repos/blastem: z80_to_x86.c annotate

annotate z80_to_x86.c @ 1051:11ff5726fd5e

Implement undocumented flag bits for block CP instructions

author	Michael Pavone <pavone@retrodev.com>
date	Fri, 29 Jul 2016 00:17:40 -0700
parents	d06c947a9a77
children	366c28ac6c55

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
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	18
315 684e71e9f0d0 Fix return address for RST Mike Pavone <pavone@retrodev.com> parents: 314 diff changeset	19 //#define DO_DEBUG_PRINT
275 1a7d0a964ad2 Implement shift instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 274 diff changeset	20
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	21 #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	22 #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	23 #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	24 #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	25 #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	26
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	27 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	28 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	29
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	30 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	31 {
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	32 uint8_t reg = (inst->reg & 0x1F);
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	33 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	34 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	35 }
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 //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	37 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	38 }
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
731 0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	40 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	41 {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	42 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	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
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	45 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	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 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	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
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	50 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	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 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	53 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	54 }
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	55 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	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
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	58 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	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 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	61 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	62 }
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	63 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	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
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	66 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	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 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	69 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	70 } else {
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_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	72 }
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	73 }
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 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	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 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	78 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	79 } else {
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_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	81 }
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	82 }
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	83
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	84 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	85 {
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	86 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	87 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	88 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	89 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	90 } 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	91 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	92 } else {
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	93 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	94 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	95 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	96 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	97 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	98 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	99 } else {
cf7ecda060c7 Properly handle instructions that use boty IYH and IYL Mike Pavone <pavone@retrodev.com> parents: 311 diff changeset	100 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	101 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	102 }
262 d97c9eca49f4 Implement ld to and from the I and R registers Mike Pavone <pavone@retrodev.com> parents: 261 diff changeset	103 } 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	104 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	105 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	106 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	107 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	108 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	109 //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	110 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	111 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	112 }
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	113 } 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	114 //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	115 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	116 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	117 }
1788e3f29c28 Don't mix H regs with the REX prefix Mike Pavone <pavone@retrodev.com>* parents: 266 diff changeset	118 }
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	119 } else {
262 d97c9eca49f4 Implement ld to and from the I and R registers Mike Pavone <pavone@retrodev.com> parents: 261 diff changeset	120 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	121 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	122 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	123 }
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	124 }
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
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	127 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	128 {
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	129 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	130 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	131 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	132 }
731 0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	133 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	134 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	135 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	136 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	137 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	138 } else {
590 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 }
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	141 } 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	142 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	143 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	144 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	145 //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	146 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	147 }
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	148 } 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	149 //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	150 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	151 }
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	152 }
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	153 }
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
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	155 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	156 {
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	157 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	158 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	159 int8_t reg;
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	160 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	161 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	162 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	163 {
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 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	165 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	166 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	167 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	168 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	169 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	170 } else {
cf7ecda060c7 Properly handle instructions that use boty IYH and IYL Mike Pavone <pavone@retrodev.com> parents: 311 diff changeset	171 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	172 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	173 }
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	174 } 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	175 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	176 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	177 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	178 #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	179 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	180 //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	181 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	182 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	183 }
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	184 #endif
267 1788e3f29c28 Don't mix H regs with the REX prefix Mike Pavone <pavone@retrodev.com>* parents: 266 diff changeset	185 }
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	186 } 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	187 ea->mode = MODE_REG_DISPLACE8;
659 759c38bf97f8 Minor Z80 core cleanup Michael Pavone <pavone@retrodev.com> parents: 657 diff changeset	188 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	189 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	190 }
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	191 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	192 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	193 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	194 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	195 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	196 if (modify) {
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	197 //push_r(code, opts->gen.scratch1);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	198 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	199 }
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	200 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	201 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	202 } else {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	203 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	204 }
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	205 }
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	206 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	207 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	208 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	209 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	210 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	211 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	212 case Z80_IMMED_INDIRECT:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	213 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	214 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	215 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	216 /*if (modify) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	217 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	218 }*/
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	219 if (size == SZ_B) {
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	220 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	221 } else {
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	222 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	223 }
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	224 }
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	225 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	226 break;
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	227 case Z80_IX_DISPLACE:
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	228 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	229 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	230 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	231 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	232 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	233 if (modify) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	234 //push_r(code, opts->gen.scratch1);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	235 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	236 }
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	237 if (size == SZ_B) {
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	238 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	239 } else {
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	240 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	241 }
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	242 }
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	243 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	244 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	245 case Z80_UNUSED:
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	246 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	247 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	248 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	249 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	250 }
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	251 }
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
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	253 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	254 {
267 1788e3f29c28 Don't mix H regs with the REX prefix Mike Pavone <pavone@retrodev.com>* parents: 266 diff changeset	255 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	256 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	257 if (inst->reg == Z80_IYL) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	258 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	259 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	260 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	261 } else {
591 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 }
267 1788e3f29c28 Don't mix H regs with the REX prefix Mike Pavone <pavone@retrodev.com>* parents: 266 diff changeset	264 } 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	265 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	266 #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	267 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	268 //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	269 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	270 }
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	271 #endif
267 1788e3f29c28 Don't mix H regs with the REX prefix Mike Pavone <pavone@retrodev.com>* parents: 266 diff changeset	272 }
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	273 }
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	274 }
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
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	276 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	277 {
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	278 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	279 {
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 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	281 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	282 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	283 case Z80_IY_DISPLACE:
1045 e0489abfdab0 Implement half-carry for INC, DEC and NEG Michael Pavone <pavone@retrodev.com> parents: 1044 diff changeset	284 if (inst->op != Z80_LD) {
e0489abfdab0 Implement half-carry for INC, DEC and NEG Michael Pavone <pavone@retrodev.com> parents: 1044 diff changeset	285 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	286 }
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	287 if (z80_size(inst) == SZ_B) {
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	288 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	289 } else {
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_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	291 }
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	292 }
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	293 }
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 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	296 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	297 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	298 };
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
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 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	301 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	302 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	303 };
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
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	305 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	306 {
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	307 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	308 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	309 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	310 (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	311 (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	312 (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	313 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	314 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	315 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	316 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	317 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	318 (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	319 (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	320 (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	321 exit(0);
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	322 }
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	323
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	324 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	325 {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	326 uint32_t num_cycles;
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	327 host_ea src_op, dst_op;
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	328 uint8_t size;
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	329 z80_options *opts = context->options;
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	330 uint8_t * start = opts->gen.code.cur;
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	331 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	332 if (!interp) {
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	333 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	334 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	335 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	336 }
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	337 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	338 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	339 #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	340 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	341 #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	342 }
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	343 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	344 {
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 case Z80_LD:
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	346 size = z80_size(inst);
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	347 switch (inst->addr_mode & 0x1F)
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	348 {
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	349 case Z80_REG:
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	350 case Z80_REG_INDIRECT:
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	351 if (size != SZ_B) {
1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	352 num_cycles += 2;
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	353 }
841 58606d16d35c Fix timing of certain variants of LD Michael Pavone <pavone@retrodev.com> parents: 840 diff changeset	354 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	355 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	356 }
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	357 break;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	358 case Z80_IMMED:
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	359 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	360 break;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	361 case Z80_IMMED_INDIRECT:
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	362 num_cycles += 6;
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	363 break;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	364 case Z80_IX_DISPLACE:
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	365 case Z80_IY_DISPLACE:
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	366 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	367 break;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	368 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	369 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	370 if (inst->addr_mode & Z80_DIR) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	371 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	372 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	373 } else {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	374 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	375 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	376 }
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	377 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	378 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	379 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	380 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	381 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	382 } 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	383 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	384 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	385 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	386 } 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	387 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	388 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	389 } else {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	390 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	391 }
d97c9eca49f4 Implement ld to and from the I and R registers Mike Pavone <pavone@retrodev.com> parents: 261 diff changeset	392 } 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	393 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	394 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	395 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	396 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	397 }
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	398 } else {
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	399 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	400 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	401 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	402 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	403 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	404 }
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	405 }
842 ba93a3941300 Set flags for ld a, r Michael Pavone <pavone@retrodev.com> parents: 841 diff changeset	406 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	407 //ld a, i and ld a, r sets some flags
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	408 cmp_ir(code, 0, dst_op.base, SZ_B);
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	409 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	410 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	411 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	412 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	413 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	414 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	415 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	416 z80_save_reg(inst, opts);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	417 z80_save_ea(code, inst, opts);
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	418 if (inst->addr_mode & Z80_DIR) {
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	419 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	420 }
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	421 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	422 case Z80_PUSH:
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	423 cycles(&opts->gen, num_cycles + 1);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	424 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	425 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	426 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	427 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	428 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	429 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	430 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	431 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	432 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	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_PV), 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, 2, opts->gen.scratch1, SZ_B);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	436 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	437 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	438 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	439 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	440 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	441 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	442 } 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	443 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	444 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	445 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	446 call(code, opts->write_16_highfirst);
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	447 //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	448 //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	449 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	450 case Z80_POP:
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	451 cycles(&opts->gen, num_cycles);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	452 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	453 call(code, opts->read_16);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	454 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	455 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	456
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	457 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	458 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	459 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	460 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	461 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	462 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	463 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	464 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	465 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	466 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	467 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	468 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	469 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	470 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	471 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	472 } 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	473 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	474 }
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	475 //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	476 //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	477 break;
241 2586d49ddd46 Implement EX, EXX and RST in Z80 core Mike Pavone <pavone@retrodev.com> parents: 239 diff changeset	478 case Z80_EX:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	479 cycles(&opts->gen, num_cycles);
241 2586d49ddd46 Implement EX, EXX and RST in Z80 core Mike Pavone <pavone@retrodev.com> parents: 239 diff changeset	480 if (inst->addr_mode == Z80_REG) {
