repos/blastem: z80_to_x86.c annotate

annotate z80_to_x86.c @ 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.

author	Michael Pavone <pavone@retrodev.com>
date	Sun, 24 Jul 2016 18:53:22 -0700
parents	a6c6b621d0dc
children	1625555e346e

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 if (modify) {
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	206 //pop_r(code, opts->gen.scratch2);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	207 mov_rdispr(code, opts->gen.context_reg, offsetof(z80_context, scratch1), opts->gen.scratch2, 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	208 }
4d4559b04c59 Make reset trigger debug exit to make 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 }
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	210 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	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:
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	213 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	214 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	215 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	216 case Z80_IMMED_INDIRECT:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	217 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	218 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	219 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	220 /*if (modify) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	221 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	222 }*/
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 if (size == SZ_B) {
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	224 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	225 } else {
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	226 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	227 }
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	228 if (modify) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	229 //pop_r(code, opts->gen.scratch2);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	230 mov_ir(code, inst->immed, opts->gen.scratch2, 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 }
4d4559b04c59 Make reset trigger debug exit to make 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 }
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	233 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	234 break;
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	235 case Z80_IX_DISPLACE:
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	236 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	237 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	238 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	239 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	240 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	241 if (modify) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	242 //push_r(code, opts->gen.scratch1);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	243 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	244 }
4d4559b04c59 Make reset trigger debug exit to make 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 if (size == SZ_B) {
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	246 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	247 } else {
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	248 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	249 }
4d4559b04c59 Make reset trigger debug exit to make 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 if (modify) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	251 //pop_r(code, opts->gen.scratch2);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	252 mov_rdispr(code, opts->gen.context_reg, offsetof(z80_context, scratch1), opts->gen.scratch2, 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	253 }
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	254 }
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	255 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	256 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	257 case Z80_UNUSED:
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	258 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	259 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	260 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	261 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	262 }
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	263 }
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	264
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	265 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	266 {
267 1788e3f29c28 Don't mix H regs with the REX prefix Mike Pavone <pavone@retrodev.com>* parents: 266 diff changeset	267 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	268 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	269 if (inst->reg == Z80_IYL) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	270 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	271 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	272 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	273 } else {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	274 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	275 }
267 1788e3f29c28 Don't mix H regs with the REX prefix Mike Pavone <pavone@retrodev.com>* parents: 266 diff changeset	276 } 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	277 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	278 #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	279 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	280 //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	281 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	282 }
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	283 #endif
267 1788e3f29c28 Don't mix H regs with the REX prefix Mike Pavone <pavone@retrodev.com>* parents: 266 diff changeset	284 }
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	285 }
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	286 }
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	287
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	288 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	289 {
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	290 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	291 {
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	292 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	293 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	294 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	295 case Z80_IY_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	296 if (z80_size(inst) == SZ_B) {
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	297 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	298 } else {
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	299 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	300 }
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	301 }
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	302 }
4d4559b04c59 Make reset trigger debug exit to make 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 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	305 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	306 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	307 };
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	308
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	309 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	310 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	311 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	312 };
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	313
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	314 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	315 {
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	316 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	317 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	318 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	319 (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	320 (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	321 (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	322 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	323 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	324 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	325 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	326 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	327 (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	328 (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	329 (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	330 exit(0);
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	331 }
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	332
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	333 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	334 {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	335 uint32_t num_cycles;
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	336 host_ea src_op, dst_op;
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	337 uint8_t size;
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	338 z80_options *opts = context->options;
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	339 uint8_t * start = opts->gen.code.cur;
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	340 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	341 if (!interp) {
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	342 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	343 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	344 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	345 }
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	346 #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	347 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	348 #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	349 }
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	350 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	351 {
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	352 case Z80_LD:
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	353 size = z80_size(inst);
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	354 switch (inst->addr_mode & 0x1F)
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	355 {
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	356 case Z80_REG:
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	357 case Z80_REG_INDIRECT:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	358 num_cycles = size == SZ_B ? 4 : 6;
841 58606d16d35c Fix timing of certain variants of LD Michael Pavone <pavone@retrodev.com> parents: 840 diff changeset	359 if (inst->ea_reg == Z80_IX \|\| inst->ea_reg == Z80_IY \|\| (inst->ea_reg >= Z80_IXL && inst->ea_reg <= Z80_IYH)) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	360 num_cycles += 4;
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	361 }
841 58606d16d35c Fix timing of certain variants of LD Michael Pavone <pavone@retrodev.com> parents: 840 diff changeset	362 if (inst->reg == Z80_I \|\| inst->ea_reg == Z80_I \|\| inst->reg == Z80_R \|\| inst->ea_reg == Z80_R) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	363 num_cycles += 5;
506 a3b48a57e847 Fix timing of certain ld and jp instructions in the Z80 core Michael Pavone <pavone@retrodev.com> parents: 505 diff changeset	364 }
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	365 break;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	366 case Z80_IMMED:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	367 num_cycles = size == SZ_B ? 7 : 10;
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	368 break;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	369 case Z80_IMMED_INDIRECT:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	370 num_cycles = 10;
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	371 break;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	372 case Z80_IX_DISPLACE:
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	373 case Z80_IY_DISPLACE:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	374 num_cycles = 16;
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	375 break;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	376 }
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	377 if ((inst->reg >= Z80_IXL && inst->reg <= Z80_IYH) \|\| inst->reg == Z80_IX \|\| inst->reg == Z80_IY) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	378 num_cycles += 4;
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	379 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	380 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	381 if (inst->addr_mode & Z80_DIR) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	382 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	383 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	384 } else {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	385 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	386 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	387 }
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	388 if (src_op.mode == MODE_REG_DIRECT) {
262 d97c9eca49f4 Implement ld to and from the I and R registers Mike Pavone <pavone@retrodev.com> parents: 261 diff changeset	389 if(dst_op.mode == MODE_REG_DISPLACE8) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	390 mov_rrdisp(code, src_op.base, dst_op.base, dst_op.disp, size);
262 d97c9eca49f4 Implement ld to and from the I and R registers Mike Pavone <pavone@retrodev.com> parents: 261 diff changeset	391 } else {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	392 mov_rr(code, src_op.base, dst_op.base, size);
262 d97c9eca49f4 Implement ld to and from the I and R registers Mike Pavone <pavone@retrodev.com> parents: 261 diff changeset	393 }
d97c9eca49f4 Implement ld to and from the I and R registers Mike Pavone <pavone@retrodev.com> parents: 261 diff changeset	394 } else if(src_op.mode == MODE_IMMED) {
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	395 if(dst_op.mode == MODE_REG_DISPLACE8) {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	396 mov_irdisp(code, src_op.disp, dst_op.base, dst_op.disp, size);
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	397 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	398 mov_ir(code, src_op.disp, dst_op.base, size);
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	399 }
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	400 } else {
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	401 if(dst_op.mode == MODE_REG_DISPLACE8) {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	402 mov_rdispr(code, src_op.base, src_op.disp, opts->gen.scratch1, size);
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	403 mov_rrdisp(code, opts->gen.scratch1, dst_op.base, dst_op.disp, size);
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	404 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	405 mov_rdispr(code, src_op.base, src_op.disp, dst_op.base, size);
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	406 }
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	407 }
842 ba93a3941300 Set flags for ld a, r Michael Pavone <pavone@retrodev.com> parents: 841 diff changeset	408 if ((inst->ea_reg == Z80_I \|\| inst->ea_reg == Z80_R) && inst->addr_mode == Z80_REG) {
ba93a3941300 Set flags for ld a, r Michael Pavone <pavone@retrodev.com> parents: 841 diff changeset	409 //ld a, i and ld a, r sets some flags
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	410 cmp_ir(code, 0, dst_op.base, SZ_B);
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	411 setcc_rdisp(code, CC_Z, opts->gen.context_reg, zf_off(ZF_Z));
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	412 setcc_rdisp(code, CC_S, opts->gen.context_reg, zf_off(ZF_S));
821 21a69dfb6ee7 Implement half carry for a couple of the trivial cases Michael Pavone <pavone@retrodev.com> parents: 819 diff changeset	413 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_H), SZ_B);;
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	414 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_N), SZ_B);;
659 759c38bf97f8 Minor Z80 core cleanup Michael Pavone <pavone@retrodev.com> parents: 657 diff changeset	415 mov_rdispr(code, opts->gen.context_reg, offsetof(z80_context, iff2), opts->gen.scratch1, SZ_B);
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	416 mov_rrdisp(code, opts->gen.scratch1, opts->gen.context_reg, zf_off(ZF_PV), SZ_B);
651 103d5cabbe14 Fix flags for rra, rrca, rla and rlca. Fix timing for rr, rrc, rl and rlc when using IX or IY. Fix access to I and R registers (R still needs to be made 7-bit though). Fix flags for ld a, i. The fix for access to I fixes PCM playback in Titan Overdrive and music playback in Crackdown. Michael Pavone <pavone@retrodev.com> parents: 644 diff changeset	417 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	418 z80_save_reg(inst, opts);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	419 z80_save_ea(code, inst, opts);
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	420 if (inst->addr_mode & Z80_DIR) {
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	421 z80_save_result(opts, inst);
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	422 }
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	423 break;
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	424 case Z80_PUSH:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	425 cycles(&opts->gen, (inst->reg == Z80_IX \|\| inst->reg == Z80_IY) ? 9 : 5);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	426 sub_ir(code, 2, opts->regs[Z80_SP], SZ_W);
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	427 if (inst->reg == Z80_AF) {
729 9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	428 zreg_to_native(opts, Z80_A, opts->gen.scratch1);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	429 shl_ir(code, 8, opts->gen.scratch1, SZ_W);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	430 mov_rdispr(code, opts->gen.context_reg, zf_off(ZF_S), opts->gen.scratch1, SZ_B);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	431 shl_ir(code, 1, opts->gen.scratch1, SZ_B);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	432 or_rdispr(code, opts->gen.context_reg, zf_off(ZF_Z), opts->gen.scratch1, SZ_B);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	433 shl_ir(code, 2, opts->gen.scratch1, SZ_B);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	434 or_rdispr(code, opts->gen.context_reg, zf_off(ZF_H), opts->gen.scratch1, SZ_B);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	435 shl_ir(code, 2, opts->gen.scratch1, SZ_B);
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_PV), opts->gen.scratch1, SZ_B);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	437 shl_ir(code, 1, opts->gen.scratch1, SZ_B);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	438 or_rdispr(code, opts->gen.context_reg, zf_off(ZF_N), opts->gen.scratch1, SZ_B);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	439 shl_ir(code, 1, opts->gen.scratch1, SZ_B);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	440 or_rdispr(code, opts->gen.context_reg, zf_off(ZF_C), opts->gen.scratch1, SZ_B);
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	441 } 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	442 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	443 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	444 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	445 call(code, opts->write_16_highfirst);
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	446 //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	447 //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	448 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	449 case Z80_POP:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	450 cycles(&opts->gen, (inst->reg == Z80_IX \|\| inst->reg == Z80_IY) ? 8 : 4);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	451 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	452 call(code, opts->read_16);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	453 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	454 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	455
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	456 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	457 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	458 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	459 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	460 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	461 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	462 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	463 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	464 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	465 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	466 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	467 setcc_rdisp(code, CC_C, 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	468 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	469 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	470 } 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	471 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	472 }
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	473 //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	474 //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	475 break;
241 2586d49ddd46 Implement EX, EXX and RST in Z80 core Mike Pavone <pavone@retrodev.com> parents: 239 diff changeset	476 case Z80_EX:
2586d49ddd46 Implement EX, EXX and RST in Z80 core Mike Pavone <pavone@retrodev.com> parents: 239 diff changeset	477 if (inst->addr_mode == Z80_REG \|\| inst->reg == Z80_HL) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	478 num_cycles = 4;
241 2586d49ddd46 Implement EX, EXX and RST in Z80 core Mike Pavone <pavone@retrodev.com> parents: 239 diff changeset	479 } else {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	480 num_cycles = 8;
241 2586d49ddd46 Implement EX, EXX and RST in Z80 core Mike Pavone <pavone@retrodev.com> parents: 239 diff changeset	481 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	482 cycles(&opts->gen, num_cycles);
241 2586d49ddd46 Implement EX, EXX and RST in Z80 core Mike Pavone <pavone@retrodev.com> parents: 239 diff changeset	483 if (inst->addr_mode == Z80_REG) {
2586d49ddd46 Implement EX, EXX and RST in Z80 core Mike Pavone <pavone@retrodev.com> parents: 239 diff changeset	484 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	485 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	486 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	487 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	488 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	489
241 2586d49ddd46 Implement EX, EXX and RST in Z80 core Mike Pavone <pavone@retrodev.com> parents: 239 diff changeset	490 //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	491 //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	492 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	493 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	494 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	495 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	496 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	497 }
2586d49ddd46 Implement EX, EXX and RST in Z80 core Mike Pavone <pavone@retrodev.com> parents: 239 diff changeset	498 } 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	499 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	500 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	501 } 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	502 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	503 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	504 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	505 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	506 }
241 2586d49ddd46 Implement EX, EXX and RST in Z80 core Mike Pavone <pavone@retrodev.com> parents: 239 diff changeset	507 }
2586d49ddd46 Implement EX, EXX and RST in Z80 core Mike Pavone <pavone@retrodev.com> parents: 239 diff changeset	508 } else {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	509 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	510 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	511 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	512 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	513 } 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	514 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	515 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	516 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	517 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	518 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	519 call(code, opts->write_8);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	520 cycles(&opts->gen, 1);
241 2586d49ddd46 Implement EX, EXX and RST in Z80 core Mike Pavone <pavone@retrodev.com> parents: 239 diff changeset	521 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	522 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	523 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	524 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	525 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	526 //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	527 //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	528 //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	529 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	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 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	532 //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	533 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	534 } 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	535 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	536 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	537 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	538 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	539 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	540 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	541 call(code, opts->write_8);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	542 cycles(&opts->gen, 2);
241 2586d49ddd46 Implement EX, EXX and RST in Z80 core Mike Pavone <pavone@retrodev.com> parents: 239 diff changeset	543 }
2586d49ddd46 Implement EX, EXX and RST in Z80 core Mike Pavone <pavone@retrodev.com> parents: 239 diff changeset	544 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	545 case Z80_EXX:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	546 cycles(&opts->gen, 4);
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	547 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	548 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	549 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	550 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	551
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	552 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	553 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	554 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	555 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	556
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	557 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	558 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	559 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	560 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	561 break;
