repos/blastem: z80_to_x86.c annotate

annotate z80_to_x86.c @ 730:38e9bee03749

More bugfixes for the 32-bit build of the Z80 core

author	Michael Pavone <pavone@retrodev.com>
date	Sun, 24 May 2015 15:05:18 -0700
parents	9ef6db986982
children	0835cd3dfc36

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"
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	10 #include <stdio.h>
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	11 #include <stdlib.h>
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	12 #include <stddef.h>
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	13 #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	14
4d4559b04c59 Make reset trigger debug exit to make 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 #define MODE_UNUSED (MODE_IMMED-1)
4d4559b04c59 Make reset trigger debug exit to make 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
315 684e71e9f0d0 Fix return address for RST Mike Pavone <pavone@retrodev.com> parents: 314 diff changeset	17 //#define DO_DEBUG_PRINT
275 1a7d0a964ad2 Implement shift instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 274 diff changeset	18
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	19 #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	20 #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	21 #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	22 #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	23 #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	24
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	25 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	26 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	27
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	28 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	29 {
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	30 uint8_t reg = (inst->reg & 0x1F);
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	31 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	32 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	33 }
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	34 //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	35 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	36 }
4d4559b04c59 Make reset trigger debug exit to make 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
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	38 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	39 {
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	40 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	41 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	42 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	43 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	44 } 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	45 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	46 } else {
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	47 ea->mode = MODE_REG_DIRECT;
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	48 if (inst->reg == Z80_IYH) {
312 cf7ecda060c7 Properly handle instructions that use boty IYH and IYL Mike Pavone <pavone@retrodev.com> parents: 311 diff changeset	49 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	50 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	51 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	52 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	53 } else {
cf7ecda060c7 Properly handle instructions that use boty IYH and IYL Mike Pavone <pavone@retrodev.com> parents: 311 diff changeset	54 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	55 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	56 }
262 d97c9eca49f4 Implement ld to and from the I and R registers Mike Pavone <pavone@retrodev.com> parents: 261 diff changeset	57 } 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	58 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	59 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	60 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	61 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	62 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	63 //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	64 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	65 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	66 }
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	67 } 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	68 //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	69 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	70 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	71 }
1788e3f29c28 Don't mix H regs with the REX prefix Mike Pavone <pavone@retrodev.com>* parents: 266 diff changeset	72 }
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	73 } else {
262 d97c9eca49f4 Implement ld to and from the I and R registers Mike Pavone <pavone@retrodev.com> parents: 261 diff changeset	74 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	75 ea->base = opts->gen.context_reg;
262 d97c9eca49f4 Implement ld to and from the I and R registers Mike Pavone <pavone@retrodev.com> parents: 261 diff changeset	76 ea->disp = offsetof(z80_context, regs) + 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	77 }
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	78 }
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	79 }
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	80
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	81 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	82 {
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	83 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	84 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	85 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	86 }
213 4d4559b04c59 Make reset trigger debug exit to make 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_IYH) {
312 cf7ecda060c7 Properly handle instructions that use boty IYH and IYL Mike Pavone <pavone@retrodev.com> parents: 311 diff changeset	88 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	89 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	90 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	91 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	92 } else {
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	93 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	94 }
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	95 } 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	96 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	97 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	98 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	99 //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	100 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	101 }
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	102 } 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	103 //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	104 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	105 }
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	106 }
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	107 }
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	108
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	109 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	110 {
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	111 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	112 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	113 int8_t reg;
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	114 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	115 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	116 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	117 {
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	118 case Z80_REG:
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	119 if (inst->ea_reg == Z80_IYH && opts->regs[Z80_IY] >= 0) {
312 cf7ecda060c7 Properly handle instructions that use boty IYH and IYL Mike Pavone <pavone@retrodev.com> parents: 311 diff changeset	120 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	121 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	122 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	123 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	124 } else {