2586d49ddd46 Implement EX, EXX and RST in Z80 core Mike Pavone <pavone@retrodev.com> parents: 239 diff changeset	481 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	482 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	483 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	484 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	485 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	486
241 2586d49ddd46 Implement EX, EXX and RST in Z80 core Mike Pavone <pavone@retrodev.com> parents: 239 diff changeset	487 //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	488 //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	489 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	490 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	491 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	492 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	493 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	494 }
2586d49ddd46 Implement EX, EXX and RST in Z80 core Mike Pavone <pavone@retrodev.com> parents: 239 diff changeset	495 } 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	496 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	497 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	498 } 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	499 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	500 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	501 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	502 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	503 }
241 2586d49ddd46 Implement EX, EXX and RST in Z80 core Mike Pavone <pavone@retrodev.com> parents: 239 diff changeset	504 }
2586d49ddd46 Implement EX, EXX and RST in Z80 core Mike Pavone <pavone@retrodev.com> parents: 239 diff changeset	505 } else {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	506 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	507 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	508 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	509 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	510 } 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	511 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	512 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	513 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	514 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	515 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	516 call(code, opts->write_8);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	517 cycles(&opts->gen, 1);
241 2586d49ddd46 Implement EX, EXX and RST in Z80 core Mike Pavone <pavone@retrodev.com> parents: 239 diff changeset	518 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	519 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	520 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	521 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	522 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	523 //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	524 //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	525 //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	526 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	527 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	528 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	529 //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	530 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	531 } 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	532 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	533 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	534 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	535 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	536 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	537 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	538 call(code, opts->write_8);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	539 cycles(&opts->gen, 2);
241 2586d49ddd46 Implement EX, EXX and RST in Z80 core Mike Pavone <pavone@retrodev.com> parents: 239 diff changeset	540 }
2586d49ddd46 Implement EX, EXX and RST in Z80 core Mike Pavone <pavone@retrodev.com> parents: 239 diff changeset	541 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	542 case Z80_EXX:
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	543 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	544 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	545 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	546 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	547 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	548
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	549 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	550 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	551 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	552 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	553
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	554 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	555 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	556 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	557 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	558 break;
272 9b04b57434b5 Implement LDI Mike Pavone <pavone@retrodev.com> parents: 269 diff changeset	559 case Z80_LDI: {
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	560 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	561 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	562 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	563 zreg_to_native(opts, Z80_DE, opts->gen.scratch2);
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	564 call(code, opts->write_8);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	565 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	566 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	567 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	568 } 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	569 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	570 }
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	571 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	572 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	573 } 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	574 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	575 }
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_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	577 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	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 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	580 }
821 21a69dfb6ee7 Implement half carry for a couple of the trivial cases Michael Pavone <pavone@retrodev.com> parents: 819 diff changeset	581 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	582 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	583 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	584 break;
9b04b57434b5 Implement LDI Mike Pavone <pavone@retrodev.com> parents: 269 diff changeset	585 }
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	586 case Z80_LDIR: {
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	587 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	588 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	589 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	590 zreg_to_native(opts, Z80_DE, opts->gen.scratch2);
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	591 call(code, opts->write_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	592 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	593 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	594 } 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	595 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	596 }
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	597 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	598 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	599 } 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	600 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	601 }
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	602 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	603 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	604 } 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	605 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	606 }
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	607 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	608 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	609 uint8_t * cont = code->cur+1;
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	610 jcc(code, CC_Z, code->cur+2);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	611 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	612 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	613 jmp(code, start);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	614 *cont = code->cur - (cont + 1);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	615 cycles(&opts->gen, 2);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	616 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	617 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	618 }
273 719b9fea2fe9 Implement LDD and LDDR Mike Pavone <pavone@retrodev.com> parents: 272 diff changeset	619 case Z80_LDD: {
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	620 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	621 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	622 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	623 zreg_to_native(opts, Z80_DE, opts->gen.scratch2);
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	624 call(code, opts->write_8);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	625 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	626 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	627 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	628 } 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	629 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	630 }
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	631 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	632 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	633 } 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	634 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	635 }
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	636 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	637 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	638 } 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	639 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	640 }
821 21a69dfb6ee7 Implement half carry for a couple of the trivial cases Michael Pavone <pavone@retrodev.com> parents: 819 diff changeset	641 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	642 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	643 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	644 break;
719b9fea2fe9 Implement LDD and LDDR Mike Pavone <pavone@retrodev.com> parents: 272 diff changeset	645 }
719b9fea2fe9 Implement LDD and LDDR Mike Pavone <pavone@retrodev.com> parents: 272 diff changeset	646 case Z80_LDDR: {
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	647 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	648 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	649 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	650 zreg_to_native(opts, Z80_DE, opts->gen.scratch2);
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	651 call(code, opts->write_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	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 }
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	667 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	668 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	669 uint8_t * cont = code->cur+1;
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	670 jcc(code, CC_Z, code->cur+2);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	671 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	672 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	673 jmp(code, start);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	674 *cont = code->cur - (cont + 1);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	675 cycles(&opts->gen, 2);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	676 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	677 break;
719b9fea2fe9 Implement LDD and LDDR Mike Pavone <pavone@retrodev.com> parents: 272 diff changeset	678 }
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	679 case Z80_CPI:
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	680 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	681 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	682 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	683 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	684 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	685 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	686 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	687 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	688 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	689 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	690 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	691 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	692 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	693 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	694 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	695 } 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	696 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	697 }
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	698 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	699 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	700 } 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	701 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	702 }
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	703 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	704 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	705 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	706 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	707 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	708 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	709 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	710 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	711 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	712 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	713 case Z80_CPIR: {
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 }
1051 11ff5726fd5e Implement undocumented flag bits for block CP instructions Michael Pavone <pavone@retrodev.com> parents: 1050 diff changeset	732 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	733 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	734 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	735 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	736 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	737 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	738 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	739 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	740 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	741 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	742 } 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	743 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	744 }
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	745 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	746 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	747 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	748 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	749 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	750 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	751 //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	752 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	753 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	754 *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	755 *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	756 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	757 }
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	758 case Z80_CPD:
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	759 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	760 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	761 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	762 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	763 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	764 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	765 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	766 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	767 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	768 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	769 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	770 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	771 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	772 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	773 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	774 } 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	775 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	776 }
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 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	778 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	779 } 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	780 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	781 }
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 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	783 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	784 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	785 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	786 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	787 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	788 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	789 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	790 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	791 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	792 case Z80_CPDR: {
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 }
1051 11ff5726fd5e Implement undocumented flag bits for block CP instructions Michael Pavone <pavone@retrodev.com> parents: 1050 diff changeset	811 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	812 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	813 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	814 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	815 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	816 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	817 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	818 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	819 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	820 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	821 } 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	822 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	823 }
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	824 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	825 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	826 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	827 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	828 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	829 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	830 //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	831 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	832 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	833 *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	834 *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	835 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	836 }
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	837 case Z80_ADD:
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	838 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	839 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	840 } 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	841 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	842 } 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	843 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	844 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	845 cycles(&opts->gen, num_cycles);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	846 translate_z80_reg(inst, &dst_op, opts);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	847 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	848 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	849 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	850 } 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	851 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	852 }
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	853 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	854 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	855 } 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	856 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	857 } 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	858 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	859 }
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	860 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	861 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	862 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	863 } 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	864 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	865 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	866 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	867 }
1049 ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	868 if (z80_size(inst) == SZ_B) {
ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	869 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	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 } else {
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	872 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	873 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	874 } 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	875 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	876 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	877 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	878 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	879 }
1049 ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	880 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	881 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	882 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	883 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	884 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	885 if (z80_size(inst) == SZ_B) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	886 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	887 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	888 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	889 }
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	890 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	891 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	892 } 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	893 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	894 }
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	895 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	896 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	897 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	898 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	899 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	900 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	901 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	902 z80_save_reg(inst, opts);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	903 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	904 break;
248 9c7a3db7bcd0 Implement ADC and SBC in Z80 core (untested) Mike Pavone <pavone@retrodev.com> parents: 247 diff changeset	905 case Z80_ADC:
9c7a3db7bcd0 Implement ADC and SBC in Z80 core (untested) Mike Pavone <pavone@retrodev.com> parents: 247 diff changeset	906 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	907 num_cycles += 8;
248 9c7a3db7bcd0 Implement ADC and SBC in Z80 core (untested) Mike Pavone <pavone@retrodev.com> parents: 247 diff changeset	908 } 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	909 num_cycles += 3;
248 9c7a3db7bcd0 Implement ADC and SBC in Z80 core (untested) Mike Pavone <pavone@retrodev.com> parents: 247 diff changeset	910 } 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	911 num_cycles += 4;
248 9c7a3db7bcd0 Implement ADC and SBC in Z80 core (untested) Mike Pavone <pavone@retrodev.com> parents: 247 diff changeset	912 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	913 cycles(&opts->gen, num_cycles);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	914 translate_z80_reg(inst, &dst_op, opts);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	915 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	916 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	917 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	918 } 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	919 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	920 }
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	921 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	922 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	923 } 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	924 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	925 } 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	926 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	927 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	928 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	929 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	930 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	931 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	932 } 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	933 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	934 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	935 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	936 }
1049 ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	937 if (z80_size(inst) == SZ_B) {
ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	938 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	939 }
248 9c7a3db7bcd0 Implement ADC and SBC in Z80 core (untested) Mike Pavone <pavone@retrodev.com> parents: 247 diff changeset	940 } else {
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	941 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	942 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	943 } 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	944 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	945 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	946 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	947 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	948 }
1049 ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	949 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	950 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	951 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	952 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	953 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	954 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	955 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	956 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	957 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	958 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	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, 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	961 }
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	962 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	963 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	964 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	965 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	966 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	967 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	968 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	969 z80_save_reg(inst, opts);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	970 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	971 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	972 case Z80_SUB:
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	973 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	974 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	975 } 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	976 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	977 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	978 cycles(&opts->gen, num_cycles);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	979 translate_z80_reg(inst, &dst_op, opts);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	980 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	981 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	982 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	983 } 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	984 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	985 }