272 9b04b57434b5 Implement LDI Mike Pavone <pavone@retrodev.com> parents: 269 diff changeset	562 case Z80_LDI: {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	563 cycles(&opts->gen, 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	564 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	565 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	566 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	567 call(code, opts->write_8);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	568 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	569 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	570 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	571 } 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	572 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	573 }
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 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	575 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	576 } 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	577 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	578 }
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 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	580 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	581 } 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	582 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	583 }
821 21a69dfb6ee7 Implement half carry for a couple of the trivial cases Michael Pavone <pavone@retrodev.com> parents: 819 diff changeset	584 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	585 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	586 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	587 break;
9b04b57434b5 Implement LDI Mike Pavone <pavone@retrodev.com> parents: 269 diff changeset	588 }
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	589 case Z80_LDIR: {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	590 cycles(&opts->gen, 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	591 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	592 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	593 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	594 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	595 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	596 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	597 } 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	598 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	599 }
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 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	601 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	602 } 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	603 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	604 }
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 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	606 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	607 } 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	608 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	609 }
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	610 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	611 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	612 uint8_t * cont = code->cur+1;
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	613 jcc(code, CC_Z, code->cur+2);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	614 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	615 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	616 jmp(code, start);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	617 *cont = code->cur - (cont + 1);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	618 cycles(&opts->gen, 2);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	619 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	620 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	621 }
273 719b9fea2fe9 Implement LDD and LDDR Mike Pavone <pavone@retrodev.com> parents: 272 diff changeset	622 case Z80_LDD: {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	623 cycles(&opts->gen, 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	624 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	625 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	626 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	627 call(code, opts->write_8);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	628 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	629 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	630 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	631 } 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	632 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	633 }
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 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	635 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	636 } 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	637 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	638 }
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 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	640 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	641 } 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	642 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	643 }
821 21a69dfb6ee7 Implement half carry for a couple of the trivial cases Michael Pavone <pavone@retrodev.com> parents: 819 diff changeset	644 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	645 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	646 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	647 break;
719b9fea2fe9 Implement LDD and LDDR Mike Pavone <pavone@retrodev.com> parents: 272 diff changeset	648 }
719b9fea2fe9 Implement LDD and LDDR Mike Pavone <pavone@retrodev.com> parents: 272 diff changeset	649 case Z80_LDDR: {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	650 cycles(&opts->gen, 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	651 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	652 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	653 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	654 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	655 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	656 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	657 } 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	658 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	659 }
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 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	661 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	662 } 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	663 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	664 }
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 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	666 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	667 } 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	668 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	669 }
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	670 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	671 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	672 uint8_t * cont = code->cur+1;
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	673 jcc(code, CC_Z, code->cur+2);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	674 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	675 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	676 jmp(code, start);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	677 *cont = code->cur - (cont + 1);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	678 cycles(&opts->gen, 2);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	679 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	680 break;
719b9fea2fe9 Implement LDD and LDDR Mike Pavone <pavone@retrodev.com> parents: 272 diff changeset	681 }
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	682 case Z80_CPI:
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	683 cycles(&opts->gen, 8);//T-States 4,4
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	684 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	685 call(code, opts->read_8);//T-States 3
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 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	687 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	688 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	689 setcc_rdisp(code, CC_S, opts->gen.context_reg, zf_off(ZF_S));
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	690 //TODO: Implement half-carry flag
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	691 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	692 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	693 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	694 } 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	695 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	696 }
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 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	698 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	699 } 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	700 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	701 }
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 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	703 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	704 case Z80_CPIR: {
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	705 cycles(&opts->gen, 8);//T-States 4,4
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	706 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	707 call(code, opts->read_8);//T-States 3
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	708 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	709 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	710 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	711 setcc_rdisp(code, CC_S, opts->gen.context_reg, zf_off(ZF_S));
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 //TODO: Implement half-carry flag
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 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	714 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	715 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	716 } 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	717 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	718 }
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 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	720 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	721 } 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	722 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	723 }
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	724 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	725 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	726 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	727 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	728 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	729 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	730 //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	731 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	732 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	733 *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	734 *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	735 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	736 }
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	737 case Z80_CPD:
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	738 cycles(&opts->gen, 8);//T-States 4,4
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	739 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	740 call(code, opts->read_8);//T-States 3
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 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	742 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	743 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	744 setcc_rdisp(code, CC_S, opts->gen.context_reg, zf_off(ZF_S));
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 //TODO: Implement half-carry flag
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 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	747 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	748 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	749 } 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	750 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	751 }
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 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	753 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	754 } 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	755 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	756 }
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 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	758 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	759 case Z80_CPDR: {
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	760 cycles(&opts->gen, 8);//T-States 4,4
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 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	762 call(code, opts->read_8);//T-States 3
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	763 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	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));
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	767 //TODO: Implement half-carry flag
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	768 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	769 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	770 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	771 } 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	772 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	773 }
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	774 if (opts->regs[Z80_BC] >= 0) {
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	775 sub_ir(code, 1, opts->regs[Z80_BC], SZ_W);
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	776 } else {
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	777 sub_irdisp(code, 1, opts->gen.context_reg, zr_off(Z80_BC), SZ_W);
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	778 }
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	779 setcc_rdisp(code, CC_NZ, opts->gen.context_reg, zf_off(ZF_PV));
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	780 uint8_t * cont = code->cur+1;
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	781 jcc(code, CC_Z, code->cur+2);
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	782 cmp_rr(code, opts->gen.scratch1, opts->regs[Z80_A], SZ_B);
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	783 uint8_t * cont2 = code->cur+1;
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	784 jcc(code, CC_Z, code->cur+2);
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	785 //repeat case
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	786 cycles(&opts->gen, 5);//T-States 5
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	787 jmp(code, start);
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	788 *cont = code->cur - (cont + 1);
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	789 *cont2 = code->cur - (cont2 + 1);
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	790 break;
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through. Michael Pavone <pavone@retrodev.com> parents: 1042 diff changeset	791 }
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	792 case Z80_ADD:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	793 num_cycles = 4;
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	794 if (inst->addr_mode == Z80_IX_DISPLACE \|\| inst->addr_mode == Z80_IY_DISPLACE) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	795 num_cycles += 12;
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	796 } 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	797 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	798 } 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	799 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	800 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	801 cycles(&opts->gen, num_cycles);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	802 translate_z80_reg(inst, &dst_op, opts);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	803 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	804 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	805 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	806 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	807 } 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	808 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	809 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	810 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	811 }
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	812 } else {
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	813 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	814 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	815 } 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	816 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	817 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	818 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	819 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	820 }
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	821 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	822 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	823 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	824 //TODO: Implement half-carry flag
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	825 if (z80_size(inst) == SZ_B) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	826 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	827 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	828 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	829 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	830 z80_save_reg(inst, opts);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	831 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	832 break;
248 9c7a3db7bcd0 Implement ADC and SBC in Z80 core (untested) Mike Pavone <pavone@retrodev.com> parents: 247 diff changeset	833 case Z80_ADC:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	834 num_cycles = 4;
248 9c7a3db7bcd0 Implement ADC and SBC in Z80 core (untested) Mike Pavone <pavone@retrodev.com> parents: 247 diff changeset	835 if (inst->addr_mode == Z80_IX_DISPLACE \|\| inst->addr_mode == Z80_IY_DISPLACE) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	836 num_cycles += 12;
248 9c7a3db7bcd0 Implement ADC and SBC in Z80 core (untested) Mike Pavone <pavone@retrodev.com> parents: 247 diff changeset	837 } 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	838 num_cycles += 3;
248 9c7a3db7bcd0 Implement ADC and SBC in Z80 core (untested) Mike Pavone <pavone@retrodev.com> parents: 247 diff changeset	839 } 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	840 num_cycles += 4;
248 9c7a3db7bcd0 Implement ADC and SBC in Z80 core (untested) Mike Pavone <pavone@retrodev.com> parents: 247 diff changeset	841 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	842 cycles(&opts->gen, num_cycles);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	843 translate_z80_reg(inst, &dst_op, opts);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	844 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	845 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	846 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	847 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	848 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	849 } 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	850 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	851 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	852 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	853 }
248 9c7a3db7bcd0 Implement ADC and SBC in Z80 core (untested) Mike Pavone <pavone@retrodev.com> parents: 247 diff changeset	854 } else {
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	855 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	856 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	857 } 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	858 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	859 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	860 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	861 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	862 }
248 9c7a3db7bcd0 Implement ADC and SBC in Z80 core (untested) Mike Pavone <pavone@retrodev.com> parents: 247 diff changeset	863 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	864 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	865 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_N), SZ_B);
248 9c7a3db7bcd0 Implement ADC and SBC in Z80 core (untested) Mike Pavone <pavone@retrodev.com> parents: 247 diff changeset	866 //TODO: Implement half-carry flag
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	867 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	868 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	869 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	870 z80_save_reg(inst, opts);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	871 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	872 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	873 case Z80_SUB:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	874 num_cycles = 4;
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	875 if (inst->addr_mode == Z80_IX_DISPLACE \|\| inst->addr_mode == Z80_IY_DISPLACE) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	876 num_cycles += 12;
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	877 } 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	878 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	879 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	880 cycles(&opts->gen, num_cycles);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	881 translate_z80_reg(inst, &dst_op, opts);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	882 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	883 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	884 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	885 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	886 } 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	887 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	888 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	889 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	890 }
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	891 } else {
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	892 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	893 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	894 } 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	895 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	896 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	897 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	898 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	899 }
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	900 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	901 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	902 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	903 setcc_rdisp(code, CC_O, opts->gen.context_reg, zf_off(ZF_PV));
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 //TODO: Implement half-carry flag
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	905 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	906 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	907 z80_save_reg(inst, opts);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	908 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	909 break;
248 9c7a3db7bcd0 Implement ADC and SBC in Z80 core (untested) Mike Pavone <pavone@retrodev.com> parents: 247 diff changeset	910 case Z80_SBC:
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 if (inst->addr_mode == Z80_IX_DISPLACE \|\| inst->addr_mode == Z80_IY_DISPLACE) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	913 num_cycles += 12;
248 9c7a3db7bcd0 Implement ADC and SBC in Z80 core (untested) Mike Pavone <pavone@retrodev.com> parents: 247 diff changeset	914 } 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	915 num_cycles += 3;
248 9c7a3db7bcd0 Implement ADC and SBC in Z80 core (untested) Mike Pavone <pavone@retrodev.com> parents: 247 diff changeset	916 } 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	917 num_cycles += 4;
248 9c7a3db7bcd0 Implement ADC and SBC in Z80 core (untested) Mike Pavone <pavone@retrodev.com> parents: 247 diff changeset	918 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	919 cycles(&opts->gen, num_cycles);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	920 translate_z80_reg(inst, &dst_op, opts);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	921 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	922 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	923 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	924 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	925 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	926 } 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	927 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	928 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	929 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	930 }
248 9c7a3db7bcd0 Implement ADC and SBC in Z80 core (untested) Mike Pavone <pavone@retrodev.com> parents: 247 diff changeset	931 } else {
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	932 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	933 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	934 } 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	935 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	936 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	937 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	938 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	939 }
248 9c7a3db7bcd0 Implement ADC and SBC in Z80 core (untested) Mike Pavone <pavone@retrodev.com> parents: 247 diff changeset	940 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	941 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	942 mov_irdisp(code, 1, opts->gen.context_reg, zf_off(ZF_N), SZ_B);
248 9c7a3db7bcd0 Implement ADC and SBC in Z80 core (untested) Mike Pavone <pavone@retrodev.com> parents: 247 diff changeset	943 //TODO: Implement half-carry flag
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	944 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	945 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	946 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	947 z80_save_reg(inst, opts);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	948 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	949 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	950 case Z80_AND:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	951 num_cycles = 4;
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	952 if (inst->addr_mode == Z80_IX_DISPLACE \|\| inst->addr_mode == Z80_IY_DISPLACE) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	953 num_cycles += 12;
