repos/blastem: z80_to_x86.c annotate

annotate z80_to_x86.c @ 1542:112c7af033ff nuklear_ui

nuklear_ui has been merged to default and is now closed

author	Michael Pavone <pavone@retrodev.com>
date	Sun, 25 Mar 2018 12:03:01 -0700
parents	2e6320d261ff
children	5a6339e46917

rev	line source
467 140af5509ce7 Added copyright notice to source files and added GPL license text in COPYING Mike Pavone <pavone@retrodev.com> parents: 424 diff changeset	1 /*
140af5509ce7 Added copyright notice to source files and added GPL license text in COPYING Mike Pavone <pavone@retrodev.com> parents: 424 diff changeset	2 Copyright 2013 Michael Pavone
505 b7b7a1cab44a The local clone on my laptop got messed up and some changes had not been pushed. This commit represents the status of the working copy from that clone. It unfortunately contains some changes that I did not intend to commit yet, but this seems like the best option at the moment. Michael Pavone <pavone@retrodev.com> parents: 467 diff changeset	3 This file is part of BlastEm.
467 140af5509ce7 Added copyright notice to source files and added GPL license text in COPYING Mike Pavone <pavone@retrodev.com> parents: 424 diff changeset	4 BlastEm is free software distributed under the terms of the GNU General Public License version 3 or greater. See COPYING for full license text.
140af5509ce7 Added copyright notice to source files and added GPL license text in COPYING Mike Pavone <pavone@retrodev.com> parents: 424 diff changeset	5 */
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	6 #include "z80inst.h"
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	7 #include "z80_to_x86.h"
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	8 #include "gen_x86.h"
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	9 #include "mem.h"
792 724bbec47f86 Use a new fatal_error function instead of calling fprintf and exit for fatal errors. This new function more gracefully handles the case in which BlastEm was not started from a terminal or disconnected from ther terminal (Windows). Michael Pavone <pavone@retrodev.com> parents: 755 diff changeset	10 #include "util.h"
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	11 #include <stdio.h>
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	12 #include <stdlib.h>
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	13 #include <stddef.h>
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	14 #include <string.h>
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	15
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	16 #define MODE_UNUSED (MODE_IMMED-1)
854 adeb6465ad53 Improve timing of Z80 busack. Fixes a crash in Barkley: Shut Up and Jam. Also vastly improves the audio output of Stuck Somewhere in Time Michael Pavone <pavone@retrodev.com> parents: 844 diff changeset	17 #define MAX_MCYCLE_LENGTH 6
1130 8f14767661fa Remove memory map assumptions from Z80 core and move a little bit of logic to the generic backend.c so it can be shared between CPU cores Michael Pavone <pavone@retrodev.com> parents: 1117 diff changeset	18 #define NATIVE_CHUNK_SIZE 1024
8f14767661fa Remove memory map assumptions from Z80 core and move a little bit of logic to the generic backend.c so it can be shared between CPU cores Michael Pavone <pavone@retrodev.com> parents: 1117 diff changeset	19 #define NATIVE_MAP_CHUNKS (0x10000 / NATIVE_CHUNK_SIZE)
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	20
315 684e71e9f0d0 Fix return address for RST Mike Pavone <pavone@retrodev.com> parents: 314 diff changeset	21 //#define DO_DEBUG_PRINT
275 1a7d0a964ad2 Implement shift instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 274 diff changeset	22
268 6c2d7e003a55 Sync Z80 on writes to busreq/reset ports. NULL out extra_pc on z80 reset Mike Pavone <pavone@retrodev.com> parents: 267 diff changeset	23 #ifdef DO_DEBUG_PRINT
6c2d7e003a55 Sync Z80 on writes to busreq/reset ports. NULL out extra_pc on z80 reset Mike Pavone <pavone@retrodev.com> parents: 267 diff changeset	24 #define dprintf printf
6c2d7e003a55 Sync Z80 on writes to busreq/reset ports. NULL out extra_pc on z80 reset Mike Pavone <pavone@retrodev.com> parents: 267 diff changeset	25 #else
6c2d7e003a55 Sync Z80 on writes to busreq/reset ports. NULL out extra_pc on z80 reset Mike Pavone <pavone@retrodev.com> parents: 267 diff changeset	26 #define dprintf
6c2d7e003a55 Sync Z80 on writes to busreq/reset ports. NULL out extra_pc on z80 reset Mike Pavone <pavone@retrodev.com> parents: 267 diff changeset	27 #endif
6c2d7e003a55 Sync Z80 on writes to busreq/reset ports. NULL out extra_pc on z80 reset Mike Pavone <pavone@retrodev.com> parents: 267 diff changeset	28
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	29 uint32_t zbreakpoint_patch(z80_context * context, uint16_t address, code_ptr dst);
715 1c2020d3e275 Call z80_handle_deferred after generating an insruction handler so that instructions like rst work correctly Michael Pavone <pavone@retrodev.com> parents: 712 diff changeset	30 void z80_handle_deferred(z80_context * context);
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	31
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	32 uint8_t z80_size(z80inst * inst)
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	33 {
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	34 uint8_t reg = (inst->reg & 0x1F);
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	35 if (reg != Z80_UNUSED && reg != Z80_USE_IMMED) {
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	36 return reg < Z80_BC ? SZ_B : SZ_W;
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	37 }
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	38 //TODO: Handle any necessary special cases
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	39 return SZ_B;
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	40 }
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	41
731 0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	42 uint8_t zf_off(uint8_t flag)
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	43 {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	44 return offsetof(z80_context, flags) + flag;
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	45 }
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	46
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	47 uint8_t zaf_off(uint8_t flag)
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	48 {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	49 return offsetof(z80_context, alt_flags) + flag;
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	50 }
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	51
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	52 uint8_t zr_off(uint8_t reg)
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	53 {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	54 if (reg > Z80_A) {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	55 reg = z80_low_reg(reg);
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	56 }
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	57 return offsetof(z80_context, regs) + reg;
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	58 }
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	59
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	60 uint8_t zar_off(uint8_t reg)
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	61 {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	62 if (reg > Z80_A) {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	63 reg = z80_low_reg(reg);
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	64 }
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	65 return offsetof(z80_context, alt_regs) + reg;
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	66 }
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	67
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	68 void zreg_to_native(z80_options *opts, uint8_t reg, uint8_t native_reg)
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	69 {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	70 if (opts->regs[reg] >= 0) {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	71 mov_rr(&opts->gen.code, opts->regs[reg], native_reg, reg > Z80_A ? SZ_W : SZ_B);
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	72 } else {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	73 mov_rdispr(&opts->gen.code, opts->gen.context_reg, zr_off(reg), native_reg, reg > Z80_A ? SZ_W : SZ_B);
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	74 }
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	75 }
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	76
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	77 void native_to_zreg(z80_options *opts, uint8_t native_reg, uint8_t reg)
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	78 {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	79 if (opts->regs[reg] >= 0) {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	80 mov_rr(&opts->gen.code, native_reg, opts->regs[reg], reg > Z80_A ? SZ_W : SZ_B);
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	81 } else {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	82 mov_rrdisp(&opts->gen.code, native_reg, opts->gen.context_reg, zr_off(reg), reg > Z80_A ? SZ_W : SZ_B);
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	83 }
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	84 }
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	85
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	86 void translate_z80_reg(z80inst * inst, host_ea * ea, z80_options * opts)
250 5f1b68cecfc7 Implemented basic interrupt support in Z80 core. Mike Pavone <pavone@retrodev.com> parents: 248 diff changeset	87 {
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	88 code_info *code = &opts->gen.code;
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	89 if (inst->reg == Z80_USE_IMMED) {
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	90 ea->mode = MODE_IMMED;
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	91 ea->disp = inst->immed;
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	92 } else if ((inst->reg & 0x1F) == Z80_UNUSED) {
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	93 ea->mode = MODE_UNUSED;
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	94 } else {
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	95 ea->mode = MODE_REG_DIRECT;
731 0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	96 if (inst->reg == Z80_IYH && opts->regs[Z80_IYL] >= 0) {
312 cf7ecda060c7 Properly handle instructions that use boty IYH and IYL Mike Pavone <pavone@retrodev.com> parents: 311 diff changeset	97 if ((inst->addr_mode & 0x1F) == Z80_REG && inst->ea_reg == Z80_IYL) {
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	98 mov_rr(code, opts->regs[Z80_IY], opts->gen.scratch1, SZ_W);
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	99 ror_ir(code, 8, opts->gen.scratch1, SZ_W);
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	100 ea->base = opts->gen.scratch1;
312 cf7ecda060c7 Properly handle instructions that use boty IYH and IYL Mike Pavone <pavone@retrodev.com> parents: 311 diff changeset	101 } else {
cf7ecda060c7 Properly handle instructions that use boty IYH and IYL Mike Pavone <pavone@retrodev.com> parents: 311 diff changeset	102 ea->base = opts->regs[Z80_IYL];
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	103 ror_ir(code, 8, opts->regs[Z80_IY], SZ_W);
312 cf7ecda060c7 Properly handle instructions that use boty IYH and IYL Mike Pavone <pavone@retrodev.com> parents: 311 diff changeset	104 }
262 d97c9eca49f4 Implement ld to and from the I and R registers Mike Pavone <pavone@retrodev.com> parents: 261 diff changeset	105 } else if(opts->regs[inst->reg] >= 0) {
d97c9eca49f4 Implement ld to and from the I and R registers Mike Pavone <pavone@retrodev.com> parents: 261 diff changeset	106 ea->base = opts->regs[inst->reg];
268 6c2d7e003a55 Sync Z80 on writes to busreq/reset ports. NULL out extra_pc on z80 reset Mike Pavone <pavone@retrodev.com> parents: 267 diff changeset	107 if (ea->base >= AH && ea->base <= BH) {
6c2d7e003a55 Sync Z80 on writes to busreq/reset ports. NULL out extra_pc on z80 reset Mike Pavone <pavone@retrodev.com> parents: 267 diff changeset	108 if ((inst->addr_mode & 0x1F) == Z80_REG) {
6c2d7e003a55 Sync Z80 on writes to busreq/reset ports. NULL out extra_pc on z80 reset Mike Pavone <pavone@retrodev.com> parents: 267 diff changeset	109 uint8_t other_reg = opts->regs[inst->ea_reg];
269 3c054d977175 Fix IX/IY displace modes. Fix check for registers requiring REX. Mike Pavone <pavone@retrodev.com> parents: 268 diff changeset	110 if (other_reg >= R8 \|\| (other_reg >= RSP && other_reg <= RDI)) {
268 6c2d7e003a55 Sync Z80 on writes to busreq/reset ports. NULL out extra_pc on z80 reset Mike Pavone <pavone@retrodev.com> parents: 267 diff changeset	111 //we can't mix an *H reg with a register that requires the REX prefix
6c2d7e003a55 Sync Z80 on writes to busreq/reset ports. NULL out extra_pc on z80 reset Mike Pavone <pavone@retrodev.com> parents: 267 diff changeset	112 ea->base = opts->regs[z80_low_reg(inst->reg)];
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	113 ror_ir(code, 8, ea->base, SZ_W);
268 6c2d7e003a55 Sync Z80 on writes to busreq/reset ports. NULL out extra_pc on z80 reset Mike Pavone <pavone@retrodev.com> parents: 267 diff changeset	114 }
6c2d7e003a55 Sync Z80 on writes to busreq/reset ports. NULL out extra_pc on z80 reset Mike Pavone <pavone@retrodev.com> parents: 267 diff changeset	115 } else if((inst->addr_mode & 0x1F) != Z80_UNUSED && (inst->addr_mode & 0x1F) != Z80_IMMED) {
6c2d7e003a55 Sync Z80 on writes to busreq/reset ports. NULL out extra_pc on z80 reset Mike Pavone <pavone@retrodev.com> parents: 267 diff changeset	116 //temp regs require REX prefix too
267 1788e3f29c28 Don't mix H regs with the REX prefix Mike Pavone <pavone@retrodev.com>* parents: 266 diff changeset	117 ea->base = opts->regs[z80_low_reg(inst->reg)];
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	118 ror_ir(code, 8, ea->base, SZ_W);
267 1788e3f29c28 Don't mix H regs with the REX prefix Mike Pavone <pavone@retrodev.com>* parents: 266 diff changeset	119 }
1788e3f29c28 Don't mix H regs with the REX prefix Mike Pavone <pavone@retrodev.com>* parents: 266 diff changeset	120 }
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	121 } else {
262 d97c9eca49f4 Implement ld to and from the I and R registers Mike Pavone <pavone@retrodev.com> parents: 261 diff changeset	122 ea->mode = MODE_REG_DISPLACE8;
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	123 ea->base = opts->gen.context_reg;
731 0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	124 ea->disp = zr_off(inst->reg);
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	125 }
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	126 }
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	127 }
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	128
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	129 void z80_save_reg(z80inst * inst, z80_options * opts)
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	130 {
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	131 code_info *code = &opts->gen.code;
716 b707a8ddc202 Make sure z80_save_reg does nothing when there is no register in the reg field of the instruction. This fixes a bug that corrupted SP in the MDEM 2011 demo Michael Pavone <pavone@retrodev.com> parents: 715 diff changeset	132 if (inst->reg == Z80_USE_IMMED \|\| inst->reg == Z80_UNUSED) {
b707a8ddc202 Make sure z80_save_reg does nothing when there is no register in the reg field of the instruction. This fixes a bug that corrupted SP in the MDEM 2011 demo Michael Pavone <pavone@retrodev.com> parents: 715 diff changeset	133 return;
b707a8ddc202 Make sure z80_save_reg does nothing when there is no register in the reg field of the instruction. This fixes a bug that corrupted SP in the MDEM 2011 demo Michael Pavone <pavone@retrodev.com> parents: 715 diff changeset	134 }
731 0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	135 if (inst->reg == Z80_IYH && opts->regs[Z80_IYL] >= 0) {
312 cf7ecda060c7 Properly handle instructions that use boty IYH and IYL Mike Pavone <pavone@retrodev.com> parents: 311 diff changeset	136 if ((inst->addr_mode & 0x1F) == Z80_REG && inst->ea_reg == Z80_IYL) {
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	137 ror_ir(code, 8, opts->regs[Z80_IY], SZ_W);
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	138 mov_rr(code, opts->gen.scratch1, opts->regs[Z80_IYL], SZ_B);
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	139 ror_ir(code, 8, opts->regs[Z80_IY], SZ_W);
312 cf7ecda060c7 Properly handle instructions that use boty IYH and IYL Mike Pavone <pavone@retrodev.com> parents: 311 diff changeset	140 } else {
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	141 ror_ir(code, 8, opts->regs[Z80_IY], SZ_W);
312 cf7ecda060c7 Properly handle instructions that use boty IYH and IYL Mike Pavone <pavone@retrodev.com> parents: 311 diff changeset	142 }
268 6c2d7e003a55 Sync Z80 on writes to busreq/reset ports. NULL out extra_pc on z80 reset Mike Pavone <pavone@retrodev.com> parents: 267 diff changeset	143 } else if (opts->regs[inst->reg] >= AH && opts->regs[inst->reg] <= BH) {
6c2d7e003a55 Sync Z80 on writes to busreq/reset ports. NULL out extra_pc on z80 reset Mike Pavone <pavone@retrodev.com> parents: 267 diff changeset	144 if ((inst->addr_mode & 0x1F) == Z80_REG) {
6c2d7e003a55 Sync Z80 on writes to busreq/reset ports. NULL out extra_pc on z80 reset Mike Pavone <pavone@retrodev.com> parents: 267 diff changeset	145 uint8_t other_reg = opts->regs[inst->ea_reg];
269 3c054d977175 Fix IX/IY displace modes. Fix check for registers requiring REX. Mike Pavone <pavone@retrodev.com> parents: 268 diff changeset	146 if (other_reg >= R8 \|\| (other_reg >= RSP && other_reg <= RDI)) {
268 6c2d7e003a55 Sync Z80 on writes to busreq/reset ports. NULL out extra_pc on z80 reset Mike Pavone <pavone@retrodev.com> parents: 267 diff changeset	147 //we can't mix an *H reg with a register that requires the REX prefix
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	148 ror_ir(code, 8, opts->regs[z80_low_reg(inst->reg)], SZ_W);
268 6c2d7e003a55 Sync Z80 on writes to busreq/reset ports. NULL out extra_pc on z80 reset Mike Pavone <pavone@retrodev.com> parents: 267 diff changeset	149 }
6c2d7e003a55 Sync Z80 on writes to busreq/reset ports. NULL out extra_pc on z80 reset Mike Pavone <pavone@retrodev.com> parents: 267 diff changeset	150 } else if((inst->addr_mode & 0x1F) != Z80_UNUSED && (inst->addr_mode & 0x1F) != Z80_IMMED) {
6c2d7e003a55 Sync Z80 on writes to busreq/reset ports. NULL out extra_pc on z80 reset Mike Pavone <pavone@retrodev.com> parents: 267 diff changeset	151 //temp regs require REX prefix too
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	152 ror_ir(code, 8, opts->regs[z80_low_reg(inst->reg)], SZ_W);
267 1788e3f29c28 Don't mix H regs with the REX prefix Mike Pavone <pavone@retrodev.com>* parents: 266 diff changeset	153 }
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	154 }
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	155 }
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	156
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	157 void translate_z80_ea(z80inst * inst, host_ea * ea, z80_options * opts, uint8_t read, uint8_t modify)
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	158 {
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	159 code_info *code = &opts->gen.code;
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	160 uint8_t size, areg;
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	161 int8_t reg;
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	162 ea->mode = MODE_REG_DIRECT;
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	163 areg = read ? opts->gen.scratch1 : opts->gen.scratch2;
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	164 switch(inst->addr_mode & 0x1F)
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	165 {
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	166 case Z80_REG:
731 0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	167 if (inst->ea_reg == Z80_IYH && opts->regs[Z80_IYL] >= 0) {
312 cf7ecda060c7 Properly handle instructions that use boty IYH and IYL Mike Pavone <pavone@retrodev.com> parents: 311 diff changeset	168 if (inst->reg == Z80_IYL) {
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	169 mov_rr(code, opts->regs[Z80_IY], opts->gen.scratch1, SZ_W);
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	170 ror_ir(code, 8, opts->gen.scratch1, SZ_W);
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	171 ea->base = opts->gen.scratch1;
312 cf7ecda060c7 Properly handle instructions that use boty IYH and IYL Mike Pavone <pavone@retrodev.com> parents: 311 diff changeset	172 } else {
cf7ecda060c7 Properly handle instructions that use boty IYH and IYL Mike Pavone <pavone@retrodev.com> parents: 311 diff changeset	173 ea->base = opts->regs[Z80_IYL];
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	174 ror_ir(code, 8, opts->regs[Z80_IY], SZ_W);
312 cf7ecda060c7 Properly handle instructions that use boty IYH and IYL Mike Pavone <pavone@retrodev.com> parents: 311 diff changeset	175 }
651 103d5cabbe14 Fix flags for rra, rrca, rla and rlca. Fix timing for rr, rrc, rl and rlc when using IX or IY. Fix access to I and R registers (R still needs to be made 7-bit though). Fix flags for ld a, i. The fix for access to I fixes PCM playback in Titan Overdrive and music playback in Crackdown. Michael Pavone <pavone@retrodev.com> parents: 644 diff changeset	176 } else if(opts->regs[inst->ea_reg] >= 0) {
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	177 ea->base = opts->regs[inst->ea_reg];
267 1788e3f29c28 Don't mix H regs with the REX prefix Mike Pavone <pavone@retrodev.com>* parents: 266 diff changeset	178 if (ea->base >= AH && ea->base <= BH && inst->reg != Z80_UNUSED && inst->reg != Z80_USE_IMMED) {
1788e3f29c28 Don't mix H regs with the REX prefix Mike Pavone <pavone@retrodev.com>* parents: 266 diff changeset	179 uint8_t other_reg = opts->regs[inst->reg];
666 b68039895627 In theory, the Z80 core should work on 32-bit builds now; however, I suspect there is some code that cannot deal with most of the Z80 registers not having a native register so more work will be needed Michael Pavone <pavone@retrodev.com> parents: 665 diff changeset	180 #ifdef X86_64
269 3c054d977175 Fix IX/IY displace modes. Fix check for registers requiring REX. Mike Pavone <pavone@retrodev.com> parents: 268 diff changeset	181 if (other_reg >= R8 \|\| (other_reg >= RSP && other_reg <= RDI)) {
267 1788e3f29c28 Don't mix H regs with the REX prefix Mike Pavone <pavone@retrodev.com>* parents: 266 diff changeset	182 //we can't mix an *H reg with a register that requires the REX prefix
1788e3f29c28 Don't mix H regs with the REX prefix Mike Pavone <pavone@retrodev.com>* parents: 266 diff changeset	183 ea->base = opts->regs[z80_low_reg(inst->ea_reg)];
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	184 ror_ir(code, 8, ea->base, SZ_W);
267 1788e3f29c28 Don't mix H regs with the REX prefix Mike Pavone <pavone@retrodev.com>* parents: 266 diff changeset	185 }
666 b68039895627 In theory, the Z80 core should work on 32-bit builds now; however, I suspect there is some code that cannot deal with most of the Z80 registers not having a native register so more work will be needed Michael Pavone <pavone@retrodev.com> parents: 665 diff changeset	186 #endif
267 1788e3f29c28 Don't mix H regs with the REX prefix Mike Pavone <pavone@retrodev.com>* parents: 266 diff changeset	187 }
651 103d5cabbe14 Fix flags for rra, rrca, rla and rlca. Fix timing for rr, rrc, rl and rlc when using IX or IY. Fix access to I and R registers (R still needs to be made 7-bit though). Fix flags for ld a, i. The fix for access to I fixes PCM playback in Titan Overdrive and music playback in Crackdown. Michael Pavone <pavone@retrodev.com> parents: 644 diff changeset	188 } else {
103d5cabbe14 Fix flags for rra, rrca, rla and rlca. Fix timing for rr, rrc, rl and rlc when using IX or IY. Fix access to I and R registers (R still needs to be made 7-bit though). Fix flags for ld a, i. The fix for access to I fixes PCM playback in Titan Overdrive and music playback in Crackdown. Michael Pavone <pavone@retrodev.com> parents: 644 diff changeset	189 ea->mode = MODE_REG_DISPLACE8;
659 759c38bf97f8 Minor Z80 core cleanup Michael Pavone <pavone@retrodev.com> parents: 657 diff changeset	190 ea->base = opts->gen.context_reg;
731 0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	191 ea->disp = zr_off(inst->ea_reg);
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	192 }
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	193 break;
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	194 case Z80_REG_INDIRECT:
731 0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	195 zreg_to_native(opts, inst->ea_reg, areg);
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	196 size = z80_size(inst);
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	197 if (read) {
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	198 if (modify) {
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	199 //push_r(code, opts->gen.scratch1);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	200 mov_rrdisp(code, opts->gen.scratch1, opts->gen.context_reg, offsetof(z80_context, scratch1), SZ_W);
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	201 }
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	202 if (size == SZ_B) {
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	203 call(code, opts->read_8);
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	204 } else {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	205 call(code, opts->read_16);
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	206 }
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	207 }
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	208 ea->base = opts->gen.scratch1;
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	209 break;
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	210 case Z80_IMMED:
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	211 ea->mode = MODE_IMMED;
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	212 ea->disp = inst->immed;
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	213 break;
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	214 case Z80_IMMED_INDIRECT:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	215 mov_ir(code, inst->immed, areg, SZ_W);
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	216 size = z80_size(inst);
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	217 if (read) {
277 765e132edd71 Using push/pop inside translated code is not compatible with the current way the Z80 core returns to the caller Mike Pavone <pavone@retrodev.com> parents: 275 diff changeset	218 /*if (modify) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	219 push_r(code, opts->gen.scratch1);
277 765e132edd71 Using push/pop inside translated code is not compatible with the current way the Z80 core returns to the caller Mike Pavone <pavone@retrodev.com> parents: 275 diff changeset	220 }*/
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	221 if (size == SZ_B) {
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	222 call(code, opts->read_8);
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	223 } else {
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	224 call(code, opts->read_16);
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	225 }
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	226 }
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	227 ea->base = opts->gen.scratch1;
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	228 break;
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	229 case Z80_IX_DISPLACE:
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	230 case Z80_IY_DISPLACE:
731 0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	231 zreg_to_native(opts, (inst->addr_mode & 0x1F) == Z80_IX_DISPLACE ? Z80_IX : Z80_IY, areg);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	232 add_ir(code, inst->ea_reg & 0x80 ? inst->ea_reg - 256 : inst->ea_reg, areg, SZ_W);
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	233 size = z80_size(inst);
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	234 if (read) {
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	235 if (modify) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	236 //push_r(code, opts->gen.scratch1);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	237 mov_rrdisp(code, opts->gen.scratch1, opts->gen.context_reg, offsetof(z80_context, scratch1), SZ_W);
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	238 }
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	239 if (size == SZ_B) {
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	240 call(code, opts->read_8);
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	241 } else {
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	242 call(code, opts->read_16);
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	243 }
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	244 }
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	245 ea->base = opts->gen.scratch1;
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	246 break;
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	247 case Z80_UNUSED:
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	248 ea->mode = MODE_UNUSED;
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	249 break;
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	250 default:
792 724bbec47f86 Use a new fatal_error function instead of calling fprintf and exit for fatal errors. This new function more gracefully handles the case in which BlastEm was not started from a terminal or disconnected from ther terminal (Windows). Michael Pavone <pavone@retrodev.com> parents: 755 diff changeset	251 fatal_error("Unrecognized Z80 addressing mode %d\n", inst->addr_mode & 0x1F);
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	252 }
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	253 }
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	254
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	255 void z80_save_ea(code_info code, z80inst inst, z80_options * opts)
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	256 {
267 1788e3f29c28 Don't mix H regs with the REX prefix Mike Pavone <pavone@retrodev.com>* parents: 266 diff changeset	257 if ((inst->addr_mode & 0x1F) == Z80_REG) {
731 0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	258 if (inst->ea_reg == Z80_IYH && opts->regs[Z80_IYL] >= 0) {
312 cf7ecda060c7 Properly handle instructions that use boty IYH and IYL Mike Pavone <pavone@retrodev.com> parents: 311 diff changeset	259 if (inst->reg == Z80_IYL) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	260 ror_ir(code, 8, opts->regs[Z80_IY], SZ_W);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	261 mov_rr(code, opts->gen.scratch1, opts->regs[Z80_IYL], SZ_B);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	262 ror_ir(code, 8, opts->regs[Z80_IY], SZ_W);
312 cf7ecda060c7 Properly handle instructions that use boty IYH and IYL Mike Pavone <pavone@retrodev.com> parents: 311 diff changeset	263 } else {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	264 ror_ir(code, 8, opts->regs[Z80_IY], SZ_W);
312 cf7ecda060c7 Properly handle instructions that use boty IYH and IYL Mike Pavone <pavone@retrodev.com> parents: 311 diff changeset	265 }
267 1788e3f29c28 Don't mix H regs with the REX prefix Mike Pavone <pavone@retrodev.com>* parents: 266 diff changeset	266 } else if (inst->reg != Z80_UNUSED && inst->reg != Z80_USE_IMMED && opts->regs[inst->ea_reg] >= AH && opts->regs[inst->ea_reg] <= BH) {
1788e3f29c28 Don't mix H regs with the REX prefix Mike Pavone <pavone@retrodev.com>* parents: 266 diff changeset	267 uint8_t other_reg = opts->regs[inst->reg];
666 b68039895627 In theory, the Z80 core should work on 32-bit builds now; however, I suspect there is some code that cannot deal with most of the Z80 registers not having a native register so more work will be needed Michael Pavone <pavone@retrodev.com> parents: 665 diff changeset	268 #ifdef X86_64
269 3c054d977175 Fix IX/IY displace modes. Fix check for registers requiring REX. Mike Pavone <pavone@retrodev.com> parents: 268 diff changeset	269 if (other_reg >= R8 \|\| (other_reg >= RSP && other_reg <= RDI)) {
267 1788e3f29c28 Don't mix H regs with the REX prefix Mike Pavone <pavone@retrodev.com>* parents: 266 diff changeset	270 //we can't mix an *H reg with a register that requires the REX prefix
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	271 ror_ir(code, 8, opts->regs[z80_low_reg(inst->ea_reg)], SZ_W);
267 1788e3f29c28 Don't mix H regs with the REX prefix Mike Pavone <pavone@retrodev.com>* parents: 266 diff changeset	272 }
666 b68039895627 In theory, the Z80 core should work on 32-bit builds now; however, I suspect there is some code that cannot deal with most of the Z80 registers not having a native register so more work will be needed Michael Pavone <pavone@retrodev.com> parents: 665 diff changeset	273 #endif
267 1788e3f29c28 Don't mix H regs with the REX prefix Mike Pavone <pavone@retrodev.com>* parents: 266 diff changeset	274 }
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	275 }
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	276 }
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	277
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	278 void z80_save_result(z80_options opts, z80inst inst)
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	279 {
253 3b34deba4ca0 Squashing some bugs introduced when I switched the register assignments for z80_write_byte around. Mike Pavone <pavone@retrodev.com> parents: 252 diff changeset	280 switch(inst->addr_mode & 0x1f)
3b34deba4ca0 Squashing some bugs introduced when I switched the register assignments for z80_write_byte around. Mike Pavone <pavone@retrodev.com> parents: 252 diff changeset	281 {
3b34deba4ca0 Squashing some bugs introduced when I switched the register assignments for z80_write_byte around. Mike Pavone <pavone@retrodev.com> parents: 252 diff changeset	282 case Z80_REG_INDIRECT:
3b34deba4ca0 Squashing some bugs introduced when I switched the register assignments for z80_write_byte around. Mike Pavone <pavone@retrodev.com> parents: 252 diff changeset	283 case Z80_IMMED_INDIRECT:
3b34deba4ca0 Squashing some bugs introduced when I switched the register assignments for z80_write_byte around. Mike Pavone <pavone@retrodev.com> parents: 252 diff changeset	284 case Z80_IX_DISPLACE:
3b34deba4ca0 Squashing some bugs introduced when I switched the register assignments for z80_write_byte around. Mike Pavone <pavone@retrodev.com> parents: 252 diff changeset	285 case Z80_IY_DISPLACE:
1045 e0489abfdab0 Implement half-carry for INC, DEC and NEG Michael Pavone <pavone@retrodev.com> parents: 1044 diff changeset	286 if (inst->op != Z80_LD) {
e0489abfdab0 Implement half-carry for INC, DEC and NEG Michael Pavone <pavone@retrodev.com> parents: 1044 diff changeset	287 mov_rdispr(&opts->gen.code, opts->gen.context_reg, offsetof(z80_context, scratch1), opts->gen.scratch2, SZ_W);
e0489abfdab0 Implement half-carry for INC, DEC and NEG Michael Pavone <pavone@retrodev.com> parents: 1044 diff changeset	288 }
253 3b34deba4ca0 Squashing some bugs introduced when I switched the register assignments for z80_write_byte around. Mike Pavone <pavone@retrodev.com> parents: 252 diff changeset	289 if (z80_size(inst) == SZ_B) {
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	290 call(&opts->gen.code, opts->write_8);
253 3b34deba4ca0 Squashing some bugs introduced when I switched the register assignments for z80_write_byte around. Mike Pavone <pavone@retrodev.com> parents: 252 diff changeset	291 } else {
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	292 call(&opts->gen.code, opts->write_16_lowfirst);
253 3b34deba4ca0 Squashing some bugs introduced when I switched the register assignments for z80_write_byte around. Mike Pavone <pavone@retrodev.com> parents: 252 diff changeset	293 }
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	294 }
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	295 }
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	296
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	297 enum {
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	298 DONT_READ=0,
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	299 READ
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	300 };
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	301
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	302 enum {
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	303 DONT_MODIFY=0,
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	304 MODIFY
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	305 };
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	306
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	307 void z80_print_regs_exit(z80_context * context)
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	308 {
505 b7b7a1cab44a The local clone on my laptop got messed up and some changes had not been pushed. This commit represents the status of the working copy from that clone. It unfortunately contains some changes that I did not intend to commit yet, but this seems like the best option at the moment. Michael Pavone <pavone@retrodev.com> parents: 467 diff changeset	309 printf("A: %X\nB: %X\nC: %X\nD: %X\nE: %X\nHL: %X\nIX: %X\nIY: %X\nSP: %X\n\nIM: %d, IFF1: %d, IFF2: %d\n",
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	310 context->regs[Z80_A], context->regs[Z80_B], context->regs[Z80_C],
505 b7b7a1cab44a The local clone on my laptop got messed up and some changes had not been pushed. This commit represents the status of the working copy from that clone. It unfortunately contains some changes that I did not intend to commit yet, but this seems like the best option at the moment. Michael Pavone <pavone@retrodev.com> parents: 467 diff changeset	311 context->regs[Z80_D], context->regs[Z80_E],
b7b7a1cab44a The local clone on my laptop got messed up and some changes had not been pushed. This commit represents the status of the working copy from that clone. It unfortunately contains some changes that I did not intend to commit yet, but this seems like the best option at the moment. Michael Pavone <pavone@retrodev.com> parents: 467 diff changeset	312 (context->regs[Z80_H] << 8) \| context->regs[Z80_L],
b7b7a1cab44a The local clone on my laptop got messed up and some changes had not been pushed. This commit represents the status of the working copy from that clone. It unfortunately contains some changes that I did not intend to commit yet, but this seems like the best option at the moment. Michael Pavone <pavone@retrodev.com> parents: 467 diff changeset	313 (context->regs[Z80_IXH] << 8) \| context->regs[Z80_IXL],
b7b7a1cab44a The local clone on my laptop got messed up and some changes had not been pushed. This commit represents the status of the working copy from that clone. It unfortunately contains some changes that I did not intend to commit yet, but this seems like the best option at the moment. Michael Pavone <pavone@retrodev.com> parents: 467 diff changeset	314 (context->regs[Z80_IYH] << 8) \| context->regs[Z80_IYL],
243 2f069a0b487e Implement EI, DI and IM in the Z80 core Mike Pavone <pavone@retrodev.com> parents: 242 diff changeset	315 context->sp, context->im, context->iff1, context->iff2);
241 2586d49ddd46 Implement EX, EXX and RST in Z80 core Mike Pavone <pavone@retrodev.com> parents: 239 diff changeset	316 puts("--Alternate Regs--");
505 b7b7a1cab44a The local clone on my laptop got messed up and some changes had not been pushed. This commit represents the status of the working copy from that clone. It unfortunately contains some changes that I did not intend to commit yet, but this seems like the best option at the moment. Michael Pavone <pavone@retrodev.com> parents: 467 diff changeset	317 printf("A: %X\nB: %X\nC: %X\nD: %X\nE: %X\nHL: %X\nIX: %X\nIY: %X\n",
241 2586d49ddd46 Implement EX, EXX and RST in Z80 core Mike Pavone <pavone@retrodev.com> parents: 239 diff changeset	318 context->alt_regs[Z80_A], context->alt_regs[Z80_B], context->alt_regs[Z80_C],
505 b7b7a1cab44a The local clone on my laptop got messed up and some changes had not been pushed. This commit represents the status of the working copy from that clone. It unfortunately contains some changes that I did not intend to commit yet, but this seems like the best option at the moment. Michael Pavone <pavone@retrodev.com> parents: 467 diff changeset	319 context->alt_regs[Z80_D], context->alt_regs[Z80_E],
b7b7a1cab44a The local clone on my laptop got messed up and some changes had not been pushed. This commit represents the status of the working copy from that clone. It unfortunately contains some changes that I did not intend to commit yet, but this seems like the best option at the moment. Michael Pavone <pavone@retrodev.com> parents: 467 diff changeset	320 (context->alt_regs[Z80_H] << 8) \| context->alt_regs[Z80_L],
b7b7a1cab44a The local clone on my laptop got messed up and some changes had not been pushed. This commit represents the status of the working copy from that clone. It unfortunately contains some changes that I did not intend to commit yet, but this seems like the best option at the moment. Michael Pavone <pavone@retrodev.com> parents: 467 diff changeset	321 (context->alt_regs[Z80_IXH] << 8) \| context->alt_regs[Z80_IXL],
241 2586d49ddd46 Implement EX, EXX and RST in Z80 core Mike Pavone <pavone@retrodev.com> parents: 239 diff changeset	322 (context->alt_regs[Z80_IYH] << 8) \| context->alt_regs[Z80_IYL]);
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	323 exit(0);
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	324 }
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	325
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	326 void translate_z80inst(z80inst * inst, z80_context * context, uint16_t address, uint8_t interp)
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	327 {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	328 uint32_t num_cycles;
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	329 host_ea src_op, dst_op;
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	330 uint8_t size;
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	331 z80_options *opts = context->options;
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	332 uint8_t * start = opts->gen.code.cur;
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	333 code_info *code = &opts->gen.code;
627 c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses Michael Pavone <pavone@retrodev.com> parents: 626 diff changeset	334 if (!interp) {
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	335 check_cycles_int(&opts->gen, address);
819 ab017fb09e77 Added support for an IO memory map in Z80 core Michael Pavone <pavone@retrodev.com> parents: 792 diff changeset	336 if (context->breakpoint_flags[address / 8] & (1 << (address % 8))) {
627 c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses Michael Pavone <pavone@retrodev.com> parents: 626 diff changeset	337 zbreakpoint_patch(context, address, start);
c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses Michael Pavone <pavone@retrodev.com> parents: 626 diff changeset	338 }
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	339 num_cycles = 4 * inst->opcode_bytes;
1047 6b07af1515b5 Change cycle tracking code for Z80 core to only use a single register. Store low 7 bits of R in a reg and increment it appropriately. Michael Pavone <pavone@retrodev.com> parents: 1046 diff changeset	340 add_ir(code, inst->opcode_bytes > 1 ? 2 : 1, opts->regs[Z80_R], SZ_B);
735 539d12fa6a4d Add a define in both the source and Makefile for enabling logging of z80 instruction address/cycle counts. Fix Z80 in/out instructions to eliminate assumptions about which registers are stored in native regs. Fix read_16 to not corrupt the low byte when the read has to call into a C function. Michael Pavone <pavone@retrodev.com> parents: 734 diff changeset	341 #ifdef Z80_LOG_ADDRESS
539d12fa6a4d Add a define in both the source and Makefile for enabling logging of z80 instruction address/cycle counts. Fix Z80 in/out instructions to eliminate assumptions about which registers are stored in native regs. Fix read_16 to not corrupt the low byte when the read has to call into a C function. Michael Pavone <pavone@retrodev.com> parents: 734 diff changeset	342 log_address(&opts->gen, address, "Z80: %X @ %d\n");
539d12fa6a4d Add a define in both the source and Makefile for enabling logging of z80 instruction address/cycle counts. Fix Z80 in/out instructions to eliminate assumptions about which registers are stored in native regs. Fix read_16 to not corrupt the low byte when the read has to call into a C function. Michael Pavone <pavone@retrodev.com> parents: 734 diff changeset	343 #endif
626 7c46891a29b1 Properly handle Z80 breakpoints on self-modifying code and setting Z80 breakpoints before the Z80 program has been loaded Michael Pavone <pavone@retrodev.com> parents: 625 diff changeset	344 }
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	345 switch(inst->op)
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	346 {
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	347 case Z80_LD:
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	348 size = z80_size(inst);
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	349 switch (inst->addr_mode & 0x1F)
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	350 {
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	351 case Z80_REG:
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	352 case Z80_REG_INDIRECT:
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	353 if (size != SZ_B) {
1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	354 num_cycles += 2;
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	355 }
841 58606d16d35c Fix timing of certain variants of LD Michael Pavone <pavone@retrodev.com> parents: 840 diff changeset	356 if (inst->reg == Z80_I \|\| inst->ea_reg == Z80_I \|\| inst->reg == Z80_R \|\| inst->ea_reg == Z80_R) {
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	357 num_cycles += 1;
506 a3b48a57e847 Fix timing of certain ld and jp instructions in the Z80 core Michael Pavone <pavone@retrodev.com> parents: 505 diff changeset	358 }
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	359 break;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	360 case Z80_IMMED:
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	361 num_cycles += size == SZ_B ? 3 : 6;
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	362 break;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	363 case Z80_IMMED_INDIRECT:
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	364 num_cycles += 6;
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	365 break;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	366 case Z80_IX_DISPLACE:
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	367 case Z80_IY_DISPLACE:
1110 d1eed3b1121c Fix a couple of timing regressions in Z80 core Michael Pavone <pavone@retrodev.com> parents: 1062 diff changeset	368 num_cycles += 8; //3 for displacement, 5 for address addition
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	369 break;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	370 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	371 cycles(&opts->gen, num_cycles);
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	372 if (inst->addr_mode & Z80_DIR) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	373 translate_z80_ea(inst, &dst_op, opts, DONT_READ, MODIFY);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	374 translate_z80_reg(inst, &src_op, opts);
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	375 } else {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	376 translate_z80_ea(inst, &src_op, opts, READ, DONT_MODIFY);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	377 translate_z80_reg(inst, &dst_op, opts);
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	378 }
1047 6b07af1515b5 Change cycle tracking code for Z80 core to only use a single register. Store low 7 bits of R in a reg and increment it appropriately. Michael Pavone <pavone@retrodev.com> parents: 1046 diff changeset	379 if (inst->reg == Z80_R) {
6b07af1515b5 Change cycle tracking code for Z80 core to only use a single register. Store low 7 bits of R in a reg and increment it appropriately. Michael Pavone <pavone@retrodev.com> parents: 1046 diff changeset	380 mov_rr(code, opts->regs[Z80_A], opts->gen.scratch1, SZ_B);
6b07af1515b5 Change cycle tracking code for Z80 core to only use a single register. Store low 7 bits of R in a reg and increment it appropriately. Michael Pavone <pavone@retrodev.com> parents: 1046 diff changeset	381 mov_rr(code, opts->regs[Z80_A], opts->regs[Z80_R], SZ_B);
6b07af1515b5 Change cycle tracking code for Z80 core to only use a single register. Store low 7 bits of R in a reg and increment it appropriately. Michael Pavone <pavone@retrodev.com> parents: 1046 diff changeset	382 and_ir(code, 0x80, opts->gen.scratch1, SZ_B);
6b07af1515b5 Change cycle tracking code for Z80 core to only use a single register. Store low 7 bits of R in a reg and increment it appropriately. Michael Pavone <pavone@retrodev.com> parents: 1046 diff changeset	383 mov_rrdisp(code, opts->gen.scratch1, opts->gen.context_reg, zr_off(Z80_R), SZ_B);
6b07af1515b5 Change cycle tracking code for Z80 core to only use a single register. Store low 7 bits of R in a reg and increment it appropriately. Michael Pavone <pavone@retrodev.com> parents: 1046 diff changeset	384 } else if (inst->ea_reg == Z80_R && inst->addr_mode == Z80_REG) {
6b07af1515b5 Change cycle tracking code for Z80 core to only use a single register. Store low 7 bits of R in a reg and increment it appropriately. Michael Pavone <pavone@retrodev.com> parents: 1046 diff changeset	385 mov_rr(code, opts->regs[Z80_R], opts->regs[Z80_A], SZ_B);
6b07af1515b5 Change cycle tracking code for Z80 core to only use a single register. Store low 7 bits of R in a reg and increment it appropriately. Michael Pavone <pavone@retrodev.com> parents: 1046 diff changeset	386 and_ir(code, 0x7F, opts->regs[Z80_A], SZ_B);
6b07af1515b5 Change cycle tracking code for Z80 core to only use a single register. Store low 7 bits of R in a reg and increment it appropriately. Michael Pavone <pavone@retrodev.com> parents: 1046 diff changeset	387 or_rdispr(code, opts->gen.context_reg, zr_off(Z80_R), opts->regs[Z80_A], SZ_B);
6b07af1515b5 Change cycle tracking code for Z80 core to only use a single register. Store low 7 bits of R in a reg and increment it appropriately. Michael Pavone <pavone@retrodev.com> parents: 1046 diff changeset	388 } else if (src_op.mode == MODE_REG_DIRECT) {
262 d97c9eca49f4 Implement ld to and from the I and R registers Mike Pavone <pavone@retrodev.com> parents: 261 diff changeset	389 if(dst_op.mode == MODE_REG_DISPLACE8) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	390 mov_rrdisp(code, src_op.base, dst_op.base, dst_op.disp, size);
262 d97c9eca49f4 Implement ld to and from the I and R registers Mike Pavone <pavone@retrodev.com> parents: 261 diff changeset	391 } else {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	392 mov_rr(code, src_op.base, dst_op.base, size);
262 d97c9eca49f4 Implement ld to and from the I and R registers Mike Pavone <pavone@retrodev.com> parents: 261 diff changeset	393 }
d97c9eca49f4 Implement ld to and from the I and R registers Mike Pavone <pavone@retrodev.com> parents: 261 diff changeset	394 } else if(src_op.mode == MODE_IMMED) {
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	395 if(dst_op.mode == MODE_REG_DISPLACE8) {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	396 mov_irdisp(code, src_op.disp, dst_op.base, dst_op.disp, size);
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	397 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	398 mov_ir(code, src_op.disp, dst_op.base, size);
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	399 }
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	400 } else {
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	401 if(dst_op.mode == MODE_REG_DISPLACE8) {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	402 mov_rdispr(code, src_op.base, src_op.disp, opts->gen.scratch1, size);
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	403 mov_rrdisp(code, opts->gen.scratch1, dst_op.base, dst_op.disp, size);
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	404 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	405 mov_rdispr(code, src_op.base, src_op.disp, dst_op.base, size);
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	406 }
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	407 }
842 ba93a3941300 Set flags for ld a, r Michael Pavone <pavone@retrodev.com> parents: 841 diff changeset	408 if ((inst->ea_reg == Z80_I \|\| inst->ea_reg == Z80_R) && inst->addr_mode == Z80_REG) {
ba93a3941300 Set flags for ld a, r Michael Pavone <pavone@retrodev.com> parents: 841 diff changeset	409 //ld a, i and ld a, r sets some flags
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	410 cmp_ir(code, 0, dst_op.base, SZ_B);
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	411 setcc_rdisp(code, CC_Z, opts->gen.context_reg, zf_off(ZF_Z));
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	412 setcc_rdisp(code, CC_S, opts->gen.context_reg, zf_off(ZF_S));
821 21a69dfb6ee7 Implement half carry for a couple of the trivial cases Michael Pavone <pavone@retrodev.com> parents: 819 diff changeset	413 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_H), SZ_B);;
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	414 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_N), SZ_B);;
659 759c38bf97f8 Minor Z80 core cleanup Michael Pavone <pavone@retrodev.com> parents: 657 diff changeset	415 mov_rdispr(code, opts->gen.context_reg, offsetof(z80_context, iff2), opts->gen.scratch1, SZ_B);
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	416 mov_rrdisp(code, opts->gen.scratch1, opts->gen.context_reg, zf_off(ZF_PV), SZ_B);
651 103d5cabbe14 Fix flags for rra, rrca, rla and rlca. Fix timing for rr, rrc, rl and rlc when using IX or IY. Fix access to I and R registers (R still needs to be made 7-bit though). Fix flags for ld a, i. The fix for access to I fixes PCM playback in Titan Overdrive and music playback in Crackdown. Michael Pavone <pavone@retrodev.com> parents: 644 diff changeset	417 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	418 z80_save_reg(inst, opts);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	419 z80_save_ea(code, inst, opts);
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	420 if (inst->addr_mode & Z80_DIR) {
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	421 z80_save_result(opts, inst);
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	422 }
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	423 break;
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	424 case Z80_PUSH:
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	425 cycles(&opts->gen, num_cycles + 1);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	426 sub_ir(code, 2, opts->regs[Z80_SP], SZ_W);
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	427 if (inst->reg == Z80_AF) {
729 9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	428 zreg_to_native(opts, Z80_A, opts->gen.scratch1);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	429 shl_ir(code, 8, opts->gen.scratch1, SZ_W);
1049 ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	430 mov_rdispr(code, opts->gen.context_reg, zf_off(ZF_XY), opts->gen.scratch1, SZ_B);
ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	431 and_ir(code, 0x28, opts->gen.scratch1, SZ_B);
ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	432 or_rdispr(code, opts->gen.context_reg, zf_off(ZF_C), opts->gen.scratch1, SZ_B);
ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	433 ror_ir(code, 1, opts->gen.scratch1, SZ_B);
ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	434 or_rdispr(code, opts->gen.context_reg, zf_off(ZF_N), opts->gen.scratch1, SZ_B);
ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	435 ror_ir(code, 1, opts->gen.scratch1, SZ_B);
ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	436 or_rdispr(code, opts->gen.context_reg, zf_off(ZF_PV), opts->gen.scratch1, SZ_B);
ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	437 ror_ir(code, 2, opts->gen.scratch1, SZ_B);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	438 or_rdispr(code, opts->gen.context_reg, zf_off(ZF_H), opts->gen.scratch1, SZ_B);
1049 ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	439 ror_ir(code, 2, opts->gen.scratch1, SZ_B);
ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	440 or_rdispr(code, opts->gen.context_reg, zf_off(ZF_Z), opts->gen.scratch1, SZ_B);
ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	441 ror_ir(code, 1, opts->gen.scratch1, SZ_B);
ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	442 or_rdispr(code, opts->gen.context_reg, zf_off(ZF_S), opts->gen.scratch1, SZ_B);
ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	443 ror_ir(code, 1, opts->gen.scratch1, SZ_B);
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	444 } else {
731 0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	445 zreg_to_native(opts, inst->reg, opts->gen.scratch1);
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	446 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	447 mov_rr(code, opts->regs[Z80_SP], opts->gen.scratch2, SZ_W);
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	448 call(code, opts->write_16_highfirst);
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	449 //no call to save_z80_reg needed since there's no chance we'll use the only
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	450 //the upper half of a register pair
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	451 break;
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	452 case Z80_POP:
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	453 cycles(&opts->gen, num_cycles);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	454 mov_rr(code, opts->regs[Z80_SP], opts->gen.scratch1, SZ_W);
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	455 call(code, opts->read_16);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	456 add_ir(code, 2, opts->regs[Z80_SP], SZ_W);
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	457 if (inst->reg == Z80_AF) {
505 b7b7a1cab44a The local clone on my laptop got messed up and some changes had not been pushed. This commit represents the status of the working copy from that clone. It unfortunately contains some changes that I did not intend to commit yet, but this seems like the best option at the moment. Michael Pavone <pavone@retrodev.com> parents: 467 diff changeset	458
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	459 bt_ir(code, 0, opts->gen.scratch1, SZ_W);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	460 setcc_rdisp(code, CC_C, opts->gen.context_reg, zf_off(ZF_C));
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	461 bt_ir(code, 1, opts->gen.scratch1, SZ_W);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	462 setcc_rdisp(code, CC_C, opts->gen.context_reg, zf_off(ZF_N));
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	463 bt_ir(code, 2, opts->gen.scratch1, SZ_W);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	464 setcc_rdisp(code, CC_C, opts->gen.context_reg, zf_off(ZF_PV));
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	465 bt_ir(code, 4, opts->gen.scratch1, SZ_W);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	466 setcc_rdisp(code, CC_C, opts->gen.context_reg, zf_off(ZF_H));
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	467 bt_ir(code, 6, opts->gen.scratch1, SZ_W);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	468 setcc_rdisp(code, CC_C, opts->gen.context_reg, zf_off(ZF_Z));
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	469 bt_ir(code, 7, opts->gen.scratch1, SZ_W);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	470 setcc_rdisp(code, CC_C, opts->gen.context_reg, zf_off(ZF_S));
1049 ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	471 mov_rrdisp(code, opts->gen.scratch1, opts->gen.context_reg, zf_off(ZF_XY), SZ_B);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	472 shr_ir(code, 8, opts->gen.scratch1, SZ_W);
729 9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	473 native_to_zreg(opts, opts->gen.scratch1, Z80_A);
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	474 } else {
731 0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	475 native_to_zreg(opts, opts->gen.scratch1, inst->reg);
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	476 }
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	477 //no call to save_z80_reg needed since there's no chance we'll use the only
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	478 //the upper half of a register pair
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	479 break;
241 2586d49ddd46 Implement EX, EXX and RST in Z80 core Mike Pavone <pavone@retrodev.com> parents: 239 diff changeset	480 case Z80_EX:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	481 cycles(&opts->gen, num_cycles);
241 2586d49ddd46 Implement EX, EXX and RST in Z80 core Mike Pavone <pavone@retrodev.com> parents: 239 diff changeset	482 if (inst->addr_mode == Z80_REG) {
2586d49ddd46 Implement EX, EXX and RST in Z80 core Mike Pavone <pavone@retrodev.com> parents: 239 diff changeset	483 if(inst->reg == Z80_AF) {
729 9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	484 zreg_to_native(opts, Z80_A, opts->gen.scratch1);
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	485 mov_rdispr(code, opts->gen.context_reg, zar_off(Z80_A), opts->gen.scratch2, SZ_B);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	486 mov_rrdisp(code, opts->gen.scratch1, opts->gen.context_reg, zar_off(Z80_A), SZ_B);
729 9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	487 native_to_zreg(opts, opts->gen.scratch2, Z80_A);
505 b7b7a1cab44a The local clone on my laptop got messed up and some changes had not been pushed. This commit represents the status of the working copy from that clone. It unfortunately contains some changes that I did not intend to commit yet, but this seems like the best option at the moment. Michael Pavone <pavone@retrodev.com> parents: 467 diff changeset	488
241 2586d49ddd46 Implement EX, EXX and RST in Z80 core Mike Pavone <pavone@retrodev.com> parents: 239 diff changeset	489 //Flags are currently word aligned, so we can move
2586d49ddd46 Implement EX, EXX and RST in Z80 core Mike Pavone <pavone@retrodev.com> parents: 239 diff changeset	490 //them efficiently a word at a time
2586d49ddd46 Implement EX, EXX and RST in Z80 core Mike Pavone <pavone@retrodev.com> parents: 239 diff changeset	491 for (int f = ZF_C; f < ZF_NUM; f+=2) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	492 mov_rdispr(code, opts->gen.context_reg, zf_off(f), opts->gen.scratch1, SZ_W);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	493 mov_rdispr(code, opts->gen.context_reg, zaf_off(f), opts->gen.scratch2, SZ_W);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	494 mov_rrdisp(code, opts->gen.scratch1, opts->gen.context_reg, zaf_off(f), SZ_W);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	495 mov_rrdisp(code, opts->gen.scratch2, opts->gen.context_reg, zf_off(f), SZ_W);
241 2586d49ddd46 Implement EX, EXX and RST in Z80 core Mike Pavone <pavone@retrodev.com> parents: 239 diff changeset	496 }
2586d49ddd46 Implement EX, EXX and RST in Z80 core Mike Pavone <pavone@retrodev.com> parents: 239 diff changeset	497 } else {
729 9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	498 if (opts->regs[Z80_DE] >= 0 && opts->regs[Z80_HL] >= 0) {
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	499 xchg_rr(code, opts->regs[Z80_DE], opts->regs[Z80_HL], SZ_W);
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	500 } else {
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	501 zreg_to_native(opts, Z80_DE, opts->gen.scratch1);
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	502 zreg_to_native(opts, Z80_HL, opts->gen.scratch2);
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	503 native_to_zreg(opts, opts->gen.scratch1, Z80_HL);
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	504 native_to_zreg(opts, opts->gen.scratch2, Z80_DE);
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	505 }
241 2586d49ddd46 Implement EX, EXX and RST in Z80 core Mike Pavone <pavone@retrodev.com> parents: 239 diff changeset	506 }
2586d49ddd46 Implement EX, EXX and RST in Z80 core Mike Pavone <pavone@retrodev.com> parents: 239 diff changeset	507 } else {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	508 mov_rr(code, opts->regs[Z80_SP], opts->gen.scratch1, SZ_W);
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	509 call(code, opts->read_8);
729 9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	510 if (opts->regs[inst->reg] >= 0) {
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	511 xchg_rr(code, opts->regs[inst->reg], opts->gen.scratch1, SZ_B);
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	512 } else {
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	513 zreg_to_native(opts, inst->reg, opts->gen.scratch2);
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	514 xchg_rr(code, opts->gen.scratch1, opts->gen.scratch2, SZ_B);
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	515 native_to_zreg(opts, opts->gen.scratch2, inst->reg);
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	516 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	517 mov_rr(code, opts->regs[Z80_SP], opts->gen.scratch2, SZ_W);
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	518 call(code, opts->write_8);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	519 cycles(&opts->gen, 1);
241 2586d49ddd46 Implement EX, EXX and RST in Z80 core Mike Pavone <pavone@retrodev.com> parents: 239 diff changeset	520 uint8_t high_reg = z80_high_reg(inst->reg);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	521 mov_rr(code, opts->regs[Z80_SP], opts->gen.scratch1, SZ_W);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	522 add_ir(code, 1, opts->gen.scratch1, SZ_W);
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	523 call(code, opts->read_8);
729 9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	524 if (opts->regs[inst->reg] >= 0) {
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	525 //even though some of the upper halves can be used directly
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	526 //the limitations on mixing *H regs with the REX prefix
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	527 //prevent us from taking advantage of it
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	528 uint8_t use_reg = opts->regs[inst->reg];
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	529 ror_ir(code, 8, use_reg, SZ_W);
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	530 xchg_rr(code, use_reg, opts->gen.scratch1, SZ_B);
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	531 //restore reg to normal rotation
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	532 ror_ir(code, 8, use_reg, SZ_W);
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	533 } else {
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	534 zreg_to_native(opts, high_reg, opts->gen.scratch2);
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	535 xchg_rr(code, opts->gen.scratch1, opts->gen.scratch2, SZ_B);