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	986 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	987 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	988 } 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	989 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	990 } 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	991 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	992 }
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 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	994 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	995 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	996 } 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	997 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	998 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	999 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	1000 }
1049 ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	1001 if (z80_size(inst) == SZ_B) {
ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	1002 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	1003 }
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	1004 } else {
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1005 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	1006 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	1007 } 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	1008 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	1009 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1010 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	1011 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	1012 }
1049 ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	1013 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	1014 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	1015 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1016 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	1017 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	1018 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	1019 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	1020 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	1021 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	1022 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	1023 } 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	1024 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	1025 }
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 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	1027 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	1028 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	1029 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	1030 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	1031 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	1032 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1033 z80_save_reg(inst, opts);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1034 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	1035 break;
248 9c7a3db7bcd0 Implement ADC and SBC in Z80 core (untested) Mike Pavone <pavone@retrodev.com> parents: 247 diff changeset	1036 case Z80_SBC:
9c7a3db7bcd0 Implement ADC and SBC in Z80 core (untested) Mike Pavone <pavone@retrodev.com> parents: 247 diff changeset	1037 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	1038 num_cycles += 8;
248 9c7a3db7bcd0 Implement ADC and SBC in Z80 core (untested) Mike Pavone <pavone@retrodev.com> parents: 247 diff changeset	1039 } 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	1040 num_cycles += 3;
248 9c7a3db7bcd0 Implement ADC and SBC in Z80 core (untested) Mike Pavone <pavone@retrodev.com> parents: 247 diff changeset	1041 } 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	1042 num_cycles += 4;
248 9c7a3db7bcd0 Implement ADC and SBC in Z80 core (untested) Mike Pavone <pavone@retrodev.com> parents: 247 diff changeset	1043 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1044 cycles(&opts->gen, num_cycles);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1045 translate_z80_reg(inst, &dst_op, opts);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1046 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	1047 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	1048 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	1049 } 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	1050 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	1051 }
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	1052 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	1053 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	1054 } 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	1055 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	1056 } 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	1057 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	1058 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1059 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	1060 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	1061 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	1062 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	1063 } 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	1064 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	1065 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1066 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	1067 }
1049 ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	1068 if (z80_size(inst) == SZ_B) {
ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	1069 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	1070 }
248 9c7a3db7bcd0 Implement ADC and SBC in Z80 core (untested) Mike Pavone <pavone@retrodev.com> parents: 247 diff changeset	1071 } else {
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1072 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	1073 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	1074 } 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	1075 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	1076 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1077 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	1078 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	1079 }
1049 ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	1080 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	1081 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	1082 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1083 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	1084 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	1085 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	1086 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	1087 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	1088 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	1089 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	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, 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	1092 }
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	1093 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	1094 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	1095 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	1096 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	1097 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	1098 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	1099 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1100 z80_save_reg(inst, opts);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1101 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	1102 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	1103 case Z80_AND:
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1104 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	1105 num_cycles += 8;
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1106 } 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	1107 num_cycles += 3;
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1108 } 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	1109 num_cycles += 4;
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1110 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1111 cycles(&opts->gen, num_cycles);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1112 translate_z80_reg(inst, &dst_op, opts);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1113 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	1114 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	1115 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	1116 } 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	1117 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	1118 } else {
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1119 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	1120 }
1049 ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	1121 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	1122 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	1123 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	1124 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	1125 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	1126 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	1127 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	1128 z80_save_reg(inst, opts);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1129 z80_save_ea(code, inst, opts);
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1130 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	1131 case Z80_OR:
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1132 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	1133 num_cycles += 8;
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1134 } 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	1135 num_cycles += 3;
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1136 } 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	1137 num_cycles += 4;
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1138 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1139 cycles(&opts->gen, num_cycles);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1140 translate_z80_reg(inst, &dst_op, opts);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1141 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	1142 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	1143 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	1144 } 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	1145 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	1146 } else {
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1147 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	1148 }
1049 ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	1149 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	1150 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	1151 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	1152 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	1153 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	1154 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	1155 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	1156 z80_save_reg(inst, opts);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1157 z80_save_ea(code, inst, opts);
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1158 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	1159 case Z80_XOR:
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1160 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	1161 num_cycles += 8;
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1162 } 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	1163 num_cycles += 3;
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1164 } 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	1165 num_cycles += 4;
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1166 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1167 cycles(&opts->gen, num_cycles);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1168 translate_z80_reg(inst, &dst_op, opts);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1169 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	1170 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	1171 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	1172 } 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	1173 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	1174 } else {
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1175 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	1176 }
1049 ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	1177 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	1178 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	1179 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	1180 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	1181 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	1182 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	1183 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	1184 z80_save_reg(inst, opts);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1185 z80_save_ea(code, inst, opts);
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1186 break;
242 d3b84b2a4397 Implemente CP (untested) Mike Pavone <pavone@retrodev.com> parents: 241 diff changeset	1187 case Z80_CP:
d3b84b2a4397 Implemente CP (untested) Mike Pavone <pavone@retrodev.com> parents: 241 diff changeset	1188 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	1189 num_cycles += 8;
242 d3b84b2a4397 Implemente CP (untested) Mike Pavone <pavone@retrodev.com> parents: 241 diff changeset	1190 } 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	1191 num_cycles += 3;
242 d3b84b2a4397 Implemente CP (untested) Mike Pavone <pavone@retrodev.com> parents: 241 diff changeset	1192 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1193 cycles(&opts->gen, num_cycles);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1194 translate_z80_reg(inst, &dst_op, opts);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1195 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	1196 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	1197 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	1198 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	1199 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	1200 } 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	1201 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	1202 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	1203 } 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	1204 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	1205 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	1206 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	1207 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1208 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	1209 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	1210 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	1211 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	1212 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	1213 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	1214 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	1215 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	1216 } 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	1217 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	1218 } 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	1219 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	1220 }
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC! Michael Pavone <pavone@retrodev.com> parents: 1045 diff changeset	1221 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	1222 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	1223 z80_save_reg(inst, opts);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1224 z80_save_ea(code, inst, opts);
242 d3b84b2a4397 Implemente CP (untested) Mike Pavone <pavone@retrodev.com> parents: 241 diff changeset	1225 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	1226 case Z80_INC:
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1227 case Z80_DEC:
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	1228 if(z80_size(inst) == SZ_W) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1229 num_cycles += 2;
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1230 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1231 cycles(&opts->gen, num_cycles);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1232 translate_z80_reg(inst, &dst_op, opts);
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1233 if (dst_op.mode == MODE_UNUSED) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1234 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	1235 }
1045 e0489abfdab0 Implement half-carry for INC, DEC and NEG Michael Pavone <pavone@retrodev.com> parents: 1044 diff changeset	1236 if (z80_size(inst) == SZ_B) {
e0489abfdab0 Implement half-carry for INC, DEC and NEG Michael Pavone <pavone@retrodev.com> parents: 1044 diff changeset	1237 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	1238 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	1239 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	1240 } else {
e0489abfdab0 Implement half-carry for INC, DEC and NEG Michael Pavone <pavone@retrodev.com> parents: 1044 diff changeset	1241 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	1242 }
e0489abfdab0 Implement half-carry for INC, DEC and NEG Michael Pavone <pavone@retrodev.com> parents: 1044 diff changeset	1243 } else {
e0489abfdab0 Implement half-carry for INC, DEC and NEG Michael Pavone <pavone@retrodev.com> parents: 1044 diff changeset	1244 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	1245 }
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1246 }
1045 e0489abfdab0 Implement half-carry for INC, DEC and NEG Michael Pavone <pavone@retrodev.com> parents: 1044 diff changeset	1247 if (inst->op == Z80_INC) {
e0489abfdab0 Implement half-carry for INC, DEC and NEG Michael Pavone <pavone@retrodev.com> parents: 1044 diff changeset	1248 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	1249 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	1250 } else {
e0489abfdab0 Implement half-carry for INC, DEC and NEG Michael Pavone <pavone@retrodev.com> parents: 1044 diff changeset	1251 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	1252 }
e0489abfdab0 Implement half-carry for INC, DEC and NEG Michael Pavone <pavone@retrodev.com> parents: 1044 diff changeset	1253 } else {
e0489abfdab0 Implement half-carry for INC, DEC and NEG Michael Pavone <pavone@retrodev.com> parents: 1044 diff changeset	1254 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	1255 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	1256 } else {
e0489abfdab0 Implement half-carry for INC, DEC and NEG Michael Pavone <pavone@retrodev.com> parents: 1044 diff changeset	1257 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	1258 }
e0489abfdab0 Implement half-carry for INC, DEC and NEG Michael Pavone <pavone@retrodev.com> parents: 1044 diff changeset	1259 }
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1260 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	1261 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	1262 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	1263 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	1264 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	1265 int bit = 4;
e0489abfdab0 Implement half-carry for INC, DEC and NEG Michael Pavone <pavone@retrodev.com> parents: 1044 diff changeset	1266 if (dst_op.mode == MODE_REG_DIRECT) {
1049 ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	1267 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	1268 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	1269 bit = 12;
e0489abfdab0 Implement half-carry for INC, DEC and NEG Michael Pavone <pavone@retrodev.com> parents: 1044 diff changeset	1270 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	1271 } else {
e0489abfdab0 Implement half-carry for INC, DEC and NEG Michael Pavone <pavone@retrodev.com> parents: 1044 diff changeset	1272 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	1273 }
e0489abfdab0 Implement half-carry for INC, DEC and NEG Michael Pavone <pavone@retrodev.com> parents: 1044 diff changeset	1274 } else {
1049 ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	1275 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	1276 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	1277 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	1278 }
e0489abfdab0 Implement half-carry for INC, DEC and NEG Michael Pavone <pavone@retrodev.com> parents: 1044 diff changeset	1279 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	1280 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	1281 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1282 z80_save_reg(inst, opts);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1283 z80_save_ea(code, inst, opts);
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	1284 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	1285 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	1286 case Z80_DAA: {
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	1287 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	1288 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	1289 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	1290 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	1291 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	1292 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	1293 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	1294 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	1295 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	1296 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	1297 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	1298 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	1299 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	1300
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	1301 *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	1302 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	1303 *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	1304 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	1305
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	1306 *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	1307 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	1308 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	1309 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	1310 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	1311 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	1312 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	1313 *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	1314 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	1315 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	1316 *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	1317
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	1318 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	1319 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	1320
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	1321 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	1322 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	1323 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	1324 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	1325 *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	1326
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	1327 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	1328 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	1329 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	1330 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	1331 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	1332 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	1333 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	1334 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	1335 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	1336 }
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	1337 case Z80_CPL:
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	1338 cycles(&opts->gen, num_cycles);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1339 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	1340 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	1341 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	1342 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	1343 break;
be2b845d3e94 Implement CPL and NEG (untested) Mike Pavone <pavone@retrodev.com> parents: 273 diff changeset	1344 case Z80_NEG:
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	1345 cycles(&opts->gen, num_cycles);
1045 e0489abfdab0 Implement half-carry for INC, DEC and NEG Michael Pavone <pavone@retrodev.com> parents: 1044 diff changeset	1346 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	1347 neg_r(code, opts->regs[Z80_A], SZ_B);
1049 ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	1348 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	1349 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	1350 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	1351 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	1352 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	1353 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	1354 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	1355 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	1356 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	1357 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	1358 case Z80_CCF:
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	1359 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	1360 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	1361 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	1362 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	1363 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	1364 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	1365 break;
4c7933444df4 Implement CCF and SCF Mike Pavone <pavone@retrodev.com> parents: 255 diff changeset	1366 case Z80_SCF:
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	1367 cycles(&opts->gen, num_cycles);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1368 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	1369 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	1370 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	1371 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	1372 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	1373 case Z80_NOP:
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	1374 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	1375 break;
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	1376 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	1377 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	1378 //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	1379 cycles(&opts->gen, num_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	1380 check_cycles_int(&opts->gen, address);
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	1381 jmp(code, loop_top);
285 021aeb6df19b Implement HALT (sort of tested) Mike Pavone <pavone@retrodev.com> parents: 284 diff changeset	1382 break;
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	1383 }
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	1384 case Z80_DI:
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	1385 cycles(&opts->gen, num_cycles);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1386 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	1387 mov_irdisp(code, 0, opts->gen.context_reg, offsetof(z80_context, iff2), 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	1388 add_rdispr(code, opts->gen.context_reg, offsetof(z80_context, target_cycle), 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	1389 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	1390 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	1391 mov_rrdisp(code, opts->gen.scratch1, opts->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	1392 sub_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	1393 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	1394 case Z80_EI:
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	1395 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	1396 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	1397 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	1398 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	1399 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	1400 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	1401 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	1402 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	1403 //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	1404 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	1405 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	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_IM:
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	1408 cycles(&opts->gen, num_cycles);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1409 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	1410 break;
247 682e505f5757 Implement rotation and bit set/reset instructions (untested). Mike Pavone <pavone@retrodev.com> parents: 246 diff changeset	1411 case Z80_RLC:
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	1412 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	1413 num_cycles += 8;