cf7ecda060c7 Properly handle instructions that use boty IYH and IYL Mike Pavone <pavone@retrodev.com> parents: 311 diff changeset	125 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	126 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	127 }
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	128 } 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	129 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	130 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	131 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	132 #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	133 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	134 //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	135 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	136 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	137 }
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	138 #endif
267 1788e3f29c28 Don't mix H regs with the REX prefix Mike Pavone <pavone@retrodev.com>* parents: 266 diff changeset	139 }
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	140 } 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	141 ea->mode = MODE_REG_DISPLACE8;
659 759c38bf97f8 Minor Z80 core cleanup Michael Pavone <pavone@retrodev.com> parents: 657 diff changeset	142 ea->base = opts->gen.context_reg;
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	143 ea->disp = offsetof(z80_context, regs) + 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	144 }
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	145 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	146 case 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	147 if (opts->regs[inst->ea_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	148 mov_rr(code, opts->regs[inst->ea_reg], areg, 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	149 } 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	150 mov_rdispr(code, opts->gen.context_reg, offsetof(z80_context, regs) + z80_low_reg(inst->ea_reg), areg, 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	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 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	153 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	154 if (modify) {
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	155 //push_r(code, opts->gen.scratch1);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	156 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	157 }
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	158 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	159 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	160 } else {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	161 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	162 }
4d4559b04c59 Make reset trigger debug exit to make 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 if (modify) {
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	164 //pop_r(code, opts->gen.scratch2);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	165 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	166 }
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	167 }
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	168 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	169 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	170 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	171 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	172 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	173 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	174 case Z80_IMMED_INDIRECT:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	175 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	176 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	177 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	178 /*if (modify) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	179 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	180 }*/
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	181 if (size == SZ_B) {
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	182 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	183 } else {
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	184 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	185 }
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	186 if (modify) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	187 //pop_r(code, opts->gen.scratch2);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	188 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	189 }
4d4559b04c59 Make reset trigger debug exit to make 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 }
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	191 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	192 break;
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	193 case Z80_IX_DISPLACE:
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	194 case Z80_IY_DISPLACE:
300 9adc1dce39bf Fix IX/IY register selection when the direction bit is set Mike Pavone <pavone@retrodev.com> parents: 299 diff changeset	195 reg = opts->regs[(inst->addr_mode & 0x1F) == Z80_IX_DISPLACE ? Z80_IX : Z80_IY];
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	196 if (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	197 mov_rr(code, reg, areg, 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	198 } 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	199 mov_rdispr(code, opts->gen.context_reg, offsetof(z80_context, regs) + (inst->addr_mode & 0x1F) == Z80_IX_DISPLACE ? Z80_IXL : Z80_IYL, areg, 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	200 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	201 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	202 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	203 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	204 if (modify) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	205 //push_r(code, opts->gen.scratch1);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	206 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	207 }
4d4559b04c59 Make reset trigger debug exit to make 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 if (size == SZ_B) {
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	209 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	210 } else {
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	211 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	212 }
4d4559b04c59 Make reset trigger debug exit to make 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 if (modify) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	214 //pop_r(code, opts->gen.scratch2);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	215 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	216 }
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	217 }
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	218 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	219 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	220 case Z80_UNUSED:
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	221 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	222 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	223 default:
300 9adc1dce39bf Fix IX/IY register selection when the direction bit is set Mike Pavone <pavone@retrodev.com> parents: 299 diff changeset	224 fprintf(stderr, "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	225 exit(1);
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	226 }
4d4559b04c59 Make reset trigger debug exit to make 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
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	229 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	230 {
267 1788e3f29c28 Don't mix H regs with the REX prefix Mike Pavone <pavone@retrodev.com>* parents: 266 diff changeset	231 if ((inst->addr_mode & 0x1F) == Z80_REG) {
1788e3f29c28 Don't mix H regs with the REX prefix Mike Pavone <pavone@retrodev.com>* parents: 266 diff changeset	232 if (inst->ea_reg == Z80_IYH) {