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	536 native_to_zreg(opts, opts->gen.scratch2, high_reg);
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	537 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	538 mov_rr(code, opts->regs[Z80_SP], opts->gen.scratch2, SZ_W);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	539 add_ir(code, 1, opts->gen.scratch2, SZ_W);
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	540 call(code, opts->write_8);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	541 cycles(&opts->gen, 2);
241 2586d49ddd46 Implement EX, EXX and RST in Z80 core Mike Pavone <pavone@retrodev.com> parents: 239 diff changeset	542 }
2586d49ddd46 Implement EX, EXX and RST in Z80 core Mike Pavone <pavone@retrodev.com> parents: 239 diff changeset	543 break;
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	544 case Z80_EXX:
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	545 cycles(&opts->gen, num_cycles);
729 9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	546 zreg_to_native(opts, Z80_BC, opts->gen.scratch1);
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	547 mov_rdispr(code, opts->gen.context_reg, zar_off(Z80_BC), opts->gen.scratch2, SZ_W);
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	548 mov_rrdisp(code, opts->gen.scratch1, opts->gen.context_reg, zar_off(Z80_BC), SZ_W);
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	549 native_to_zreg(opts, opts->gen.scratch2, Z80_BC);
840 5822c6e5642f Fix timing of IM instruction Michael Pavone <pavone@retrodev.com> parents: 828 diff changeset	550
729 9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	551 zreg_to_native(opts, Z80_HL, opts->gen.scratch1);
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	552 mov_rdispr(code, opts->gen.context_reg, zar_off(Z80_HL), opts->gen.scratch2, SZ_W);
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	553 mov_rrdisp(code, opts->gen.scratch1, opts->gen.context_reg, zar_off(Z80_HL), SZ_W);
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	554 native_to_zreg(opts, opts->gen.scratch2, Z80_HL);
840 5822c6e5642f Fix timing of IM instruction Michael Pavone <pavone@retrodev.com> parents: 828 diff changeset	555
729 9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	556 zreg_to_native(opts, Z80_DE, opts->gen.scratch1);
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	557 mov_rdispr(code, opts->gen.context_reg, zar_off(Z80_DE), opts->gen.scratch2, SZ_W);
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	558 mov_rrdisp(code, opts->gen.scratch1, opts->gen.context_reg, zar_off(Z80_DE), SZ_W);
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	559 native_to_zreg(opts, opts->gen.scratch2, Z80_DE);
241 2586d49ddd46 Implement EX, EXX and RST in Z80 core Mike Pavone <pavone@retrodev.com> parents: 239 diff changeset	560 break;
272 9b04b57434b5 Implement LDI Mike Pavone <pavone@retrodev.com> parents: 269 diff changeset	561 case Z80_LDI: {
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	562 cycles(&opts->gen, num_cycles);
729 9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	563 zreg_to_native(opts, Z80_HL, opts->gen.scratch1);
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	564 call(code, opts->read_8);
729 9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	565 zreg_to_native(opts, Z80_DE, opts->gen.scratch2);
1052 366c28ac6c55 Implement undocumented flag bits for block LD instructions Michael Pavone <pavone@retrodev.com> parents: 1051 diff changeset	566 mov_rrdisp(code, opts->gen.scratch1, opts->gen.context_reg, zf_off(ZF_XY), SZ_B);
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	567 call(code, opts->write_8);
1052 366c28ac6c55 Implement undocumented flag bits for block LD instructions Michael Pavone <pavone@retrodev.com> parents: 1051 diff changeset	568 mov_rdispr(code, opts->gen.context_reg, zf_off(ZF_XY), opts->gen.scratch1, SZ_B);
366c28ac6c55 Implement undocumented flag bits for block LD instructions Michael Pavone <pavone@retrodev.com> parents: 1051 diff changeset	569 add_rr(code, opts->regs[Z80_A], opts->gen.scratch1, SZ_B);
366c28ac6c55 Implement undocumented flag bits for block LD instructions Michael Pavone <pavone@retrodev.com> parents: 1051 diff changeset	570 mov_rr(code, opts->gen.scratch1, opts->gen.scratch2, SZ_B);
366c28ac6c55 Implement undocumented flag bits for block LD instructions Michael Pavone <pavone@retrodev.com> parents: 1051 diff changeset	571 and_ir(code, 0x8, opts->gen.scratch1, SZ_B);
366c28ac6c55 Implement undocumented flag bits for block LD instructions Michael Pavone <pavone@retrodev.com> parents: 1051 diff changeset	572 shl_ir(code, 4, opts->gen.scratch2, SZ_B);
366c28ac6c55 Implement undocumented flag bits for block LD instructions Michael Pavone <pavone@retrodev.com> parents: 1051 diff changeset	573 or_rr(code, opts->gen.scratch1, opts->gen.scratch2, SZ_B);
366c28ac6c55 Implement undocumented flag bits for block LD instructions Michael Pavone <pavone@retrodev.com> parents: 1051 diff changeset	574 mov_rrdisp(code, opts->gen.scratch2, opts->gen.context_reg, zf_off(ZF_XY), SZ_B);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	575 cycles(&opts->gen, 2);
729 9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	576 if (opts->regs[Z80_DE] >= 0) {
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	577 add_ir(code, 1, opts->regs[Z80_DE], SZ_W);
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	578 } else {
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	579 add_irdisp(code, 1, opts->gen.context_reg, zr_off(Z80_DE), SZ_W);
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	580 }
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	581 if (opts->regs[Z80_HL] >= 0) {
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	582 add_ir(code, 1, opts->regs[Z80_HL], SZ_W);
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	583 } else {
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	584 add_irdisp(code, 1, opts->gen.context_reg, zr_off(Z80_HL), SZ_W);
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	585 }
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	586 if (opts->regs[Z80_BC] >= 0) {
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	587 sub_ir(code, 1, opts->regs[Z80_BC], SZ_W);
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	588 } else {
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	589 sub_irdisp(code, 1, opts->gen.context_reg, zr_off(Z80_BC), SZ_W);
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	590 }
821 21a69dfb6ee7 Implement half carry for a couple of the trivial cases Michael Pavone <pavone@retrodev.com> parents: 819 diff changeset	591 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_H), SZ_B);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	592 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_N), SZ_B);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	593 setcc_rdisp(code, CC_NZ, opts->gen.context_reg, zf_off(ZF_PV));
272 9b04b57434b5 Implement LDI Mike Pavone <pavone@retrodev.com> parents: 269 diff changeset	594 break;
9b04b57434b5 Implement LDI Mike Pavone <pavone@retrodev.com> parents: 269 diff changeset	595 }
261 f0c53a4bbfa3 Implement LDIR and fix a bug in which context was not restored after a call to z80_handle_code_write Mike Pavone <pavone@retrodev.com> parents: 259 diff changeset	596 case Z80_LDIR: {
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	597 cycles(&opts->gen, num_cycles);
729 9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	598 zreg_to_native(opts, Z80_HL, opts->gen.scratch1);
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	599 call(code, opts->read_8);
729 9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	600 zreg_to_native(opts, Z80_DE, opts->gen.scratch2);
1052 366c28ac6c55 Implement undocumented flag bits for block LD instructions Michael Pavone <pavone@retrodev.com> parents: 1051 diff changeset	601 mov_rrdisp(code, opts->gen.scratch1, opts->gen.context_reg, zf_off(ZF_XY), SZ_B);
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	602 call(code, opts->write_8);
1052 366c28ac6c55 Implement undocumented flag bits for block LD instructions Michael Pavone <pavone@retrodev.com> parents: 1051 diff changeset	603 mov_rdispr(code, opts->gen.context_reg, zf_off(ZF_XY), opts->gen.scratch1, SZ_B);
366c28ac6c55 Implement undocumented flag bits for block LD instructions Michael Pavone <pavone@retrodev.com> parents: 1051 diff changeset	604 add_rr(code, opts->regs[Z80_A], opts->gen.scratch1, SZ_B);
366c28ac6c55 Implement undocumented flag bits for block LD instructions Michael Pavone <pavone@retrodev.com> parents: 1051 diff changeset	605 mov_rr(code, opts->gen.scratch1, opts->gen.scratch2, SZ_B);
366c28ac6c55 Implement undocumented flag bits for block LD instructions Michael Pavone <pavone@retrodev.com> parents: 1051 diff changeset	606 and_ir(code, 0x8, opts->gen.scratch1, SZ_B);
366c28ac6c55 Implement undocumented flag bits for block LD instructions Michael Pavone <pavone@retrodev.com> parents: 1051 diff changeset	607 shl_ir(code, 4, opts->gen.scratch2, SZ_B);
366c28ac6c55 Implement undocumented flag bits for block LD instructions Michael Pavone <pavone@retrodev.com> parents: 1051 diff changeset	608 or_rr(code, opts->gen.scratch1, opts->gen.scratch2, SZ_B);
366c28ac6c55 Implement undocumented flag bits for block LD instructions Michael Pavone <pavone@retrodev.com> parents: 1051 diff changeset	609 mov_rrdisp(code, opts->gen.scratch2, opts->gen.context_reg, zf_off(ZF_XY), SZ_B);
729 9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	610 if (opts->regs[Z80_DE] >= 0) {
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	611 add_ir(code, 1, opts->regs[Z80_DE], SZ_W);
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	612 } else {
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	613 add_irdisp(code, 1, opts->gen.context_reg, zr_off(Z80_DE), SZ_W);
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	614 }
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	615 if (opts->regs[Z80_HL] >= 0) {
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	616 add_ir(code, 1, opts->regs[Z80_HL], SZ_W);
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	617 } else {
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	618 add_irdisp(code, 1, opts->gen.context_reg, zr_off(Z80_HL), SZ_W);
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	619 }
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	620 if (opts->regs[Z80_BC] >= 0) {
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	621 sub_ir(code, 1, opts->regs[Z80_BC], SZ_W);
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	622 } else {
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	623 sub_irdisp(code, 1, opts->gen.context_reg, zr_off(Z80_BC), SZ_W);
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	624 }
1043 3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	625 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_H), SZ_B);
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	626 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_N), SZ_B);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	627 uint8_t * cont = code->cur+1;
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	628 jcc(code, CC_Z, code->cur+2);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	629 cycles(&opts->gen, 7);
1043 3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	630 mov_irdisp(code, 1, opts->gen.context_reg, zf_off(ZF_PV), SZ_B);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	631 jmp(code, start);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	632 *cont = code->cur - (cont + 1);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	633 cycles(&opts->gen, 2);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	634 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_PV), SZ_B);
261 f0c53a4bbfa3 Implement LDIR and fix a bug in which context was not restored after a call to z80_handle_code_write Mike Pavone <pavone@retrodev.com> parents: 259 diff changeset	635 break;
f0c53a4bbfa3 Implement LDIR and fix a bug in which context was not restored after a call to z80_handle_code_write Mike Pavone <pavone@retrodev.com> parents: 259 diff changeset	636 }
273 719b9fea2fe9 Implement LDD and LDDR Mike Pavone <pavone@retrodev.com> parents: 272 diff changeset	637 case Z80_LDD: {
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	638 cycles(&opts->gen, num_cycles);
729 9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	639 zreg_to_native(opts, Z80_HL, opts->gen.scratch1);
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	640 call(code, opts->read_8);
729 9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	641 zreg_to_native(opts, Z80_DE, opts->gen.scratch2);
1052 366c28ac6c55 Implement undocumented flag bits for block LD instructions Michael Pavone <pavone@retrodev.com> parents: 1051 diff changeset	642 mov_rrdisp(code, opts->gen.scratch1, opts->gen.context_reg, zf_off(ZF_XY), SZ_B);
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	643 call(code, opts->write_8);
1052 366c28ac6c55 Implement undocumented flag bits for block LD instructions Michael Pavone <pavone@retrodev.com> parents: 1051 diff changeset	644 mov_rdispr(code, opts->gen.context_reg, zf_off(ZF_XY), opts->gen.scratch1, SZ_B);
366c28ac6c55 Implement undocumented flag bits for block LD instructions Michael Pavone <pavone@retrodev.com> parents: 1051 diff changeset	645 add_rr(code, opts->regs[Z80_A], opts->gen.scratch1, SZ_B);
366c28ac6c55 Implement undocumented flag bits for block LD instructions Michael Pavone <pavone@retrodev.com> parents: 1051 diff changeset	646 mov_rr(code, opts->gen.scratch1, opts->gen.scratch2, SZ_B);
366c28ac6c55 Implement undocumented flag bits for block LD instructions Michael Pavone <pavone@retrodev.com> parents: 1051 diff changeset	647 and_ir(code, 0x8, opts->gen.scratch1, SZ_B);
366c28ac6c55 Implement undocumented flag bits for block LD instructions Michael Pavone <pavone@retrodev.com> parents: 1051 diff changeset	648 shl_ir(code, 4, opts->gen.scratch2, SZ_B);
366c28ac6c55 Implement undocumented flag bits for block LD instructions Michael Pavone <pavone@retrodev.com> parents: 1051 diff changeset	649 or_rr(code, opts->gen.scratch1, opts->gen.scratch2, SZ_B);
366c28ac6c55 Implement undocumented flag bits for block LD instructions Michael Pavone <pavone@retrodev.com> parents: 1051 diff changeset	650 mov_rrdisp(code, opts->gen.scratch2, opts->gen.context_reg, zf_off(ZF_XY), SZ_B);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	651 cycles(&opts->gen, 2);
729 9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	652 if (opts->regs[Z80_DE] >= 0) {
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	653 sub_ir(code, 1, opts->regs[Z80_DE], SZ_W);
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	654 } else {
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	655 sub_irdisp(code, 1, opts->gen.context_reg, zr_off(Z80_DE), SZ_W);
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	656 }
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	657 if (opts->regs[Z80_HL] >= 0) {
828 22c3c52b9871 Fixed a copy pasta error in the implementation of LDD and LDDR. HL should be decremented and not incremented in those instructions. Michael Pavone <pavone@retrodev.com> parents: 821 diff changeset	658 sub_ir(code, 1, opts->regs[Z80_HL], SZ_W);
729 9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	659 } else {
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	660 sub_irdisp(code, 1, opts->gen.context_reg, zr_off(Z80_HL), SZ_W);
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	661 }
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	662 if (opts->regs[Z80_BC] >= 0) {
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	663 sub_ir(code, 1, opts->regs[Z80_BC], SZ_W);
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	664 } else {
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	665 sub_irdisp(code, 1, opts->gen.context_reg, zr_off(Z80_BC), SZ_W);
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	666 }
821 21a69dfb6ee7 Implement half carry for a couple of the trivial cases Michael Pavone <pavone@retrodev.com> parents: 819 diff changeset	667 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_H), SZ_B);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	668 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_N), SZ_B);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	669 setcc_rdisp(code, CC_NZ, opts->gen.context_reg, zf_off(ZF_PV));
273 719b9fea2fe9 Implement LDD and LDDR Mike Pavone <pavone@retrodev.com> parents: 272 diff changeset	670 break;
719b9fea2fe9 Implement LDD and LDDR Mike Pavone <pavone@retrodev.com> parents: 272 diff changeset	671 }
719b9fea2fe9 Implement LDD and LDDR Mike Pavone <pavone@retrodev.com> parents: 272 diff changeset	672 case Z80_LDDR: {
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	673 cycles(&opts->gen, num_cycles);
729 9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	674 zreg_to_native(opts, Z80_HL, opts->gen.scratch1);
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	675 call(code, opts->read_8);
729 9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	676 zreg_to_native(opts, Z80_DE, opts->gen.scratch2);
1052 366c28ac6c55 Implement undocumented flag bits for block LD instructions Michael Pavone <pavone@retrodev.com> parents: 1051 diff changeset	677 mov_rrdisp(code, opts->gen.scratch1, opts->gen.context_reg, zf_off(ZF_XY), SZ_B);
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	678 call(code, opts->write_8);
1052 366c28ac6c55 Implement undocumented flag bits for block LD instructions Michael Pavone <pavone@retrodev.com> parents: 1051 diff changeset	679 mov_rdispr(code, opts->gen.context_reg, zf_off(ZF_XY), opts->gen.scratch1, SZ_B);
366c28ac6c55 Implement undocumented flag bits for block LD instructions Michael Pavone <pavone@retrodev.com> parents: 1051 diff changeset	680 add_rr(code, opts->regs[Z80_A], opts->gen.scratch1, SZ_B);
366c28ac6c55 Implement undocumented flag bits for block LD instructions Michael Pavone <pavone@retrodev.com> parents: 1051 diff changeset	681 mov_rr(code, opts->gen.scratch1, opts->gen.scratch2, SZ_B);
366c28ac6c55 Implement undocumented flag bits for block LD instructions Michael Pavone <pavone@retrodev.com> parents: 1051 diff changeset	682 and_ir(code, 0x8, opts->gen.scratch1, SZ_B);
366c28ac6c55 Implement undocumented flag bits for block LD instructions Michael Pavone <pavone@retrodev.com> parents: 1051 diff changeset	683 shl_ir(code, 4, opts->gen.scratch2, SZ_B);
366c28ac6c55 Implement undocumented flag bits for block LD instructions Michael Pavone <pavone@retrodev.com> parents: 1051 diff changeset	684 or_rr(code, opts->gen.scratch1, opts->gen.scratch2, SZ_B);
366c28ac6c55 Implement undocumented flag bits for block LD instructions Michael Pavone <pavone@retrodev.com> parents: 1051 diff changeset	685 mov_rrdisp(code, opts->gen.scratch2, opts->gen.context_reg, zf_off(ZF_XY), SZ_B);
729 9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	686 if (opts->regs[Z80_DE] >= 0) {
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	687 sub_ir(code, 1, opts->regs[Z80_DE], SZ_W);
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	688 } else {
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	689 sub_irdisp(code, 1, opts->gen.context_reg, zr_off(Z80_DE), SZ_W);
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	690 }
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	691 if (opts->regs[Z80_HL] >= 0) {
828 22c3c52b9871 Fixed a copy pasta error in the implementation of LDD and LDDR. HL should be decremented and not incremented in those instructions. Michael Pavone <pavone@retrodev.com> parents: 821 diff changeset	692 sub_ir(code, 1, opts->regs[Z80_HL], SZ_W);
729 9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	693 } else {
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	694 sub_irdisp(code, 1, opts->gen.context_reg, zr_off(Z80_HL), SZ_W);
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	695 }
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	696 if (opts->regs[Z80_BC] >= 0) {
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	697 sub_ir(code, 1, opts->regs[Z80_BC], SZ_W);
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	698 } else {
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	699 sub_irdisp(code, 1, opts->gen.context_reg, zr_off(Z80_BC), SZ_W);
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	700 }
1043 3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	701 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_H), SZ_B);
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	702 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_N), SZ_B);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	703 uint8_t * cont = code->cur+1;
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	704 jcc(code, CC_Z, code->cur+2);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	705 cycles(&opts->gen, 7);
1043 3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	706 mov_irdisp(code, 1, opts->gen.context_reg, zf_off(ZF_PV), SZ_B);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	707 jmp(code, start);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	708 *cont = code->cur - (cont + 1);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	709 cycles(&opts->gen, 2);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	710 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_PV), SZ_B);
273 719b9fea2fe9 Implement LDD and LDDR Mike Pavone <pavone@retrodev.com> parents: 272 diff changeset	711 break;
719b9fea2fe9 Implement LDD and LDDR Mike Pavone <pavone@retrodev.com> parents: 272 diff changeset	712 }
1043 3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	713 case Z80_CPI:
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	714 cycles(&opts->gen, num_cycles);//T-States 4,4
1043 3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	715 zreg_to_native(opts, Z80_HL, opts->gen.scratch1);
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	716 call(code, opts->read_8);//T-States 3
1046 a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	717 mov_rr(code, opts->regs[Z80_A], opts->gen.scratch2, SZ_B);
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	718 sub_rr(code, opts->gen.scratch1, opts->gen.scratch2, SZ_B);
1043 3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	719 mov_irdisp(code, 1, opts->gen.context_reg, zf_off(ZF_N), SZ_B);
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	720 setcc_rdisp(code, CC_Z, opts->gen.context_reg, zf_off(ZF_Z));
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	721 setcc_rdisp(code, CC_S, opts->gen.context_reg, zf_off(ZF_S));
1046 a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	722 xor_rr(code, opts->regs[Z80_A], opts->gen.scratch2, SZ_B);
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	723 xor_rr(code, opts->gen.scratch1, opts->gen.scratch2, SZ_B);
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	724 bt_ir(code, 4, opts->gen.scratch2, SZ_B);
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	725 setcc_rdisp(code, CC_C, opts->gen.context_reg, zf_off(ZF_H));
1043 3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	726 cycles(&opts->gen, 5);//T-States 5
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	727 if (opts->regs[Z80_HL] >= 0) {
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	728 add_ir(code, 1, opts->regs[Z80_HL], SZ_W);
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	729 } else {
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	730 add_irdisp(code, 1, opts->gen.context_reg, zr_off(Z80_HL), SZ_W);
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	731 }
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	732 if (opts->regs[Z80_BC] >= 0) {
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	733 sub_ir(code, 1, opts->regs[Z80_BC], SZ_W);
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	734 } else {
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	735 sub_irdisp(code, 1, opts->gen.context_reg, zr_off(Z80_BC), SZ_W);
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	736 }
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	737 setcc_rdisp(code, CC_NZ, opts->gen.context_reg, zf_off(ZF_PV));
1051 11ff5726fd5e Implement undocumented flag bits for block CP instructions Michael Pavone <pavone@retrodev.com> parents: 1050 diff changeset	738 mov_rr(code, opts->regs[Z80_A], opts->gen.scratch2, SZ_B);
11ff5726fd5e Implement undocumented flag bits for block CP instructions Michael Pavone <pavone@retrodev.com> parents: 1050 diff changeset	739 sub_rr(code, opts->gen.scratch1, opts->gen.scratch2, SZ_B);
11ff5726fd5e Implement undocumented flag bits for block CP instructions Michael Pavone <pavone@retrodev.com> parents: 1050 diff changeset	740 sub_rdispr(code, opts->gen.context_reg, zf_off(ZF_H), opts->gen.scratch2, SZ_B);
11ff5726fd5e Implement undocumented flag bits for block CP instructions Michael Pavone <pavone@retrodev.com> parents: 1050 diff changeset	741 mov_rrdisp(code, opts->gen.scratch2, opts->gen.context_reg, zf_off(ZF_XY), SZ_B);
11ff5726fd5e Implement undocumented flag bits for block CP instructions Michael Pavone <pavone@retrodev.com> parents: 1050 diff changeset	742 shl_ir(code, 4, opts->gen.scratch2, SZ_B);
11ff5726fd5e Implement undocumented flag bits for block CP instructions Michael Pavone <pavone@retrodev.com> parents: 1050 diff changeset	743 and_irdisp(code, 0x8, opts->gen.context_reg, zf_off(ZF_XY), SZ_B);
11ff5726fd5e Implement undocumented flag bits for block CP instructions Michael Pavone <pavone@retrodev.com> parents: 1050 diff changeset	744 and_ir(code, 0x20, opts->gen.scratch2, SZ_B);
11ff5726fd5e Implement undocumented flag bits for block CP instructions Michael Pavone <pavone@retrodev.com> parents: 1050 diff changeset	745 or_rrdisp(code, opts->gen.scratch2, opts->gen.context_reg, zf_off(ZF_XY), SZ_B);
1043 3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	746 break;
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	747 case Z80_CPIR: {
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	748 cycles(&opts->gen, num_cycles);//T-States 4,4
1043 3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	749 zreg_to_native(opts, Z80_HL, opts->gen.scratch1);
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	750 call(code, opts->read_8);//T-States 3
1046 a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	751 mov_rr(code, opts->regs[Z80_A], opts->gen.scratch2, SZ_B);
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	752 sub_rr(code, opts->gen.scratch1, opts->gen.scratch2, SZ_B);
1043 3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	753 mov_irdisp(code, 1, opts->gen.context_reg, zf_off(ZF_N), SZ_B);
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	754 setcc_rdisp(code, CC_Z, opts->gen.context_reg, zf_off(ZF_Z));
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	755 setcc_rdisp(code, CC_S, opts->gen.context_reg, zf_off(ZF_S));
1046 a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	756 xor_rr(code, opts->regs[Z80_A], opts->gen.scratch2, SZ_B);
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	757 xor_rr(code, opts->gen.scratch1, opts->gen.scratch2, SZ_B);
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	758 bt_ir(code, 4, opts->gen.scratch2, SZ_B);
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	759 setcc_rdisp(code, CC_C, opts->gen.context_reg, zf_off(ZF_H));
1043 3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	760 cycles(&opts->gen, 5);//T-States 5
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	761 if (opts->regs[Z80_HL] >= 0) {
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	762 add_ir(code, 1, opts->regs[Z80_HL], SZ_W);
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	763 } else {
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	764 add_irdisp(code, 1, opts->gen.context_reg, zr_off(Z80_HL), SZ_W);
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	765 }
1051 11ff5726fd5e Implement undocumented flag bits for block CP instructions Michael Pavone <pavone@retrodev.com> parents: 1050 diff changeset	766 mov_rr(code, opts->regs[Z80_A], opts->gen.scratch2, SZ_B);
11ff5726fd5e Implement undocumented flag bits for block CP instructions Michael Pavone <pavone@retrodev.com> parents: 1050 diff changeset	767 sub_rr(code, opts->gen.scratch1, opts->gen.scratch2, SZ_B);
11ff5726fd5e Implement undocumented flag bits for block CP instructions Michael Pavone <pavone@retrodev.com> parents: 1050 diff changeset	768 sub_rdispr(code, opts->gen.context_reg, zf_off(ZF_H), opts->gen.scratch2, SZ_B);
11ff5726fd5e Implement undocumented flag bits for block CP instructions Michael Pavone <pavone@retrodev.com> parents: 1050 diff changeset	769 mov_rrdisp(code, opts->gen.scratch2, opts->gen.context_reg, zf_off(ZF_XY), SZ_B);
11ff5726fd5e Implement undocumented flag bits for block CP instructions Michael Pavone <pavone@retrodev.com> parents: 1050 diff changeset	770 shl_ir(code, 4, opts->gen.scratch2, SZ_B);
11ff5726fd5e Implement undocumented flag bits for block CP instructions Michael Pavone <pavone@retrodev.com> parents: 1050 diff changeset	771 and_irdisp(code, 0x8, opts->gen.context_reg, zf_off(ZF_XY), SZ_B);
11ff5726fd5e Implement undocumented flag bits for block CP instructions Michael Pavone <pavone@retrodev.com> parents: 1050 diff changeset	772 and_ir(code, 0x20, opts->gen.scratch2, SZ_B);
11ff5726fd5e Implement undocumented flag bits for block CP instructions Michael Pavone <pavone@retrodev.com> parents: 1050 diff changeset	773 or_rrdisp(code, opts->gen.scratch2, opts->gen.context_reg, zf_off(ZF_XY), SZ_B);
1043 3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	774 if (opts->regs[Z80_BC] >= 0) {
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	775 sub_ir(code, 1, opts->regs[Z80_BC], SZ_W);
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	776 } else {
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	777 sub_irdisp(code, 1, opts->gen.context_reg, zr_off(Z80_BC), SZ_W);
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	778 }
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	779 setcc_rdisp(code, CC_NZ, opts->gen.context_reg, zf_off(ZF_PV));
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	780 uint8_t * cont = code->cur+1;
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	781 jcc(code, CC_Z, code->cur+2);
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	782 cmp_rr(code, opts->gen.scratch1, opts->regs[Z80_A], SZ_B);
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	783 uint8_t * cont2 = code->cur+1;
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	784 jcc(code, CC_Z, code->cur+2);
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	785 //repeat case
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	786 cycles(&opts->gen, 5);//T-States 5
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	787 jmp(code, start);
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	788 *cont = code->cur - (cont + 1);
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	789 *cont2 = code->cur - (cont2 + 1);
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	790 break;
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	791 }
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	792 case Z80_CPD:
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	793 cycles(&opts->gen, num_cycles);//T-States 4,4
1043 3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	794 zreg_to_native(opts, Z80_HL, opts->gen.scratch1);
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	795 call(code, opts->read_8);//T-States 3
1046 a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	796 mov_rr(code, opts->regs[Z80_A], opts->gen.scratch2, SZ_B);
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	797 sub_rr(code, opts->gen.scratch1, opts->gen.scratch2, SZ_B);
1043 3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	798 mov_irdisp(code, 1, opts->gen.context_reg, zf_off(ZF_N), SZ_B);
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	799 setcc_rdisp(code, CC_Z, opts->gen.context_reg, zf_off(ZF_Z));
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	800 setcc_rdisp(code, CC_S, opts->gen.context_reg, zf_off(ZF_S));
1046 a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	801 xor_rr(code, opts->regs[Z80_A], opts->gen.scratch2, SZ_B);
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	802 xor_rr(code, opts->gen.scratch1, opts->gen.scratch2, SZ_B);
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	803 bt_ir(code, 4, opts->gen.scratch2, SZ_B);
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	804 setcc_rdisp(code, CC_C, opts->gen.context_reg, zf_off(ZF_H));
1043 3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	805 cycles(&opts->gen, 5);//T-States 5
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	806 if (opts->regs[Z80_HL] >= 0) {
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	807 sub_ir(code, 1, opts->regs[Z80_HL], SZ_W);
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	808 } else {
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	809 sub_irdisp(code, 1, opts->gen.context_reg, zr_off(Z80_HL), SZ_W);
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	810 }
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	811 if (opts->regs[Z80_BC] >= 0) {
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	812 sub_ir(code, 1, opts->regs[Z80_BC], SZ_W);
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	813 } else {
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	814 sub_irdisp(code, 1, opts->gen.context_reg, zr_off(Z80_BC), SZ_W);
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	815 }
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	816 setcc_rdisp(code, CC_NZ, opts->gen.context_reg, zf_off(ZF_PV));
1051 11ff5726fd5e Implement undocumented flag bits for block CP instructions Michael Pavone <pavone@retrodev.com> parents: 1050 diff changeset	817 mov_rr(code, opts->regs[Z80_A], opts->gen.scratch2, SZ_B);
11ff5726fd5e Implement undocumented flag bits for block CP instructions Michael Pavone <pavone@retrodev.com> parents: 1050 diff changeset	818 sub_rr(code, opts->gen.scratch1, opts->gen.scratch2, SZ_B);
11ff5726fd5e Implement undocumented flag bits for block CP instructions Michael Pavone <pavone@retrodev.com> parents: 1050 diff changeset	819 sub_rdispr(code, opts->gen.context_reg, zf_off(ZF_H), opts->gen.scratch2, SZ_B);
11ff5726fd5e Implement undocumented flag bits for block CP instructions Michael Pavone <pavone@retrodev.com> parents: 1050 diff changeset	820 mov_rrdisp(code, opts->gen.scratch2, opts->gen.context_reg, zf_off(ZF_XY), SZ_B);
11ff5726fd5e Implement undocumented flag bits for block CP instructions Michael Pavone <pavone@retrodev.com> parents: 1050 diff changeset	821 shl_ir(code, 4, opts->gen.scratch2, SZ_B);
11ff5726fd5e Implement undocumented flag bits for block CP instructions Michael Pavone <pavone@retrodev.com> parents: 1050 diff changeset	822 and_irdisp(code, 0x8, opts->gen.context_reg, zf_off(ZF_XY), SZ_B);
11ff5726fd5e Implement undocumented flag bits for block CP instructions Michael Pavone <pavone@retrodev.com> parents: 1050 diff changeset	823 and_ir(code, 0x20, opts->gen.scratch2, SZ_B);
11ff5726fd5e Implement undocumented flag bits for block CP instructions Michael Pavone <pavone@retrodev.com> parents: 1050 diff changeset	824 or_rrdisp(code, opts->gen.scratch2, opts->gen.context_reg, zf_off(ZF_XY), SZ_B);
1043 3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	825 break;
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	826 case Z80_CPDR: {
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	827 cycles(&opts->gen, num_cycles);//T-States 4,4
1043 3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	828 zreg_to_native(opts, Z80_HL, opts->gen.scratch1);
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	829 call(code, opts->read_8);//T-States 3
1046 a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	830 mov_rr(code, opts->regs[Z80_A], opts->gen.scratch2, SZ_B);
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	831 sub_rr(code, opts->gen.scratch1, opts->gen.scratch2, SZ_B);
1043 3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	832 mov_irdisp(code, 1, opts->gen.context_reg, zf_off(ZF_N), SZ_B);
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	833 setcc_rdisp(code, CC_Z, opts->gen.context_reg, zf_off(ZF_Z));
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	834 setcc_rdisp(code, CC_S, opts->gen.context_reg, zf_off(ZF_S));
1046 a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	835 xor_rr(code, opts->regs[Z80_A], opts->gen.scratch2, SZ_B);
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	836 xor_rr(code, opts->gen.scratch1, opts->gen.scratch2, SZ_B);
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	837 bt_ir(code, 4, opts->gen.scratch2, SZ_B);
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	838 setcc_rdisp(code, CC_C, opts->gen.context_reg, zf_off(ZF_H));
1043 3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	839 cycles(&opts->gen, 5);//T-States 5
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	840 if (opts->regs[Z80_HL] >= 0) {
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	841 sub_ir(code, 1, opts->regs[Z80_HL], SZ_W);
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	842 } else {
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	843 sub_irdisp(code, 1, opts->gen.context_reg, zr_off(Z80_HL), SZ_W);
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	844 }
1051 11ff5726fd5e Implement undocumented flag bits for block CP instructions Michael Pavone <pavone@retrodev.com> parents: 1050 diff changeset	845 mov_rr(code, opts->regs[Z80_A], opts->gen.scratch2, SZ_B);
11ff5726fd5e Implement undocumented flag bits for block CP instructions Michael Pavone <pavone@retrodev.com> parents: 1050 diff changeset	846 sub_rr(code, opts->gen.scratch1, opts->gen.scratch2, SZ_B);
11ff5726fd5e Implement undocumented flag bits for block CP instructions Michael Pavone <pavone@retrodev.com> parents: 1050 diff changeset	847 sub_rdispr(code, opts->gen.context_reg, zf_off(ZF_H), opts->gen.scratch2, SZ_B);
11ff5726fd5e Implement undocumented flag bits for block CP instructions Michael Pavone <pavone@retrodev.com> parents: 1050 diff changeset	848 mov_rrdisp(code, opts->gen.scratch2, opts->gen.context_reg, zf_off(ZF_XY), SZ_B);
11ff5726fd5e Implement undocumented flag bits for block CP instructions Michael Pavone <pavone@retrodev.com> parents: 1050 diff changeset	849 shl_ir(code, 4, opts->gen.scratch2, SZ_B);
11ff5726fd5e Implement undocumented flag bits for block CP instructions Michael Pavone <pavone@retrodev.com> parents: 1050 diff changeset	850 and_irdisp(code, 0x8, opts->gen.context_reg, zf_off(ZF_XY), SZ_B);
11ff5726fd5e Implement undocumented flag bits for block CP instructions Michael Pavone <pavone@retrodev.com> parents: 1050 diff changeset	851 and_ir(code, 0x20, opts->gen.scratch2, SZ_B);
11ff5726fd5e Implement undocumented flag bits for block CP instructions Michael Pavone <pavone@retrodev.com> parents: 1050 diff changeset	852 or_rrdisp(code, opts->gen.scratch2, opts->gen.context_reg, zf_off(ZF_XY), SZ_B);
1043 3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	853 if (opts->regs[Z80_BC] >= 0) {
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	854 sub_ir(code, 1, opts->regs[Z80_BC], SZ_W);
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	855 } else {
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	856 sub_irdisp(code, 1, opts->gen.context_reg, zr_off(Z80_BC), SZ_W);
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	857 }
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	858 setcc_rdisp(code, CC_NZ, opts->gen.context_reg, zf_off(ZF_PV));
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	859 uint8_t * cont = code->cur+1;
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	860 jcc(code, CC_Z, code->cur+2);
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	861 cmp_rr(code, opts->gen.scratch1, opts->regs[Z80_A], SZ_B);
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	862 uint8_t * cont2 = code->cur+1;
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	863 jcc(code, CC_Z, code->cur+2);
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	864 //repeat case
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	865 cycles(&opts->gen, 5);//T-States 5
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	866 jmp(code, start);
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	867 *cont = code->cur - (cont + 1);
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	868 *cont2 = code->cur - (cont2 + 1);
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	869 break;
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	870 }
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	871 case Z80_ADD:
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	872 if (inst->addr_mode == Z80_IX_DISPLACE \|\| inst->addr_mode == Z80_IY_DISPLACE) {
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	873 num_cycles += 8;
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	874 } else if(inst->addr_mode == Z80_IMMED) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	875 num_cycles += 3;
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	876 } else if(z80_size(inst) == SZ_W) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	877 num_cycles += 4;
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	878 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	879 cycles(&opts->gen, num_cycles);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	880 translate_z80_reg(inst, &dst_op, opts);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	881 translate_z80_ea(inst, &src_op, opts, READ, DONT_MODIFY);
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	882 if (dst_op.mode == MODE_REG_DIRECT) {
1046 a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	883 mov_rr(code, dst_op.base, opts->gen.scratch2, z80_size(inst));
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	884 } else {
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	885 mov_rdispr(code, dst_op.base, dst_op.disp, opts->gen.scratch2, z80_size(inst));
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	886 }
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	887 if (src_op.mode == MODE_REG_DIRECT) {
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	888 xor_rr(code, src_op.base, opts->gen.scratch2, z80_size(inst));
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	889 } else if (src_op.mode == MODE_IMMED) {
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	890 xor_ir(code, src_op.disp, opts->gen.scratch2, z80_size(inst));
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	891 } else {
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	892 xor_rdispr(code, src_op.base, src_op.disp, opts->gen.scratch2, z80_size(inst));
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	893 }
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	894 if (dst_op.mode == MODE_REG_DIRECT) {
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	895 if (src_op.mode == MODE_REG_DIRECT) {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	896 add_rr(code, src_op.base, dst_op.base, z80_size(inst));
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	897 } else if (src_op.mode == MODE_IMMED) {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	898 add_ir(code, src_op.disp, dst_op.base, z80_size(inst));
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	899 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	900 add_rdispr(code, src_op.base, src_op.disp, dst_op.base, z80_size(inst));
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	901 }
1049 ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	902 if (z80_size(inst) == SZ_B) {
ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	903 mov_rrdisp(code, dst_op.base, opts->gen.context_reg, zf_off(ZF_XY), SZ_B);
ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	904 }
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	905 } else {
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	906 if (src_op.mode == MODE_REG_DIRECT) {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	907 add_rrdisp(code, src_op.base, dst_op.base, dst_op.disp, z80_size(inst));
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	908 } else if (src_op.mode == MODE_IMMED) {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	909 add_irdisp(code, src_op.disp, dst_op.base, dst_op.disp, z80_size(inst));
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	910 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	911 mov_rdispr(code, src_op.base, src_op.disp, opts->gen.scratch1, z80_size(inst));
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	912 add_rrdisp(code, opts->gen.scratch1, dst_op.base, dst_op.disp, z80_size(inst));
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	913 }
1057 ff46d8fc2de8 Fix handling of undocumented flag bits for ADD in 32-bit builds Michael Pavone <pavone@retrodev.com> parents: 1056 diff changeset	914 mov_rdispr(code, dst_op.base, dst_op.disp + (z80_size(inst) == SZ_B ? 0 : 1), opts->gen.scratch1, SZ_B);
1049 ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	915 mov_rrdisp(code, opts->gen.scratch1, opts->gen.context_reg, zf_off(ZF_XY), SZ_B);
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	916 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	917 setcc_rdisp(code, CC_C, opts->gen.context_reg, zf_off(ZF_C));
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	918 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_N), SZ_B);
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	919 if (z80_size(inst) == SZ_B) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	920 setcc_rdisp(code, CC_O, opts->gen.context_reg, zf_off(ZF_PV));
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	921 setcc_rdisp(code, CC_Z, opts->gen.context_reg, zf_off(ZF_Z));
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	922 setcc_rdisp(code, CC_S, opts->gen.context_reg, zf_off(ZF_S));
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	923 }
1046 a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	924 if (dst_op.mode == MODE_REG_DIRECT) {
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	925 xor_rr(code, dst_op.base, opts->gen.scratch2, z80_size(inst));
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	926 } else {
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	927 xor_rdispr(code, dst_op.base, dst_op.disp, opts->gen.scratch2, z80_size(inst));
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	928 }
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	929 bt_ir(code, z80_size(inst) == SZ_B ? 4 : 12, opts->gen.scratch2, z80_size(inst));
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	930 setcc_rdisp(code, CC_C, opts->gen.context_reg, zf_off(ZF_H));
1049 ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	931 if (z80_size(inst) == SZ_W & dst_op.mode == MODE_REG_DIRECT) {
ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	932 mov_rr(code, dst_op.base, opts->gen.scratch2, SZ_W);
ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	933 shr_ir(code, 8, opts->gen.scratch2, SZ_W);
ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	934 mov_rrdisp(code, opts->gen.scratch2, opts->gen.context_reg, zf_off(ZF_XY), SZ_B);
ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	935 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	936 z80_save_reg(inst, opts);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	937 z80_save_ea(code, inst, opts);
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	938 break;
248 9c7a3db7bcd0 Implement ADC and SBC in Z80 core (untested) Mike Pavone <pavone@retrodev.com> parents: 247 diff changeset	939 case Z80_ADC:
9c7a3db7bcd0 Implement ADC and SBC in Z80 core (untested) Mike Pavone <pavone@retrodev.com> parents: 247 diff changeset	940 if (inst->addr_mode == Z80_IX_DISPLACE \|\| inst->addr_mode == Z80_IY_DISPLACE) {
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	941 num_cycles += 8;
248 9c7a3db7bcd0 Implement ADC and SBC in Z80 core (untested) Mike Pavone <pavone@retrodev.com> parents: 247 diff changeset	942 } else if(inst->addr_mode == Z80_IMMED) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	943 num_cycles += 3;
248 9c7a3db7bcd0 Implement ADC and SBC in Z80 core (untested) Mike Pavone <pavone@retrodev.com> parents: 247 diff changeset	944 } else if(z80_size(inst) == SZ_W) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	945 num_cycles += 4;
248 9c7a3db7bcd0 Implement ADC and SBC in Z80 core (untested) Mike Pavone <pavone@retrodev.com> parents: 247 diff changeset	946 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	947 cycles(&opts->gen, num_cycles);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	948 translate_z80_reg(inst, &dst_op, opts);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	949 translate_z80_ea(inst, &src_op, opts, READ, DONT_MODIFY);
1046 a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	950 if (dst_op.mode == MODE_REG_DIRECT) {
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	951 mov_rr(code, dst_op.base, opts->gen.scratch2, z80_size(inst));
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	952 } else {
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	953 mov_rdispr(code, dst_op.base, dst_op.disp, opts->gen.scratch2, z80_size(inst));
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	954 }
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	955 if (src_op.mode == MODE_REG_DIRECT) {
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	956 xor_rr(code, src_op.base, opts->gen.scratch2, z80_size(inst));
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	957 } else if (src_op.mode == MODE_IMMED) {
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	958 xor_ir(code, src_op.disp, opts->gen.scratch2, z80_size(inst));
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	959 } else {
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	960 xor_rdispr(code, src_op.base, src_op.disp, opts->gen.scratch2, z80_size(inst));
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	961 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	962 bt_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_C), SZ_B);
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	963 if (dst_op.mode == MODE_REG_DIRECT) {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	964 if (src_op.mode == MODE_REG_DIRECT) {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	965 adc_rr(code, src_op.base, dst_op.base, z80_size(inst));
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	966 } else if (src_op.mode == MODE_IMMED) {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	967 adc_ir(code, src_op.disp, dst_op.base, z80_size(inst));
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	968 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	969 adc_rdispr(code, src_op.base, src_op.disp, dst_op.base, z80_size(inst));
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	970 }
1049 ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	971 if (z80_size(inst) == SZ_B) {
ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	972 mov_rrdisp(code, dst_op.base, opts->gen.context_reg, zf_off(ZF_XY), SZ_B);
ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	973 }
248 9c7a3db7bcd0 Implement ADC and SBC in Z80 core (untested) Mike Pavone <pavone@retrodev.com> parents: 247 diff changeset	974 } else {
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	975 if (src_op.mode == MODE_REG_DIRECT) {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	976 adc_rrdisp(code, src_op.base, dst_op.base, dst_op.disp, z80_size(inst));
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	977 } else if (src_op.mode == MODE_IMMED) {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	978 adc_irdisp(code, src_op.disp, dst_op.base, dst_op.disp, z80_size(inst));
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	979 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	980 mov_rdispr(code, src_op.base, src_op.disp, opts->gen.scratch1, z80_size(inst));
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	981 adc_rrdisp(code, opts->gen.scratch1, dst_op.base, dst_op.disp, z80_size(inst));
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	982 }
1049 ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	983 mov_rdispr(code, dst_op.base, dst_op.disp + z80_size(inst) == SZ_B ? 0 : 8, opts->gen.scratch1, SZ_B);
ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	984 mov_rrdisp(code, opts->gen.scratch1, opts->gen.context_reg, zf_off(ZF_XY), SZ_B);
248 9c7a3db7bcd0 Implement ADC and SBC in Z80 core (untested) Mike Pavone <pavone@retrodev.com> parents: 247 diff changeset	985 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	986 setcc_rdisp(code, CC_C, opts->gen.context_reg, zf_off(ZF_C));
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	987 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_N), SZ_B);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	988 setcc_rdisp(code, CC_O, opts->gen.context_reg, zf_off(ZF_PV));
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	989 setcc_rdisp(code, CC_Z, opts->gen.context_reg, zf_off(ZF_Z));
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	990 setcc_rdisp(code, CC_S, opts->gen.context_reg, zf_off(ZF_S));
1046 a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	991 if (dst_op.mode == MODE_REG_DIRECT) {
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	992 xor_rr(code, dst_op.base, opts->gen.scratch2, z80_size(inst));
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	993 } else {
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	994 xor_rdispr(code, dst_op.base, dst_op.disp, opts->gen.scratch2, z80_size(inst));
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	995 }
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	996 bt_ir(code, z80_size(inst) == SZ_B ? 4 : 12, opts->gen.scratch2, z80_size(inst));
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	997 setcc_rdisp(code, CC_C, opts->gen.context_reg, zf_off(ZF_H));
1049 ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	998 if (z80_size(inst) == SZ_W & dst_op.mode == MODE_REG_DIRECT) {
ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	999 mov_rr(code, dst_op.base, opts->gen.scratch2, SZ_W);
ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	1000 shr_ir(code, 8, opts->gen.scratch2, SZ_W);
ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	1001 mov_rrdisp(code, opts->gen.scratch2, opts->gen.context_reg, zf_off(ZF_XY), SZ_B);
ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	1002 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1003 z80_save_reg(inst, opts);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1004 z80_save_ea(code, inst, opts);
248 9c7a3db7bcd0 Implement ADC and SBC in Z80 core (untested) Mike Pavone <pavone@retrodev.com> parents: 247 diff changeset	1005 break;
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	1006 case Z80_SUB:
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	1007 if (inst->addr_mode == Z80_IX_DISPLACE \|\| inst->addr_mode == Z80_IY_DISPLACE) {
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	1008 num_cycles += 8;
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	1009 } else if(inst->addr_mode == Z80_IMMED) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1010 num_cycles += 3;
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	1011 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1012 cycles(&opts->gen, num_cycles);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1013 translate_z80_reg(inst, &dst_op, opts);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1014 translate_z80_ea(inst, &src_op, opts, READ, DONT_MODIFY);
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1015 if (dst_op.mode == MODE_REG_DIRECT) {
1046 a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	1016 mov_rr(code, dst_op.base, opts->gen.scratch2, z80_size(inst));
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	1017 } else {
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	1018 mov_rdispr(code, dst_op.base, dst_op.disp, opts->gen.scratch2, z80_size(inst));
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	1019 }
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	1020 if (src_op.mode == MODE_REG_DIRECT) {
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	1021 xor_rr(code, src_op.base, opts->gen.scratch2, z80_size(inst));
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	1022 } else if (src_op.mode == MODE_IMMED) {
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	1023 xor_ir(code, src_op.disp, opts->gen.scratch2, z80_size(inst));
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	1024 } else {
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	1025 xor_rdispr(code, src_op.base, src_op.disp, opts->gen.scratch2, z80_size(inst));
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	1026 }
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	1027 if (dst_op.mode == MODE_REG_DIRECT) {
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1028 if (src_op.mode == MODE_REG_DIRECT) {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1029 sub_rr(code, src_op.base, dst_op.base, z80_size(inst));
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1030 } else if (src_op.mode == MODE_IMMED) {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1031 sub_ir(code, src_op.disp, dst_op.base, z80_size(inst));
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1032 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1033 sub_rdispr(code, src_op.base, src_op.disp, dst_op.base, z80_size(inst));
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1034 }
1049 ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	1035 if (z80_size(inst) == SZ_B) {
ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	1036 mov_rrdisp(code, dst_op.base, opts->gen.context_reg, zf_off(ZF_XY), SZ_B);
ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	1037 }
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	1038 } else {
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1039 if (src_op.mode == MODE_REG_DIRECT) {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1040 sub_rrdisp(code, src_op.base, dst_op.base, dst_op.disp, z80_size(inst));
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1041 } else if (src_op.mode == MODE_IMMED) {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1042 sub_irdisp(code, src_op.disp, dst_op.base, dst_op.disp, z80_size(inst));
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1043 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1044 mov_rdispr(code, src_op.base, src_op.disp, opts->gen.scratch1, z80_size(inst));
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1045 sub_rrdisp(code, opts->gen.scratch1, dst_op.base, dst_op.disp, z80_size(inst));
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1046 }
1049 ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	1047 mov_rdispr(code, dst_op.base, dst_op.disp + z80_size(inst) == SZ_B ? 0 : 8, opts->gen.scratch1, SZ_B);
ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	1048 mov_rrdisp(code, opts->gen.scratch1, opts->gen.context_reg, zf_off(ZF_XY), SZ_B);
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	1049 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1050 setcc_rdisp(code, CC_C, opts->gen.context_reg, zf_off(ZF_C));
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1051 mov_irdisp(code, 1, opts->gen.context_reg, zf_off(ZF_N), SZ_B);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1052 setcc_rdisp(code, CC_O, opts->gen.context_reg, zf_off(ZF_PV));
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1053 setcc_rdisp(code, CC_Z, opts->gen.context_reg, zf_off(ZF_Z));
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1054 setcc_rdisp(code, CC_S, opts->gen.context_reg, zf_off(ZF_S));
1046 a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	1055 if (dst_op.mode == MODE_REG_DIRECT) {
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	1056 xor_rr(code, dst_op.base, opts->gen.scratch2, z80_size(inst));
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	1057 } else {
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	1058 xor_rdispr(code, dst_op.base, dst_op.disp, opts->gen.scratch2, z80_size(inst));
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	1059 }
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	1060 bt_ir(code, z80_size(inst) == SZ_B ? 4 : 12, opts->gen.scratch2, z80_size(inst));
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	1061 setcc_rdisp(code, CC_C, opts->gen.context_reg, zf_off(ZF_H));
1049 ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	1062 if (z80_size(inst) == SZ_W & dst_op.mode == MODE_REG_DIRECT) {
ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	1063 mov_rr(code, dst_op.base, opts->gen.scratch2, SZ_W);
ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	1064 shr_ir(code, 8, opts->gen.scratch2, SZ_W);
ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	1065 mov_rrdisp(code, opts->gen.scratch2, opts->gen.context_reg, zf_off(ZF_XY), SZ_B);
ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	1066 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1067 z80_save_reg(inst, opts);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1068 z80_save_ea(code, inst, opts);
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	1069 break;
248 9c7a3db7bcd0 Implement ADC and SBC in Z80 core (untested) Mike Pavone <pavone@retrodev.com> parents: 247 diff changeset	1070 case Z80_SBC:
9c7a3db7bcd0 Implement ADC and SBC in Z80 core (untested) Mike Pavone <pavone@retrodev.com> parents: 247 diff changeset	1071 if (inst->addr_mode == Z80_IX_DISPLACE \|\| inst->addr_mode == Z80_IY_DISPLACE) {
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	1072 num_cycles += 8;
248 9c7a3db7bcd0 Implement ADC and SBC in Z80 core (untested) Mike Pavone <pavone@retrodev.com> parents: 247 diff changeset	1073 } else if(inst->addr_mode == Z80_IMMED) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1074 num_cycles += 3;
248 9c7a3db7bcd0 Implement ADC and SBC in Z80 core (untested) Mike Pavone <pavone@retrodev.com> parents: 247 diff changeset	1075 } else if(z80_size(inst) == SZ_W) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1076 num_cycles += 4;
248 9c7a3db7bcd0 Implement ADC and SBC in Z80 core (untested) Mike Pavone <pavone@retrodev.com> parents: 247 diff changeset	1077 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1078 cycles(&opts->gen, num_cycles);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1079 translate_z80_reg(inst, &dst_op, opts);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1080 translate_z80_ea(inst, &src_op, opts, READ, DONT_MODIFY);
1046 a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	1081 if (dst_op.mode == MODE_REG_DIRECT) {
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	1082 mov_rr(code, dst_op.base, opts->gen.scratch2, z80_size(inst));
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	1083 } else {
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	1084 mov_rdispr(code, dst_op.base, dst_op.disp, opts->gen.scratch2, z80_size(inst));
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	1085 }
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	1086 if (src_op.mode == MODE_REG_DIRECT) {
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	1087 xor_rr(code, src_op.base, opts->gen.scratch2, z80_size(inst));
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	1088 } else if (src_op.mode == MODE_IMMED) {
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	1089 xor_ir(code, src_op.disp, opts->gen.scratch2, z80_size(inst));
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	1090 } else {
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	1091 xor_rdispr(code, src_op.base, src_op.disp, opts->gen.scratch2, z80_size(inst));
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	1092 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1093 bt_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_C), SZ_B);
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1094 if (dst_op.mode == MODE_REG_DIRECT) {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1095 if (src_op.mode == MODE_REG_DIRECT) {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1096 sbb_rr(code, src_op.base, dst_op.base, z80_size(inst));
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1097 } else if (src_op.mode == MODE_IMMED) {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1098 sbb_ir(code, src_op.disp, dst_op.base, z80_size(inst));
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1099 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1100 sbb_rdispr(code, src_op.base, src_op.disp, dst_op.base, z80_size(inst));
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1101 }
1049 ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	1102 if (z80_size(inst) == SZ_B) {
ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	1103 mov_rrdisp(code, dst_op.base, opts->gen.context_reg, zf_off(ZF_XY), SZ_B);
ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	1104 }
248 9c7a3db7bcd0 Implement ADC and SBC in Z80 core (untested) Mike Pavone <pavone@retrodev.com> parents: 247 diff changeset	1105 } else {
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1106 if (src_op.mode == MODE_REG_DIRECT) {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1107 sbb_rrdisp(code, src_op.base, dst_op.base, dst_op.disp, z80_size(inst));
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1108 } else if (src_op.mode == MODE_IMMED) {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1109 sbb_irdisp(code, src_op.disp, dst_op.base, dst_op.disp, z80_size(inst));
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1110 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1111 mov_rdispr(code, src_op.base, src_op.disp, opts->gen.scratch1, z80_size(inst));
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1112 sbb_rrdisp(code, opts->gen.scratch1, dst_op.base, dst_op.disp, z80_size(inst));
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1113 }
1049 ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	1114 mov_rdispr(code, dst_op.base, dst_op.disp + z80_size(inst) == SZ_B ? 0 : 8, opts->gen.scratch1, SZ_B);
ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	1115 mov_rrdisp(code, opts->gen.scratch1, opts->gen.context_reg, zf_off(ZF_XY), SZ_B);
248 9c7a3db7bcd0 Implement ADC and SBC in Z80 core (untested) Mike Pavone <pavone@retrodev.com> parents: 247 diff changeset	1116 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1117 setcc_rdisp(code, CC_C, opts->gen.context_reg, zf_off(ZF_C));
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1118 mov_irdisp(code, 1, opts->gen.context_reg, zf_off(ZF_N), SZ_B);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1119 setcc_rdisp(code, CC_O, opts->gen.context_reg, zf_off(ZF_PV));
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1120 setcc_rdisp(code, CC_Z, opts->gen.context_reg, zf_off(ZF_Z));
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1121 setcc_rdisp(code, CC_S, opts->gen.context_reg, zf_off(ZF_S));
1046 a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	1122 if (dst_op.mode == MODE_REG_DIRECT) {
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	1123 xor_rr(code, dst_op.base, opts->gen.scratch2, z80_size(inst));
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	1124 } else {
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	1125 xor_rdispr(code, dst_op.base, dst_op.disp, opts->gen.scratch2, z80_size(inst));
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	1126 }
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	1127 bt_ir(code, z80_size(inst) == SZ_B ? 4 : 12, opts->gen.scratch2, z80_size(inst));
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	1128 setcc_rdisp(code, CC_C, opts->gen.context_reg, zf_off(ZF_H));