1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	1414 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1415 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	1416 if (inst->addr_mode != Z80_UNUSED) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1417 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	1418 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	1419 cycles(&opts->gen, 1);
247 682e505f5757 Implement rotation and bit set/reset instructions (untested). Mike Pavone <pavone@retrodev.com> parents: 246 diff changeset	1420 } else {
302 3b831fe32c15 More fixes for confusion between Z80_UNUSED and MODE_UNUSED Mike Pavone <pavone@retrodev.com> parents: 301 diff changeset	1421 src_op.mode = MODE_UNUSED;
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1422 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	1423 }
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1424 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	1425 rol_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	1426 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1427 rol_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	1428 }
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1429 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	1430 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	1431 } 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	1432 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	1433 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1434 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	1435 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	1436 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	1437 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	1438 //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	1439 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	1440 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	1441 } else {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1442 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	1443 }
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1444 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	1445 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	1446 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	1447 }
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	1448 if (inst->addr_mode != Z80_UNUSED) {
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	1449 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	1450 if (src_op.mode != MODE_UNUSED) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1451 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	1452 }
247 682e505f5757 Implement rotation and bit set/reset instructions (untested). Mike Pavone <pavone@retrodev.com> parents: 246 diff changeset	1453 } else {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1454 z80_save_reg(inst, opts);
247 682e505f5757 Implement rotation and bit set/reset instructions (untested). Mike Pavone <pavone@retrodev.com> parents: 246 diff changeset	1455 }
682e505f5757 Implement rotation and bit set/reset instructions (untested). Mike Pavone <pavone@retrodev.com> parents: 246 diff changeset	1456 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	1457 case Z80_RL:
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	1458 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	1459 num_cycles += 8;
1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	1460 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1461 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	1462 if (inst->addr_mode != Z80_UNUSED) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1463 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	1464 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	1465 cycles(&opts->gen, 1);
247 682e505f5757 Implement rotation and bit set/reset instructions (untested). Mike Pavone <pavone@retrodev.com> parents: 246 diff changeset	1466 } else {
302 3b831fe32c15 More fixes for confusion between Z80_UNUSED and MODE_UNUSED Mike Pavone <pavone@retrodev.com> parents: 301 diff changeset	1467 src_op.mode = MODE_UNUSED;
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1468 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	1469 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1470 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	1471 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	1472 rcl_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	1473 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1474 rcl_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	1475 }
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1476 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	1477 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	1478 } 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	1479 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	1480 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1481 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	1482 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	1483 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	1484 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	1485 //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	1486 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	1487 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	1488 } else {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1489 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	1490 }
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1491 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	1492 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	1493 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	1494 }
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	1495 if (inst->addr_mode != Z80_UNUSED) {
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	1496 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	1497 if (src_op.mode != MODE_UNUSED) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1498 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	1499 }
247 682e505f5757 Implement rotation and bit set/reset instructions (untested). Mike Pavone <pavone@retrodev.com> parents: 246 diff changeset	1500 } else {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1501 z80_save_reg(inst, opts);
247 682e505f5757 Implement rotation and bit set/reset instructions (untested). Mike Pavone <pavone@retrodev.com> parents: 246 diff changeset	1502 }
682e505f5757 Implement rotation and bit set/reset instructions (untested). Mike Pavone <pavone@retrodev.com> parents: 246 diff changeset	1503 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	1504 case Z80_RRC:
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	1505 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	1506 num_cycles += 8;
1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	1507 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1508 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	1509 if (inst->addr_mode != Z80_UNUSED) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1510 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	1511 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	1512 cycles(&opts->gen, 1);
247 682e505f5757 Implement rotation and bit set/reset instructions (untested). Mike Pavone <pavone@retrodev.com> parents: 246 diff changeset	1513 } else {
302 3b831fe32c15 More fixes for confusion between Z80_UNUSED and MODE_UNUSED Mike Pavone <pavone@retrodev.com> parents: 301 diff changeset	1514 src_op.mode = MODE_UNUSED;
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1515 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	1516 }
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1517 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	1518 ror_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	1519 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1520 ror_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	1521 }
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1522 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	1523 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	1524 } 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	1525 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	1526 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1527 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	1528 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	1529 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	1530 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	1531 //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	1532 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	1533 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	1534 } else {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1535 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	1536 }
730 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_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	1538 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	1539 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	1540 }
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	1541 if (inst->addr_mode != Z80_UNUSED) {
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	1542 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	1543 if (src_op.mode != MODE_UNUSED) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1544 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	1545 }
247 682e505f5757 Implement rotation and bit set/reset instructions (untested). Mike Pavone <pavone@retrodev.com> parents: 246 diff changeset	1546 } else {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1547 z80_save_reg(inst, opts);
247 682e505f5757 Implement rotation and bit set/reset instructions (untested). Mike Pavone <pavone@retrodev.com> parents: 246 diff changeset	1548 }
682e505f5757 Implement rotation and bit set/reset instructions (untested). Mike Pavone <pavone@retrodev.com> parents: 246 diff changeset	1549 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	1550 case Z80_RR:
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	1551 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	1552 num_cycles += 8;
1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	1553 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1554 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	1555 if (inst->addr_mode != Z80_UNUSED) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1556 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	1557 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	1558 cycles(&opts->gen, 1);
247 682e505f5757 Implement rotation and bit set/reset instructions (untested). Mike Pavone <pavone@retrodev.com> parents: 246 diff changeset	1559 } else {
302 3b831fe32c15 More fixes for confusion between Z80_UNUSED and MODE_UNUSED Mike Pavone <pavone@retrodev.com> parents: 301 diff changeset	1560 src_op.mode = MODE_UNUSED;
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1561 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	1562 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1563 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	1564 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	1565 rcr_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	1566 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1567 rcr_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	1568 }
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1569 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	1570 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	1571 } 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	1572 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	1573 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1574 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	1575 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	1576 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	1577 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	1578 //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	1579 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	1580 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	1581 } else {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1582 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	1583 }
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1584 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	1585 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	1586 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	1587 }
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	1588 if (inst->addr_mode != Z80_UNUSED) {
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	1589 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	1590 if (src_op.mode != MODE_UNUSED) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1591 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	1592 }
247 682e505f5757 Implement rotation and bit set/reset instructions (untested). Mike Pavone <pavone@retrodev.com> parents: 246 diff changeset	1593 } else {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1594 z80_save_reg(inst, opts);
247 682e505f5757 Implement rotation and bit set/reset instructions (untested). Mike Pavone <pavone@retrodev.com> parents: 246 diff changeset	1595 }
682e505f5757 Implement rotation and bit set/reset instructions (untested). Mike Pavone <pavone@retrodev.com> parents: 246 diff changeset	1596 break;
275 1a7d0a964ad2 Implement shift instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 274 diff changeset	1597 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	1598 case Z80_SLL:
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);
275 1a7d0a964ad2 Implement shift instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 274 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);
275 1a7d0a964ad2 Implement shift instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 274 diff changeset	1610 }
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1611 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	1612 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	1613 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1614 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	1615 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1616 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	1617 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	1618 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	1619 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	1620 } else {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1621 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	1622 }
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	1623 }
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1624 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	1625 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	1626 } 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	1627 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	1628 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1629 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	1630 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	1631 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	1632 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	1633 } else {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1634 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	1635 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1636 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	1637 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	1638 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	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 }
275 1a7d0a964ad2 Implement shift instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 274 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);
275 1a7d0a964ad2 Implement shift instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 274 diff changeset	1646 }
1a7d0a964ad2 Implement shift instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 274 diff changeset	1647 break;
1a7d0a964ad2 Implement shift instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 274 diff changeset	1648 case Z80_SRA:
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	1649 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	1650 num_cycles += 8;
1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	1651 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1652 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	1653 if (inst->addr_mode != Z80_UNUSED) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1654 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	1655 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	1656 cycles(&opts->gen, 1);
275 1a7d0a964ad2 Implement shift instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 274 diff changeset	1657 } else {
302 3b831fe32c15 More fixes for confusion between Z80_UNUSED and MODE_UNUSED Mike Pavone <pavone@retrodev.com> parents: 301 diff changeset	1658 src_op.mode = MODE_UNUSED;
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1659 translate_z80_reg(inst, &dst_op, opts);
275 1a7d0a964ad2 Implement shift instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 274 diff changeset	1660 }
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1661 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	1662 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	1663 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1664 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	1665 }
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1666 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	1667 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	1668 } 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	1669 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	1670 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1671 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	1672 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	1673 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	1674 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	1675 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	1676 } else {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1677 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	1678 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1679 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	1680 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	1681 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	1682 if (inst->addr_mode != Z80_UNUSED) {
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	1683 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	1684 if (src_op.mode != MODE_UNUSED) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1685 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	1686 }
275 1a7d0a964ad2 Implement shift instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 274 diff changeset	1687 } else {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1688 z80_save_reg(inst, opts);
275 1a7d0a964ad2 Implement shift instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 274 diff changeset	1689 }
1a7d0a964ad2 Implement shift instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 274 diff changeset	1690 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	1691 case Z80_SRL:
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	1692 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	1693 num_cycles += 8;
1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	1694 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1695 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	1696 if (inst->addr_mode != Z80_UNUSED) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1697 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	1698 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	1699 cycles(&opts->gen, 1);
275 1a7d0a964ad2 Implement shift instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 274 diff changeset	1700 } else {
302 3b831fe32c15 More fixes for confusion between Z80_UNUSED and MODE_UNUSED Mike Pavone <pavone@retrodev.com> parents: 301 diff changeset	1701 src_op.mode = MODE_UNUSED;
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1702 translate_z80_reg(inst, &dst_op, opts);
275 1a7d0a964ad2 Implement shift instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 274 diff changeset	1703 }
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1704 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	1705 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	1706 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1707 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	1708 }
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1709 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	1710 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	1711 } 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	1712 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	1713 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1714 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	1715 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	1716 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	1717 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	1718 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	1719 } else {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1720 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	1721 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1722 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	1723 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	1724 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	1725 if (inst->addr_mode != Z80_UNUSED) {
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	1726 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	1727 if (src_op.mode != MODE_UNUSED) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1728 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	1729 }
275 1a7d0a964ad2 Implement shift instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 274 diff changeset	1730 } else {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1731 z80_save_reg(inst, opts);
275 1a7d0a964ad2 Implement shift instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 274 diff changeset	1732 }
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	1733 break;
286 872a8911e0f4 Implemente RLD Mike Pavone <pavone@retrodev.com> parents: 285 diff changeset	1734 case Z80_RLD:
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	1735 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	1736 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	1737 call(code, opts->read_8);
286 872a8911e0f4 Implemente RLD Mike Pavone <pavone@retrodev.com> parents: 285 diff changeset	1738 //Before: (HL) = 0x12, A = 0x34
872a8911e0f4 Implemente RLD Mike Pavone <pavone@retrodev.com> parents: 285 diff changeset	1739 //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	1740 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	1741 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	1742 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	1743 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	1744 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	1745 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	1746 //opts->gen.scratch1 = 0x0124
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1747 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	1748 cycles(&opts->gen, 4);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1749 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	1750 //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	1751 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	1752 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	1753 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	1754 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	1755 setcc_rdisp(code, CC_S, opts->gen.context_reg, zf_off(ZF_S));
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	1756
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	1757 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	1758 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	1759 call(code, opts->write_8);
286 872a8911e0f4 Implemente RLD Mike Pavone <pavone@retrodev.com> parents: 285 diff changeset	1760 break;
287 fb840e0a48cd Implement RRD and implement flags on RLD Mike Pavone <pavone@retrodev.com> parents: 286 diff changeset	1761 case Z80_RRD:
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	1762 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	1763 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	1764 call(code, opts->read_8);
287 fb840e0a48cd Implement RRD and implement flags on RLD Mike Pavone <pavone@retrodev.com> parents: 286 diff changeset	1765 //Before: (HL) = 0x12, A = 0x34
fb840e0a48cd Implement RRD and implement flags on RLD Mike Pavone <pavone@retrodev.com> parents: 286 diff changeset	1766 //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	1767 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	1768 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	1769 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	1770 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	1771 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	1772 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	1773 //opts->gen.scratch1 = 0x2001
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	1774 //opts->gen.scratch2 = 0x0040
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1775 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	1776 //opts->gen.scratch1 = 0x2041
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1777 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	1778 cycles(&opts->gen, 4);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1779 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	1780 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	1781 //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	1782 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	1783 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	1784 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	1785 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	1786 setcc_rdisp(code, CC_S, opts->gen.context_reg, zf_off(ZF_S));
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	1787
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	1788 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	1789 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	1790 call(code, opts->write_8);
287 fb840e0a48cd Implement RRD and implement flags on RLD Mike Pavone <pavone@retrodev.com> parents: 286 diff changeset	1791 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	1792 case Z80_BIT: {
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	1793 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	1794 num_cycles += 8;
1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	1795 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1796 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	1797 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	1798 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	1799 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	1800 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	1801 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	1802 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	1803 } 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	1804 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	1805 bit = inst->immed;
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1806 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	1807 }
239 a5bea9711a46 Implement BIT and DJNZ (tested). Fix register mapping for IYL. Mike Pavone <pavone@retrodev.com> parents: 238 diff changeset	1808 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	1809 //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	1810 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	1811 }
731 0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1812 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	1813 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	1814 } else {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1815 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	1816 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1817 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	1818 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	1819 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	1820 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	1821 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	1822 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	1823 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	1824 } else {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1825 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	1826 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1827 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	1828 } else {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1829 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	1830 }
1049 ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	1831
ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	1832 if ((inst->addr_mode & 0x1F) == Z80_REG) {
ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	1833 if (src_op.mode == MODE_REG_DIRECT) {
ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	1834 if (size == SZ_W) {
ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	1835 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	1836 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	1837 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	1838 } else {
ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	1839 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	1840 }
ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	1841 } else {
ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	1842 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	1843 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	1844 }
ef7ee9919a73 Partial support for undocumented flag bits Michael Pavone <pavone@retrodev.com> parents: 1048 diff changeset	1845 } 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	1846 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	1847 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	1848 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	1849 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	1850 }
239 a5bea9711a46 Implement BIT and DJNZ (tested). Fix register mapping for IYL. Mike Pavone <pavone@retrodev.com> parents: 238 diff changeset	1851 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	1852 }
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	1853 case Z80_SET: {
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	1854 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	1855 num_cycles += 8;
1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	1856 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1857 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	1858 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	1859 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	1860 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	1861 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	1862 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	1863 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	1864 } 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	1865 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	1866 bit = inst->immed;
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1867 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	1868 }
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	1869 if (inst->reg != Z80_USE_IMMED) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1870 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	1871 }
247 682e505f5757 Implement rotation and bit set/reset instructions (untested). Mike Pavone <pavone@retrodev.com> parents: 246 diff changeset	1872 if (inst->addr_mode != Z80_REG) {
682e505f5757 Implement rotation and bit set/reset instructions (untested). Mike Pavone <pavone@retrodev.com> parents: 246 diff changeset	1873 //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	1874 cycles(&opts->gen, 1);
247 682e505f5757 Implement rotation and bit set/reset instructions (untested). Mike Pavone <pavone@retrodev.com> parents: 246 diff changeset	1875 }
731 0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1876 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	1877 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	1878 } else {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1879 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	1880 }
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	1881 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	1882 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	1883 #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	1884 if (dst_op.base >= R8) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1885 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	1886 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	1887 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	1888 } 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	1889 #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	1890 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	1891 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	1892 } else {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1893 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	1894 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	1895 }
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	1896 #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	1897 }
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	1898 #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	1899 } 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	1900 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	1901 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	1902 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	1903 } else {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1904 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	1905 }
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1906 } 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	1907 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	1908 } else {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1909 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	1910 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	1911 }
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	1912 }
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	1913 }
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 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	1915 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	1916 if (inst->reg != Z80_USE_IMMED) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1917 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	1918 }
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	1919 }
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 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	1921 }
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 case Z80_RES: {
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	1923 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	1924 num_cycles += 8;
1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	1925 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1926 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	1927 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	1928 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	1929 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	1930 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	1931 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	1932 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	1933 } 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	1934 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	1935 bit = inst->immed;
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1936 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	1937 }
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	1938 if (inst->reg != Z80_USE_IMMED) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1939 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	1940 }
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	1941 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	1942 //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	1943 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	1944 }
731 0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1945 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	1946 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	1947 } else {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1948 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	1949 }
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 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	1951 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	1952 #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	1953 if (dst_op.base >= R8) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1954 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	1955 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	1956 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	1957 } 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	1958 #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	1959 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	1960 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	1961 } else {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1962 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	1963 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	1964 }
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	1965 #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	1966 }
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	1967 #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	1968 } 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	1969 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	1970 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	1971 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	1972 } else {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1973 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	1974 }
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1975 } 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	1976 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	1977 } else {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1978 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	1979 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	1980 }
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	1981 }
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	1982 }
247 682e505f5757 Implement rotation and bit set/reset instructions (untested). Mike Pavone <pavone@retrodev.com> parents: 246 diff changeset	1983 if (inst->addr_mode != Z80_REG) {
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	1984 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	1985 if (inst->reg != Z80_USE_IMMED) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1986 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	1987 }
247 682e505f5757 Implement rotation and bit set/reset instructions (untested). Mike Pavone <pavone@retrodev.com> parents: 246 diff changeset	1988 }
682e505f5757 Implement rotation and bit set/reset instructions (untested). Mike Pavone <pavone@retrodev.com> parents: 246 diff changeset	1989 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	1990 }
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1991 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	1992 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	1993 num_cycles += 6;
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1994 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1995 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	1996 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	1997 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	1998 if (!call_dst) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1999 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	2000 //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	2001 call_dst = code->cur + 256;
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	2002 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2003 jmp(code, call_dst);
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	2004 } else {
239 a5bea9711a46 Implement BIT and DJNZ (tested). Fix register mapping for IYL. Mike Pavone <pavone@retrodev.com> parents: 238 diff changeset	2005 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	2006 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	2007 } else {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2008 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	2009 }
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	2010 call(code, opts->native_addr);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2011 jmp_r(code, opts->gen.scratch1);
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	2012 }
19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	2013 break;
19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	2014 }
19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	2015 case Z80_JPCC: {
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	2016 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	2017 uint8_t cond = CC_Z;
19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	2018 switch (inst->reg)
19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	2019 {
19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	2020 case Z80_CC_NZ:
19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	2021 cond = CC_NZ;
19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	2022 case Z80_CC_Z:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2023 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	2024 break;
19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	2025 case Z80_CC_NC:
19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	2026 cond = CC_NZ;
19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	2027 case Z80_CC_C:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2028 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	2029 break;
238 827ebce557bf Added the rest of the conditions to JPCC, implemented CALLCC (untested) Mike Pavone <pavone@retrodev.com> parents: 236 diff changeset	2030 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	2031 cond = CC_NZ;
827ebce557bf Added the rest of the conditions to JPCC, implemented CALLCC (untested) Mike Pavone <pavone@retrodev.com> parents: 236 diff changeset	2032 case Z80_CC_PE:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2033 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	2034 break;
827ebce557bf Added the rest of the conditions to JPCC, implemented CALLCC (untested) Mike Pavone <pavone@retrodev.com> parents: 236 diff changeset	2035 case Z80_CC_P:
367 f20562f2a570 Fix P condition in Z80 core Mike Pavone <pavone@retrodev.com> parents: 366 diff changeset	2036 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	2037 case Z80_CC_M:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2038 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	2039 break;
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	2040 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2041 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	2042 jcc(code, cond, code->cur+2);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2043 cycles(&opts->gen, 5);//T States: 5
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	2044 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	2045 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	2046 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	2047 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	2048 //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	2049 call_dst = code->cur + 256;
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	2050 }
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	2051 jmp(code, call_dst);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2052 *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	2053 break;
19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	2054 }
19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	2055 case Z80_JR: {
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	2056 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	2057 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	2058 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	2059 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	2060 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	2061 //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	2062 call_dst = code->cur + 256;
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	2063 }
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	2064 jmp(code, call_dst);
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	2065 break;
19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	2066 }
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2067 case Z80_JRCC: {
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	2068 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	2069 uint8_t cond = CC_Z;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2070 switch (inst->reg)
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2071 {
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2072 case Z80_CC_NZ:
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2073 cond = CC_NZ;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2074 case Z80_CC_Z:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2075 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	2076 break;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2077 case Z80_CC_NC:
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2078 cond = CC_NZ;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2079 case Z80_CC_C:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2080 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	2081 break;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2082 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2083 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	2084 jcc(code, cond, code->cur+2);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2085 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	2086 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	2087 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	2088 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	2089 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	2090 //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	2091 call_dst = code->cur + 256;
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2092 }
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	2093 jmp(code, call_dst);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2094 *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	2095 break;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2096 }
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	2097 case Z80_DJNZ: {
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	2098 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	2099 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	2100 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	2101 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	2102 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	2103 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2104 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	2105 jcc(code, CC_Z, code->cur+2);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2106 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	2107 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	2108 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	2109 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	2110 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	2111 //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	2112 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	2113 }
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	2114 jmp(code, call_dst);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2115 *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	2116 break;
a5bea9711a46 Implement BIT and DJNZ (tested). Fix register mapping for IYL. Mike Pavone <pavone@retrodev.com> parents: 238 diff changeset	2117 }
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2118 case Z80_CALL: {
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	2119 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	2120 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	2121 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	2122 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	2123 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	2124 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	2125 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	2126 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	2127 //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	2128 call_dst = code->cur + 256;
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2129 }
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	2130 jmp(code, call_dst);
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2131 break;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2132 }
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	2133 case Z80_CALLCC: {
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	2134 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	2135 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	2136 switch (inst->reg)
827ebce557bf Added the rest of the conditions to JPCC, implemented CALLCC (untested) Mike Pavone <pavone@retrodev.com> parents: 236 diff changeset	2137 {
827ebce557bf Added the rest of the conditions to JPCC, implemented CALLCC (untested) Mike Pavone <pavone@retrodev.com> parents: 236 diff changeset	2138 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	2139 cond = CC_NZ;
827ebce557bf Added the rest of the conditions to JPCC, implemented CALLCC (untested) Mike Pavone <pavone@retrodev.com> parents: 236 diff changeset	2140 case Z80_CC_Z:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2141 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	2142 break;
827ebce557bf Added the rest of the conditions to JPCC, implemented CALLCC (untested) Mike Pavone <pavone@retrodev.com> parents: 236 diff changeset	2143 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	2144 cond = CC_NZ;
827ebce557bf Added the rest of the conditions to JPCC, implemented CALLCC (untested) Mike Pavone <pavone@retrodev.com> parents: 236 diff changeset	2145 case Z80_CC_C:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2146 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	2147 break;
827ebce557bf Added the rest of the conditions to JPCC, implemented CALLCC (untested) Mike Pavone <pavone@retrodev.com> parents: 236 diff changeset	2148 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	2149 cond = CC_NZ;
827ebce557bf Added the rest of the conditions to JPCC, implemented CALLCC (untested) Mike Pavone <pavone@retrodev.com> parents: 236 diff changeset	2150 case Z80_CC_PE:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2151 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	2152 break;
827ebce557bf Added the rest of the conditions to JPCC, implemented CALLCC (untested) Mike Pavone <pavone@retrodev.com> parents: 236 diff changeset	2153 case Z80_CC_P:
367 f20562f2a570 Fix P condition in Z80 core Mike Pavone <pavone@retrodev.com> parents: 366 diff changeset	2154 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	2155 case Z80_CC_M:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2156 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	2157 break;
827ebce557bf Added the rest of the conditions to JPCC, implemented CALLCC (untested) Mike Pavone <pavone@retrodev.com> parents: 236 diff changeset	2158 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2159 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	2160 jcc(code, cond, code->cur+2);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2161 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	2162 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	2163 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	2164 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	2165 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	2166 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	2167 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	2168 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	2169 //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	2170 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	2171 }
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 jmp(code, call_dst);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2173 *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	2174 break;
682 7ed1dbb48f61 Merge Michael Pavone <pavone@retrodev.com> parents: 676 559 diff changeset	2175 }
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	2176 case Z80_RET:
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	2177 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	2178 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	2179 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	2180 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	2181 call(code, opts->native_addr);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2182 jmp_r(code, opts->gen.scratch1);
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2183 break;
246 ed548c77b598 Implement RETCC in Z80 core. Mike Pavone <pavone@retrodev.com> parents: 243 diff changeset	2184 case Z80_RETCC: {
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	2185 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	2186 uint8_t cond = CC_Z;
ed548c77b598 Implement RETCC in Z80 core. Mike Pavone <pavone@retrodev.com> parents: 243 diff changeset	2187 switch (inst->reg)
ed548c77b598 Implement RETCC in Z80 core. Mike Pavone <pavone@retrodev.com> parents: 243 diff changeset	2188 {
ed548c77b598 Implement RETCC in Z80 core. Mike Pavone <pavone@retrodev.com> parents: 243 diff changeset	2189 case Z80_CC_NZ:
ed548c77b598 Implement RETCC in Z80 core. Mike Pavone <pavone@retrodev.com> parents: 243 diff changeset	2190 cond = CC_NZ;
ed548c77b598 Implement RETCC in Z80 core. Mike Pavone <pavone@retrodev.com> parents: 243 diff changeset	2191 case Z80_CC_Z:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2192 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	2193 break;
ed548c77b598 Implement RETCC in Z80 core. Mike Pavone <pavone@retrodev.com> parents: 243 diff changeset	2194 case Z80_CC_NC:
ed548c77b598 Implement RETCC in Z80 core. Mike Pavone <pavone@retrodev.com> parents: 243 diff changeset	2195 cond = CC_NZ;
ed548c77b598 Implement RETCC in Z80 core. Mike Pavone <pavone@retrodev.com> parents: 243 diff changeset	2196 case Z80_CC_C:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2197 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	2198 break;
ed548c77b598 Implement RETCC in Z80 core. Mike Pavone <pavone@retrodev.com> parents: 243 diff changeset	2199 case Z80_CC_PO:
ed548c77b598 Implement RETCC in Z80 core. Mike Pavone <pavone@retrodev.com> parents: 243 diff changeset	2200 cond = CC_NZ;
ed548c77b598 Implement RETCC in Z80 core. Mike Pavone <pavone@retrodev.com> parents: 243 diff changeset	2201 case Z80_CC_PE:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2202 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	2203 break;
ed548c77b598 Implement RETCC in Z80 core. Mike Pavone <pavone@retrodev.com> parents: 243 diff changeset	2204 case Z80_CC_P:
367 f20562f2a570 Fix P condition in Z80 core Mike Pavone <pavone@retrodev.com> parents: 366 diff changeset	2205 cond = CC_NZ;
246 ed548c77b598 Implement RETCC in Z80 core. Mike Pavone <pavone@retrodev.com> parents: 243 diff changeset	2206 case Z80_CC_M:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2207 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	2208 break;
ed548c77b598 Implement RETCC in Z80 core. Mike Pavone <pavone@retrodev.com> parents: 243 diff changeset	2209 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2210 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	2211 jcc(code, cond, code->cur+2);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2212 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	2213 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	2214 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	2215 call(code, opts->native_addr);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2216 jmp_r(code, opts->gen.scratch1);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2217 *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	2218 break;
ed548c77b598 Implement RETCC in Z80 core. Mike Pavone <pavone@retrodev.com> parents: 243 diff changeset	2219 }
283 61f5d88ea01a Implement RETI and RETN (untested). Cleanup tests for "terminal" instructions. Mike Pavone <pavone@retrodev.com> parents: 282 diff changeset	2220 case Z80_RETI:
61f5d88ea01a Implement RETI and RETN (untested). Cleanup tests for "terminal" instructions. Mike Pavone <pavone@retrodev.com> parents: 282 diff changeset	2221 //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	2222 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	2223 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	2224 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	2225 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	2226 call(code, opts->native_addr);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2227 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	2228 break;
61f5d88ea01a Implement RETI and RETN (untested). Cleanup tests for "terminal" instructions. Mike Pavone <pavone@retrodev.com> parents: 282 diff changeset	2229 case Z80_RETN:
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	2230 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	2231 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	2232 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	2233 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	2234 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	2235 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	2236 call(code, opts->native_addr);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2237 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	2238 break;
241 2586d49ddd46 Implement EX, EXX and RST in Z80 core Mike Pavone <pavone@retrodev.com> parents: 239 diff changeset	2239 case Z80_RST: {