312 cf7ecda060c7 Properly handle instructions that use boty IYH and IYL Mike Pavone <pavone@retrodev.com> parents: 311 diff changeset	233 if (inst->reg == Z80_IYL) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	234 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	235 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	236 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	237 } else {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	238 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	239 }
267 1788e3f29c28 Don't mix H regs with the REX prefix Mike Pavone <pavone@retrodev.com>* parents: 266 diff changeset	240 } 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	241 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	242 #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	243 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	244 //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	245 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	246 }
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	247 #endif
267 1788e3f29c28 Don't mix H regs with the REX prefix Mike Pavone <pavone@retrodev.com>* parents: 266 diff changeset	248 }
213 4d4559b04c59 Make reset trigger debug exit to make 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 }
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	251
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	252 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	253 {
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	254 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	255 {
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	256 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	257 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	258 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	259 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	260 if (z80_size(inst) == SZ_B) {
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	261 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	262 } else {
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	263 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	264 }
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	265 }
4d4559b04c59 Make reset trigger debug exit to make 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 }
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	267
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	268 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	269 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	270 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	271 };
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	272
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	273 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	274 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	275 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	276 };
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	277
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	278 uint8_t zf_off(uint8_t 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	279 {
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	280 return offsetof(z80_context, flags) + 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	281 }
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	282
241 2586d49ddd46 Implement EX, EXX and RST in Z80 core Mike Pavone <pavone@retrodev.com> parents: 239 diff changeset	283 uint8_t zaf_off(uint8_t flag)
2586d49ddd46 Implement EX, EXX and RST in Z80 core Mike Pavone <pavone@retrodev.com> parents: 239 diff changeset	284 {
2586d49ddd46 Implement EX, EXX and RST in Z80 core Mike Pavone <pavone@retrodev.com> parents: 239 diff changeset	285 return offsetof(z80_context, alt_flags) + flag;
2586d49ddd46 Implement EX, EXX and RST in Z80 core Mike Pavone <pavone@retrodev.com> parents: 239 diff changeset	286 }
2586d49ddd46 Implement EX, EXX and RST in Z80 core Mike Pavone <pavone@retrodev.com> parents: 239 diff changeset	287
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	288 uint8_t zr_off(uint8_t 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	289 {
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	290 if (reg > Z80_A) {
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	291 reg = z80_low_reg(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	292 }
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	293 return offsetof(z80_context, regs) + 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	294 }
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	295
241 2586d49ddd46 Implement EX, EXX and RST in Z80 core Mike Pavone <pavone@retrodev.com> parents: 239 diff changeset	296 uint8_t zar_off(uint8_t reg)
2586d49ddd46 Implement EX, EXX and RST in Z80 core Mike Pavone <pavone@retrodev.com> parents: 239 diff changeset	297 {
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	298 if (reg > Z80_A) {
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	299 reg = z80_low_reg(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	300 }
241 2586d49ddd46 Implement EX, EXX and RST in Z80 core Mike Pavone <pavone@retrodev.com> parents: 239 diff changeset	301 return offsetof(z80_context, alt_regs) + reg;
2586d49ddd46 Implement EX, EXX and RST in Z80 core Mike Pavone <pavone@retrodev.com> parents: 239 diff changeset	302 }
2586d49ddd46 Implement EX, EXX and RST in Z80 core Mike Pavone <pavone@retrodev.com> parents: 239 diff changeset	303
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	304 void zreg_to_native(z80_options *opts, uint8_t reg, uint8_t native_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	305 {
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	306 if (opts->regs[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	307 mov_rr(&opts->gen.code, opts->regs[reg], native_reg, reg > Z80_A ? SZ_W : 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	308 } 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	309 mov_rdispr(&opts->gen.code, opts->gen.context_reg, zr_off(reg), native_reg, reg > Z80_A ? SZ_W : 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	310 }
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	311 }
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	312
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	313 void native_to_zreg(z80_options *opts, uint8_t native_reg, uint8_t 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	314 {
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	315 if (opts->regs[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	316 mov_rr(&opts->gen.code, native_reg, opts->regs[reg], reg > Z80_A ? SZ_W : 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	317 } 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	318 mov_rrdisp(&opts->gen.code, native_reg, opts->gen.context_reg, zr_off(reg), reg > Z80_A ? SZ_W : 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	319 }
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	320 }
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	321
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	322 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	323 {
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\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	325 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	326 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	327 (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	328 (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	329 (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	330 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	331 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	332 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	333 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	334 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	335 (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	336 (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	337 (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	338 exit(0);
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	339 }
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	340