1049 ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	1129 if (z80_size(inst) == SZ_W & dst_op.mode == MODE_REG_DIRECT) {
ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	1130 mov_rr(code, dst_op.base, opts->gen.scratch2, SZ_W);
ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	1131 shr_ir(code, 8, opts->gen.scratch2, SZ_W);
ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	1132 mov_rrdisp(code, opts->gen.scratch2, opts->gen.context_reg, zf_off(ZF_XY), SZ_B);
ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	1133 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1134 z80_save_reg(inst, opts);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1135 z80_save_ea(code, inst, opts);
248 9c7a3db7bcd0 Implement ADC and SBC in Z80 core (untested) Mike Pavone <pavone@retrodev.com> parents: 247 diff changeset	1136 break;
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	1137 case Z80_AND:
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1138 if (inst->addr_mode == Z80_IX_DISPLACE \|\| inst->addr_mode == Z80_IY_DISPLACE) {
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	1139 num_cycles += 8;
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1140 } else if(inst->addr_mode == Z80_IMMED) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1141 num_cycles += 3;
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1142 } else if(z80_size(inst) == SZ_W) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1143 num_cycles += 4;
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1144 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1145 cycles(&opts->gen, num_cycles);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1146 translate_z80_reg(inst, &dst_op, opts);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1147 translate_z80_ea(inst, &src_op, opts, READ, DONT_MODIFY);
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1148 if (src_op.mode == MODE_REG_DIRECT) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1149 and_rr(code, src_op.base, dst_op.base, z80_size(inst));
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1150 } else if (src_op.mode == MODE_IMMED) {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1151 and_ir(code, src_op.disp, dst_op.base, z80_size(inst));
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1152 } else {
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1153 and_rdispr(code, src_op.base, src_op.disp, dst_op.base, z80_size(inst));
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1154 }
1049 ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	1155 mov_rrdisp(code, dst_op.base, opts->gen.context_reg, zf_off(ZF_XY), SZ_B);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1156 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_N), SZ_B);
1042 a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case Michael Pavone <pavone@retrodev.com> parents: 1040 diff changeset	1157 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_C), SZ_B);
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case Michael Pavone <pavone@retrodev.com> parents: 1040 diff changeset	1158 mov_irdisp(code, 1, opts->gen.context_reg, zf_off(ZF_H), SZ_B);
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case Michael Pavone <pavone@retrodev.com> parents: 1040 diff changeset	1159 setcc_rdisp(code, CC_P, opts->gen.context_reg, zf_off(ZF_PV));
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case Michael Pavone <pavone@retrodev.com> parents: 1040 diff changeset	1160 setcc_rdisp(code, CC_Z, opts->gen.context_reg, zf_off(ZF_Z));
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case Michael Pavone <pavone@retrodev.com> parents: 1040 diff changeset	1161 setcc_rdisp(code, CC_S, opts->gen.context_reg, zf_off(ZF_S));
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1162 z80_save_reg(inst, opts);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1163 z80_save_ea(code, inst, opts);
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1164 break;
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	1165 case Z80_OR:
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1166 if (inst->addr_mode == Z80_IX_DISPLACE \|\| inst->addr_mode == Z80_IY_DISPLACE) {
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	1167 num_cycles += 8;
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1168 } else if(inst->addr_mode == Z80_IMMED) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1169 num_cycles += 3;
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1170 } else if(z80_size(inst) == SZ_W) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1171 num_cycles += 4;
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1172 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1173 cycles(&opts->gen, num_cycles);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1174 translate_z80_reg(inst, &dst_op, opts);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1175 translate_z80_ea(inst, &src_op, opts, READ, DONT_MODIFY);
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1176 if (src_op.mode == MODE_REG_DIRECT) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1177 or_rr(code, src_op.base, dst_op.base, z80_size(inst));
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1178 } else if (src_op.mode == MODE_IMMED) {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1179 or_ir(code, src_op.disp, dst_op.base, z80_size(inst));
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1180 } else {
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1181 or_rdispr(code, src_op.base, src_op.disp, dst_op.base, z80_size(inst));
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1182 }
1049 ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	1183 mov_rrdisp(code, dst_op.base, opts->gen.context_reg, zf_off(ZF_XY), SZ_B);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1184 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_N), SZ_B);
1042 a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case Michael Pavone <pavone@retrodev.com> parents: 1040 diff changeset	1185 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_C), SZ_B);
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case Michael Pavone <pavone@retrodev.com> parents: 1040 diff changeset	1186 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_H), SZ_B);
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case Michael Pavone <pavone@retrodev.com> parents: 1040 diff changeset	1187 setcc_rdisp(code, CC_P, opts->gen.context_reg, zf_off(ZF_PV));
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case Michael Pavone <pavone@retrodev.com> parents: 1040 diff changeset	1188 setcc_rdisp(code, CC_Z, opts->gen.context_reg, zf_off(ZF_Z));
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case Michael Pavone <pavone@retrodev.com> parents: 1040 diff changeset	1189 setcc_rdisp(code, CC_S, opts->gen.context_reg, zf_off(ZF_S));
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1190 z80_save_reg(inst, opts);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1191 z80_save_ea(code, inst, opts);
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1192 break;
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	1193 case Z80_XOR:
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1194 if (inst->addr_mode == Z80_IX_DISPLACE \|\| inst->addr_mode == Z80_IY_DISPLACE) {
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	1195 num_cycles += 8;
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1196 } else if(inst->addr_mode == Z80_IMMED) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1197 num_cycles += 3;
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1198 } else if(z80_size(inst) == SZ_W) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1199 num_cycles += 4;
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1200 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1201 cycles(&opts->gen, num_cycles);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1202 translate_z80_reg(inst, &dst_op, opts);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1203 translate_z80_ea(inst, &src_op, opts, READ, DONT_MODIFY);
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1204 if (src_op.mode == MODE_REG_DIRECT) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1205 xor_rr(code, src_op.base, dst_op.base, z80_size(inst));
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1206 } else if (src_op.mode == MODE_IMMED) {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1207 xor_ir(code, src_op.disp, dst_op.base, z80_size(inst));
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1208 } else {
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1209 xor_rdispr(code, src_op.base, src_op.disp, dst_op.base, z80_size(inst));
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1210 }
1049 ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	1211 mov_rrdisp(code, dst_op.base, opts->gen.context_reg, zf_off(ZF_XY), SZ_B);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1212 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_N), SZ_B);
1042 a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case Michael Pavone <pavone@retrodev.com> parents: 1040 diff changeset	1213 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_C), SZ_B);
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case Michael Pavone <pavone@retrodev.com> parents: 1040 diff changeset	1214 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_H), SZ_B);
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case Michael Pavone <pavone@retrodev.com> parents: 1040 diff changeset	1215 setcc_rdisp(code, CC_P, opts->gen.context_reg, zf_off(ZF_PV));
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case Michael Pavone <pavone@retrodev.com> parents: 1040 diff changeset	1216 setcc_rdisp(code, CC_Z, opts->gen.context_reg, zf_off(ZF_Z));
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case Michael Pavone <pavone@retrodev.com> parents: 1040 diff changeset	1217 setcc_rdisp(code, CC_S, opts->gen.context_reg, zf_off(ZF_S));
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1218 z80_save_reg(inst, opts);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1219 z80_save_ea(code, inst, opts);
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1220 break;
242 d3b84b2a4397 Implemente CP (untested) Mike Pavone <pavone@retrodev.com> parents: 241 diff changeset	1221 case Z80_CP:
d3b84b2a4397 Implemente CP (untested) Mike Pavone <pavone@retrodev.com> parents: 241 diff changeset	1222 if (inst->addr_mode == Z80_IX_DISPLACE \|\| inst->addr_mode == Z80_IY_DISPLACE) {
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	1223 num_cycles += 8;
242 d3b84b2a4397 Implemente CP (untested) Mike Pavone <pavone@retrodev.com> parents: 241 diff changeset	1224 } else if(inst->addr_mode == Z80_IMMED) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1225 num_cycles += 3;
242 d3b84b2a4397 Implemente CP (untested) Mike Pavone <pavone@retrodev.com> parents: 241 diff changeset	1226 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1227 cycles(&opts->gen, num_cycles);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1228 translate_z80_reg(inst, &dst_op, opts);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1229 translate_z80_ea(inst, &src_op, opts, READ, DONT_MODIFY);
1046 a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	1230 mov_rr(code, dst_op.base, opts->gen.scratch2, z80_size(inst));
242 d3b84b2a4397 Implemente CP (untested) Mike Pavone <pavone@retrodev.com> parents: 241 diff changeset	1231 if (src_op.mode == MODE_REG_DIRECT) {
1046 a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	1232 sub_rr(code, src_op.base, opts->gen.scratch2, z80_size(inst));
1049 ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	1233 mov_rrdisp(code, src_op.base, opts->gen.context_reg, zf_off(ZF_XY), SZ_B);
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1234 } else if (src_op.mode == MODE_IMMED) {
1046 a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	1235 sub_ir(code, src_op.disp, opts->gen.scratch2, z80_size(inst));
1049 ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	1236 mov_irdisp(code, src_op.disp, opts->gen.context_reg, zf_off(ZF_XY), SZ_B);
242 d3b84b2a4397 Implemente CP (untested) Mike Pavone <pavone@retrodev.com> parents: 241 diff changeset	1237 } else {
1046 a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	1238 sub_rdispr(code, src_op.base, src_op.disp, opts->gen.scratch2, z80_size(inst));
1049 ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	1239 mov_rdispr(code, src_op.base, src_op.disp, opts->gen.scratch1, SZ_B);
ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	1240 mov_rrdisp(code, opts->gen.scratch1, opts->gen.context_reg, zf_off(ZF_XY), SZ_B);
242 d3b84b2a4397 Implemente CP (untested) Mike Pavone <pavone@retrodev.com> parents: 241 diff changeset	1241 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1242 setcc_rdisp(code, CC_C, opts->gen.context_reg, zf_off(ZF_C));
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1243 mov_irdisp(code, 1, opts->gen.context_reg, zf_off(ZF_N), SZ_B);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1244 setcc_rdisp(code, CC_O, opts->gen.context_reg, zf_off(ZF_PV));
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1245 setcc_rdisp(code, CC_Z, opts->gen.context_reg, zf_off(ZF_Z));
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1246 setcc_rdisp(code, CC_S, opts->gen.context_reg, zf_off(ZF_S));
1046 a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	1247 xor_rr(code, dst_op.base, opts->gen.scratch2, z80_size(inst));
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	1248 if (src_op.mode == MODE_REG_DIRECT) {
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	1249 xor_rr(code, src_op.base, opts->gen.scratch2, z80_size(inst));
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	1250 } else if (src_op.mode == MODE_IMMED) {
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	1251 xor_ir(code, src_op.disp, opts->gen.scratch2, z80_size(inst));
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	1252 } else {
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	1253 xor_rdispr(code, src_op.base, src_op.disp, opts->gen.scratch2, z80_size(inst));
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	1254 }
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	1255 bt_ir(code, 4, opts->gen.scratch2, SZ_B);
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	1256 setcc_rdisp(code, CC_C, opts->gen.context_reg, zf_off(ZF_H));
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1257 z80_save_reg(inst, opts);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1258 z80_save_ea(code, inst, opts);
242 d3b84b2a4397 Implemente CP (untested) Mike Pavone <pavone@retrodev.com> parents: 241 diff changeset	1259 break;
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	1260 case Z80_INC:
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1261 case Z80_DEC:
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	1262 if(z80_size(inst) == SZ_W) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1263 num_cycles += 2;
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1264 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1265 cycles(&opts->gen, num_cycles);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1266 translate_z80_reg(inst, &dst_op, opts);
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1267 if (dst_op.mode == MODE_UNUSED) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1268 translate_z80_ea(inst, &dst_op, opts, READ, MODIFY);
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1269 }
1045 e0489abfdab0 Implement half-carry for INC, DEC and NEG Michael Pavone <pavone@retrodev.com> parents: 1044 diff changeset	1270 if (z80_size(inst) == SZ_B) {
e0489abfdab0 Implement half-carry for INC, DEC and NEG Michael Pavone <pavone@retrodev.com> parents: 1044 diff changeset	1271 if (dst_op.mode == MODE_REG_DIRECT) {
e0489abfdab0 Implement half-carry for INC, DEC and NEG Michael Pavone <pavone@retrodev.com> parents: 1044 diff changeset	1272 if (dst_op.base >= AH && dst_op.base <= BH) {
e0489abfdab0 Implement half-carry for INC, DEC and NEG Michael Pavone <pavone@retrodev.com> parents: 1044 diff changeset	1273 mov_rr(code, dst_op.base - AH, opts->gen.scratch2, SZ_W);
e0489abfdab0 Implement half-carry for INC, DEC and NEG Michael Pavone <pavone@retrodev.com> parents: 1044 diff changeset	1274 } else {
e0489abfdab0 Implement half-carry for INC, DEC and NEG Michael Pavone <pavone@retrodev.com> parents: 1044 diff changeset	1275 mov_rr(code, dst_op.base, opts->gen.scratch2, SZ_B);
e0489abfdab0 Implement half-carry for INC, DEC and NEG Michael Pavone <pavone@retrodev.com> parents: 1044 diff changeset	1276 }
e0489abfdab0 Implement half-carry for INC, DEC and NEG Michael Pavone <pavone@retrodev.com> parents: 1044 diff changeset	1277 } else {
e0489abfdab0 Implement half-carry for INC, DEC and NEG Michael Pavone <pavone@retrodev.com> parents: 1044 diff changeset	1278 mov_rdispr(code, dst_op.base, dst_op.disp, opts->gen.scratch2, SZ_B);
e0489abfdab0 Implement half-carry for INC, DEC and NEG Michael Pavone <pavone@retrodev.com> parents: 1044 diff changeset	1279 }
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1280 }
1045 e0489abfdab0 Implement half-carry for INC, DEC and NEG Michael Pavone <pavone@retrodev.com> parents: 1044 diff changeset	1281 if (inst->op == Z80_INC) {
e0489abfdab0 Implement half-carry for INC, DEC and NEG Michael Pavone <pavone@retrodev.com> parents: 1044 diff changeset	1282 if (dst_op.mode == MODE_REG_DIRECT) {
e0489abfdab0 Implement half-carry for INC, DEC and NEG Michael Pavone <pavone@retrodev.com> parents: 1044 diff changeset	1283 add_ir(code, 1, dst_op.base, z80_size(inst));
e0489abfdab0 Implement half-carry for INC, DEC and NEG Michael Pavone <pavone@retrodev.com> parents: 1044 diff changeset	1284 } else {
e0489abfdab0 Implement half-carry for INC, DEC and NEG Michael Pavone <pavone@retrodev.com> parents: 1044 diff changeset	1285 add_irdisp(code, 1, dst_op.base, dst_op.disp, z80_size(inst));
e0489abfdab0 Implement half-carry for INC, DEC and NEG Michael Pavone <pavone@retrodev.com> parents: 1044 diff changeset	1286 }
e0489abfdab0 Implement half-carry for INC, DEC and NEG Michael Pavone <pavone@retrodev.com> parents: 1044 diff changeset	1287 } else {
e0489abfdab0 Implement half-carry for INC, DEC and NEG Michael Pavone <pavone@retrodev.com> parents: 1044 diff changeset	1288 if (dst_op.mode == MODE_REG_DIRECT) {
e0489abfdab0 Implement half-carry for INC, DEC and NEG Michael Pavone <pavone@retrodev.com> parents: 1044 diff changeset	1289 sub_ir(code, 1, dst_op.base, z80_size(inst));
e0489abfdab0 Implement half-carry for INC, DEC and NEG Michael Pavone <pavone@retrodev.com> parents: 1044 diff changeset	1290 } else {
e0489abfdab0 Implement half-carry for INC, DEC and NEG Michael Pavone <pavone@retrodev.com> parents: 1044 diff changeset	1291 sub_irdisp(code, 1, dst_op.base, dst_op.disp, z80_size(inst));
e0489abfdab0 Implement half-carry for INC, DEC and NEG Michael Pavone <pavone@retrodev.com> parents: 1044 diff changeset	1292 }
e0489abfdab0 Implement half-carry for INC, DEC and NEG Michael Pavone <pavone@retrodev.com> parents: 1044 diff changeset	1293 }
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1294 if (z80_size(inst) == SZ_B) {
1045 e0489abfdab0 Implement half-carry for INC, DEC and NEG Michael Pavone <pavone@retrodev.com> parents: 1044 diff changeset	1295 mov_irdisp(code, inst->op == Z80_DEC, opts->gen.context_reg, zf_off(ZF_N), SZ_B);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1296 setcc_rdisp(code, CC_O, opts->gen.context_reg, zf_off(ZF_PV));
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1297 setcc_rdisp(code, CC_Z, opts->gen.context_reg, zf_off(ZF_Z));
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1298 setcc_rdisp(code, CC_S, opts->gen.context_reg, zf_off(ZF_S));
1045 e0489abfdab0 Implement half-carry for INC, DEC and NEG Michael Pavone <pavone@retrodev.com> parents: 1044 diff changeset	1299 int bit = 4;
e0489abfdab0 Implement half-carry for INC, DEC and NEG Michael Pavone <pavone@retrodev.com> parents: 1044 diff changeset	1300 if (dst_op.mode == MODE_REG_DIRECT) {
1049 ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	1301 mov_rrdisp(code, dst_op.base, opts->gen.context_reg, zf_off(ZF_XY), SZ_B);
1045 e0489abfdab0 Implement half-carry for INC, DEC and NEG Michael Pavone <pavone@retrodev.com> parents: 1044 diff changeset	1302 if (dst_op.base >= AH && dst_op.base <= BH) {
e0489abfdab0 Implement half-carry for INC, DEC and NEG Michael Pavone <pavone@retrodev.com> parents: 1044 diff changeset	1303 bit = 12;
e0489abfdab0 Implement half-carry for INC, DEC and NEG Michael Pavone <pavone@retrodev.com> parents: 1044 diff changeset	1304 xor_rr(code, dst_op.base - AH, opts->gen.scratch2, SZ_W);
e0489abfdab0 Implement half-carry for INC, DEC and NEG Michael Pavone <pavone@retrodev.com> parents: 1044 diff changeset	1305 } else {
e0489abfdab0 Implement half-carry for INC, DEC and NEG Michael Pavone <pavone@retrodev.com> parents: 1044 diff changeset	1306 xor_rr(code, dst_op.base, opts->gen.scratch2, SZ_B);
e0489abfdab0 Implement half-carry for INC, DEC and NEG Michael Pavone <pavone@retrodev.com> parents: 1044 diff changeset	1307 }
e0489abfdab0 Implement half-carry for INC, DEC and NEG Michael Pavone <pavone@retrodev.com> parents: 1044 diff changeset	1308 } else {
1049 ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	1309 mov_rdispr(code, dst_op.base, dst_op.disp, opts->gen.scratch1, SZ_B);
1045 e0489abfdab0 Implement half-carry for INC, DEC and NEG Michael Pavone <pavone@retrodev.com> parents: 1044 diff changeset	1310 xor_rdispr(code, dst_op.base, dst_op.disp, opts->gen.scratch2, SZ_B);
1049 ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	1311 mov_rrdisp(code, opts->gen.scratch1, opts->gen.context_reg, zf_off(ZF_XY), SZ_B);
1045 e0489abfdab0 Implement half-carry for INC, DEC and NEG Michael Pavone <pavone@retrodev.com> parents: 1044 diff changeset	1312 }
e0489abfdab0 Implement half-carry for INC, DEC and NEG Michael Pavone <pavone@retrodev.com> parents: 1044 diff changeset	1313 bt_ir(code, bit, opts->gen.scratch2, SZ_W);
e0489abfdab0 Implement half-carry for INC, DEC and NEG Michael Pavone <pavone@retrodev.com> parents: 1044 diff changeset	1314 setcc_rdisp(code, CC_C, opts->gen.context_reg, zf_off(ZF_H));
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1315 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1316 z80_save_reg(inst, opts);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1317 z80_save_ea(code, inst, opts);
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	1318 z80_save_result(opts, inst);
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	1319 break;
1046 a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	1320 case Z80_DAA: {
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	1321 cycles(&opts->gen, num_cycles);
1042 a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case Michael Pavone <pavone@retrodev.com> parents: 1040 diff changeset	1322 xor_rr(code, opts->gen.scratch2, opts->gen.scratch2, SZ_B);
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case Michael Pavone <pavone@retrodev.com> parents: 1040 diff changeset	1323 zreg_to_native(opts, Z80_A, opts->gen.scratch1);
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case Michael Pavone <pavone@retrodev.com> parents: 1040 diff changeset	1324 and_ir(code, 0xF, opts->gen.scratch1, SZ_B);
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case Michael Pavone <pavone@retrodev.com> parents: 1040 diff changeset	1325 cmp_ir(code, 0xA, opts->gen.scratch1, SZ_B);
1046 a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	1326 mov_ir(code, 0xA0, opts->gen.scratch1, SZ_B);
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	1327 code_ptr corf_low_range = code->cur + 1;
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	1328 jcc(code, CC_NC, code->cur+2);
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	1329 cmp_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_H), SZ_B);
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	1330 code_ptr corf_low = code->cur + 1;
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	1331 jcc(code, CC_NZ, code->cur+2);
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	1332 code_ptr no_corf_low = code->cur + 1;
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	1333 jmp(code, code->cur + 2);
1042 a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case Michael Pavone <pavone@retrodev.com> parents: 1040 diff changeset	1334
1046 a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	1335 *corf_low_range = code->cur - (corf_low_range + 1);
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	1336 mov_ir(code, 0x90, opts->gen.scratch1, SZ_B);
1042 a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case Michael Pavone <pavone@retrodev.com> parents: 1040 diff changeset	1337 *corf_low = code->cur - (corf_low + 1);
1046 a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	1338 mov_ir(code, 0x06, opts->gen.scratch2, SZ_B);
1042 a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case Michael Pavone <pavone@retrodev.com> parents: 1040 diff changeset	1339
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case Michael Pavone <pavone@retrodev.com> parents: 1040 diff changeset	1340 *no_corf_low = code->cur - (no_corf_low + 1);
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case Michael Pavone <pavone@retrodev.com> parents: 1040 diff changeset	1341 cmp_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_C), SZ_B);
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case Michael Pavone <pavone@retrodev.com> parents: 1040 diff changeset	1342 code_ptr corf_high = code->cur+1;
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case Michael Pavone <pavone@retrodev.com> parents: 1040 diff changeset	1343 jcc(code, CC_NZ, code->cur+2);
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case Michael Pavone <pavone@retrodev.com> parents: 1040 diff changeset	1344 cmp_rr(code, opts->gen.scratch1, opts->regs[Z80_A], SZ_B);
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case Michael Pavone <pavone@retrodev.com> parents: 1040 diff changeset	1345 code_ptr no_corf_high = code->cur+1;
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case Michael Pavone <pavone@retrodev.com> parents: 1040 diff changeset	1346 jcc(code, CC_C, code->cur+2);
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case Michael Pavone <pavone@retrodev.com> parents: 1040 diff changeset	1347 *corf_high = code->cur - (corf_high + 1);
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case Michael Pavone <pavone@retrodev.com> parents: 1040 diff changeset	1348 or_ir(code, 0x60, opts->gen.scratch2, SZ_B);
1046 a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	1349 mov_irdisp(code, 1, opts->gen.context_reg, zf_off(ZF_C), SZ_B);
1042 a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case Michael Pavone <pavone@retrodev.com> parents: 1040 diff changeset	1350 *no_corf_high = code->cur - (no_corf_high + 1);
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case Michael Pavone <pavone@retrodev.com> parents: 1040 diff changeset	1351
1046 a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	1352 mov_rr(code, opts->regs[Z80_A], opts->gen.scratch1, SZ_B);
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	1353 xor_rr(code, opts->gen.scratch2, opts->gen.scratch1, SZ_B);
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	1354
1042 a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case Michael Pavone <pavone@retrodev.com> parents: 1040 diff changeset	1355 cmp_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_N), SZ_B);
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case Michael Pavone <pavone@retrodev.com> parents: 1040 diff changeset	1356 code_ptr not_sub = code->cur+1;
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case Michael Pavone <pavone@retrodev.com> parents: 1040 diff changeset	1357 jcc(code, CC_Z, code->cur+2);
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case Michael Pavone <pavone@retrodev.com> parents: 1040 diff changeset	1358 neg_r(code, opts->gen.scratch2, SZ_B);
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case Michael Pavone <pavone@retrodev.com> parents: 1040 diff changeset	1359 *not_sub = code->cur - (not_sub + 1);
1046 a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	1360
1042 a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case Michael Pavone <pavone@retrodev.com> parents: 1040 diff changeset	1361 add_rr(code, opts->gen.scratch2, opts->regs[Z80_A], SZ_B);
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case Michael Pavone <pavone@retrodev.com> parents: 1040 diff changeset	1362 setcc_rdisp(code, CC_Z, opts->gen.context_reg, zf_off(ZF_Z));
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case Michael Pavone <pavone@retrodev.com> parents: 1040 diff changeset	1363 setcc_rdisp(code, CC_S, opts->gen.context_reg, zf_off(ZF_S));
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case Michael Pavone <pavone@retrodev.com> parents: 1040 diff changeset	1364 setcc_rdisp(code, CC_P, opts->gen.context_reg, zf_off(ZF_PV));
1046 a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	1365 xor_rr(code, opts->regs[Z80_A], opts->gen.scratch1, SZ_B);
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	1366 bt_ir(code, 4, opts->gen.scratch1, SZ_B);
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	1367 setcc_rdisp(code, CC_C, opts->gen.context_reg, zf_off(ZF_H));
1050 d06c947a9a77 Implement undoumented flag bits for DAA, CPL, SCF and CCF Michael Pavone <pavone@retrodev.com> parents: 1049 diff changeset	1368 mov_rrdisp(code, opts->regs[Z80_A], opts->gen.context_reg, zf_off(ZF_XY), SZ_B);
1042 a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case Michael Pavone <pavone@retrodev.com> parents: 1040 diff changeset	1369 break;
1046 a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	1370 }
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	1371 case Z80_CPL:
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	1372 cycles(&opts->gen, num_cycles);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1373 not_r(code, opts->regs[Z80_A], SZ_B);
1042 a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case Michael Pavone <pavone@retrodev.com> parents: 1040 diff changeset	1374 mov_irdisp(code, 1, opts->gen.context_reg, zf_off(ZF_H), SZ_B);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1375 mov_irdisp(code, 1, opts->gen.context_reg, zf_off(ZF_N), SZ_B);
1050 d06c947a9a77 Implement undoumented flag bits for DAA, CPL, SCF and CCF Michael Pavone <pavone@retrodev.com> parents: 1049 diff changeset	1376 mov_rrdisp(code, opts->regs[Z80_A], opts->gen.context_reg, zf_off(ZF_XY), SZ_B);
274 be2b845d3e94 Implement CPL and NEG (untested) Mike Pavone <pavone@retrodev.com> parents: 273 diff changeset	1377 break;
be2b845d3e94 Implement CPL and NEG (untested) Mike Pavone <pavone@retrodev.com> parents: 273 diff changeset	1378 case Z80_NEG:
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	1379 cycles(&opts->gen, num_cycles);
1045 e0489abfdab0 Implement half-carry for INC, DEC and NEG Michael Pavone <pavone@retrodev.com> parents: 1044 diff changeset	1380 mov_rr(code, opts->regs[Z80_A], opts->gen.scratch2, SZ_B);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1381 neg_r(code, opts->regs[Z80_A], SZ_B);
1056 47c748455365 Fixed bug introduced in NEG with addition of undocumented flags Michael Pavone <pavone@retrodev.com> parents: 1055 diff changeset	1382 mov_rrdisp(code, opts->regs[Z80_A], opts->gen.context_reg, zf_off(ZF_XY), SZ_B);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1383 setcc_rdisp(code, CC_Z, opts->gen.context_reg, zf_off(ZF_Z));
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1384 setcc_rdisp(code, CC_S, opts->gen.context_reg, zf_off(ZF_S));
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1385 setcc_rdisp(code, CC_C, opts->gen.context_reg, zf_off(ZF_C));
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1386 setcc_rdisp(code, CC_O, opts->gen.context_reg, zf_off(ZF_PV));
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1387 mov_irdisp(code, 1, opts->gen.context_reg, zf_off(ZF_N), SZ_B);
1045 e0489abfdab0 Implement half-carry for INC, DEC and NEG Michael Pavone <pavone@retrodev.com> parents: 1044 diff changeset	1388 xor_rr(code, opts->regs[Z80_A], opts->gen.scratch2, SZ_B);
e0489abfdab0 Implement half-carry for INC, DEC and NEG Michael Pavone <pavone@retrodev.com> parents: 1044 diff changeset	1389 bt_ir(code, 4, opts->gen.scratch2, SZ_B);
e0489abfdab0 Implement half-carry for INC, DEC and NEG Michael Pavone <pavone@retrodev.com> parents: 1044 diff changeset	1390 setcc_rdisp(code, CC_C, opts->gen.context_reg, zf_off(ZF_H));
274 be2b845d3e94 Implement CPL and NEG (untested) Mike Pavone <pavone@retrodev.com> parents: 273 diff changeset	1391 break;
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	1392 case Z80_CCF:
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	1393 cycles(&opts->gen, num_cycles);
1042 a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case Michael Pavone <pavone@retrodev.com> parents: 1040 diff changeset	1394 mov_rdispr(code, opts->gen.context_reg, zf_off(ZF_C), opts->gen.scratch1, SZ_B);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1395 xor_irdisp(code, 1, opts->gen.context_reg, zf_off(ZF_C), SZ_B);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1396 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_N), SZ_B);
1042 a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case Michael Pavone <pavone@retrodev.com> parents: 1040 diff changeset	1397 mov_rrdisp(code, opts->gen.scratch1, opts->gen.context_reg, zf_off(ZF_H), SZ_B);
1050 d06c947a9a77 Implement undoumented flag bits for DAA, CPL, SCF and CCF Michael Pavone <pavone@retrodev.com> parents: 1049 diff changeset	1398 mov_rrdisp(code, opts->regs[Z80_A], opts->gen.context_reg, zf_off(ZF_XY), SZ_B);
257 4c7933444df4 Implement CCF and SCF Mike Pavone <pavone@retrodev.com> parents: 255 diff changeset	1399 break;
4c7933444df4 Implement CCF and SCF Mike Pavone <pavone@retrodev.com> parents: 255 diff changeset	1400 case Z80_SCF:
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	1401 cycles(&opts->gen, num_cycles);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1402 mov_irdisp(code, 1, opts->gen.context_reg, zf_off(ZF_C), SZ_B);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1403 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_N), SZ_B);
1042 a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case Michael Pavone <pavone@retrodev.com> parents: 1040 diff changeset	1404 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_H), SZ_B);
1050 d06c947a9a77 Implement undoumented flag bits for DAA, CPL, SCF and CCF Michael Pavone <pavone@retrodev.com> parents: 1049 diff changeset	1405 mov_rrdisp(code, opts->regs[Z80_A], opts->gen.context_reg, zf_off(ZF_XY), SZ_B);
257 4c7933444df4 Implement CCF and SCF Mike Pavone <pavone@retrodev.com> parents: 255 diff changeset	1406 break;
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	1407 case Z80_NOP:
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	1408 cycles(&opts->gen, num_cycles);
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	1409 break;
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	1410 case Z80_HALT: {
667 30ccf56842d6 All cycle counters are now based off the master clock. This seems to have messed up Z80 interrupt timing (music in Sonic 2 is too slow for instance), but things are generally working Michael Pavone <pavone@retrodev.com> parents: 666 diff changeset	1411 code_ptr loop_top = code->cur;
30ccf56842d6 All cycle counters are now based off the master clock. This seems to have messed up Z80 interrupt timing (music in Sonic 2 is too slow for instance), but things are generally working Michael Pavone <pavone@retrodev.com> parents: 666 diff changeset	1412 //this isn't terribly efficient, but it's good enough for now
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	1413 cycles(&opts->gen, num_cycles);
1147 06468b25a543 Fix implementation of Z80 HALT instruction Michael Pavone <pavone@retrodev.com> parents: 1142 diff changeset	1414 check_cycles_int(&opts->gen, address+1);
667 30ccf56842d6 All cycle counters are now based off the master clock. This seems to have messed up Z80 interrupt timing (music in Sonic 2 is too slow for instance), but things are generally working Michael Pavone <pavone@retrodev.com> parents: 666 diff changeset	1415 jmp(code, loop_top);
285 021aeb6df19b Implement HALT (sort of tested) Mike Pavone <pavone@retrodev.com> parents: 284 diff changeset	1416 break;
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	1417 }
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	1418 case Z80_DI:
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	1419 cycles(&opts->gen, num_cycles);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1420 mov_irdisp(code, 0, opts->gen.context_reg, offsetof(z80_context, iff1), SZ_B);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1421 mov_irdisp(code, 0, opts->gen.context_reg, offsetof(z80_context, iff2), SZ_B);
1110 d1eed3b1121c Fix a couple of timing regressions in Z80 core Michael Pavone <pavone@retrodev.com> parents: 1062 diff changeset	1422 //turn cycles remaining into current cycle
d1eed3b1121c Fix a couple of timing regressions in Z80 core Michael Pavone <pavone@retrodev.com> parents: 1062 diff changeset	1423 neg_r(code, opts->gen.cycles, SZ_D);
1047 6b07af1515b5 Change cycle tracking code for Z80 core to only use a single register. Store low 7 bits of R in a reg and increment it appropriately. Michael Pavone <pavone@retrodev.com> parents: 1046 diff changeset	1424 add_rdispr(code, opts->gen.context_reg, offsetof(z80_context, target_cycle), opts->gen.cycles, SZ_D);
1110 d1eed3b1121c Fix a couple of timing regressions in Z80 core Michael Pavone <pavone@retrodev.com> parents: 1062 diff changeset	1425 //set interrupt cycle to never and fetch the new target cycle from sync_cycle
1047 6b07af1515b5 Change cycle tracking code for Z80 core to only use a single register. Store low 7 bits of R in a reg and increment it appropriately. Michael Pavone <pavone@retrodev.com> parents: 1046 diff changeset	1426 mov_rdispr(code, opts->gen.context_reg, offsetof(z80_context, sync_cycle), opts->gen.scratch1, SZ_D);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1427 mov_irdisp(code, 0xFFFFFFFF, opts->gen.context_reg, offsetof(z80_context, int_cycle), SZ_D);
1047 6b07af1515b5 Change cycle tracking code for Z80 core to only use a single register. Store low 7 bits of R in a reg and increment it appropriately. Michael Pavone <pavone@retrodev.com> parents: 1046 diff changeset	1428 mov_rrdisp(code, opts->gen.scratch1, opts->gen.context_reg, offsetof(z80_context, target_cycle), SZ_D);
1110 d1eed3b1121c Fix a couple of timing regressions in Z80 core Michael Pavone <pavone@retrodev.com> parents: 1062 diff changeset	1429 //turn current cycle back into cycles remaining
d1eed3b1121c Fix a couple of timing regressions in Z80 core Michael Pavone <pavone@retrodev.com> parents: 1062 diff changeset	1430 neg_r(code, opts->gen.cycles, SZ_D);
d1eed3b1121c Fix a couple of timing regressions in Z80 core Michael Pavone <pavone@retrodev.com> parents: 1062 diff changeset	1431 add_rr(code, opts->gen.scratch1, opts->gen.cycles, SZ_D);
243 2f069a0b487e Implement EI, DI and IM in the Z80 core Mike Pavone <pavone@retrodev.com> parents: 242 diff changeset	1432 break;
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	1433 case Z80_EI:
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	1434 cycles(&opts->gen, num_cycles);
1047 6b07af1515b5 Change cycle tracking code for Z80 core to only use a single register. Store low 7 bits of R in a reg and increment it appropriately. Michael Pavone <pavone@retrodev.com> parents: 1046 diff changeset	1435 neg_r(code, opts->gen.cycles, SZ_D);
6b07af1515b5 Change cycle tracking code for Z80 core to only use a single register. Store low 7 bits of R in a reg and increment it appropriately. Michael Pavone <pavone@retrodev.com> parents: 1046 diff changeset	1436 add_rdispr(code, opts->gen.context_reg, offsetof(z80_context, target_cycle), opts->gen.cycles, SZ_D);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1437 mov_rrdisp(code, opts->gen.cycles, opts->gen.context_reg, offsetof(z80_context, int_enable_cycle), SZ_D);
1047 6b07af1515b5 Change cycle tracking code for Z80 core to only use a single register. Store low 7 bits of R in a reg and increment it appropriately. Michael Pavone <pavone@retrodev.com> parents: 1046 diff changeset	1438 neg_r(code, opts->gen.cycles, SZ_D);
6b07af1515b5 Change cycle tracking code for Z80 core to only use a single register. Store low 7 bits of R in a reg and increment it appropriately. Michael Pavone <pavone@retrodev.com> parents: 1046 diff changeset	1439 add_rdispr(code, opts->gen.context_reg, offsetof(z80_context, target_cycle), opts->gen.cycles, SZ_D);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1440 mov_irdisp(code, 1, opts->gen.context_reg, offsetof(z80_context, iff1), SZ_B);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1441 mov_irdisp(code, 1, opts->gen.context_reg, offsetof(z80_context, iff2), SZ_B);
335 14a937097c2b Some Z80 interrupt fixes Mike Pavone <pavone@retrodev.com> parents: 315 diff changeset	1442 //interrupt enable has a one-instruction latency, minimum instruction duration is 4 cycles
667 30ccf56842d6 All cycle counters are now based off the master clock. This seems to have messed up Z80 interrupt timing (music in Sonic 2 is too slow for instance), but things are generally working Michael Pavone <pavone@retrodev.com> parents: 666 diff changeset	1443 add_irdisp(code, 4*opts->gen.clock_divider, opts->gen.context_reg, offsetof(z80_context, int_enable_cycle), SZ_D);
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	1444 call(code, opts->do_sync);
243 2f069a0b487e Implement EI, DI and IM in the Z80 core Mike Pavone <pavone@retrodev.com> parents: 242 diff changeset	1445 break;
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	1446 case Z80_IM:
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	1447 cycles(&opts->gen, num_cycles);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1448 mov_irdisp(code, inst->immed, opts->gen.context_reg, offsetof(z80_context, im), SZ_B);
243 2f069a0b487e Implement EI, DI and IM in the Z80 core Mike Pavone <pavone@retrodev.com> parents: 242 diff changeset	1449 break;
247 682e505f5757 Implement rotation and bit set/reset instructions (untested). Mike Pavone <pavone@retrodev.com> parents: 246 diff changeset	1450 case Z80_RLC:
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	1451 if (inst->addr_mode == Z80_IX_DISPLACE \|\| inst->addr_mode == Z80_IY_DISPLACE) {
1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	1452 num_cycles += 8;
1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	1453 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1454 cycles(&opts->gen, num_cycles);
299 42e1a986f2d0 Fix calcuation of IX/IY dipslacements. Fix a bunch of stuff related to the IX/IY bit/shift/rotate instructions. Mike Pavone <pavone@retrodev.com> parents: 295 diff changeset	1455 if (inst->addr_mode != Z80_UNUSED) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1456 translate_z80_ea(inst, &dst_op, opts, READ, MODIFY);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1457 translate_z80_reg(inst, &src_op, opts); //For IX/IY variants that also write to a register
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1458 cycles(&opts->gen, 1);
247 682e505f5757 Implement rotation and bit set/reset instructions (untested). Mike Pavone <pavone@retrodev.com> parents: 246 diff changeset	1459 } else {
302 3b831fe32c15 More fixes for confusion between Z80_UNUSED and MODE_UNUSED Mike Pavone <pavone@retrodev.com> parents: 301 diff changeset	1460 src_op.mode = MODE_UNUSED;
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1461 translate_z80_reg(inst, &dst_op, opts);
247 682e505f5757 Implement rotation and bit set/reset instructions (untested). Mike Pavone <pavone@retrodev.com> parents: 246 diff changeset	1462 }
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1463 if (dst_op.mode == MODE_REG_DIRECT) {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1464 rol_ir(code, 1, dst_op.base, SZ_B);
1053 b86c3ce007d9 Implemented undocumented flag bits for rotate instructions Michael Pavone <pavone@retrodev.com> parents: 1052 diff changeset	1465 mov_rrdisp(code, dst_op.base, opts->gen.context_reg, zf_off(ZF_XY), SZ_B);
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1466 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1467 rol_irdisp(code, 1, dst_op.base, dst_op.disp, SZ_B);
1053 b86c3ce007d9 Implemented undocumented flag bits for rotate instructions Michael Pavone <pavone@retrodev.com> parents: 1052 diff changeset	1468 mov_rdispr(code, dst_op.base, dst_op.disp, opts->gen.scratch1, SZ_B);
b86c3ce007d9 Implemented undocumented flag bits for rotate instructions Michael Pavone <pavone@retrodev.com> parents: 1052 diff changeset	1469 mov_rrdisp(code, opts->gen.scratch1, opts->gen.context_reg, zf_off(ZF_XY), SZ_B);
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1470 }
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1471 if (src_op.mode == MODE_REG_DIRECT) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1472 mov_rr(code, dst_op.base, src_op.base, SZ_B);
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1473 } else if(src_op.mode == MODE_REG_DISPLACE8) {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1474 mov_rrdisp(code, dst_op.base, src_op.base, src_op.disp, SZ_B);
299 42e1a986f2d0 Fix calcuation of IX/IY dipslacements. Fix a bunch of stuff related to the IX/IY bit/shift/rotate instructions. Mike Pavone <pavone@retrodev.com> parents: 295 diff changeset	1475 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1476 setcc_rdisp(code, CC_C, opts->gen.context_reg, zf_off(ZF_C));
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1477 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_N), SZ_B);
1042 a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case Michael Pavone <pavone@retrodev.com> parents: 1040 diff changeset	1478 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_H), SZ_B);
651 103d5cabbe14 Fix flags for rra, rrca, rla and rlca. Fix timing for rr, rrc, rl and rlc when using IX or IY. Fix access to I and R registers (R still needs to be made 7-bit though). Fix flags for ld a, i. The fix for access to I fixes PCM playback in Titan Overdrive and music playback in Crackdown. Michael Pavone <pavone@retrodev.com> parents: 644 diff changeset	1479 if (inst->immed) {
103d5cabbe14 Fix flags for rra, rrca, rla and rlca. Fix timing for rr, rrc, rl and rlc when using IX or IY. Fix access to I and R registers (R still needs to be made 7-bit though). Fix flags for ld a, i. The fix for access to I fixes PCM playback in Titan Overdrive and music playback in Crackdown. Michael Pavone <pavone@retrodev.com> parents: 644 diff changeset	1480 //rlca does not set these flags
731 0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1481 if (dst_op.mode == MODE_REG_DIRECT) {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1482 cmp_ir(code, 0, dst_op.base, SZ_B);
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1483 } else {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1484 cmp_irdisp(code, 0, dst_op.base, dst_op.disp, SZ_B);
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1485 }
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1486 setcc_rdisp(code, CC_P, opts->gen.context_reg, zf_off(ZF_PV));
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1487 setcc_rdisp(code, CC_Z, opts->gen.context_reg, zf_off(ZF_Z));
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1488 setcc_rdisp(code, CC_S, opts->gen.context_reg, zf_off(ZF_S));
651 103d5cabbe14 Fix flags for rra, rrca, rla and rlca. Fix timing for rr, rrc, rl and rlc when using IX or IY. Fix access to I and R registers (R still needs to be made 7-bit though). Fix flags for ld a, i. The fix for access to I fixes PCM playback in Titan Overdrive and music playback in Crackdown. Michael Pavone <pavone@retrodev.com> parents: 644 diff changeset	1489 }
299 42e1a986f2d0 Fix calcuation of IX/IY dipslacements. Fix a bunch of stuff related to the IX/IY bit/shift/rotate instructions. Mike Pavone <pavone@retrodev.com> parents: 295 diff changeset	1490 if (inst->addr_mode != Z80_UNUSED) {
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	1491 z80_save_result(opts, inst);
299 42e1a986f2d0 Fix calcuation of IX/IY dipslacements. Fix a bunch of stuff related to the IX/IY bit/shift/rotate instructions. Mike Pavone <pavone@retrodev.com> parents: 295 diff changeset	1492 if (src_op.mode != MODE_UNUSED) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1493 z80_save_reg(inst, opts);
299 42e1a986f2d0 Fix calcuation of IX/IY dipslacements. Fix a bunch of stuff related to the IX/IY bit/shift/rotate instructions. Mike Pavone <pavone@retrodev.com> parents: 295 diff changeset	1494 }
247 682e505f5757 Implement rotation and bit set/reset instructions (untested). Mike Pavone <pavone@retrodev.com> parents: 246 diff changeset	1495 } else {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1496 z80_save_reg(inst, opts);
247 682e505f5757 Implement rotation and bit set/reset instructions (untested). Mike Pavone <pavone@retrodev.com> parents: 246 diff changeset	1497 }
682e505f5757 Implement rotation and bit set/reset instructions (untested). Mike Pavone <pavone@retrodev.com> parents: 246 diff changeset	1498 break;
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	1499 case Z80_RL:
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	1500 if (inst->addr_mode == Z80_IX_DISPLACE \|\| inst->addr_mode == Z80_IY_DISPLACE) {
1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	1501 num_cycles += 8;
1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	1502 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1503 cycles(&opts->gen, num_cycles);
299 42e1a986f2d0 Fix calcuation of IX/IY dipslacements. Fix a bunch of stuff related to the IX/IY bit/shift/rotate instructions. Mike Pavone <pavone@retrodev.com> parents: 295 diff changeset	1504 if (inst->addr_mode != Z80_UNUSED) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1505 translate_z80_ea(inst, &dst_op, opts, READ, MODIFY);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1506 translate_z80_reg(inst, &src_op, opts); //For IX/IY variants that also write to a register
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1507 cycles(&opts->gen, 1);
247 682e505f5757 Implement rotation and bit set/reset instructions (untested). Mike Pavone <pavone@retrodev.com> parents: 246 diff changeset	1508 } else {
302 3b831fe32c15 More fixes for confusion between Z80_UNUSED and MODE_UNUSED Mike Pavone <pavone@retrodev.com> parents: 301 diff changeset	1509 src_op.mode = MODE_UNUSED;
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1510 translate_z80_reg(inst, &dst_op, opts);
247 682e505f5757 Implement rotation and bit set/reset instructions (untested). Mike Pavone <pavone@retrodev.com> parents: 246 diff changeset	1511 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1512 bt_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_C), SZ_B);
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1513 if (dst_op.mode == MODE_REG_DIRECT) {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1514 rcl_ir(code, 1, dst_op.base, SZ_B);
1053 b86c3ce007d9 Implemented undocumented flag bits for rotate instructions Michael Pavone <pavone@retrodev.com> parents: 1052 diff changeset	1515 mov_rrdisp(code, dst_op.base, opts->gen.context_reg, zf_off(ZF_XY), SZ_B);
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1516 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1517 rcl_irdisp(code, 1, dst_op.base, dst_op.disp, SZ_B);
1053 b86c3ce007d9 Implemented undocumented flag bits for rotate instructions Michael Pavone <pavone@retrodev.com> parents: 1052 diff changeset	1518 mov_rdispr(code, dst_op.base, dst_op.disp, opts->gen.scratch1, SZ_B);
b86c3ce007d9 Implemented undocumented flag bits for rotate instructions Michael Pavone <pavone@retrodev.com> parents: 1052 diff changeset	1519 mov_rrdisp(code, opts->gen.scratch1, opts->gen.context_reg, zf_off(ZF_XY), SZ_B);
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1520 }
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1521 if (src_op.mode == MODE_REG_DIRECT) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1522 mov_rr(code, dst_op.base, src_op.base, SZ_B);
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1523 } else if(src_op.mode == MODE_REG_DISPLACE8) {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1524 mov_rrdisp(code, dst_op.base, src_op.base, src_op.disp, SZ_B);
299 42e1a986f2d0 Fix calcuation of IX/IY dipslacements. Fix a bunch of stuff related to the IX/IY bit/shift/rotate instructions. Mike Pavone <pavone@retrodev.com> parents: 295 diff changeset	1525 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1526 setcc_rdisp(code, CC_C, opts->gen.context_reg, zf_off(ZF_C));
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1527 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_N), SZ_B);
1042 a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case Michael Pavone <pavone@retrodev.com> parents: 1040 diff changeset	1528 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_H), SZ_B);
651 103d5cabbe14 Fix flags for rra, rrca, rla and rlca. Fix timing for rr, rrc, rl and rlc when using IX or IY. Fix access to I and R registers (R still needs to be made 7-bit though). Fix flags for ld a, i. The fix for access to I fixes PCM playback in Titan Overdrive and music playback in Crackdown. Michael Pavone <pavone@retrodev.com> parents: 644 diff changeset	1529 if (inst->immed) {
103d5cabbe14 Fix flags for rra, rrca, rla and rlca. Fix timing for rr, rrc, rl and rlc when using IX or IY. Fix access to I and R registers (R still needs to be made 7-bit though). Fix flags for ld a, i. The fix for access to I fixes PCM playback in Titan Overdrive and music playback in Crackdown. Michael Pavone <pavone@retrodev.com> parents: 644 diff changeset	1530 //rla does not set these flags
731 0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1531 if (dst_op.mode == MODE_REG_DIRECT) {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1532 cmp_ir(code, 0, dst_op.base, SZ_B);
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1533 } else {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1534 cmp_irdisp(code, 0, dst_op.base, dst_op.disp, SZ_B);
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1535 }
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1536 setcc_rdisp(code, CC_P, opts->gen.context_reg, zf_off(ZF_PV));
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1537 setcc_rdisp(code, CC_Z, opts->gen.context_reg, zf_off(ZF_Z));
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1538 setcc_rdisp(code, CC_S, opts->gen.context_reg, zf_off(ZF_S));
651 103d5cabbe14 Fix flags for rra, rrca, rla and rlca. Fix timing for rr, rrc, rl and rlc when using IX or IY. Fix access to I and R registers (R still needs to be made 7-bit though). Fix flags for ld a, i. The fix for access to I fixes PCM playback in Titan Overdrive and music playback in Crackdown. Michael Pavone <pavone@retrodev.com> parents: 644 diff changeset	1539 }
299 42e1a986f2d0 Fix calcuation of IX/IY dipslacements. Fix a bunch of stuff related to the IX/IY bit/shift/rotate instructions. Mike Pavone <pavone@retrodev.com> parents: 295 diff changeset	1540 if (inst->addr_mode != Z80_UNUSED) {
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	1541 z80_save_result(opts, inst);
299 42e1a986f2d0 Fix calcuation of IX/IY dipslacements. Fix a bunch of stuff related to the IX/IY bit/shift/rotate instructions. Mike Pavone <pavone@retrodev.com> parents: 295 diff changeset	1542 if (src_op.mode != MODE_UNUSED) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1543 z80_save_reg(inst, opts);
299 42e1a986f2d0 Fix calcuation of IX/IY dipslacements. Fix a bunch of stuff related to the IX/IY bit/shift/rotate instructions. Mike Pavone <pavone@retrodev.com> parents: 295 diff changeset	1544 }
247 682e505f5757 Implement rotation and bit set/reset instructions (untested). Mike Pavone <pavone@retrodev.com> parents: 246 diff changeset	1545 } else {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1546 z80_save_reg(inst, opts);
247 682e505f5757 Implement rotation and bit set/reset instructions (untested). Mike Pavone <pavone@retrodev.com> parents: 246 diff changeset	1547 }
682e505f5757 Implement rotation and bit set/reset instructions (untested). Mike Pavone <pavone@retrodev.com> parents: 246 diff changeset	1548 break;
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	1549 case Z80_RRC:
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	1550 if (inst->addr_mode == Z80_IX_DISPLACE \|\| inst->addr_mode == Z80_IY_DISPLACE) {
1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	1551 num_cycles += 8;
1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	1552 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1553 cycles(&opts->gen, num_cycles);
299 42e1a986f2d0 Fix calcuation of IX/IY dipslacements. Fix a bunch of stuff related to the IX/IY bit/shift/rotate instructions. Mike Pavone <pavone@retrodev.com> parents: 295 diff changeset	1554 if (inst->addr_mode != Z80_UNUSED) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1555 translate_z80_ea(inst, &dst_op, opts, READ, MODIFY);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1556 translate_z80_reg(inst, &src_op, opts); //For IX/IY variants that also write to a register
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1557 cycles(&opts->gen, 1);
247 682e505f5757 Implement rotation and bit set/reset instructions (untested). Mike Pavone <pavone@retrodev.com> parents: 246 diff changeset	1558 } else {
302 3b831fe32c15 More fixes for confusion between Z80_UNUSED and MODE_UNUSED Mike Pavone <pavone@retrodev.com> parents: 301 diff changeset	1559 src_op.mode = MODE_UNUSED;
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1560 translate_z80_reg(inst, &dst_op, opts);
247 682e505f5757 Implement rotation and bit set/reset instructions (untested). Mike Pavone <pavone@retrodev.com> parents: 246 diff changeset	1561 }
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1562 if (dst_op.mode == MODE_REG_DIRECT) {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1563 ror_ir(code, 1, dst_op.base, SZ_B);
1053 b86c3ce007d9 Implemented undocumented flag bits for rotate instructions Michael Pavone <pavone@retrodev.com> parents: 1052 diff changeset	1564 mov_rrdisp(code, dst_op.base, opts->gen.context_reg, zf_off(ZF_XY), SZ_B);
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1565 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1566 ror_irdisp(code, 1, dst_op.base, dst_op.disp, SZ_B);
1053 b86c3ce007d9 Implemented undocumented flag bits for rotate instructions Michael Pavone <pavone@retrodev.com> parents: 1052 diff changeset	1567 mov_rdispr(code, dst_op.base, dst_op.disp, opts->gen.scratch1, SZ_B);
b86c3ce007d9 Implemented undocumented flag bits for rotate instructions Michael Pavone <pavone@retrodev.com> parents: 1052 diff changeset	1568 mov_rrdisp(code, opts->gen.scratch1, opts->gen.context_reg, zf_off(ZF_XY), SZ_B);
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1569 }
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1570 if (src_op.mode == MODE_REG_DIRECT) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1571 mov_rr(code, dst_op.base, src_op.base, SZ_B);
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1572 } else if(src_op.mode == MODE_REG_DISPLACE8) {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1573 mov_rrdisp(code, dst_op.base, src_op.base, src_op.disp, SZ_B);
299 42e1a986f2d0 Fix calcuation of IX/IY dipslacements. Fix a bunch of stuff related to the IX/IY bit/shift/rotate instructions. Mike Pavone <pavone@retrodev.com> parents: 295 diff changeset	1574 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1575 setcc_rdisp(code, CC_C, opts->gen.context_reg, zf_off(ZF_C));
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1576 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_N), SZ_B);
1042 a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case Michael Pavone <pavone@retrodev.com> parents: 1040 diff changeset	1577 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_H), SZ_B);
651 103d5cabbe14 Fix flags for rra, rrca, rla and rlca. Fix timing for rr, rrc, rl and rlc when using IX or IY. Fix access to I and R registers (R still needs to be made 7-bit though). Fix flags for ld a, i. The fix for access to I fixes PCM playback in Titan Overdrive and music playback in Crackdown. Michael Pavone <pavone@retrodev.com> parents: 644 diff changeset	1578 if (inst->immed) {
103d5cabbe14 Fix flags for rra, rrca, rla and rlca. Fix timing for rr, rrc, rl and rlc when using IX or IY. Fix access to I and R registers (R still needs to be made 7-bit though). Fix flags for ld a, i. The fix for access to I fixes PCM playback in Titan Overdrive and music playback in Crackdown. Michael Pavone <pavone@retrodev.com> parents: 644 diff changeset	1579 //rrca does not set these flags
731 0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1580 if (dst_op.mode == MODE_REG_DIRECT) {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1581 cmp_ir(code, 0, dst_op.base, SZ_B);
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1582 } else {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1583 cmp_irdisp(code, 0, dst_op.base, dst_op.disp, SZ_B);
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1584 }
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1585 setcc_rdisp(code, CC_P, opts->gen.context_reg, zf_off(ZF_PV));
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1586 setcc_rdisp(code, CC_Z, opts->gen.context_reg, zf_off(ZF_Z));
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1587 setcc_rdisp(code, CC_S, opts->gen.context_reg, zf_off(ZF_S));
651 103d5cabbe14 Fix flags for rra, rrca, rla and rlca. Fix timing for rr, rrc, rl and rlc when using IX or IY. Fix access to I and R registers (R still needs to be made 7-bit though). Fix flags for ld a, i. The fix for access to I fixes PCM playback in Titan Overdrive and music playback in Crackdown. Michael Pavone <pavone@retrodev.com> parents: 644 diff changeset	1588 }
299 42e1a986f2d0 Fix calcuation of IX/IY dipslacements. Fix a bunch of stuff related to the IX/IY bit/shift/rotate instructions. Mike Pavone <pavone@retrodev.com> parents: 295 diff changeset	1589 if (inst->addr_mode != Z80_UNUSED) {
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	1590 z80_save_result(opts, inst);
299 42e1a986f2d0 Fix calcuation of IX/IY dipslacements. Fix a bunch of stuff related to the IX/IY bit/shift/rotate instructions. Mike Pavone <pavone@retrodev.com> parents: 295 diff changeset	1591 if (src_op.mode != MODE_UNUSED) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1592 z80_save_reg(inst, opts);
299 42e1a986f2d0 Fix calcuation of IX/IY dipslacements. Fix a bunch of stuff related to the IX/IY bit/shift/rotate instructions. Mike Pavone <pavone@retrodev.com> parents: 295 diff changeset	1593 }
247 682e505f5757 Implement rotation and bit set/reset instructions (untested). Mike Pavone <pavone@retrodev.com> parents: 246 diff changeset	1594 } else {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1595 z80_save_reg(inst, opts);
247 682e505f5757 Implement rotation and bit set/reset instructions (untested). Mike Pavone <pavone@retrodev.com> parents: 246 diff changeset	1596 }
682e505f5757 Implement rotation and bit set/reset instructions (untested). Mike Pavone <pavone@retrodev.com> parents: 246 diff changeset	1597 break;
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	1598 case Z80_RR:
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	1599 if (inst->addr_mode == Z80_IX_DISPLACE \|\| inst->addr_mode == Z80_IY_DISPLACE) {
1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	1600 num_cycles += 8;
1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	1601 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1602 cycles(&opts->gen, num_cycles);
299 42e1a986f2d0 Fix calcuation of IX/IY dipslacements. Fix a bunch of stuff related to the IX/IY bit/shift/rotate instructions. Mike Pavone <pavone@retrodev.com> parents: 295 diff changeset	1603 if (inst->addr_mode != Z80_UNUSED) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1604 translate_z80_ea(inst, &dst_op, opts, READ, MODIFY);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1605 translate_z80_reg(inst, &src_op, opts); //For IX/IY variants that also write to a register
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1606 cycles(&opts->gen, 1);
247 682e505f5757 Implement rotation and bit set/reset instructions (untested). Mike Pavone <pavone@retrodev.com> parents: 246 diff changeset	1607 } else {
302 3b831fe32c15 More fixes for confusion between Z80_UNUSED and MODE_UNUSED Mike Pavone <pavone@retrodev.com> parents: 301 diff changeset	1608 src_op.mode = MODE_UNUSED;
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1609 translate_z80_reg(inst, &dst_op, opts);
247 682e505f5757 Implement rotation and bit set/reset instructions (untested). Mike Pavone <pavone@retrodev.com> parents: 246 diff changeset	1610 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1611 bt_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_C), SZ_B);
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1612 if (dst_op.mode == MODE_REG_DIRECT) {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1613 rcr_ir(code, 1, dst_op.base, SZ_B);
1053 b86c3ce007d9 Implemented undocumented flag bits for rotate instructions Michael Pavone <pavone@retrodev.com> parents: 1052 diff changeset	1614 mov_rrdisp(code, dst_op.base, opts->gen.context_reg, zf_off(ZF_XY), SZ_B);
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1615 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1616 rcr_irdisp(code, 1, dst_op.base, dst_op.disp, SZ_B);
1053 b86c3ce007d9 Implemented undocumented flag bits for rotate instructions Michael Pavone <pavone@retrodev.com> parents: 1052 diff changeset	1617 mov_rdispr(code, dst_op.base, dst_op.disp, opts->gen.scratch1, SZ_B);
b86c3ce007d9 Implemented undocumented flag bits for rotate instructions Michael Pavone <pavone@retrodev.com> parents: 1052 diff changeset	1618 mov_rrdisp(code, opts->gen.scratch1, opts->gen.context_reg, zf_off(ZF_XY), SZ_B);
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1619 }
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1620 if (src_op.mode == MODE_REG_DIRECT) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1621 mov_rr(code, dst_op.base, src_op.base, SZ_B);
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1622 } else if(src_op.mode == MODE_REG_DISPLACE8) {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1623 mov_rrdisp(code, dst_op.base, src_op.base, src_op.disp, SZ_B);
299 42e1a986f2d0 Fix calcuation of IX/IY dipslacements. Fix a bunch of stuff related to the IX/IY bit/shift/rotate instructions. Mike Pavone <pavone@retrodev.com> parents: 295 diff changeset	1624 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1625 setcc_rdisp(code, CC_C, opts->gen.context_reg, zf_off(ZF_C));
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1626 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_N), SZ_B);
1042 a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case Michael Pavone <pavone@retrodev.com> parents: 1040 diff changeset	1627 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_H), SZ_B);