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	954 } 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	955 num_cycles += 3;
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	956 } 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	957 num_cycles += 4;
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	958 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	959 cycles(&opts->gen, num_cycles);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	960 translate_z80_reg(inst, &dst_op, opts);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	961 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	962 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	963 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	964 } 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	965 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	966 } else {
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	967 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	968 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	969 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	970 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	971 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	972 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	973 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	974 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	975 z80_save_reg(inst, opts);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	976 z80_save_ea(code, inst, opts);
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	977 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	978 case Z80_OR:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	979 num_cycles = 4;
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	980 if (inst->addr_mode == Z80_IX_DISPLACE \|\| inst->addr_mode == Z80_IY_DISPLACE) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	981 num_cycles += 12;
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	982 } 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	983 num_cycles += 3;
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	984 } 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	985 num_cycles += 4;
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	986 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	987 cycles(&opts->gen, num_cycles);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	988 translate_z80_reg(inst, &dst_op, opts);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	989 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	990 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	991 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	992 } 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	993 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	994 } else {
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	995 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	996 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	997 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	998 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	999 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	1000 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	1001 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	1002 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	1003 z80_save_reg(inst, opts);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1004 z80_save_ea(code, inst, opts);
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1005 break;
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	1006 case Z80_XOR:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1007 num_cycles = 4;
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1008 if (inst->addr_mode == Z80_IX_DISPLACE \|\| inst->addr_mode == Z80_IY_DISPLACE) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1009 num_cycles += 12;
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1010 } 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	1011 num_cycles += 3;
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1012 } 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	1013 num_cycles += 4;
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1014 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1015 cycles(&opts->gen, num_cycles);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1016 translate_z80_reg(inst, &dst_op, opts);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1017 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	1018 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	1019 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	1020 } 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	1021 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	1022 } else {
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1023 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	1024 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1025 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	1026 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	1027 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	1028 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	1029 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	1030 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	1031 z80_save_reg(inst, opts);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1032 z80_save_ea(code, inst, opts);
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1033 break;
242 d3b84b2a4397 Implemente CP (untested) Mike Pavone <pavone@retrodev.com> parents: 241 diff changeset	1034 case Z80_CP:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1035 num_cycles = 4;
242 d3b84b2a4397 Implemente CP (untested) Mike Pavone <pavone@retrodev.com> parents: 241 diff changeset	1036 if (inst->addr_mode == Z80_IX_DISPLACE \|\| inst->addr_mode == Z80_IY_DISPLACE) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1037 num_cycles += 12;
242 d3b84b2a4397 Implemente CP (untested) Mike Pavone <pavone@retrodev.com> parents: 241 diff changeset	1038 } 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	1039 num_cycles += 3;
242 d3b84b2a4397 Implemente CP (untested) Mike Pavone <pavone@retrodev.com> parents: 241 diff changeset	1040 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1041 cycles(&opts->gen, num_cycles);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1042 translate_z80_reg(inst, &dst_op, opts);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1043 translate_z80_ea(inst, &src_op, opts, READ, DONT_MODIFY);
242 d3b84b2a4397 Implemente CP (untested) Mike Pavone <pavone@retrodev.com> parents: 241 diff changeset	1044 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	1045 cmp_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	1046 } 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	1047 cmp_ir(code, src_op.disp, dst_op.base, z80_size(inst));
242 d3b84b2a4397 Implemente CP (untested) Mike Pavone <pavone@retrodev.com> parents: 241 diff changeset	1048 } else {
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1049 cmp_rdispr(code, src_op.base, src_op.disp, dst_op.base, z80_size(inst));
242 d3b84b2a4397 Implemente CP (untested) Mike Pavone <pavone@retrodev.com> parents: 241 diff changeset	1050 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1051 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	1052 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	1053 setcc_rdisp(code, CC_O, opts->gen.context_reg, zf_off(ZF_PV));
242 d3b84b2a4397 Implemente CP (untested) Mike Pavone <pavone@retrodev.com> parents: 241 diff changeset	1054 //TODO: Implement half-carry flag
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1055 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	1056 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	1057 z80_save_reg(inst, opts);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1058 z80_save_ea(code, inst, opts);
242 d3b84b2a4397 Implemente CP (untested) Mike Pavone <pavone@retrodev.com> parents: 241 diff changeset	1059 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	1060 case Z80_INC:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1061 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	1062 if (inst->reg == Z80_IX \|\| inst->reg == Z80_IY) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1063 num_cycles += 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	1064 } 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	1065 num_cycles += 2;
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	1066 } else if(inst->reg == Z80_IXH \|\| inst->reg == Z80_IXL \|\| inst->reg == Z80_IYH \|\| inst->reg == Z80_IYL \|\| inst->addr_mode == Z80_IX_DISPLACE \|\| inst->addr_mode == Z80_IY_DISPLACE) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1067 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	1068 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1069 cycles(&opts->gen, num_cycles);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1070 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	1071 if (dst_op.mode == MODE_UNUSED) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1072 translate_z80_ea(inst, &dst_op, opts, READ, 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	1073 }
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1074 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	1075 add_ir(code, 1, 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	1076 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1077 add_irdisp(code, 1, 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	1078 }
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	1079 if (z80_size(inst) == SZ_B) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1080 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	1081 //TODO: Implement half-carry flag
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1082 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	1083 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	1084 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	1085 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1086 z80_save_reg(inst, opts);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1087 z80_save_ea(code, inst, opts);
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	1088 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	1089 break;
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1090 case Z80_DEC:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1091 num_cycles = 4;
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1092 if (inst->reg == Z80_IX \|\| inst->reg == Z80_IY) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1093 num_cycles += 6;
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1094 } 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	1095 num_cycles += 2;
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1096 } else if(inst->reg == Z80_IXH \|\| inst->reg == Z80_IXL \|\| inst->reg == Z80_IYH \|\| inst->reg == Z80_IYL \|\| inst->addr_mode == Z80_IX_DISPLACE \|\| inst->addr_mode == Z80_IY_DISPLACE) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1097 num_cycles += 4;
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1098 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1099 cycles(&opts->gen, num_cycles);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1100 translate_z80_reg(inst, &dst_op, opts);
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1101 if (dst_op.mode == MODE_UNUSED) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1102 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	1103 }
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1104 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	1105 sub_ir(code, 1, 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	1106 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1107 sub_irdisp(code, 1, dst_op.base, dst_op.disp, z80_size(inst));
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1108 }
840 5822c6e5642f Fix timing of IM instruction Michael Pavone <pavone@retrodev.com> parents: 828 diff changeset	1109
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1110 if (z80_size(inst) == SZ_B) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1111 mov_irdisp(code, 1, opts->gen.context_reg, zf_off(ZF_N), SZ_B);
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1112 //TODO: Implement half-carry flag
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1113 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	1114 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	1115 setcc_rdisp(code, CC_S, opts->gen.context_reg, zf_off(ZF_S));
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1116 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1117 z80_save_reg(inst, opts);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1118 z80_save_ea(code, inst, opts);
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	1119 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	1120 break;
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	1121 case Z80_DAA:
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	1122 cycles(&opts->gen, 4);
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 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	1124 cmp_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	1125 code_ptr corf_low = 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	1126 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	1127 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	1128 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	1129 cmp_ir(code, 0xA, 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	1130
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	1131 code_ptr no_corf_low = 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	1132 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	1133 *corf_low = code->cur - (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	1134 mov_ir(code, 6, 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	1135 //TODO: Deal with edge case of 9 in high nibble
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	1136 mov_ir(code, 0x90, 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	1137 code_ptr after_cmp_set = 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	1138 jmp(code, 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	1139
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	1140 *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	1141 mov_ir(code, 0xA0, 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	1142 *after_cmp_set = code->cur - (after_cmp_set + 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	1143 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	1144 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	1145 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	1146 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	1147 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	1148 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	1149 *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	1150 or_ir(code, 0x60, 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	1151 *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	1152
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 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	1154 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	1155 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	1156 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	1157 *not_sub = code->cur - (not_sub + 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	1158 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	1159 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	1160 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	1161 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	1162 code_ptr no_carry = 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	1163 jcc(code, CC_NC, code->cur+2);
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	1164 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	1165 *no_carry = code->cur - (no_carry + 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	1166 //TODO: Implement half-carry flag
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	1167 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	1168 case Z80_CPL:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1169 cycles(&opts->gen, 4);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1170 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	1171 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	1172 mov_irdisp(code, 1, opts->gen.context_reg, zf_off(ZF_N), SZ_B);
274 be2b845d3e94 Implement CPL and NEG (untested) Mike Pavone <pavone@retrodev.com> parents: 273 diff changeset	1173 break;
be2b845d3e94 Implement CPL and NEG (untested) Mike Pavone <pavone@retrodev.com> parents: 273 diff changeset	1174 case Z80_NEG:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1175 cycles(&opts->gen, 8);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1176 neg_r(code, opts->regs[Z80_A], SZ_B);
274 be2b845d3e94 Implement CPL and NEG (untested) Mike Pavone <pavone@retrodev.com> parents: 273 diff changeset	1177 //TODO: Implement half-carry flag
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1178 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	1179 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	1180 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	1181 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	1182 mov_irdisp(code, 1, opts->gen.context_reg, zf_off(ZF_N), SZ_B);
274 be2b845d3e94 Implement CPL and NEG (untested) Mike Pavone <pavone@retrodev.com> parents: 273 diff changeset	1183 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	1184 case Z80_CCF:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1185 cycles(&opts->gen, 4);
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	1186 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	1187 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	1188 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	1189 mov_rrdisp(code, opts->gen.scratch1, opts->gen.context_reg, zf_off(ZF_H), SZ_B);
257 4c7933444df4 Implement CCF and SCF Mike Pavone <pavone@retrodev.com> parents: 255 diff changeset	1190 break;
4c7933444df4 Implement CCF and SCF Mike Pavone <pavone@retrodev.com> parents: 255 diff changeset	1191 case Z80_SCF:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1192 cycles(&opts->gen, 4);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1193 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	1194 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	1195 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_H), SZ_B);
257 4c7933444df4 Implement CCF and SCF Mike Pavone <pavone@retrodev.com> parents: 255 diff changeset	1196 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	1197 case Z80_NOP:
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	1198 if (inst->immed == 42) {
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	1199 call(code, opts->gen.save_context);
657 92ce5ea5ffc9 Use call_args and call_args_abi in Z80 core Michael Pavone <pavone@retrodev.com> parents: 653 diff changeset	1200 call_args(code, (code_ptr)z80_print_regs_exit, 1, opts->gen.context_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	1201 } else {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1202 cycles(&opts->gen, 4 * inst->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	1203 }
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	1204 break;
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	1205 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	1206 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	1207 //this isn't terribly efficient, but it's good enough for now
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1208 cycles(&opts->gen, 4);
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	1209 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	1210 jmp(code, loop_top);
285 021aeb6df19b Implement HALT (sort of tested) Mike Pavone <pavone@retrodev.com> parents: 284 diff changeset	1211 break;
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	1212 }
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	1213 case Z80_DI:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1214 cycles(&opts->gen, 4);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1215 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	1216 mov_irdisp(code, 0, opts->gen.context_reg, offsetof(z80_context, iff2), SZ_B);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1217 mov_rdispr(code, opts->gen.context_reg, offsetof(z80_context, sync_cycle), opts->gen.limit, SZ_D);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1218 mov_irdisp(code, 0xFFFFFFFF, opts->gen.context_reg, offsetof(z80_context, int_cycle), SZ_D);
243 2f069a0b487e Implement EI, DI and IM in the Z80 core Mike Pavone <pavone@retrodev.com> parents: 242 diff changeset	1219 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	1220 case Z80_EI:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1221 cycles(&opts->gen, 4);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1222 mov_rrdisp(code, opts->gen.cycles, opts->gen.context_reg, offsetof(z80_context, int_enable_cycle), SZ_D);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1223 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	1224 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	1225 //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	1226 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	1227 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	1228 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	1229 case Z80_IM:
840 5822c6e5642f Fix timing of IM instruction Michael Pavone <pavone@retrodev.com> parents: 828 diff changeset	1230 cycles(&opts->gen, 8);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1231 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	1232 break;
247 682e505f5757 Implement rotation and bit set/reset instructions (untested). Mike Pavone <pavone@retrodev.com> parents: 246 diff changeset	1233 case Z80_RLC:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1234 num_cycles = inst->immed == 0 ? 4 : (inst->addr_mode == Z80_IX_DISPLACE \|\| inst->addr_mode == Z80_IY_DISPLACE ? 16 : 8);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1235 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	1236 if (inst->addr_mode != Z80_UNUSED) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1237 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	1238 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	1239 cycles(&opts->gen, 1);
247 682e505f5757 Implement rotation and bit set/reset instructions (untested). Mike Pavone <pavone@retrodev.com> parents: 246 diff changeset	1240 } else {
302 3b831fe32c15 More fixes for confusion between Z80_UNUSED and MODE_UNUSED Mike Pavone <pavone@retrodev.com> parents: 301 diff changeset	1241 src_op.mode = MODE_UNUSED;
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1242 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	1243 }
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1244 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	1245 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	1246 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1247 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	1248 }
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1249 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	1250 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	1251 } 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	1252 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	1253 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1254 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	1255 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	1256 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	1257 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	1258 //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	1259 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	1260 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	1261 } else {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1262 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	1263 }
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1264 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	1265 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	1266 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	1267 }
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	1268 if (inst->addr_mode != Z80_UNUSED) {
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	1269 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	1270 if (src_op.mode != MODE_UNUSED) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1271 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	1272 }
247 682e505f5757 Implement rotation and bit set/reset instructions (untested). Mike Pavone <pavone@retrodev.com> parents: 246 diff changeset	1273 } else {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1274 z80_save_reg(inst, opts);
247 682e505f5757 Implement rotation and bit set/reset instructions (untested). Mike Pavone <pavone@retrodev.com> parents: 246 diff changeset	1275 }
682e505f5757 Implement rotation and bit set/reset instructions (untested). Mike Pavone <pavone@retrodev.com> parents: 246 diff changeset	1276 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	1277 case Z80_RL:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1278 num_cycles = inst->immed == 0 ? 4 : (inst->addr_mode == Z80_IX_DISPLACE \|\| inst->addr_mode == Z80_IY_DISPLACE ? 16 : 8);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1279 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	1280 if (inst->addr_mode != Z80_UNUSED) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1281 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	1282 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	1283 cycles(&opts->gen, 1);
247 682e505f5757 Implement rotation and bit set/reset instructions (untested). Mike Pavone <pavone@retrodev.com> parents: 246 diff changeset	1284 } else {
302 3b831fe32c15 More fixes for confusion between Z80_UNUSED and MODE_UNUSED Mike Pavone <pavone@retrodev.com> parents: 301 diff changeset	1285 src_op.mode = MODE_UNUSED;
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1286 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	1287 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1288 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	1289 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	1290 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	1291 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1292 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	1293 }
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1294 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	1295 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	1296 } 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	1297 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	1298 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1299 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	1300 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	1301 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	1302 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	1303 //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	1304 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	1305 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	1306 } else {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1307 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	1308 }