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	341 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	342 {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	343 uint32_t num_cycles;
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	344 host_ea src_op, dst_op;
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	345 uint8_t size;
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	346 z80_options *opts = context->options;
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	347 uint8_t * start = opts->gen.code.cur;
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	348 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	349 if (!interp) {
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	350 check_cycles_int(&opts->gen, address);
627 c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses Michael Pavone <pavone@retrodev.com> parents: 626 diff changeset	351 if (context->breakpoint_flags[address / sizeof(uint8_t)] & (1 << (address % sizeof(uint8_t)))) {
c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses Michael Pavone <pavone@retrodev.com> parents: 626 diff changeset	352 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	353 }
697 7f96bd1cb1be Sync fixes and logging to fix more sync issues Michael Pavone <pavone@retrodev.com> parents: 682 diff changeset	354 //log_address(&opts->gen, address, "Z80: %X @ %d\n");
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	355 }
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	356 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	357 {
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	358 case Z80_LD:
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	359 size = z80_size(inst);
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	360 switch (inst->addr_mode & 0x1F)
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	361 {
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	362 case Z80_REG:
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	363 case Z80_REG_INDIRECT:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	364 num_cycles = size == SZ_B ? 4 : 6;
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	365 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	366 num_cycles += 4;
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	367 }
506 a3b48a57e847 Fix timing of certain ld and jp instructions in the Z80 core Michael Pavone <pavone@retrodev.com> parents: 505 diff changeset	368 if (inst->reg == Z80_I \|\| inst->ea_reg == Z80_I) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	369 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	370 }
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_IMMED:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	373 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	374 break;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	375 case Z80_IMMED_INDIRECT:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	376 num_cycles = 10;
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	377 break;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	378 case Z80_IX_DISPLACE:
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	379 case Z80_IY_DISPLACE:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	380 num_cycles = 16;
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	381 break;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	382 }
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	383 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	384 num_cycles += 4;
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	385 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	386 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	387 if (inst->addr_mode & Z80_DIR) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	388 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	389 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	390 } else {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	391 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	392 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	393 }
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	394 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	395 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	396 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	397 } else {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	398 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	399 }
d97c9eca49f4 Implement ld to and from the I and R registers Mike Pavone <pavone@retrodev.com> parents: 261 diff changeset	400 } 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	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_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	403 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	404 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	405 }
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	406 } else {
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	407 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	408 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	409 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	410 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	411 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	412 }
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	413 }
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	414 if (inst->ea_reg == Z80_I && inst->addr_mode == Z80_REG) {
103d5cabbe14 Fix flags for rra, rrca, rla and rlca. Fix timing for rr, rrc, rl and rlc when using IX or IY. Fix access to I and R registers (R still needs to be made 7-bit though). Fix flags for ld a, i. The fix for access to I fixes PCM playback in Titan Overdrive and music playback in Crackdown. Michael Pavone <pavone@retrodev.com> parents: 644 diff changeset	415 //ld a, i sets some flags
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	416 //TODO: Implement half-carry flag
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	417 cmp_ir(code, 0, dst_op.base, SZ_B);
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	418 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	419 setcc_rdisp(code, CC_S, opts->gen.context_reg, zf_off(ZF_S));
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	420 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	421 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	422 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	423 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	424 z80_save_reg(inst, opts);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	425 z80_save_ea(code, inst, opts);
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	426 if (inst->addr_mode & Z80_DIR) {
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	427 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	428 }
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	429 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	430 case Z80_PUSH:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	431 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	432 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	433 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	434 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	435 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	436 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	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_Z), 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, 2, 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_H), opts->gen.scratch1, SZ_B);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	441 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	442 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	443 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	444 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	445 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	446 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	447 } else {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	448 translate_z80_reg(inst, &src_op, opts);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	449 mov_rr(code, src_op.base, opts->gen.scratch1, SZ_W);