651 103d5cabbe14 Fix flags for rra, rrca, rla and rlca. Fix timing for rr, rrc, rl and rlc when using IX or IY. Fix access to I and R registers (R still needs to be made 7-bit though). Fix flags for ld a, i. The fix for access to I fixes PCM playback in Titan Overdrive and music playback in Crackdown. Michael Pavone <pavone@retrodev.com> parents: 644 diff changeset	1628 if (inst->immed) {
103d5cabbe14 Fix flags for rra, rrca, rla and rlca. Fix timing for rr, rrc, rl and rlc when using IX or IY. Fix access to I and R registers (R still needs to be made 7-bit though). Fix flags for ld a, i. The fix for access to I fixes PCM playback in Titan Overdrive and music playback in Crackdown. Michael Pavone <pavone@retrodev.com> parents: 644 diff changeset	1629 //rra does not set these flags
731 0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1630 if (dst_op.mode == MODE_REG_DIRECT) {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1631 cmp_ir(code, 0, dst_op.base, SZ_B);
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1632 } else {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1633 cmp_irdisp(code, 0, dst_op.base, dst_op.disp, SZ_B);
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1634 }
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1635 setcc_rdisp(code, CC_P, opts->gen.context_reg, zf_off(ZF_PV));
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1636 setcc_rdisp(code, CC_Z, opts->gen.context_reg, zf_off(ZF_Z));
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1637 setcc_rdisp(code, CC_S, opts->gen.context_reg, zf_off(ZF_S));
651 103d5cabbe14 Fix flags for rra, rrca, rla and rlca. Fix timing for rr, rrc, rl and rlc when using IX or IY. Fix access to I and R registers (R still needs to be made 7-bit though). Fix flags for ld a, i. The fix for access to I fixes PCM playback in Titan Overdrive and music playback in Crackdown. Michael Pavone <pavone@retrodev.com> parents: 644 diff changeset	1638 }
299 42e1a986f2d0 Fix calcuation of IX/IY dipslacements. Fix a bunch of stuff related to the IX/IY bit/shift/rotate instructions. Mike Pavone <pavone@retrodev.com> parents: 295 diff changeset	1639 if (inst->addr_mode != Z80_UNUSED) {
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	1640 z80_save_result(opts, inst);
299 42e1a986f2d0 Fix calcuation of IX/IY dipslacements. Fix a bunch of stuff related to the IX/IY bit/shift/rotate instructions. Mike Pavone <pavone@retrodev.com> parents: 295 diff changeset	1641 if (src_op.mode != MODE_UNUSED) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1642 z80_save_reg(inst, opts);
299 42e1a986f2d0 Fix calcuation of IX/IY dipslacements. Fix a bunch of stuff related to the IX/IY bit/shift/rotate instructions. Mike Pavone <pavone@retrodev.com> parents: 295 diff changeset	1643 }
247 682e505f5757 Implement rotation and bit set/reset instructions (untested). Mike Pavone <pavone@retrodev.com> parents: 246 diff changeset	1644 } else {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1645 z80_save_reg(inst, opts);
247 682e505f5757 Implement rotation and bit set/reset instructions (untested). Mike Pavone <pavone@retrodev.com> parents: 246 diff changeset	1646 }
682e505f5757 Implement rotation and bit set/reset instructions (untested). Mike Pavone <pavone@retrodev.com> parents: 246 diff changeset	1647 break;
275 1a7d0a964ad2 Implement shift instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 274 diff changeset	1648 case Z80_SLA:
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	1649 case Z80_SLL:
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	1650 if (inst->addr_mode == Z80_IX_DISPLACE \|\| inst->addr_mode == Z80_IY_DISPLACE) {
1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	1651 num_cycles += 8;
1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	1652 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1653 cycles(&opts->gen, num_cycles);
299 42e1a986f2d0 Fix calcuation of IX/IY dipslacements. Fix a bunch of stuff related to the IX/IY bit/shift/rotate instructions. Mike Pavone <pavone@retrodev.com> parents: 295 diff changeset	1654 if (inst->addr_mode != Z80_UNUSED) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1655 translate_z80_ea(inst, &dst_op, opts, READ, MODIFY);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1656 translate_z80_reg(inst, &src_op, opts); //For IX/IY variants that also write to a register
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1657 cycles(&opts->gen, 1);
275 1a7d0a964ad2 Implement shift instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 274 diff changeset	1658 } else {
302 3b831fe32c15 More fixes for confusion between Z80_UNUSED and MODE_UNUSED Mike Pavone <pavone@retrodev.com> parents: 301 diff changeset	1659 src_op.mode = MODE_UNUSED;
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1660 translate_z80_reg(inst, &dst_op, opts);
275 1a7d0a964ad2 Implement shift instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 274 diff changeset	1661 }
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1662 if (dst_op.mode == MODE_REG_DIRECT) {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1663 shl_ir(code, 1, dst_op.base, SZ_B);
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1664 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1665 shl_irdisp(code, 1, dst_op.base, dst_op.disp, SZ_B);
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1666 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1667 setcc_rdisp(code, CC_C, opts->gen.context_reg, zf_off(ZF_C));
310 bf440db64086 Implement carry flag for shift instructions. Implement weird behavior for bit 0 of SLL. Fix missing break statement in SRL. Mike Pavone <pavone@retrodev.com> parents: 309 diff changeset	1668 if (inst->op == Z80_SLL) {
731 0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1669 if (dst_op.mode == MODE_REG_DIRECT) {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1670 or_ir(code, 1, dst_op.base, SZ_B);
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1671 } else {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1672 or_irdisp(code, 1, dst_op.base, dst_op.disp, SZ_B);
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1673 }
310 bf440db64086 Implement carry flag for shift instructions. Implement weird behavior for bit 0 of SLL. Fix missing break statement in SRL. Mike Pavone <pavone@retrodev.com> parents: 309 diff changeset	1674 }
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1675 if (src_op.mode == MODE_REG_DIRECT) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1676 mov_rr(code, dst_op.base, src_op.base, SZ_B);
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1677 } else if(src_op.mode == MODE_REG_DISPLACE8) {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1678 mov_rrdisp(code, dst_op.base, src_op.base, src_op.disp, SZ_B);
299 42e1a986f2d0 Fix calcuation of IX/IY dipslacements. Fix a bunch of stuff related to the IX/IY bit/shift/rotate instructions. Mike Pavone <pavone@retrodev.com> parents: 295 diff changeset	1679 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1680 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_N), SZ_B);
1042 a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case Michael Pavone <pavone@retrodev.com> parents: 1040 diff changeset	1681 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_H), SZ_B);
731 0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1682 if (dst_op.mode == MODE_REG_DIRECT) {
1055 ac4615d16226 Implement undocumented flag bits for shift instructions Michael Pavone <pavone@retrodev.com> parents: 1054 diff changeset	1683 mov_rrdisp(code, dst_op.base, opts->gen.context_reg, zf_off(ZF_XY), SZ_B);
731 0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1684 cmp_ir(code, 0, dst_op.base, SZ_B);
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1685 } else {
1055 ac4615d16226 Implement undocumented flag bits for shift instructions Michael Pavone <pavone@retrodev.com> parents: 1054 diff changeset	1686 mov_rdispr(code, dst_op.base, dst_op.disp, opts->gen.scratch1, SZ_B);
ac4615d16226 Implement undocumented flag bits for shift instructions Michael Pavone <pavone@retrodev.com> parents: 1054 diff changeset	1687 mov_rrdisp(code, opts->gen.scratch1, opts->gen.context_reg, zf_off(ZF_XY), SZ_B);
731 0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1688 cmp_irdisp(code, 0, dst_op.base, dst_op.disp, SZ_B);
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1689 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1690 setcc_rdisp(code, CC_P, opts->gen.context_reg, zf_off(ZF_PV));
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1691 setcc_rdisp(code, CC_Z, opts->gen.context_reg, zf_off(ZF_Z));
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1692 setcc_rdisp(code, CC_S, opts->gen.context_reg, zf_off(ZF_S));
299 42e1a986f2d0 Fix calcuation of IX/IY dipslacements. Fix a bunch of stuff related to the IX/IY bit/shift/rotate instructions. Mike Pavone <pavone@retrodev.com> parents: 295 diff changeset	1693 if (inst->addr_mode != Z80_UNUSED) {
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	1694 z80_save_result(opts, inst);
299 42e1a986f2d0 Fix calcuation of IX/IY dipslacements. Fix a bunch of stuff related to the IX/IY bit/shift/rotate instructions. Mike Pavone <pavone@retrodev.com> parents: 295 diff changeset	1695 if (src_op.mode != MODE_UNUSED) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1696 z80_save_reg(inst, opts);
299 42e1a986f2d0 Fix calcuation of IX/IY dipslacements. Fix a bunch of stuff related to the IX/IY bit/shift/rotate instructions. Mike Pavone <pavone@retrodev.com> parents: 295 diff changeset	1697 }
275 1a7d0a964ad2 Implement shift instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 274 diff changeset	1698 } else {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1699 z80_save_reg(inst, opts);
275 1a7d0a964ad2 Implement shift instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 274 diff changeset	1700 }
1a7d0a964ad2 Implement shift instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 274 diff changeset	1701 break;
1a7d0a964ad2 Implement shift instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 274 diff changeset	1702 case Z80_SRA:
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	1703 if (inst->addr_mode == Z80_IX_DISPLACE \|\| inst->addr_mode == Z80_IY_DISPLACE) {
1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	1704 num_cycles += 8;
1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	1705 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1706 cycles(&opts->gen, num_cycles);
299 42e1a986f2d0 Fix calcuation of IX/IY dipslacements. Fix a bunch of stuff related to the IX/IY bit/shift/rotate instructions. Mike Pavone <pavone@retrodev.com> parents: 295 diff changeset	1707 if (inst->addr_mode != Z80_UNUSED) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1708 translate_z80_ea(inst, &dst_op, opts, READ, MODIFY);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1709 translate_z80_reg(inst, &src_op, opts); //For IX/IY variants that also write to a register
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1710 cycles(&opts->gen, 1);
275 1a7d0a964ad2 Implement shift instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 274 diff changeset	1711 } else {
302 3b831fe32c15 More fixes for confusion between Z80_UNUSED and MODE_UNUSED Mike Pavone <pavone@retrodev.com> parents: 301 diff changeset	1712 src_op.mode = MODE_UNUSED;
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1713 translate_z80_reg(inst, &dst_op, opts);
275 1a7d0a964ad2 Implement shift instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 274 diff changeset	1714 }
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1715 if (dst_op.mode == MODE_REG_DIRECT) {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1716 sar_ir(code, 1, dst_op.base, SZ_B);
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1717 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1718 sar_irdisp(code, 1, dst_op.base, dst_op.disp, SZ_B);
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1719 }
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1720 if (src_op.mode == MODE_REG_DIRECT) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1721 mov_rr(code, dst_op.base, src_op.base, SZ_B);
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1722 } else if(src_op.mode == MODE_REG_DISPLACE8) {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1723 mov_rrdisp(code, dst_op.base, src_op.base, src_op.disp, SZ_B);
299 42e1a986f2d0 Fix calcuation of IX/IY dipslacements. Fix a bunch of stuff related to the IX/IY bit/shift/rotate instructions. Mike Pavone <pavone@retrodev.com> parents: 295 diff changeset	1724 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1725 setcc_rdisp(code, CC_C, opts->gen.context_reg, zf_off(ZF_C));
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1726 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_N), SZ_B);
1042 a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case Michael Pavone <pavone@retrodev.com> parents: 1040 diff changeset	1727 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_H), SZ_B);
731 0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1728 if (dst_op.mode == MODE_REG_DIRECT) {
1055 ac4615d16226 Implement undocumented flag bits for shift instructions Michael Pavone <pavone@retrodev.com> parents: 1054 diff changeset	1729 mov_rrdisp(code, dst_op.base, opts->gen.context_reg, zf_off(ZF_XY), SZ_B);
731 0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1730 cmp_ir(code, 0, dst_op.base, SZ_B);
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1731 } else {
1055 ac4615d16226 Implement undocumented flag bits for shift instructions Michael Pavone <pavone@retrodev.com> parents: 1054 diff changeset	1732 mov_rdispr(code, dst_op.base, dst_op.disp, opts->gen.scratch1, SZ_B);
ac4615d16226 Implement undocumented flag bits for shift instructions Michael Pavone <pavone@retrodev.com> parents: 1054 diff changeset	1733 mov_rrdisp(code, opts->gen.scratch1, opts->gen.context_reg, zf_off(ZF_XY), SZ_B);
731 0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1734 cmp_irdisp(code, 0, dst_op.base, dst_op.disp, SZ_B);
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1735 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1736 setcc_rdisp(code, CC_P, opts->gen.context_reg, zf_off(ZF_PV));
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1737 setcc_rdisp(code, CC_Z, opts->gen.context_reg, zf_off(ZF_Z));
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1738 setcc_rdisp(code, CC_S, opts->gen.context_reg, zf_off(ZF_S));
299 42e1a986f2d0 Fix calcuation of IX/IY dipslacements. Fix a bunch of stuff related to the IX/IY bit/shift/rotate instructions. Mike Pavone <pavone@retrodev.com> parents: 295 diff changeset	1739 if (inst->addr_mode != Z80_UNUSED) {
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	1740 z80_save_result(opts, inst);
299 42e1a986f2d0 Fix calcuation of IX/IY dipslacements. Fix a bunch of stuff related to the IX/IY bit/shift/rotate instructions. Mike Pavone <pavone@retrodev.com> parents: 295 diff changeset	1741 if (src_op.mode != MODE_UNUSED) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1742 z80_save_reg(inst, opts);
299 42e1a986f2d0 Fix calcuation of IX/IY dipslacements. Fix a bunch of stuff related to the IX/IY bit/shift/rotate instructions. Mike Pavone <pavone@retrodev.com> parents: 295 diff changeset	1743 }
275 1a7d0a964ad2 Implement shift instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 274 diff changeset	1744 } else {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1745 z80_save_reg(inst, opts);
275 1a7d0a964ad2 Implement shift instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 274 diff changeset	1746 }
1a7d0a964ad2 Implement shift instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 274 diff changeset	1747 break;
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	1748 case Z80_SRL:
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	1749 if (inst->addr_mode == Z80_IX_DISPLACE \|\| inst->addr_mode == Z80_IY_DISPLACE) {
1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	1750 num_cycles += 8;
1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	1751 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1752 cycles(&opts->gen, num_cycles);
299 42e1a986f2d0 Fix calcuation of IX/IY dipslacements. Fix a bunch of stuff related to the IX/IY bit/shift/rotate instructions. Mike Pavone <pavone@retrodev.com> parents: 295 diff changeset	1753 if (inst->addr_mode != Z80_UNUSED) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1754 translate_z80_ea(inst, &dst_op, opts, READ, MODIFY);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1755 translate_z80_reg(inst, &src_op, opts); //For IX/IY variants that also write to a register
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1756 cycles(&opts->gen, 1);
275 1a7d0a964ad2 Implement shift instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 274 diff changeset	1757 } else {
302 3b831fe32c15 More fixes for confusion between Z80_UNUSED and MODE_UNUSED Mike Pavone <pavone@retrodev.com> parents: 301 diff changeset	1758 src_op.mode = MODE_UNUSED;
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1759 translate_z80_reg(inst, &dst_op, opts);
275 1a7d0a964ad2 Implement shift instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 274 diff changeset	1760 }
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1761 if (dst_op.mode == MODE_REG_DIRECT) {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1762 shr_ir(code, 1, dst_op.base, SZ_B);
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1763 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1764 shr_irdisp(code, 1, dst_op.base, dst_op.disp, SZ_B);
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1765 }
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1766 if (src_op.mode == MODE_REG_DIRECT) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1767 mov_rr(code, dst_op.base, src_op.base, SZ_B);
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1768 } else if(src_op.mode == MODE_REG_DISPLACE8) {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1769 mov_rrdisp(code, dst_op.base, src_op.base, src_op.disp, SZ_B);
299 42e1a986f2d0 Fix calcuation of IX/IY dipslacements. Fix a bunch of stuff related to the IX/IY bit/shift/rotate instructions. Mike Pavone <pavone@retrodev.com> parents: 295 diff changeset	1770 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1771 setcc_rdisp(code, CC_C, opts->gen.context_reg, zf_off(ZF_C));
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1772 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_N), SZ_B);
1042 a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case Michael Pavone <pavone@retrodev.com> parents: 1040 diff changeset	1773 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_H), SZ_B);
731 0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1774 if (dst_op.mode == MODE_REG_DIRECT) {
1055 ac4615d16226 Implement undocumented flag bits for shift instructions Michael Pavone <pavone@retrodev.com> parents: 1054 diff changeset	1775 mov_rrdisp(code, dst_op.base, opts->gen.context_reg, zf_off(ZF_XY), SZ_B);
731 0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1776 cmp_ir(code, 0, dst_op.base, SZ_B);
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1777 } else {
1055 ac4615d16226 Implement undocumented flag bits for shift instructions Michael Pavone <pavone@retrodev.com> parents: 1054 diff changeset	1778 mov_rdispr(code, dst_op.base, dst_op.disp, opts->gen.scratch1, SZ_B);
ac4615d16226 Implement undocumented flag bits for shift instructions Michael Pavone <pavone@retrodev.com> parents: 1054 diff changeset	1779 mov_rrdisp(code, opts->gen.scratch1, opts->gen.context_reg, zf_off(ZF_XY), SZ_B);
731 0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1780 cmp_irdisp(code, 0, dst_op.base, dst_op.disp, SZ_B);
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1781 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1782 setcc_rdisp(code, CC_P, opts->gen.context_reg, zf_off(ZF_PV));
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1783 setcc_rdisp(code, CC_Z, opts->gen.context_reg, zf_off(ZF_Z));
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1784 setcc_rdisp(code, CC_S, opts->gen.context_reg, zf_off(ZF_S));
299 42e1a986f2d0 Fix calcuation of IX/IY dipslacements. Fix a bunch of stuff related to the IX/IY bit/shift/rotate instructions. Mike Pavone <pavone@retrodev.com> parents: 295 diff changeset	1785 if (inst->addr_mode != Z80_UNUSED) {
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	1786 z80_save_result(opts, inst);
299 42e1a986f2d0 Fix calcuation of IX/IY dipslacements. Fix a bunch of stuff related to the IX/IY bit/shift/rotate instructions. Mike Pavone <pavone@retrodev.com> parents: 295 diff changeset	1787 if (src_op.mode != MODE_UNUSED) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1788 z80_save_reg(inst, opts);
299 42e1a986f2d0 Fix calcuation of IX/IY dipslacements. Fix a bunch of stuff related to the IX/IY bit/shift/rotate instructions. Mike Pavone <pavone@retrodev.com> parents: 295 diff changeset	1789 }
275 1a7d0a964ad2 Implement shift instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 274 diff changeset	1790 } else {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1791 z80_save_reg(inst, opts);
275 1a7d0a964ad2 Implement shift instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 274 diff changeset	1792 }
310 bf440db64086 Implement carry flag for shift instructions. Implement weird behavior for bit 0 of SLL. Fix missing break statement in SRL. Mike Pavone <pavone@retrodev.com> parents: 309 diff changeset	1793 break;
286 872a8911e0f4 Implemente RLD Mike Pavone <pavone@retrodev.com> parents: 285 diff changeset	1794 case Z80_RLD:
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	1795 cycles(&opts->gen, num_cycles);
734 e21c274a008e Fix RLD and RRD for the case in which HL does not map to a native register Michael Pavone <pavone@retrodev.com> parents: 731 diff changeset	1796 zreg_to_native(opts, Z80_HL, opts->gen.scratch1);
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	1797 call(code, opts->read_8);
286 872a8911e0f4 Implemente RLD Mike Pavone <pavone@retrodev.com> parents: 285 diff changeset	1798 //Before: (HL) = 0x12, A = 0x34
872a8911e0f4 Implemente RLD Mike Pavone <pavone@retrodev.com> parents: 285 diff changeset	1799 //After: (HL) = 0x24, A = 0x31
734 e21c274a008e Fix RLD and RRD for the case in which HL does not map to a native register Michael Pavone <pavone@retrodev.com> parents: 731 diff changeset	1800 zreg_to_native(opts, Z80_A, opts->gen.scratch2);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1801 shl_ir(code, 4, opts->gen.scratch1, SZ_W);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1802 and_ir(code, 0xF, opts->gen.scratch2, SZ_W);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1803 and_ir(code, 0xFFF, opts->gen.scratch1, SZ_W);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1804 and_ir(code, 0xF0, opts->regs[Z80_A], SZ_B);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1805 or_rr(code, opts->gen.scratch2, opts->gen.scratch1, SZ_W);
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	1806 //opts->gen.scratch1 = 0x0124
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1807 ror_ir(code, 8, opts->gen.scratch1, SZ_W);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1808 cycles(&opts->gen, 4);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1809 or_rr(code, opts->gen.scratch1, opts->regs[Z80_A], SZ_B);
287 fb840e0a48cd Implement RRD and implement flags on RLD Mike Pavone <pavone@retrodev.com> parents: 286 diff changeset	1810 //set flags
1042 a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case Michael Pavone <pavone@retrodev.com> parents: 1040 diff changeset	1811 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_H), SZ_B);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1812 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_N), SZ_B);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1813 setcc_rdisp(code, CC_P, opts->gen.context_reg, zf_off(ZF_PV));
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1814 setcc_rdisp(code, CC_Z, opts->gen.context_reg, zf_off(ZF_Z));
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1815 setcc_rdisp(code, CC_S, opts->gen.context_reg, zf_off(ZF_S));
1054 ca38a29d2d76 Implement undocumented flag bits for RLD and RRD Michael Pavone <pavone@retrodev.com> parents: 1053 diff changeset	1816 mov_rrdisp(code, opts->regs[Z80_A], opts->gen.context_reg, zf_off(ZF_XY), SZ_B);
505 b7b7a1cab44a The local clone on my laptop got messed up and some changes had not been pushed. This commit represents the status of the working copy from that clone. It unfortunately contains some changes that I did not intend to commit yet, but this seems like the best option at the moment. Michael Pavone <pavone@retrodev.com> parents: 467 diff changeset	1817
734 e21c274a008e Fix RLD and RRD for the case in which HL does not map to a native register Michael Pavone <pavone@retrodev.com> parents: 731 diff changeset	1818 zreg_to_native(opts, Z80_HL, opts->gen.scratch2);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1819 ror_ir(code, 8, opts->gen.scratch1, SZ_W);
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	1820 call(code, opts->write_8);
286 872a8911e0f4 Implemente RLD Mike Pavone <pavone@retrodev.com> parents: 285 diff changeset	1821 break;
287 fb840e0a48cd Implement RRD and implement flags on RLD Mike Pavone <pavone@retrodev.com> parents: 286 diff changeset	1822 case Z80_RRD:
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	1823 cycles(&opts->gen, num_cycles);
734 e21c274a008e Fix RLD and RRD for the case in which HL does not map to a native register Michael Pavone <pavone@retrodev.com> parents: 731 diff changeset	1824 zreg_to_native(opts, Z80_HL, opts->gen.scratch1);
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	1825 call(code, opts->read_8);
287 fb840e0a48cd Implement RRD and implement flags on RLD Mike Pavone <pavone@retrodev.com> parents: 286 diff changeset	1826 //Before: (HL) = 0x12, A = 0x34
fb840e0a48cd Implement RRD and implement flags on RLD Mike Pavone <pavone@retrodev.com> parents: 286 diff changeset	1827 //After: (HL) = 0x41, A = 0x32
734 e21c274a008e Fix RLD and RRD for the case in which HL does not map to a native register Michael Pavone <pavone@retrodev.com> parents: 731 diff changeset	1828 zreg_to_native(opts, Z80_A, opts->gen.scratch2);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1829 ror_ir(code, 4, opts->gen.scratch1, SZ_W);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1830 shl_ir(code, 4, opts->gen.scratch2, SZ_W);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1831 and_ir(code, 0xF00F, opts->gen.scratch1, SZ_W);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1832 and_ir(code, 0xF0, opts->regs[Z80_A], SZ_B);
967 1eb616b8cbe9 Fix bug in Z80 rrd implementation. This fixes the annoying high pitched wine in Afterburner II. Michael Pavone <pavone@retrodev.com> parents: 966 diff changeset	1833 and_ir(code, 0xF0, opts->gen.scratch2, SZ_W);
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	1834 //opts->gen.scratch1 = 0x2001
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	1835 //opts->gen.scratch2 = 0x0040
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1836 or_rr(code, opts->gen.scratch2, opts->gen.scratch1, SZ_W);
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	1837 //opts->gen.scratch1 = 0x2041
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1838 ror_ir(code, 8, opts->gen.scratch1, SZ_W);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1839 cycles(&opts->gen, 4);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1840 shr_ir(code, 4, opts->gen.scratch1, SZ_B);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1841 or_rr(code, opts->gen.scratch1, opts->regs[Z80_A], SZ_B);
287 fb840e0a48cd Implement RRD and implement flags on RLD Mike Pavone <pavone@retrodev.com> parents: 286 diff changeset	1842 //set flags
1042 a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case Michael Pavone <pavone@retrodev.com> parents: 1040 diff changeset	1843 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_H), SZ_B);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1844 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_N), SZ_B);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1845 setcc_rdisp(code, CC_P, opts->gen.context_reg, zf_off(ZF_PV));
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1846 setcc_rdisp(code, CC_Z, opts->gen.context_reg, zf_off(ZF_Z));
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1847 setcc_rdisp(code, CC_S, opts->gen.context_reg, zf_off(ZF_S));
1054 ca38a29d2d76 Implement undocumented flag bits for RLD and RRD Michael Pavone <pavone@retrodev.com> parents: 1053 diff changeset	1848 mov_rrdisp(code, opts->regs[Z80_A], opts->gen.context_reg, zf_off(ZF_XY), SZ_B);
505 b7b7a1cab44a The local clone on my laptop got messed up and some changes had not been pushed. This commit represents the status of the working copy from that clone. It unfortunately contains some changes that I did not intend to commit yet, but this seems like the best option at the moment. Michael Pavone <pavone@retrodev.com> parents: 467 diff changeset	1849
734 e21c274a008e Fix RLD and RRD for the case in which HL does not map to a native register Michael Pavone <pavone@retrodev.com> parents: 731 diff changeset	1850 zreg_to_native(opts, Z80_HL, opts->gen.scratch2);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1851 ror_ir(code, 8, opts->gen.scratch1, SZ_W);
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	1852 call(code, opts->write_8);
287 fb840e0a48cd Implement RRD and implement flags on RLD Mike Pavone <pavone@retrodev.com> parents: 286 diff changeset	1853 break;
308 e0e81551fd7e Deal with the fact that there's no 8-bit version of the BT family of instructions on x86 Mike Pavone <pavone@retrodev.com> parents: 307 diff changeset	1854 case Z80_BIT: {
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	1855 if (inst->addr_mode == Z80_IX_DISPLACE \|\| inst->addr_mode == Z80_IY_DISPLACE) {
1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	1856 num_cycles += 8;
1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	1857 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1858 cycles(&opts->gen, num_cycles);
308 e0e81551fd7e Deal with the fact that there's no 8-bit version of the BT family of instructions on x86 Mike Pavone <pavone@retrodev.com> parents: 307 diff changeset	1859 uint8_t bit;
e0e81551fd7e Deal with the fact that there's no 8-bit version of the BT family of instructions on x86 Mike Pavone <pavone@retrodev.com> parents: 307 diff changeset	1860 if ((inst->addr_mode & 0x1F) == Z80_REG && opts->regs[inst->ea_reg] >= AH && opts->regs[inst->ea_reg] <= BH) {
e0e81551fd7e Deal with the fact that there's no 8-bit version of the BT family of instructions on x86 Mike Pavone <pavone@retrodev.com> parents: 307 diff changeset	1861 src_op.base = opts->regs[z80_word_reg(inst->ea_reg)];
737 043393b79e28 Fixes for the 32-bit build accidentally introduced a bug into the 64-bit build, this commit fixes the regression Michael Pavone <pavone@retrodev.com> parents: 735 diff changeset	1862 src_op.mode = MODE_REG_DIRECT;
308 e0e81551fd7e Deal with the fact that there's no 8-bit version of the BT family of instructions on x86 Mike Pavone <pavone@retrodev.com> parents: 307 diff changeset	1863 size = SZ_W;
e0e81551fd7e Deal with the fact that there's no 8-bit version of the BT family of instructions on x86 Mike Pavone <pavone@retrodev.com> parents: 307 diff changeset	1864 bit = inst->immed + 8;
e0e81551fd7e Deal with the fact that there's no 8-bit version of the BT family of instructions on x86 Mike Pavone <pavone@retrodev.com> parents: 307 diff changeset	1865 } else {
e0e81551fd7e Deal with the fact that there's no 8-bit version of the BT family of instructions on x86 Mike Pavone <pavone@retrodev.com> parents: 307 diff changeset	1866 size = SZ_B;
e0e81551fd7e Deal with the fact that there's no 8-bit version of the BT family of instructions on x86 Mike Pavone <pavone@retrodev.com> parents: 307 diff changeset	1867 bit = inst->immed;
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1868 translate_z80_ea(inst, &src_op, opts, READ, DONT_MODIFY);
308 e0e81551fd7e Deal with the fact that there's no 8-bit version of the BT family of instructions on x86 Mike Pavone <pavone@retrodev.com> parents: 307 diff changeset	1869 }
239 a5bea9711a46 Implement BIT and DJNZ (tested). Fix register mapping for IYL. Mike Pavone <pavone@retrodev.com> parents: 238 diff changeset	1870 if (inst->addr_mode != Z80_REG) {
a5bea9711a46 Implement BIT and DJNZ (tested). Fix register mapping for IYL. Mike Pavone <pavone@retrodev.com> parents: 238 diff changeset	1871 //Reads normally take 3 cycles, but the read at the end of a bit instruction takes 4
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1872 cycles(&opts->gen, 1);
239 a5bea9711a46 Implement BIT and DJNZ (tested). Fix register mapping for IYL. Mike Pavone <pavone@retrodev.com> parents: 238 diff changeset	1873 }
731 0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1874 if (src_op.mode == MODE_REG_DIRECT) {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1875 bt_ir(code, bit, src_op.base, size);
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1876 } else {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1877 bt_irdisp(code, bit, src_op.base, src_op.disp, size);
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1878 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1879 setcc_rdisp(code, CC_NC, opts->gen.context_reg, zf_off(ZF_Z));
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1880 setcc_rdisp(code, CC_NC, opts->gen.context_reg, zf_off(ZF_PV));
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1881 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_N), SZ_B);
1042 a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case Michael Pavone <pavone@retrodev.com> parents: 1040 diff changeset	1882 mov_irdisp(code, 1, opts->gen.context_reg, zf_off(ZF_H), SZ_B);
307 b6393b89a7e4 Complete flag behavior for Z80 BIT instruction Mike Pavone <pavone@retrodev.com> parents: 306 diff changeset	1883 if (inst->immed == 7) {
731 0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1884 if (src_op.mode == MODE_REG_DIRECT) {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1885 cmp_ir(code, 0, src_op.base, size);
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1886 } else {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1887 cmp_irdisp(code, 0, src_op.base, src_op.disp, size);
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1888 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1889 setcc_rdisp(code, CC_S, opts->gen.context_reg, zf_off(ZF_S));
307 b6393b89a7e4 Complete flag behavior for Z80 BIT instruction Mike Pavone <pavone@retrodev.com> parents: 306 diff changeset	1890 } else {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1891 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_S), SZ_B);
307 b6393b89a7e4 Complete flag behavior for Z80 BIT instruction Mike Pavone <pavone@retrodev.com> parents: 306 diff changeset	1892 }
1049 ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	1893
ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	1894 if ((inst->addr_mode & 0x1F) == Z80_REG) {
ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	1895 if (src_op.mode == MODE_REG_DIRECT) {
ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	1896 if (size == SZ_W) {
ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	1897 mov_rr(code, src_op.base, opts->gen.scratch1, SZ_W);
ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	1898 shr_ir(code, 8, opts->gen.scratch1, SZ_W);
ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	1899 mov_rrdisp(code, opts->gen.scratch1, opts->gen.context_reg, zf_off(ZF_XY), SZ_B);
ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	1900 } else {
ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	1901 mov_rrdisp(code, src_op.base, opts->gen.context_reg, zf_off(ZF_XY), SZ_B);
ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	1902 }
ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	1903 } else {
ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	1904 mov_rdispr(code, src_op.base, src_op.disp, opts->gen.scratch1, SZ_B);
ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	1905 mov_rrdisp(code, opts->gen.scratch1, opts->gen.context_reg, zf_off(ZF_XY), SZ_B);
ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	1906 }
ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	1907 } else if((inst->addr_mode & 0x1F) != Z80_REG_INDIRECT) {
ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	1908 zreg_to_native(opts, (inst->addr_mode & 0x1F) == Z80_IX_DISPLACE ? Z80_IX : Z80_IY, opts->gen.scratch2);
ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	1909 add_ir(code, inst->ea_reg & 0x80 ? inst->ea_reg - 256 : inst->ea_reg, opts->gen.scratch2, SZ_W);
ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	1910 shr_ir(code, 8, opts->gen.scratch2, SZ_W);
ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	1911 mov_rrdisp(code, opts->gen.scratch2, opts->gen.context_reg, zf_off(ZF_XY), SZ_B);
ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	1912 }
239 a5bea9711a46 Implement BIT and DJNZ (tested). Fix register mapping for IYL. Mike Pavone <pavone@retrodev.com> parents: 238 diff changeset	1913 break;
308 e0e81551fd7e Deal with the fact that there's no 8-bit version of the BT family of instructions on x86 Mike Pavone <pavone@retrodev.com> parents: 307 diff changeset	1914 }
e0e81551fd7e Deal with the fact that there's no 8-bit version of the BT family of instructions on x86 Mike Pavone <pavone@retrodev.com> parents: 307 diff changeset	1915 case Z80_SET: {
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	1916 if (inst->addr_mode == Z80_IX_DISPLACE \|\| inst->addr_mode == Z80_IY_DISPLACE) {
1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	1917 num_cycles += 8;
1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	1918 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1919 cycles(&opts->gen, num_cycles);
308 e0e81551fd7e Deal with the fact that there's no 8-bit version of the BT family of instructions on x86 Mike Pavone <pavone@retrodev.com> parents: 307 diff changeset	1920 uint8_t bit;
e0e81551fd7e Deal with the fact that there's no 8-bit version of the BT family of instructions on x86 Mike Pavone <pavone@retrodev.com> parents: 307 diff changeset	1921 if ((inst->addr_mode & 0x1F) == Z80_REG && opts->regs[inst->ea_reg] >= AH && opts->regs[inst->ea_reg] <= BH) {
e0e81551fd7e Deal with the fact that there's no 8-bit version of the BT family of instructions on x86 Mike Pavone <pavone@retrodev.com> parents: 307 diff changeset	1922 src_op.base = opts->regs[z80_word_reg(inst->ea_reg)];
737 043393b79e28 Fixes for the 32-bit build accidentally introduced a bug into the 64-bit build, this commit fixes the regression Michael Pavone <pavone@retrodev.com> parents: 735 diff changeset	1923 src_op.mode = MODE_REG_DIRECT;
308 e0e81551fd7e Deal with the fact that there's no 8-bit version of the BT family of instructions on x86 Mike Pavone <pavone@retrodev.com> parents: 307 diff changeset	1924 size = SZ_W;
e0e81551fd7e Deal with the fact that there's no 8-bit version of the BT family of instructions on x86 Mike Pavone <pavone@retrodev.com> parents: 307 diff changeset	1925 bit = inst->immed + 8;
e0e81551fd7e Deal with the fact that there's no 8-bit version of the BT family of instructions on x86 Mike Pavone <pavone@retrodev.com> parents: 307 diff changeset	1926 } else {
e0e81551fd7e Deal with the fact that there's no 8-bit version of the BT family of instructions on x86 Mike Pavone <pavone@retrodev.com> parents: 307 diff changeset	1927 size = SZ_B;
e0e81551fd7e Deal with the fact that there's no 8-bit version of the BT family of instructions on x86 Mike Pavone <pavone@retrodev.com> parents: 307 diff changeset	1928 bit = inst->immed;
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1929 translate_z80_ea(inst, &src_op, opts, READ, MODIFY);
308 e0e81551fd7e Deal with the fact that there's no 8-bit version of the BT family of instructions on x86 Mike Pavone <pavone@retrodev.com> parents: 307 diff changeset	1930 }
299 42e1a986f2d0 Fix calcuation of IX/IY dipslacements. Fix a bunch of stuff related to the IX/IY bit/shift/rotate instructions. Mike Pavone <pavone@retrodev.com> parents: 295 diff changeset	1931 if (inst->reg != Z80_USE_IMMED) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1932 translate_z80_reg(inst, &dst_op, opts);
299 42e1a986f2d0 Fix calcuation of IX/IY dipslacements. Fix a bunch of stuff related to the IX/IY bit/shift/rotate instructions. Mike Pavone <pavone@retrodev.com> parents: 295 diff changeset	1933 }
247 682e505f5757 Implement rotation and bit set/reset instructions (untested). Mike Pavone <pavone@retrodev.com> parents: 246 diff changeset	1934 if (inst->addr_mode != Z80_REG) {
682e505f5757 Implement rotation and bit set/reset instructions (untested). Mike Pavone <pavone@retrodev.com> parents: 246 diff changeset	1935 //Reads normally take 3 cycles, but the read in the middle of a set instruction takes 4
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1936 cycles(&opts->gen, 1);
247 682e505f5757 Implement rotation and bit set/reset instructions (untested). Mike Pavone <pavone@retrodev.com> parents: 246 diff changeset	1937 }
731 0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1938 if (src_op.mode == MODE_REG_DIRECT) {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1939 bts_ir(code, bit, src_op.base, size);
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1940 } else {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1941 bts_irdisp(code, bit, src_op.base, src_op.disp, size);
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1942 }
299 42e1a986f2d0 Fix calcuation of IX/IY dipslacements. Fix a bunch of stuff related to the IX/IY bit/shift/rotate instructions. Mike Pavone <pavone@retrodev.com> parents: 295 diff changeset	1943 if (inst->reg != Z80_USE_IMMED) {
308 e0e81551fd7e Deal with the fact that there's no 8-bit version of the BT family of instructions on x86 Mike Pavone <pavone@retrodev.com> parents: 307 diff changeset	1944 if (size == SZ_W) {
666 b68039895627 In theory, the Z80 core should work on 32-bit builds now; however, I suspect there is some code that cannot deal with most of the Z80 registers not having a native register so more work will be needed Michael Pavone <pavone@retrodev.com> parents: 665 diff changeset	1945 #ifdef X86_64
308 e0e81551fd7e Deal with the fact that there's no 8-bit version of the BT family of instructions on x86 Mike Pavone <pavone@retrodev.com> parents: 307 diff changeset	1946 if (dst_op.base >= R8) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1947 ror_ir(code, 8, src_op.base, SZ_W);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1948 mov_rr(code, opts->regs[z80_low_reg(inst->ea_reg)], dst_op.base, SZ_B);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1949 ror_ir(code, 8, src_op.base, SZ_W);
308 e0e81551fd7e Deal with the fact that there's no 8-bit version of the BT family of instructions on x86 Mike Pavone <pavone@retrodev.com> parents: 307 diff changeset	1950 } else {
666 b68039895627 In theory, the Z80 core should work on 32-bit builds now; however, I suspect there is some code that cannot deal with most of the Z80 registers not having a native register so more work will be needed Michael Pavone <pavone@retrodev.com> parents: 665 diff changeset	1951 #endif
731 0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1952 if (dst_op.mode == MODE_REG_DIRECT) {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1953 zreg_to_native(opts, inst->ea_reg, dst_op.base);
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1954 } else {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1955 zreg_to_native(opts, inst->ea_reg, opts->gen.scratch1);
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1956 mov_rrdisp(code, opts->gen.scratch1, dst_op.base, dst_op.disp, SZ_B);
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1957 }
666 b68039895627 In theory, the Z80 core should work on 32-bit builds now; however, I suspect there is some code that cannot deal with most of the Z80 registers not having a native register so more work will be needed Michael Pavone <pavone@retrodev.com> parents: 665 diff changeset	1958 #ifdef X86_64
505 b7b7a1cab44a The local clone on my laptop got messed up and some changes had not been pushed. This commit represents the status of the working copy from that clone. It unfortunately contains some changes that I did not intend to commit yet, but this seems like the best option at the moment. Michael Pavone <pavone@retrodev.com> parents: 467 diff changeset	1959 }
666 b68039895627 In theory, the Z80 core should work on 32-bit builds now; however, I suspect there is some code that cannot deal with most of the Z80 registers not having a native register so more work will be needed Michael Pavone <pavone@retrodev.com> parents: 665 diff changeset	1960 #endif
308 e0e81551fd7e Deal with the fact that there's no 8-bit version of the BT family of instructions on x86 Mike Pavone <pavone@retrodev.com> parents: 307 diff changeset	1961 } else {
731 0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1962 if (dst_op.mode == MODE_REG_DIRECT) {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1963 if (src_op.mode == MODE_REG_DIRECT) {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1964 mov_rr(code, src_op.base, dst_op.base, SZ_B);
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1965 } else {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1966 mov_rdispr(code, src_op.base, src_op.disp, dst_op.base, SZ_B);
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1967 }
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1968 } else if (src_op.mode == MODE_REG_DIRECT) {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1969 mov_rrdisp(code, src_op.base, dst_op.base, dst_op.disp, SZ_B);
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1970 } else {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1971 mov_rdispr(code, src_op.base, src_op.disp, opts->gen.scratch1, SZ_B);
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1972 mov_rrdisp(code, opts->gen.scratch1, dst_op.base, dst_op.disp, SZ_B);
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1973 }
308 e0e81551fd7e Deal with the fact that there's no 8-bit version of the BT family of instructions on x86 Mike Pavone <pavone@retrodev.com> parents: 307 diff changeset	1974 }
e0e81551fd7e Deal with the fact that there's no 8-bit version of the BT family of instructions on x86 Mike Pavone <pavone@retrodev.com> parents: 307 diff changeset	1975 }
e0e81551fd7e Deal with the fact that there's no 8-bit version of the BT family of instructions on x86 Mike Pavone <pavone@retrodev.com> parents: 307 diff changeset	1976 if ((inst->addr_mode & 0x1F) != Z80_REG) {
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	1977 z80_save_result(opts, inst);
308 e0e81551fd7e Deal with the fact that there's no 8-bit version of the BT family of instructions on x86 Mike Pavone <pavone@retrodev.com> parents: 307 diff changeset	1978 if (inst->reg != Z80_USE_IMMED) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1979 z80_save_reg(inst, opts);
308 e0e81551fd7e Deal with the fact that there's no 8-bit version of the BT family of instructions on x86 Mike Pavone <pavone@retrodev.com> parents: 307 diff changeset	1980 }
e0e81551fd7e Deal with the fact that there's no 8-bit version of the BT family of instructions on x86 Mike Pavone <pavone@retrodev.com> parents: 307 diff changeset	1981 }
e0e81551fd7e Deal with the fact that there's no 8-bit version of the BT family of instructions on x86 Mike Pavone <pavone@retrodev.com> parents: 307 diff changeset	1982 break;
e0e81551fd7e Deal with the fact that there's no 8-bit version of the BT family of instructions on x86 Mike Pavone <pavone@retrodev.com> parents: 307 diff changeset	1983 }
e0e81551fd7e Deal with the fact that there's no 8-bit version of the BT family of instructions on x86 Mike Pavone <pavone@retrodev.com> parents: 307 diff changeset	1984 case Z80_RES: {
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	1985 if (inst->addr_mode == Z80_IX_DISPLACE \|\| inst->addr_mode == Z80_IY_DISPLACE) {
1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	1986 num_cycles += 8;
1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	1987 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1988 cycles(&opts->gen, num_cycles);
308 e0e81551fd7e Deal with the fact that there's no 8-bit version of the BT family of instructions on x86 Mike Pavone <pavone@retrodev.com> parents: 307 diff changeset	1989 uint8_t bit;
e0e81551fd7e Deal with the fact that there's no 8-bit version of the BT family of instructions on x86 Mike Pavone <pavone@retrodev.com> parents: 307 diff changeset	1990 if ((inst->addr_mode & 0x1F) == Z80_REG && opts->regs[inst->ea_reg] >= AH && opts->regs[inst->ea_reg] <= BH) {
e0e81551fd7e Deal with the fact that there's no 8-bit version of the BT family of instructions on x86 Mike Pavone <pavone@retrodev.com> parents: 307 diff changeset	1991 src_op.base = opts->regs[z80_word_reg(inst->ea_reg)];
737 043393b79e28 Fixes for the 32-bit build accidentally introduced a bug into the 64-bit build, this commit fixes the regression Michael Pavone <pavone@retrodev.com> parents: 735 diff changeset	1992 src_op.mode = MODE_REG_DIRECT;
308 e0e81551fd7e Deal with the fact that there's no 8-bit version of the BT family of instructions on x86 Mike Pavone <pavone@retrodev.com> parents: 307 diff changeset	1993 size = SZ_W;
e0e81551fd7e Deal with the fact that there's no 8-bit version of the BT family of instructions on x86 Mike Pavone <pavone@retrodev.com> parents: 307 diff changeset	1994 bit = inst->immed + 8;
e0e81551fd7e Deal with the fact that there's no 8-bit version of the BT family of instructions on x86 Mike Pavone <pavone@retrodev.com> parents: 307 diff changeset	1995 } else {
e0e81551fd7e Deal with the fact that there's no 8-bit version of the BT family of instructions on x86 Mike Pavone <pavone@retrodev.com> parents: 307 diff changeset	1996 size = SZ_B;
e0e81551fd7e Deal with the fact that there's no 8-bit version of the BT family of instructions on x86 Mike Pavone <pavone@retrodev.com> parents: 307 diff changeset	1997 bit = inst->immed;
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1998 translate_z80_ea(inst, &src_op, opts, READ, MODIFY);
308 e0e81551fd7e Deal with the fact that there's no 8-bit version of the BT family of instructions on x86 Mike Pavone <pavone@retrodev.com> parents: 307 diff changeset	1999 }
e0e81551fd7e Deal with the fact that there's no 8-bit version of the BT family of instructions on x86 Mike Pavone <pavone@retrodev.com> parents: 307 diff changeset	2000 if (inst->reg != Z80_USE_IMMED) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2001 translate_z80_reg(inst, &dst_op, opts);
308 e0e81551fd7e Deal with the fact that there's no 8-bit version of the BT family of instructions on x86 Mike Pavone <pavone@retrodev.com> parents: 307 diff changeset	2002 }
e0e81551fd7e Deal with the fact that there's no 8-bit version of the BT family of instructions on x86 Mike Pavone <pavone@retrodev.com> parents: 307 diff changeset	2003 if (inst->addr_mode != Z80_REG) {
e0e81551fd7e Deal with the fact that there's no 8-bit version of the BT family of instructions on x86 Mike Pavone <pavone@retrodev.com> parents: 307 diff changeset	2004 //Reads normally take 3 cycles, but the read in the middle of a set instruction takes 4
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2005 cycles(&opts->gen, 1);
308 e0e81551fd7e Deal with the fact that there's no 8-bit version of the BT family of instructions on x86 Mike Pavone <pavone@retrodev.com> parents: 307 diff changeset	2006 }
731 0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	2007 if (src_op.mode == MODE_REG_DIRECT) {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	2008 btr_ir(code, bit, src_op.base, size);
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	2009 } else {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	2010 btr_irdisp(code, bit, src_op.base, src_op.disp, size);
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	2011 }
308 e0e81551fd7e Deal with the fact that there's no 8-bit version of the BT family of instructions on x86 Mike Pavone <pavone@retrodev.com> parents: 307 diff changeset	2012 if (inst->reg != Z80_USE_IMMED) {
e0e81551fd7e Deal with the fact that there's no 8-bit version of the BT family of instructions on x86 Mike Pavone <pavone@retrodev.com> parents: 307 diff changeset	2013 if (size == SZ_W) {
666 b68039895627 In theory, the Z80 core should work on 32-bit builds now; however, I suspect there is some code that cannot deal with most of the Z80 registers not having a native register so more work will be needed Michael Pavone <pavone@retrodev.com> parents: 665 diff changeset	2014 #ifdef X86_64
308 e0e81551fd7e Deal with the fact that there's no 8-bit version of the BT family of instructions on x86 Mike Pavone <pavone@retrodev.com> parents: 307 diff changeset	2015 if (dst_op.base >= R8) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2016 ror_ir(code, 8, src_op.base, SZ_W);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2017 mov_rr(code, opts->regs[z80_low_reg(inst->ea_reg)], dst_op.base, SZ_B);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2018 ror_ir(code, 8, src_op.base, SZ_W);
308 e0e81551fd7e Deal with the fact that there's no 8-bit version of the BT family of instructions on x86 Mike Pavone <pavone@retrodev.com> parents: 307 diff changeset	2019 } else {
666 b68039895627 In theory, the Z80 core should work on 32-bit builds now; however, I suspect there is some code that cannot deal with most of the Z80 registers not having a native register so more work will be needed Michael Pavone <pavone@retrodev.com> parents: 665 diff changeset	2020 #endif
731 0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	2021 if (dst_op.mode == MODE_REG_DIRECT) {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	2022 zreg_to_native(opts, inst->ea_reg, dst_op.base);
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	2023 } else {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	2024 zreg_to_native(opts, inst->ea_reg, opts->gen.scratch1);
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	2025 mov_rrdisp(code, opts->gen.scratch1, dst_op.base, dst_op.disp, SZ_B);
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	2026 }
666 b68039895627 In theory, the Z80 core should work on 32-bit builds now; however, I suspect there is some code that cannot deal with most of the Z80 registers not having a native register so more work will be needed Michael Pavone <pavone@retrodev.com> parents: 665 diff changeset	2027 #ifdef X86_64
505 b7b7a1cab44a The local clone on my laptop got messed up and some changes had not been pushed. This commit represents the status of the working copy from that clone. It unfortunately contains some changes that I did not intend to commit yet, but this seems like the best option at the moment. Michael Pavone <pavone@retrodev.com> parents: 467 diff changeset	2028 }
666 b68039895627 In theory, the Z80 core should work on 32-bit builds now; however, I suspect there is some code that cannot deal with most of the Z80 registers not having a native register so more work will be needed Michael Pavone <pavone@retrodev.com> parents: 665 diff changeset	2029 #endif
308 e0e81551fd7e Deal with the fact that there's no 8-bit version of the BT family of instructions on x86 Mike Pavone <pavone@retrodev.com> parents: 307 diff changeset	2030 } else {
731 0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	2031 if (dst_op.mode == MODE_REG_DIRECT) {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	2032 if (src_op.mode == MODE_REG_DIRECT) {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	2033 mov_rr(code, src_op.base, dst_op.base, SZ_B);
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	2034 } else {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	2035 mov_rdispr(code, src_op.base, src_op.disp, dst_op.base, SZ_B);
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	2036 }
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	2037 } else if (src_op.mode == MODE_REG_DIRECT) {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	2038 mov_rrdisp(code, src_op.base, dst_op.base, dst_op.disp, SZ_B);
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	2039 } else {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	2040 mov_rdispr(code, src_op.base, src_op.disp, opts->gen.scratch1, SZ_B);
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	2041 mov_rrdisp(code, opts->gen.scratch1, dst_op.base, dst_op.disp, SZ_B);
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	2042 }
308 e0e81551fd7e Deal with the fact that there's no 8-bit version of the BT family of instructions on x86 Mike Pavone <pavone@retrodev.com> parents: 307 diff changeset	2043 }
299 42e1a986f2d0 Fix calcuation of IX/IY dipslacements. Fix a bunch of stuff related to the IX/IY bit/shift/rotate instructions. Mike Pavone <pavone@retrodev.com> parents: 295 diff changeset	2044 }
247 682e505f5757 Implement rotation and bit set/reset instructions (untested). Mike Pavone <pavone@retrodev.com> parents: 246 diff changeset	2045 if (inst->addr_mode != Z80_REG) {
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	2046 z80_save_result(opts, inst);
299 42e1a986f2d0 Fix calcuation of IX/IY dipslacements. Fix a bunch of stuff related to the IX/IY bit/shift/rotate instructions. Mike Pavone <pavone@retrodev.com> parents: 295 diff changeset	2047 if (inst->reg != Z80_USE_IMMED) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2048 z80_save_reg(inst, opts);
299 42e1a986f2d0 Fix calcuation of IX/IY dipslacements. Fix a bunch of stuff related to the IX/IY bit/shift/rotate instructions. Mike Pavone <pavone@retrodev.com> parents: 295 diff changeset	2049 }
247 682e505f5757 Implement rotation and bit set/reset instructions (untested). Mike Pavone <pavone@retrodev.com> parents: 246 diff changeset	2050 }
682e505f5757 Implement rotation and bit set/reset instructions (untested). Mike Pavone <pavone@retrodev.com> parents: 246 diff changeset	2051 break;
308 e0e81551fd7e Deal with the fact that there's no 8-bit version of the BT family of instructions on x86 Mike Pavone <pavone@retrodev.com> parents: 307 diff changeset	2052 }
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	2053 case Z80_JP: {
506 a3b48a57e847 Fix timing of certain ld and jp instructions in the Z80 core Michael Pavone <pavone@retrodev.com> parents: 505 diff changeset	2054 if (inst->addr_mode != Z80_REG_INDIRECT) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2055 num_cycles += 6;
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	2056 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2057 cycles(&opts->gen, num_cycles);
653 a18e3923481e Remove some of the hard coded assumptions about the memory map from the CPU cores Michael Pavone <pavone@retrodev.com> parents: 652 diff changeset	2058 if (inst->addr_mode != Z80_REG_INDIRECT) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2059 code_ptr call_dst = z80_get_native_address(context, inst->immed);
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	2060 if (!call_dst) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2061 opts->gen.deferred = defer_address(opts->gen.deferred, inst->immed, code->cur + 1);
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	2062 //fake address to force large displacement
601 f0061e3d2ad9 Fix a few bugs introduced in the Z80 core from the adjustments to fit with the code gen refactor Michael Pavone <pavone@retrodev.com> parents: 598 diff changeset	2063 call_dst = code->cur + 256;
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	2064 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2065 jmp(code, call_dst);
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	2066 } else {
239 a5bea9711a46 Implement BIT and DJNZ (tested). Fix register mapping for IYL. Mike Pavone <pavone@retrodev.com> parents: 238 diff changeset	2067 if (inst->addr_mode == Z80_REG_INDIRECT) {
729 9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	2068 zreg_to_native(opts, inst->ea_reg, opts->gen.scratch1);
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	2069 } else {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2070 mov_ir(code, inst->immed, opts->gen.scratch1, SZ_W);
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	2071 }
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	2072 call(code, opts->native_addr);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2073 jmp_r(code, opts->gen.scratch1);
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	2074 }
19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	2075 break;
19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	2076 }
19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	2077 case Z80_JPCC: {
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	2078 cycles(&opts->gen, num_cycles + 3);//T States: 4,3
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	2079 uint8_t cond = CC_Z;
19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	2080 switch (inst->reg)
19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	2081 {
19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	2082 case Z80_CC_NZ:
19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	2083 cond = CC_NZ;
19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	2084 case Z80_CC_Z:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2085 cmp_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_Z), SZ_B);
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	2086 break;
19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	2087 case Z80_CC_NC:
19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	2088 cond = CC_NZ;
19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	2089 case Z80_CC_C:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2090 cmp_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_C), SZ_B);
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	2091 break;
238 827ebce557bf Added the rest of the conditions to JPCC, implemented CALLCC (untested) Mike Pavone <pavone@retrodev.com> parents: 236 diff changeset	2092 case Z80_CC_PO:
827ebce557bf Added the rest of the conditions to JPCC, implemented CALLCC (untested) Mike Pavone <pavone@retrodev.com> parents: 236 diff changeset	2093 cond = CC_NZ;
827ebce557bf Added the rest of the conditions to JPCC, implemented CALLCC (untested) Mike Pavone <pavone@retrodev.com> parents: 236 diff changeset	2094 case Z80_CC_PE:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2095 cmp_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_PV), SZ_B);
238 827ebce557bf Added the rest of the conditions to JPCC, implemented CALLCC (untested) Mike Pavone <pavone@retrodev.com> parents: 236 diff changeset	2096 break;
827ebce557bf Added the rest of the conditions to JPCC, implemented CALLCC (untested) Mike Pavone <pavone@retrodev.com> parents: 236 diff changeset	2097 case Z80_CC_P:
367 f20562f2a570 Fix P condition in Z80 core Mike Pavone <pavone@retrodev.com> parents: 366 diff changeset	2098 cond = CC_NZ;
238 827ebce557bf Added the rest of the conditions to JPCC, implemented CALLCC (untested) Mike Pavone <pavone@retrodev.com> parents: 236 diff changeset	2099 case Z80_CC_M:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2100 cmp_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_S), SZ_B);
238 827ebce557bf Added the rest of the conditions to JPCC, implemented CALLCC (untested) Mike Pavone <pavone@retrodev.com> parents: 236 diff changeset	2101 break;
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	2102 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2103 uint8_t *no_jump_off = code->cur+1;
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2104 jcc(code, cond, code->cur+2);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2105 cycles(&opts->gen, 5);//T States: 5
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	2106 uint16_t dest_addr = inst->immed;
653 a18e3923481e Remove some of the hard coded assumptions about the memory map from the CPU cores Michael Pavone <pavone@retrodev.com> parents: 652 diff changeset	2107 code_ptr call_dst = z80_get_native_address(context, dest_addr);
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	2108 if (!call_dst) {
653 a18e3923481e Remove some of the hard coded assumptions about the memory map from the CPU cores Michael Pavone <pavone@retrodev.com> parents: 652 diff changeset	2109 opts->gen.deferred = defer_address(opts->gen.deferred, dest_addr, code->cur + 1);
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	2110 //fake address to force large displacement
653 a18e3923481e Remove some of the hard coded assumptions about the memory map from the CPU cores Michael Pavone <pavone@retrodev.com> parents: 652 diff changeset	2111 call_dst = code->cur + 256;
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	2112 }
653 a18e3923481e Remove some of the hard coded assumptions about the memory map from the CPU cores Michael Pavone <pavone@retrodev.com> parents: 652 diff changeset	2113 jmp(code, call_dst);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2114 *no_jump_off = code->cur - (no_jump_off+1);
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	2115 break;
19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	2116 }
19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	2117 case Z80_JR: {
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	2118 cycles(&opts->gen, num_cycles + 8);//T States: 4,3,5
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	2119 uint16_t dest_addr = address + inst->immed + 2;
653 a18e3923481e Remove some of the hard coded assumptions about the memory map from the CPU cores Michael Pavone <pavone@retrodev.com> parents: 652 diff changeset	2120 code_ptr call_dst = z80_get_native_address(context, dest_addr);
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	2121 if (!call_dst) {
653 a18e3923481e Remove some of the hard coded assumptions about the memory map from the CPU cores Michael Pavone <pavone@retrodev.com> parents: 652 diff changeset	2122 opts->gen.deferred = defer_address(opts->gen.deferred, dest_addr, code->cur + 1);
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	2123 //fake address to force large displacement
653 a18e3923481e Remove some of the hard coded assumptions about the memory map from the CPU cores Michael Pavone <pavone@retrodev.com> parents: 652 diff changeset	2124 call_dst = code->cur + 256;
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	2125 }
653 a18e3923481e Remove some of the hard coded assumptions about the memory map from the CPU cores Michael Pavone <pavone@retrodev.com> parents: 652 diff changeset	2126 jmp(code, call_dst);
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	2127 break;
19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	2128 }
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2129 case Z80_JRCC: {
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	2130 cycles(&opts->gen, num_cycles + 3);//T States: 4,3
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2131 uint8_t cond = CC_Z;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2132 switch (inst->reg)
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2133 {
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2134 case Z80_CC_NZ:
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2135 cond = CC_NZ;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2136 case Z80_CC_Z:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2137 cmp_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_Z), SZ_B);