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1309 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	1310 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	1311 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	1312 }
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	1313 if (inst->addr_mode != Z80_UNUSED) {
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	1314 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	1315 if (src_op.mode != MODE_UNUSED) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1316 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	1317 }
247 682e505f5757 Implement rotation and bit set/reset instructions (untested). Mike Pavone <pavone@retrodev.com> parents: 246 diff changeset	1318 } else {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1319 z80_save_reg(inst, opts);
247 682e505f5757 Implement rotation and bit set/reset instructions (untested). Mike Pavone <pavone@retrodev.com> parents: 246 diff changeset	1320 }
682e505f5757 Implement rotation and bit set/reset instructions (untested). Mike Pavone <pavone@retrodev.com> parents: 246 diff changeset	1321 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	1322 case Z80_RRC:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1323 num_cycles = inst->immed == 0 ? 4 : (inst->addr_mode == Z80_IX_DISPLACE \|\| inst->addr_mode == Z80_IY_DISPLACE ? 16 : 8);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1324 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	1325 if (inst->addr_mode != Z80_UNUSED) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1326 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	1327 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	1328 cycles(&opts->gen, 1);
247 682e505f5757 Implement rotation and bit set/reset instructions (untested). Mike Pavone <pavone@retrodev.com> parents: 246 diff changeset	1329 } else {
302 3b831fe32c15 More fixes for confusion between Z80_UNUSED and MODE_UNUSED Mike Pavone <pavone@retrodev.com> parents: 301 diff changeset	1330 src_op.mode = MODE_UNUSED;
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1331 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	1332 }
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1333 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	1334 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	1335 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1336 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	1337 }
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1338 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	1339 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	1340 } 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	1341 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	1342 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1343 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	1344 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	1345 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	1346 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	1347 //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	1348 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	1349 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	1350 } else {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1351 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	1352 }
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1353 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	1354 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	1355 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	1356 }
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	1357 if (inst->addr_mode != Z80_UNUSED) {
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	1358 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	1359 if (src_op.mode != MODE_UNUSED) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1360 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	1361 }
247 682e505f5757 Implement rotation and bit set/reset instructions (untested). Mike Pavone <pavone@retrodev.com> parents: 246 diff changeset	1362 } else {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1363 z80_save_reg(inst, opts);
247 682e505f5757 Implement rotation and bit set/reset instructions (untested). Mike Pavone <pavone@retrodev.com> parents: 246 diff changeset	1364 }
682e505f5757 Implement rotation and bit set/reset instructions (untested). Mike Pavone <pavone@retrodev.com> parents: 246 diff changeset	1365 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	1366 case Z80_RR:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1367 num_cycles = inst->immed == 0 ? 4 : (inst->addr_mode == Z80_IX_DISPLACE \|\| inst->addr_mode == Z80_IY_DISPLACE ? 16 : 8);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1368 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	1369 if (inst->addr_mode != Z80_UNUSED) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1370 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	1371 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	1372 cycles(&opts->gen, 1);
247 682e505f5757 Implement rotation and bit set/reset instructions (untested). Mike Pavone <pavone@retrodev.com> parents: 246 diff changeset	1373 } else {
302 3b831fe32c15 More fixes for confusion between Z80_UNUSED and MODE_UNUSED Mike Pavone <pavone@retrodev.com> parents: 301 diff changeset	1374 src_op.mode = MODE_UNUSED;
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1375 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	1376 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1377 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	1378 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	1379 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	1380 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1381 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	1382 }
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1383 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	1384 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	1385 } 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	1386 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	1387 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1388 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	1389 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	1390 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	1391 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	1392 //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	1393 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	1394 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	1395 } else {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1396 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	1397 }
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1398 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	1399 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	1400 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	1401 }
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	1402 if (inst->addr_mode != Z80_UNUSED) {
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	1403 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	1404 if (src_op.mode != MODE_UNUSED) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1405 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	1406 }
247 682e505f5757 Implement rotation and bit set/reset instructions (untested). Mike Pavone <pavone@retrodev.com> parents: 246 diff changeset	1407 } else {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1408 z80_save_reg(inst, opts);
247 682e505f5757 Implement rotation and bit set/reset instructions (untested). Mike Pavone <pavone@retrodev.com> parents: 246 diff changeset	1409 }
682e505f5757 Implement rotation and bit set/reset instructions (untested). Mike Pavone <pavone@retrodev.com> parents: 246 diff changeset	1410 break;
275 1a7d0a964ad2 Implement shift instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 274 diff changeset	1411 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	1412 case Z80_SLL:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1413 num_cycles = inst->addr_mode == Z80_IX_DISPLACE \|\| inst->addr_mode == Z80_IY_DISPLACE ? 16 : 8;
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1414 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	1415 if (inst->addr_mode != Z80_UNUSED) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1416 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	1417 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	1418 cycles(&opts->gen, 1);
275 1a7d0a964ad2 Implement shift instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 274 diff changeset	1419 } else {
302 3b831fe32c15 More fixes for confusion between Z80_UNUSED and MODE_UNUSED Mike Pavone <pavone@retrodev.com> parents: 301 diff changeset	1420 src_op.mode = MODE_UNUSED;
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1421 translate_z80_reg(inst, &dst_op, opts);
275 1a7d0a964ad2 Implement shift instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 274 diff changeset	1422 }
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1423 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	1424 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	1425 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1426 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	1427 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1428 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	1429 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	1430 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	1431 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	1432 } else {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1433 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	1434 }
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	1435 }
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1436 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	1437 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	1438 } 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	1439 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	1440 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1441 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	1442 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	1443 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	1444 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	1445 } else {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1446 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	1447 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1448 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	1449 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	1450 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	1451 if (inst->addr_mode != Z80_UNUSED) {
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	1452 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	1453 if (src_op.mode != MODE_UNUSED) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1454 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	1455 }
275 1a7d0a964ad2 Implement shift instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 274 diff changeset	1456 } else {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1457 z80_save_reg(inst, opts);
275 1a7d0a964ad2 Implement shift instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 274 diff changeset	1458 }
1a7d0a964ad2 Implement shift instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 274 diff changeset	1459 break;
1a7d0a964ad2 Implement shift instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 274 diff changeset	1460 case Z80_SRA:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1461 num_cycles = inst->addr_mode == Z80_IX_DISPLACE \|\| inst->addr_mode == Z80_IY_DISPLACE ? 16 : 8;
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1462 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	1463 if (inst->addr_mode != Z80_UNUSED) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1464 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	1465 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	1466 cycles(&opts->gen, 1);
275 1a7d0a964ad2 Implement shift instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 274 diff changeset	1467 } else {
302 3b831fe32c15 More fixes for confusion between Z80_UNUSED and MODE_UNUSED Mike Pavone <pavone@retrodev.com> parents: 301 diff changeset	1468 src_op.mode = MODE_UNUSED;
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1469 translate_z80_reg(inst, &dst_op, opts);
275 1a7d0a964ad2 Implement shift instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 274 diff changeset	1470 }
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 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	1473 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1474 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	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);
731 0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1484 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	1485 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	1486 } else {
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_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	1488 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1489 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	1490 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	1491 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	1492 if (inst->addr_mode != Z80_UNUSED) {
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	1493 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	1494 if (src_op.mode != MODE_UNUSED) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1495 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	1496 }
275 1a7d0a964ad2 Implement shift instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 274 diff changeset	1497 } else {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1498 z80_save_reg(inst, opts);
275 1a7d0a964ad2 Implement shift instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 274 diff changeset	1499 }
1a7d0a964ad2 Implement shift instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 274 diff changeset	1500 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	1501 case Z80_SRL:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1502 num_cycles = inst->addr_mode == Z80_IX_DISPLACE \|\| inst->addr_mode == Z80_IY_DISPLACE ? 16 : 8;
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1503 cycles(&opts->gen, num_cycles);
299 42e1a986f2d0 Fix calcuation of IX/IY dipslacements. Fix a bunch of stuff related to the IX/IY bit/shift/rotate instructions. Mike Pavone <pavone@retrodev.com> parents: 295 diff changeset	1504 if (inst->addr_mode != Z80_UNUSED) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1505 translate_z80_ea(inst, &dst_op, opts, READ, MODIFY);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1506 translate_z80_reg(inst, &src_op, opts); //For IX/IY variants that also write to a register
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1507 cycles(&opts->gen, 1);
275 1a7d0a964ad2 Implement shift instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 274 diff changeset	1508 } else {
302 3b831fe32c15 More fixes for confusion between Z80_UNUSED and MODE_UNUSED Mike Pavone <pavone@retrodev.com> parents: 301 diff changeset	1509 src_op.mode = MODE_UNUSED;
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1510 translate_z80_reg(inst, &dst_op, opts);
275 1a7d0a964ad2 Implement shift instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 274 diff changeset	1511 }
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1512 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	1513 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	1514 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1515 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	1516 }
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1517 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	1518 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	1519 } 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	1520 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	1521 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1522 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	1523 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	1524 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	1525 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	1526 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	1527 } else {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1528 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	1529 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1530 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	1531 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	1532 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	1533 if (inst->addr_mode != Z80_UNUSED) {
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	1534 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	1535 if (src_op.mode != MODE_UNUSED) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1536 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	1537 }
275 1a7d0a964ad2 Implement shift instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 274 diff changeset	1538 } else {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1539 z80_save_reg(inst, opts);
275 1a7d0a964ad2 Implement shift instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 274 diff changeset	1540 }
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	1541 break;
286 872a8911e0f4 Implemente RLD Mike Pavone <pavone@retrodev.com> parents: 285 diff changeset	1542 case Z80_RLD:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1543 cycles(&opts->gen, 8);
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	1544 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	1545 call(code, opts->read_8);
286 872a8911e0f4 Implemente RLD Mike Pavone <pavone@retrodev.com> parents: 285 diff changeset	1546 //Before: (HL) = 0x12, A = 0x34
872a8911e0f4 Implemente RLD Mike Pavone <pavone@retrodev.com> parents: 285 diff changeset	1547 //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	1548 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	1549 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	1550 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	1551 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	1552 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	1553 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	1554 //opts->gen.scratch1 = 0x0124
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1555 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	1556 cycles(&opts->gen, 4);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1557 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	1558 //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	1559 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	1560 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	1561 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	1562 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	1563 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	1564
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	1565 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	1566 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	1567 call(code, opts->write_8);
286 872a8911e0f4 Implemente RLD Mike Pavone <pavone@retrodev.com> parents: 285 diff changeset	1568 break;
287 fb840e0a48cd Implement RRD and implement flags on RLD Mike Pavone <pavone@retrodev.com> parents: 286 diff changeset	1569 case Z80_RRD:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1570 cycles(&opts->gen, 8);
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	1571 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	1572 call(code, opts->read_8);
287 fb840e0a48cd Implement RRD and implement flags on RLD Mike Pavone <pavone@retrodev.com> parents: 286 diff changeset	1573 //Before: (HL) = 0x12, A = 0x34
fb840e0a48cd Implement RRD and implement flags on RLD Mike Pavone <pavone@retrodev.com> parents: 286 diff changeset	1574 //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	1575 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	1576 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	1577 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	1578 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	1579 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	1580 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	1581 //opts->gen.scratch1 = 0x2001
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	1582 //opts->gen.scratch2 = 0x0040
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1583 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	1584 //opts->gen.scratch1 = 0x2041
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1585 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	1586 cycles(&opts->gen, 4);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1587 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	1588 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	1589 //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	1590 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	1591 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	1592 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	1593 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	1594 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	1595
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	1596 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	1597 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	1598 call(code, opts->write_8);
287 fb840e0a48cd Implement RRD and implement flags on RLD Mike Pavone <pavone@retrodev.com> parents: 286 diff changeset	1599 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	1600 case Z80_BIT: {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1601 num_cycles = (inst->addr_mode == Z80_IX_DISPLACE \|\| inst->addr_mode == Z80_IY_DISPLACE) ? 8 : 16;
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1602 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	1603 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	1604 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	1605 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	1606 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	1607 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	1608 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	1609 } 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	1610 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	1611 bit = inst->immed;
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1612 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	1613 }
239 a5bea9711a46 Implement BIT and DJNZ (tested). Fix register mapping for IYL. Mike Pavone <pavone@retrodev.com> parents: 238 diff changeset	1614 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	1615 //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	1616 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	1617 }
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 (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	1619 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	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 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	1622 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1623 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	1624 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	1625 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	1626 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	1627 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	1628 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	1629 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	1630 } else {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1631 cmp_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	1632 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1633 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	1634 } else {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1635 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	1636 }
239 a5bea9711a46 Implement BIT and DJNZ (tested). Fix register mapping for IYL. Mike Pavone <pavone@retrodev.com> parents: 238 diff changeset	1637 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	1638 }
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	1639 case Z80_SET: {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1640 num_cycles = (inst->addr_mode == Z80_IX_DISPLACE \|\| inst->addr_mode == Z80_IY_DISPLACE) ? 8 : 16;
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1641 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	1642 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	1643 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	1644 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	1645 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	1646 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	1647 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	1648 } 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	1649 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	1650 bit = inst->immed;
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1651 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	1652 }
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->reg != Z80_USE_IMMED) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1654 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	1655 }
247 682e505f5757 Implement rotation and bit set/reset instructions (untested). Mike Pavone <pavone@retrodev.com> parents: 246 diff changeset	1656 if (inst->addr_mode != Z80_REG) {
682e505f5757 Implement rotation and bit set/reset instructions (untested). Mike Pavone <pavone@retrodev.com> parents: 246 diff changeset	1657 //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	1658 cycles(&opts->gen, 1);
247 682e505f5757 Implement rotation and bit set/reset instructions (untested). Mike Pavone <pavone@retrodev.com> parents: 246 diff changeset	1659 }
731 0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1660 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	1661 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	1662 } else {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1663 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	1664 }
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	1665 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	1666 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	1667 #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	1668 if (dst_op.base >= R8) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1669 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	1670 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	1671 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	1672 } 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	1673 #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	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 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	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 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	1678 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	1679 }