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	450 }
591 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.scratch2, SZ_W);
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	452 call(code, opts->write_16_highfirst);
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	453 //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	454 //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	455 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	456 case Z80_POP:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	457 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	458 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	459 call(code, opts->read_16);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	460 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	461 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	462
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	463 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	464 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	465 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	466 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	467 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	468 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	469 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	470 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	471 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	472 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	473 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	474 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	475 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	476 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	477 } else {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	478 translate_z80_reg(inst, &src_op, opts);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	479 mov_rr(code, opts->gen.scratch1, src_op.base, SZ_W);
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	480 }
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	481 //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	482 //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	483 break;
241 2586d49ddd46 Implement EX, EXX and RST in Z80 core Mike Pavone <pavone@retrodev.com> parents: 239 diff changeset	484 case Z80_EX:
2586d49ddd46 Implement EX, EXX and RST in Z80 core Mike Pavone <pavone@retrodev.com> parents: 239 diff changeset	485 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	486 num_cycles = 4;
241 2586d49ddd46 Implement EX, EXX and RST in Z80 core Mike Pavone <pavone@retrodev.com> parents: 239 diff changeset	487 } else {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	488 num_cycles = 8;
241 2586d49ddd46 Implement EX, EXX and RST in Z80 core Mike Pavone <pavone@retrodev.com> parents: 239 diff changeset	489 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	490 cycles(&opts->gen, num_cycles);
241 2586d49ddd46 Implement EX, EXX and RST in Z80 core Mike Pavone <pavone@retrodev.com> parents: 239 diff changeset	491 if (inst->addr_mode == Z80_REG) {
2586d49ddd46 Implement EX, EXX and RST in Z80 core Mike Pavone <pavone@retrodev.com> parents: 239 diff changeset	492 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	493 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	494 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	495 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	496 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	497
241 2586d49ddd46 Implement EX, EXX and RST in Z80 core Mike Pavone <pavone@retrodev.com> parents: 239 diff changeset	498 //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	499 //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	500 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	501 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	502 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	503 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	504 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	505 }
2586d49ddd46 Implement EX, EXX and RST in Z80 core Mike Pavone <pavone@retrodev.com> parents: 239 diff changeset	506 } 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	507 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	508 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	509 } 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	510 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	511 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	512 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	513 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	514 }
241 2586d49ddd46 Implement EX, EXX and RST in Z80 core Mike Pavone <pavone@retrodev.com> parents: 239 diff changeset	515 }
2586d49ddd46 Implement EX, EXX and RST in Z80 core Mike Pavone <pavone@retrodev.com> parents: 239 diff changeset	516 } else {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	517 mov_rr(code, opts->regs[Z80_SP], opts->gen.scratch1, SZ_W);
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	518 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	519 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	520 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	521 } 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	522 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	523 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	524 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	525 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	526 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	527 call(code, opts->write_8);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	528 cycles(&opts->gen, 1);
241 2586d49ddd46 Implement EX, EXX and RST in Z80 core Mike Pavone <pavone@retrodev.com> parents: 239 diff changeset	529 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	530 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	531 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	532 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	533 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	534 //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	535 //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	536 //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	537 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	538 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	539 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	540 //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	541 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	542 } 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	543 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	544 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	545 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	546 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	547 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	548 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	549 call(code, opts->write_8);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	550 cycles(&opts->gen, 2);
241 2586d49ddd46 Implement EX, EXX and RST in Z80 core Mike Pavone <pavone@retrodev.com> parents: 239 diff changeset	551 }
2586d49ddd46 Implement EX, EXX and RST in Z80 core Mike Pavone <pavone@retrodev.com> parents: 239 diff changeset	552 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	553 case Z80_EXX:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	554 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	555 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	556 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	557 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	558 native_to_zreg(opts, opts->gen.scratch2, Z80_BC);
9ef6db986982 Fix a bunch of assumptions about which 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
9ef6db986982 Fix a bunch of assumptions about which 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 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	561 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	562 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	563 native_to_zreg(opts, opts->gen.scratch2, 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	564