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2138 break;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2139 case Z80_CC_NC:
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2140 cond = CC_NZ;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2141 case Z80_CC_C:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2142 cmp_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_C), SZ_B);
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2143 break;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2144 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2145 uint8_t *no_jump_off = code->cur+1;
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2146 jcc(code, cond, code->cur+2);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2147 cycles(&opts->gen, 5);//T States: 5
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2148 uint16_t dest_addr = address + inst->immed + 2;
653 a18e3923481e Remove some of the hard coded assumptions about the memory map from the CPU cores Michael Pavone <pavone@retrodev.com> parents: 652 diff changeset	2149 code_ptr call_dst = z80_get_native_address(context, dest_addr);
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2150 if (!call_dst) {
653 a18e3923481e Remove some of the hard coded assumptions about the memory map from the CPU cores Michael Pavone <pavone@retrodev.com> parents: 652 diff changeset	2151 opts->gen.deferred = defer_address(opts->gen.deferred, dest_addr, code->cur + 1);
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2152 //fake address to force large displacement
653 a18e3923481e Remove some of the hard coded assumptions about the memory map from the CPU cores Michael Pavone <pavone@retrodev.com> parents: 652 diff changeset	2153 call_dst = code->cur + 256;
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2154 }
653 a18e3923481e Remove some of the hard coded assumptions about the memory map from the CPU cores Michael Pavone <pavone@retrodev.com> parents: 652 diff changeset	2155 jmp(code, call_dst);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2156 *no_jump_off = code->cur - (no_jump_off+1);
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2157 break;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2158 }
653 a18e3923481e Remove some of the hard coded assumptions about the memory map from the CPU cores Michael Pavone <pavone@retrodev.com> parents: 652 diff changeset	2159 case Z80_DJNZ: {
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	2160 cycles(&opts->gen, num_cycles + 4);//T States: 5,3
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	2161 if (opts->regs[Z80_B] >= 0) {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	2162 sub_ir(code, 1, opts->regs[Z80_B], SZ_B);
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	2163 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	2164 sub_irdisp(code, 1, opts->gen.context_reg, zr_off(Z80_B), SZ_B);
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	2165 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2166 uint8_t *no_jump_off = code->cur+1;
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2167 jcc(code, CC_Z, code->cur+2);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2168 cycles(&opts->gen, 5);//T States: 5
239 a5bea9711a46 Implement BIT and DJNZ (tested). Fix register mapping for IYL. Mike Pavone <pavone@retrodev.com> parents: 238 diff changeset	2169 uint16_t dest_addr = address + inst->immed + 2;
653 a18e3923481e Remove some of the hard coded assumptions about the memory map from the CPU cores Michael Pavone <pavone@retrodev.com> parents: 652 diff changeset	2170 code_ptr call_dst = z80_get_native_address(context, dest_addr);
239 a5bea9711a46 Implement BIT and DJNZ (tested). Fix register mapping for IYL. Mike Pavone <pavone@retrodev.com> parents: 238 diff changeset	2171 if (!call_dst) {
653 a18e3923481e Remove some of the hard coded assumptions about the memory map from the CPU cores Michael Pavone <pavone@retrodev.com> parents: 652 diff changeset	2172 opts->gen.deferred = defer_address(opts->gen.deferred, dest_addr, code->cur + 1);
239 a5bea9711a46 Implement BIT and DJNZ (tested). Fix register mapping for IYL. Mike Pavone <pavone@retrodev.com> parents: 238 diff changeset	2173 //fake address to force large displacement
653 a18e3923481e Remove some of the hard coded assumptions about the memory map from the CPU cores Michael Pavone <pavone@retrodev.com> parents: 652 diff changeset	2174 call_dst = code->cur + 256;
239 a5bea9711a46 Implement BIT and DJNZ (tested). Fix register mapping for IYL. Mike Pavone <pavone@retrodev.com> parents: 238 diff changeset	2175 }
653 a18e3923481e Remove some of the hard coded assumptions about the memory map from the CPU cores Michael Pavone <pavone@retrodev.com> parents: 652 diff changeset	2176 jmp(code, call_dst);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2177 *no_jump_off = code->cur - (no_jump_off+1);
239 a5bea9711a46 Implement BIT and DJNZ (tested). Fix register mapping for IYL. Mike Pavone <pavone@retrodev.com> parents: 238 diff changeset	2178 break;
a5bea9711a46 Implement BIT and DJNZ (tested). Fix register mapping for IYL. Mike Pavone <pavone@retrodev.com> parents: 238 diff changeset	2179 }
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2180 case Z80_CALL: {
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	2181 cycles(&opts->gen, num_cycles + 7);//T States: 4,3,4
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2182 sub_ir(code, 2, opts->regs[Z80_SP], SZ_W);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2183 mov_ir(code, address + 3, opts->gen.scratch1, SZ_W);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2184 mov_rr(code, opts->regs[Z80_SP], opts->gen.scratch2, SZ_W);
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	2185 call(code, opts->write_16_highfirst);//T States: 3, 3
653 a18e3923481e Remove some of the hard coded assumptions about the memory map from the CPU cores Michael Pavone <pavone@retrodev.com> parents: 652 diff changeset	2186 code_ptr call_dst = z80_get_native_address(context, inst->immed);
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2187 if (!call_dst) {
653 a18e3923481e Remove some of the hard coded assumptions about the memory map from the CPU cores Michael Pavone <pavone@retrodev.com> parents: 652 diff changeset	2188 opts->gen.deferred = defer_address(opts->gen.deferred, inst->immed, code->cur + 1);
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2189 //fake address to force large displacement
653 a18e3923481e Remove some of the hard coded assumptions about the memory map from the CPU cores Michael Pavone <pavone@retrodev.com> parents: 652 diff changeset	2190 call_dst = code->cur + 256;
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2191 }
653 a18e3923481e Remove some of the hard coded assumptions about the memory map from the CPU cores Michael Pavone <pavone@retrodev.com> parents: 652 diff changeset	2192 jmp(code, call_dst);
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2193 break;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2194 }
653 a18e3923481e Remove some of the hard coded assumptions about the memory map from the CPU cores Michael Pavone <pavone@retrodev.com> parents: 652 diff changeset	2195 case Z80_CALLCC: {
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	2196 cycles(&opts->gen, num_cycles + 6);//T States: 4,3,3 (false case)
238 827ebce557bf Added the rest of the conditions to JPCC, implemented CALLCC (untested) Mike Pavone <pavone@retrodev.com> parents: 236 diff changeset	2197 uint8_t cond = CC_Z;
827ebce557bf Added the rest of the conditions to JPCC, implemented CALLCC (untested) Mike Pavone <pavone@retrodev.com> parents: 236 diff changeset	2198 switch (inst->reg)
827ebce557bf Added the rest of the conditions to JPCC, implemented CALLCC (untested) Mike Pavone <pavone@retrodev.com> parents: 236 diff changeset	2199 {
827ebce557bf Added the rest of the conditions to JPCC, implemented CALLCC (untested) Mike Pavone <pavone@retrodev.com> parents: 236 diff changeset	2200 case Z80_CC_NZ:
827ebce557bf Added the rest of the conditions to JPCC, implemented CALLCC (untested) Mike Pavone <pavone@retrodev.com> parents: 236 diff changeset	2201 cond = CC_NZ;
827ebce557bf Added the rest of the conditions to JPCC, implemented CALLCC (untested) Mike Pavone <pavone@retrodev.com> parents: 236 diff changeset	2202 case Z80_CC_Z:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2203 cmp_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_Z), SZ_B);
238 827ebce557bf Added the rest of the conditions to JPCC, implemented CALLCC (untested) Mike Pavone <pavone@retrodev.com> parents: 236 diff changeset	2204 break;
827ebce557bf Added the rest of the conditions to JPCC, implemented CALLCC (untested) Mike Pavone <pavone@retrodev.com> parents: 236 diff changeset	2205 case Z80_CC_NC:
827ebce557bf Added the rest of the conditions to JPCC, implemented CALLCC (untested) Mike Pavone <pavone@retrodev.com> parents: 236 diff changeset	2206 cond = CC_NZ;
827ebce557bf Added the rest of the conditions to JPCC, implemented CALLCC (untested) Mike Pavone <pavone@retrodev.com> parents: 236 diff changeset	2207 case Z80_CC_C:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2208 cmp_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_C), SZ_B);
238 827ebce557bf Added the rest of the conditions to JPCC, implemented CALLCC (untested) Mike Pavone <pavone@retrodev.com> parents: 236 diff changeset	2209 break;
827ebce557bf Added the rest of the conditions to JPCC, implemented CALLCC (untested) Mike Pavone <pavone@retrodev.com> parents: 236 diff changeset	2210 case Z80_CC_PO:
827ebce557bf Added the rest of the conditions to JPCC, implemented CALLCC (untested) Mike Pavone <pavone@retrodev.com> parents: 236 diff changeset	2211 cond = CC_NZ;
827ebce557bf Added the rest of the conditions to JPCC, implemented CALLCC (untested) Mike Pavone <pavone@retrodev.com> parents: 236 diff changeset	2212 case Z80_CC_PE:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2213 cmp_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_PV), SZ_B);
238 827ebce557bf Added the rest of the conditions to JPCC, implemented CALLCC (untested) Mike Pavone <pavone@retrodev.com> parents: 236 diff changeset	2214 break;
827ebce557bf Added the rest of the conditions to JPCC, implemented CALLCC (untested) Mike Pavone <pavone@retrodev.com> parents: 236 diff changeset	2215 case Z80_CC_P:
367 f20562f2a570 Fix P condition in Z80 core Mike Pavone <pavone@retrodev.com> parents: 366 diff changeset	2216 cond = CC_NZ;
238 827ebce557bf Added the rest of the conditions to JPCC, implemented CALLCC (untested) Mike Pavone <pavone@retrodev.com> parents: 236 diff changeset	2217 case Z80_CC_M:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2218 cmp_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_S), SZ_B);
238 827ebce557bf Added the rest of the conditions to JPCC, implemented CALLCC (untested) Mike Pavone <pavone@retrodev.com> parents: 236 diff changeset	2219 break;
827ebce557bf Added the rest of the conditions to JPCC, implemented CALLCC (untested) Mike Pavone <pavone@retrodev.com> parents: 236 diff changeset	2220 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2221 uint8_t *no_call_off = code->cur+1;
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2222 jcc(code, cond, code->cur+2);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2223 cycles(&opts->gen, 1);//Last of the above T states takes an extra cycle in the true case
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2224 sub_ir(code, 2, opts->regs[Z80_SP], SZ_W);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2225 mov_ir(code, address + 3, opts->gen.scratch1, SZ_W);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2226 mov_rr(code, opts->regs[Z80_SP], opts->gen.scratch2, SZ_W);
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	2227 call(code, opts->write_16_highfirst);//T States: 3, 3
653 a18e3923481e Remove some of the hard coded assumptions about the memory map from the CPU cores Michael Pavone <pavone@retrodev.com> parents: 652 diff changeset	2228 code_ptr call_dst = z80_get_native_address(context, inst->immed);
238 827ebce557bf Added the rest of the conditions to JPCC, implemented CALLCC (untested) Mike Pavone <pavone@retrodev.com> parents: 236 diff changeset	2229 if (!call_dst) {
653 a18e3923481e Remove some of the hard coded assumptions about the memory map from the CPU cores Michael Pavone <pavone@retrodev.com> parents: 652 diff changeset	2230 opts->gen.deferred = defer_address(opts->gen.deferred, inst->immed, code->cur + 1);
238 827ebce557bf Added the rest of the conditions to JPCC, implemented CALLCC (untested) Mike Pavone <pavone@retrodev.com> parents: 236 diff changeset	2231 //fake address to force large displacement
653 a18e3923481e Remove some of the hard coded assumptions about the memory map from the CPU cores Michael Pavone <pavone@retrodev.com> parents: 652 diff changeset	2232 call_dst = code->cur + 256;
238 827ebce557bf Added the rest of the conditions to JPCC, implemented CALLCC (untested) Mike Pavone <pavone@retrodev.com> parents: 236 diff changeset	2233 }
653 a18e3923481e Remove some of the hard coded assumptions about the memory map from the CPU cores Michael Pavone <pavone@retrodev.com> parents: 652 diff changeset	2234 jmp(code, call_dst);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2235 *no_call_off = code->cur - (no_call_off+1);
238 827ebce557bf Added the rest of the conditions to JPCC, implemented CALLCC (untested) Mike Pavone <pavone@retrodev.com> parents: 236 diff changeset	2236 break;
682 7ed1dbb48f61 Merge Michael Pavone <pavone@retrodev.com> parents: 676 559 diff changeset	2237 }
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	2238 case Z80_RET:
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	2239 cycles(&opts->gen, num_cycles);//T States: 4
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2240 mov_rr(code, opts->regs[Z80_SP], opts->gen.scratch1, SZ_W);
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	2241 call(code, opts->read_16);//T STates: 3, 3
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2242 add_ir(code, 2, opts->regs[Z80_SP], SZ_W);
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	2243 call(code, opts->native_addr);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2244 jmp_r(code, opts->gen.scratch1);
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2245 break;
246 ed548c77b598 Implement RETCC in Z80 core. Mike Pavone <pavone@retrodev.com> parents: 243 diff changeset	2246 case Z80_RETCC: {
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	2247 cycles(&opts->gen, num_cycles + 1);//T States: 5
246 ed548c77b598 Implement RETCC in Z80 core. Mike Pavone <pavone@retrodev.com> parents: 243 diff changeset	2248 uint8_t cond = CC_Z;
ed548c77b598 Implement RETCC in Z80 core. Mike Pavone <pavone@retrodev.com> parents: 243 diff changeset	2249 switch (inst->reg)
ed548c77b598 Implement RETCC in Z80 core. Mike Pavone <pavone@retrodev.com> parents: 243 diff changeset	2250 {
ed548c77b598 Implement RETCC in Z80 core. Mike Pavone <pavone@retrodev.com> parents: 243 diff changeset	2251 case Z80_CC_NZ:
ed548c77b598 Implement RETCC in Z80 core. Mike Pavone <pavone@retrodev.com> parents: 243 diff changeset	2252 cond = CC_NZ;
ed548c77b598 Implement RETCC in Z80 core. Mike Pavone <pavone@retrodev.com> parents: 243 diff changeset	2253 case Z80_CC_Z:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2254 cmp_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_Z), SZ_B);
246 ed548c77b598 Implement RETCC in Z80 core. Mike Pavone <pavone@retrodev.com> parents: 243 diff changeset	2255 break;
ed548c77b598 Implement RETCC in Z80 core. Mike Pavone <pavone@retrodev.com> parents: 243 diff changeset	2256 case Z80_CC_NC:
ed548c77b598 Implement RETCC in Z80 core. Mike Pavone <pavone@retrodev.com> parents: 243 diff changeset	2257 cond = CC_NZ;
ed548c77b598 Implement RETCC in Z80 core. Mike Pavone <pavone@retrodev.com> parents: 243 diff changeset	2258 case Z80_CC_C:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2259 cmp_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_C), SZ_B);
246 ed548c77b598 Implement RETCC in Z80 core. Mike Pavone <pavone@retrodev.com> parents: 243 diff changeset	2260 break;
ed548c77b598 Implement RETCC in Z80 core. Mike Pavone <pavone@retrodev.com> parents: 243 diff changeset	2261 case Z80_CC_PO:
ed548c77b598 Implement RETCC in Z80 core. Mike Pavone <pavone@retrodev.com> parents: 243 diff changeset	2262 cond = CC_NZ;
ed548c77b598 Implement RETCC in Z80 core. Mike Pavone <pavone@retrodev.com> parents: 243 diff changeset	2263 case Z80_CC_PE:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2264 cmp_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_PV), SZ_B);
246 ed548c77b598 Implement RETCC in Z80 core. Mike Pavone <pavone@retrodev.com> parents: 243 diff changeset	2265 break;
ed548c77b598 Implement RETCC in Z80 core. Mike Pavone <pavone@retrodev.com> parents: 243 diff changeset	2266 case Z80_CC_P:
367 f20562f2a570 Fix P condition in Z80 core Mike Pavone <pavone@retrodev.com> parents: 366 diff changeset	2267 cond = CC_NZ;
246 ed548c77b598 Implement RETCC in Z80 core. Mike Pavone <pavone@retrodev.com> parents: 243 diff changeset	2268 case Z80_CC_M:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2269 cmp_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_S), SZ_B);
246 ed548c77b598 Implement RETCC in Z80 core. Mike Pavone <pavone@retrodev.com> parents: 243 diff changeset	2270 break;
ed548c77b598 Implement RETCC in Z80 core. Mike Pavone <pavone@retrodev.com> parents: 243 diff changeset	2271 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2272 uint8_t *no_call_off = code->cur+1;
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2273 jcc(code, cond, code->cur+2);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2274 mov_rr(code, opts->regs[Z80_SP], opts->gen.scratch1, SZ_W);
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	2275 call(code, opts->read_16);//T STates: 3, 3
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2276 add_ir(code, 2, opts->regs[Z80_SP], SZ_W);
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	2277 call(code, opts->native_addr);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2278 jmp_r(code, opts->gen.scratch1);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2279 *no_call_off = code->cur - (no_call_off+1);
246 ed548c77b598 Implement RETCC in Z80 core. Mike Pavone <pavone@retrodev.com> parents: 243 diff changeset	2280 break;
ed548c77b598 Implement RETCC in Z80 core. Mike Pavone <pavone@retrodev.com> parents: 243 diff changeset	2281 }
283 61f5d88ea01a Implement RETI and RETN (untested). Cleanup tests for "terminal" instructions. Mike Pavone <pavone@retrodev.com> parents: 282 diff changeset	2282 case Z80_RETI:
61f5d88ea01a Implement RETI and RETN (untested). Cleanup tests for "terminal" instructions. Mike Pavone <pavone@retrodev.com> parents: 282 diff changeset	2283 //For some systems, this may need a callback for signalling interrupt routine completion
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	2284 cycles(&opts->gen, num_cycles);//T States: 4, 4
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2285 mov_rr(code, opts->regs[Z80_SP], opts->gen.scratch1, SZ_W);
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	2286 call(code, opts->read_16);//T STates: 3, 3
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2287 add_ir(code, 2, opts->regs[Z80_SP], SZ_W);
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	2288 call(code, opts->native_addr);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2289 jmp_r(code, opts->gen.scratch1);
283 61f5d88ea01a Implement RETI and RETN (untested). Cleanup tests for "terminal" instructions. Mike Pavone <pavone@retrodev.com> parents: 282 diff changeset	2290 break;
61f5d88ea01a Implement RETI and RETN (untested). Cleanup tests for "terminal" instructions. Mike Pavone <pavone@retrodev.com> parents: 282 diff changeset	2291 case Z80_RETN:
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	2292 cycles(&opts->gen, num_cycles);//T States: 4, 4
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2293 mov_rdispr(code, opts->gen.context_reg, offsetof(z80_context, iff2), opts->gen.scratch2, SZ_B);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2294 mov_rr(code, opts->regs[Z80_SP], opts->gen.scratch1, SZ_W);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2295 mov_rrdisp(code, opts->gen.scratch2, opts->gen.context_reg, offsetof(z80_context, iff1), SZ_B);
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	2296 call(code, opts->read_16);//T STates: 3, 3
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2297 add_ir(code, 2, opts->regs[Z80_SP], SZ_W);
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	2298 call(code, opts->native_addr);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2299 jmp_r(code, opts->gen.scratch1);
283 61f5d88ea01a Implement RETI and RETN (untested). Cleanup tests for "terminal" instructions. Mike Pavone <pavone@retrodev.com> parents: 282 diff changeset	2300 break;
241 2586d49ddd46 Implement EX, EXX and RST in Z80 core Mike Pavone <pavone@retrodev.com> parents: 239 diff changeset	2301 case Z80_RST: {
2586d49ddd46 Implement EX, EXX and RST in Z80 core Mike Pavone <pavone@retrodev.com> parents: 239 diff changeset	2302 //RST is basically CALL to an address in page 0
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	2303 cycles(&opts->gen, num_cycles + 1);//T States: 5
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2304 sub_ir(code, 2, opts->regs[Z80_SP], SZ_W);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2305 mov_ir(code, address + 1, opts->gen.scratch1, SZ_W);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2306 mov_rr(code, opts->regs[Z80_SP], opts->gen.scratch2, SZ_W);
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	2307 call(code, opts->write_16_highfirst);//T States: 3, 3
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2308 code_ptr call_dst = z80_get_native_address(context, inst->immed);
241 2586d49ddd46 Implement EX, EXX and RST in Z80 core Mike Pavone <pavone@retrodev.com> parents: 239 diff changeset	2309 if (!call_dst) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2310 opts->gen.deferred = defer_address(opts->gen.deferred, inst->immed, code->cur + 1);
241 2586d49ddd46 Implement EX, EXX and RST in Z80 core Mike Pavone <pavone@retrodev.com> parents: 239 diff changeset	2311 //fake address to force large displacement
601 f0061e3d2ad9 Fix a few bugs introduced in the Z80 core from the adjustments to fit with the code gen refactor Michael Pavone <pavone@retrodev.com> parents: 598 diff changeset	2312 call_dst = code->cur + 256;
241 2586d49ddd46 Implement EX, EXX and RST in Z80 core Mike Pavone <pavone@retrodev.com> parents: 239 diff changeset	2313 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2314 jmp(code, call_dst);
241 2586d49ddd46 Implement EX, EXX and RST in Z80 core Mike Pavone <pavone@retrodev.com> parents: 239 diff changeset	2315 break;
2586d49ddd46 Implement EX, EXX and RST in Z80 core Mike Pavone <pavone@retrodev.com> parents: 239 diff changeset	2316 }
284 ed7098f717d7 Implement IN and OUT (untested) Mike Pavone <pavone@retrodev.com> parents: 283 diff changeset	2317 case Z80_IN:
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	2318 if (inst->addr_mode == Z80_IMMED_INDIRECT) {
1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	2319 num_cycles += 3;
1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	2320 }
1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	2321 cycles(&opts->gen, num_cycles);//T States: 4 3/4
284 ed7098f717d7 Implement IN and OUT (untested) Mike Pavone <pavone@retrodev.com> parents: 283 diff changeset	2322 if (inst->addr_mode == Z80_IMMED_INDIRECT) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2323 mov_ir(code, inst->immed, opts->gen.scratch1, SZ_B);
284 ed7098f717d7 Implement IN and OUT (untested) Mike Pavone <pavone@retrodev.com> parents: 283 diff changeset	2324 } else {
1260 cad1642baf66 Fix implementation of in c and out c on 32-bit x86 Michael Pavone <pavone@retrodev.com> parents: 1225 diff changeset	2325 zreg_to_native(opts, Z80_C, opts->gen.scratch2);
284 ed7098f717d7 Implement IN and OUT (untested) Mike Pavone <pavone@retrodev.com> parents: 283 diff changeset	2326 }
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	2327 call(code, opts->read_io);
1042 a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case Michael Pavone <pavone@retrodev.com> parents: 1040 diff changeset	2328 if (inst->addr_mode != Z80_IMMED_INDIRECT) {
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case Michael Pavone <pavone@retrodev.com> parents: 1040 diff changeset	2329 or_rr(code, opts->gen.scratch1, opts->gen.scratch1, SZ_B);
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case Michael Pavone <pavone@retrodev.com> parents: 1040 diff changeset	2330 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_H), SZ_B);
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case Michael Pavone <pavone@retrodev.com> parents: 1040 diff changeset	2331 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_N), SZ_B);
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case Michael Pavone <pavone@retrodev.com> parents: 1040 diff changeset	2332 setcc_rdisp(code, CC_P, opts->gen.context_reg, zf_off(ZF_PV));
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case Michael Pavone <pavone@retrodev.com> parents: 1040 diff changeset	2333 setcc_rdisp(code, CC_Z, opts->gen.context_reg, zf_off(ZF_Z));
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case Michael Pavone <pavone@retrodev.com> parents: 1040 diff changeset	2334 setcc_rdisp(code, CC_S, opts->gen.context_reg, zf_off(ZF_S));
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case Michael Pavone <pavone@retrodev.com> parents: 1040 diff changeset	2335 }
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case Michael Pavone <pavone@retrodev.com> parents: 1040 diff changeset	2336 if (inst->reg != Z80_UNUSED) {
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case Michael Pavone <pavone@retrodev.com> parents: 1040 diff changeset	2337 translate_z80_reg(inst, &dst_op, opts);
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case Michael Pavone <pavone@retrodev.com> parents: 1040 diff changeset	2338 if (dst_op.mode == MODE_REG_DIRECT) {
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case Michael Pavone <pavone@retrodev.com> parents: 1040 diff changeset	2339 mov_rr(code, opts->gen.scratch1, dst_op.base, SZ_B);
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case Michael Pavone <pavone@retrodev.com> parents: 1040 diff changeset	2340 } else {
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case Michael Pavone <pavone@retrodev.com> parents: 1040 diff changeset	2341 mov_rrdisp(code, opts->gen.scratch1, dst_op.base, dst_op.disp, SZ_B);
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case Michael Pavone <pavone@retrodev.com> parents: 1040 diff changeset	2342 }
735 539d12fa6a4d Add a define in both the source and Makefile for enabling logging of z80 instruction address/cycle counts. Fix Z80 in/out instructions to eliminate assumptions about which registers are stored in native regs. Fix read_16 to not corrupt the low byte when the read has to call into a C function. Michael Pavone <pavone@retrodev.com> parents: 734 diff changeset	2343 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2344 z80_save_reg(inst, opts);
284 ed7098f717d7 Implement IN and OUT (untested) Mike Pavone <pavone@retrodev.com> parents: 283 diff changeset	2345 break;
1060 56713dac6a69 Implement INI Michael Pavone <pavone@retrodev.com> parents: 1057 diff changeset	2346 case Z80_INI:
56713dac6a69 Implement INI Michael Pavone <pavone@retrodev.com> parents: 1057 diff changeset	2347 cycles(&opts->gen, num_cycles + 1);//T States: 4, 5
56713dac6a69 Implement INI Michael Pavone <pavone@retrodev.com> parents: 1057 diff changeset	2348 //read from IO (C)
56713dac6a69 Implement INI Michael Pavone <pavone@retrodev.com> parents: 1057 diff changeset	2349 zreg_to_native(opts, Z80_BC, opts->gen.scratch1);
56713dac6a69 Implement INI Michael Pavone <pavone@retrodev.com> parents: 1057 diff changeset	2350 call(code, opts->read_io);//T states 3
56713dac6a69 Implement INI Michael Pavone <pavone@retrodev.com> parents: 1057 diff changeset	2351
56713dac6a69 Implement INI Michael Pavone <pavone@retrodev.com> parents: 1057 diff changeset	2352 //undocumented N flag behavior
56713dac6a69 Implement INI Michael Pavone <pavone@retrodev.com> parents: 1057 diff changeset	2353 //flag set on bit 7 of value written
56713dac6a69 Implement INI Michael Pavone <pavone@retrodev.com> parents: 1057 diff changeset	2354 bt_ir(code, 7, opts->gen.scratch1, SZ_B);
56713dac6a69 Implement INI Michael Pavone <pavone@retrodev.com> parents: 1057 diff changeset	2355 setcc_rdisp(code, CC_C, opts->gen.context_reg, zf_off(ZF_N));
56713dac6a69 Implement INI Michael Pavone <pavone@retrodev.com> parents: 1057 diff changeset	2356 //save value to be written for flag calculation, as the write func does not
56713dac6a69 Implement INI Michael Pavone <pavone@retrodev.com> parents: 1057 diff changeset	2357 //guarantee that it's preserved across the call
56713dac6a69 Implement INI Michael Pavone <pavone@retrodev.com> parents: 1057 diff changeset	2358 mov_rrdisp(code, opts->gen.scratch1, opts->gen.context_reg, offsetof(z80_context, scratch1), SZ_B);
56713dac6a69 Implement INI Michael Pavone <pavone@retrodev.com> parents: 1057 diff changeset	2359
56713dac6a69 Implement INI Michael Pavone <pavone@retrodev.com> parents: 1057 diff changeset	2360 //write to (HL)
56713dac6a69 Implement INI Michael Pavone <pavone@retrodev.com> parents: 1057 diff changeset	2361 zreg_to_native(opts, Z80_HL, opts->gen.scratch2);
56713dac6a69 Implement INI Michael Pavone <pavone@retrodev.com> parents: 1057 diff changeset	2362 call(code, opts->write_8);//T states 4
56713dac6a69 Implement INI Michael Pavone <pavone@retrodev.com> parents: 1057 diff changeset	2363 cycles(&opts->gen, 1);
56713dac6a69 Implement INI Michael Pavone <pavone@retrodev.com> parents: 1057 diff changeset	2364
56713dac6a69 Implement INI Michael Pavone <pavone@retrodev.com> parents: 1057 diff changeset	2365 //increment HL
56713dac6a69 Implement INI Michael Pavone <pavone@retrodev.com> parents: 1057 diff changeset	2366 if (opts->regs[Z80_HL] >= 0) {
56713dac6a69 Implement INI Michael Pavone <pavone@retrodev.com> parents: 1057 diff changeset	2367 add_ir(code, 1, opts->regs[Z80_HL], SZ_W);
56713dac6a69 Implement INI Michael Pavone <pavone@retrodev.com> parents: 1057 diff changeset	2368 } else {
56713dac6a69 Implement INI Michael Pavone <pavone@retrodev.com> parents: 1057 diff changeset	2369 add_irdisp(code, 1, opts->gen.context_reg, zr_off(Z80_HL), SZ_B);
56713dac6a69 Implement INI Michael Pavone <pavone@retrodev.com> parents: 1057 diff changeset	2370 }
56713dac6a69 Implement INI Michael Pavone <pavone@retrodev.com> parents: 1057 diff changeset	2371 mov_rdispr(code, opts->gen.context_reg, offsetof(z80_context, scratch1), opts->gen.scratch1, SZ_B);
56713dac6a69 Implement INI Michael Pavone <pavone@retrodev.com> parents: 1057 diff changeset	2372 if (opts->regs[Z80_C] >= 0) {
56713dac6a69 Implement INI Michael Pavone <pavone@retrodev.com> parents: 1057 diff changeset	2373 add_rr(code, opts->regs[Z80_C], opts->gen.scratch1, SZ_B);
56713dac6a69 Implement INI Michael Pavone <pavone@retrodev.com> parents: 1057 diff changeset	2374 } else {
56713dac6a69 Implement INI Michael Pavone <pavone@retrodev.com> parents: 1057 diff changeset	2375 add_rdispr(code, opts->gen.context_reg, zr_off(Z80_C), opts->gen.scratch1, SZ_B);
56713dac6a69 Implement INI Michael Pavone <pavone@retrodev.com> parents: 1057 diff changeset	2376 }
56713dac6a69 Implement INI Michael Pavone <pavone@retrodev.com> parents: 1057 diff changeset	2377 add_ir(code, 1, opts->gen.scratch1, SZ_B);
56713dac6a69 Implement INI Michael Pavone <pavone@retrodev.com> parents: 1057 diff changeset	2378 //undocumented C and H flag behavior
56713dac6a69 Implement INI Michael Pavone <pavone@retrodev.com> parents: 1057 diff changeset	2379 setcc_rdisp(code, CC_C, opts->gen.context_reg, zf_off(ZF_C));
56713dac6a69 Implement INI Michael Pavone <pavone@retrodev.com> parents: 1057 diff changeset	2380 setcc_rdisp(code, CC_C, opts->gen.context_reg, zf_off(ZF_H));
56713dac6a69 Implement INI Michael Pavone <pavone@retrodev.com> parents: 1057 diff changeset	2381 //decrement B
56713dac6a69 Implement INI Michael Pavone <pavone@retrodev.com> parents: 1057 diff changeset	2382 if (opts->regs[Z80_B] >= 0) {
56713dac6a69 Implement INI Michael Pavone <pavone@retrodev.com> parents: 1057 diff changeset	2383 sub_ir(code, 1, opts->regs[Z80_B], SZ_B);
56713dac6a69 Implement INI Michael Pavone <pavone@retrodev.com> parents: 1057 diff changeset	2384 mov_rrdisp(code, opts->regs[Z80_B], opts->gen.context_reg, zf_off(ZF_XY), SZ_B);
56713dac6a69 Implement INI Michael Pavone <pavone@retrodev.com> parents: 1057 diff changeset	2385 } else {
56713dac6a69 Implement INI Michael Pavone <pavone@retrodev.com> parents: 1057 diff changeset	2386 sub_irdisp(code, 1, opts->gen.context_reg, zr_off(Z80_B), SZ_B);
56713dac6a69 Implement INI Michael Pavone <pavone@retrodev.com> parents: 1057 diff changeset	2387 }
56713dac6a69 Implement INI Michael Pavone <pavone@retrodev.com> parents: 1057 diff changeset	2388 //undocumented Z and S flag behavior, set based on decrement of B
56713dac6a69 Implement INI Michael Pavone <pavone@retrodev.com> parents: 1057 diff changeset	2389 setcc_rdisp(code, CC_Z, opts->gen.context_reg, zf_off(ZF_Z));
56713dac6a69 Implement INI Michael Pavone <pavone@retrodev.com> parents: 1057 diff changeset	2390 setcc_rdisp(code, CC_S, opts->gen.context_reg, zf_off(ZF_S));
56713dac6a69 Implement INI Michael Pavone <pavone@retrodev.com> parents: 1057 diff changeset	2391 //crazy undocumented P/V flag behavior
56713dac6a69 Implement INI Michael Pavone <pavone@retrodev.com> parents: 1057 diff changeset	2392 and_ir(code, 7, opts->gen.scratch1, SZ_B);
56713dac6a69 Implement INI Michael Pavone <pavone@retrodev.com> parents: 1057 diff changeset	2393 if (opts->regs[Z80_B] >= 0) {
56713dac6a69 Implement INI Michael Pavone <pavone@retrodev.com> parents: 1057 diff changeset	2394 //deal with silly x86-64 restrictions on *H registers
56713dac6a69 Implement INI Michael Pavone <pavone@retrodev.com> parents: 1057 diff changeset	2395 ror_ir(code, 8, opts->regs[Z80_BC], SZ_W);
56713dac6a69 Implement INI Michael Pavone <pavone@retrodev.com> parents: 1057 diff changeset	2396 xor_rr(code, opts->regs[Z80_C], opts->gen.scratch1, SZ_B);
56713dac6a69 Implement INI Michael Pavone <pavone@retrodev.com> parents: 1057 diff changeset	2397 ror_ir(code, 8, opts->regs[Z80_BC], SZ_W);
56713dac6a69 Implement INI Michael Pavone <pavone@retrodev.com> parents: 1057 diff changeset	2398 } else {
56713dac6a69 Implement INI Michael Pavone <pavone@retrodev.com> parents: 1057 diff changeset	2399 xor_rdispr(code, opts->gen.context_reg, zr_off(Z80_B), opts->gen.scratch1, SZ_B);
56713dac6a69 Implement INI Michael Pavone <pavone@retrodev.com> parents: 1057 diff changeset	2400 }
56713dac6a69 Implement INI Michael Pavone <pavone@retrodev.com> parents: 1057 diff changeset	2401 setcc_rdisp(code, CC_P, opts->gen.context_reg, zf_off(ZF_PV));
56713dac6a69 Implement INI Michael Pavone <pavone@retrodev.com> parents: 1057 diff changeset	2402 break;
1061 9b5bb50098d2 Implemented INIR Michael Pavone <pavone@retrodev.com> parents: 1060 diff changeset	2403 case Z80_INIR: {
9b5bb50098d2 Implemented INIR Michael Pavone <pavone@retrodev.com> parents: 1060 diff changeset	2404 cycles(&opts->gen, num_cycles + 1);//T States: 4, 5
9b5bb50098d2 Implemented INIR Michael Pavone <pavone@retrodev.com> parents: 1060 diff changeset	2405 //read from IO (C)
9b5bb50098d2 Implemented INIR Michael Pavone <pavone@retrodev.com> parents: 1060 diff changeset	2406 zreg_to_native(opts, Z80_BC, opts->gen.scratch1);
9b5bb50098d2 Implemented INIR Michael Pavone <pavone@retrodev.com> parents: 1060 diff changeset	2407 call(code, opts->read_io);//T states 3
9b5bb50098d2 Implemented INIR Michael Pavone <pavone@retrodev.com> parents: 1060 diff changeset	2408
9b5bb50098d2 Implemented INIR Michael Pavone <pavone@retrodev.com> parents: 1060 diff changeset	2409 //undocumented N flag behavior
9b5bb50098d2 Implemented INIR Michael Pavone <pavone@retrodev.com> parents: 1060 diff changeset	2410 //flag set on bit 7 of value written
9b5bb50098d2 Implemented INIR Michael Pavone <pavone@retrodev.com> parents: 1060 diff changeset	2411 bt_ir(code, 7, opts->gen.scratch1, SZ_B);
9b5bb50098d2 Implemented INIR Michael Pavone <pavone@retrodev.com> parents: 1060 diff changeset	2412 setcc_rdisp(code, CC_C, opts->gen.context_reg, zf_off(ZF_N));
9b5bb50098d2 Implemented INIR Michael Pavone <pavone@retrodev.com> parents: 1060 diff changeset	2413 //save value to be written for flag calculation, as the write func does not
9b5bb50098d2 Implemented INIR Michael Pavone <pavone@retrodev.com> parents: 1060 diff changeset	2414 //guarantee that it's preserved across the call
9b5bb50098d2 Implemented INIR Michael Pavone <pavone@retrodev.com> parents: 1060 diff changeset	2415 mov_rrdisp(code, opts->gen.scratch1, opts->gen.context_reg, offsetof(z80_context, scratch1), SZ_B);
9b5bb50098d2 Implemented INIR Michael Pavone <pavone@retrodev.com> parents: 1060 diff changeset	2416
9b5bb50098d2 Implemented INIR Michael Pavone <pavone@retrodev.com> parents: 1060 diff changeset	2417 //write to (HL)
9b5bb50098d2 Implemented INIR Michael Pavone <pavone@retrodev.com> parents: 1060 diff changeset	2418 zreg_to_native(opts, Z80_HL, opts->gen.scratch2);
9b5bb50098d2 Implemented INIR Michael Pavone <pavone@retrodev.com> parents: 1060 diff changeset	2419 call(code, opts->write_8);//T states 4
9b5bb50098d2 Implemented INIR Michael Pavone <pavone@retrodev.com> parents: 1060 diff changeset	2420 cycles(&opts->gen, 1);
9b5bb50098d2 Implemented INIR Michael Pavone <pavone@retrodev.com> parents: 1060 diff changeset	2421
9b5bb50098d2 Implemented INIR Michael Pavone <pavone@retrodev.com> parents: 1060 diff changeset	2422 //increment HL
9b5bb50098d2 Implemented INIR Michael Pavone <pavone@retrodev.com> parents: 1060 diff changeset	2423 if (opts->regs[Z80_HL] >= 0) {
9b5bb50098d2 Implemented INIR Michael Pavone <pavone@retrodev.com> parents: 1060 diff changeset	2424 add_ir(code, 1, opts->regs[Z80_HL], SZ_W);
9b5bb50098d2 Implemented INIR Michael Pavone <pavone@retrodev.com> parents: 1060 diff changeset	2425 } else {
9b5bb50098d2 Implemented INIR Michael Pavone <pavone@retrodev.com> parents: 1060 diff changeset	2426 add_irdisp(code, 1, opts->gen.context_reg, zr_off(Z80_HL), SZ_B);
9b5bb50098d2 Implemented INIR Michael Pavone <pavone@retrodev.com> parents: 1060 diff changeset	2427 }
9b5bb50098d2 Implemented INIR Michael Pavone <pavone@retrodev.com> parents: 1060 diff changeset	2428 mov_rdispr(code, opts->gen.context_reg, offsetof(z80_context, scratch1), opts->gen.scratch1, SZ_B);
9b5bb50098d2 Implemented INIR Michael Pavone <pavone@retrodev.com> parents: 1060 diff changeset	2429 if (opts->regs[Z80_C] >= 0) {
9b5bb50098d2 Implemented INIR Michael Pavone <pavone@retrodev.com> parents: 1060 diff changeset	2430 add_rr(code, opts->regs[Z80_C], opts->gen.scratch1, SZ_B);
9b5bb50098d2 Implemented INIR Michael Pavone <pavone@retrodev.com> parents: 1060 diff changeset	2431 } else {
9b5bb50098d2 Implemented INIR Michael Pavone <pavone@retrodev.com> parents: 1060 diff changeset	2432 add_rdispr(code, opts->gen.context_reg, zr_off(Z80_C), opts->gen.scratch1, SZ_B);
9b5bb50098d2 Implemented INIR Michael Pavone <pavone@retrodev.com> parents: 1060 diff changeset	2433 }
9b5bb50098d2 Implemented INIR Michael Pavone <pavone@retrodev.com> parents: 1060 diff changeset	2434 add_ir(code, 1, opts->gen.scratch1, SZ_B);
9b5bb50098d2 Implemented INIR Michael Pavone <pavone@retrodev.com> parents: 1060 diff changeset	2435 //undocumented C and H flag behavior
9b5bb50098d2 Implemented INIR Michael Pavone <pavone@retrodev.com> parents: 1060 diff changeset	2436 setcc_rdisp(code, CC_C, opts->gen.context_reg, zf_off(ZF_C));
9b5bb50098d2 Implemented INIR Michael Pavone <pavone@retrodev.com> parents: 1060 diff changeset	2437 setcc_rdisp(code, CC_C, opts->gen.context_reg, zf_off(ZF_H));
9b5bb50098d2 Implemented INIR Michael Pavone <pavone@retrodev.com> parents: 1060 diff changeset	2438 //decrement B
9b5bb50098d2 Implemented INIR Michael Pavone <pavone@retrodev.com> parents: 1060 diff changeset	2439 if (opts->regs[Z80_B] >= 0) {
9b5bb50098d2 Implemented INIR Michael Pavone <pavone@retrodev.com> parents: 1060 diff changeset	2440 sub_ir(code, 1, opts->regs[Z80_B], SZ_B);
9b5bb50098d2 Implemented INIR Michael Pavone <pavone@retrodev.com> parents: 1060 diff changeset	2441 mov_rrdisp(code, opts->regs[Z80_B], opts->gen.context_reg, zf_off(ZF_XY), SZ_B);
9b5bb50098d2 Implemented INIR Michael Pavone <pavone@retrodev.com> parents: 1060 diff changeset	2442 } else {
9b5bb50098d2 Implemented INIR Michael Pavone <pavone@retrodev.com> parents: 1060 diff changeset	2443 sub_irdisp(code, 1, opts->gen.context_reg, zr_off(Z80_B), SZ_B);
9b5bb50098d2 Implemented INIR Michael Pavone <pavone@retrodev.com> parents: 1060 diff changeset	2444 }
9b5bb50098d2 Implemented INIR Michael Pavone <pavone@retrodev.com> parents: 1060 diff changeset	2445 //undocumented Z and S flag behavior, set based on decrement of B
9b5bb50098d2 Implemented INIR Michael Pavone <pavone@retrodev.com> parents: 1060 diff changeset	2446 setcc_rdisp(code, CC_Z, opts->gen.context_reg, zf_off(ZF_Z));
9b5bb50098d2 Implemented INIR Michael Pavone <pavone@retrodev.com> parents: 1060 diff changeset	2447 setcc_rdisp(code, CC_S, opts->gen.context_reg, zf_off(ZF_S));
9b5bb50098d2 Implemented INIR Michael Pavone <pavone@retrodev.com> parents: 1060 diff changeset	2448 //crazy undocumented P/V flag behavior
9b5bb50098d2 Implemented INIR Michael Pavone <pavone@retrodev.com> parents: 1060 diff changeset	2449 and_ir(code, 7, opts->gen.scratch1, SZ_B);
9b5bb50098d2 Implemented INIR Michael Pavone <pavone@retrodev.com> parents: 1060 diff changeset	2450 if (opts->regs[Z80_B] >= 0) {
9b5bb50098d2 Implemented INIR Michael Pavone <pavone@retrodev.com> parents: 1060 diff changeset	2451 //deal with silly x86-64 restrictions on *H registers
9b5bb50098d2 Implemented INIR Michael Pavone <pavone@retrodev.com> parents: 1060 diff changeset	2452 ror_ir(code, 8, opts->regs[Z80_BC], SZ_W);
9b5bb50098d2 Implemented INIR Michael Pavone <pavone@retrodev.com> parents: 1060 diff changeset	2453 xor_rr(code, opts->regs[Z80_C], opts->gen.scratch1, SZ_B);
9b5bb50098d2 Implemented INIR Michael Pavone <pavone@retrodev.com> parents: 1060 diff changeset	2454 ror_ir(code, 8, opts->regs[Z80_BC], SZ_W);
9b5bb50098d2 Implemented INIR Michael Pavone <pavone@retrodev.com> parents: 1060 diff changeset	2455 } else {
9b5bb50098d2 Implemented INIR Michael Pavone <pavone@retrodev.com> parents: 1060 diff changeset	2456 xor_rdispr(code, opts->gen.context_reg, zr_off(Z80_B), opts->gen.scratch1, SZ_B);
9b5bb50098d2 Implemented INIR Michael Pavone <pavone@retrodev.com> parents: 1060 diff changeset	2457 }
9b5bb50098d2 Implemented INIR Michael Pavone <pavone@retrodev.com> parents: 1060 diff changeset	2458 setcc_rdisp(code, CC_P, opts->gen.context_reg, zf_off(ZF_PV));
9b5bb50098d2 Implemented INIR Michael Pavone <pavone@retrodev.com> parents: 1060 diff changeset	2459 if (opts->regs[Z80_B] >= 0) {
9b5bb50098d2 Implemented INIR Michael Pavone <pavone@retrodev.com> parents: 1060 diff changeset	2460 cmp_ir(code, 0, opts->regs[Z80_B], SZ_B);
9b5bb50098d2 Implemented INIR Michael Pavone <pavone@retrodev.com> parents: 1060 diff changeset	2461 } else {
9b5bb50098d2 Implemented INIR Michael Pavone <pavone@retrodev.com> parents: 1060 diff changeset	2462 cmp_irdisp(code, 0, opts->gen.context_reg, zr_off(Z80_B), SZ_B);
9b5bb50098d2 Implemented INIR Michael Pavone <pavone@retrodev.com> parents: 1060 diff changeset	2463 }
9b5bb50098d2 Implemented INIR Michael Pavone <pavone@retrodev.com> parents: 1060 diff changeset	2464 code_ptr done = code->cur+1;
9b5bb50098d2 Implemented INIR Michael Pavone <pavone@retrodev.com> parents: 1060 diff changeset	2465 jcc(code, CC_Z, code->cur+2);
9b5bb50098d2 Implemented INIR Michael Pavone <pavone@retrodev.com> parents: 1060 diff changeset	2466 cycles(&opts->gen, 5);
9b5bb50098d2 Implemented INIR Michael Pavone <pavone@retrodev.com> parents: 1060 diff changeset	2467 jmp(code, start);
9b5bb50098d2 Implemented INIR Michael Pavone <pavone@retrodev.com> parents: 1060 diff changeset	2468 *done = code->cur - (done + 1);
9b5bb50098d2 Implemented INIR Michael Pavone <pavone@retrodev.com> parents: 1060 diff changeset	2469 break;
9b5bb50098d2 Implemented INIR Michael Pavone <pavone@retrodev.com> parents: 1060 diff changeset	2470 }
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	2471 case Z80_IND:
1062 779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2472 cycles(&opts->gen, num_cycles + 1);//T States: 4, 5
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2473 //read from IO (C)
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2474 zreg_to_native(opts, Z80_BC, opts->gen.scratch1);
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2475 call(code, opts->read_io);//T states 3
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2476
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2477 //undocumented N flag behavior
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2478 //flag set on bit 7 of value written
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2479 bt_ir(code, 7, opts->gen.scratch1, SZ_B);
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2480 setcc_rdisp(code, CC_C, opts->gen.context_reg, zf_off(ZF_N));
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2481 //save value to be written for flag calculation, as the write func does not
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2482 //guarantee that it's preserved across the call
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2483 mov_rrdisp(code, opts->gen.scratch1, opts->gen.context_reg, offsetof(z80_context, scratch1), SZ_B);
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2484
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2485 //write to (HL)
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2486 zreg_to_native(opts, Z80_HL, opts->gen.scratch2);
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2487 call(code, opts->write_8);//T states 4
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2488 cycles(&opts->gen, 1);
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2489
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2490 //decrement HL
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2491 if (opts->regs[Z80_HL] >= 0) {
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2492 sub_ir(code, 1, opts->regs[Z80_HL], SZ_W);
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2493 } else {
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2494 sub_irdisp(code, 1, opts->gen.context_reg, zr_off(Z80_HL), SZ_B);
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2495 }
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2496 mov_rdispr(code, opts->gen.context_reg, offsetof(z80_context, scratch1), opts->gen.scratch1, SZ_B);
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2497 if (opts->regs[Z80_C] >= 0) {
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2498 add_rr(code, opts->regs[Z80_C], opts->gen.scratch1, SZ_B);
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2499 } else {
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2500 add_rdispr(code, opts->gen.context_reg, zr_off(Z80_C), opts->gen.scratch1, SZ_B);
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2501 }
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2502 add_ir(code, 1, opts->gen.scratch1, SZ_B);
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2503 //undocumented C and H flag behavior
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2504 setcc_rdisp(code, CC_C, opts->gen.context_reg, zf_off(ZF_C));
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2505 setcc_rdisp(code, CC_C, opts->gen.context_reg, zf_off(ZF_H));
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2506 //decrement B
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2507 if (opts->regs[Z80_B] >= 0) {
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2508 sub_ir(code, 1, opts->regs[Z80_B], SZ_B);
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2509 mov_rrdisp(code, opts->regs[Z80_B], opts->gen.context_reg, zf_off(ZF_XY), SZ_B);
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2510 } else {
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2511 sub_irdisp(code, 1, opts->gen.context_reg, zr_off(Z80_B), SZ_B);
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2512 }
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2513 //undocumented Z and S flag behavior, set based on decrement of B
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2514 setcc_rdisp(code, CC_Z, opts->gen.context_reg, zf_off(ZF_Z));
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2515 setcc_rdisp(code, CC_S, opts->gen.context_reg, zf_off(ZF_S));
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2516 //crazy undocumented P/V flag behavior
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2517 and_ir(code, 7, opts->gen.scratch1, SZ_B);
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2518 if (opts->regs[Z80_B] >= 0) {
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2519 //deal with silly x86-64 restrictions on *H registers
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2520 ror_ir(code, 8, opts->regs[Z80_BC], SZ_W);
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2521 xor_rr(code, opts->regs[Z80_C], opts->gen.scratch1, SZ_B);
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2522 ror_ir(code, 8, opts->regs[Z80_BC], SZ_W);
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2523 } else {
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2524 xor_rdispr(code, opts->gen.context_reg, zr_off(Z80_B), opts->gen.scratch1, SZ_B);
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2525 }
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2526 setcc_rdisp(code, CC_P, opts->gen.context_reg, zf_off(ZF_PV));
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2527 break;
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2528 case Z80_INDR: {
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2529 cycles(&opts->gen, num_cycles + 1);//T States: 4, 5
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2530 //read from IO (C)
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2531 zreg_to_native(opts, Z80_BC, opts->gen.scratch1);
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2532 call(code, opts->read_io);//T states 3
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2533
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2534 //undocumented N flag behavior
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2535 //flag set on bit 7 of value written
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2536 bt_ir(code, 7, opts->gen.scratch1, SZ_B);
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2537 setcc_rdisp(code, CC_C, opts->gen.context_reg, zf_off(ZF_N));
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2538 //save value to be written for flag calculation, as the write func does not
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2539 //guarantee that it's preserved across the call
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2540 mov_rrdisp(code, opts->gen.scratch1, opts->gen.context_reg, offsetof(z80_context, scratch1), SZ_B);
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2541
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2542 //write to (HL)
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2543 zreg_to_native(opts, Z80_HL, opts->gen.scratch2);
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2544 call(code, opts->write_8);//T states 4
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2545 cycles(&opts->gen, 1);
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2546
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2547 //decrement HL
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2548 if (opts->regs[Z80_HL] >= 0) {
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2549 sub_ir(code, 1, opts->regs[Z80_HL], SZ_W);
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2550 } else {
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2551 sub_irdisp(code, 1, opts->gen.context_reg, zr_off(Z80_HL), SZ_B);
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2552 }
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2553 mov_rdispr(code, opts->gen.context_reg, offsetof(z80_context, scratch1), opts->gen.scratch1, SZ_B);
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2554 if (opts->regs[Z80_C] >= 0) {
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2555 add_rr(code, opts->regs[Z80_C], opts->gen.scratch1, SZ_B);
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2556 } else {
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2557 add_rdispr(code, opts->gen.context_reg, zr_off(Z80_C), opts->gen.scratch1, SZ_B);
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2558 }
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2559 add_ir(code, 1, opts->gen.scratch1, SZ_B);
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2560 //undocumented C and H flag behavior
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2561 setcc_rdisp(code, CC_C, opts->gen.context_reg, zf_off(ZF_C));
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2562 setcc_rdisp(code, CC_C, opts->gen.context_reg, zf_off(ZF_H));
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2563 //decrement B
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2564 if (opts->regs[Z80_B] >= 0) {
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2565 sub_ir(code, 1, opts->regs[Z80_B], SZ_B);
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2566 mov_rrdisp(code, opts->regs[Z80_B], opts->gen.context_reg, zf_off(ZF_XY), SZ_B);
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2567 } else {
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2568 sub_irdisp(code, 1, opts->gen.context_reg, zr_off(Z80_B), SZ_B);
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2569 }
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2570 //undocumented Z and S flag behavior, set based on decrement of B
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2571 setcc_rdisp(code, CC_Z, opts->gen.context_reg, zf_off(ZF_Z));
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2572 setcc_rdisp(code, CC_S, opts->gen.context_reg, zf_off(ZF_S));
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2573 //crazy undocumented P/V flag behavior
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2574 and_ir(code, 7, opts->gen.scratch1, SZ_B);
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2575 if (opts->regs[Z80_B] >= 0) {
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2576 //deal with silly x86-64 restrictions on *H registers
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2577 ror_ir(code, 8, opts->regs[Z80_BC], SZ_W);
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2578 xor_rr(code, opts->regs[Z80_C], opts->gen.scratch1, SZ_B);
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2579 ror_ir(code, 8, opts->regs[Z80_BC], SZ_W);
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2580 } else {
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2581 xor_rdispr(code, opts->gen.context_reg, zr_off(Z80_B), opts->gen.scratch1, SZ_B);
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2582 }
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2583 setcc_rdisp(code, CC_P, opts->gen.context_reg, zf_off(ZF_PV));
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2584 if (opts->regs[Z80_B] >= 0) {
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2585 cmp_ir(code, 0, opts->regs[Z80_B], SZ_B);
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2586 } else {
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2587 cmp_irdisp(code, 0, opts->gen.context_reg, zr_off(Z80_B), SZ_B);
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2588 }
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2589 code_ptr done = code->cur+1;
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2590 jcc(code, CC_Z, code->cur+2);
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2591 cycles(&opts->gen, 5);
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2592 jmp(code, start);
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2593 *done = code->cur - (done + 1);
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2594 break;
779acbfb74d0 Implemented IND and INDR Michael Pavone <pavone@retrodev.com> parents: 1061 diff changeset	2595 }
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	2596 case Z80_OUT:
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	2597 if (inst->reg == Z80_A) {
1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	2598 num_cycles += 3;
1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	2599 }
1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	2600 cycles(&opts->gen, num_cycles);//T States: 4 3/4
284 ed7098f717d7 Implement IN and OUT (untested) Mike Pavone <pavone@retrodev.com> parents: 283 diff changeset	2601 if ((inst->addr_mode & 0x1F) == Z80_IMMED_INDIRECT) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2602 mov_ir(code, inst->immed, opts->gen.scratch2, SZ_B);
284 ed7098f717d7 Implement IN and OUT (untested) Mike Pavone <pavone@retrodev.com> parents: 283 diff changeset	2603 } else {
735 539d12fa6a4d Add a define in both the source and Makefile for enabling logging of z80 instruction address/cycle counts. Fix Z80 in/out instructions to eliminate assumptions about which registers are stored in native regs. Fix read_16 to not corrupt the low byte when the read has to call into a C function. Michael Pavone <pavone@retrodev.com> parents: 734 diff changeset	2604 zreg_to_native(opts, Z80_C, opts->gen.scratch2);
284 ed7098f717d7 Implement IN and OUT (untested) Mike Pavone <pavone@retrodev.com> parents: 283 diff changeset	2605 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2606 translate_z80_reg(inst, &src_op, opts);
735 539d12fa6a4d Add a define in both the source and Makefile for enabling logging of z80 instruction address/cycle counts. Fix Z80 in/out instructions to eliminate assumptions about which registers are stored in native regs. Fix read_16 to not corrupt the low byte when the read has to call into a C function. Michael Pavone <pavone@retrodev.com> parents: 734 diff changeset	2607 if (src_op.mode == MODE_REG_DIRECT) {
539d12fa6a4d Add a define in both the source and Makefile for enabling logging of z80 instruction address/cycle counts. Fix Z80 in/out instructions to eliminate assumptions about which registers are stored in native regs. Fix read_16 to not corrupt the low byte when the read has to call into a C function. Michael Pavone <pavone@retrodev.com> parents: 734 diff changeset	2608 mov_rr(code, src_op.base, opts->gen.scratch1, SZ_B);
539d12fa6a4d Add a define in both the source and Makefile for enabling logging of z80 instruction address/cycle counts. Fix Z80 in/out instructions to eliminate assumptions about which registers are stored in native regs. Fix read_16 to not corrupt the low byte when the read has to call into a C function. Michael Pavone <pavone@retrodev.com> parents: 734 diff changeset	2609 } else if (src_op.mode == MODE_IMMED) {
539d12fa6a4d Add a define in both the source and Makefile for enabling logging of z80 instruction address/cycle counts. Fix Z80 in/out instructions to eliminate assumptions about which registers are stored in native regs. Fix read_16 to not corrupt the low byte when the read has to call into a C function. Michael Pavone <pavone@retrodev.com> parents: 734 diff changeset	2610 mov_ir(code, src_op.disp, opts->gen.scratch1, SZ_B);
539d12fa6a4d Add a define in both the source and Makefile for enabling logging of z80 instruction address/cycle counts. Fix Z80 in/out instructions to eliminate assumptions about which registers are stored in native regs. Fix read_16 to not corrupt the low byte when the read has to call into a C function. Michael Pavone <pavone@retrodev.com> parents: 734 diff changeset	2611 } else {
539d12fa6a4d Add a define in both the source and Makefile for enabling logging of z80 instruction address/cycle counts. Fix Z80 in/out instructions to eliminate assumptions about which registers are stored in native regs. Fix read_16 to not corrupt the low byte when the read has to call into a C function. Michael Pavone <pavone@retrodev.com> parents: 734 diff changeset	2612 mov_rdispr(code, src_op.base, src_op.disp, opts->gen.scratch1, SZ_B);
539d12fa6a4d Add a define in both the source and Makefile for enabling logging of z80 instruction address/cycle counts. Fix Z80 in/out instructions to eliminate assumptions about which registers are stored in native regs. Fix read_16 to not corrupt the low byte when the read has to call into a C function. Michael Pavone <pavone@retrodev.com> parents: 734 diff changeset	2613 }
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	2614 call(code, opts->write_io);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2615 z80_save_reg(inst, opts);
284 ed7098f717d7 Implement IN and OUT (untested) Mike Pavone <pavone@retrodev.com> parents: 283 diff changeset	2616 break;
1040 fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2617 case Z80_OUTI:
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	2618 cycles(&opts->gen, num_cycles + 1);//T States: 4, 5
1040 fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2619 //read from (HL)
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2620 zreg_to_native(opts, Z80_HL, opts->gen.scratch1);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2621 call(code, opts->read_8);//T states 3
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2622 //undocumented N flag behavior
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2623 //flag set on bit 7 of value written
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2624 bt_ir(code, 7, opts->gen.scratch1, SZ_B);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2625 setcc_rdisp(code, CC_NC, opts->gen.context_reg, zf_off(ZF_N));
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2626 //write to IO (C)
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2627 zreg_to_native(opts, Z80_C, opts->gen.scratch2);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2628 call(code, opts->write_io);//T states 4
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2629 //increment HL
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2630 if (opts->regs[Z80_HL] >= 0) {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2631 add_ir(code, 1, opts->regs[Z80_HL], SZ_W);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2632 add_rr(code, opts->regs[Z80_L], opts->gen.scratch1, SZ_B);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2633 } else {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2634 add_irdisp(code, 1, opts->gen.context_reg, zr_off(Z80_HL), SZ_B);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2635 add_rdispr(code, opts->gen.context_reg, zr_off(Z80_L), opts->gen.scratch1, SZ_B);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2636 }
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2637 //undocumented C and H flag behavior
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2638 setcc_rdisp(code, CC_C, opts->gen.context_reg, zf_off(ZF_C));
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2639 setcc_rdisp(code, CC_C, opts->gen.context_reg, zf_off(ZF_H));
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2640 //decrement B
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2641 if (opts->regs[Z80_B] >= 0) {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2642 sub_ir(code, 1, opts->regs[Z80_B], SZ_B);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2643 } else {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2644 sub_irdisp(code, 1, opts->gen.context_reg, zr_off(Z80_B), SZ_B);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2645 }
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2646 //undocumented Z and S flag behavior, set based on decrement of B
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2647 setcc_rdisp(code, CC_Z, opts->gen.context_reg, zf_off(ZF_Z));
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2648 setcc_rdisp(code, CC_S, opts->gen.context_reg, zf_off(ZF_S));
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2649 //crazy undocumented P/V flag behavior
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2650 and_ir(code, 7, opts->gen.scratch1, SZ_B);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2651 if (opts->regs[Z80_B] >= 0) {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2652 //deal with silly x86-64 restrictions on *H registers
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2653 ror_ir(code, 8, opts->regs[Z80_BC], SZ_W);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2654 xor_rr(code, opts->regs[Z80_C], opts->gen.scratch1, SZ_B);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2655 ror_ir(code, 8, opts->regs[Z80_BC], SZ_W);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2656 } else {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2657 xor_rdispr(code, opts->gen.context_reg, zr_off(Z80_B), opts->gen.scratch1, SZ_B);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2658 }
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2659 setcc_rdisp(code, CC_P, opts->gen.context_reg, zf_off(ZF_PV));
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2660 break;
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2661 case Z80_OTIR: {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2662 code_ptr start = code->cur;
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	2663 cycles(&opts->gen, num_cycles + 1);//T States: 4, 5
1040 fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2664 //read from (HL)
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2665 zreg_to_native(opts, Z80_HL, opts->gen.scratch1);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2666 call(code, opts->read_8);//T states 3
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2667 //undocumented N flag behavior
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2668 //flag set on bit 7 of value written
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2669 bt_ir(code, 7, opts->gen.scratch1, SZ_B);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2670 setcc_rdisp(code, CC_NC, opts->gen.context_reg, zf_off(ZF_N));
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2671 //write to IO (C)
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2672 zreg_to_native(opts, Z80_C, opts->gen.scratch2);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2673 call(code, opts->write_io);//T states 4
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2674 //increment HL
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2675 if (opts->regs[Z80_HL] >= 0) {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2676 add_ir(code, 1, opts->regs[Z80_HL], SZ_W);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2677 add_rr(code, opts->regs[Z80_L], opts->gen.scratch1, SZ_B);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2678 } else {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2679 add_irdisp(code, 1, opts->gen.context_reg, zr_off(Z80_HL), SZ_B);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2680 add_rdispr(code, opts->gen.context_reg, zr_off(Z80_L), opts->gen.scratch1, SZ_B);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2681 }