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	1680 #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	1681 }
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	1682 #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	1683 } 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	1684 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	1685 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	1686 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	1687 } else {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1688 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	1689 }
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1690 } 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	1691 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	1692 } else {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1693 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	1694 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	1695 }
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	1696 }
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	1697 }
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	1698 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	1699 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	1700 if (inst->reg != Z80_USE_IMMED) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1701 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	1702 }
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	1703 }
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	1704 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	1705 }
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	1706 case Z80_RES: {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1707 num_cycles = (inst->addr_mode == Z80_IX_DISPLACE \|\| inst->addr_mode == Z80_IY_DISPLACE) ? 8 : 16;
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1708 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	1709 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	1710 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	1711 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	1712 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	1713 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	1714 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	1715 } 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	1716 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	1717 bit = inst->immed;
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1718 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	1719 }
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	1720 if (inst->reg != Z80_USE_IMMED) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1721 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	1722 }
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	1723 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	1724 //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	1725 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	1726 }
731 0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1727 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	1728 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	1729 } else {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1730 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	1731 }
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	1732 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	1733 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	1734 #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	1735 if (dst_op.base >= R8) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1736 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	1737 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	1738 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	1739 } 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	1740 #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	1741 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	1742 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	1743 } else {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1744 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	1745 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	1746 }
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	1747 #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	1748 }
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	1749 #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	1750 } 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	1751 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	1752 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	1753 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	1754 } else {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1755 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	1756 }
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1757 } 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	1758 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	1759 } else {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit Michael Pavone <pavone@retrodev.com> parents: 730 diff changeset	1760 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	1761 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	1762 }
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	1763 }
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	1764 }
247 682e505f5757 Implement rotation and bit set/reset instructions (untested). Mike Pavone <pavone@retrodev.com> parents: 246 diff changeset	1765 if (inst->addr_mode != Z80_REG) {
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	1766 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	1767 if (inst->reg != Z80_USE_IMMED) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1768 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	1769 }
247 682e505f5757 Implement rotation and bit set/reset instructions (untested). Mike Pavone <pavone@retrodev.com> parents: 246 diff changeset	1770 }
682e505f5757 Implement rotation and bit set/reset instructions (untested). Mike Pavone <pavone@retrodev.com> parents: 246 diff changeset	1771 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	1772 }
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1773 case Z80_JP: {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1774 num_cycles = 4;
506 a3b48a57e847 Fix timing of certain ld and jp instructions in the Z80 core Michael Pavone <pavone@retrodev.com> parents: 505 diff changeset	1775 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	1776 num_cycles += 6;
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1777 } else if(inst->ea_reg == Z80_IX \|\| inst->ea_reg == Z80_IY) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1778 num_cycles += 4;
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1779 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1780 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	1781 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	1782 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	1783 if (!call_dst) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1784 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	1785 //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	1786 call_dst = code->cur + 256;
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1787 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1788 jmp(code, call_dst);
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1789 } else {
239 a5bea9711a46 Implement BIT and DJNZ (tested). Fix register mapping for IYL. Mike Pavone <pavone@retrodev.com> parents: 238 diff changeset	1790 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	1791 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	1792 } else {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1793 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	1794 }
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	1795 call(code, opts->native_addr);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1796 jmp_r(code, opts->gen.scratch1);
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1797 }
19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1798 break;
19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1799 }
19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1800 case Z80_JPCC: {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1801 cycles(&opts->gen, 7);//T States: 4,3
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1802 uint8_t cond = CC_Z;
19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1803 switch (inst->reg)
19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1804 {
19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1805 case Z80_CC_NZ:
19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1806 cond = CC_NZ;
19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1807 case Z80_CC_Z:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1808 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	1809 break;
19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1810 case Z80_CC_NC:
19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1811 cond = CC_NZ;
19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1812 case Z80_CC_C:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1813 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	1814 break;
238 827ebce557bf Added the rest of the conditions to JPCC, implemented CALLCC (untested) Mike Pavone <pavone@retrodev.com> parents: 236 diff changeset	1815 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	1816 cond = CC_NZ;
827ebce557bf Added the rest of the conditions to JPCC, implemented CALLCC (untested) Mike Pavone <pavone@retrodev.com> parents: 236 diff changeset	1817 case Z80_CC_PE:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1818 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	1819 break;
827ebce557bf Added the rest of the conditions to JPCC, implemented CALLCC (untested) Mike Pavone <pavone@retrodev.com> parents: 236 diff changeset	1820 case Z80_CC_P:
367 f20562f2a570 Fix P condition in Z80 core Mike Pavone <pavone@retrodev.com> parents: 366 diff changeset	1821 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	1822 case Z80_CC_M:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1823 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	1824 break;
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1825 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1826 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	1827 jcc(code, cond, code->cur+2);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1828 cycles(&opts->gen, 5);//T States: 5
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1829 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	1830 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	1831 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	1832 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	1833 //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	1834 call_dst = code->cur + 256;
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1835 }
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	1836 jmp(code, call_dst);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1837 *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	1838 break;
19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1839 }
19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1840 case Z80_JR: {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1841 cycles(&opts->gen, 12);//T States: 4,3,5
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1842 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	1843 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	1844 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	1845 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	1846 //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	1847 call_dst = code->cur + 256;
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1848 }
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	1849 jmp(code, call_dst);
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1850 break;
19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1851 }
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	1852 case Z80_JRCC: {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1853 cycles(&opts->gen, 7);//T States: 4,3
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	1854 uint8_t cond = CC_Z;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	1855 switch (inst->reg)
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	1856 {
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	1857 case Z80_CC_NZ:
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	1858 cond = CC_NZ;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	1859 case Z80_CC_Z:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1860 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	1861 break;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	1862 case Z80_CC_NC:
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	1863 cond = CC_NZ;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	1864 case Z80_CC_C:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1865 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	1866 break;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	1867 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1868 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	1869 jcc(code, cond, code->cur+2);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1870 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	1871 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	1872 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	1873 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	1874 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	1875 //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	1876 call_dst = code->cur + 256;
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	1877 }
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	1878 jmp(code, call_dst);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1879 *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	1880 break;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	1881 }
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	1882 case Z80_DJNZ: {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1883 cycles(&opts->gen, 8);//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	1884 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	1885 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	1886 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1887 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	1888 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1889 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	1890 jcc(code, CC_Z, code->cur+2);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1891 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	1892 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	1893 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	1894 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	1895 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	1896 //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	1897 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	1898 }
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	1899 jmp(code, call_dst);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1900 *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	1901 break;
a5bea9711a46 Implement BIT and DJNZ (tested). Fix register mapping for IYL. Mike Pavone <pavone@retrodev.com> parents: 238 diff changeset	1902 }
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	1903 case Z80_CALL: {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1904 cycles(&opts->gen, 11);//T States: 4,3,4
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1905 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	1906 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	1907 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	1908 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	1909 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	1910 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	1911 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	1912 //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	1913 call_dst = code->cur + 256;
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	1914 }
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	1915 jmp(code, call_dst);
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	1916 break;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	1917 }
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	1918 case Z80_CALLCC: {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1919 cycles(&opts->gen, 10);//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	1920 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	1921 switch (inst->reg)
827ebce557bf Added the rest of the conditions to JPCC, implemented CALLCC (untested) Mike Pavone <pavone@retrodev.com> parents: 236 diff changeset	1922 {
827ebce557bf Added the rest of the conditions to JPCC, implemented CALLCC (untested) Mike Pavone <pavone@retrodev.com> parents: 236 diff changeset	1923 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	1924 cond = CC_NZ;
827ebce557bf Added the rest of the conditions to JPCC, implemented CALLCC (untested) Mike Pavone <pavone@retrodev.com> parents: 236 diff changeset	1925 case Z80_CC_Z:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1926 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	1927 break;
827ebce557bf Added the rest of the conditions to JPCC, implemented CALLCC (untested) Mike Pavone <pavone@retrodev.com> parents: 236 diff changeset	1928 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	1929 cond = CC_NZ;
827ebce557bf Added the rest of the conditions to JPCC, implemented CALLCC (untested) Mike Pavone <pavone@retrodev.com> parents: 236 diff changeset	1930 case Z80_CC_C:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1931 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	1932 break;
827ebce557bf Added the rest of the conditions to JPCC, implemented CALLCC (untested) Mike Pavone <pavone@retrodev.com> parents: 236 diff changeset	1933 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	1934 cond = CC_NZ;
827ebce557bf Added the rest of the conditions to JPCC, implemented CALLCC (untested) Mike Pavone <pavone@retrodev.com> parents: 236 diff changeset	1935 case Z80_CC_PE:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1936 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	1937 break;
827ebce557bf Added the rest of the conditions to JPCC, implemented CALLCC (untested) Mike Pavone <pavone@retrodev.com> parents: 236 diff changeset	1938 case Z80_CC_P:
367 f20562f2a570 Fix P condition in Z80 core Mike Pavone <pavone@retrodev.com> parents: 366 diff changeset	1939 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	1940 case Z80_CC_M:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1941 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	1942 break;
827ebce557bf Added the rest of the conditions to JPCC, implemented CALLCC (untested) Mike Pavone <pavone@retrodev.com> parents: 236 diff changeset	1943 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1944 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	1945 jcc(code, cond, code->cur+2);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1946 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	1947 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	1948 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	1949 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	1950 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	1951 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	1952 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	1953 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	1954 //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	1955 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	1956 }
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	1957 jmp(code, call_dst);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1958 *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	1959 break;
682 7ed1dbb48f61 Merge Michael Pavone <pavone@retrodev.com> parents: 676 559 diff changeset	1960 }
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	1961 case Z80_RET:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1962 cycles(&opts->gen, 4);//T States: 4
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1963 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	1964 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	1965 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	1966 call(code, opts->native_addr);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1967 jmp_r(code, opts->gen.scratch1);
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	1968 break;
246 ed548c77b598 Implement RETCC in Z80 core. Mike Pavone <pavone@retrodev.com> parents: 243 diff changeset	1969 case Z80_RETCC: {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1970 cycles(&opts->gen, 5);//T States: 5
246 ed548c77b598 Implement RETCC in Z80 core. Mike Pavone <pavone@retrodev.com> parents: 243 diff changeset	1971 uint8_t cond = CC_Z;
ed548c77b598 Implement RETCC in Z80 core. Mike Pavone <pavone@retrodev.com> parents: 243 diff changeset	1972 switch (inst->reg)
ed548c77b598 Implement RETCC in Z80 core. Mike Pavone <pavone@retrodev.com> parents: 243 diff changeset	1973 {
ed548c77b598 Implement RETCC in Z80 core. Mike Pavone <pavone@retrodev.com> parents: 243 diff changeset	1974 case Z80_CC_NZ:
ed548c77b598 Implement RETCC in Z80 core. Mike Pavone <pavone@retrodev.com> parents: 243 diff changeset	1975 cond = CC_NZ;
ed548c77b598 Implement RETCC in Z80 core. Mike Pavone <pavone@retrodev.com> parents: 243 diff changeset	1976 case Z80_CC_Z:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1977 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	1978 break;
ed548c77b598 Implement RETCC in Z80 core. Mike Pavone <pavone@retrodev.com> parents: 243 diff changeset	1979 case Z80_CC_NC:
ed548c77b598 Implement RETCC in Z80 core. Mike Pavone <pavone@retrodev.com> parents: 243 diff changeset	1980 cond = CC_NZ;
ed548c77b598 Implement RETCC in Z80 core. Mike Pavone <pavone@retrodev.com> parents: 243 diff changeset	1981 case Z80_CC_C:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1982 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	1983 break;
ed548c77b598 Implement RETCC in Z80 core. Mike Pavone <pavone@retrodev.com> parents: 243 diff changeset	1984 case Z80_CC_PO:
ed548c77b598 Implement RETCC in Z80 core. Mike Pavone <pavone@retrodev.com> parents: 243 diff changeset	1985 cond = CC_NZ;
ed548c77b598 Implement RETCC in Z80 core. Mike Pavone <pavone@retrodev.com> parents: 243 diff changeset	1986 case Z80_CC_PE:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1987 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	1988 break;
ed548c77b598 Implement RETCC in Z80 core. Mike Pavone <pavone@retrodev.com> parents: 243 diff changeset	1989 case Z80_CC_P:
367 f20562f2a570 Fix P condition in Z80 core Mike Pavone <pavone@retrodev.com> parents: 366 diff changeset	1990 cond = CC_NZ;
246 ed548c77b598 Implement RETCC in Z80 core. Mike Pavone <pavone@retrodev.com> parents: 243 diff changeset	1991 case Z80_CC_M:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1992 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	1993 break;
ed548c77b598 Implement RETCC in Z80 core. Mike Pavone <pavone@retrodev.com> parents: 243 diff changeset	1994 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1995 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	1996 jcc(code, cond, code->cur+2);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1997 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	1998 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	1999 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	2000 call(code, opts->native_addr);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2001 jmp_r(code, opts->gen.scratch1);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2002 *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	2003 break;
ed548c77b598 Implement RETCC in Z80 core. Mike Pavone <pavone@retrodev.com> parents: 243 diff changeset	2004 }
283 61f5d88ea01a Implement RETI and RETN (untested). Cleanup tests for "terminal" instructions. Mike Pavone <pavone@retrodev.com> parents: 282 diff changeset	2005 case Z80_RETI:
61f5d88ea01a Implement RETI and RETN (untested). Cleanup tests for "terminal" instructions. Mike Pavone <pavone@retrodev.com> parents: 282 diff changeset	2006 //For some systems, this may need a callback for signalling interrupt routine completion
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2007 cycles(&opts->gen, 8);//T States: 4, 4
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2008 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	2009 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	2010 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	2011 call(code, opts->native_addr);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2012 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	2013 break;
61f5d88ea01a Implement RETI and RETN (untested). Cleanup tests for "terminal" instructions. Mike Pavone <pavone@retrodev.com> parents: 282 diff changeset	2014 case Z80_RETN:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2015 cycles(&opts->gen, 8);//T States: 4, 4
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2016 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	2017 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	2018 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	2019 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	2020 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	2021 call(code, opts->native_addr);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2022 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	2023 break;
241 2586d49ddd46 Implement EX, EXX and RST in Z80 core Mike Pavone <pavone@retrodev.com> parents: 239 diff changeset	2024 case Z80_RST: {
2586d49ddd46 Implement EX, EXX and RST in Z80 core Mike Pavone <pavone@retrodev.com> parents: 239 diff changeset	2025 //RST is basically CALL to an address in page 0
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2026 cycles(&opts->gen, 5);//T States: 5
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2027 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	2028 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	2029 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	2030 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	2031 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	2032 if (!call_dst) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2033 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	2034 //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	2035 call_dst = code->cur + 256;
241 2586d49ddd46 Implement EX, EXX and RST in Z80 core Mike Pavone <pavone@retrodev.com> parents: 239 diff changeset	2036 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2037 jmp(code, call_dst);
241 2586d49ddd46 Implement EX, EXX and RST in Z80 core Mike Pavone <pavone@retrodev.com> parents: 239 diff changeset	2038 break;