2586d49ddd46 Implement EX, EXX and RST in Z80 core Mike Pavone <pavone@retrodev.com> parents: 239 diff changeset	2240 //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	2241 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	2242 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	2243 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	2244 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	2245 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	2246 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	2247 if (!call_dst) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2248 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	2249 //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	2250 call_dst = code->cur + 256;
241 2586d49ddd46 Implement EX, EXX and RST in Z80 core Mike Pavone <pavone@retrodev.com> parents: 239 diff changeset	2251 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2252 jmp(code, call_dst);
241 2586d49ddd46 Implement EX, EXX and RST in Z80 core Mike Pavone <pavone@retrodev.com> parents: 239 diff changeset	2253 break;
2586d49ddd46 Implement EX, EXX and RST in Z80 core Mike Pavone <pavone@retrodev.com> parents: 239 diff changeset	2254 }
284 ed7098f717d7 Implement IN and OUT (untested) Mike Pavone <pavone@retrodev.com> parents: 283 diff changeset	2255 case Z80_IN:
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	2256 if (inst->addr_mode == Z80_IMMED_INDIRECT) {
1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	2257 num_cycles += 3;
1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	2258 }
1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	2259 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	2260 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	2261 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	2262 } else {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2263 mov_rr(code, opts->regs[Z80_C], opts->gen.scratch1, SZ_B);
284 ed7098f717d7 Implement IN and OUT (untested) Mike Pavone <pavone@retrodev.com> parents: 283 diff changeset	2264 }
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	2265 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	2266 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	2267 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	2268 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	2269 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	2270 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	2271 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	2272 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	2273 }
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	2274 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	2275 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	2276 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	2277 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	2278 } 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	2279 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	2280 }
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	2281 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2282 z80_save_reg(inst, opts);
284 ed7098f717d7 Implement IN and OUT (untested) Mike Pavone <pavone@retrodev.com> parents: 283 diff changeset	2283 break;
ed7098f717d7 Implement IN and OUT (untested) Mike Pavone <pavone@retrodev.com> parents: 283 diff changeset	2284 /*case Z80_INI:
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	2285 case Z80_INIR:
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	2286 case Z80_IND:
284 ed7098f717d7 Implement IN and OUT (untested) Mike Pavone <pavone@retrodev.com> parents: 283 diff changeset	2287 case Z80_INDR:*/
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	2288 case Z80_OUT:
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	2289 if (inst->reg == Z80_A) {
1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	2290 num_cycles += 3;
1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	2291 }
1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	2292 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	2293 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	2294 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	2295 } 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	2296 zreg_to_native(opts, Z80_C, opts->gen.scratch2);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2297 mov_rr(code, opts->regs[Z80_C], opts->gen.scratch2, SZ_B);
284 ed7098f717d7 Implement IN and OUT (untested) Mike Pavone <pavone@retrodev.com> parents: 283 diff changeset	2298 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2299 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	2300 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	2301 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	2302 } 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	2303 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	2304 } 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	2305 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	2306 }
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	2307 call(code, opts->write_io);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2308 z80_save_reg(inst, opts);
284 ed7098f717d7 Implement IN and OUT (untested) Mike Pavone <pavone@retrodev.com> parents: 283 diff changeset	2309 break;
1040 fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2310 case Z80_OUTI:
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	2311 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	2312 //read from (HL)
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2313 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	2314 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	2315 //undocumented N flag behavior
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2316 //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	2317 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	2318 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	2319 //write to IO (C)
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2320 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	2321 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	2322 //increment HL
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2323 if (opts->regs[Z80_HL] >= 0) {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2324 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	2325 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	2326 } else {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2327 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	2328 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	2329 }
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2330 //undocumented C and H flag behavior
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2331 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	2332 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	2333 //decrement B
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2334 if (opts->regs[Z80_B] >= 0) {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2335 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	2336 } else {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2337 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	2338 }
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2339 //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	2340 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	2341 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	2342 //crazy undocumented P/V flag behavior
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2343 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	2344 if (opts->regs[Z80_B] >= 0) {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2345 //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	2346 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	2347 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	2348 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	2349 } else {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2350 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	2351 }
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2352 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	2353 break;
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2354 case Z80_OTIR: {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2355 code_ptr start = code->cur;
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	2356 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	2357 //read from (HL)
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2358 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	2359 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	2360 //undocumented N flag behavior
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2361 //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	2362 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	2363 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	2364 //write to IO (C)
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2365 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	2366 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	2367 //increment HL
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2368 if (opts->regs[Z80_HL] >= 0) {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2369 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	2370 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	2371 } else {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2372 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	2373 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	2374 }
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2375 //undocumented C and H flag behavior
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2376 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	2377 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	2378 //decrement B
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2379 if (opts->regs[Z80_B] >= 0) {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2380 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	2381 } else {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2382 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	2383 }
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2384 //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	2385 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	2386 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	2387 //crazy undocumented P/V flag behavior
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2388 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	2389 if (opts->regs[Z80_B] >= 0) {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2390 //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	2391 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	2392 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	2393 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	2394 } else {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2395 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	2396 }
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2397 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	2398 if (opts->regs[Z80_B] >= 0) {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2399 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	2400 } else {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2401 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	2402 }
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2403 code_ptr done = code->cur+1;
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2404 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	2405 cycles(&opts->gen, 5);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2406 jmp(code, start);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2407 *done = code->cur - (done + 1);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2408 break;
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2409 }
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	2410 case Z80_OUTD:
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	2411 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	2412 //read from (HL)
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2413 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	2414 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	2415 //undocumented N flag behavior
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2416 //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	2417 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	2418 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	2419 //write to IO (C)
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2420 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	2421 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	2422 //decrement HL
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2423 if (opts->regs[Z80_HL] >= 0) {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2424 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	2425 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	2426 } else {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2427 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	2428 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	2429 }
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2430 //undocumented C and H flag behavior
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2431 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	2432 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	2433 //decrement B
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2434 if (opts->regs[Z80_B] >= 0) {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2435 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	2436 } else {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2437 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	2438 }
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2439 //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	2440 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	2441 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	2442 //crazy undocumented P/V flag behavior
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2443 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	2444 if (opts->regs[Z80_B] >= 0) {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2445 //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	2446 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	2447 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	2448 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	2449 } else {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2450 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	2451 }
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2452 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	2453 break;
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2454 case Z80_OTDR: {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2455 code_ptr start = code->cur;
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	2456 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	2457 //read from (HL)
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2458 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	2459 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	2460 //undocumented N flag behavior
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2461 //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	2462 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	2463 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	2464 //write to IO (C)
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2465 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	2466 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	2467 //increment HL
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2468 if (opts->regs[Z80_HL] >= 0) {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2469 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	2470 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	2471 } else {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2472 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	2473 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	2474 }
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2475 //undocumented C and H flag behavior
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2476 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	2477 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	2478 //decrement B
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2479 if (opts->regs[Z80_B] >= 0) {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2480 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	2481 } else {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2482 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	2483 }
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2484 //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	2485 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	2486 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	2487 //crazy undocumented P/V flag behavior
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2488 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	2489 if (opts->regs[Z80_B] >= 0) {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2490 //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	2491 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	2492 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	2493 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	2494 } else {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2495 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	2496 }
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2497 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	2498 if (opts->regs[Z80_B] >= 0) {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2499 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	2500 } else {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2501 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	2502 }
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2503 code_ptr done = code->cur+1;
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2504 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	2505 cycles(&opts->gen, 5);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2506 jmp(code, start);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2507 *done = code->cur - (done + 1);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2508 break;
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2509 }
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2510 default: {
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2511 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	2512 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	2513 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	2514 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	2515 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	2516 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	2517 }
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2518 }
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2519 }
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2520
627 c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses Michael Pavone <pavone@retrodev.com> parents: 626 diff changeset	2521 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	2522 {
c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses Michael Pavone <pavone@retrodev.com> parents: 626 diff changeset	2523 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	2524 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	2525 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	2526 }
c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses Michael Pavone <pavone@retrodev.com> parents: 626 diff changeset	2527 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	2528 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	2529 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	2530 z80inst inst;
c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses Michael Pavone <pavone@retrodev.com> parents: 626 diff changeset	2531 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	2532 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	2533 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	2534 }
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2535
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2536 z80_options * opts = context->options;
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2537 code_info *code = &opts->gen.code;
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2538 check_alloc_code(code, ZMAX_NATIVE_SIZE);
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2539 context->interp_code[opcode] = code->cur;
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2540 translate_z80inst(&inst, context, 0, 1);
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2541 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	2542 add_ir(code, after - codebuf, opts->gen.scratch1, SZ_W);
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2543 call(code, opts->native_addr);
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2544 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	2545 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	2546 }
c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses Michael Pavone <pavone@retrodev.com> parents: 626 diff changeset	2547 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	2548 }
c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses Michael Pavone <pavone@retrodev.com> parents: 626 diff changeset	2549
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2550 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	2551 {
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2552 z80_options *opts = context->options;
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2553 code_info * code = &opts->gen.code;
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2554 check_alloc_code(code, 32);
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2555 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	2556 //TODO: make this play well with the breakpoint code
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2557 mov_ir(code, address, opts->gen.scratch1, SZ_W);
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2558 call(code, opts->read_8);
1044 1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	2559 //opcode fetch M-cycles have one extra T-state
1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	2560 cycles(&opts->gen, 1);
1625555e346e Properly handle redundant prefixes Michael Pavone <pavone@retrodev.com> parents: 1043 diff changeset	2561 //TODO: increment R
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2562 check_cycles_int(&opts->gen, address);
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2563 call(code, opts->gen.save_context);
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2564 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	2565 push_r(code, opts->gen.context_reg);
712 382a2b5b70c0 Fix crash bug in Z80 interpreter Michael Pavone <pavone@retrodev.com> parents: 702 diff changeset	2566 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	2567 mov_rr(code, RAX, opts->gen.scratch1, SZ_PTR);
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2568 pop_r(code, opts->gen.context_reg);
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2569 call(code, opts->gen.load_context);
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2570 jmp_r(code, opts->gen.scratch1);
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2571 stub.last = code->cur;
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2572 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	2573 }
c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses Michael Pavone <pavone@retrodev.com> parents: 626 diff changeset	2574
c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses Michael Pavone <pavone@retrodev.com> parents: 626 diff changeset	2575
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2576 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	2577 {
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2578 native_map_slot *map;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2579 if (address < 0x4000) {
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2580 address &= 0x1FFF;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2581 map = context->static_code_map;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2582 } else {
627 c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses Michael Pavone <pavone@retrodev.com> parents: 626 diff changeset	2583 address -= 0x4000;
c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses Michael Pavone <pavone@retrodev.com> parents: 626 diff changeset	2584 map = context->banked_code_map;
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2585 }
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	2586 if (!map->base \|\| !map->offsets \|\| map->offsets[address] == INVALID_OFFSET \|\| map->offsets[address] == EXTENSION_WORD) {
313 a13329645ea3 Fix terminal instruction detection in disassembler Mike Pavone <pavone@retrodev.com> parents: 312 diff changeset	2587 //dprintf("z80_get_native_address: %X NULL\n", address);
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2588 return NULL;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2589 }
313 a13329645ea3 Fix terminal instruction detection in disassembler Mike Pavone <pavone@retrodev.com> parents: 312 diff changeset	2590 //dprintf("z80_get_native_address: %X %p\n", address, map->base + map->offsets[address]);
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2591 return map->base + map->offsets[address];
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2592 }
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2593
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2594 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	2595 {
627 c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses Michael Pavone <pavone@retrodev.com> parents: 626 diff changeset	2596 //TODO: Fix for addresses >= 0x4000
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	2597 if (address >= 0x4000) {
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	2598 return 0;
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	2599 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2600 return opts->gen.ram_inst_sizes[0][address & 0x1FFF];
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	2601 }
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	2602
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	2603 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	2604 {
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	2605 uint32_t orig_address = address;
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2606 native_map_slot *map;
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2607 z80_options * opts = context->options;
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2608 if (address < 0x4000) {
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2609 address &= 0x1FFF;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2610 map = context->static_code_map;
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2611 opts->gen.ram_inst_sizes[0][address] = native_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	2612 context->ram_code_flags[(address & 0x1C00) >> 10] \|= 1 << ((address & 0x380) >> 7);
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	2613 context->ram_code_flags[((address + size) & 0x1C00) >> 10] \|= 1 << (((address + size) & 0x380) >> 7);
627 c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses Michael Pavone <pavone@retrodev.com> parents: 626 diff changeset	2614 } else {
c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses Michael Pavone <pavone@retrodev.com> parents: 626 diff changeset	2615 //HERE
c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses Michael Pavone <pavone@retrodev.com> parents: 626 diff changeset	2616 address -= 0x4000;
c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses Michael Pavone <pavone@retrodev.com> parents: 626 diff changeset	2617 map = context->banked_code_map;
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2618 if (!map->offsets) {
627 c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses Michael Pavone <pavone@retrodev.com> parents: 626 diff changeset	2619 map->offsets = malloc(sizeof(int32_t) * 0xC000);
c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses Michael Pavone <pavone@retrodev.com> parents: 626 diff changeset	2620 memset(map->offsets, 0xFF, sizeof(int32_t) * 0xC000);
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2621 }
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2622 }
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2623 if (!map->base) {
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2624 map->base = native_address;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2625 }
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2626 map->offsets[address] = native_address - map->base;
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	2627 for(--size, orig_address++; size; --size, orig_address++) {
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	2628 address = orig_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	2629 if (address < 0x4000) {
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	2630 address &= 0x1FFF;