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2682 //undocumented C and H flag behavior
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2683 setcc_rdisp(code, CC_C, opts->gen.context_reg, zf_off(ZF_C));
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2684 setcc_rdisp(code, CC_C, opts->gen.context_reg, zf_off(ZF_H));
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2685 //decrement B
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2686 if (opts->regs[Z80_B] >= 0) {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2687 sub_ir(code, 1, opts->regs[Z80_B], SZ_B);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2688 } else {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2689 sub_irdisp(code, 1, opts->gen.context_reg, zr_off(Z80_B), SZ_B);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2690 }
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2691 //undocumented Z and S flag behavior, set based on decrement of B
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2692 setcc_rdisp(code, CC_Z, opts->gen.context_reg, zf_off(ZF_Z));
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2693 setcc_rdisp(code, CC_S, opts->gen.context_reg, zf_off(ZF_S));
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2694 //crazy undocumented P/V flag behavior
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2695 and_ir(code, 7, opts->gen.scratch1, SZ_B);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2696 if (opts->regs[Z80_B] >= 0) {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2697 //deal with silly x86-64 restrictions on *H registers
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2698 ror_ir(code, 8, opts->regs[Z80_BC], SZ_W);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2699 xor_rr(code, opts->regs[Z80_C], opts->gen.scratch1, SZ_B);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2700 ror_ir(code, 8, opts->regs[Z80_BC], SZ_W);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2701 } else {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2702 xor_rdispr(code, opts->gen.context_reg, zr_off(Z80_B), opts->gen.scratch1, SZ_B);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2703 }
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2704 setcc_rdisp(code, CC_P, opts->gen.context_reg, zf_off(ZF_PV));
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2705 if (opts->regs[Z80_B] >= 0) {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2706 cmp_ir(code, 0, opts->regs[Z80_B], SZ_B);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2707 } else {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2708 cmp_irdisp(code, 0, opts->gen.context_reg, zr_off(Z80_B), SZ_B);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2709 }
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2710 code_ptr done = code->cur+1;
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2711 jcc(code, CC_Z, code->cur+2);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2712 cycles(&opts->gen, 5);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2713 jmp(code, start);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2714 *done = code->cur - (done + 1);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2715 break;
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2716 }
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	2717 case Z80_OUTD:
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	2718 cycles(&opts->gen, num_cycles + 1);//T States: 4, 5
1040 fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2719 //read from (HL)
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2720 zreg_to_native(opts, Z80_HL, opts->gen.scratch1);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2721 call(code, opts->read_8);//T states 3
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2722 //undocumented N flag behavior
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2723 //flag set on bit 7 of value written
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2724 bt_ir(code, 7, opts->gen.scratch1, SZ_B);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2725 setcc_rdisp(code, CC_NC, opts->gen.context_reg, zf_off(ZF_N));
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2726 //write to IO (C)
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2727 zreg_to_native(opts, Z80_C, opts->gen.scratch2);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2728 call(code, opts->write_io);//T states 4
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2729 //decrement HL
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2730 if (opts->regs[Z80_HL] >= 0) {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2731 sub_ir(code, 1, opts->regs[Z80_HL], SZ_W);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2732 add_rr(code, opts->regs[Z80_L], opts->gen.scratch1, SZ_B);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2733 } else {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2734 sub_irdisp(code, 1, opts->gen.context_reg, zr_off(Z80_HL), SZ_B);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2735 add_rdispr(code, opts->gen.context_reg, zr_off(Z80_L), opts->gen.scratch1, SZ_B);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2736 }
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2737 //undocumented C and H flag behavior
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2738 setcc_rdisp(code, CC_C, opts->gen.context_reg, zf_off(ZF_C));
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2739 setcc_rdisp(code, CC_C, opts->gen.context_reg, zf_off(ZF_H));
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2740 //decrement B
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2741 if (opts->regs[Z80_B] >= 0) {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2742 sub_ir(code, 1, opts->regs[Z80_B], SZ_B);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2743 } else {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2744 sub_irdisp(code, 1, opts->gen.context_reg, zr_off(Z80_B), SZ_B);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2745 }
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2746 //undocumented Z and S flag behavior, set based on decrement of B
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2747 setcc_rdisp(code, CC_Z, opts->gen.context_reg, zf_off(ZF_Z));
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2748 setcc_rdisp(code, CC_S, opts->gen.context_reg, zf_off(ZF_S));
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2749 //crazy undocumented P/V flag behavior
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2750 and_ir(code, 7, opts->gen.scratch1, SZ_B);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2751 if (opts->regs[Z80_B] >= 0) {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2752 //deal with silly x86-64 restrictions on *H registers
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2753 ror_ir(code, 8, opts->regs[Z80_BC], SZ_W);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2754 xor_rr(code, opts->regs[Z80_C], opts->gen.scratch1, SZ_B);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2755 ror_ir(code, 8, opts->regs[Z80_BC], SZ_W);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2756 } else {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2757 xor_rdispr(code, opts->gen.context_reg, zr_off(Z80_B), opts->gen.scratch1, SZ_B);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2758 }
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2759 setcc_rdisp(code, CC_P, opts->gen.context_reg, zf_off(ZF_PV));
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2760 break;
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2761 case Z80_OTDR: {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2762 code_ptr start = code->cur;
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	2763 cycles(&opts->gen, num_cycles + 1);//T States: 4, 5
1040 fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2764 //read from (HL)
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2765 zreg_to_native(opts, Z80_HL, opts->gen.scratch1);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2766 call(code, opts->read_8);//T states 3
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2767 //undocumented N flag behavior
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2768 //flag set on bit 7 of value written
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2769 bt_ir(code, 7, opts->gen.scratch1, SZ_B);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2770 setcc_rdisp(code, CC_NC, opts->gen.context_reg, zf_off(ZF_N));
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2771 //write to IO (C)
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2772 zreg_to_native(opts, Z80_C, opts->gen.scratch2);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2773 call(code, opts->write_io);//T states 4
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2774 //increment HL
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2775 if (opts->regs[Z80_HL] >= 0) {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2776 sub_ir(code, 1, opts->regs[Z80_HL], SZ_W);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2777 add_rr(code, opts->regs[Z80_L], opts->gen.scratch1, SZ_B);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2778 } else {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2779 sub_irdisp(code, 1, opts->gen.context_reg, zr_off(Z80_HL), SZ_B);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2780 add_rdispr(code, opts->gen.context_reg, zr_off(Z80_L), opts->gen.scratch1, SZ_B);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2781 }
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2782 //undocumented C and H flag behavior
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2783 setcc_rdisp(code, CC_C, opts->gen.context_reg, zf_off(ZF_C));
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2784 setcc_rdisp(code, CC_C, opts->gen.context_reg, zf_off(ZF_H));
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2785 //decrement B
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2786 if (opts->regs[Z80_B] >= 0) {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2787 sub_ir(code, 1, opts->regs[Z80_B], SZ_B);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2788 } else {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2789 sub_irdisp(code, 1, opts->gen.context_reg, zr_off(Z80_B), SZ_B);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2790 }
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2791 //undocumented Z and S flag behavior, set based on decrement of B
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2792 setcc_rdisp(code, CC_Z, opts->gen.context_reg, zf_off(ZF_Z));
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2793 setcc_rdisp(code, CC_S, opts->gen.context_reg, zf_off(ZF_S));
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2794 //crazy undocumented P/V flag behavior
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2795 and_ir(code, 7, opts->gen.scratch1, SZ_B);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2796 if (opts->regs[Z80_B] >= 0) {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2797 //deal with silly x86-64 restrictions on *H registers
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2798 ror_ir(code, 8, opts->regs[Z80_BC], SZ_W);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2799 xor_rr(code, opts->regs[Z80_C], opts->gen.scratch1, SZ_B);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2800 ror_ir(code, 8, opts->regs[Z80_BC], SZ_W);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2801 } else {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2802 xor_rdispr(code, opts->gen.context_reg, zr_off(Z80_B), opts->gen.scratch1, SZ_B);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2803 }
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2804 setcc_rdisp(code, CC_P, opts->gen.context_reg, zf_off(ZF_PV));
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2805 if (opts->regs[Z80_B] >= 0) {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2806 cmp_ir(code, 0, opts->regs[Z80_B], SZ_B);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2807 } else {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2808 cmp_irdisp(code, 0, opts->gen.context_reg, zr_off(Z80_B), SZ_B);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2809 }
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2810 code_ptr done = code->cur+1;
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2811 jcc(code, CC_Z, code->cur+2);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2812 cycles(&opts->gen, 5);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2813 jmp(code, start);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2814 *done = code->cur - (done + 1);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2815 break;
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2816 }
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2817 default: {
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2818 char disbuf[80];
314 54c0e5f22198 Show absolute addresses for JR, JRCC and DJNZ in Z80 disassembler Mike Pavone <pavone@retrodev.com> parents: 313 diff changeset	2819 z80_disasm(inst, disbuf, address);
259 d9417261366f Fix a remaining z80_write reg swap bug. Properly initialize the native map slots. Reset appropriate regs when z80_reset is called. Mike Pavone <pavone@retrodev.com> parents: 257 diff changeset	2820 FILE * f = fopen("zram.bin", "wb");
d9417261366f Fix a remaining z80_write reg swap bug. Properly initialize the native map slots. Reset appropriate regs when z80_reset is called. Mike Pavone <pavone@retrodev.com> parents: 257 diff changeset	2821 fwrite(context->mem_pointers[0], 1, 8 * 1024, f);
d9417261366f Fix a remaining z80_write reg swap bug. Properly initialize the native map slots. Reset appropriate regs when z80_reset is called. Mike Pavone <pavone@retrodev.com> parents: 257 diff changeset	2822 fclose(f);
792 724bbec47f86 Use a new fatal_error function instead of calling fprintf and exit for fatal errors. This new function more gracefully handles the case in which BlastEm was not started from a terminal or disconnected from ther terminal (Windows). Michael Pavone <pavone@retrodev.com> parents: 755 diff changeset	2823 fatal_error("unimplemented Z80 instruction: %s at %X\nZ80 RAM has been saved to zram.bin for debugging", disbuf, address);
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	2824 }
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2825 }
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2826 }
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2827
627 c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses Michael Pavone <pavone@retrodev.com> parents: 626 diff changeset	2828 uint8_t * z80_interp_handler(uint8_t opcode, z80_context * context)
c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses Michael Pavone <pavone@retrodev.com> parents: 626 diff changeset	2829 {
c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses Michael Pavone <pavone@retrodev.com> parents: 626 diff changeset	2830 if (!context->interp_code[opcode]) {
755 7306b3967c51 Cleanup some warnings under clang through a combination of code fixes and supressing specific warnings Michael Pavone <pavone@retrodev.com> parents: 737 diff changeset	2831 if (opcode == 0xCB \|\| (opcode >= 0xDD && (opcode & 0xF) == 0xD)) {
792 724bbec47f86 Use a new fatal_error function instead of calling fprintf and exit for fatal errors. This new function more gracefully handles the case in which BlastEm was not started from a terminal or disconnected from ther terminal (Windows). Michael Pavone <pavone@retrodev.com> parents: 755 diff changeset	2832 fatal_error("Encountered prefix byte %X at address %X. Z80 interpeter doesn't support those yet.", opcode, context->pc);
627 c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses Michael Pavone <pavone@retrodev.com> parents: 626 diff changeset	2833 }
c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses Michael Pavone <pavone@retrodev.com> parents: 626 diff changeset	2834 uint8_t codebuf[8];
c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses Michael Pavone <pavone@retrodev.com> parents: 626 diff changeset	2835 memset(codebuf, 0, sizeof(codebuf));
c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses Michael Pavone <pavone@retrodev.com> parents: 626 diff changeset	2836 codebuf[0] = opcode;
c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses Michael Pavone <pavone@retrodev.com> parents: 626 diff changeset	2837 z80inst inst;
c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses Michael Pavone <pavone@retrodev.com> parents: 626 diff changeset	2838 uint8_t * after = z80_decode(codebuf, &inst);
c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses Michael Pavone <pavone@retrodev.com> parents: 626 diff changeset	2839 if (after - codebuf > 1) {
792 724bbec47f86 Use a new fatal_error function instead of calling fprintf and exit for fatal errors. This new function more gracefully handles the case in which BlastEm was not started from a terminal or disconnected from ther terminal (Windows). Michael Pavone <pavone@retrodev.com> parents: 755 diff changeset	2840 fatal_error("Encountered multi-byte Z80 instruction at %X. Z80 interpeter doesn't support those yet.", context->pc);
627 c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses Michael Pavone <pavone@retrodev.com> parents: 626 diff changeset	2841 }
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2842
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2843 z80_options * opts = context->options;
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2844 code_info *code = &opts->gen.code;
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2845 check_alloc_code(code, ZMAX_NATIVE_SIZE);
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2846 context->interp_code[opcode] = code->cur;
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2847 translate_z80inst(&inst, context, 0, 1);
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2848 mov_rdispr(code, opts->gen.context_reg, offsetof(z80_context, pc), opts->gen.scratch1, SZ_W);
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2849 add_ir(code, after - codebuf, opts->gen.scratch1, SZ_W);
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2850 call(code, opts->native_addr);
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2851 jmp_r(code, opts->gen.scratch1);
715 1c2020d3e275 Call z80_handle_deferred after generating an insruction handler so that instructions like rst work correctly Michael Pavone <pavone@retrodev.com> parents: 712 diff changeset	2852 z80_handle_deferred(context);
627 c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses Michael Pavone <pavone@retrodev.com> parents: 626 diff changeset	2853 }
c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses Michael Pavone <pavone@retrodev.com> parents: 626 diff changeset	2854 return context->interp_code[opcode];
c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses Michael Pavone <pavone@retrodev.com> parents: 626 diff changeset	2855 }
c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses Michael Pavone <pavone@retrodev.com> parents: 626 diff changeset	2856
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2857 code_info z80_make_interp_stub(z80_context * context, uint16_t address)
627 c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses Michael Pavone <pavone@retrodev.com> parents: 626 diff changeset	2858 {
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2859 z80_options *opts = context->options;
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2860 code_info * code = &opts->gen.code;
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2861 check_alloc_code(code, 32);
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2862 code_info stub = {code->cur, NULL};
627 c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses Michael Pavone <pavone@retrodev.com> parents: 626 diff changeset	2863 //TODO: make this play well with the breakpoint code
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2864 mov_ir(code, address, opts->gen.scratch1, SZ_W);
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2865 call(code, opts->read_8);
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	2866 //opcode fetch M-cycles have one extra T-state
1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	2867 cycles(&opts->gen, 1);
1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	2868 //TODO: increment R
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2869 check_cycles_int(&opts->gen, address);
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2870 call(code, opts->gen.save_context);
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2871 mov_irdisp(code, address, opts->gen.context_reg, offsetof(z80_context, pc), SZ_W);
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2872 push_r(code, opts->gen.context_reg);
712 382a2b5b70c0 Fix crash bug in Z80 interpreter Michael Pavone <pavone@retrodev.com> parents: 702 diff changeset	2873 call_args(code, (code_ptr)z80_interp_handler, 2, opts->gen.scratch1, opts->gen.context_reg);
664 bca748422bf0 Use SZ_PTR instead of SZ_Q in Z80 core for 32-bit compat Michael Pavone <pavone@retrodev.com> parents: 663 diff changeset	2874 mov_rr(code, RAX, opts->gen.scratch1, SZ_PTR);
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2875 pop_r(code, opts->gen.context_reg);
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2876 call(code, opts->gen.load_context);
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2877 jmp_r(code, opts->gen.scratch1);
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2878 stub.last = code->cur;
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2879 return stub;
627 c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses Michael Pavone <pavone@retrodev.com> parents: 626 diff changeset	2880 }
c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses Michael Pavone <pavone@retrodev.com> parents: 626 diff changeset	2881
c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses Michael Pavone <pavone@retrodev.com> parents: 626 diff changeset	2882
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2883 uint8_t * z80_get_native_address(z80_context * context, uint32_t address)
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2884 {
1130 8f14767661fa Remove memory map assumptions from Z80 core and move a little bit of logic to the generic backend.c so it can be shared between CPU cores Michael Pavone <pavone@retrodev.com> parents: 1117 diff changeset	2885 z80_options *opts = context->options;
8f14767661fa Remove memory map assumptions from Z80 core and move a little bit of logic to the generic backend.c so it can be shared between CPU cores Michael Pavone <pavone@retrodev.com> parents: 1117 diff changeset	2886 native_map_slot * native_code_map = opts->gen.native_code_map;
8f14767661fa Remove memory map assumptions from Z80 core and move a little bit of logic to the generic backend.c so it can be shared between CPU cores Michael Pavone <pavone@retrodev.com> parents: 1117 diff changeset	2887
8f14767661fa Remove memory map assumptions from Z80 core and move a little bit of logic to the generic backend.c so it can be shared between CPU cores Michael Pavone <pavone@retrodev.com> parents: 1117 diff changeset	2888 memmap_chunk const *mem_chunk = find_map_chunk(address, &opts->gen, 0, NULL);
8f14767661fa Remove memory map assumptions from Z80 core and move a little bit of logic to the generic backend.c so it can be shared between CPU cores Michael Pavone <pavone@retrodev.com> parents: 1117 diff changeset	2889 if (mem_chunk) {
8f14767661fa Remove memory map assumptions from Z80 core and move a little bit of logic to the generic backend.c so it can be shared between CPU cores Michael Pavone <pavone@retrodev.com> parents: 1117 diff changeset	2890 //calculate the lowest alias for this address
8f14767661fa Remove memory map assumptions from Z80 core and move a little bit of logic to the generic backend.c so it can be shared between CPU cores Michael Pavone <pavone@retrodev.com> parents: 1117 diff changeset	2891 address = mem_chunk->start + ((address - mem_chunk->start) & mem_chunk->mask);
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2892 }
1130 8f14767661fa Remove memory map assumptions from Z80 core and move a little bit of logic to the generic backend.c so it can be shared between CPU cores Michael Pavone <pavone@retrodev.com> parents: 1117 diff changeset	2893 uint32_t chunk = address / NATIVE_CHUNK_SIZE;
8f14767661fa Remove memory map assumptions from Z80 core and move a little bit of logic to the generic backend.c so it can be shared between CPU cores Michael Pavone <pavone@retrodev.com> parents: 1117 diff changeset	2894 if (!native_code_map[chunk].base) {
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2895 return NULL;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2896 }
1130 8f14767661fa Remove memory map assumptions from Z80 core and move a little bit of logic to the generic backend.c so it can be shared between CPU cores Michael Pavone <pavone@retrodev.com> parents: 1117 diff changeset	2897 uint32_t offset = address % NATIVE_CHUNK_SIZE;
8f14767661fa Remove memory map assumptions from Z80 core and move a little bit of logic to the generic backend.c so it can be shared between CPU cores Michael Pavone <pavone@retrodev.com> parents: 1117 diff changeset	2898 if (native_code_map[chunk].offsets[offset] == INVALID_OFFSET \|\| native_code_map[chunk].offsets[offset] == EXTENSION_WORD) {
8f14767661fa Remove memory map assumptions from Z80 core and move a little bit of logic to the generic backend.c so it can be shared between CPU cores Michael Pavone <pavone@retrodev.com> parents: 1117 diff changeset	2899 return NULL;
8f14767661fa Remove memory map assumptions from Z80 core and move a little bit of logic to the generic backend.c so it can be shared between CPU cores Michael Pavone <pavone@retrodev.com> parents: 1117 diff changeset	2900 }
8f14767661fa Remove memory map assumptions from Z80 core and move a little bit of logic to the generic backend.c so it can be shared between CPU cores Michael Pavone <pavone@retrodev.com> parents: 1117 diff changeset	2901 return native_code_map[chunk].base + native_code_map[chunk].offsets[offset];
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2902 }
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2903
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2904 uint8_t z80_get_native_inst_size(z80_options * opts, uint32_t address)
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2905 {
1130 8f14767661fa Remove memory map assumptions from Z80 core and move a little bit of logic to the generic backend.c so it can be shared between CPU cores Michael Pavone <pavone@retrodev.com> parents: 1117 diff changeset	2906 uint32_t meta_off;
1142 5c8b1c33ca10 Invalidate translated code on a cartridge bank change in SMS mode. Fix handling of bank 0 Michael Pavone <pavone@retrodev.com> parents: 1131 diff changeset	2907 memmap_chunk const *chunk = find_map_chunk(address, &opts->gen, MMAP_CODE, &meta_off);
1130 8f14767661fa Remove memory map assumptions from Z80 core and move a little bit of logic to the generic backend.c so it can be shared between CPU cores Michael Pavone <pavone@retrodev.com> parents: 1117 diff changeset	2908 if (chunk) {
8f14767661fa Remove memory map assumptions from Z80 core and move a little bit of logic to the generic backend.c so it can be shared between CPU cores Michael Pavone <pavone@retrodev.com> parents: 1117 diff changeset	2909 meta_off += (address - chunk->start) & chunk->mask;
252 63b9a500a00b Implement retranslating code when written to. Possibly broken, need to fix some other bugs before a proper test. Mike Pavone <pavone@retrodev.com> parents: 250 diff changeset	2910 }
1130 8f14767661fa Remove memory map assumptions from Z80 core and move a little bit of logic to the generic backend.c so it can be shared between CPU cores Michael Pavone <pavone@retrodev.com> parents: 1117 diff changeset	2911 uint32_t slot = meta_off/1024;
8f14767661fa Remove memory map assumptions from Z80 core and move a little bit of logic to the generic backend.c so it can be shared between CPU cores Michael Pavone <pavone@retrodev.com> parents: 1117 diff changeset	2912 return opts->gen.ram_inst_sizes[slot][meta_off%1024];
252 63b9a500a00b Implement retranslating code when written to. Possibly broken, need to fix some other bugs before a proper test. Mike Pavone <pavone@retrodev.com> parents: 250 diff changeset	2913 }
63b9a500a00b Implement retranslating code when written to. Possibly broken, need to fix some other bugs before a proper test. Mike Pavone <pavone@retrodev.com> parents: 250 diff changeset	2914
63b9a500a00b Implement retranslating code when written to. Possibly broken, need to fix some other bugs before a proper test. Mike Pavone <pavone@retrodev.com> parents: 250 diff changeset	2915 void z80_map_native_address(z80_context * context, uint32_t address, uint8_t * native_address, uint8_t size, uint8_t native_size)
63b9a500a00b Implement retranslating code when written to. Possibly broken, need to fix some other bugs before a proper test. Mike Pavone <pavone@retrodev.com> parents: 250 diff changeset	2916 {
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2917 z80_options * opts = context->options;
1130 8f14767661fa Remove memory map assumptions from Z80 core and move a little bit of logic to the generic backend.c so it can be shared between CPU cores Michael Pavone <pavone@retrodev.com> parents: 1117 diff changeset	2918 uint32_t meta_off;
1142 5c8b1c33ca10 Invalidate translated code on a cartridge bank change in SMS mode. Fix handling of bank 0 Michael Pavone <pavone@retrodev.com> parents: 1131 diff changeset	2919 memmap_chunk const *mem_chunk = find_map_chunk(address, &opts->gen, MMAP_CODE, &meta_off);
1130 8f14767661fa Remove memory map assumptions from Z80 core and move a little bit of logic to the generic backend.c so it can be shared between CPU cores Michael Pavone <pavone@retrodev.com> parents: 1117 diff changeset	2920 if (mem_chunk) {
1142 5c8b1c33ca10 Invalidate translated code on a cartridge bank change in SMS mode. Fix handling of bank 0 Michael Pavone <pavone@retrodev.com> parents: 1131 diff changeset	2921 if (mem_chunk->flags & MMAP_CODE) {
1130 8f14767661fa Remove memory map assumptions from Z80 core and move a little bit of logic to the generic backend.c so it can be shared between CPU cores Michael Pavone <pavone@retrodev.com> parents: 1117 diff changeset	2922 uint32_t masked = (address & mem_chunk->mask);
8f14767661fa Remove memory map assumptions from Z80 core and move a little bit of logic to the generic backend.c so it can be shared between CPU cores Michael Pavone <pavone@retrodev.com> parents: 1117 diff changeset	2923 uint32_t final_off = masked + meta_off;
8f14767661fa Remove memory map assumptions from Z80 core and move a little bit of logic to the generic backend.c so it can be shared between CPU cores Michael Pavone <pavone@retrodev.com> parents: 1117 diff changeset	2924 uint32_t ram_flags_off = final_off >> (opts->gen.ram_flags_shift + 3);
8f14767661fa Remove memory map assumptions from Z80 core and move a little bit of logic to the generic backend.c so it can be shared between CPU cores Michael Pavone <pavone@retrodev.com> parents: 1117 diff changeset	2925 context->ram_code_flags[ram_flags_off] \|= 1 << ((final_off >> opts->gen.ram_flags_shift) & 7);
8f14767661fa Remove memory map assumptions from Z80 core and move a little bit of logic to the generic backend.c so it can be shared between CPU cores Michael Pavone <pavone@retrodev.com> parents: 1117 diff changeset	2926
8f14767661fa Remove memory map assumptions from Z80 core and move a little bit of logic to the generic backend.c so it can be shared between CPU cores Michael Pavone <pavone@retrodev.com> parents: 1117 diff changeset	2927 uint32_t slot = final_off / 1024;
8f14767661fa Remove memory map assumptions from Z80 core and move a little bit of logic to the generic backend.c so it can be shared between CPU cores Michael Pavone <pavone@retrodev.com> parents: 1117 diff changeset	2928 if (!opts->gen.ram_inst_sizes[slot]) {
8f14767661fa Remove memory map assumptions from Z80 core and move a little bit of logic to the generic backend.c so it can be shared between CPU cores Michael Pavone <pavone@retrodev.com> parents: 1117 diff changeset	2929 opts->gen.ram_inst_sizes[slot] = malloc(sizeof(uint8_t) * 1024);
8f14767661fa Remove memory map assumptions from Z80 core and move a little bit of logic to the generic backend.c so it can be shared between CPU cores Michael Pavone <pavone@retrodev.com> parents: 1117 diff changeset	2930 }
8f14767661fa Remove memory map assumptions from Z80 core and move a little bit of logic to the generic backend.c so it can be shared between CPU cores Michael Pavone <pavone@retrodev.com> parents: 1117 diff changeset	2931 opts->gen.ram_inst_sizes[slot][final_off % 1024] = native_size;
8f14767661fa Remove memory map assumptions from Z80 core and move a little bit of logic to the generic backend.c so it can be shared between CPU cores Michael Pavone <pavone@retrodev.com> parents: 1117 diff changeset	2932
8f14767661fa Remove memory map assumptions from Z80 core and move a little bit of logic to the generic backend.c so it can be shared between CPU cores Michael Pavone <pavone@retrodev.com> parents: 1117 diff changeset	2933 //TODO: Deal with case in which end of instruction is in a different memory chunk
8f14767661fa Remove memory map assumptions from Z80 core and move a little bit of logic to the generic backend.c so it can be shared between CPU cores Michael Pavone <pavone@retrodev.com> parents: 1117 diff changeset	2934 masked = (address + size - 1) & mem_chunk->mask;
8f14767661fa Remove memory map assumptions from Z80 core and move a little bit of logic to the generic backend.c so it can be shared between CPU cores Michael Pavone <pavone@retrodev.com> parents: 1117 diff changeset	2935 final_off = masked + meta_off;
8f14767661fa Remove memory map assumptions from Z80 core and move a little bit of logic to the generic backend.c so it can be shared between CPU cores Michael Pavone <pavone@retrodev.com> parents: 1117 diff changeset	2936 ram_flags_off = final_off >> (opts->gen.ram_flags_shift + 3);
8f14767661fa Remove memory map assumptions from Z80 core and move a little bit of logic to the generic backend.c so it can be shared between CPU cores Michael Pavone <pavone@retrodev.com> parents: 1117 diff changeset	2937 context->ram_code_flags[ram_flags_off] \|= 1 << ((final_off >> opts->gen.ram_flags_shift) & 7);
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2938 }
1130 8f14767661fa Remove memory map assumptions from Z80 core and move a little bit of logic to the generic backend.c so it can be shared between CPU cores Michael Pavone <pavone@retrodev.com> parents: 1117 diff changeset	2939 //calculate the lowest alias for this address
8f14767661fa Remove memory map assumptions from Z80 core and move a little bit of logic to the generic backend.c so it can be shared between CPU cores Michael Pavone <pavone@retrodev.com> parents: 1117 diff changeset	2940 address = mem_chunk->start + ((address - mem_chunk->start) & mem_chunk->mask);
1222 60d73f42a606 Hacky fix so sound works in Project MD again Michael Pavone <pavone@retrodev.com> parents: 1182 diff changeset	2941 } else {
60d73f42a606 Hacky fix so sound works in Project MD again Michael Pavone <pavone@retrodev.com> parents: 1182 diff changeset	2942 address &= opts->gen.address_mask;
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2943 }
1130 8f14767661fa Remove memory map assumptions from Z80 core and move a little bit of logic to the generic backend.c so it can be shared between CPU cores Michael Pavone <pavone@retrodev.com> parents: 1117 diff changeset	2944
8f14767661fa Remove memory map assumptions from Z80 core and move a little bit of logic to the generic backend.c so it can be shared between CPU cores Michael Pavone <pavone@retrodev.com> parents: 1117 diff changeset	2945 native_map_slot *map = opts->gen.native_code_map + address / NATIVE_CHUNK_SIZE;
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2946 if (!map->base) {
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2947 map->base = native_address;
1130 8f14767661fa Remove memory map assumptions from Z80 core and move a little bit of logic to the generic backend.c so it can be shared between CPU cores Michael Pavone <pavone@retrodev.com> parents: 1117 diff changeset	2948 map->offsets = malloc(sizeof(int32_t) * NATIVE_CHUNK_SIZE);
8f14767661fa Remove memory map assumptions from Z80 core and move a little bit of logic to the generic backend.c so it can be shared between CPU cores Michael Pavone <pavone@retrodev.com> parents: 1117 diff changeset	2949 memset(map->offsets, 0xFF, sizeof(int32_t) * NATIVE_CHUNK_SIZE);
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2950 }
1130 8f14767661fa Remove memory map assumptions from Z80 core and move a little bit of logic to the generic backend.c so it can be shared between CPU cores Michael Pavone <pavone@retrodev.com> parents: 1117 diff changeset	2951 map->offsets[address % NATIVE_CHUNK_SIZE] = native_address - map->base;
1182 2a799f24563f Fix regression in tracking of 3+ byte instructions in Z80 core Michael Pavone <pavone@retrodev.com> parents: 1147 diff changeset	2952 for(--size, address++; size; --size, address++) {
1130 8f14767661fa Remove memory map assumptions from Z80 core and move a little bit of logic to the generic backend.c so it can be shared between CPU cores Michael Pavone <pavone@retrodev.com> parents: 1117 diff changeset	2953 address &= opts->gen.address_mask;
8f14767661fa Remove memory map assumptions from Z80 core and move a little bit of logic to the generic backend.c so it can be shared between CPU cores Michael Pavone <pavone@retrodev.com> parents: 1117 diff changeset	2954 map = opts->gen.native_code_map + address / NATIVE_CHUNK_SIZE;
8f14767661fa Remove memory map assumptions from Z80 core and move a little bit of logic to the generic backend.c so it can be shared between CPU cores Michael Pavone <pavone@retrodev.com> parents: 1117 diff changeset	2955 if (!map->base) {
8f14767661fa Remove memory map assumptions from Z80 core and move a little bit of logic to the generic backend.c so it can be shared between CPU cores Michael Pavone <pavone@retrodev.com> parents: 1117 diff changeset	2956 map->base = native_address;
8f14767661fa Remove memory map assumptions from Z80 core and move a little bit of logic to the generic backend.c so it can be shared between CPU cores Michael Pavone <pavone@retrodev.com> parents: 1117 diff changeset	2957 map->offsets = malloc(sizeof(int32_t) * NATIVE_CHUNK_SIZE);
8f14767661fa Remove memory map assumptions from Z80 core and move a little bit of logic to the generic backend.c so it can be shared between CPU cores Michael Pavone <pavone@retrodev.com> parents: 1117 diff changeset	2958 memset(map->offsets, 0xFF, sizeof(int32_t) * NATIVE_CHUNK_SIZE);
252 63b9a500a00b Implement retranslating code when written to. Possibly broken, need to fix some other bugs before a proper test. Mike Pavone <pavone@retrodev.com> parents: 250 diff changeset	2959 }
1130 8f14767661fa Remove memory map assumptions from Z80 core and move a little bit of logic to the generic backend.c so it can be shared between CPU cores Michael Pavone <pavone@retrodev.com> parents: 1117 diff changeset	2960
1224 15c5be05e6a9 Ported correct but inefficient overlapping instruction handling from 68K core to Z80 core. Fixed remaining stack alignment issue for Z80 breakpoints on 64-bit. Probably still needs fixing for 32-bit Michael Pavone <pavone@retrodev.com> parents: 1222 diff changeset	2961 if (map->offsets[address % NATIVE_CHUNK_SIZE] == INVALID_OFFSET) {
15c5be05e6a9 Ported correct but inefficient overlapping instruction handling from 68K core to Z80 core. Fixed remaining stack alignment issue for Z80 breakpoints on 64-bit. Probably still needs fixing for 32-bit Michael Pavone <pavone@retrodev.com> parents: 1222 diff changeset	2962 //TODO: better handling of potentially overlapping instructions
15c5be05e6a9 Ported correct but inefficient overlapping instruction handling from 68K core to Z80 core. Fixed remaining stack alignment issue for Z80 breakpoints on 64-bit. Probably still needs fixing for 32-bit Michael Pavone <pavone@retrodev.com> parents: 1222 diff changeset	2963 map->offsets[address % NATIVE_CHUNK_SIZE] = EXTENSION_WORD;
15c5be05e6a9 Ported correct but inefficient overlapping instruction handling from 68K core to Z80 core. Fixed remaining stack alignment issue for Z80 breakpoints on 64-bit. Probably still needs fixing for 32-bit Michael Pavone <pavone@retrodev.com> parents: 1222 diff changeset	2964 }
252 63b9a500a00b Implement retranslating code when written to. Possibly broken, need to fix some other bugs before a proper test. Mike Pavone <pavone@retrodev.com> parents: 250 diff changeset	2965 }
63b9a500a00b Implement retranslating code when written to. Possibly broken, need to fix some other bugs before a proper test. Mike Pavone <pavone@retrodev.com> parents: 250 diff changeset	2966 }
63b9a500a00b Implement retranslating code when written to. Possibly broken, need to fix some other bugs before a proper test. Mike Pavone <pavone@retrodev.com> parents: 250 diff changeset	2967
63b9a500a00b Implement retranslating code when written to. Possibly broken, need to fix some other bugs before a proper test. Mike Pavone <pavone@retrodev.com> parents: 250 diff changeset	2968 #define INVALID_INSTRUCTION_START 0xFEEDFEED
63b9a500a00b Implement retranslating code when written to. Possibly broken, need to fix some other bugs before a proper test. Mike Pavone <pavone@retrodev.com> parents: 250 diff changeset	2969
1130 8f14767661fa Remove memory map assumptions from Z80 core and move a little bit of logic to the generic backend.c so it can be shared between CPU cores Michael Pavone <pavone@retrodev.com> parents: 1117 diff changeset	2970 uint32_t z80_get_instruction_start(z80_context *context, uint32_t address)
8f14767661fa Remove memory map assumptions from Z80 core and move a little bit of logic to the generic backend.c so it can be shared between CPU cores Michael Pavone <pavone@retrodev.com> parents: 1117 diff changeset	2971 {
8f14767661fa Remove memory map assumptions from Z80 core and move a little bit of logic to the generic backend.c so it can be shared between CPU cores Michael Pavone <pavone@retrodev.com> parents: 1117 diff changeset	2972 z80_options *opts = context->options;
8f14767661fa Remove memory map assumptions from Z80 core and move a little bit of logic to the generic backend.c so it can be shared between CPU cores Michael Pavone <pavone@retrodev.com> parents: 1117 diff changeset	2973 native_map_slot * native_code_map = opts->gen.native_code_map;
8f14767661fa Remove memory map assumptions from Z80 core and move a little bit of logic to the generic backend.c so it can be shared between CPU cores Michael Pavone <pavone@retrodev.com> parents: 1117 diff changeset	2974 memmap_chunk const *mem_chunk = find_map_chunk(address, &opts->gen, 0, NULL);
8f14767661fa Remove memory map assumptions from Z80 core and move a little bit of logic to the generic backend.c so it can be shared between CPU cores Michael Pavone <pavone@retrodev.com> parents: 1117 diff changeset	2975 if (mem_chunk) {
8f14767661fa Remove memory map assumptions from Z80 core and move a little bit of logic to the generic backend.c so it can be shared between CPU cores Michael Pavone <pavone@retrodev.com> parents: 1117 diff changeset	2976 //calculate the lowest alias for this address
8f14767661fa Remove memory map assumptions from Z80 core and move a little bit of logic to the generic backend.c so it can be shared between CPU cores Michael Pavone <pavone@retrodev.com> parents: 1117 diff changeset	2977 address = mem_chunk->start + ((address - mem_chunk->start) & mem_chunk->mask);
8f14767661fa Remove memory map assumptions from Z80 core and move a little bit of logic to the generic backend.c so it can be shared between CPU cores Michael Pavone <pavone@retrodev.com> parents: 1117 diff changeset	2978 }
8f14767661fa Remove memory map assumptions from Z80 core and move a little bit of logic to the generic backend.c so it can be shared between CPU cores Michael Pavone <pavone@retrodev.com> parents: 1117 diff changeset	2979
8f14767661fa Remove memory map assumptions from Z80 core and move a little bit of logic to the generic backend.c so it can be shared between CPU cores Michael Pavone <pavone@retrodev.com> parents: 1117 diff changeset	2980 uint32_t chunk = address / NATIVE_CHUNK_SIZE;
8f14767661fa Remove memory map assumptions from Z80 core and move a little bit of logic to the generic backend.c so it can be shared between CPU cores Michael Pavone <pavone@retrodev.com> parents: 1117 diff changeset	2981 if (!native_code_map[chunk].base) {
252 63b9a500a00b Implement retranslating code when written to. Possibly broken, need to fix some other bugs before a proper test. Mike Pavone <pavone@retrodev.com> parents: 250 diff changeset	2982 return INVALID_INSTRUCTION_START;
63b9a500a00b Implement retranslating code when written to. Possibly broken, need to fix some other bugs before a proper test. Mike Pavone <pavone@retrodev.com> parents: 250 diff changeset	2983 }
1130 8f14767661fa Remove memory map assumptions from Z80 core and move a little bit of logic to the generic backend.c so it can be shared between CPU cores Michael Pavone <pavone@retrodev.com> parents: 1117 diff changeset	2984 uint32_t offset = address % NATIVE_CHUNK_SIZE;
8f14767661fa Remove memory map assumptions from Z80 core and move a little bit of logic to the generic backend.c so it can be shared between CPU cores Michael Pavone <pavone@retrodev.com> parents: 1117 diff changeset	2985 if (native_code_map[chunk].offsets[offset] == INVALID_OFFSET) {
252 63b9a500a00b Implement retranslating code when written to. Possibly broken, need to fix some other bugs before a proper test. Mike Pavone <pavone@retrodev.com> parents: 250 diff changeset	2986 return INVALID_INSTRUCTION_START;
63b9a500a00b Implement retranslating code when written to. Possibly broken, need to fix some other bugs before a proper test. Mike Pavone <pavone@retrodev.com> parents: 250 diff changeset	2987 }
1130 8f14767661fa Remove memory map assumptions from Z80 core and move a little bit of logic to the generic backend.c so it can be shared between CPU cores Michael Pavone <pavone@retrodev.com> parents: 1117 diff changeset	2988 while (native_code_map[chunk].offsets[offset] == EXTENSION_WORD)
8f14767661fa Remove memory map assumptions from Z80 core and move a little bit of logic to the generic backend.c so it can be shared between CPU cores Michael Pavone <pavone@retrodev.com> parents: 1117 diff changeset	2989 {
252 63b9a500a00b Implement retranslating code when written to. Possibly broken, need to fix some other bugs before a proper test. Mike Pavone <pavone@retrodev.com> parents: 250 diff changeset	2990 --address;
1130 8f14767661fa Remove memory map assumptions from Z80 core and move a little bit of logic to the generic backend.c so it can be shared between CPU cores Michael Pavone <pavone@retrodev.com> parents: 1117 diff changeset	2991 chunk = address / NATIVE_CHUNK_SIZE;
8f14767661fa Remove memory map assumptions from Z80 core and move a little bit of logic to the generic backend.c so it can be shared between CPU cores Michael Pavone <pavone@retrodev.com> parents: 1117 diff changeset	2992 offset = address % NATIVE_CHUNK_SIZE;
252 63b9a500a00b Implement retranslating code when written to. Possibly broken, need to fix some other bugs before a proper test. Mike Pavone <pavone@retrodev.com> parents: 250 diff changeset	2993 }
63b9a500a00b Implement retranslating code when written to. Possibly broken, need to fix some other bugs before a proper test. Mike Pavone <pavone@retrodev.com> parents: 250 diff changeset	2994 return address;
63b9a500a00b Implement retranslating code when written to. Possibly broken, need to fix some other bugs before a proper test. Mike Pavone <pavone@retrodev.com> parents: 250 diff changeset	2995 }
63b9a500a00b Implement retranslating code when written to. Possibly broken, need to fix some other bugs before a proper test. Mike Pavone <pavone@retrodev.com> parents: 250 diff changeset	2996
1224 15c5be05e6a9 Ported correct but inefficient overlapping instruction handling from 68K core to Z80 core. Fixed remaining stack alignment issue for Z80 breakpoints on 64-bit. Probably still needs fixing for 32-bit Michael Pavone <pavone@retrodev.com> parents: 1222 diff changeset	2997 //Technically unbounded due to redundant prefixes, but this is the max useful size
15c5be05e6a9 Ported correct but inefficient overlapping instruction handling from 68K core to Z80 core. Fixed remaining stack alignment issue for Z80 breakpoints on 64-bit. Probably still needs fixing for 32-bit Michael Pavone <pavone@retrodev.com> parents: 1222 diff changeset	2998 #define Z80_MAX_INST_SIZE 4
15c5be05e6a9 Ported correct but inefficient overlapping instruction handling from 68K core to Z80 core. Fixed remaining stack alignment issue for Z80 breakpoints on 64-bit. Probably still needs fixing for 32-bit Michael Pavone <pavone@retrodev.com> parents: 1222 diff changeset	2999
252 63b9a500a00b Implement retranslating code when written to. Possibly broken, need to fix some other bugs before a proper test. Mike Pavone <pavone@retrodev.com> parents: 250 diff changeset	3000 z80_context * z80_handle_code_write(uint32_t address, z80_context * context)
63b9a500a00b Implement retranslating code when written to. Possibly broken, need to fix some other bugs before a proper test. Mike Pavone <pavone@retrodev.com> parents: 250 diff changeset	3001 {
1130 8f14767661fa Remove memory map assumptions from Z80 core and move a little bit of logic to the generic backend.c so it can be shared between CPU cores Michael Pavone <pavone@retrodev.com> parents: 1117 diff changeset	3002 uint32_t inst_start = z80_get_instruction_start(context, address);
1224 15c5be05e6a9 Ported correct but inefficient overlapping instruction handling from 68K core to Z80 core. Fixed remaining stack alignment issue for Z80 breakpoints on 64-bit. Probably still needs fixing for 32-bit Michael Pavone <pavone@retrodev.com> parents: 1222 diff changeset	3003 while (inst_start != INVALID_INSTRUCTION_START && (address - inst_start) < Z80_MAX_INST_SIZE) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	3004 code_ptr dst = z80_get_native_address(context, inst_start);
899 07bfbbbb4b2e Fix for Z80 retranslation post alignment rework Michael Pavone <pavone@retrodev.com> parents: 898 diff changeset	3005 code_info code = {dst, dst+32, 0};
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	3006 z80_options * opts = context->options;
668 5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	3007 dprintf("patching code at %p for Z80 instruction at %X due to write to %X\n", code.cur, inst_start, address);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	3008 mov_ir(&code, inst_start, opts->gen.scratch1, SZ_D);
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	3009 call(&code, opts->retrans_stub);
1224 15c5be05e6a9 Ported correct but inefficient overlapping instruction handling from 68K core to Z80 core. Fixed remaining stack alignment issue for Z80 breakpoints on 64-bit. Probably still needs fixing for 32-bit Michael Pavone <pavone@retrodev.com> parents: 1222 diff changeset	3010 inst_start = z80_get_instruction_start(context, inst_start - 1);
252 63b9a500a00b Implement retranslating code when written to. Possibly broken, need to fix some other bugs before a proper test. Mike Pavone <pavone@retrodev.com> parents: 250 diff changeset	3011 }
63b9a500a00b Implement retranslating code when written to. Possibly broken, need to fix some other bugs before a proper test. Mike Pavone <pavone@retrodev.com> parents: 250 diff changeset	3012 return context;
63b9a500a00b Implement retranslating code when written to. Possibly broken, need to fix some other bugs before a proper test. Mike Pavone <pavone@retrodev.com> parents: 250 diff changeset	3013 }
63b9a500a00b Implement retranslating code when written to. Possibly broken, need to fix some other bugs before a proper test. Mike Pavone <pavone@retrodev.com> parents: 250 diff changeset	3014
1142 5c8b1c33ca10 Invalidate translated code on a cartridge bank change in SMS mode. Fix handling of bank 0 Michael Pavone <pavone@retrodev.com> parents: 1131 diff changeset	3015 void z80_invalidate_code_range(z80_context *context, uint32_t start, uint32_t end)
5c8b1c33ca10 Invalidate translated code on a cartridge bank change in SMS mode. Fix handling of bank 0 Michael Pavone <pavone@retrodev.com> parents: 1131 diff changeset	3016 {
5c8b1c33ca10 Invalidate translated code on a cartridge bank change in SMS mode. Fix handling of bank 0 Michael Pavone <pavone@retrodev.com> parents: 1131 diff changeset	3017 z80_options *opts = context->options;
5c8b1c33ca10 Invalidate translated code on a cartridge bank change in SMS mode. Fix handling of bank 0 Michael Pavone <pavone@retrodev.com> parents: 1131 diff changeset	3018 native_map_slot * native_code_map = opts->gen.native_code_map;
5c8b1c33ca10 Invalidate translated code on a cartridge bank change in SMS mode. Fix handling of bank 0 Michael Pavone <pavone@retrodev.com> parents: 1131 diff changeset	3019 memmap_chunk const *mem_chunk = find_map_chunk(start, &opts->gen, 0, NULL);
5c8b1c33ca10 Invalidate translated code on a cartridge bank change in SMS mode. Fix handling of bank 0 Michael Pavone <pavone@retrodev.com> parents: 1131 diff changeset	3020 if (mem_chunk) {
5c8b1c33ca10 Invalidate translated code on a cartridge bank change in SMS mode. Fix handling of bank 0 Michael Pavone <pavone@retrodev.com> parents: 1131 diff changeset	3021 //calculate the lowest alias for this address
5c8b1c33ca10 Invalidate translated code on a cartridge bank change in SMS mode. Fix handling of bank 0 Michael Pavone <pavone@retrodev.com> parents: 1131 diff changeset	3022 start = mem_chunk->start + ((start - mem_chunk->start) & mem_chunk->mask);
5c8b1c33ca10 Invalidate translated code on a cartridge bank change in SMS mode. Fix handling of bank 0 Michael Pavone <pavone@retrodev.com> parents: 1131 diff changeset	3023 }
5c8b1c33ca10 Invalidate translated code on a cartridge bank change in SMS mode. Fix handling of bank 0 Michael Pavone <pavone@retrodev.com> parents: 1131 diff changeset	3024 mem_chunk = find_map_chunk(end, &opts->gen, 0, NULL);
5c8b1c33ca10 Invalidate translated code on a cartridge bank change in SMS mode. Fix handling of bank 0 Michael Pavone <pavone@retrodev.com> parents: 1131 diff changeset	3025 if (mem_chunk) {
5c8b1c33ca10 Invalidate translated code on a cartridge bank change in SMS mode. Fix handling of bank 0 Michael Pavone <pavone@retrodev.com> parents: 1131 diff changeset	3026 //calculate the lowest alias for this address
5c8b1c33ca10 Invalidate translated code on a cartridge bank change in SMS mode. Fix handling of bank 0 Michael Pavone <pavone@retrodev.com> parents: 1131 diff changeset	3027 end = mem_chunk->start + ((end - mem_chunk->start) & mem_chunk->mask);
5c8b1c33ca10 Invalidate translated code on a cartridge bank change in SMS mode. Fix handling of bank 0 Michael Pavone <pavone@retrodev.com> parents: 1131 diff changeset	3028 }
5c8b1c33ca10 Invalidate translated code on a cartridge bank change in SMS mode. Fix handling of bank 0 Michael Pavone <pavone@retrodev.com> parents: 1131 diff changeset	3029 uint32_t start_chunk = start / NATIVE_CHUNK_SIZE, end_chunk = end / NATIVE_CHUNK_SIZE;
5c8b1c33ca10 Invalidate translated code on a cartridge bank change in SMS mode. Fix handling of bank 0 Michael Pavone <pavone@retrodev.com> parents: 1131 diff changeset	3030 for (uint32_t chunk = start_chunk; chunk <= end_chunk; chunk++)
5c8b1c33ca10 Invalidate translated code on a cartridge bank change in SMS mode. Fix handling of bank 0 Michael Pavone <pavone@retrodev.com> parents: 1131 diff changeset	3031 {
5c8b1c33ca10 Invalidate translated code on a cartridge bank change in SMS mode. Fix handling of bank 0 Michael Pavone <pavone@retrodev.com> parents: 1131 diff changeset	3032 if (native_code_map[chunk].base) {
5c8b1c33ca10 Invalidate translated code on a cartridge bank change in SMS mode. Fix handling of bank 0 Michael Pavone <pavone@retrodev.com> parents: 1131 diff changeset	3033 uint32_t start_offset = chunk == start_chunk ? start % NATIVE_CHUNK_SIZE : 0;
5c8b1c33ca10 Invalidate translated code on a cartridge bank change in SMS mode. Fix handling of bank 0 Michael Pavone <pavone@retrodev.com> parents: 1131 diff changeset	3034 uint32_t end_offset = chunk == end_chunk ? end % NATIVE_CHUNK_SIZE : NATIVE_CHUNK_SIZE;
5c8b1c33ca10 Invalidate translated code on a cartridge bank change in SMS mode. Fix handling of bank 0 Michael Pavone <pavone@retrodev.com> parents: 1131 diff changeset	3035 for (uint32_t offset = start_offset; offset < end_offset; offset++)
5c8b1c33ca10 Invalidate translated code on a cartridge bank change in SMS mode. Fix handling of bank 0 Michael Pavone <pavone@retrodev.com> parents: 1131 diff changeset	3036 {
5c8b1c33ca10 Invalidate translated code on a cartridge bank change in SMS mode. Fix handling of bank 0 Michael Pavone <pavone@retrodev.com> parents: 1131 diff changeset	3037 if (native_code_map[chunk].offsets[offset] != INVALID_OFFSET && native_code_map[chunk].offsets[offset] != EXTENSION_WORD) {
5c8b1c33ca10 Invalidate translated code on a cartridge bank change in SMS mode. Fix handling of bank 0 Michael Pavone <pavone@retrodev.com> parents: 1131 diff changeset	3038 code_info code;
5c8b1c33ca10 Invalidate translated code on a cartridge bank change in SMS mode. Fix handling of bank 0 Michael Pavone <pavone@retrodev.com> parents: 1131 diff changeset	3039 code.cur = native_code_map[chunk].base + native_code_map[chunk].offsets[offset];
5c8b1c33ca10 Invalidate translated code on a cartridge bank change in SMS mode. Fix handling of bank 0 Michael Pavone <pavone@retrodev.com> parents: 1131 diff changeset	3040 code.last = code.cur + 32;
5c8b1c33ca10 Invalidate translated code on a cartridge bank change in SMS mode. Fix handling of bank 0 Michael Pavone <pavone@retrodev.com> parents: 1131 diff changeset	3041 code.stack_off = 0;
5c8b1c33ca10 Invalidate translated code on a cartridge bank change in SMS mode. Fix handling of bank 0 Michael Pavone <pavone@retrodev.com> parents: 1131 diff changeset	3042 mov_ir(&code, chunk * NATIVE_CHUNK_SIZE + offset, opts->gen.scratch1, SZ_D);
5c8b1c33ca10 Invalidate translated code on a cartridge bank change in SMS mode. Fix handling of bank 0 Michael Pavone <pavone@retrodev.com> parents: 1131 diff changeset	3043 call(&code, opts->retrans_stub);
5c8b1c33ca10 Invalidate translated code on a cartridge bank change in SMS mode. Fix handling of bank 0 Michael Pavone <pavone@retrodev.com> parents: 1131 diff changeset	3044 }
5c8b1c33ca10 Invalidate translated code on a cartridge bank change in SMS mode. Fix handling of bank 0 Michael Pavone <pavone@retrodev.com> parents: 1131 diff changeset	3045 }
5c8b1c33ca10 Invalidate translated code on a cartridge bank change in SMS mode. Fix handling of bank 0 Michael Pavone <pavone@retrodev.com> parents: 1131 diff changeset	3046 }
5c8b1c33ca10 Invalidate translated code on a cartridge bank change in SMS mode. Fix handling of bank 0 Michael Pavone <pavone@retrodev.com> parents: 1131 diff changeset	3047 }
5c8b1c33ca10 Invalidate translated code on a cartridge bank change in SMS mode. Fix handling of bank 0 Michael Pavone <pavone@retrodev.com> parents: 1131 diff changeset	3048 }
5c8b1c33ca10 Invalidate translated code on a cartridge bank change in SMS mode. Fix handling of bank 0 Michael Pavone <pavone@retrodev.com> parents: 1131 diff changeset	3049
264 8fd6652e56f8 Fix a crash bug in instruction retranslation Mike Pavone <pavone@retrodev.com> parents: 262 diff changeset	3050 uint8_t * z80_get_native_address_trans(z80_context * context, uint32_t address)
8fd6652e56f8 Fix a crash bug in instruction retranslation Mike Pavone <pavone@retrodev.com> parents: 262 diff changeset	3051 {
8fd6652e56f8 Fix a crash bug in instruction retranslation Mike Pavone <pavone@retrodev.com> parents: 262 diff changeset	3052 uint8_t * addr = z80_get_native_address(context, address);
8fd6652e56f8 Fix a crash bug in instruction retranslation Mike Pavone <pavone@retrodev.com> parents: 262 diff changeset	3053 if (!addr) {
8fd6652e56f8 Fix a crash bug in instruction retranslation Mike Pavone <pavone@retrodev.com> parents: 262 diff changeset	3054 translate_z80_stream(context, address);
8fd6652e56f8 Fix a crash bug in instruction retranslation Mike Pavone <pavone@retrodev.com> parents: 262 diff changeset	3055 addr = z80_get_native_address(context, address);
8fd6652e56f8 Fix a crash bug in instruction retranslation Mike Pavone <pavone@retrodev.com> parents: 262 diff changeset	3056 if (!addr) {
8fd6652e56f8 Fix a crash bug in instruction retranslation Mike Pavone <pavone@retrodev.com> parents: 262 diff changeset	3057 printf("Failed to translate %X to native code\n", address);
8fd6652e56f8 Fix a crash bug in instruction retranslation Mike Pavone <pavone@retrodev.com> parents: 262 diff changeset	3058 }
8fd6652e56f8 Fix a crash bug in instruction retranslation Mike Pavone <pavone@retrodev.com> parents: 262 diff changeset	3059 }
8fd6652e56f8 Fix a crash bug in instruction retranslation Mike Pavone <pavone@retrodev.com> parents: 262 diff changeset	3060 return addr;
8fd6652e56f8 Fix a crash bug in instruction retranslation Mike Pavone <pavone@retrodev.com> parents: 262 diff changeset	3061 }
8fd6652e56f8 Fix a crash bug in instruction retranslation Mike Pavone <pavone@retrodev.com> parents: 262 diff changeset	3062
266 376df762ddf5 Fix some more retranslation bugs in the Z80 core Mike Pavone <pavone@retrodev.com> parents: 264 diff changeset	3063 void z80_handle_deferred(z80_context * context)
376df762ddf5 Fix some more retranslation bugs in the Z80 core Mike Pavone <pavone@retrodev.com> parents: 264 diff changeset	3064 {
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3065 z80_options * opts = context->options;
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	3066 process_deferred(&opts->gen.deferred, context, (native_addr_func)z80_get_native_address);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	3067 if (opts->gen.deferred) {
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	3068 translate_z80_stream(context, opts->gen.deferred->address);
266 376df762ddf5 Fix some more retranslation bugs in the Z80 core Mike Pavone <pavone@retrodev.com> parents: 264 diff changeset	3069 }
376df762ddf5 Fix some more retranslation bugs in the Z80 core Mike Pavone <pavone@retrodev.com> parents: 264 diff changeset	3070 }
376df762ddf5 Fix some more retranslation bugs in the Z80 core Mike Pavone <pavone@retrodev.com> parents: 264 diff changeset	3071
559 6b248602ab84 blastem builds and almost works on OS X now Mike Pavone <pavone@retrodev.com> parents: 506 diff changeset	3072 extern void * z80_retranslate_inst(uint32_t address, z80_context * context, uint8_t * orig_start) asm("z80_retranslate_inst");
390 561fe3ea3fc8 Use a call instruction to figure out the original native address when retranslating so that it does not get lost when the byte transforms from a instruction word to extension word Mike Pavone <pavone@retrodev.com> parents: 389 diff changeset	3073 void * z80_retranslate_inst(uint32_t address, z80_context * context, uint8_t * orig_start)
252 63b9a500a00b Implement retranslating code when written to. Possibly broken, need to fix some other bugs before a proper test. Mike Pavone <pavone@retrodev.com> parents: 250 diff changeset	3074 {
266 376df762ddf5 Fix some more retranslation bugs in the Z80 core Mike Pavone <pavone@retrodev.com> parents: 264 diff changeset	3075 char disbuf[80];
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3076 z80_options * opts = context->options;
252 63b9a500a00b Implement retranslating code when written to. Possibly broken, need to fix some other bugs before a proper test. Mike Pavone <pavone@retrodev.com> parents: 250 diff changeset	3077 uint8_t orig_size = z80_get_native_inst_size(opts, address);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	3078 code_info *code = &opts->gen.code;
653 a18e3923481e Remove some of the hard coded assumptions about the memory map from the CPU cores Michael Pavone <pavone@retrodev.com> parents: 652 diff changeset	3079 uint8_t after, inst = get_native_pointer(address, (void **)context->mem_pointers, &opts->gen);
252 63b9a500a00b Implement retranslating code when written to. Possibly broken, need to fix some other bugs before a proper test. Mike Pavone <pavone@retrodev.com> parents: 250 diff changeset	3080 z80inst instbuf;
268 6c2d7e003a55 Sync Z80 on writes to busreq/reset ports. NULL out extra_pc on z80 reset Mike Pavone <pavone@retrodev.com> parents: 267 diff changeset	3081 dprintf("Retranslating code at Z80 address %X, native address %p\n", address, orig_start);
252 63b9a500a00b Implement retranslating code when written to. Possibly broken, need to fix some other bugs before a proper test. Mike Pavone <pavone@retrodev.com> parents: 250 diff changeset	3082 after = z80_decode(inst, &instbuf);
268 6c2d7e003a55 Sync Z80 on writes to busreq/reset ports. NULL out extra_pc on z80 reset Mike Pavone <pavone@retrodev.com> parents: 267 diff changeset	3083 #ifdef DO_DEBUG_PRINT
314 54c0e5f22198 Show absolute addresses for JR, JRCC and DJNZ in Z80 disassembler Mike Pavone <pavone@retrodev.com> parents: 313 diff changeset	3084 z80_disasm(&instbuf, disbuf, address);
266 376df762ddf5 Fix some more retranslation bugs in the Z80 core Mike Pavone <pavone@retrodev.com> parents: 264 diff changeset	3085 if (instbuf.op == Z80_NOP) {
376df762ddf5 Fix some more retranslation bugs in the Z80 core Mike Pavone <pavone@retrodev.com> parents: 264 diff changeset	3086 printf("%X\t%s(%d)\n", address, disbuf, instbuf.immed);
376df762ddf5 Fix some more retranslation bugs in the Z80 core Mike Pavone <pavone@retrodev.com> parents: 264 diff changeset	3087 } else {
376df762ddf5 Fix some more retranslation bugs in the Z80 core Mike Pavone <pavone@retrodev.com> parents: 264 diff changeset	3088 printf("%X\t%s\n", address, disbuf);
267 1788e3f29c28 Don't mix H regs with the REX prefix Mike Pavone <pavone@retrodev.com>* parents: 266 diff changeset	3089 }
268 6c2d7e003a55 Sync Z80 on writes to busreq/reset ports. NULL out extra_pc on z80 reset Mike Pavone <pavone@retrodev.com> parents: 267 diff changeset	3090 #endif
252 63b9a500a00b Implement retranslating code when written to. Possibly broken, need to fix some other bugs before a proper test. Mike Pavone <pavone@retrodev.com> parents: 250 diff changeset	3091 if (orig_size != ZMAX_NATIVE_SIZE) {
597 8d6ae5b3b87b Update code->cur before calling z80_get_address_trans in z80_retranslate_inst to avoid any newly translated instructions from being placed in the "buffer zone". Save the current value of the code_info struct for placing the final jmp instruction in the correct place Michael Pavone <pavone@retrodev.com> parents: 594 diff changeset	3092 check_alloc_code(code, ZMAX_NATIVE_SIZE);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	3093 code_ptr start = code->cur;
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	3094 deferred_addr * orig_deferred = opts->gen.deferred;
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	3095 translate_z80inst(&instbuf, context, address, 0);
644 2d7e84ae818c Temporarily comment out code to translate Z80 instructions in place as in rare cases it can stomp the next instruction if a branch goes from a short from to a long one Michael Pavone <pavone@retrodev.com> parents: 628 diff changeset	3096 /*