2586d49ddd46 Implement EX, EXX and RST in Z80 core Mike Pavone <pavone@retrodev.com> parents: 239 diff changeset	2039 }
284 ed7098f717d7 Implement IN and OUT (untested) Mike Pavone <pavone@retrodev.com> parents: 283 diff changeset	2040 case Z80_IN:
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	2041 cycles(&opts->gen, inst->reg == inst->addr_mode == Z80_IMMED_INDIRECT ? 7 : 8);//T States: 4 3/4
284 ed7098f717d7 Implement IN and OUT (untested) Mike Pavone <pavone@retrodev.com> parents: 283 diff changeset	2042 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	2043 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	2044 } else {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2045 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	2046 }
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	2047 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	2048 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	2049 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	2050 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	2051 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	2052 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	2053 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	2054 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	2055 }
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	2056 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	2057 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	2058 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	2059 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	2060 } 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	2061 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	2062 }
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	2063 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2064 z80_save_reg(inst, opts);
284 ed7098f717d7 Implement IN and OUT (untested) Mike Pavone <pavone@retrodev.com> parents: 283 diff changeset	2065 break;
ed7098f717d7 Implement IN and OUT (untested) Mike Pavone <pavone@retrodev.com> parents: 283 diff changeset	2066 /*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	2067 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	2068 case Z80_IND:
284 ed7098f717d7 Implement IN and OUT (untested) Mike Pavone <pavone@retrodev.com> parents: 283 diff changeset	2069 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	2070 case Z80_OUT:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2071 cycles(&opts->gen, inst->reg == Z80_A ? 7 : 8);//T States: 4 3/4
284 ed7098f717d7 Implement IN and OUT (untested) Mike Pavone <pavone@retrodev.com> parents: 283 diff changeset	2072 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	2073 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	2074 } 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	2075 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	2076 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	2077 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2078 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	2079 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	2080 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	2081 } 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	2082 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	2083 } 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	2084 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	2085 }
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	2086 call(code, opts->write_io);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2087 z80_save_reg(inst, opts);
284 ed7098f717d7 Implement IN and OUT (untested) Mike Pavone <pavone@retrodev.com> parents: 283 diff changeset	2088 break;
1040 fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2089 case Z80_OUTI:
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2090 cycles(&opts->gen, 9);//T States: 4, 5
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2091 //read from (HL)
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2092 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	2093 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	2094 //undocumented N flag behavior
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2095 //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	2096 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	2097 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	2098 //write to IO (C)
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2099 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	2100 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	2101 //increment HL
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2102 if (opts->regs[Z80_HL] >= 0) {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2103 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	2104 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	2105 } else {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2106 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	2107 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	2108 }
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2109 //undocumented C and H flag behavior
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2110 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	2111 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	2112 //decrement B
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2113 if (opts->regs[Z80_B] >= 0) {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2114 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	2115 } else {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2116 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	2117 }
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2118 //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	2119 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	2120 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	2121 //crazy undocumented P/V flag behavior
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2122 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	2123 if (opts->regs[Z80_B] >= 0) {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2124 //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	2125 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	2126 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	2127 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	2128 } else {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2129 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	2130 }
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2131 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	2132 break;
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2133 case Z80_OTIR: {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2134 code_ptr start = code->cur;
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2135 cycles(&opts->gen, 9);//T States: 4, 5
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2136 //read from (HL)
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2137 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	2138 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	2139 //undocumented N flag behavior
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2140 //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	2141 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	2142 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	2143 //write to IO (C)
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2144 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	2145 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	2146 //increment HL
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2147 if (opts->regs[Z80_HL] >= 0) {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2148 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	2149 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	2150 } else {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2151 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	2152 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	2153 }
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2154 //undocumented C and H flag behavior
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2155 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	2156 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	2157 //decrement B
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2158 if (opts->regs[Z80_B] >= 0) {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2159 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	2160 } else {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2161 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	2162 }
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2163 //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	2164 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	2165 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	2166 //crazy undocumented P/V flag behavior
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2167 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	2168 if (opts->regs[Z80_B] >= 0) {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2169 //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	2170 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	2171 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	2172 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	2173 } else {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2174 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	2175 }
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2176 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	2177 if (opts->regs[Z80_B] >= 0) {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2178 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	2179 } else {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2180 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	2181 }
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2182 code_ptr done = code->cur+1;
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2183 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	2184 cycles(&opts->gen, 5);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2185 jmp(code, start);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2186 *done = code->cur - (done + 1);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2187 break;
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2188 }
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	2189 case Z80_OUTD:
1040 fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2190 cycles(&opts->gen, 9);//T States: 4, 5
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2191 //read from (HL)
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2192 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	2193 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	2194 //undocumented N flag behavior
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2195 //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	2196 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	2197 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	2198 //write to IO (C)
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2199 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	2200 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	2201 //decrement HL
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2202 if (opts->regs[Z80_HL] >= 0) {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2203 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	2204 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	2205 } else {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2206 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	2207 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	2208 }
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2209 //undocumented C and H flag behavior
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2210 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	2211 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	2212 //decrement B
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2213 if (opts->regs[Z80_B] >= 0) {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2214 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	2215 } else {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2216 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	2217 }
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2218 //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	2219 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	2220 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	2221 //crazy undocumented P/V flag behavior
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2222 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	2223 if (opts->regs[Z80_B] >= 0) {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2224 //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	2225 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	2226 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	2227 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	2228 } else {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2229 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	2230 }
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2231 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	2232 break;
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2233 case Z80_OTDR: {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2234 code_ptr start = code->cur;
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2235 cycles(&opts->gen, 9);//T States: 4, 5
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2236 //read from (HL)
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2237 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	2238 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	2239 //undocumented N flag behavior
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2240 //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	2241 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	2242 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	2243 //write to IO (C)
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2244 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	2245 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	2246 //increment HL
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2247 if (opts->regs[Z80_HL] >= 0) {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2248 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	2249 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	2250 } else {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2251 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	2252 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	2253 }
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2254 //undocumented C and H flag behavior
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2255 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	2256 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	2257 //decrement B
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2258 if (opts->regs[Z80_B] >= 0) {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2259 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	2260 } else {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2261 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	2262 }
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2263 //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	2264 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	2265 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	2266 //crazy undocumented P/V flag behavior
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2267 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	2268 if (opts->regs[Z80_B] >= 0) {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2269 //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	2270 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	2271 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	2272 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	2273 } else {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2274 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	2275 }
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2276 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	2277 if (opts->regs[Z80_B] >= 0) {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2278 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	2279 } else {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2280 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	2281 }
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2282 code_ptr done = code->cur+1;
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2283 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	2284 cycles(&opts->gen, 5);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2285 jmp(code, start);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2286 *done = code->cur - (done + 1);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2287 break;
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger Michael Pavone <pavone@retrodev.com> parents: 967 diff changeset	2288 }
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2289 default: {
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2290 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	2291 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	2292 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	2293 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	2294 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	2295 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	2296 }
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2297 }
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2298 }
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2299
627 c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses Michael Pavone <pavone@retrodev.com> parents: 626 diff changeset	2300 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	2301 {
c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses Michael Pavone <pavone@retrodev.com> parents: 626 diff changeset	2302 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	2303 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	2304 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	2305 }
c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses Michael Pavone <pavone@retrodev.com> parents: 626 diff changeset	2306 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	2307 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	2308 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	2309 z80inst inst;
c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses Michael Pavone <pavone@retrodev.com> parents: 626 diff changeset	2310 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	2311 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	2312 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	2313 }
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2314
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2315 z80_options * opts = context->options;
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2316 code_info *code = &opts->gen.code;
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2317 check_alloc_code(code, ZMAX_NATIVE_SIZE);
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2318 context->interp_code[opcode] = code->cur;
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2319 translate_z80inst(&inst, context, 0, 1);
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2320 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	2321 add_ir(code, after - codebuf, opts->gen.scratch1, SZ_W);
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2322 call(code, opts->native_addr);
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2323 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	2324 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	2325 }
c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses Michael Pavone <pavone@retrodev.com> parents: 626 diff changeset	2326 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	2327 }
c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses Michael Pavone <pavone@retrodev.com> parents: 626 diff changeset	2328
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2329 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	2330 {
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2331 z80_options *opts = context->options;
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2332 code_info * code = &opts->gen.code;
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2333 check_alloc_code(code, 32);
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2334 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	2335 //TODO: make this play well with the breakpoint code
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2336 mov_ir(code, address, opts->gen.scratch1, SZ_W);
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2337 call(code, opts->read_8);
627 c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses Michael Pavone <pavone@retrodev.com> parents: 626 diff changeset	2338 //normal opcode fetch is already factored into instruction timing
c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses Michael Pavone <pavone@retrodev.com> parents: 626 diff changeset	2339 //back out the base 3 cycles from a read here
c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses Michael Pavone <pavone@retrodev.com> parents: 626 diff changeset	2340 //not quite perfect, but it will have to do for now
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2341 cycles(&opts->gen, -3);
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2342 check_cycles_int(&opts->gen, address);
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2343 call(code, opts->gen.save_context);
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2344 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	2345 push_r(code, opts->gen.context_reg);
712 382a2b5b70c0 Fix crash bug in Z80 interpreter Michael Pavone <pavone@retrodev.com> parents: 702 diff changeset	2346 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	2347 mov_rr(code, RAX, opts->gen.scratch1, SZ_PTR);
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2348 pop_r(code, opts->gen.context_reg);
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2349 call(code, opts->gen.load_context);
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2350 jmp_r(code, opts->gen.scratch1);
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2351 stub.last = code->cur;
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2352 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	2353 }
c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses Michael Pavone <pavone@retrodev.com> parents: 626 diff changeset	2354
c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses Michael Pavone <pavone@retrodev.com> parents: 626 diff changeset	2355
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2356 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	2357 {
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2358 native_map_slot *map;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2359 if (address < 0x4000) {
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2360 address &= 0x1FFF;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2361 map = context->static_code_map;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2362 } else {
627 c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses Michael Pavone <pavone@retrodev.com> parents: 626 diff changeset	2363 address -= 0x4000;
c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses Michael Pavone <pavone@retrodev.com> parents: 626 diff changeset	2364 map = context->banked_code_map;
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2365 }
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	2366 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	2367 //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	2368 return NULL;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2369 }
313 a13329645ea3 Fix terminal instruction detection in disassembler Mike Pavone <pavone@retrodev.com> parents: 312 diff changeset	2370 //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	2371 return map->base + map->offsets[address];
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2372 }
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2373
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2374 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	2375 {
627 c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses Michael Pavone <pavone@retrodev.com> parents: 626 diff changeset	2376 //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	2377 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	2378 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	2379 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2380 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	2381 }
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	2382
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	2383 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	2384 {
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	2385 uint32_t orig_address = address;
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2386 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	2387 z80_options * opts = context->options;
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2388 if (address < 0x4000) {
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2389 address &= 0x1FFF;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2390 map = context->static_code_map;
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2391 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	2392 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	2393 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	2394 } else {
c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses Michael Pavone <pavone@retrodev.com> parents: 626 diff changeset	2395 //HERE
c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses Michael Pavone <pavone@retrodev.com> parents: 626 diff changeset	2396 address -= 0x4000;
c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses Michael Pavone <pavone@retrodev.com> parents: 626 diff changeset	2397 map = context->banked_code_map;
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2398 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	2399 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	2400 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	2401 }
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2402 }
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2403 if (!map->base) {
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2404 map->base = native_address;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2405 }
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2406 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	2407 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	2408 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	2409 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	2410 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	2411 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	2412 } else {