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	565 zreg_to_native(opts, Z80_DE, opts->gen.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	566 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	567 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	568 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	569 break;
272 9b04b57434b5 Implement LDI Mike Pavone <pavone@retrodev.com> parents: 269 diff changeset	570 case Z80_LDI: {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	571 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	572 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	573 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	574 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	575 call(code, opts->write_8);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	576 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	577 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	578 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	579 } 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	580 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	581 }
9ef6db986982 Fix a bunch of assumptions about which 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 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	583 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	584 } 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	585 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	586 }
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	587 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	588 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	589 } 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	590 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	591 }
272 9b04b57434b5 Implement LDI Mike Pavone <pavone@retrodev.com> parents: 269 diff changeset	592 //TODO: Implement half-carry
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	593 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	594 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	595 break;
9b04b57434b5 Implement LDI Mike Pavone <pavone@retrodev.com> parents: 269 diff changeset	596 }
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	597 case Z80_LDIR: {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	598 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	599 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	600 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	601 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	602 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	603 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	604 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	605 } 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	606 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	607 }
9ef6db986982 Fix a bunch of assumptions about which 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 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	609 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	610 } 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	611 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	612 }
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	613 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	614 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	615 } 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	616 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	617 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	618 uint8_t * cont = code->cur+1;
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	619 jcc(code, CC_Z, code->cur+2);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	620 cycles(&opts->gen, 7);
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	621 //TODO: Figure out what the flag state should be here
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	622 //TODO: Figure out whether an interrupt can interrupt this
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	623 jmp(code, start);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	624 *cont = code->cur - (cont + 1);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	625 cycles(&opts->gen, 2);
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	626 //TODO: Implement half-carry
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	627 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	628 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	629 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	630 }
273 719b9fea2fe9 Implement LDD and LDDR Mike Pavone <pavone@retrodev.com> parents: 272 diff changeset	631 case Z80_LDD: {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	632 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	633 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	634 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	635 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	636 call(code, opts->write_8);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	637 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	638 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	639 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	640 } 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	641 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	642 }
9ef6db986982 Fix a bunch of assumptions about which 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 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	644 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	645 } 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	646 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	647 }
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	648 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	649 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	650 } 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	651 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	652 }
273 719b9fea2fe9 Implement LDD and LDDR Mike Pavone <pavone@retrodev.com> parents: 272 diff changeset	653 //TODO: Implement half-carry
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	654 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	655 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	656 break;
719b9fea2fe9 Implement LDD and LDDR Mike Pavone <pavone@retrodev.com> parents: 272 diff changeset	657 }
719b9fea2fe9 Implement LDD and LDDR Mike Pavone <pavone@retrodev.com> parents: 272 diff changeset	658 case Z80_LDDR: {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	659 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	660 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	661 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	662 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	663 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	664 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	665 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	666 } 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	667 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	668 }
9ef6db986982 Fix a bunch of assumptions about which 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 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	670 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	671 } 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	672 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	673 }
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken Michael Pavone <pavone@retrodev.com> parents: 716 diff changeset	674 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	675 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	676 } 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	677 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	678 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	679 uint8_t * cont = code->cur+1;
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	680 jcc(code, CC_Z, code->cur+2);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	681 cycles(&opts->gen, 7);