252 63b9a500a00b Implement retranslating code when written to. Possibly broken, need to fix some other bugs before a proper test. Mike Pavone <pavone@retrodev.com> parents: 250 diff changeset	3097 if ((native_end - dst) <= orig_size) {
264 8fd6652e56f8 Fix a crash bug in instruction retranslation Mike Pavone <pavone@retrodev.com> parents: 262 diff changeset	3098 uint8_t * native_next = z80_get_native_address(context, address + after-inst);
8fd6652e56f8 Fix a crash bug in instruction retranslation Mike Pavone <pavone@retrodev.com> parents: 262 diff changeset	3099 if (native_next && ((native_next == orig_start + orig_size) \|\| (orig_size - (native_end - dst)) > 5)) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	3100 remove_deferred_until(&opts->gen.deferred, orig_deferred);
627 c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses Michael Pavone <pavone@retrodev.com> parents: 626 diff changeset	3101 native_end = translate_z80inst(&instbuf, orig_start, context, address, 0);
266 376df762ddf5 Fix some more retranslation bugs in the Z80 core Mike Pavone <pavone@retrodev.com> parents: 264 diff changeset	3102 if (native_next == orig_start + orig_size && (native_next-native_end) < 2) {
264 8fd6652e56f8 Fix a crash bug in instruction retranslation Mike Pavone <pavone@retrodev.com> parents: 262 diff changeset	3103 while (native_end < orig_start + orig_size) {
8fd6652e56f8 Fix a crash bug in instruction retranslation Mike Pavone <pavone@retrodev.com> parents: 262 diff changeset	3104 *(native_end++) = 0x90; //NOP
8fd6652e56f8 Fix a crash bug in instruction retranslation Mike Pavone <pavone@retrodev.com> parents: 262 diff changeset	3105 }
8fd6652e56f8 Fix a crash bug in instruction retranslation Mike Pavone <pavone@retrodev.com> parents: 262 diff changeset	3106 } else {
8fd6652e56f8 Fix a crash bug in instruction retranslation Mike Pavone <pavone@retrodev.com> parents: 262 diff changeset	3107 jmp(native_end, native_next);
8fd6652e56f8 Fix a crash bug in instruction retranslation Mike Pavone <pavone@retrodev.com> parents: 262 diff changeset	3108 }
266 376df762ddf5 Fix some more retranslation bugs in the Z80 core Mike Pavone <pavone@retrodev.com> parents: 264 diff changeset	3109 z80_handle_deferred(context);
264 8fd6652e56f8 Fix a crash bug in instruction retranslation Mike Pavone <pavone@retrodev.com> parents: 262 diff changeset	3110 return orig_start;
252 63b9a500a00b Implement retranslating code when written to. Possibly broken, need to fix some other bugs before a proper test. Mike Pavone <pavone@retrodev.com> parents: 250 diff changeset	3111 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	3112 }*/
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	3113 z80_map_native_address(context, address, start, after-inst, ZMAX_NATIVE_SIZE);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	3114 code_info tmp_code = {orig_start, orig_start + 16};
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	3115 jmp(&tmp_code, start);
597 8d6ae5b3b87b Update code->cur before calling z80_get_address_trans in z80_retranslate_inst to avoid any newly translated instructions from being placed in the "buffer zone". Save the current value of the code_info struct for placing the final jmp instruction in the correct place Michael Pavone <pavone@retrodev.com> parents: 594 diff changeset	3116 tmp_code = *code;
8d6ae5b3b87b Update code->cur before calling z80_get_address_trans in z80_retranslate_inst to avoid any newly translated instructions from being placed in the "buffer zone". Save the current value of the code_info struct for placing the final jmp instruction in the correct place Michael Pavone <pavone@retrodev.com> parents: 594 diff changeset	3117 code->cur = start + ZMAX_NATIVE_SIZE;
283 61f5d88ea01a Implement RETI and RETN (untested). Cleanup tests for "terminal" instructions. Mike Pavone <pavone@retrodev.com> parents: 282 diff changeset	3118 if (!z80_is_terminal(&instbuf)) {
597 8d6ae5b3b87b Update code->cur before calling z80_get_address_trans in z80_retranslate_inst to avoid any newly translated instructions from being placed in the "buffer zone". Save the current value of the code_info struct for placing the final jmp instruction in the correct place Michael Pavone <pavone@retrodev.com> parents: 594 diff changeset	3119 jmp(&tmp_code, z80_get_native_address_trans(context, address + after-inst));
264 8fd6652e56f8 Fix a crash bug in instruction retranslation Mike Pavone <pavone@retrodev.com> parents: 262 diff changeset	3120 }
266 376df762ddf5 Fix some more retranslation bugs in the Z80 core Mike Pavone <pavone@retrodev.com> parents: 264 diff changeset	3121 z80_handle_deferred(context);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	3122 return start;
252 63b9a500a00b Implement retranslating code when written to. Possibly broken, need to fix some other bugs before a proper test. Mike Pavone <pavone@retrodev.com> parents: 250 diff changeset	3123 } else {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	3124 code_info tmp_code = *code;
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	3125 code->cur = orig_start;
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	3126 code->last = orig_start + ZMAX_NATIVE_SIZE;
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	3127 translate_z80inst(&instbuf, context, address, 0);
601 f0061e3d2ad9 Fix a few bugs introduced in the Z80 core from the adjustments to fit with the code gen refactor Michael Pavone <pavone@retrodev.com> parents: 598 diff changeset	3128 code_info tmp2 = *code;
f0061e3d2ad9 Fix a few bugs introduced in the Z80 core from the adjustments to fit with the code gen refactor Michael Pavone <pavone@retrodev.com> parents: 598 diff changeset	3129 *code = tmp_code;
283 61f5d88ea01a Implement RETI and RETN (untested). Cleanup tests for "terminal" instructions. Mike Pavone <pavone@retrodev.com> parents: 282 diff changeset	3130 if (!z80_is_terminal(&instbuf)) {
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	3131
601 f0061e3d2ad9 Fix a few bugs introduced in the Z80 core from the adjustments to fit with the code gen refactor Michael Pavone <pavone@retrodev.com> parents: 598 diff changeset	3132 jmp(&tmp2, z80_get_native_address_trans(context, address + after-inst));
252 63b9a500a00b Implement retranslating code when written to. Possibly broken, need to fix some other bugs before a proper test. Mike Pavone <pavone@retrodev.com> parents: 250 diff changeset	3133 }
266 376df762ddf5 Fix some more retranslation bugs in the Z80 core Mike Pavone <pavone@retrodev.com> parents: 264 diff changeset	3134 z80_handle_deferred(context);
252 63b9a500a00b Implement retranslating code when written to. Possibly broken, need to fix some other bugs before a proper test. Mike Pavone <pavone@retrodev.com> parents: 250 diff changeset	3135 return orig_start;
63b9a500a00b Implement retranslating code when written to. Possibly broken, need to fix some other bugs before a proper test. Mike Pavone <pavone@retrodev.com> parents: 250 diff changeset	3136 }
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	3137 }
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	3138
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	3139 void translate_z80_stream(z80_context * context, uint32_t address)
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	3140 {
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	3141 char disbuf[80];
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	3142 if (z80_get_native_address(context, address)) {
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	3143 return;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	3144 }
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3145 z80_options * opts = context->options;
505 b7b7a1cab44a The local clone on my laptop got messed up and some changes had not been pushed. This commit represents the status of the working copy from that clone. It unfortunately contains some changes that I did not intend to commit yet, but this seems like the best option at the moment. Michael Pavone <pavone@retrodev.com> parents: 467 diff changeset	3146 uint32_t start_address = address;
627 c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses Michael Pavone <pavone@retrodev.com> parents: 626 diff changeset	3147
653 a18e3923481e Remove some of the hard coded assumptions about the memory map from the CPU cores Michael Pavone <pavone@retrodev.com> parents: 652 diff changeset	3148 do
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	3149 {
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	3150 z80inst inst;
268 6c2d7e003a55 Sync Z80 on writes to busreq/reset ports. NULL out extra_pc on z80 reset Mike Pavone <pavone@retrodev.com> parents: 267 diff changeset	3151 dprintf("translating Z80 code at address %X\n", address);
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	3152 do {
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	3153 uint8_t * existing = z80_get_native_address(context, address);
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	3154 if (existing) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	3155 jmp(&opts->gen.code, existing);
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	3156 break;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	3157 }
653 a18e3923481e Remove some of the hard coded assumptions about the memory map from the CPU cores Michael Pavone <pavone@retrodev.com> parents: 652 diff changeset	3158 uint8_t * encoded, *next;
a18e3923481e Remove some of the hard coded assumptions about the memory map from the CPU cores Michael Pavone <pavone@retrodev.com> parents: 652 diff changeset	3159 encoded = get_native_pointer(address, (void **)context->mem_pointers, &opts->gen);
a18e3923481e Remove some of the hard coded assumptions about the memory map from the CPU cores Michael Pavone <pavone@retrodev.com> parents: 652 diff changeset	3160 if (!encoded) {
a18e3923481e Remove some of the hard coded assumptions about the memory map from the CPU cores Michael Pavone <pavone@retrodev.com> parents: 652 diff changeset	3161 code_info stub = z80_make_interp_stub(context, address);
a18e3923481e Remove some of the hard coded assumptions about the memory map from the CPU cores Michael Pavone <pavone@retrodev.com> parents: 652 diff changeset	3162 z80_map_native_address(context, address, stub.cur, 1, stub.last - stub.cur);
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	3163 break;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	3164 }
601 f0061e3d2ad9 Fix a few bugs introduced in the Z80 core from the adjustments to fit with the code gen refactor Michael Pavone <pavone@retrodev.com> parents: 598 diff changeset	3165 //make sure prologue is in a contiguous chunk of code
f0061e3d2ad9 Fix a few bugs introduced in the Z80 core from the adjustments to fit with the code gen refactor Michael Pavone <pavone@retrodev.com> parents: 598 diff changeset	3166 check_code_prologue(&opts->gen.code);
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	3167 next = z80_decode(encoded, &inst);
268 6c2d7e003a55 Sync Z80 on writes to busreq/reset ports. NULL out extra_pc on z80 reset Mike Pavone <pavone@retrodev.com> parents: 267 diff changeset	3168 #ifdef DO_DEBUG_PRINT
314 54c0e5f22198 Show absolute addresses for JR, JRCC and DJNZ in Z80 disassembler Mike Pavone <pavone@retrodev.com> parents: 313 diff changeset	3169 z80_disasm(&inst, disbuf, address);
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	3170 if (inst.op == Z80_NOP) {
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	3171 printf("%X\t%s(%d)\n", address, disbuf, inst.immed);
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	3172 } else {
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	3173 printf("%X\t%s\n", address, disbuf);
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	3174 }
268 6c2d7e003a55 Sync Z80 on writes to busreq/reset ports. NULL out extra_pc on z80 reset Mike Pavone <pavone@retrodev.com> parents: 267 diff changeset	3175 #endif
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	3176 code_ptr start = opts->gen.code.cur;
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	3177 translate_z80inst(&inst, context, address, 0);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	3178 z80_map_native_address(context, address, start, next-encoded, opts->gen.code.cur - start);
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	3179 address += next-encoded;
255 572b935dd030 Properly handle wrapping around to 0 in translate_z80_stream Mike Pavone <pavone@retrodev.com> parents: 254 diff changeset	3180 address &= 0xFFFF;
283 61f5d88ea01a Implement RETI and RETN (untested). Cleanup tests for "terminal" instructions. Mike Pavone <pavone@retrodev.com> parents: 282 diff changeset	3181 } while (!z80_is_terminal(&inst));
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	3182 process_deferred(&opts->gen.deferred, context, (native_addr_func)z80_get_native_address);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	3183 if (opts->gen.deferred) {
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	3184 address = opts->gen.deferred->address;
268 6c2d7e003a55 Sync Z80 on writes to busreq/reset ports. NULL out extra_pc on z80 reset Mike Pavone <pavone@retrodev.com> parents: 267 diff changeset	3185 dprintf("defferred address: %X\n", address);
792 724bbec47f86 Use a new fatal_error function instead of calling fprintf and exit for fatal errors. This new function more gracefully handles the case in which BlastEm was not started from a terminal or disconnected from ther terminal (Windows). Michael Pavone <pavone@retrodev.com> parents: 755 diff changeset	3186 }
653 a18e3923481e Remove some of the hard coded assumptions about the memory map from the CPU cores Michael Pavone <pavone@retrodev.com> parents: 652 diff changeset	3187 } while (opts->gen.deferred);
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	3188 }
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	3189
1116 fe8c79f82c22 More cleanup in preparation for SMS/Mark III support Michael Pavone <pavone@retrodev.com> parents: 1110 diff changeset	3190 void init_z80_opts(z80_options * options, memmap_chunk const * chunks, uint32_t num_chunks, memmap_chunk const * io_chunks, uint32_t num_io_chunks, uint32_t clock_divider, uint32_t io_address_mask)
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	3191 {
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3192 memset(options, 0, sizeof(*options));
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3193
653 a18e3923481e Remove some of the hard coded assumptions about the memory map from the CPU cores Michael Pavone <pavone@retrodev.com> parents: 652 diff changeset	3194 options->gen.memmap = chunks;
a18e3923481e Remove some of the hard coded assumptions about the memory map from the CPU cores Michael Pavone <pavone@retrodev.com> parents: 652 diff changeset	3195 options->gen.memmap_chunks = num_chunks;
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3196 options->gen.address_size = SZ_W;
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3197 options->gen.address_mask = 0xFFFF;
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3198 options->gen.max_address = 0x10000;
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3199 options->gen.bus_cycles = 3;
667 30ccf56842d6 All cycle counters are now based off the master clock. This seems to have messed up Z80 interrupt timing (music in Sonic 2 is too slow for instance), but things are generally working Michael Pavone <pavone@retrodev.com> parents: 666 diff changeset	3200 options->gen.clock_divider = clock_divider;
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3201 options->gen.mem_ptr_off = offsetof(z80_context, mem_pointers);
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3202 options->gen.ram_flags_off = offsetof(z80_context, ram_code_flags);
620 9d6fed6501ba Fix handling of code writes for Z80 core. This seems to get things close to being back to where they were before the big refactor that broke the Z80 core. Some problems remain. Notably the sound driver in Sonic 2 is still quite broken. Michael Pavone <pavone@retrodev.com> parents: 601 diff changeset	3203 options->gen.ram_flags_shift = 7;
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3204
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	3205 options->flags = 0;
666 b68039895627 In theory, the Z80 core should work on 32-bit builds now; however, I suspect there is some code that cannot deal with most of the Z80 registers not having a native register so more work will be needed Michael Pavone <pavone@retrodev.com> parents: 665 diff changeset	3206 #ifdef X86_64
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	3207 options->regs[Z80_B] = BH;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	3208 options->regs[Z80_C] = RBX;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	3209 options->regs[Z80_D] = CH;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	3210 options->regs[Z80_E] = RCX;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	3211 options->regs[Z80_H] = AH;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	3212 options->regs[Z80_L] = RAX;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	3213 options->regs[Z80_IXH] = DH;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	3214 options->regs[Z80_IXL] = RDX;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	3215 options->regs[Z80_IYH] = -1;
239 a5bea9711a46 Implement BIT and DJNZ (tested). Fix register mapping for IYL. Mike Pavone <pavone@retrodev.com> parents: 238 diff changeset	3216 options->regs[Z80_IYL] = R8;
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	3217 options->regs[Z80_I] = -1;
1047 6b07af1515b5 Change cycle tracking code for Z80 core to only use a single register. Store low 7 bits of R in a reg and increment it appropriately. Michael Pavone <pavone@retrodev.com> parents: 1046 diff changeset	3218 options->regs[Z80_R] = RDI;
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	3219 options->regs[Z80_A] = R10;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	3220 options->regs[Z80_BC] = RBX;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	3221 options->regs[Z80_DE] = RCX;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	3222 options->regs[Z80_HL] = RAX;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	3223 options->regs[Z80_SP] = R9;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	3224 options->regs[Z80_AF] = -1;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	3225 options->regs[Z80_IX] = RDX;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	3226 options->regs[Z80_IY] = R8;
667 30ccf56842d6 All cycle counters are now based off the master clock. This seems to have messed up Z80 interrupt timing (music in Sonic 2 is too slow for instance), but things are generally working Michael Pavone <pavone@retrodev.com> parents: 666 diff changeset	3227
666 b68039895627 In theory, the Z80 core should work on 32-bit builds now; however, I suspect there is some code that cannot deal with most of the Z80 registers not having a native register so more work will be needed Michael Pavone <pavone@retrodev.com> parents: 665 diff changeset	3228 options->gen.scratch1 = R13;
b68039895627 In theory, the Z80 core should work on 32-bit builds now; however, I suspect there is some code that cannot deal with most of the Z80 registers not having a native register so more work will be needed Michael Pavone <pavone@retrodev.com> parents: 665 diff changeset	3229 options->gen.scratch2 = R14;
b68039895627 In theory, the Z80 core should work on 32-bit builds now; however, I suspect there is some code that cannot deal with most of the Z80 registers not having a native register so more work will be needed Michael Pavone <pavone@retrodev.com> parents: 665 diff changeset	3230 #else
b68039895627 In theory, the Z80 core should work on 32-bit builds now; however, I suspect there is some code that cannot deal with most of the Z80 registers not having a native register so more work will be needed Michael Pavone <pavone@retrodev.com> parents: 665 diff changeset	3231 memset(options->regs, -1, sizeof(options->regs));
b68039895627 In theory, the Z80 core should work on 32-bit builds now; however, I suspect there is some code that cannot deal with most of the Z80 registers not having a native register so more work will be needed Michael Pavone <pavone@retrodev.com> parents: 665 diff changeset	3232 options->regs[Z80_A] = RAX;
1047 6b07af1515b5 Change cycle tracking code for Z80 core to only use a single register. Store low 7 bits of R in a reg and increment it appropriately. Michael Pavone <pavone@retrodev.com> parents: 1046 diff changeset	3233 options->regs[Z80_R] = AH;
1048 05ecef6c73b6 More efficient register usage in 32-bit mode Michael Pavone <pavone@retrodev.com> parents: 1047 diff changeset	3234 options->regs[Z80_H] = BH;
05ecef6c73b6 More efficient register usage in 32-bit mode Michael Pavone <pavone@retrodev.com> parents: 1047 diff changeset	3235 options->regs[Z80_L] = RBX;
05ecef6c73b6 More efficient register usage in 32-bit mode Michael Pavone <pavone@retrodev.com> parents: 1047 diff changeset	3236 options->regs[Z80_HL] = RBX;
05ecef6c73b6 More efficient register usage in 32-bit mode Michael Pavone <pavone@retrodev.com> parents: 1047 diff changeset	3237
05ecef6c73b6 More efficient register usage in 32-bit mode Michael Pavone <pavone@retrodev.com> parents: 1047 diff changeset	3238 options->regs[Z80_SP] = RDI;
667 30ccf56842d6 All cycle counters are now based off the master clock. This seems to have messed up Z80 interrupt timing (music in Sonic 2 is too slow for instance), but things are generally working Michael Pavone <pavone@retrodev.com> parents: 666 diff changeset	3239
666 b68039895627 In theory, the Z80 core should work on 32-bit builds now; however, I suspect there is some code that cannot deal with most of the Z80 registers not having a native register so more work will be needed Michael Pavone <pavone@retrodev.com> parents: 665 diff changeset	3240 options->gen.scratch1 = RCX;
b68039895627 In theory, the Z80 core should work on 32-bit builds now; however, I suspect there is some code that cannot deal with most of the Z80 registers not having a native register so more work will be needed Michael Pavone <pavone@retrodev.com> parents: 665 diff changeset	3241 options->gen.scratch2 = RDX;
b68039895627 In theory, the Z80 core should work on 32-bit builds now; however, I suspect there is some code that cannot deal with most of the Z80 registers not having a native register so more work will be needed Michael Pavone <pavone@retrodev.com> parents: 665 diff changeset	3242 #endif
667 30ccf56842d6 All cycle counters are now based off the master clock. This seems to have messed up Z80 interrupt timing (music in Sonic 2 is too slow for instance), but things are generally working Michael Pavone <pavone@retrodev.com> parents: 666 diff changeset	3243
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3244 options->gen.context_reg = RSI;
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3245 options->gen.cycles = RBP;
1047 6b07af1515b5 Change cycle tracking code for Z80 core to only use a single register. Store low 7 bits of R in a reg and increment it appropriately. Michael Pavone <pavone@retrodev.com> parents: 1046 diff changeset	3246 options->gen.limit = -1;
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3247
1130 8f14767661fa Remove memory map assumptions from Z80 core and move a little bit of logic to the generic backend.c so it can be shared between CPU cores Michael Pavone <pavone@retrodev.com> parents: 1117 diff changeset	3248 options->gen.native_code_map = malloc(sizeof(native_map_slot) * NATIVE_MAP_CHUNKS);
8f14767661fa Remove memory map assumptions from Z80 core and move a little bit of logic to the generic backend.c so it can be shared between CPU cores Michael Pavone <pavone@retrodev.com> parents: 1117 diff changeset	3249 memset(options->gen.native_code_map, 0, sizeof(native_map_slot) * NATIVE_MAP_CHUNKS);
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3250 options->gen.deferred = NULL;
1130 8f14767661fa Remove memory map assumptions from Z80 core and move a little bit of logic to the generic backend.c so it can be shared between CPU cores Michael Pavone <pavone@retrodev.com> parents: 1117 diff changeset	3251 uint32_t inst_size_size = sizeof(uint8_t ) ram_size(&options->gen) / 1024;
8f14767661fa Remove memory map assumptions from Z80 core and move a little bit of logic to the generic backend.c so it can be shared between CPU cores Michael Pavone <pavone@retrodev.com> parents: 1117 diff changeset	3252 options->gen.ram_inst_sizes = malloc(inst_size_size);
8f14767661fa Remove memory map assumptions from Z80 core and move a little bit of logic to the generic backend.c so it can be shared between CPU cores Michael Pavone <pavone@retrodev.com> parents: 1117 diff changeset	3253 memset(options->gen.ram_inst_sizes, 0, inst_size_size);
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3254
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3255 code_info *code = &options->gen.code;
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3256 init_code_info(code);
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3257
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3258 options->save_context_scratch = code->cur;
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3259 mov_rrdisp(code, options->gen.scratch1, options->gen.context_reg, offsetof(z80_context, scratch1), SZ_W);
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3260 mov_rrdisp(code, options->gen.scratch2, options->gen.context_reg, offsetof(z80_context, scratch2), SZ_W);
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3261
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3262 options->gen.save_context = code->cur;
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3263 for (int i = 0; i <= Z80_A; i++)
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3264 {
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3265 int reg;
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3266 uint8_t size;
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3267 if (i < Z80_I) {
594 086de8692932 Add in missing generated Z80 helper functions. Fix a small bug in Z80_HALT. Fix generation of save and load context for Z80 Michael Pavone <pavone@retrodev.com> parents: 593 diff changeset	3268 reg = i /2 + Z80_BC + (i > Z80_H ? 2 : 0);
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3269 size = SZ_W;
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3270 } else {
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3271 reg = i;
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3272 size = SZ_B;
1047 6b07af1515b5 Change cycle tracking code for Z80 core to only use a single register. Store low 7 bits of R in a reg and increment it appropriately. Michael Pavone <pavone@retrodev.com> parents: 1046 diff changeset	3273 }
6b07af1515b5 Change cycle tracking code for Z80 core to only use a single register. Store low 7 bits of R in a reg and increment it appropriately. Michael Pavone <pavone@retrodev.com> parents: 1046 diff changeset	3274 if (reg == Z80_R) {
6b07af1515b5 Change cycle tracking code for Z80 core to only use a single register. Store low 7 bits of R in a reg and increment it appropriately. Michael Pavone <pavone@retrodev.com> parents: 1046 diff changeset	3275 and_ir(code, 0x7F, options->regs[Z80_R], SZ_B);
6b07af1515b5 Change cycle tracking code for Z80 core to only use a single register. Store low 7 bits of R in a reg and increment it appropriately. Michael Pavone <pavone@retrodev.com> parents: 1046 diff changeset	3276 or_rrdisp(code, options->regs[Z80_R], options->gen.context_reg, zr_off(Z80_R), SZ_B);
6b07af1515b5 Change cycle tracking code for Z80 core to only use a single register. Store low 7 bits of R in a reg and increment it appropriately. Michael Pavone <pavone@retrodev.com> parents: 1046 diff changeset	3277 } else if (options->regs[reg] >= 0) {
6b07af1515b5 Change cycle tracking code for Z80 core to only use a single register. Store low 7 bits of R in a reg and increment it appropriately. Michael Pavone <pavone@retrodev.com> parents: 1046 diff changeset	3278 mov_rrdisp(code, options->regs[reg], options->gen.context_reg, zr_off(reg), size);
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3279 }
594 086de8692932 Add in missing generated Z80 helper functions. Fix a small bug in Z80_HALT. Fix generation of save and load context for Z80 Michael Pavone <pavone@retrodev.com> parents: 593 diff changeset	3280 if (size == SZ_W) {
086de8692932 Add in missing generated Z80 helper functions. Fix a small bug in Z80_HALT. Fix generation of save and load context for Z80 Michael Pavone <pavone@retrodev.com> parents: 593 diff changeset	3281 i++;
086de8692932 Add in missing generated Z80 helper functions. Fix a small bug in Z80_HALT. Fix generation of save and load context for Z80 Michael Pavone <pavone@retrodev.com> parents: 593 diff changeset	3282 }
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3283 }
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3284 if (options->regs[Z80_SP] >= 0) {
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3285 mov_rrdisp(code, options->regs[Z80_SP], options->gen.context_reg, offsetof(z80_context, sp), SZ_W);
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3286 }
1047 6b07af1515b5 Change cycle tracking code for Z80 core to only use a single register. Store low 7 bits of R in a reg and increment it appropriately. Michael Pavone <pavone@retrodev.com> parents: 1046 diff changeset	3287 neg_r(code, options->gen.cycles, SZ_D);
6b07af1515b5 Change cycle tracking code for Z80 core to only use a single register. Store low 7 bits of R in a reg and increment it appropriately. Michael Pavone <pavone@retrodev.com> parents: 1046 diff changeset	3288 add_rdispr(code, options->gen.context_reg, offsetof(z80_context, target_cycle), options->gen.cycles, SZ_D);
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3289 mov_rrdisp(code, options->gen.cycles, options->gen.context_reg, offsetof(z80_context, current_cycle), SZ_D);
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	3290 retn(code);
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3291
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3292 options->load_context_scratch = code->cur;
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3293 mov_rdispr(code, options->gen.context_reg, offsetof(z80_context, scratch1), options->gen.scratch1, SZ_W);
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3294 mov_rdispr(code, options->gen.context_reg, offsetof(z80_context, scratch2), options->gen.scratch2, SZ_W);
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3295 options->gen.load_context = code->cur;
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3296 for (int i = 0; i <= Z80_A; i++)
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3297 {
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3298 int reg;
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3299 uint8_t size;
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3300 if (i < Z80_I) {
594 086de8692932 Add in missing generated Z80 helper functions. Fix a small bug in Z80_HALT. Fix generation of save and load context for Z80 Michael Pavone <pavone@retrodev.com> parents: 593 diff changeset	3301 reg = i /2 + Z80_BC + (i > Z80_H ? 2 : 0);
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3302 size = SZ_W;
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3303 } else {
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3304 reg = i;
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3305 size = SZ_B;
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3306 }
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3307 if (options->regs[reg] >= 0) {
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3308 mov_rdispr(code, options->gen.context_reg, offsetof(z80_context, regs) + i, options->regs[reg], size);
1225 197cb199a35b Fix loading of the R register from the in memory context Michael Pavone <pavone@retrodev.com> parents: 1224 diff changeset	3309 if (reg == Z80_R) {
197cb199a35b Fix loading of the R register from the in memory context Michael Pavone <pavone@retrodev.com> parents: 1224 diff changeset	3310 and_irdisp(code, 0x80, options->gen.context_reg, zr_off(reg), SZ_B);
197cb199a35b Fix loading of the R register from the in memory context Michael Pavone <pavone@retrodev.com> parents: 1224 diff changeset	3311 }
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3312 }
594 086de8692932 Add in missing generated Z80 helper functions. Fix a small bug in Z80_HALT. Fix generation of save and load context for Z80 Michael Pavone <pavone@retrodev.com> parents: 593 diff changeset	3313 if (size == SZ_W) {
086de8692932 Add in missing generated Z80 helper functions. Fix a small bug in Z80_HALT. Fix generation of save and load context for Z80 Michael Pavone <pavone@retrodev.com> parents: 593 diff changeset	3314 i++;
086de8692932 Add in missing generated Z80 helper functions. Fix a small bug in Z80_HALT. Fix generation of save and load context for Z80 Michael Pavone <pavone@retrodev.com> parents: 593 diff changeset	3315 }
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3316 }
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3317 if (options->regs[Z80_SP] >= 0) {
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3318 mov_rdispr(code, options->gen.context_reg, offsetof(z80_context, sp), options->regs[Z80_SP], SZ_W);
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3319 }
1047 6b07af1515b5 Change cycle tracking code for Z80 core to only use a single register. Store low 7 bits of R in a reg and increment it appropriately. Michael Pavone <pavone@retrodev.com> parents: 1046 diff changeset	3320 mov_rdispr(code, options->gen.context_reg, offsetof(z80_context, target_cycle), options->gen.cycles, SZ_D);
6b07af1515b5 Change cycle tracking code for Z80 core to only use a single register. Store low 7 bits of R in a reg and increment it appropriately. Michael Pavone <pavone@retrodev.com> parents: 1046 diff changeset	3321 sub_rdispr(code, options->gen.context_reg, offsetof(z80_context, current_cycle), options->gen.cycles, SZ_D);
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	3322 retn(code);
5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	3323
5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	3324 options->native_addr = code->cur;
5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	3325 call(code, options->gen.save_context);
5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	3326 push_r(code, options->gen.context_reg);
657 92ce5ea5ffc9 Use call_args and call_args_abi in Z80 core Michael Pavone <pavone@retrodev.com> parents: 653 diff changeset	3327 movzx_rr(code, options->gen.scratch1, options->gen.scratch1, SZ_W, SZ_D);
92ce5ea5ffc9 Use call_args and call_args_abi in Z80 core Michael Pavone <pavone@retrodev.com> parents: 653 diff changeset	3328 call_args(code, (code_ptr)z80_get_native_address_trans, 2, options->gen.context_reg, options->gen.scratch1);
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	3329 mov_rr(code, RAX, options->gen.scratch1, SZ_PTR);
5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	3330 pop_r(code, options->gen.context_reg);
5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	3331 call(code, options->gen.load_context);
5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	3332 retn(code);
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3333
895 13388ab6d78a Get Z80 core sort of working again post alignment change Michael Pavone <pavone@retrodev.com> parents: 894 diff changeset	3334 uint32_t tmp_stack_off;
13388ab6d78a Get Z80 core sort of working again post alignment change Michael Pavone <pavone@retrodev.com> parents: 894 diff changeset	3335
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3336 options->gen.handle_cycle_limit = code->cur;
900 30efd12b1be1 Replace some hard-coded instruction length assumptions with a calculation so they will work properly on both 32-bit and 64-bit hosts Michael Pavone <pavone@retrodev.com> parents: 899 diff changeset	3337 //calculate call/stack adjust size
30efd12b1be1 Replace some hard-coded instruction length assumptions with a calculation so they will work properly on both 32-bit and 64-bit hosts Michael Pavone <pavone@retrodev.com> parents: 899 diff changeset	3338 sub_ir(code, 16-sizeof(void *), RSP, SZ_PTR);
30efd12b1be1 Replace some hard-coded instruction length assumptions with a calculation so they will work properly on both 32-bit and 64-bit hosts Michael Pavone <pavone@retrodev.com> parents: 899 diff changeset	3339 call_noalign(code, options->gen.handle_cycle_limit);
30efd12b1be1 Replace some hard-coded instruction length assumptions with a calculation so they will work properly on both 32-bit and 64-bit hosts Michael Pavone <pavone@retrodev.com> parents: 899 diff changeset	3340 uint32_t call_adjust_size = code->cur - options->gen.handle_cycle_limit;
30efd12b1be1 Replace some hard-coded instruction length assumptions with a calculation so they will work properly on both 32-bit and 64-bit hosts Michael Pavone <pavone@retrodev.com> parents: 899 diff changeset	3341 code->cur = options->gen.handle_cycle_limit;
30efd12b1be1 Replace some hard-coded instruction length assumptions with a calculation so they will work properly on both 32-bit and 64-bit hosts Michael Pavone <pavone@retrodev.com> parents: 899 diff changeset	3342
1047 6b07af1515b5 Change cycle tracking code for Z80 core to only use a single register. Store low 7 bits of R in a reg and increment it appropriately. Michael Pavone <pavone@retrodev.com> parents: 1046 diff changeset	3343 neg_r(code, options->gen.cycles, SZ_D);
6b07af1515b5 Change cycle tracking code for Z80 core to only use a single register. Store low 7 bits of R in a reg and increment it appropriately. Michael Pavone <pavone@retrodev.com> parents: 1046 diff changeset	3344 add_rdispr(code, options->gen.context_reg, offsetof(z80_context, target_cycle), options->gen.cycles, SZ_D);
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3345 cmp_rdispr(code, options->gen.context_reg, offsetof(z80_context, sync_cycle), options->gen.cycles, SZ_D);
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3346 code_ptr no_sync = code->cur+1;
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3347 jcc(code, CC_B, no_sync);
1047 6b07af1515b5 Change cycle tracking code for Z80 core to only use a single register. Store low 7 bits of R in a reg and increment it appropriately. Michael Pavone <pavone@retrodev.com> parents: 1046 diff changeset	3348 neg_r(code, options->gen.cycles, SZ_D);
6b07af1515b5 Change cycle tracking code for Z80 core to only use a single register. Store low 7 bits of R in a reg and increment it appropriately. Michael Pavone <pavone@retrodev.com> parents: 1046 diff changeset	3349 add_rdispr(code, options->gen.context_reg, offsetof(z80_context, target_cycle), options->gen.cycles, SZ_D);
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3350 mov_irdisp(code, 0, options->gen.context_reg, offsetof(z80_context, pc), SZ_W);
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3351 call(code, options->save_context_scratch);
895 13388ab6d78a Get Z80 core sort of working again post alignment change Michael Pavone <pavone@retrodev.com> parents: 894 diff changeset	3352 tmp_stack_off = code->stack_off;
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3353 pop_r(code, RAX); //return address in read/write func
895 13388ab6d78a Get Z80 core sort of working again post alignment change Michael Pavone <pavone@retrodev.com> parents: 894 diff changeset	3354 add_ir(code, 16-sizeof(void *), RSP, SZ_PTR);
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3355 pop_r(code, RBX); //return address in translated code
895 13388ab6d78a Get Z80 core sort of working again post alignment change Michael Pavone <pavone@retrodev.com> parents: 894 diff changeset	3356 add_ir(code, 16-sizeof(void *), RSP, SZ_PTR);
900 30efd12b1be1 Replace some hard-coded instruction length assumptions with a calculation so they will work properly on both 32-bit and 64-bit hosts Michael Pavone <pavone@retrodev.com> parents: 899 diff changeset	3357 sub_ir(code, call_adjust_size, RAX, SZ_PTR); //adjust return address to point to the call + stack adjust that got us here
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3358 mov_rrdisp(code, RBX, options->gen.context_reg, offsetof(z80_context, extra_pc), SZ_PTR);
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3359 mov_rrind(code, RAX, options->gen.context_reg, SZ_PTR);
665 d0943769353b Added functions to gen_x86 for saving and restoring callee save registers to better abstract over ABI differences between x86 and x86-64 Michael Pavone <pavone@retrodev.com> parents: 664 diff changeset	3360 restore_callee_save_regs(code);
1047 6b07af1515b5 Change cycle tracking code for Z80 core to only use a single register. Store low 7 bits of R in a reg and increment it appropriately. Michael Pavone <pavone@retrodev.com> parents: 1046 diff changeset	3361 //return to caller of z80_run
6b07af1515b5 Change cycle tracking code for Z80 core to only use a single register. Store low 7 bits of R in a reg and increment it appropriately. Michael Pavone <pavone@retrodev.com> parents: 1046 diff changeset	3362 retn(code);
6b07af1515b5 Change cycle tracking code for Z80 core to only use a single register. Store low 7 bits of R in a reg and increment it appropriately. Michael Pavone <pavone@retrodev.com> parents: 1046 diff changeset	3363
598 faad1927d836 Fix an off-by-one error in a branch destination in the generation of handle_cycle_limit for the Z80 Michael Pavone <pavone@retrodev.com> parents: 597 diff changeset	3364 *no_sync = code->cur - (no_sync + 1);
1047 6b07af1515b5 Change cycle tracking code for Z80 core to only use a single register. Store low 7 bits of R in a reg and increment it appropriately. Michael Pavone <pavone@retrodev.com> parents: 1046 diff changeset	3365 neg_r(code, options->gen.cycles, SZ_D);
6b07af1515b5 Change cycle tracking code for Z80 core to only use a single register. Store low 7 bits of R in a reg and increment it appropriately. Michael Pavone <pavone@retrodev.com> parents: 1046 diff changeset	3366 add_rdispr(code, options->gen.context_reg, offsetof(z80_context, target_cycle), options->gen.cycles, SZ_D);
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3367 retn(code);
895 13388ab6d78a Get Z80 core sort of working again post alignment change Michael Pavone <pavone@retrodev.com> parents: 894 diff changeset	3368 code->stack_off = tmp_stack_off;
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	3369
594 086de8692932 Add in missing generated Z80 helper functions. Fix a small bug in Z80_HALT. Fix generation of save and load context for Z80 Michael Pavone <pavone@retrodev.com> parents: 593 diff changeset	3370 options->gen.handle_code_write = (code_ptr)z80_handle_code_write;
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3371
594 086de8692932 Add in missing generated Z80 helper functions. Fix a small bug in Z80_HALT. Fix generation of save and load context for Z80 Michael Pavone <pavone@retrodev.com> parents: 593 diff changeset	3372 options->read_8 = gen_mem_fun(&options->gen, chunks, num_chunks, READ_8, &options->read_8_noinc);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	3373 options->write_8 = gen_mem_fun(&options->gen, chunks, num_chunks, WRITE_8, &options->write_8_noinc);
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3374
895 13388ab6d78a Get Z80 core sort of working again post alignment change Michael Pavone <pavone@retrodev.com> parents: 894 diff changeset	3375 code_ptr skip_int = code->cur;
900 30efd12b1be1 Replace some hard-coded instruction length assumptions with a calculation so they will work properly on both 32-bit and 64-bit hosts Michael Pavone <pavone@retrodev.com> parents: 899 diff changeset	3376 //calculate adjust size
30efd12b1be1 Replace some hard-coded instruction length assumptions with a calculation so they will work properly on both 32-bit and 64-bit hosts Michael Pavone <pavone@retrodev.com> parents: 899 diff changeset	3377 add_ir(code, 16-sizeof(void *), RSP, SZ_PTR);
30efd12b1be1 Replace some hard-coded instruction length assumptions with a calculation so they will work properly on both 32-bit and 64-bit hosts Michael Pavone <pavone@retrodev.com> parents: 899 diff changeset	3378 uint32_t adjust_size = code->cur - skip_int;
30efd12b1be1 Replace some hard-coded instruction length assumptions with a calculation so they will work properly on both 32-bit and 64-bit hosts Michael Pavone <pavone@retrodev.com> parents: 899 diff changeset	3379 code->cur = skip_int;
30efd12b1be1 Replace some hard-coded instruction length assumptions with a calculation so they will work properly on both 32-bit and 64-bit hosts Michael Pavone <pavone@retrodev.com> parents: 899 diff changeset	3380
895 13388ab6d78a Get Z80 core sort of working again post alignment change Michael Pavone <pavone@retrodev.com> parents: 894 diff changeset	3381 cmp_rdispr(code, options->gen.context_reg, offsetof(z80_context, sync_cycle), options->gen.cycles, SZ_D);
13388ab6d78a Get Z80 core sort of working again post alignment change Michael Pavone <pavone@retrodev.com> parents: 894 diff changeset	3382 code_ptr skip_sync = code->cur + 1;
13388ab6d78a Get Z80 core sort of working again post alignment change Michael Pavone <pavone@retrodev.com> parents: 894 diff changeset	3383 jcc(code, CC_B, skip_sync);
1047 6b07af1515b5 Change cycle tracking code for Z80 core to only use a single register. Store low 7 bits of R in a reg and increment it appropriately. Michael Pavone <pavone@retrodev.com> parents: 1046 diff changeset	3384 neg_r(code, options->gen.cycles, SZ_D);
6b07af1515b5 Change cycle tracking code for Z80 core to only use a single register. Store low 7 bits of R in a reg and increment it appropriately. Michael Pavone <pavone@retrodev.com> parents: 1046 diff changeset	3385 add_rdispr(code, options->gen.context_reg, offsetof(z80_context, target_cycle), options->gen.cycles, SZ_D);
895 13388ab6d78a Get Z80 core sort of working again post alignment change Michael Pavone <pavone@retrodev.com> parents: 894 diff changeset	3386 //save PC
13388ab6d78a Get Z80 core sort of working again post alignment change Michael Pavone <pavone@retrodev.com> parents: 894 diff changeset	3387 mov_rrdisp(code, options->gen.scratch1, options->gen.context_reg, offsetof(z80_context, pc), SZ_D);
13388ab6d78a Get Z80 core sort of working again post alignment change Michael Pavone <pavone@retrodev.com> parents: 894 diff changeset	3388 options->do_sync = code->cur;
13388ab6d78a Get Z80 core sort of working again post alignment change Michael Pavone <pavone@retrodev.com> parents: 894 diff changeset	3389 call(code, options->gen.save_context);
13388ab6d78a Get Z80 core sort of working again post alignment change Michael Pavone <pavone@retrodev.com> parents: 894 diff changeset	3390 tmp_stack_off = code->stack_off;
13388ab6d78a Get Z80 core sort of working again post alignment change Michael Pavone <pavone@retrodev.com> parents: 894 diff changeset	3391 //pop return address off the stack and save for resume later
898 2f1157f00dc6 Z80 core is now slightly less broken Michael Pavone <pavone@retrodev.com> parents: 895 diff changeset	3392 //pop_rind(code, options->gen.context_reg);
2f1157f00dc6 Z80 core is now slightly less broken Michael Pavone <pavone@retrodev.com> parents: 895 diff changeset	3393 pop_r(code, RAX);
900 30efd12b1be1 Replace some hard-coded instruction length assumptions with a calculation so they will work properly on both 32-bit and 64-bit hosts Michael Pavone <pavone@retrodev.com> parents: 899 diff changeset	3394 add_ir(code, adjust_size, RAX, SZ_PTR);
895 13388ab6d78a Get Z80 core sort of working again post alignment change Michael Pavone <pavone@retrodev.com> parents: 894 diff changeset	3395 add_ir(code, 16-sizeof(void *), RSP, SZ_PTR);
898 2f1157f00dc6 Z80 core is now slightly less broken Michael Pavone <pavone@retrodev.com> parents: 895 diff changeset	3396 mov_rrind(code, RAX, options->gen.context_reg, SZ_PTR);
2f1157f00dc6 Z80 core is now slightly less broken Michael Pavone <pavone@retrodev.com> parents: 895 diff changeset	3397
895 13388ab6d78a Get Z80 core sort of working again post alignment change Michael Pavone <pavone@retrodev.com> parents: 894 diff changeset	3398 //restore callee saved registers
13388ab6d78a Get Z80 core sort of working again post alignment change Michael Pavone <pavone@retrodev.com> parents: 894 diff changeset	3399 restore_callee_save_regs(code);
13388ab6d78a Get Z80 core sort of working again post alignment change Michael Pavone <pavone@retrodev.com> parents: 894 diff changeset	3400 //return to caller of z80_run
1047 6b07af1515b5 Change cycle tracking code for Z80 core to only use a single register. Store low 7 bits of R in a reg and increment it appropriately. Michael Pavone <pavone@retrodev.com> parents: 1046 diff changeset	3401 retn(code);
895 13388ab6d78a Get Z80 core sort of working again post alignment change Michael Pavone <pavone@retrodev.com> parents: 894 diff changeset	3402 *skip_sync = code->cur - (skip_sync+1);
1047 6b07af1515b5 Change cycle tracking code for Z80 core to only use a single register. Store low 7 bits of R in a reg and increment it appropriately. Michael Pavone <pavone@retrodev.com> parents: 1046 diff changeset	3403 neg_r(code, options->gen.cycles, SZ_D);
6b07af1515b5 Change cycle tracking code for Z80 core to only use a single register. Store low 7 bits of R in a reg and increment it appropriately. Michael Pavone <pavone@retrodev.com> parents: 1046 diff changeset	3404 add_rdispr(code, options->gen.context_reg, offsetof(z80_context, target_cycle), options->gen.cycles, SZ_D);
895 13388ab6d78a Get Z80 core sort of working again post alignment change Michael Pavone <pavone@retrodev.com> parents: 894 diff changeset	3405 retn(code);
13388ab6d78a Get Z80 core sort of working again post alignment change Michael Pavone <pavone@retrodev.com> parents: 894 diff changeset	3406 code->stack_off = tmp_stack_off;
13388ab6d78a Get Z80 core sort of working again post alignment change Michael Pavone <pavone@retrodev.com> parents: 894 diff changeset	3407
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3408 options->gen.handle_cycle_limit_int = code->cur;
1047 6b07af1515b5 Change cycle tracking code for Z80 core to only use a single register. Store low 7 bits of R in a reg and increment it appropriately. Michael Pavone <pavone@retrodev.com> parents: 1046 diff changeset	3409 neg_r(code, options->gen.cycles, SZ_D);
6b07af1515b5 Change cycle tracking code for Z80 core to only use a single register. Store low 7 bits of R in a reg and increment it appropriately. Michael Pavone <pavone@retrodev.com> parents: 1046 diff changeset	3410 add_rdispr(code, options->gen.context_reg, offsetof(z80_context, target_cycle), options->gen.cycles, SZ_D);
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3411 cmp_rdispr(code, options->gen.context_reg, offsetof(z80_context, int_cycle), options->gen.cycles, SZ_D);
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3412 jcc(code, CC_B, skip_int);
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3413 //set limit to the cycle limit
1047 6b07af1515b5 Change cycle tracking code for Z80 core to only use a single register. Store low 7 bits of R in a reg and increment it appropriately. Michael Pavone <pavone@retrodev.com> parents: 1046 diff changeset	3414 mov_rdispr(code, options->gen.context_reg, offsetof(z80_context, sync_cycle), options->gen.scratch2, SZ_D);
6b07af1515b5 Change cycle tracking code for Z80 core to only use a single register. Store low 7 bits of R in a reg and increment it appropriately. Michael Pavone <pavone@retrodev.com> parents: 1046 diff changeset	3415 mov_rrdisp(code, options->gen.scratch2, options->gen.context_reg, offsetof(z80_context, target_cycle), SZ_D);
6b07af1515b5 Change cycle tracking code for Z80 core to only use a single register. Store low 7 bits of R in a reg and increment it appropriately. Michael Pavone <pavone@retrodev.com> parents: 1046 diff changeset	3416 neg_r(code, options->gen.cycles, SZ_D);
6b07af1515b5 Change cycle tracking code for Z80 core to only use a single register. Store low 7 bits of R in a reg and increment it appropriately. Michael Pavone <pavone@retrodev.com> parents: 1046 diff changeset	3417 add_rr(code, options->gen.scratch2, options->gen.cycles, SZ_D);
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3418 //disable interrupts
1376 70d88d9bfe13 Implemented Z80 NMI Michael Pavone <pavone@retrodev.com> parents: 1260 diff changeset	3419 cmp_irdisp(code, 0, options->gen.context_reg, offsetof(z80_context, int_is_nmi), SZ_B);
70d88d9bfe13 Implemented Z80 NMI Michael Pavone <pavone@retrodev.com> parents: 1260 diff changeset	3420 code_ptr is_nmi = code->cur + 1;
70d88d9bfe13 Implemented Z80 NMI Michael Pavone <pavone@retrodev.com> parents: 1260 diff changeset	3421 jcc(code, CC_NZ, is_nmi);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	3422 mov_irdisp(code, 0, options->gen.context_reg, offsetof(z80_context, iff1), SZ_B);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	3423 mov_irdisp(code, 0, options->gen.context_reg, offsetof(z80_context, iff2), SZ_B);
1376 70d88d9bfe13 Implemented Z80 NMI Michael Pavone <pavone@retrodev.com> parents: 1260 diff changeset	3424 code_ptr after_int_disable = code->cur + 1;
70d88d9bfe13 Implemented Z80 NMI Michael Pavone <pavone@retrodev.com> parents: 1260 diff changeset	3425 jmp(code, after_int_disable);
70d88d9bfe13 Implemented Z80 NMI Michael Pavone <pavone@retrodev.com> parents: 1260 diff changeset	3426 *is_nmi = code->cur - (is_nmi + 1);
70d88d9bfe13 Implemented Z80 NMI Michael Pavone <pavone@retrodev.com> parents: 1260 diff changeset	3427 mov_rdispr(code, options->gen.context_reg, offsetof(z80_context, iff1), options->gen.scratch2, SZ_B);
70d88d9bfe13 Implemented Z80 NMI Michael Pavone <pavone@retrodev.com> parents: 1260 diff changeset	3428 mov_irdisp(code, 0, options->gen.context_reg, offsetof(z80_context, iff1), SZ_B);
70d88d9bfe13 Implemented Z80 NMI Michael Pavone <pavone@retrodev.com> parents: 1260 diff changeset	3429 mov_rrdisp(code, options->gen.scratch2, options->gen.context_reg, offsetof(z80_context, iff2), SZ_B);
70d88d9bfe13 Implemented Z80 NMI Michael Pavone <pavone@retrodev.com> parents: 1260 diff changeset	3430 *after_int_disable = code->cur - (after_int_disable + 1);
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3431 cycles(&options->gen, 7);
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3432 //save return address (in scratch1) to Z80 stack
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3433 sub_ir(code, 2, options->regs[Z80_SP], SZ_W);
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3434 mov_rr(code, options->regs[Z80_SP], options->gen.scratch2, SZ_W);
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3435 //we need to do check_cycles and cycles outside of the write_8 call
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3436 //so that the stack has the correct depth if we need to return to C
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3437 //for a synchronization
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3438 check_cycles(&options->gen);
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3439 cycles(&options->gen, 3);
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3440 //save word to write before call to write_8_noinc
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3441 push_r(code, options->gen.scratch1);
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3442 call(code, options->write_8_noinc);
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3443 //restore word to write
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3444 pop_r(code, options->gen.scratch1);
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3445 //write high byte to SP+1
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3446 mov_rr(code, options->regs[Z80_SP], options->gen.scratch2, SZ_W);
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3447 add_ir(code, 1, options->gen.scratch2, SZ_W);
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3448 shr_ir(code, 8, options->gen.scratch1, SZ_W);
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3449 check_cycles(&options->gen);
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3450 cycles(&options->gen, 3);
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3451 call(code, options->write_8_noinc);
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3452 //dispose of return address as we'll be jumping somewhere else
895 13388ab6d78a Get Z80 core sort of working again post alignment change Michael Pavone <pavone@retrodev.com> parents: 894 diff changeset	3453 add_ir(code, 16, RSP, SZ_PTR);
1376 70d88d9bfe13 Implemented Z80 NMI Michael Pavone <pavone@retrodev.com> parents: 1260 diff changeset	3454 cmp_irdisp(code, 0, options->gen.context_reg, offsetof(z80_context, int_is_nmi), SZ_B);
70d88d9bfe13 Implemented Z80 NMI Michael Pavone <pavone@retrodev.com> parents: 1260 diff changeset	3455 is_nmi = code->cur + 1;
70d88d9bfe13 Implemented Z80 NMI Michael Pavone <pavone@retrodev.com> parents: 1260 diff changeset	3456 jcc(code, CC_NZ, is_nmi);
1471 2e6320d261ff Implemented Z80 IM 2 and attempted correct intack cycle delay Michael Pavone <pavone@retrodev.com> parents: 1448 diff changeset	3457 cycles(&options->gen, 6); //interupt ack cycle
2e6320d261ff Implemented Z80 IM 2 and attempted correct intack cycle delay Michael Pavone <pavone@retrodev.com> parents: 1448 diff changeset	3458 //TODO: Support interrupt mode 0, not needed for Genesis sit it seems to read $FF during intack
2e6320d261ff Implemented Z80 IM 2 and attempted correct intack cycle delay Michael Pavone <pavone@retrodev.com> parents: 1448 diff changeset	3459 //which is conveniently rst $38, i.e. the same thing that im 1 does
2e6320d261ff Implemented Z80 IM 2 and attempted correct intack cycle delay Michael Pavone <pavone@retrodev.com> parents: 1448 diff changeset	3460 //check interrupt mode
2e6320d261ff Implemented Z80 IM 2 and attempted correct intack cycle delay Michael Pavone <pavone@retrodev.com> parents: 1448 diff changeset	3461 cmp_irdisp(code, 2, options->gen.context_reg, offsetof(z80_context, im), SZ_B);
2e6320d261ff Implemented Z80 IM 2 and attempted correct intack cycle delay Michael Pavone <pavone@retrodev.com> parents: 1448 diff changeset	3462 code_ptr im2 = code->cur + 1;
2e6320d261ff Implemented Z80 IM 2 and attempted correct intack cycle delay Michael Pavone <pavone@retrodev.com> parents: 1448 diff changeset	3463 jcc(code, CC_Z, im2);
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3464 mov_ir(code, 0x38, options->gen.scratch1, SZ_W);
1376 70d88d9bfe13 Implemented Z80 NMI Michael Pavone <pavone@retrodev.com> parents: 1260 diff changeset	3465 code_ptr after_int_dest = code->cur + 1;
70d88d9bfe13 Implemented Z80 NMI Michael Pavone <pavone@retrodev.com> parents: 1260 diff changeset	3466 jmp(code, after_int_dest);
1471 2e6320d261ff Implemented Z80 IM 2 and attempted correct intack cycle delay Michael Pavone <pavone@retrodev.com> parents: 1448 diff changeset	3467 *im2 = code->cur - (im2 + 1);
2e6320d261ff Implemented Z80 IM 2 and attempted correct intack cycle delay Michael Pavone <pavone@retrodev.com> parents: 1448 diff changeset	3468 //read vector address from I << 8 \| vector
2e6320d261ff Implemented Z80 IM 2 and attempted correct intack cycle delay Michael Pavone <pavone@retrodev.com> parents: 1448 diff changeset	3469 mov_rdispr(code, options->gen.context_reg, offsetof(z80_context, regs) + Z80_I, options->gen.scratch1, SZ_B);
2e6320d261ff Implemented Z80 IM 2 and attempted correct intack cycle delay Michael Pavone <pavone@retrodev.com> parents: 1448 diff changeset	3470 shl_ir(code, 8, options->gen.scratch1, SZ_W);
2e6320d261ff Implemented Z80 IM 2 and attempted correct intack cycle delay Michael Pavone <pavone@retrodev.com> parents: 1448 diff changeset	3471 movzx_rdispr(code, options->gen.context_reg, offsetof(z80_context, im2_vector), options->gen.scratch2, SZ_B, SZ_W);
2e6320d261ff Implemented Z80 IM 2 and attempted correct intack cycle delay Michael Pavone <pavone@retrodev.com> parents: 1448 diff changeset	3472 or_rr(code, options->gen.scratch2, options->gen.scratch1, SZ_W);
2e6320d261ff Implemented Z80 IM 2 and attempted correct intack cycle delay Michael Pavone <pavone@retrodev.com> parents: 1448 diff changeset	3473 push_r(code, options->gen.scratch1);
2e6320d261ff Implemented Z80 IM 2 and attempted correct intack cycle delay Michael Pavone <pavone@retrodev.com> parents: 1448 diff changeset	3474 cycles(&options->gen, 3);
2e6320d261ff Implemented Z80 IM 2 and attempted correct intack cycle delay Michael Pavone <pavone@retrodev.com> parents: 1448 diff changeset	3475 call(code, options->read_8_noinc);
2e6320d261ff Implemented Z80 IM 2 and attempted correct intack cycle delay Michael Pavone <pavone@retrodev.com> parents: 1448 diff changeset	3476 pop_r(code, options->gen.scratch2);
2e6320d261ff Implemented Z80 IM 2 and attempted correct intack cycle delay Michael Pavone <pavone@retrodev.com> parents: 1448 diff changeset	3477 push_r(code, options->gen.scratch1);
2e6320d261ff Implemented Z80 IM 2 and attempted correct intack cycle delay Michael Pavone <pavone@retrodev.com> parents: 1448 diff changeset	3478 mov_rr(code, options->gen.scratch2, options->gen.scratch1, SZ_W);
2e6320d261ff Implemented Z80 IM 2 and attempted correct intack cycle delay Michael Pavone <pavone@retrodev.com> parents: 1448 diff changeset	3479 add_ir(code, 1, options->gen.scratch1, SZ_W);
2e6320d261ff Implemented Z80 IM 2 and attempted correct intack cycle delay Michael Pavone <pavone@retrodev.com> parents: 1448 diff changeset	3480 cycles(&options->gen, 3);
2e6320d261ff Implemented Z80 IM 2 and attempted correct intack cycle delay Michael Pavone <pavone@retrodev.com> parents: 1448 diff changeset	3481 call(code, options->read_8_noinc);
2e6320d261ff Implemented Z80 IM 2 and attempted correct intack cycle delay Michael Pavone <pavone@retrodev.com> parents: 1448 diff changeset	3482 pop_r(code, options->gen.scratch2);
2e6320d261ff Implemented Z80 IM 2 and attempted correct intack cycle delay Michael Pavone <pavone@retrodev.com> parents: 1448 diff changeset	3483 shl_ir(code, 8, options->gen.scratch1, SZ_W);
2e6320d261ff Implemented Z80 IM 2 and attempted correct intack cycle delay Michael Pavone <pavone@retrodev.com> parents: 1448 diff changeset	3484 movzx_rr(code, options->gen.scratch2, options->gen.scratch2, SZ_B, SZ_W);
2e6320d261ff Implemented Z80 IM 2 and attempted correct intack cycle delay Michael Pavone <pavone@retrodev.com> parents: 1448 diff changeset	3485 or_rr(code, options->gen.scratch2, options->gen.scratch1, SZ_W);
2e6320d261ff Implemented Z80 IM 2 and attempted correct intack cycle delay Michael Pavone <pavone@retrodev.com> parents: 1448 diff changeset	3486 code_ptr after_int_dest2 = code->cur + 1;
2e6320d261ff Implemented Z80 IM 2 and attempted correct intack cycle delay Michael Pavone <pavone@retrodev.com> parents: 1448 diff changeset	3487 jmp(code, after_int_dest2);
1376 70d88d9bfe13 Implemented Z80 NMI Michael Pavone <pavone@retrodev.com> parents: 1260 diff changeset	3488 *is_nmi = code->cur - (is_nmi + 1);
70d88d9bfe13 Implemented Z80 NMI Michael Pavone <pavone@retrodev.com> parents: 1260 diff changeset	3489 mov_irdisp(code, 0, options->gen.context_reg, offsetof(z80_context, int_is_nmi), SZ_B);
70d88d9bfe13 Implemented Z80 NMI Michael Pavone <pavone@retrodev.com> parents: 1260 diff changeset	3490 mov_irdisp(code, CYCLE_NEVER, options->gen.context_reg, offsetof(z80_context, nmi_start), SZ_D);
70d88d9bfe13 Implemented Z80 NMI Michael Pavone <pavone@retrodev.com> parents: 1260 diff changeset	3491 mov_ir(code, 0x66, options->gen.scratch1, SZ_W);
70d88d9bfe13 Implemented Z80 NMI Michael Pavone <pavone@retrodev.com> parents: 1260 diff changeset	3492 *after_int_dest = code->cur - (after_int_dest + 1);
1471 2e6320d261ff Implemented Z80 IM 2 and attempted correct intack cycle delay Michael Pavone <pavone@retrodev.com> parents: 1448 diff changeset	3493 *after_int_dest2 = code->cur - (after_int_dest2 + 1);
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	3494 call(code, options->native_addr);
663 7a5461001242 Sync Z80 when taking an interrupt so that int_cycle gets updated Michael Pavone <pavone@retrodev.com> parents: 662 diff changeset	3495 mov_rrind(code, options->gen.scratch1, options->gen.context_reg, SZ_PTR);
895 13388ab6d78a Get Z80 core sort of working again post alignment change Michael Pavone <pavone@retrodev.com> parents: 894 diff changeset	3496 tmp_stack_off = code->stack_off;
665 d0943769353b Added functions to gen_x86 for saving and restoring callee save registers to better abstract over ABI differences between x86 and x86-64 Michael Pavone <pavone@retrodev.com> parents: 664 diff changeset	3497 restore_callee_save_regs(code);
663 7a5461001242 Sync Z80 when taking an interrupt so that int_cycle gets updated Michael Pavone <pavone@retrodev.com> parents: 662 diff changeset	3498 //return to caller of z80_run to sync
7a5461001242 Sync Z80 when taking an interrupt so that int_cycle gets updated Michael Pavone <pavone@retrodev.com> parents: 662 diff changeset	3499 retn(code);
895 13388ab6d78a Get Z80 core sort of working again post alignment change Michael Pavone <pavone@retrodev.com> parents: 894 diff changeset	3500 code->stack_off = tmp_stack_off;
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	3501
819 ab017fb09e77 Added support for an IO memory map in Z80 core Michael Pavone <pavone@retrodev.com> parents: 792 diff changeset	3502 //HACK
ab017fb09e77 Added support for an IO memory map in Z80 core Michael Pavone <pavone@retrodev.com> parents: 792 diff changeset	3503 options->gen.address_size = SZ_D;
1116 fe8c79f82c22 More cleanup in preparation for SMS/Mark III support Michael Pavone <pavone@retrodev.com> parents: 1110 diff changeset	3504 options->gen.address_mask = io_address_mask;
819 ab017fb09e77 Added support for an IO memory map in Z80 core Michael Pavone <pavone@retrodev.com> parents: 792 diff changeset	3505 options->read_io = gen_mem_fun(&options->gen, io_chunks, num_io_chunks, READ_8, NULL);
ab017fb09e77 Added support for an IO memory map in Z80 core Michael Pavone <pavone@retrodev.com> parents: 792 diff changeset	3506 options->write_io = gen_mem_fun(&options->gen, io_chunks, num_io_chunks, WRITE_8, NULL);
ab017fb09e77 Added support for an IO memory map in Z80 core Michael Pavone <pavone@retrodev.com> parents: 792 diff changeset	3507 options->gen.address_size = SZ_W;
ab017fb09e77 Added support for an IO memory map in Z80 core Michael Pavone <pavone@retrodev.com> parents: 792 diff changeset	3508 options->gen.address_mask = 0xFFFF;
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	3509
594 086de8692932 Add in missing generated Z80 helper functions. Fix a small bug in Z80_HALT. Fix generation of save and load context for Z80 Michael Pavone <pavone@retrodev.com> parents: 593 diff changeset	3510 options->read_16 = code->cur;
086de8692932 Add in missing generated Z80 helper functions. Fix a small bug in Z80_HALT. Fix generation of save and load context for Z80 Michael Pavone <pavone@retrodev.com> parents: 593 diff changeset	3511 cycles(&options->gen, 3);
086de8692932 Add in missing generated Z80 helper functions. Fix a small bug in Z80_HALT. Fix generation of save and load context for Z80 Michael Pavone <pavone@retrodev.com> parents: 593 diff changeset	3512 check_cycles(&options->gen);