627 c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses Michael Pavone <pavone@retrodev.com> parents: 626 diff changeset	2413 address -= 0x4000;
c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses Michael Pavone <pavone@retrodev.com> parents: 626 diff changeset	2414 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	2415 }
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	2416 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	2417 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	2418 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	2419 }
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	2420 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	2421 }
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	2422 }
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	2423
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	2424 #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	2425
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	2426 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	2427 {
627 c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses Michael Pavone <pavone@retrodev.com> parents: 626 diff changeset	2428 //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	2429 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	2430 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	2431 }
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	2432 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	2433 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	2434 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	2435 }
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	2436 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	2437 --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	2438 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	2439 }
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	2440 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	2441 }
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	2442
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	2443 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	2444 {
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	2445 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	2446 if (inst_start != INVALID_INSTRUCTION_START) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2447 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	2448 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	2449 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	2450 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	2451 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	2452 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	2453 }
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	2454 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	2455 }
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	2456
264 8fd6652e56f8 Fix a crash bug in instruction retranslation Mike Pavone <pavone@retrodev.com> parents: 262 diff changeset	2457 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	2458 {
8fd6652e56f8 Fix a crash bug in instruction retranslation Mike Pavone <pavone@retrodev.com> parents: 262 diff changeset	2459 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	2460 if (!addr) {
8fd6652e56f8 Fix a crash bug in instruction retranslation Mike Pavone <pavone@retrodev.com> parents: 262 diff changeset	2461 translate_z80_stream(context, address);
8fd6652e56f8 Fix a crash bug in instruction retranslation Mike Pavone <pavone@retrodev.com> parents: 262 diff changeset	2462 addr = z80_get_native_address(context, address);
8fd6652e56f8 Fix a crash bug in instruction retranslation Mike Pavone <pavone@retrodev.com> parents: 262 diff changeset	2463 if (!addr) {
8fd6652e56f8 Fix a crash bug in instruction retranslation Mike Pavone <pavone@retrodev.com> parents: 262 diff changeset	2464 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	2465 }
8fd6652e56f8 Fix a crash bug in instruction retranslation Mike Pavone <pavone@retrodev.com> parents: 262 diff changeset	2466 }
8fd6652e56f8 Fix a crash bug in instruction retranslation Mike Pavone <pavone@retrodev.com> parents: 262 diff changeset	2467 return addr;
8fd6652e56f8 Fix a crash bug in instruction retranslation Mike Pavone <pavone@retrodev.com> parents: 262 diff changeset	2468 }
8fd6652e56f8 Fix a crash bug in instruction retranslation Mike Pavone <pavone@retrodev.com> parents: 262 diff changeset	2469
266 376df762ddf5 Fix some more retranslation bugs in the Z80 core Mike Pavone <pavone@retrodev.com> parents: 264 diff changeset	2470 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	2471 {
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2472 z80_options * opts = context->options;
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2473 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	2474 if (opts->gen.deferred) {
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2475 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	2476 }
376df762ddf5 Fix some more retranslation bugs in the Z80 core Mike Pavone <pavone@retrodev.com> parents: 264 diff changeset	2477 }
376df762ddf5 Fix some more retranslation bugs in the Z80 core Mike Pavone <pavone@retrodev.com> parents: 264 diff changeset	2478
559 6b248602ab84 blastem builds and almost works on OS X now Mike Pavone <pavone@retrodev.com> parents: 506 diff changeset	2479 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	2480 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	2481 {
266 376df762ddf5 Fix some more retranslation bugs in the Z80 core Mike Pavone <pavone@retrodev.com> parents: 264 diff changeset	2482 char disbuf[80];
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2483 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	2484 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	2485 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	2486 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	2487 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	2488 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	2489 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	2490 #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	2491 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	2492 if (instbuf.op == Z80_NOP) {
376df762ddf5 Fix some more retranslation bugs in the Z80 core Mike Pavone <pavone@retrodev.com> parents: 264 diff changeset	2493 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	2494 } else {
376df762ddf5 Fix some more retranslation bugs in the Z80 core Mike Pavone <pavone@retrodev.com> parents: 264 diff changeset	2495 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	2496 }
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	2497 #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	2498 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	2499 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	2500 code_ptr start = code->cur;
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2501 deferred_addr * orig_deferred = opts->gen.deferred;
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2502 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	2503 /*
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	2504 if ((native_end - dst) <= orig_size) {
264 8fd6652e56f8 Fix a crash bug in instruction retranslation Mike Pavone <pavone@retrodev.com> parents: 262 diff changeset	2505 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	2506 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	2507 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	2508 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	2509 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	2510 while (native_end < orig_start + orig_size) {
8fd6652e56f8 Fix a crash bug in instruction retranslation Mike Pavone <pavone@retrodev.com> parents: 262 diff changeset	2511 *(native_end++) = 0x90; //NOP
8fd6652e56f8 Fix a crash bug in instruction retranslation Mike Pavone <pavone@retrodev.com> parents: 262 diff changeset	2512 }
8fd6652e56f8 Fix a crash bug in instruction retranslation Mike Pavone <pavone@retrodev.com> parents: 262 diff changeset	2513 } else {
8fd6652e56f8 Fix a crash bug in instruction retranslation Mike Pavone <pavone@retrodev.com> parents: 262 diff changeset	2514 jmp(native_end, native_next);
8fd6652e56f8 Fix a crash bug in instruction retranslation Mike Pavone <pavone@retrodev.com> parents: 262 diff changeset	2515 }
266 376df762ddf5 Fix some more retranslation bugs in the Z80 core Mike Pavone <pavone@retrodev.com> parents: 264 diff changeset	2516 z80_handle_deferred(context);
264 8fd6652e56f8 Fix a crash bug in instruction retranslation Mike Pavone <pavone@retrodev.com> parents: 262 diff changeset	2517 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	2518 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2519 }*/
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2520 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	2521 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	2522 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	2523 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	2524 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	2525 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	2526 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	2527 }
266 376df762ddf5 Fix some more retranslation bugs in the Z80 core Mike Pavone <pavone@retrodev.com> parents: 264 diff changeset	2528 z80_handle_deferred(context);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2529 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	2530 } else {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2531 code_info tmp_code = *code;
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2532 code->cur = orig_start;
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2533 code->last = orig_start + ZMAX_NATIVE_SIZE;
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2534 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	2535 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	2536 *code = tmp_code;
283 61f5d88ea01a Implement RETI and RETN (untested). Cleanup tests for "terminal" instructions. Mike Pavone <pavone@retrodev.com> parents: 282 diff changeset	2537 if (!z80_is_terminal(&instbuf)) {
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2538
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	2539 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	2540 }
266 376df762ddf5 Fix some more retranslation bugs in the Z80 core Mike Pavone <pavone@retrodev.com> parents: 264 diff changeset	2541 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	2542 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	2543 }
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2544 }
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2545
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2546 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	2547 {
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2548 char disbuf[80];
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2549 if (z80_get_native_address(context, address)) {
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2550 return;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2551 }
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2552 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	2553 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	2554
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	2555 do
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2556 {
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2557 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	2558 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	2559 do {
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2560 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	2561 if (existing) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2562 jmp(&opts->gen.code, existing);
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2563 break;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2564 }
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	2565 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	2566 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	2567 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	2568 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	2569 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	2570 break;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2571 }
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	2572 //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	2573 check_code_prologue(&opts->gen.code);
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2574 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	2575 #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	2576 z80_disasm(&inst, disbuf, address);
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2577 if (inst.op == Z80_NOP) {
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2578 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	2579 } else {
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2580 printf("%X\t%s\n", address, disbuf);
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2581 }
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	2582 #endif
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2583 code_ptr start = opts->gen.code.cur;
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2584 translate_z80inst(&inst, context, address, 0);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2585 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	2586 address += next-encoded;
255 572b935dd030 Properly handle wrapping around to 0 in translate_z80_stream Mike Pavone <pavone@retrodev.com> parents: 254 diff changeset	2587 address &= 0xFFFF;
283 61f5d88ea01a Implement RETI and RETN (untested). Cleanup tests for "terminal" instructions. Mike Pavone <pavone@retrodev.com> parents: 282 diff changeset	2588 } while (!z80_is_terminal(&inst));
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2589 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	2590 if (opts->gen.deferred) {
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2591 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	2592 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	2593 }
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	2594 } 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	2595 }
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	2596
819 ab017fb09e77 Added support for an IO memory map in Z80 core Michael Pavone <pavone@retrodev.com> parents: 792 diff changeset	2597 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	2598 {
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2599 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	2600
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	2601 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	2602 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	2603 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	2604 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	2605 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	2606 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	2607 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	2608 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	2609 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	2610 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	2611
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2612 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	2613 #ifdef X86_64
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2614 options->regs[Z80_B] = BH;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2615 options->regs[Z80_C] = RBX;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2616 options->regs[Z80_D] = CH;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2617 options->regs[Z80_E] = RCX;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2618 options->regs[Z80_H] = AH;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2619 options->regs[Z80_L] = RAX;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2620 options->regs[Z80_IXH] = DH;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2621 options->regs[Z80_IXL] = RDX;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2622 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	2623 options->regs[Z80_IYL] = R8;
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2624 options->regs[Z80_I] = -1;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2625 options->regs[Z80_R] = -1;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2626 options->regs[Z80_A] = R10;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2627 options->regs[Z80_BC] = RBX;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2628 options->regs[Z80_DE] = RCX;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2629 options->regs[Z80_HL] = RAX;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2630 options->regs[Z80_SP] = R9;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2631 options->regs[Z80_AF] = -1;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2632 options->regs[Z80_IX] = RDX;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2633 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	2634
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	2635 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	2636 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	2637 #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	2638 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	2639 options->regs[Z80_A] = RAX;
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	2640 options->regs[Z80_SP] = RBX;
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	2641
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	2642 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	2643 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	2644 #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	2645
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2646 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	2647 options->gen.cycles = RBP;
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2648 options->gen.limit = RDI;
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2649
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2650 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	2651 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	2652 options->gen.deferred = NULL;
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2653 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	2654 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	2655 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	2656
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2657 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	2658 init_code_info(code);
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2659
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2660 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	2661 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	2662 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	2663
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2664 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	2665 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	2666 {
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2667 int reg;
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2668 uint8_t size;
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2669 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	2670 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	2671 size = SZ_W;
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2672 } else {
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2673 reg = i;
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2674 size = SZ_B;
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2675 }
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2676 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	2677 mov_rrdisp(code, options->regs[reg], options->gen.context_reg, offsetof(z80_context, regs) + i, size);
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2678 }
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	2679 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	2680 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	2681 }
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2682 }
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2683 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	2684 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	2685 }
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2686 mov_rrdisp(code, options->gen.limit, options->gen.context_reg, offsetof(z80_context, target_cycle), SZ_D);
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2687 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	2688 retn(code);
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2689
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2690 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	2691 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	2692 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	2693 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	2694 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	2695 {
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2696 int reg;
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2697 uint8_t size;
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2698 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	2699 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	2700 size = SZ_W;
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2701 } else {
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2702 reg = i;
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2703 size = SZ_B;
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2704 }
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2705 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	2706 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	2707 }
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	2708 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	2709 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	2710 }
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2711 }
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2712 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	2713 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	2714 }
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2715 mov_rdispr(code, options->gen.context_reg, offsetof(z80_context, target_cycle), options->gen.limit, SZ_D);
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2716 mov_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	2717 retn(code);
5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	2718
5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	2719 options->native_addr = code->cur;
5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	2720 call(code, options->gen.save_context);
5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	2721 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	2722 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	2723 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	2724 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	2725 pop_r(code, options->gen.context_reg);
5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	2726 call(code, options->gen.load_context);
5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	2727 retn(code);
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2728
895 13388ab6d78a Get Z80 core sort of working again post alignment change Michael Pavone <pavone@retrodev.com> parents: 894 diff changeset	2729 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	2730
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2731 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	2732 //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	2733 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	2734 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	2735 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	2736 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	2737
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2738 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	2739 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	2740 jcc(code, CC_B, no_sync);
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2741 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	2742 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	2743 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	2744 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	2745 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	2746 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	2747 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	2748 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	2749 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	2750 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	2751 restore_callee_save_regs(code);
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	2752 *no_sync = code->cur - (no_sync + 1);
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2753 //return to caller of z80_run
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2754 retn(code);
895 13388ab6d78a Get Z80 core sort of working again post alignment change Michael Pavone <pavone@retrodev.com> parents: 894 diff changeset	2755 code->stack_off = tmp_stack_off;
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2756
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	2757 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	2758
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	2759 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	2760 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	2761
895 13388ab6d78a Get Z80 core sort of working again post alignment change Michael Pavone <pavone@retrodev.com> parents: 894 diff changeset	2762 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	2763 //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	2764 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	2765 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	2766 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	2767
895 13388ab6d78a Get Z80 core sort of working again post alignment change Michael Pavone <pavone@retrodev.com> parents: 894 diff changeset	2768 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	2769 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	2770 jcc(code, CC_B, skip_sync);
13388ab6d78a Get Z80 core sort of working again post alignment change Michael Pavone <pavone@retrodev.com> parents: 894 diff changeset	2771 //save PC
13388ab6d78a Get Z80 core sort of working again post alignment change Michael Pavone <pavone@retrodev.com> parents: 894 diff changeset	2772 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	2773 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	2774 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	2775 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	2776 //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	2777 //pop_rind(code, options->gen.context_reg);
2f1157f00dc6 Z80 core is now slightly less broken Michael Pavone <pavone@retrodev.com> parents: 895 diff changeset	2778 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	2779 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	2780 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	2781 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	2782