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	2631 map = context->static_code_map;
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	2632 } else {
627 c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses Michael Pavone <pavone@retrodev.com> parents: 626 diff changeset	2633 address -= 0x4000;
c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses Michael Pavone <pavone@retrodev.com> parents: 626 diff changeset	2634 map = context->banked_code_map;
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	2635 }
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	2636 if (!map->offsets) {
627 c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses Michael Pavone <pavone@retrodev.com> parents: 626 diff changeset	2637 map->offsets = malloc(sizeof(int32_t) * 0xC000);
c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses Michael Pavone <pavone@retrodev.com> parents: 626 diff changeset	2638 memset(map->offsets, 0xFF, sizeof(int32_t) * 0xC000);
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	2639 }
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	2640 map->offsets[address] = EXTENSION_WORD;
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	2641 }
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	2642 }
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	2643
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	2644 #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	2645
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	2646 uint32_t z80_get_instruction_start(native_map_slot * static_code_map, uint32_t 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	2647 {
627 c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses Michael Pavone <pavone@retrodev.com> parents: 626 diff changeset	2648 //TODO: Fixme for address >= 0x4000
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	2649 if (!static_code_map->base \|\| address >= 0x4000) {
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	2650 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	2651 }
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	2652 address &= 0x1FFF;
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	2653 if (static_code_map->offsets[address] == INVALID_OFFSET) {
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	2654 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	2655 }
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	2656 while (static_code_map->offsets[address] == EXTENSION_WORD) {
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	2657 --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	2658 address &= 0x1FFF;
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	2659 }
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	2660 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	2661 }
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	2662
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	2663 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	2664 {
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	2665 uint32_t inst_start = z80_get_instruction_start(context->static_code_map, 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	2666 if (inst_start != INVALID_INSTRUCTION_START) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2667 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	2668 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	2669 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	2670 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	2671 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	2672 call(&code, opts->retrans_stub);
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	2673 }
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	2674 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	2675 }
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	2676
264 8fd6652e56f8 Fix a crash bug in instruction retranslation Mike Pavone <pavone@retrodev.com> parents: 262 diff changeset	2677 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	2678 {
8fd6652e56f8 Fix a crash bug in instruction retranslation Mike Pavone <pavone@retrodev.com> parents: 262 diff changeset	2679 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	2680 if (!addr) {
8fd6652e56f8 Fix a crash bug in instruction retranslation Mike Pavone <pavone@retrodev.com> parents: 262 diff changeset	2681 translate_z80_stream(context, address);
8fd6652e56f8 Fix a crash bug in instruction retranslation Mike Pavone <pavone@retrodev.com> parents: 262 diff changeset	2682 addr = z80_get_native_address(context, address);
8fd6652e56f8 Fix a crash bug in instruction retranslation Mike Pavone <pavone@retrodev.com> parents: 262 diff changeset	2683 if (!addr) {
8fd6652e56f8 Fix a crash bug in instruction retranslation Mike Pavone <pavone@retrodev.com> parents: 262 diff changeset	2684 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	2685 }
8fd6652e56f8 Fix a crash bug in instruction retranslation Mike Pavone <pavone@retrodev.com> parents: 262 diff changeset	2686 }
8fd6652e56f8 Fix a crash bug in instruction retranslation Mike Pavone <pavone@retrodev.com> parents: 262 diff changeset	2687 return addr;
8fd6652e56f8 Fix a crash bug in instruction retranslation Mike Pavone <pavone@retrodev.com> parents: 262 diff changeset	2688 }
8fd6652e56f8 Fix a crash bug in instruction retranslation Mike Pavone <pavone@retrodev.com> parents: 262 diff changeset	2689
266 376df762ddf5 Fix some more retranslation bugs in the Z80 core Mike Pavone <pavone@retrodev.com> parents: 264 diff changeset	2690 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	2691 {
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2692 z80_options * opts = context->options;
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2693 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	2694 if (opts->gen.deferred) {
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2695 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	2696 }
376df762ddf5 Fix some more retranslation bugs in the Z80 core Mike Pavone <pavone@retrodev.com> parents: 264 diff changeset	2697 }
376df762ddf5 Fix some more retranslation bugs in the Z80 core Mike Pavone <pavone@retrodev.com> parents: 264 diff changeset	2698
559 6b248602ab84 blastem builds and almost works on OS X now Mike Pavone <pavone@retrodev.com> parents: 506 diff changeset	2699 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	2700 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	2701 {
266 376df762ddf5 Fix some more retranslation bugs in the Z80 core Mike Pavone <pavone@retrodev.com> parents: 264 diff changeset	2702 char disbuf[80];
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2703 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	2704 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	2705 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	2706 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	2707 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	2708 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	2709 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	2710 #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	2711 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	2712 if (instbuf.op == Z80_NOP) {
376df762ddf5 Fix some more retranslation bugs in the Z80 core Mike Pavone <pavone@retrodev.com> parents: 264 diff changeset	2713 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	2714 } else {
376df762ddf5 Fix some more retranslation bugs in the Z80 core Mike Pavone <pavone@retrodev.com> parents: 264 diff changeset	2715 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	2716 }
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	2717 #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	2718 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	2719 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	2720 code_ptr start = code->cur;
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2721 deferred_addr * orig_deferred = opts->gen.deferred;
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2722 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	2723 /*
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	2724 if ((native_end - dst) <= orig_size) {
264 8fd6652e56f8 Fix a crash bug in instruction retranslation Mike Pavone <pavone@retrodev.com> parents: 262 diff changeset	2725 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	2726 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	2727 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	2728 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	2729 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	2730 while (native_end < orig_start + orig_size) {
8fd6652e56f8 Fix a crash bug in instruction retranslation Mike Pavone <pavone@retrodev.com> parents: 262 diff changeset	2731 *(native_end++) = 0x90; //NOP
8fd6652e56f8 Fix a crash bug in instruction retranslation Mike Pavone <pavone@retrodev.com> parents: 262 diff changeset	2732 }
8fd6652e56f8 Fix a crash bug in instruction retranslation Mike Pavone <pavone@retrodev.com> parents: 262 diff changeset	2733 } else {
8fd6652e56f8 Fix a crash bug in instruction retranslation Mike Pavone <pavone@retrodev.com> parents: 262 diff changeset	2734 jmp(native_end, native_next);
8fd6652e56f8 Fix a crash bug in instruction retranslation Mike Pavone <pavone@retrodev.com> parents: 262 diff changeset	2735 }
266 376df762ddf5 Fix some more retranslation bugs in the Z80 core Mike Pavone <pavone@retrodev.com> parents: 264 diff changeset	2736 z80_handle_deferred(context);
264 8fd6652e56f8 Fix a crash bug in instruction retranslation Mike Pavone <pavone@retrodev.com> parents: 262 diff changeset	2737 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	2738 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2739 }*/
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2740 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	2741 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	2742 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	2743 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	2744 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	2745 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	2746 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	2747 }
266 376df762ddf5 Fix some more retranslation bugs in the Z80 core Mike Pavone <pavone@retrodev.com> parents: 264 diff changeset	2748 z80_handle_deferred(context);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2749 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	2750 } else {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2751 code_info tmp_code = *code;
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2752 code->cur = orig_start;
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2753 code->last = orig_start + ZMAX_NATIVE_SIZE;
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2754 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	2755 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	2756 *code = tmp_code;
283 61f5d88ea01a Implement RETI and RETN (untested). Cleanup tests for "terminal" instructions. Mike Pavone <pavone@retrodev.com> parents: 282 diff changeset	2757 if (!z80_is_terminal(&instbuf)) {
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2758
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	2759 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	2760 }
266 376df762ddf5 Fix some more retranslation bugs in the Z80 core Mike Pavone <pavone@retrodev.com> parents: 264 diff changeset	2761 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	2762 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	2763 }
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2764 }
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2765
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2766 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	2767 {
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2768 char disbuf[80];
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2769 if (z80_get_native_address(context, address)) {
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2770 return;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2771 }
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2772 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	2773 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	2774
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	2775 do
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2776 {
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2777 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	2778 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	2779 do {
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2780 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	2781 if (existing) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2782 jmp(&opts->gen.code, existing);
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2783 break;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2784 }
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	2785 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	2786 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	2787 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	2788 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	2789 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	2790 break;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2791 }
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	2792 //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	2793 check_code_prologue(&opts->gen.code);
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2794 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	2795 #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	2796 z80_disasm(&inst, disbuf, address);
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2797 if (inst.op == Z80_NOP) {
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2798 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	2799 } else {
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2800 printf("%X\t%s\n", address, disbuf);
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2801 }
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	2802 #endif
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2803 code_ptr start = opts->gen.code.cur;
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2804 translate_z80inst(&inst, context, address, 0);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2805 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	2806 address += next-encoded;
255 572b935dd030 Properly handle wrapping around to 0 in translate_z80_stream Mike Pavone <pavone@retrodev.com> parents: 254 diff changeset	2807 address &= 0xFFFF;
283 61f5d88ea01a Implement RETI and RETN (untested). Cleanup tests for "terminal" instructions. Mike Pavone <pavone@retrodev.com> parents: 282 diff changeset	2808 } while (!z80_is_terminal(&inst));
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2809 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	2810 if (opts->gen.deferred) {
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2811 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	2812 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	2813 }
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	2814 } 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	2815 }
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	2816
819 ab017fb09e77 Added support for an IO memory map in Z80 core Michael Pavone <pavone@retrodev.com> parents: 792 diff changeset	2817 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)
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	2818 {
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2819 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	2820
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	2821 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	2822 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	2823 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	2824 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	2825 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	2826 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	2827 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	2828 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	2829 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	2830 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	2831
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2832 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	2833 #ifdef X86_64
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2834 options->regs[Z80_B] = BH;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2835 options->regs[Z80_C] = RBX;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2836 options->regs[Z80_D] = CH;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2837 options->regs[Z80_E] = RCX;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2838 options->regs[Z80_H] = AH;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2839 options->regs[Z80_L] = RAX;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2840 options->regs[Z80_IXH] = DH;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2841 options->regs[Z80_IXL] = RDX;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2842 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	2843 options->regs[Z80_IYL] = R8;
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2844 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	2845 options->regs[Z80_R] = RDI;
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2846 options->regs[Z80_A] = R10;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2847 options->regs[Z80_BC] = RBX;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2848 options->regs[Z80_DE] = RCX;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2849 options->regs[Z80_HL] = RAX;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2850 options->regs[Z80_SP] = R9;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2851 options->regs[Z80_AF] = -1;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2852 options->regs[Z80_IX] = RDX;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2853 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	2854
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	2855 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	2856 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	2857 #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	2858 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	2859 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	2860 options->regs[Z80_R] = AH;
1048 05ecef6c73b6 More efficient register usage in 32-bit mode Michael Pavone <pavone@retrodev.com> parents: 1047 diff changeset	2861 options->regs[Z80_H] = BH;
05ecef6c73b6 More efficient register usage in 32-bit mode Michael Pavone <pavone@retrodev.com> parents: 1047 diff changeset	2862 options->regs[Z80_L] = RBX;
05ecef6c73b6 More efficient register usage in 32-bit mode Michael Pavone <pavone@retrodev.com> parents: 1047 diff changeset	2863 options->regs[Z80_HL] = RBX;
05ecef6c73b6 More efficient register usage in 32-bit mode Michael Pavone <pavone@retrodev.com> parents: 1047 diff changeset	2864
05ecef6c73b6 More efficient register usage in 32-bit mode Michael Pavone <pavone@retrodev.com> parents: 1047 diff changeset	2865 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	2866
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	2867 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	2868 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	2869 #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	2870
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2871 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	2872 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	2873 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	2874
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2875 options->gen.native_code_map = malloc(sizeof(native_map_slot));
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2876 memset(options->gen.native_code_map, 0, sizeof(native_map_slot));
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2877 options->gen.deferred = NULL;
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2878 options->gen.ram_inst_sizes = malloc(sizeof(uint8_t) * 0x2000 + sizeof(uint8_t *));
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2879 options->gen.ram_inst_sizes[0] = (uint8_t *)(options->gen.ram_inst_sizes + 1);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2880 memset(options->gen.ram_inst_sizes[0], 0, sizeof(uint8_t) * 0x2000);
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2881
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2882 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	2883 init_code_info(code);
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2884
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2885 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	2886 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	2887 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	2888
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2889 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	2890 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	2891 {
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2892 int reg;
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2893 uint8_t size;
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2894 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	2895 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	2896 size = SZ_W;
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2897 } else {
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2898 reg = i;
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2899 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	2900 }
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	2901 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	2902 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	2903 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	2904 } 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	2905 mov_rrdisp(code, options->regs[reg], options->gen.context_reg, zr_off(reg), size);
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	2906 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	2907 and_irdisp(code, 0x80, options->gen.context_reg, zr_off(reg), 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	2908 }
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2909 }
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	2910 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	2911 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	2912 }
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2913 }
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2914 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	2915 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	2916 }
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	2917 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	2918 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	2919 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	2920 retn(code);
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2921
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2922 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	2923 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	2924 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	2925 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	2926 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	2927 {
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2928 int reg;
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2929 uint8_t size;
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2930 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	2931 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	2932 size = SZ_W;
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2933 } else {
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2934 reg = i;
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2935 size = SZ_B;
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2936 }
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2937 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	2938 mov_rdispr(code, options->gen.context_reg, offsetof(z80_context, regs) + i, options->regs[reg], size);
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2939 }
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	2940 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	2941 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	2942 }
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2943 }
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2944 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	2945 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	2946 }
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	2947 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	2948 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	2949 retn(code);
5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	2950
5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	2951 options->native_addr = code->cur;
5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	2952 call(code, options->gen.save_context);
5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	2953 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	2954 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	2955 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	2956 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	2957 pop_r(code, options->gen.context_reg);
5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	2958 call(code, options->gen.load_context);
5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	2959 retn(code);
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2960
895 13388ab6d78a Get Z80 core sort of working again post alignment change Michael Pavone <pavone@retrodev.com> parents: 894 diff changeset	2961 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	2962
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2963 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	2964 //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	2965 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	2966 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	2967 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	2968 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	2969
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	2970 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	2971 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	2972 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	2973 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	2974 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	2975 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	2976 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	2977 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	2978 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	2979 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	2980 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	2981 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	2982 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	2983 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	2984 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	2985 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	2986 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	2987 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	2988 //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	2989 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	2990
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	2991 *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	2992 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	2993 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	2994 retn(code);
895 13388ab6d78a Get Z80 core sort of working again post alignment change Michael Pavone <pavone@retrodev.com> parents: 894 diff changeset	2995 code->stack_off = tmp_stack_off;
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2996
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	2997 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	2998
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	2999 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	3000 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	3001
895 13388ab6d78a Get Z80 core sort of working again post alignment change Michael Pavone <pavone@retrodev.com> parents: 894 diff changeset	3002 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	3003 //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	3004 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	3005 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	3006 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	3007
895 13388ab6d78a Get Z80 core sort of working again post alignment change Michael Pavone <pavone@retrodev.com> parents: 894 diff changeset	3008 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	3009 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	3010 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	3011 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	3012 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	3013 //save PC