086de8692932 Add in missing generated Z80 helper functions. Fix a small bug in Z80_HALT. Fix generation of save and load context for Z80 Michael Pavone <pavone@retrodev.com> parents: 593 diff changeset	3513 //TODO: figure out how to handle the extra wait state for word reads to bank area
657 92ce5ea5ffc9 Use call_args and call_args_abi in Z80 core Michael Pavone <pavone@retrodev.com> parents: 653 diff changeset	3514 //may also need special handling to avoid too much stack depth when access is blocked
594 086de8692932 Add in missing generated Z80 helper functions. Fix a small bug in Z80_HALT. Fix generation of save and load context for Z80 Michael Pavone <pavone@retrodev.com> parents: 593 diff changeset	3515 push_r(code, options->gen.scratch1);
086de8692932 Add in missing generated Z80 helper functions. Fix a small bug in Z80_HALT. Fix generation of save and load context for Z80 Michael Pavone <pavone@retrodev.com> parents: 593 diff changeset	3516 call(code, options->read_8_noinc);
086de8692932 Add in missing generated Z80 helper functions. Fix a small bug in Z80_HALT. Fix generation of save and load context for Z80 Michael Pavone <pavone@retrodev.com> parents: 593 diff changeset	3517 mov_rr(code, options->gen.scratch1, options->gen.scratch2, SZ_B);
735 539d12fa6a4d Add a define in both the source and Makefile for enabling logging of z80 instruction address/cycle counts. Fix Z80 in/out instructions to eliminate assumptions about which registers are stored in native regs. Fix read_16 to not corrupt the low byte when the read has to call into a C function. Michael Pavone <pavone@retrodev.com> parents: 734 diff changeset	3518 #ifndef X86_64
539d12fa6a4d Add a define in both the source and Makefile for enabling logging of z80 instruction address/cycle counts. Fix Z80 in/out instructions to eliminate assumptions about which registers are stored in native regs. Fix read_16 to not corrupt the low byte when the read has to call into a C function. Michael Pavone <pavone@retrodev.com> parents: 734 diff changeset	3519 //scratch 2 is a caller save register in 32-bit builds and may be clobbered by something called from the read8 fun
539d12fa6a4d Add a define in both the source and Makefile for enabling logging of z80 instruction address/cycle counts. Fix Z80 in/out instructions to eliminate assumptions about which registers are stored in native regs. Fix read_16 to not corrupt the low byte when the read has to call into a C function. Michael Pavone <pavone@retrodev.com> parents: 734 diff changeset	3520 mov_rrdisp(code, options->gen.scratch1, options->gen.context_reg, offsetof(z80_context, scratch2), SZ_B);
539d12fa6a4d Add a define in both the source and Makefile for enabling logging of z80 instruction address/cycle counts. Fix Z80 in/out instructions to eliminate assumptions about which registers are stored in native regs. Fix read_16 to not corrupt the low byte when the read has to call into a C function. Michael Pavone <pavone@retrodev.com> parents: 734 diff changeset	3521 #endif
594 086de8692932 Add in missing generated Z80 helper functions. Fix a small bug in Z80_HALT. Fix generation of save and load context for Z80 Michael Pavone <pavone@retrodev.com> parents: 593 diff changeset	3522 pop_r(code, options->gen.scratch1);
086de8692932 Add in missing generated Z80 helper functions. Fix a small bug in Z80_HALT. Fix generation of save and load context for Z80 Michael Pavone <pavone@retrodev.com> parents: 593 diff changeset	3523 add_ir(code, 1, options->gen.scratch1, SZ_W);
086de8692932 Add in missing generated Z80 helper functions. Fix a small bug in Z80_HALT. Fix generation of save and load context for Z80 Michael Pavone <pavone@retrodev.com> parents: 593 diff changeset	3524 cycles(&options->gen, 3);
086de8692932 Add in missing generated Z80 helper functions. Fix a small bug in Z80_HALT. Fix generation of save and load context for Z80 Michael Pavone <pavone@retrodev.com> parents: 593 diff changeset	3525 check_cycles(&options->gen);
086de8692932 Add in missing generated Z80 helper functions. Fix a small bug in Z80_HALT. Fix generation of save and load context for Z80 Michael Pavone <pavone@retrodev.com> parents: 593 diff changeset	3526 call(code, options->read_8_noinc);
086de8692932 Add in missing generated Z80 helper functions. Fix a small bug in Z80_HALT. Fix generation of save and load context for Z80 Michael Pavone <pavone@retrodev.com> parents: 593 diff changeset	3527 shl_ir(code, 8, options->gen.scratch1, SZ_W);
735 539d12fa6a4d Add a define in both the source and Makefile for enabling logging of z80 instruction address/cycle counts. Fix Z80 in/out instructions to eliminate assumptions about which registers are stored in native regs. Fix read_16 to not corrupt the low byte when the read has to call into a C function. Michael Pavone <pavone@retrodev.com> parents: 734 diff changeset	3528 #ifdef X86_64
594 086de8692932 Add in missing generated Z80 helper functions. Fix a small bug in Z80_HALT. Fix generation of save and load context for Z80 Michael Pavone <pavone@retrodev.com> parents: 593 diff changeset	3529 mov_rr(code, options->gen.scratch2, options->gen.scratch1, SZ_B);
735 539d12fa6a4d Add a define in both the source and Makefile for enabling logging of z80 instruction address/cycle counts. Fix Z80 in/out instructions to eliminate assumptions about which registers are stored in native regs. Fix read_16 to not corrupt the low byte when the read has to call into a C function. Michael Pavone <pavone@retrodev.com> parents: 734 diff changeset	3530 #else
539d12fa6a4d Add a define in both the source and Makefile for enabling logging of z80 instruction address/cycle counts. Fix Z80 in/out instructions to eliminate assumptions about which registers are stored in native regs. Fix read_16 to not corrupt the low byte when the read has to call into a C function. Michael Pavone <pavone@retrodev.com> parents: 734 diff changeset	3531 mov_rdispr(code, options->gen.context_reg, offsetof(z80_context, scratch2), options->gen.scratch1, SZ_B);
539d12fa6a4d Add a define in both the source and Makefile for enabling logging of z80 instruction address/cycle counts. Fix Z80 in/out instructions to eliminate assumptions about which registers are stored in native regs. Fix read_16 to not corrupt the low byte when the read has to call into a C function. Michael Pavone <pavone@retrodev.com> parents: 734 diff changeset	3532 #endif
594 086de8692932 Add in missing generated Z80 helper functions. Fix a small bug in Z80_HALT. Fix generation of save and load context for Z80 Michael Pavone <pavone@retrodev.com> parents: 593 diff changeset	3533 retn(code);
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	3534
594 086de8692932 Add in missing generated Z80 helper functions. Fix a small bug in Z80_HALT. Fix generation of save and load context for Z80 Michael Pavone <pavone@retrodev.com> parents: 593 diff changeset	3535 options->write_16_highfirst = code->cur;
086de8692932 Add in missing generated Z80 helper functions. Fix a small bug in Z80_HALT. Fix generation of save and load context for Z80 Michael Pavone <pavone@retrodev.com> parents: 593 diff changeset	3536 cycles(&options->gen, 3);
086de8692932 Add in missing generated Z80 helper functions. Fix a small bug in Z80_HALT. Fix generation of save and load context for Z80 Michael Pavone <pavone@retrodev.com> parents: 593 diff changeset	3537 check_cycles(&options->gen);
086de8692932 Add in missing generated Z80 helper functions. Fix a small bug in Z80_HALT. Fix generation of save and load context for Z80 Michael Pavone <pavone@retrodev.com> parents: 593 diff changeset	3538 push_r(code, options->gen.scratch2);
086de8692932 Add in missing generated Z80 helper functions. Fix a small bug in Z80_HALT. Fix generation of save and load context for Z80 Michael Pavone <pavone@retrodev.com> parents: 593 diff changeset	3539 push_r(code, options->gen.scratch1);
086de8692932 Add in missing generated Z80 helper functions. Fix a small bug in Z80_HALT. Fix generation of save and load context for Z80 Michael Pavone <pavone@retrodev.com> parents: 593 diff changeset	3540 add_ir(code, 1, options->gen.scratch2, SZ_W);
086de8692932 Add in missing generated Z80 helper functions. Fix a small bug in Z80_HALT. Fix generation of save and load context for Z80 Michael Pavone <pavone@retrodev.com> parents: 593 diff changeset	3541 shr_ir(code, 8, options->gen.scratch1, SZ_W);
086de8692932 Add in missing generated Z80 helper functions. Fix a small bug in Z80_HALT. Fix generation of save and load context for Z80 Michael Pavone <pavone@retrodev.com> parents: 593 diff changeset	3542 call(code, options->write_8_noinc);
086de8692932 Add in missing generated Z80 helper functions. Fix a small bug in Z80_HALT. Fix generation of save and load context for Z80 Michael Pavone <pavone@retrodev.com> parents: 593 diff changeset	3543 pop_r(code, options->gen.scratch1);
086de8692932 Add in missing generated Z80 helper functions. Fix a small bug in Z80_HALT. Fix generation of save and load context for Z80 Michael Pavone <pavone@retrodev.com> parents: 593 diff changeset	3544 pop_r(code, options->gen.scratch2);
086de8692932 Add in missing generated Z80 helper functions. Fix a small bug in Z80_HALT. Fix generation of save and load context for Z80 Michael Pavone <pavone@retrodev.com> parents: 593 diff changeset	3545 cycles(&options->gen, 3);
086de8692932 Add in missing generated Z80 helper functions. Fix a small bug in Z80_HALT. Fix generation of save and load context for Z80 Michael Pavone <pavone@retrodev.com> parents: 593 diff changeset	3546 check_cycles(&options->gen);
086de8692932 Add in missing generated Z80 helper functions. Fix a small bug in Z80_HALT. Fix generation of save and load context for Z80 Michael Pavone <pavone@retrodev.com> parents: 593 diff changeset	3547 //TODO: Check if we can get away with TCO here
086de8692932 Add in missing generated Z80 helper functions. Fix a small bug in Z80_HALT. Fix generation of save and load context for Z80 Michael Pavone <pavone@retrodev.com> parents: 593 diff changeset	3548 call(code, options->write_8_noinc);
086de8692932 Add in missing generated Z80 helper functions. Fix a small bug in Z80_HALT. Fix generation of save and load context for Z80 Michael Pavone <pavone@retrodev.com> parents: 593 diff changeset	3549 retn(code);
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	3550
594 086de8692932 Add in missing generated Z80 helper functions. Fix a small bug in Z80_HALT. Fix generation of save and load context for Z80 Michael Pavone <pavone@retrodev.com> parents: 593 diff changeset	3551 options->write_16_lowfirst = code->cur;
086de8692932 Add in missing generated Z80 helper functions. Fix a small bug in Z80_HALT. Fix generation of save and load context for Z80 Michael Pavone <pavone@retrodev.com> parents: 593 diff changeset	3552 cycles(&options->gen, 3);
086de8692932 Add in missing generated Z80 helper functions. Fix a small bug in Z80_HALT. Fix generation of save and load context for Z80 Michael Pavone <pavone@retrodev.com> parents: 593 diff changeset	3553 check_cycles(&options->gen);
086de8692932 Add in missing generated Z80 helper functions. Fix a small bug in Z80_HALT. Fix generation of save and load context for Z80 Michael Pavone <pavone@retrodev.com> parents: 593 diff changeset	3554 push_r(code, options->gen.scratch2);
086de8692932 Add in missing generated Z80 helper functions. Fix a small bug in Z80_HALT. Fix generation of save and load context for Z80 Michael Pavone <pavone@retrodev.com> parents: 593 diff changeset	3555 push_r(code, options->gen.scratch1);
086de8692932 Add in missing generated Z80 helper functions. Fix a small bug in Z80_HALT. Fix generation of save and load context for Z80 Michael Pavone <pavone@retrodev.com> parents: 593 diff changeset	3556 call(code, options->write_8_noinc);
086de8692932 Add in missing generated Z80 helper functions. Fix a small bug in Z80_HALT. Fix generation of save and load context for Z80 Michael Pavone <pavone@retrodev.com> parents: 593 diff changeset	3557 pop_r(code, options->gen.scratch1);
086de8692932 Add in missing generated Z80 helper functions. Fix a small bug in Z80_HALT. Fix generation of save and load context for Z80 Michael Pavone <pavone@retrodev.com> parents: 593 diff changeset	3558 pop_r(code, options->gen.scratch2);
086de8692932 Add in missing generated Z80 helper functions. Fix a small bug in Z80_HALT. Fix generation of save and load context for Z80 Michael Pavone <pavone@retrodev.com> parents: 593 diff changeset	3559 add_ir(code, 1, options->gen.scratch2, SZ_W);
086de8692932 Add in missing generated Z80 helper functions. Fix a small bug in Z80_HALT. Fix generation of save and load context for Z80 Michael Pavone <pavone@retrodev.com> parents: 593 diff changeset	3560 shr_ir(code, 8, options->gen.scratch1, SZ_W);
086de8692932 Add in missing generated Z80 helper functions. Fix a small bug in Z80_HALT. Fix generation of save and load context for Z80 Michael Pavone <pavone@retrodev.com> parents: 593 diff changeset	3561 cycles(&options->gen, 3);
086de8692932 Add in missing generated Z80 helper functions. Fix a small bug in Z80_HALT. Fix generation of save and load context for Z80 Michael Pavone <pavone@retrodev.com> parents: 593 diff changeset	3562 check_cycles(&options->gen);
086de8692932 Add in missing generated Z80 helper functions. Fix a small bug in Z80_HALT. Fix generation of save and load context for Z80 Michael Pavone <pavone@retrodev.com> parents: 593 diff changeset	3563 //TODO: Check if we can get away with TCO here
086de8692932 Add in missing generated Z80 helper functions. Fix a small bug in Z80_HALT. Fix generation of save and load context for Z80 Michael Pavone <pavone@retrodev.com> parents: 593 diff changeset	3564 call(code, options->write_8_noinc);
086de8692932 Add in missing generated Z80 helper functions. Fix a small bug in Z80_HALT. Fix generation of save and load context for Z80 Michael Pavone <pavone@retrodev.com> parents: 593 diff changeset	3565 retn(code);
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	3566
5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	3567 options->retrans_stub = code->cur;
895 13388ab6d78a Get Z80 core sort of working again post alignment change Michael Pavone <pavone@retrodev.com> parents: 894 diff changeset	3568 tmp_stack_off = code->stack_off;
899 07bfbbbb4b2e Fix for Z80 retranslation post alignment rework Michael Pavone <pavone@retrodev.com> parents: 898 diff changeset	3569 //calculate size of patch
07bfbbbb4b2e Fix for Z80 retranslation post alignment rework Michael Pavone <pavone@retrodev.com> parents: 898 diff changeset	3570 mov_ir(code, 0x7FFF, options->gen.scratch1, SZ_D);
07bfbbbb4b2e Fix for Z80 retranslation post alignment rework Michael Pavone <pavone@retrodev.com> parents: 898 diff changeset	3571 code->stack_off += sizeof(void *);
07bfbbbb4b2e Fix for Z80 retranslation post alignment rework Michael Pavone <pavone@retrodev.com> parents: 898 diff changeset	3572 if (code->stack_off & 0xF) {
07bfbbbb4b2e Fix for Z80 retranslation post alignment rework Michael Pavone <pavone@retrodev.com> parents: 898 diff changeset	3573 sub_ir(code, 16 - (code->stack_off & 0xF), RSP, SZ_PTR);
07bfbbbb4b2e Fix for Z80 retranslation post alignment rework Michael Pavone <pavone@retrodev.com> parents: 898 diff changeset	3574 }
07bfbbbb4b2e Fix for Z80 retranslation post alignment rework Michael Pavone <pavone@retrodev.com> parents: 898 diff changeset	3575 call_noalign(code, options->retrans_stub);
07bfbbbb4b2e Fix for Z80 retranslation post alignment rework Michael Pavone <pavone@retrodev.com> parents: 898 diff changeset	3576 uint32_t patch_size = code->cur - options->retrans_stub;
07bfbbbb4b2e Fix for Z80 retranslation post alignment rework Michael Pavone <pavone@retrodev.com> parents: 898 diff changeset	3577 code->cur = options->retrans_stub;
07bfbbbb4b2e Fix for Z80 retranslation post alignment rework Michael Pavone <pavone@retrodev.com> parents: 898 diff changeset	3578 code->stack_off = tmp_stack_off;
07bfbbbb4b2e Fix for Z80 retranslation post alignment rework Michael Pavone <pavone@retrodev.com> parents: 898 diff changeset	3579
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	3580 //pop return address
5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	3581 pop_r(code, options->gen.scratch2);
895 13388ab6d78a Get Z80 core sort of working again post alignment change Michael Pavone <pavone@retrodev.com> parents: 894 diff changeset	3582 add_ir(code, 16-sizeof(void*), RSP, SZ_PTR);
13388ab6d78a Get Z80 core sort of working again post alignment change Michael Pavone <pavone@retrodev.com> parents: 894 diff changeset	3583 code->stack_off = tmp_stack_off;
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	3584 call(code, options->gen.save_context);
5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	3585 //adjust pointer before move and call instructions that got us here
899 07bfbbbb4b2e Fix for Z80 retranslation post alignment rework Michael Pavone <pavone@retrodev.com> parents: 898 diff changeset	3586 sub_ir(code, patch_size, options->gen.scratch2, SZ_PTR);
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	3587 push_r(code, options->gen.context_reg);
657 92ce5ea5ffc9 Use call_args and call_args_abi in Z80 core Michael Pavone <pavone@retrodev.com> parents: 653 diff changeset	3588 call_args(code, (code_ptr)z80_retranslate_inst, 3, options->gen.scratch1, options->gen.context_reg, options->gen.scratch2);
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	3589 pop_r(code, options->gen.context_reg);
5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	3590 mov_rr(code, RAX, options->gen.scratch1, SZ_PTR);
5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	3591 call(code, options->gen.load_context);
5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	3592 jmp_r(code, options->gen.scratch1);
5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	3593
1130 8f14767661fa Remove memory map assumptions from Z80 core and move a little bit of logic to the generic backend.c so it can be shared between CPU cores Michael Pavone <pavone@retrodev.com> parents: 1117 diff changeset	3594 options->run = (z80_ctx_fun)code->cur;
895 13388ab6d78a Get Z80 core sort of working again post alignment change Michael Pavone <pavone@retrodev.com> parents: 894 diff changeset	3595 tmp_stack_off = code->stack_off;
665 d0943769353b Added functions to gen_x86 for saving and restoring callee save registers to better abstract over ABI differences between x86 and x86-64 Michael Pavone <pavone@retrodev.com> parents: 664 diff changeset	3596 save_callee_save_regs(code);
729 9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	3597 #ifdef X86_64
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	3598 mov_rr(code, RDI, options->gen.context_reg, SZ_PTR);
729 9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	3599 #else
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	3600 mov_rdispr(code, RSP, 5 * sizeof(int32_t), options->gen.context_reg, SZ_PTR);
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	3601 #endif
594 086de8692932 Add in missing generated Z80 helper functions. Fix a small bug in Z80_HALT. Fix generation of save and load context for Z80 Michael Pavone <pavone@retrodev.com> parents: 593 diff changeset	3602 call(code, options->load_context_scratch);
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	3603 cmp_irdisp(code, 0, options->gen.context_reg, offsetof(z80_context, extra_pc), SZ_PTR);
5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	3604 code_ptr no_extra = code->cur+1;
5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	3605 jcc(code, CC_Z, no_extra);
898 2f1157f00dc6 Z80 core is now slightly less broken Michael Pavone <pavone@retrodev.com> parents: 895 diff changeset	3606 sub_ir(code, 16-sizeof(void *), RSP, SZ_PTR);
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	3607 push_rdisp(code, options->gen.context_reg, offsetof(z80_context, extra_pc));
5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	3608 mov_irdisp(code, 0, options->gen.context_reg, offsetof(z80_context, extra_pc), SZ_PTR);
5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	3609 *no_extra = code->cur - (no_extra + 1);
5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	3610 jmp_rind(code, options->gen.context_reg);
895 13388ab6d78a Get Z80 core sort of working again post alignment change Michael Pavone <pavone@retrodev.com> parents: 894 diff changeset	3611 code->stack_off = tmp_stack_off;
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	3612 }
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	3613
1130 8f14767661fa Remove memory map assumptions from Z80 core and move a little bit of logic to the generic backend.c so it can be shared between CPU cores Michael Pavone <pavone@retrodev.com> parents: 1117 diff changeset	3614 z80_context init_z80_context(z80_options options)
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	3615 {
1130 8f14767661fa Remove memory map assumptions from Z80 core and move a little bit of logic to the generic backend.c so it can be shared between CPU cores Michael Pavone <pavone@retrodev.com> parents: 1117 diff changeset	3616 size_t ctx_size = sizeof(z80_context) + ram_size(&options->gen) / (1 << options->gen.ram_flags_shift) / 8;
8f14767661fa Remove memory map assumptions from Z80 core and move a little bit of logic to the generic backend.c so it can be shared between CPU cores Michael Pavone <pavone@retrodev.com> parents: 1117 diff changeset	3617 z80_context *context = calloc(1, ctx_size);
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	3618 context->options = options;
668 5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	3619 context->int_cycle = CYCLE_NEVER;
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	3620 context->int_pulse_start = CYCLE_NEVER;
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	3621 context->int_pulse_end = CYCLE_NEVER;
1376 70d88d9bfe13 Implemented Z80 NMI Michael Pavone <pavone@retrodev.com> parents: 1260 diff changeset	3622 context->nmi_start = CYCLE_NEVER;
1130 8f14767661fa Remove memory map assumptions from Z80 core and move a little bit of logic to the generic backend.c so it can be shared between CPU cores Michael Pavone <pavone@retrodev.com> parents: 1117 diff changeset	3623
8f14767661fa Remove memory map assumptions from Z80 core and move a little bit of logic to the generic backend.c so it can be shared between CPU cores Michael Pavone <pavone@retrodev.com> parents: 1117 diff changeset	3624 return context;
668 5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	3625 }
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	3626
1376 70d88d9bfe13 Implemented Z80 NMI Michael Pavone <pavone@retrodev.com> parents: 1260 diff changeset	3627 static void check_nmi(z80_context *context)
70d88d9bfe13 Implemented Z80 NMI Michael Pavone <pavone@retrodev.com> parents: 1260 diff changeset	3628 {
70d88d9bfe13 Implemented Z80 NMI Michael Pavone <pavone@retrodev.com> parents: 1260 diff changeset	3629 if (context->nmi_start < context->int_cycle) {
70d88d9bfe13 Implemented Z80 NMI Michael Pavone <pavone@retrodev.com> parents: 1260 diff changeset	3630 context->int_cycle = context->nmi_start;
70d88d9bfe13 Implemented Z80 NMI Michael Pavone <pavone@retrodev.com> parents: 1260 diff changeset	3631 context->int_is_nmi = 1;
70d88d9bfe13 Implemented Z80 NMI Michael Pavone <pavone@retrodev.com> parents: 1260 diff changeset	3632 }
70d88d9bfe13 Implemented Z80 NMI Michael Pavone <pavone@retrodev.com> parents: 1260 diff changeset	3633 }
70d88d9bfe13 Implemented Z80 NMI Michael Pavone <pavone@retrodev.com> parents: 1260 diff changeset	3634
668 5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	3635 void z80_run(z80_context * context, uint32_t target_cycle)
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	3636 {
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	3637 if (context->reset \|\| context->busack) {
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	3638 context->current_cycle = target_cycle;
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	3639 } else {
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	3640 if (context->current_cycle < target_cycle) {
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	3641 //busreq is sampled at the end of an m-cycle
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	3642 //we can approximate that by running for a single m-cycle after a bus request
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	3643 context->sync_cycle = context->busreq ? context->current_cycle + 3*context->options->gen.clock_divider : target_cycle;
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	3644 if (!context->native_pc) {
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	3645 context->native_pc = z80_get_native_address_trans(context, context->pc);
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	3646 }
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	3647 while (context->current_cycle < context->sync_cycle)
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	3648 {
1117 928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: 1116 diff changeset	3649 if (context->next_int_pulse && (context->int_pulse_end < context->current_cycle \|\| context->int_pulse_end == CYCLE_NEVER)) {
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: 1116 diff changeset	3650 context->next_int_pulse(context);
668 5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	3651 }
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	3652 if (context->iff1) {
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	3653 context->int_cycle = context->int_pulse_start < context->int_enable_cycle ? context->int_enable_cycle : context->int_pulse_start;
1376 70d88d9bfe13 Implemented Z80 NMI Michael Pavone <pavone@retrodev.com> parents: 1260 diff changeset	3654 context->int_is_nmi = 0;
668 5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	3655 } else {
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	3656 context->int_cycle = CYCLE_NEVER;
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	3657 }
1376 70d88d9bfe13 Implemented Z80 NMI Michael Pavone <pavone@retrodev.com> parents: 1260 diff changeset	3658 check_nmi(context);
70d88d9bfe13 Implemented Z80 NMI Michael Pavone <pavone@retrodev.com> parents: 1260 diff changeset	3659
668 5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	3660 context->target_cycle = context->sync_cycle < context->int_cycle ? context->sync_cycle : context->int_cycle;
670 f4f3e74b0ce6 Restore Z80 interrupt pulse duration and make a small improvement to debug print output Michael Pavone <pavone@retrodev.com> parents: 668 diff changeset	3661 dprintf("Running Z80 from cycle %d to cycle %d. Int cycle: %d (%d - %d)\n", context->current_cycle, context->sync_cycle, context->int_cycle, context->int_pulse_start, context->int_pulse_end);
668 5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	3662 context->options->run(context);
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	3663 dprintf("Z80 ran to cycle %d\n", context->current_cycle);
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	3664 }
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	3665 if (context->busreq) {
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	3666 context->busack = 1;
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	3667 context->current_cycle = target_cycle;
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	3668 }
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	3669 }
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	3670 }
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	3671 }
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	3672
884 252dfd29831d Selecting a second game from the menu now works Michael Pavone <pavone@retrodev.com> parents: 854 diff changeset	3673 void z80_options_free(z80_options *opts)
252dfd29831d Selecting a second game from the menu now works Michael Pavone <pavone@retrodev.com> parents: 854 diff changeset	3674 {
252dfd29831d Selecting a second game from the menu now works Michael Pavone <pavone@retrodev.com> parents: 854 diff changeset	3675 free(opts->gen.native_code_map);
252dfd29831d Selecting a second game from the menu now works Michael Pavone <pavone@retrodev.com> parents: 854 diff changeset	3676 free(opts->gen.ram_inst_sizes);
252dfd29831d Selecting a second game from the menu now works Michael Pavone <pavone@retrodev.com> parents: 854 diff changeset	3677 free(opts);
252dfd29831d Selecting a second game from the menu now works Michael Pavone <pavone@retrodev.com> parents: 854 diff changeset	3678 }
252dfd29831d Selecting a second game from the menu now works Michael Pavone <pavone@retrodev.com> parents: 854 diff changeset	3679
668 5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	3680 void z80_assert_reset(z80_context * context, uint32_t cycle)
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	3681 {
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	3682 z80_run(context, cycle);
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	3683 context->reset = 1;
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	3684 }
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	3685
668 5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	3686 void z80_clear_reset(z80_context * context, uint32_t cycle)
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	3687 {
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	3688 z80_run(context, cycle);
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	3689 if (context->reset) {
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	3690 //TODO: Handle case where reset is not asserted long enough
701 200ee73c7210 Remove/comment verbose logging added for tracking down sync bug Michael Pavone <pavone@retrodev.com> parents: 697 diff changeset	3691 context->im = 0;
200ee73c7210 Remove/comment verbose logging added for tracking down sync bug Michael Pavone <pavone@retrodev.com> parents: 697 diff changeset	3692 context->iff1 = context->iff2 = 0;
668 5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	3693 context->native_pc = NULL;
701 200ee73c7210 Remove/comment verbose logging added for tracking down sync bug Michael Pavone <pavone@retrodev.com> parents: 697 diff changeset	3694 context->extra_pc = NULL;
668 5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	3695 context->pc = 0;
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	3696 context->reset = 0;
676 41a399c11ef1 When going directly from reset to busreq, do not allow the Z80 to run Michael Pavone <pavone@retrodev.com> parents: 670 diff changeset	3697 if (context->busreq) {
41a399c11ef1 When going directly from reset to busreq, do not allow the Z80 to run Michael Pavone <pavone@retrodev.com> parents: 670 diff changeset	3698 //TODO: Figure out appropriate delay
41a399c11ef1 When going directly from reset to busreq, do not allow the Z80 to run Michael Pavone <pavone@retrodev.com> parents: 670 diff changeset	3699 context->busack = 1;
41a399c11ef1 When going directly from reset to busreq, do not allow the Z80 to run Michael Pavone <pavone@retrodev.com> parents: 670 diff changeset	3700 }
668 5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	3701 }
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	3702 }
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	3703
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	3704 void z80_assert_busreq(z80_context * context, uint32_t cycle)
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	3705 {
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	3706 z80_run(context, cycle);
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	3707 context->busreq = 1;
854 adeb6465ad53 Improve timing of Z80 busack. Fixes a crash in Barkley: Shut Up and Jam. Also vastly improves the audio output of Stuck Somewhere in Time Michael Pavone <pavone@retrodev.com> parents: 844 diff changeset	3708 //this is an imperfect aproximation since most M-cycles take less tstates than the max
adeb6465ad53 Improve timing of Z80 busack. Fixes a crash in Barkley: Shut Up and Jam. Also vastly improves the audio output of Stuck Somewhere in Time Michael Pavone <pavone@retrodev.com> parents: 844 diff changeset	3709 //and a short 3-tstate m-cycle can take an unbounded number due to wait states
adeb6465ad53 Improve timing of Z80 busack. Fixes a crash in Barkley: Shut Up and Jam. Also vastly improves the audio output of Stuck Somewhere in Time Michael Pavone <pavone@retrodev.com> parents: 844 diff changeset	3710 if (context->current_cycle - cycle > MAX_MCYCLE_LENGTH * context->options->gen.clock_divider) {
adeb6465ad53 Improve timing of Z80 busack. Fixes a crash in Barkley: Shut Up and Jam. Also vastly improves the audio output of Stuck Somewhere in Time Michael Pavone <pavone@retrodev.com> parents: 844 diff changeset	3711 context->busack = 1;
adeb6465ad53 Improve timing of Z80 busack. Fixes a crash in Barkley: Shut Up and Jam. Also vastly improves the audio output of Stuck Somewhere in Time Michael Pavone <pavone@retrodev.com> parents: 844 diff changeset	3712 }
701 200ee73c7210 Remove/comment verbose logging added for tracking down sync bug Michael Pavone <pavone@retrodev.com> parents: 697 diff changeset	3713 }
668 5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	3714
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	3715 void z80_clear_busreq(z80_context * context, uint32_t cycle)
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	3716 {
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	3717 z80_run(context, cycle);
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	3718 context->busreq = 0;
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	3719 context->busack = 0;
844 74e161fe7d39 Small tweaks to timing of 68K/Z80 interactions based on latest tests Michael Pavone <pavone@retrodev.com> parents: 842 diff changeset	3720 //there appears to be at least a 1 Z80 cycle delay between busreq
74e161fe7d39 Small tweaks to timing of 68K/Z80 interactions based on latest tests Michael Pavone <pavone@retrodev.com> parents: 842 diff changeset	3721 //being released and resumption of execution
74e161fe7d39 Small tweaks to timing of 68K/Z80 interactions based on latest tests Michael Pavone <pavone@retrodev.com> parents: 842 diff changeset	3722 context->current_cycle += context->options->gen.clock_divider;
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	3723 }
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	3724
668 5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	3725 uint8_t z80_get_busack(z80_context * context, uint32_t cycle)
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	3726 {
668 5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	3727 z80_run(context, cycle);
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	3728 return context->busack;
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	3729 }
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	3730
1376 70d88d9bfe13 Implemented Z80 NMI Michael Pavone <pavone@retrodev.com> parents: 1260 diff changeset	3731 void z80_assert_nmi(z80_context *context, uint32_t cycle)
70d88d9bfe13 Implemented Z80 NMI Michael Pavone <pavone@retrodev.com> parents: 1260 diff changeset	3732 {
70d88d9bfe13 Implemented Z80 NMI Michael Pavone <pavone@retrodev.com> parents: 1260 diff changeset	3733 context->nmi_start = cycle;
70d88d9bfe13 Implemented Z80 NMI Michael Pavone <pavone@retrodev.com> parents: 1260 diff changeset	3734 check_nmi(context);
70d88d9bfe13 Implemented Z80 NMI Michael Pavone <pavone@retrodev.com> parents: 1260 diff changeset	3735 }
70d88d9bfe13 Implemented Z80 NMI Michael Pavone <pavone@retrodev.com> parents: 1260 diff changeset	3736
668 5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	3737 void z80_adjust_cycles(z80_context * context, uint32_t deduction)
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	3738 {
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	3739 if (context->current_cycle < deduction) {
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	3740 fprintf(stderr, "WARNING: Deduction of %u cycles when Z80 cycle counter is only %u\n", deduction, context->current_cycle);
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	3741 context->current_cycle = 0;
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	3742 } else {
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	3743 context->current_cycle -= deduction;
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	3744 }
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	3745 if (context->int_enable_cycle != CYCLE_NEVER) {
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	3746 if (context->int_enable_cycle < deduction) {
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	3747 context->int_enable_cycle = 0;
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	3748 } else {
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	3749 context->int_enable_cycle -= deduction;
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	3750 }
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	3751 }
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	3752 if (context->int_pulse_start != CYCLE_NEVER) {
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	3753 if (context->int_pulse_end < deduction) {
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	3754 context->int_pulse_start = context->int_pulse_end = CYCLE_NEVER;
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	3755 } else {
1117 928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: 1116 diff changeset	3756 if (context->int_pulse_end != CYCLE_NEVER) {
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: 1116 diff changeset	3757 context->int_pulse_end -= deduction;
928a65750345 Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful. Michael Pavone <pavone@retrodev.com> parents: 1116 diff changeset	3758 }
668 5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	3759 if (context->int_pulse_start < deduction) {
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	3760 context->int_pulse_start = 0;
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	3761 } else {
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	3762 context->int_pulse_start -= deduction;
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	3763 }
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	3764 }
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	3765 }
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	3766 }
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	3767
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	3768 uint32_t zbreakpoint_patch(z80_context * context, uint16_t address, code_ptr dst)
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	3769 {
1131 136b1676109b Partial fix for Z80 debugger brokeness introduced with stack alignment changes Michael Pavone <pavone@retrodev.com> parents: 1130 diff changeset	3770 code_info code = {
136b1676109b Partial fix for Z80 debugger brokeness introduced with stack alignment changes Michael Pavone <pavone@retrodev.com> parents: 1130 diff changeset	3771 dst,
136b1676109b Partial fix for Z80 debugger brokeness introduced with stack alignment changes Michael Pavone <pavone@retrodev.com> parents: 1130 diff changeset	3772 dst+32,
136b1676109b Partial fix for Z80 debugger brokeness introduced with stack alignment changes Michael Pavone <pavone@retrodev.com> parents: 1130 diff changeset	3773 #ifdef X86_64
136b1676109b Partial fix for Z80 debugger brokeness introduced with stack alignment changes Michael Pavone <pavone@retrodev.com> parents: 1130 diff changeset	3774 8
136b1676109b Partial fix for Z80 debugger brokeness introduced with stack alignment changes Michael Pavone <pavone@retrodev.com> parents: 1130 diff changeset	3775 #else
136b1676109b Partial fix for Z80 debugger brokeness introduced with stack alignment changes Michael Pavone <pavone@retrodev.com> parents: 1130 diff changeset	3776 0
136b1676109b Partial fix for Z80 debugger brokeness introduced with stack alignment changes Michael Pavone <pavone@retrodev.com> parents: 1130 diff changeset	3777 #endif
136b1676109b Partial fix for Z80 debugger brokeness introduced with stack alignment changes Michael Pavone <pavone@retrodev.com> parents: 1130 diff changeset	3778 };
659 759c38bf97f8 Minor Z80 core cleanup Michael Pavone <pavone@retrodev.com> parents: 657 diff changeset	3779 mov_ir(&code, address, context->options->gen.scratch1, SZ_W);
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	3780 call(&code, context->bp_stub);
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	3781 return code.cur-dst;
626 7c46891a29b1 Properly handle Z80 breakpoints on self-modifying code and setting Z80 breakpoints before the Z80 program has been loaded Michael Pavone <pavone@retrodev.com> parents: 625 diff changeset	3782 }
7c46891a29b1 Properly handle Z80 breakpoints on self-modifying code and setting Z80 breakpoints before the Z80 program has been loaded Michael Pavone <pavone@retrodev.com> parents: 625 diff changeset	3783
7c46891a29b1 Properly handle Z80 breakpoints on self-modifying code and setting Z80 breakpoints before the Z80 program has been loaded Michael Pavone <pavone@retrodev.com> parents: 625 diff changeset	3784 void zcreate_stub(z80_context * context)
7c46891a29b1 Properly handle Z80 breakpoints on self-modifying code and setting Z80 breakpoints before the Z80 program has been loaded Michael Pavone <pavone@retrodev.com> parents: 625 diff changeset	3785 {
1224 15c5be05e6a9 Ported correct but inefficient overlapping instruction handling from 68K core to Z80 core. Fixed remaining stack alignment issue for Z80 breakpoints on 64-bit. Probably still needs fixing for 32-bit Michael Pavone <pavone@retrodev.com> parents: 1222 diff changeset	3786 //FIXME: Stack offset stuff is probably broken on 32-bit
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	3787 z80_options * opts = context->options;
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	3788 code_info *code = &opts->gen.code;
894 a7774fc2de4b Partially working change to do proper stack alignment rather than doing a lame alignment check when calling a C compile dfunction. 68K core seems okay, but Z80 is busted. Michael Pavone <pavone@retrodev.com> parents: 884 diff changeset	3789 uint32_t start_stack_off = code->stack_off;
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	3790 check_code_prologue(code);
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	3791 context->bp_stub = code->cur;
626 7c46891a29b1 Properly handle Z80 breakpoints on self-modifying code and setting Z80 breakpoints before the Z80 program has been loaded Michael Pavone <pavone@retrodev.com> parents: 625 diff changeset	3792
1131 136b1676109b Partial fix for Z80 debugger brokeness introduced with stack alignment changes Michael Pavone <pavone@retrodev.com> parents: 1130 diff changeset	3793 //Calculate length of prologue
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	3794 check_cycles_int(&opts->gen, 0);
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	3795 int check_int_size = code->cur-context->bp_stub;
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	3796 code->cur = context->bp_stub;
626 7c46891a29b1 Properly handle Z80 breakpoints on self-modifying code and setting Z80 breakpoints before the Z80 program has been loaded Michael Pavone <pavone@retrodev.com> parents: 625 diff changeset	3797
7c46891a29b1 Properly handle Z80 breakpoints on self-modifying code and setting Z80 breakpoints before the Z80 program has been loaded Michael Pavone <pavone@retrodev.com> parents: 625 diff changeset	3798 //Calculate length of patch
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	3799 int patch_size = zbreakpoint_patch(context, 0, code->cur);
626 7c46891a29b1 Properly handle Z80 breakpoints on self-modifying code and setting Z80 breakpoints before the Z80 program has been loaded Michael Pavone <pavone@retrodev.com> parents: 625 diff changeset	3800
1131 136b1676109b Partial fix for Z80 debugger brokeness introduced with stack alignment changes Michael Pavone <pavone@retrodev.com> parents: 1130 diff changeset	3801 #ifdef X86_64
136b1676109b Partial fix for Z80 debugger brokeness introduced with stack alignment changes Michael Pavone <pavone@retrodev.com> parents: 1130 diff changeset	3802 code->stack_off = 8;
136b1676109b Partial fix for Z80 debugger brokeness introduced with stack alignment changes Michael Pavone <pavone@retrodev.com> parents: 1130 diff changeset	3803 #endif
136b1676109b Partial fix for Z80 debugger brokeness introduced with stack alignment changes Michael Pavone <pavone@retrodev.com> parents: 1130 diff changeset	3804 //Save context and call breakpoint handler
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	3805 call(code, opts->gen.save_context);
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	3806 push_r(code, opts->gen.scratch1);
657 92ce5ea5ffc9 Use call_args and call_args_abi in Z80 core Michael Pavone <pavone@retrodev.com> parents: 653 diff changeset	3807 call_args_abi(code, context->bp_handler, 2, opts->gen.context_reg, opts->gen.scratch1);
664 bca748422bf0 Use SZ_PTR instead of SZ_Q in Z80 core for 32-bit compat Michael Pavone <pavone@retrodev.com> parents: 663 diff changeset	3808 mov_rr(code, RAX, opts->gen.context_reg, SZ_PTR);
682 7ed1dbb48f61 Merge Michael Pavone <pavone@retrodev.com> parents: 676 559 diff changeset	3809 //Restore context
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	3810 call(code, opts->gen.load_context);
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	3811 pop_r(code, opts->gen.scratch1);
682 7ed1dbb48f61 Merge Michael Pavone <pavone@retrodev.com> parents: 676 559 diff changeset	3812 //do prologue stuff
1131 136b1676109b Partial fix for Z80 debugger brokeness introduced with stack alignment changes Michael Pavone <pavone@retrodev.com> parents: 1130 diff changeset	3813 cmp_ir(code, 1, opts->gen.cycles, SZ_D);
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	3814 uint8_t * jmp_off = code->cur+1;
1047 6b07af1515b5 Change cycle tracking code for Z80 core to only use a single register. Store low 7 bits of R in a reg and increment it appropriately. Michael Pavone <pavone@retrodev.com> parents: 1046 diff changeset	3815 jcc(code, CC_NS, code->cur + 7);
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	3816 pop_r(code, opts->gen.scratch1);
664 bca748422bf0 Use SZ_PTR instead of SZ_Q in Z80 core for 32-bit compat Michael Pavone <pavone@retrodev.com> parents: 663 diff changeset	3817 add_ir(code, check_int_size - patch_size, opts->gen.scratch1, SZ_PTR);
1224 15c5be05e6a9 Ported correct but inefficient overlapping instruction handling from 68K core to Z80 core. Fixed remaining stack alignment issue for Z80 breakpoints on 64-bit. Probably still needs fixing for 32-bit Michael Pavone <pavone@retrodev.com> parents: 1222 diff changeset	3818 #ifdef X86_64
15c5be05e6a9 Ported correct but inefficient overlapping instruction handling from 68K core to Z80 core. Fixed remaining stack alignment issue for Z80 breakpoints on 64-bit. Probably still needs fixing for 32-bit Michael Pavone <pavone@retrodev.com> parents: 1222 diff changeset	3819 sub_ir(code, 8, RSP, SZ_PTR);
15c5be05e6a9 Ported correct but inefficient overlapping instruction handling from 68K core to Z80 core. Fixed remaining stack alignment issue for Z80 breakpoints on 64-bit. Probably still needs fixing for 32-bit Michael Pavone <pavone@retrodev.com> parents: 1222 diff changeset	3820 #endif
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	3821 push_r(code, opts->gen.scratch1);
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	3822 jmp(code, opts->gen.handle_cycle_limit_int);
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	3823 *jmp_off = code->cur - (jmp_off+1);
682 7ed1dbb48f61 Merge Michael Pavone <pavone@retrodev.com> parents: 676 559 diff changeset	3824 //jump back to body of translated instruction
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	3825 pop_r(code, opts->gen.scratch1);
664 bca748422bf0 Use SZ_PTR instead of SZ_Q in Z80 core for 32-bit compat Michael Pavone <pavone@retrodev.com> parents: 663 diff changeset	3826 add_ir(code, check_int_size - patch_size, opts->gen.scratch1, SZ_PTR);
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	3827 jmp_r(code, opts->gen.scratch1);
894 a7774fc2de4b Partially working change to do proper stack alignment rather than doing a lame alignment check when calling a C compile dfunction. 68K core seems okay, but Z80 is busted. Michael Pavone <pavone@retrodev.com> parents: 884 diff changeset	3828 code->stack_off = start_stack_off;
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	3829 }
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	3830
366 836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 363 diff changeset	3831 void zinsert_breakpoint(z80_context * context, uint16_t address, uint8_t * bp_handler)
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 363 diff changeset	3832 {
626 7c46891a29b1 Properly handle Z80 breakpoints on self-modifying code and setting Z80 breakpoints before the Z80 program has been loaded Michael Pavone <pavone@retrodev.com> parents: 625 diff changeset	3833 context->bp_handler = bp_handler;
819 ab017fb09e77 Added support for an IO memory map in Z80 core Michael Pavone <pavone@retrodev.com> parents: 792 diff changeset	3834 uint8_t bit = 1 << (address % 8);
ab017fb09e77 Added support for an IO memory map in Z80 core Michael Pavone <pavone@retrodev.com> parents: 792 diff changeset	3835 if (!(bit & context->breakpoint_flags[address / 8])) {
ab017fb09e77 Added support for an IO memory map in Z80 core Michael Pavone <pavone@retrodev.com> parents: 792 diff changeset	3836 context->breakpoint_flags[address / 8] \|= bit;
626 7c46891a29b1 Properly handle Z80 breakpoints on self-modifying code and setting Z80 breakpoints before the Z80 program has been loaded Michael Pavone <pavone@retrodev.com> parents: 625 diff changeset	3837 if (!context->bp_stub) {
7c46891a29b1 Properly handle Z80 breakpoints on self-modifying code and setting Z80 breakpoints before the Z80 program has been loaded Michael Pavone <pavone@retrodev.com> parents: 625 diff changeset	3838 zcreate_stub(context);
366 836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 363 diff changeset	3839 }
626 7c46891a29b1 Properly handle Z80 breakpoints on self-modifying code and setting Z80 breakpoints before the Z80 program has been loaded Michael Pavone <pavone@retrodev.com> parents: 625 diff changeset	3840 uint8_t * native = z80_get_native_address(context, address);
7c46891a29b1 Properly handle Z80 breakpoints on self-modifying code and setting Z80 breakpoints before the Z80 program has been loaded Michael Pavone <pavone@retrodev.com> parents: 625 diff changeset	3841 if (native) {
7c46891a29b1 Properly handle Z80 breakpoints on self-modifying code and setting Z80 breakpoints before the Z80 program has been loaded Michael Pavone <pavone@retrodev.com> parents: 625 diff changeset	3842 zbreakpoint_patch(context, address, native);
7c46891a29b1 Properly handle Z80 breakpoints on self-modifying code and setting Z80 breakpoints before the Z80 program has been loaded Michael Pavone <pavone@retrodev.com> parents: 625 diff changeset	3843 }
366 836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 363 diff changeset	3844 }
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 363 diff changeset	3845 }
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	3846
366 836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 363 diff changeset	3847 void zremove_breakpoint(z80_context * context, uint16_t address)
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 363 diff changeset	3848 {
819 ab017fb09e77 Added support for an IO memory map in Z80 core Michael Pavone <pavone@retrodev.com> parents: 792 diff changeset	3849 context->breakpoint_flags[address / 8] &= ~(1 << (address % 8));
366 836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 363 diff changeset	3850 uint8_t * native = z80_get_native_address(context, address);
626 7c46891a29b1 Properly handle Z80 breakpoints on self-modifying code and setting Z80 breakpoints before the Z80 program has been loaded Michael Pavone <pavone@retrodev.com> parents: 625 diff changeset	3851 if (native) {
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	3852 z80_options * opts = context->options;
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	3853 code_info tmp_code = opts->gen.code;
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	3854 opts->gen.code.cur = native;
1131 136b1676109b Partial fix for Z80 debugger brokeness introduced with stack alignment changes Michael Pavone <pavone@retrodev.com> parents: 1130 diff changeset	3855 opts->gen.code.last = native + 128;
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	3856 check_cycles_int(&opts->gen, address);
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	3857 opts->gen.code = tmp_code;
792 724bbec47f86 Use a new fatal_error function instead of calling fprintf and exit for fatal errors. This new function more gracefully handles the case in which BlastEm was not started from a terminal or disconnected from ther terminal (Windows). Michael Pavone <pavone@retrodev.com> parents: 755 diff changeset	3858 }
366 836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 363 diff changeset	3859 }
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 363 diff changeset	3860
1427 4e5797b3935a WIP - New savestate format Michael Pavone <pavone@retrodev.com> parents: 1376 diff changeset	3861 void z80_serialize(z80_context context, serialize_buffer buf)
4e5797b3935a WIP - New savestate format Michael Pavone <pavone@retrodev.com> parents: 1376 diff changeset	3862 {
4e5797b3935a WIP - New savestate format Michael Pavone <pavone@retrodev.com> parents: 1376 diff changeset	3863 for (int i = 0; i <= Z80_A; i++)
4e5797b3935a WIP - New savestate format Michael Pavone <pavone@retrodev.com> parents: 1376 diff changeset	3864 {
4e5797b3935a WIP - New savestate format Michael Pavone <pavone@retrodev.com> parents: 1376 diff changeset	3865 save_int8(buf, context->regs[i]);
4e5797b3935a WIP - New savestate format Michael Pavone <pavone@retrodev.com> parents: 1376 diff changeset	3866 }
4e5797b3935a WIP - New savestate format Michael Pavone <pavone@retrodev.com> parents: 1376 diff changeset	3867 uint8_t f = context->flags[ZF_S];
4e5797b3935a WIP - New savestate format Michael Pavone <pavone@retrodev.com> parents: 1376 diff changeset	3868 f <<= 1;
4e5797b3935a WIP - New savestate format Michael Pavone <pavone@retrodev.com> parents: 1376 diff changeset	3869 f \|= context->flags[ZF_Z] ;
4e5797b3935a WIP - New savestate format Michael Pavone <pavone@retrodev.com> parents: 1376 diff changeset	3870 f <<= 2;
4e5797b3935a WIP - New savestate format Michael Pavone <pavone@retrodev.com> parents: 1376 diff changeset	3871 f \|= context->flags[ZF_H];
4e5797b3935a WIP - New savestate format Michael Pavone <pavone@retrodev.com> parents: 1376 diff changeset	3872 f <<= 2;
4e5797b3935a WIP - New savestate format Michael Pavone <pavone@retrodev.com> parents: 1376 diff changeset	3873 f \|= context->flags[ZF_PV];
4e5797b3935a WIP - New savestate format Michael Pavone <pavone@retrodev.com> parents: 1376 diff changeset	3874 f <<= 1;
4e5797b3935a WIP - New savestate format Michael Pavone <pavone@retrodev.com> parents: 1376 diff changeset	3875 f \|= context->flags[ZF_N];
4e5797b3935a WIP - New savestate format Michael Pavone <pavone@retrodev.com> parents: 1376 diff changeset	3876 f <<= 1;
4e5797b3935a WIP - New savestate format Michael Pavone <pavone@retrodev.com> parents: 1376 diff changeset	3877 f \|= context->flags[ZF_C];
4e5797b3935a WIP - New savestate format Michael Pavone <pavone@retrodev.com> parents: 1376 diff changeset	3878 f \|= context->flags[ZF_XY] & 0x28;
4e5797b3935a WIP - New savestate format Michael Pavone <pavone@retrodev.com> parents: 1376 diff changeset	3879 save_int8(buf, f);
4e5797b3935a WIP - New savestate format Michael Pavone <pavone@retrodev.com> parents: 1376 diff changeset	3880 for (int i = 0; i <= Z80_A; i++)
4e5797b3935a WIP - New savestate format Michael Pavone <pavone@retrodev.com> parents: 1376 diff changeset	3881 {
4e5797b3935a WIP - New savestate format Michael Pavone <pavone@retrodev.com> parents: 1376 diff changeset	3882 save_int8(buf, context->alt_regs[i]);
4e5797b3935a WIP - New savestate format Michael Pavone <pavone@retrodev.com> parents: 1376 diff changeset	3883 }
4e5797b3935a WIP - New savestate format Michael Pavone <pavone@retrodev.com> parents: 1376 diff changeset	3884 f = context->alt_flags[ZF_S];
4e5797b3935a WIP - New savestate format Michael Pavone <pavone@retrodev.com> parents: 1376 diff changeset	3885 f <<= 1;
4e5797b3935a WIP - New savestate format Michael Pavone <pavone@retrodev.com> parents: 1376 diff changeset	3886 f \|= context->alt_flags[ZF_Z] ;
4e5797b3935a WIP - New savestate format Michael Pavone <pavone@retrodev.com> parents: 1376 diff changeset	3887 f <<= 2;
4e5797b3935a WIP - New savestate format Michael Pavone <pavone@retrodev.com> parents: 1376 diff changeset	3888 f \|= context->alt_flags[ZF_H];
4e5797b3935a WIP - New savestate format Michael Pavone <pavone@retrodev.com> parents: 1376 diff changeset	3889 f <<= 2;
4e5797b3935a WIP - New savestate format Michael Pavone <pavone@retrodev.com> parents: 1376 diff changeset	3890 f \|= context->alt_flags[ZF_PV];
4e5797b3935a WIP - New savestate format Michael Pavone <pavone@retrodev.com> parents: 1376 diff changeset	3891 f <<= 1;
4e5797b3935a WIP - New savestate format Michael Pavone <pavone@retrodev.com> parents: 1376 diff changeset	3892 f \|= context->alt_flags[ZF_N];
4e5797b3935a WIP - New savestate format Michael Pavone <pavone@retrodev.com> parents: 1376 diff changeset	3893 f <<= 1;
4e5797b3935a WIP - New savestate format Michael Pavone <pavone@retrodev.com> parents: 1376 diff changeset	3894 f \|= context->alt_flags[ZF_C];
4e5797b3935a WIP - New savestate format Michael Pavone <pavone@retrodev.com> parents: 1376 diff changeset	3895 f \|= context->flags[ZF_XY] & 0x28;
4e5797b3935a WIP - New savestate format Michael Pavone <pavone@retrodev.com> parents: 1376 diff changeset	3896 save_int8(buf, f);
4e5797b3935a WIP - New savestate format Michael Pavone <pavone@retrodev.com> parents: 1376 diff changeset	3897 save_int16(buf, context->pc);
4e5797b3935a WIP - New savestate format Michael Pavone <pavone@retrodev.com> parents: 1376 diff changeset	3898 save_int16(buf, context->sp);
4e5797b3935a WIP - New savestate format Michael Pavone <pavone@retrodev.com> parents: 1376 diff changeset	3899 save_int8(buf, context->im);
4e5797b3935a WIP - New savestate format Michael Pavone <pavone@retrodev.com> parents: 1376 diff changeset	3900 save_int8(buf, context->iff1);
4e5797b3935a WIP - New savestate format Michael Pavone <pavone@retrodev.com> parents: 1376 diff changeset	3901 save_int8(buf, context->iff2);
4e5797b3935a WIP - New savestate format Michael Pavone <pavone@retrodev.com> parents: 1376 diff changeset	3902 save_int8(buf, context->int_is_nmi);
1440 7d4483944d4d Allow actually saving a save state in more Z80 states. Save busreq/reset state in bus arbiter section for "native" save states Michael Pavone <pavone@retrodev.com> parents: 1433 diff changeset	3903 save_int8(buf, context->busack);
1427 4e5797b3935a WIP - New savestate format Michael Pavone <pavone@retrodev.com> parents: 1376 diff changeset	3904 save_int32(buf, context->current_cycle);
4e5797b3935a WIP - New savestate format Michael Pavone <pavone@retrodev.com> parents: 1376 diff changeset	3905 save_int32(buf, context->int_cycle);
4e5797b3935a WIP - New savestate format Michael Pavone <pavone@retrodev.com> parents: 1376 diff changeset	3906 save_int32(buf, context->int_enable_cycle);
4e5797b3935a WIP - New savestate format Michael Pavone <pavone@retrodev.com> parents: 1376 diff changeset	3907 save_int32(buf, context->int_pulse_start);
4e5797b3935a WIP - New savestate format Michael Pavone <pavone@retrodev.com> parents: 1376 diff changeset	3908 save_int32(buf, context->int_pulse_end);
4e5797b3935a WIP - New savestate format Michael Pavone <pavone@retrodev.com> parents: 1376 diff changeset	3909 save_int32(buf, context->nmi_start);
4e5797b3935a WIP - New savestate format Michael Pavone <pavone@retrodev.com> parents: 1376 diff changeset	3910 }
4e5797b3935a WIP - New savestate format Michael Pavone <pavone@retrodev.com> parents: 1376 diff changeset	3911
4e5797b3935a WIP - New savestate format Michael Pavone <pavone@retrodev.com> parents: 1376 diff changeset	3912 void z80_deserialize(deserialize_buffer buf, void vcontext)
4e5797b3935a WIP - New savestate format Michael Pavone <pavone@retrodev.com> parents: 1376 diff changeset	3913 {
4e5797b3935a WIP - New savestate format Michael Pavone <pavone@retrodev.com> parents: 1376 diff changeset	3914 z80_context *context = vcontext;
4e5797b3935a WIP - New savestate format Michael Pavone <pavone@retrodev.com> parents: 1376 diff changeset	3915 for (int i = 0; i <= Z80_A; i++)
4e5797b3935a WIP - New savestate format Michael Pavone <pavone@retrodev.com> parents: 1376 diff changeset	3916 {
4e5797b3935a WIP - New savestate format Michael Pavone <pavone@retrodev.com> parents: 1376 diff changeset	3917 context->regs[i] = load_int8(buf);
4e5797b3935a WIP - New savestate format Michael Pavone <pavone@retrodev.com> parents: 1376 diff changeset	3918 }
4e5797b3935a WIP - New savestate format Michael Pavone <pavone@retrodev.com> parents: 1376 diff changeset	3919 uint8_t f = load_int8(buf);
4e5797b3935a WIP - New savestate format Michael Pavone <pavone@retrodev.com> parents: 1376 diff changeset	3920 context->flags[ZF_XY] = f & 0x28;
4e5797b3935a WIP - New savestate format Michael Pavone <pavone@retrodev.com> parents: 1376 diff changeset	3921 context->flags[ZF_C] = f & 1;
4e5797b3935a WIP - New savestate format Michael Pavone <pavone@retrodev.com> parents: 1376 diff changeset	3922 f >>= 1;
4e5797b3935a WIP - New savestate format Michael Pavone <pavone@retrodev.com> parents: 1376 diff changeset	3923 context->flags[ZF_N] = f & 1;
4e5797b3935a WIP - New savestate format Michael Pavone <pavone@retrodev.com> parents: 1376 diff changeset	3924 f >>= 1;
4e5797b3935a WIP - New savestate format Michael Pavone <pavone@retrodev.com> parents: 1376 diff changeset	3925 context->flags[ZF_PV] = f & 1;
4e5797b3935a WIP - New savestate format Michael Pavone <pavone@retrodev.com> parents: 1376 diff changeset	3926 f >>= 2;
4e5797b3935a WIP - New savestate format Michael Pavone <pavone@retrodev.com> parents: 1376 diff changeset	3927 context->flags[ZF_H] = f & 1;
4e5797b3935a WIP - New savestate format Michael Pavone <pavone@retrodev.com> parents: 1376 diff changeset	3928 f >>= 2;
4e5797b3935a WIP - New savestate format Michael Pavone <pavone@retrodev.com> parents: 1376 diff changeset	3929 context->flags[ZF_Z] = f & 1;
4e5797b3935a WIP - New savestate format Michael Pavone <pavone@retrodev.com> parents: 1376 diff changeset	3930 f >>= 1;
4e5797b3935a WIP - New savestate format Michael Pavone <pavone@retrodev.com> parents: 1376 diff changeset	3931 context->flags[ZF_S] = f;
4e5797b3935a WIP - New savestate format Michael Pavone <pavone@retrodev.com> parents: 1376 diff changeset	3932 for (int i = 0; i <= Z80_A; i++)
4e5797b3935a WIP - New savestate format Michael Pavone <pavone@retrodev.com> parents: 1376 diff changeset	3933 {
4e5797b3935a WIP - New savestate format Michael Pavone <pavone@retrodev.com> parents: 1376 diff changeset	3934 context->alt_regs[i] = load_int8(buf);
4e5797b3935a WIP - New savestate format Michael Pavone <pavone@retrodev.com> parents: 1376 diff changeset	3935 }
4e5797b3935a WIP - New savestate format Michael Pavone <pavone@retrodev.com> parents: 1376 diff changeset	3936 f = load_int8(buf);
4e5797b3935a WIP - New savestate format Michael Pavone <pavone@retrodev.com> parents: 1376 diff changeset	3937 context->alt_flags[ZF_XY] = f & 0x28;
4e5797b3935a WIP - New savestate format Michael Pavone <pavone@retrodev.com> parents: 1376 diff changeset	3938 context->alt_flags[ZF_C] = f & 1;
4e5797b3935a WIP - New savestate format Michael Pavone <pavone@retrodev.com> parents: 1376 diff changeset	3939 f >>= 1;
4e5797b3935a WIP - New savestate format Michael Pavone <pavone@retrodev.com> parents: 1376 diff changeset	3940 context->alt_flags[ZF_N] = f & 1;
4e5797b3935a WIP - New savestate format Michael Pavone <pavone@retrodev.com> parents: 1376 diff changeset	3941 f >>= 1;
4e5797b3935a WIP - New savestate format Michael Pavone <pavone@retrodev.com> parents: 1376 diff changeset	3942 context->alt_flags[ZF_PV] = f & 1;
4e5797b3935a WIP - New savestate format Michael Pavone <pavone@retrodev.com> parents: 1376 diff changeset	3943 f >>= 2;
4e5797b3935a WIP - New savestate format Michael Pavone <pavone@retrodev.com> parents: 1376 diff changeset	3944 context->alt_flags[ZF_H] = f & 1;
4e5797b3935a WIP - New savestate format Michael Pavone <pavone@retrodev.com> parents: 1376 diff changeset	3945 f >>= 2;
4e5797b3935a WIP - New savestate format Michael Pavone <pavone@retrodev.com> parents: 1376 diff changeset	3946 context->alt_flags[ZF_Z] = f & 1;
4e5797b3935a WIP - New savestate format Michael Pavone <pavone@retrodev.com> parents: 1376 diff changeset	3947 f >>= 1;
4e5797b3935a WIP - New savestate format Michael Pavone <pavone@retrodev.com> parents: 1376 diff changeset	3948 context->alt_flags[ZF_S] = f;
4e5797b3935a WIP - New savestate format Michael Pavone <pavone@retrodev.com> parents: 1376 diff changeset	3949 context->pc = load_int16(buf);
4e5797b3935a WIP - New savestate format Michael Pavone <pavone@retrodev.com> parents: 1376 diff changeset	3950 context->sp = load_int16(buf);
4e5797b3935a WIP - New savestate format Michael Pavone <pavone@retrodev.com> parents: 1376 diff changeset	3951 context->im = load_int8(buf);
4e5797b3935a WIP - New savestate format Michael Pavone <pavone@retrodev.com> parents: 1376 diff changeset	3952 context->iff1 = load_int8(buf);
4e5797b3935a WIP - New savestate format Michael Pavone <pavone@retrodev.com> parents: 1376 diff changeset	3953 context->iff2 = load_int8(buf);
4e5797b3935a WIP - New savestate format Michael Pavone <pavone@retrodev.com> parents: 1376 diff changeset	3954 context->int_is_nmi = load_int8(buf);
1440 7d4483944d4d Allow actually saving a save state in more Z80 states. Save busreq/reset state in bus arbiter section for "native" save states Michael Pavone <pavone@retrodev.com> parents: 1433 diff changeset	3955 context->busack = load_int8(buf);
1427 4e5797b3935a WIP - New savestate format Michael Pavone <pavone@retrodev.com> parents: 1376 diff changeset	3956 context->current_cycle = load_int32(buf);
4e5797b3935a WIP - New savestate format Michael Pavone <pavone@retrodev.com> parents: 1376 diff changeset	3957 context->int_cycle = load_int32(buf);
4e5797b3935a WIP - New savestate format Michael Pavone <pavone@retrodev.com> parents: 1376 diff changeset	3958 context->int_enable_cycle = load_int32(buf);
4e5797b3935a WIP - New savestate format Michael Pavone <pavone@retrodev.com> parents: 1376 diff changeset	3959 context->int_pulse_start = load_int32(buf);
4e5797b3935a WIP - New savestate format Michael Pavone <pavone@retrodev.com> parents: 1376 diff changeset	3960 context->int_pulse_end = load_int32(buf);
4e5797b3935a WIP - New savestate format Michael Pavone <pavone@retrodev.com> parents: 1376 diff changeset	3961 context->nmi_start = load_int32(buf);
1448 9327c1dc3791 Ensure extra_pc is NULL when resuming a save state Michael Pavone <pavone@retrodev.com> parents: 1440 diff changeset	3962 context->native_pc = context->extra_pc = NULL;
1427 4e5797b3935a WIP - New savestate format Michael Pavone <pavone@retrodev.com> parents: 1376 diff changeset	3963 }
4e5797b3935a WIP - New savestate format Michael Pavone <pavone@retrodev.com> parents: 1376 diff changeset	3964

Mercurial > repos > blastem

annotate z80_to_x86.c @ 1542:112c7af033ff nuklear_ui