895 13388ab6d78a Get Z80 core sort of working again post alignment change Michael Pavone <pavone@retrodev.com> parents: 894 diff changeset	2783 //restore callee saved registers
13388ab6d78a Get Z80 core sort of working again post alignment change Michael Pavone <pavone@retrodev.com> parents: 894 diff changeset	2784 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	2785 //return to caller of z80_run
13388ab6d78a Get Z80 core sort of working again post alignment change Michael Pavone <pavone@retrodev.com> parents: 894 diff changeset	2786 *skip_sync = code->cur - (skip_sync+1);
13388ab6d78a Get Z80 core sort of working again post alignment change Michael Pavone <pavone@retrodev.com> parents: 894 diff changeset	2787 retn(code);
13388ab6d78a Get Z80 core sort of working again post alignment change Michael Pavone <pavone@retrodev.com> parents: 894 diff changeset	2788 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	2789
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2790 options->gen.handle_cycle_limit_int = code->cur;
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2791 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	2792 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	2793 //set limit to the cycle limit
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2794 mov_rdispr(code, options->gen.context_reg, offsetof(z80_context, sync_cycle), options->gen.limit, SZ_D);
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2795 //disable interrupts
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2796 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	2797 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	2798 cycles(&options->gen, 7);
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2799 //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	2800 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	2801 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	2802 //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	2803 //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	2804 //for a synchronization
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2805 check_cycles(&options->gen);
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2806 cycles(&options->gen, 3);
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2807 //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	2808 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	2809 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	2810 //restore word to write
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2811 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	2812 //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	2813 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	2814 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	2815 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	2816 check_cycles(&options->gen);
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2817 cycles(&options->gen, 3);
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2818 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	2819 //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	2820 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	2821 //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	2822 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	2823 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	2824 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	2825 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	2826 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	2827 //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	2828 retn(code);
895 13388ab6d78a Get Z80 core sort of working again post alignment change Michael Pavone <pavone@retrodev.com> parents: 894 diff changeset	2829 code->stack_off = tmp_stack_off;
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	2830
819 ab017fb09e77 Added support for an IO memory map in Z80 core Michael Pavone <pavone@retrodev.com> parents: 792 diff changeset	2831 //HACK
ab017fb09e77 Added support for an IO memory map in Z80 core Michael Pavone <pavone@retrodev.com> parents: 792 diff changeset	2832 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	2833 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	2834 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	2835 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	2836 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	2837 options->gen.address_mask = 0xFFFF;
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2838
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	2839 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	2840 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	2841 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	2842 //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	2843 //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	2844 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	2845 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	2846 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	2847 #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	2848 //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	2849 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	2850 #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	2851 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	2852 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	2853 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	2854 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	2855 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	2856 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	2857 #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	2858 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	2859 #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	2860 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	2861 #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	2862 retn(code);
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2863
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	2864 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	2865 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	2866 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	2867 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	2868 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	2869 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	2870 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	2871 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	2872 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	2873 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	2874 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	2875 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	2876 //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	2877 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	2878 retn(code);
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2879
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	2880 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	2881 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	2882 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	2883 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	2884 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	2885 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	2886 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	2887 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	2888 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	2889 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	2890 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	2891 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	2892 //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	2893 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	2894 retn(code);
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	2895
5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	2896 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	2897 tmp_stack_off = code->stack_off;
899 07bfbbbb4b2e Fix for Z80 retranslation post alignment rework Michael Pavone <pavone@retrodev.com> parents: 898 diff changeset	2898 //calculate size of patch
07bfbbbb4b2e Fix for Z80 retranslation post alignment rework Michael Pavone <pavone@retrodev.com> parents: 898 diff changeset	2899 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	2900 code->stack_off += sizeof(void *);
07bfbbbb4b2e Fix for Z80 retranslation post alignment rework Michael Pavone <pavone@retrodev.com> parents: 898 diff changeset	2901 if (code->stack_off & 0xF) {
07bfbbbb4b2e Fix for Z80 retranslation post alignment rework Michael Pavone <pavone@retrodev.com> parents: 898 diff changeset	2902 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	2903 }
07bfbbbb4b2e Fix for Z80 retranslation post alignment rework Michael Pavone <pavone@retrodev.com> parents: 898 diff changeset	2904 call_noalign(code, options->retrans_stub);
07bfbbbb4b2e Fix for Z80 retranslation post alignment rework Michael Pavone <pavone@retrodev.com> parents: 898 diff changeset	2905 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	2906 code->cur = options->retrans_stub;
07bfbbbb4b2e Fix for Z80 retranslation post alignment rework Michael Pavone <pavone@retrodev.com> parents: 898 diff changeset	2907 code->stack_off = tmp_stack_off;
07bfbbbb4b2e Fix for Z80 retranslation post alignment rework Michael Pavone <pavone@retrodev.com> parents: 898 diff changeset	2908
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	2909 //pop return address
5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	2910 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	2911 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	2912 code->stack_off = tmp_stack_off;
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	2913 call(code, options->gen.save_context);
5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	2914 //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	2915 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	2916 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	2917 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	2918 pop_r(code, options->gen.context_reg);
5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	2919 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	2920 call(code, options->gen.load_context);
5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	2921 jmp_r(code, options->gen.scratch1);
5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	2922
5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	2923 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	2924 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	2925 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	2926 #ifdef X86_64
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	2927 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	2928 #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	2929 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	2930 #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	2931 call(code, options->load_context_scratch);
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	2932 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	2933 code_ptr no_extra = code->cur+1;
5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	2934 jcc(code, CC_Z, no_extra);
898 2f1157f00dc6 Z80 core is now slightly less broken Michael Pavone <pavone@retrodev.com> parents: 895 diff changeset	2935 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	2936 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	2937 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	2938 *no_extra = code->cur - (no_extra + 1);
5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	2939 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	2940 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	2941 }
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 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 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	2944 {
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2945 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	2946 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	2947 context->static_code_map->base = NULL;
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2948 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	2949 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	2950 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	2951 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	2952 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	2953 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	2954 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	2955 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	2956 }
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	2957
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	2958 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	2959 {
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	2960 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	2961 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	2962 } 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	2963 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	2964 //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	2965 //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	2966 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	2967 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	2968 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	2969 }
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	2970 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	2971 {
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	2972 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	2973 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	2974 }
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	2975 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	2976 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	2977 } 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	2978 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	2979 }
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	2980 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	2981 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	2982 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	2983 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	2984 }
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	2985 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	2986 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	2987 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	2988 }
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	2989 }
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	2990 }
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	2991 }
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	2992
884 252dfd29831d Selecting a second game from the menu now works Michael Pavone <pavone@retrodev.com> parents: 854 diff changeset	2993 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	2994 {
252dfd29831d Selecting a second game from the menu now works Michael Pavone <pavone@retrodev.com> parents: 854 diff changeset	2995 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	2996 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	2997 free(opts);
252dfd29831d Selecting a second game from the menu now works Michael Pavone <pavone@retrodev.com> parents: 854 diff changeset	2998 }
252dfd29831d Selecting a second game from the menu now works Michael Pavone <pavone@retrodev.com> parents: 854 diff changeset	2999
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	3000 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	3001 {
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	3002 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	3003 context->reset = 1;
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	3004 }
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	3005
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	3006 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	3007 {
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	3008 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	3009 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	3010 //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	3011 context->im = 0;
200ee73c7210 Remove/comment verbose logging added for tracking down sync bug Michael Pavone <pavone@retrodev.com> parents: 697 diff changeset	3012 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	3013 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	3014 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	3015 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	3016 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	3017 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	3018 //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	3019 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	3020 }
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	3021 }
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	3022 }
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	3023
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	3024 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	3025 {
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	3026 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	3027 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	3028 //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	3029 //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	3030 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	3031 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	3032 }
701 200ee73c7210 Remove/comment verbose logging added for tracking down sync bug Michael Pavone <pavone@retrodev.com> parents: 697 diff changeset	3033 }
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	3034
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	3035 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	3036 {
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	3037 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	3038 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	3039 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	3040 //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	3041 //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	3042 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	3043 }
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	3044
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	3045 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	3046 {
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	3047 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	3048 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	3049 }
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	3050
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	3051 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	3052 {
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	3053 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	3054 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	3055 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	3056 } 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	3057 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	3058 }
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	3059 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	3060 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	3061 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	3062 } 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	3063 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	3064 }
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	3065 }
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	3066 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	3067 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	3068 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	3069 } 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	3070 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	3071 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	3072 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	3073 } 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	3074 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	3075 }
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	3076 }
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	3077 }
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	3078 }
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	3079
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	3080 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	3081 {
966 f765c2fc7508 Fix crash bug in Z80 debugger introduced with stack alignment changes Michael Pavone <pavone@retrodev.com> parents: 900 diff changeset	3082 code_info code = {dst, dst+32};
659 759c38bf97f8 Minor Z80 core cleanup Michael Pavone <pavone@retrodev.com> parents: 657 diff changeset	3083 mov_ir(&code, address, context->options->gen.scratch1, SZ_W);
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	3084 call(&code, context->bp_stub);
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	3085 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	3086 }
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	3087
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	3088 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	3089 {
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	3090 z80_options * opts = context->options;
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	3091 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	3092 uint32_t start_stack_off = code->stack_off;
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	3093 check_code_prologue(code);
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	3094 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	3095
682 7ed1dbb48f61 Merge Michael Pavone <pavone@retrodev.com> parents: 676 559 diff changeset	3096 //Calculate length of prologue
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	3097 check_cycles_int(&opts->gen, 0);
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	3098 int check_int_size = code->cur-context->bp_stub;
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	3099 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	3100
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	3101 //Calculate length of patch
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	3102 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	3103
682 7ed1dbb48f61 Merge Michael Pavone <pavone@retrodev.com> parents: 676 559 diff changeset	3104 //Save context and call breakpoint handler
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	3105 call(code, opts->gen.save_context);
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	3106 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	3107 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	3108 mov_rr(code, RAX, opts->gen.context_reg, SZ_PTR);
682 7ed1dbb48f61 Merge Michael Pavone <pavone@retrodev.com> parents: 676 559 diff changeset	3109 //Restore context
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	3110 call(code, opts->gen.load_context);
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	3111 pop_r(code, opts->gen.scratch1);
682 7ed1dbb48f61 Merge Michael Pavone <pavone@retrodev.com> parents: 676 559 diff changeset	3112 //do prologue stuff
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	3113 cmp_rr(code, opts->gen.cycles, opts->gen.limit, SZ_D);
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	3114 uint8_t * jmp_off = code->cur+1;
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	3115 jcc(code, CC_NC, code->cur + 7);
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	3116 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	3117 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	3118 push_r(code, opts->gen.scratch1);
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	3119 jmp(code, opts->gen.handle_cycle_limit_int);
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	3120 *jmp_off = code->cur - (jmp_off+1);
682 7ed1dbb48f61 Merge Michael Pavone <pavone@retrodev.com> parents: 676 559 diff changeset	3121 //jump back to body of translated instruction
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	3122 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	3123 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	3124 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	3125 code->stack_off = start_stack_off;
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	3126 }
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	3127
366 836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 363 diff changeset	3128 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	3129 {
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	3130 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	3131 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	3132 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	3133 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	3134 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	3135 zcreate_stub(context);
366 836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 363 diff changeset	3136 }
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	3137 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	3138 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	3139 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	3140 }
366 836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 363 diff changeset	3141 }
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 363 diff changeset	3142 }
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	3143
366 836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 363 diff changeset	3144 void zremove_breakpoint(z80_context * context, uint16_t address)
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 363 diff changeset	3145 {
819 ab017fb09e77 Added support for an IO memory map in Z80 core Michael Pavone <pavone@retrodev.com> parents: 792 diff changeset	3146 context->breakpoint_flags[address / 8] &= ~(1 << (address % 8));
366 836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 363 diff changeset	3147 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	3148 if (native) {
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	3149 z80_options * opts = context->options;
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	3150 code_info tmp_code = opts->gen.code;
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	3151 opts->gen.code.cur = native;
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	3152 opts->gen.code.last = native + 16;
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	3153 check_cycles_int(&opts->gen, address);
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	3154 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	3155 }
366 836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 363 diff changeset	3156 }
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 363 diff changeset	3157

Mercurial > repos > blastem

annotate z80_to_x86.c @ 1043:3980ef0f6307