13388ab6d78a Get Z80 core sort of working again post alignment change Michael Pavone <pavone@retrodev.com> parents: 894 diff changeset	3014 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	3015 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	3016 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	3017 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	3018 //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	3019 //pop_rind(code, options->gen.context_reg);
2f1157f00dc6 Z80 core is now slightly less broken Michael Pavone <pavone@retrodev.com> parents: 895 diff changeset	3020 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	3021 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	3022 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	3023 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	3024
895 13388ab6d78a Get Z80 core sort of working again post alignment change Michael Pavone <pavone@retrodev.com> parents: 894 diff changeset	3025 //restore callee saved registers
13388ab6d78a Get Z80 core sort of working again post alignment change Michael Pavone <pavone@retrodev.com> parents: 894 diff changeset	3026 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	3027 //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	3028 retn(code);
895 13388ab6d78a Get Z80 core sort of working again post alignment change Michael Pavone <pavone@retrodev.com> parents: 894 diff changeset	3029 *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	3030 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	3031 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	3032 retn(code);
13388ab6d78a Get Z80 core sort of working again post alignment change Michael Pavone <pavone@retrodev.com> parents: 894 diff changeset	3033 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	3034
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3035 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	3036 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	3037 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	3038 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	3039 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	3040 //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	3041 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	3042 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	3043 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	3044 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	3045 //disable interrupts
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	3046 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	3047 mov_irdisp(code, 0, options->gen.context_reg, offsetof(z80_context, iff2), SZ_B);
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3048 cycles(&options->gen, 7);
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3049 //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	3050 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	3051 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	3052 //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	3053 //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	3054 //for a synchronization
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3055 check_cycles(&options->gen);
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3056 cycles(&options->gen, 3);
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3057 //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	3058 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	3059 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	3060 //restore word to write
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3061 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	3062 //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	3063 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	3064 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	3065 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	3066 check_cycles(&options->gen);
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3067 cycles(&options->gen, 3);
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3068 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	3069 //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	3070 add_ir(code, 16, RSP, SZ_PTR);
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3071 //TODO: Support interrupt mode 0 and 2
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3072 mov_ir(code, 0x38, options->gen.scratch1, SZ_W);
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	3073 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	3074 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	3075 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	3076 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	3077 //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	3078 retn(code);
895 13388ab6d78a Get Z80 core sort of working again post alignment change Michael Pavone <pavone@retrodev.com> parents: 894 diff changeset	3079 code->stack_off = tmp_stack_off;
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	3080
819 ab017fb09e77 Added support for an IO memory map in Z80 core Michael Pavone <pavone@retrodev.com> parents: 792 diff changeset	3081 //HACK
ab017fb09e77 Added support for an IO memory map in Z80 core Michael Pavone <pavone@retrodev.com> parents: 792 diff changeset	3082 options->gen.address_size = SZ_D;
ab017fb09e77 Added support for an IO memory map in Z80 core Michael Pavone <pavone@retrodev.com> parents: 792 diff changeset	3083 options->gen.address_mask = 0xFF;
ab017fb09e77 Added support for an IO memory map in Z80 core Michael Pavone <pavone@retrodev.com> parents: 792 diff changeset	3084 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	3085 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	3086 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	3087 options->gen.address_mask = 0xFFFF;
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	3088
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	3089 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	3090 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	3091 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	3092 //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	3093 //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	3094 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	3095 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	3096 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	3097 #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	3098 //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	3099 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	3100 #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	3101 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	3102 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	3103 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	3104 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	3105 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	3106 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	3107 #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	3108 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	3109 #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	3110 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	3111 #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	3112 retn(code);
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	3113
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	3114 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	3115 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	3116 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	3117 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	3118 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	3119 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	3120 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	3121 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	3122 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	3123 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	3124 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	3125 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	3126 //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	3127 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	3128 retn(code);
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	3129
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	3130 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	3131 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	3132 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	3133 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	3134 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	3135 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	3136 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	3137 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	3138 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	3139 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	3140 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	3141 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	3142 //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	3143 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	3144 retn(code);
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	3145
5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	3146 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	3147 tmp_stack_off = code->stack_off;
899 07bfbbbb4b2e Fix for Z80 retranslation post alignment rework Michael Pavone <pavone@retrodev.com> parents: 898 diff changeset	3148 //calculate size of patch
07bfbbbb4b2e Fix for Z80 retranslation post alignment rework Michael Pavone <pavone@retrodev.com> parents: 898 diff changeset	3149 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	3150 code->stack_off += sizeof(void *);
07bfbbbb4b2e Fix for Z80 retranslation post alignment rework Michael Pavone <pavone@retrodev.com> parents: 898 diff changeset	3151 if (code->stack_off & 0xF) {
07bfbbbb4b2e Fix for Z80 retranslation post alignment rework Michael Pavone <pavone@retrodev.com> parents: 898 diff changeset	3152 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	3153 }
07bfbbbb4b2e Fix for Z80 retranslation post alignment rework Michael Pavone <pavone@retrodev.com> parents: 898 diff changeset	3154 call_noalign(code, options->retrans_stub);
07bfbbbb4b2e Fix for Z80 retranslation post alignment rework Michael Pavone <pavone@retrodev.com> parents: 898 diff changeset	3155 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	3156 code->cur = options->retrans_stub;
07bfbbbb4b2e Fix for Z80 retranslation post alignment rework Michael Pavone <pavone@retrodev.com> parents: 898 diff changeset	3157 code->stack_off = tmp_stack_off;
07bfbbbb4b2e Fix for Z80 retranslation post alignment rework Michael Pavone <pavone@retrodev.com> parents: 898 diff changeset	3158
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	3159 //pop return address
5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	3160 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	3161 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	3162 code->stack_off = tmp_stack_off;
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	3163 call(code, options->gen.save_context);
5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	3164 //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	3165 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	3166 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	3167 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	3168 pop_r(code, options->gen.context_reg);
5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	3169 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	3170 call(code, options->gen.load_context);
5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	3171 jmp_r(code, options->gen.scratch1);
5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	3172
5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	3173 options->run = (z80_run_fun)code->cur;
895 13388ab6d78a Get Z80 core sort of working again post alignment change Michael Pavone <pavone@retrodev.com> parents: 894 diff changeset	3174 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	3175 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	3176 #ifdef X86_64
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	3177 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	3178 #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	3179 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	3180 #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	3181 call(code, options->load_context_scratch);
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	3182 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	3183 code_ptr no_extra = code->cur+1;
5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	3184 jcc(code, CC_Z, no_extra);
898 2f1157f00dc6 Z80 core is now slightly less broken Michael Pavone <pavone@retrodev.com> parents: 895 diff changeset	3185 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	3186 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	3187 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	3188 *no_extra = code->cur - (no_extra + 1);
5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	3189 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	3190 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	3191 }
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	3192
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	3193 void init_z80_context(z80_context * context, z80_options * options)
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	3194 {
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	3195 memset(context, 0, sizeof(*context));
360 c42fae88d346 Fix sizeof expression passed to malloc in z80_init to avoid a minor memory error Mike Pavone <pavone@retrodev.com> parents: 335 diff changeset	3196 context->static_code_map = malloc(sizeof(*context->static_code_map));
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	3197 context->static_code_map->base = NULL;
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	3198 context->static_code_map->offsets = malloc(sizeof(int32_t) * 0x2000);
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	3199 memset(context->static_code_map->offsets, 0xFF, sizeof(int32_t) * 0x2000);
627 c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses Michael Pavone <pavone@retrodev.com> parents: 626 diff changeset	3200 context->banked_code_map = malloc(sizeof(native_map_slot));
c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses Michael Pavone <pavone@retrodev.com> parents: 626 diff changeset	3201 memset(context->banked_code_map, 0, sizeof(native_map_slot));
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	3202 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	3203 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	3204 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	3205 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	3206 }
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	3207
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	3208 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	3209 {
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	3210 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	3211 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	3212 } 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	3213 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	3214 //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	3215 //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	3216 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	3217 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	3218 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	3219 }
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	3220 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	3221 {
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	3222 if (context->int_pulse_end < context->current_cycle \|\| 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	3223 z80_next_int_pulse(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	3224 }
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	3225 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	3226 context->int_cycle = context->int_pulse_start < context->int_enable_cycle ? context->int_enable_cycle : context->int_pulse_start;
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	3227 } 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	3228 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	3229 }
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	3230 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	3231 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	3232 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	3233 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	3234 }
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	3235 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	3236 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	3237 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	3238 }
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	3239 }
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	3240 }
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	3241 }
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	3242
884 252dfd29831d Selecting a second game from the menu now works Michael Pavone <pavone@retrodev.com> parents: 854 diff changeset	3243 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	3244 {
252dfd29831d Selecting a second game from the menu now works Michael Pavone <pavone@retrodev.com> parents: 854 diff changeset	3245 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	3246 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	3247 free(opts);
252dfd29831d Selecting a second game from the menu now works Michael Pavone <pavone@retrodev.com> parents: 854 diff changeset	3248 }
252dfd29831d Selecting a second game from the menu now works Michael Pavone <pavone@retrodev.com> parents: 854 diff changeset	3249
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	3250 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	3251 {
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	3252 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	3253 context->reset = 1;
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	3254 }
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	3255
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	3256 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	3257 {
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	3258 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	3259 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	3260 //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	3261 context->im = 0;
200ee73c7210 Remove/comment verbose logging added for tracking down sync bug Michael Pavone <pavone@retrodev.com> parents: 697 diff changeset	3262 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	3263 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	3264 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	3265 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	3266 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	3267 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	3268 //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	3269 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	3270 }
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	3271 }
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	3272 }
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	3273
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	3274 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	3275 {
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	3276 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	3277 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	3278 //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	3279 //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	3280 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	3281 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	3282 }
701 200ee73c7210 Remove/comment verbose logging added for tracking down sync bug Michael Pavone <pavone@retrodev.com> parents: 697 diff changeset	3283 }
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	3284
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	3285 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	3286 {
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	3287 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	3288 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	3289 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	3290 //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	3291 //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	3292 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	3293 }
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	3294
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	3295 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	3296 {
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	3297 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	3298 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	3299 }
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	3300
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	3301 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	3302 {
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	3303 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	3304 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	3305 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	3306 } 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	3307 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	3308 }
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	3309 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	3310 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	3311 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	3312 } 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	3313 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	3314 }
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	3315 }
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	3316 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	3317 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	3318 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	3319 } 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	3320 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	3321 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	3322 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	3323 } 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	3324 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	3325 }
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	3326 }
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	3327 }
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	3328 }
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	3329
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	3330 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	3331 {
966 f765c2fc7508 Fix crash bug in Z80 debugger introduced with stack alignment changes Michael Pavone <pavone@retrodev.com> parents: 900 diff changeset	3332 code_info code = {dst, dst+32};
659 759c38bf97f8 Minor Z80 core cleanup Michael Pavone <pavone@retrodev.com> parents: 657 diff changeset	3333 mov_ir(&code, address, context->options->gen.scratch1, SZ_W);
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	3334 call(&code, context->bp_stub);
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	3335 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	3336 }
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	3337
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	3338 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	3339 {
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	3340 z80_options * opts = context->options;
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	3341 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	3342 uint32_t start_stack_off = code->stack_off;
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	3343 check_code_prologue(code);
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	3344 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	3345
682 7ed1dbb48f61 Merge Michael Pavone <pavone@retrodev.com> parents: 676 559 diff changeset	3346 //Calculate length of prologue
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	3347 check_cycles_int(&opts->gen, 0);
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	3348 int check_int_size = code->cur-context->bp_stub;
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	3349 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	3350
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	3351 //Calculate length of patch
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	3352 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	3353
682 7ed1dbb48f61 Merge Michael Pavone <pavone@retrodev.com> parents: 676 559 diff changeset	3354 //Save context and call breakpoint handler
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	3355 call(code, opts->gen.save_context);
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	3356 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	3357 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	3358 mov_rr(code, RAX, opts->gen.context_reg, SZ_PTR);
682 7ed1dbb48f61 Merge Michael Pavone <pavone@retrodev.com> parents: 676 559 diff changeset	3359 //Restore context
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	3360 call(code, opts->gen.load_context);
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	3361 pop_r(code, opts->gen.scratch1);
682 7ed1dbb48f61 Merge Michael Pavone <pavone@retrodev.com> parents: 676 559 diff changeset	3362 //do prologue stuff
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	3363 or_rr(code, opts->gen.cycles, opts->gen.cycles, SZ_D);
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	3364 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	3365 jcc(code, CC_NS, code->cur + 7);
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	3366 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	3367 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	3368 push_r(code, opts->gen.scratch1);
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	3369 jmp(code, opts->gen.handle_cycle_limit_int);
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	3370 *jmp_off = code->cur - (jmp_off+1);
682 7ed1dbb48f61 Merge Michael Pavone <pavone@retrodev.com> parents: 676 559 diff changeset	3371 //jump back to body of translated instruction
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	3372 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	3373 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	3374 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	3375 code->stack_off = start_stack_off;
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	3376 }
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	3377
366 836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 363 diff changeset	3378 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	3379 {
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	3380 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	3381 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	3382 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	3383 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	3384 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	3385 zcreate_stub(context);
366 836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 363 diff changeset	3386 }
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	3387 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	3388 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	3389 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	3390 }
366 836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 363 diff changeset	3391 }
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 363 diff changeset	3392 }
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	3393
366 836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 363 diff changeset	3394 void zremove_breakpoint(z80_context * context, uint16_t address)
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 363 diff changeset	3395 {
819 ab017fb09e77 Added support for an IO memory map in Z80 core Michael Pavone <pavone@retrodev.com> parents: 792 diff changeset	3396 context->breakpoint_flags[address / 8] &= ~(1 << (address % 8));
366 836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 363 diff changeset	3397 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	3398 if (native) {
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	3399 z80_options * opts = context->options;
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	3400 code_info tmp_code = opts->gen.code;
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	3401 opts->gen.code.cur = native;
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	3402 opts->gen.code.last = native + 16;
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	3403 check_cycles_int(&opts->gen, address);
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	3404 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	3405 }
366 836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 363 diff changeset	3406 }
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 363 diff changeset	3407

Mercurial > repos > blastem

annotate z80_to_x86.c @ 1051:11ff5726fd5e