273 719b9fea2fe9 Implement LDD and LDDR Mike Pavone <pavone@retrodev.com> parents: 272 diff changeset	682 //TODO: Figure out what the flag state should be here
719b9fea2fe9 Implement LDD and LDDR Mike Pavone <pavone@retrodev.com> parents: 272 diff changeset	683 //TODO: Figure out whether an interrupt can interrupt this
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	684 jmp(code, start);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	685 *cont = code->cur - (cont + 1);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	686 cycles(&opts->gen, 2);
273 719b9fea2fe9 Implement LDD and LDDR Mike Pavone <pavone@retrodev.com> parents: 272 diff changeset	687 //TODO: Implement half-carry
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	688 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	689 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	690 break;
719b9fea2fe9 Implement LDD and LDDR Mike Pavone <pavone@retrodev.com> parents: 272 diff changeset	691 }
719b9fea2fe9 Implement LDD and LDDR Mike Pavone <pavone@retrodev.com> parents: 272 diff changeset	692 /*case Z80_CPI:
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	693 case Z80_CPIR:
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	694 case Z80_CPD:
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	695 case Z80_CPDR:
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	696 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	697 case Z80_ADD:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	698 num_cycles = 4;
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	699 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	700 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	701 } 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	702 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	703 } 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	704 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	705 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	706 cycles(&opts->gen, num_cycles);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	707 translate_z80_reg(inst, &dst_op, opts);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	708 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	709 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	710 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	711 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	712 } 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	713 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	714 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	715 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	716 }
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	717 } else {
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	718 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	719 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	720 } 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	721 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	722 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	723 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	724 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	725 }
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	726 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	727 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	728 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	729 //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	730 if (z80_size(inst) == SZ_B) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	731 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	732 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	733 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	734 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	735 z80_save_reg(inst, opts);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	736 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	737 break;
248 9c7a3db7bcd0 Implement ADC and SBC in Z80 core (untested) Mike Pavone <pavone@retrodev.com> parents: 247 diff changeset	738 case Z80_ADC:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	739 num_cycles = 4;
248 9c7a3db7bcd0 Implement ADC and SBC in Z80 core (untested) Mike Pavone <pavone@retrodev.com> parents: 247 diff changeset	740 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	741 num_cycles += 12;
248 9c7a3db7bcd0 Implement ADC and SBC in Z80 core (untested) Mike Pavone <pavone@retrodev.com> parents: 247 diff changeset	742 } 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	743 num_cycles += 3;
248 9c7a3db7bcd0 Implement ADC and SBC in Z80 core (untested) Mike Pavone <pavone@retrodev.com> parents: 247 diff changeset	744 } 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	745 num_cycles += 4;
248 9c7a3db7bcd0 Implement ADC and SBC in Z80 core (untested) Mike Pavone <pavone@retrodev.com> parents: 247 diff changeset	746 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	747 cycles(&opts->gen, num_cycles);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	748 translate_z80_reg(inst, &dst_op, opts);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	749 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	750 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	751 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	752 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	753 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	754 } 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	755 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	756 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	757 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	758 }
248 9c7a3db7bcd0 Implement ADC and SBC in Z80 core (untested) Mike Pavone <pavone@retrodev.com> parents: 247 diff changeset	759 } else {
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	760 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	761 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	762 } 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	763 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	764 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	765 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	766 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	767 }
248 9c7a3db7bcd0 Implement ADC and SBC in Z80 core (untested) Mike Pavone <pavone@retrodev.com> parents: 247 diff changeset	768 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	769 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	770 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	771 //TODO: Implement half-carry flag
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	772 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	773 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	774 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	775 z80_save_reg(inst, opts);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	776 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	777 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	778 case Z80_SUB:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	779 num_cycles = 4;
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	780 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	781 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	782 } 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	783 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	784 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	785 cycles(&opts->gen, num_cycles);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	786 translate_z80_reg(inst, &dst_op, opts);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	787 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	788 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	789 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	790 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	791 } 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	792 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	793 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	794 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	795 }
213 4d4559b04c59 Make reset trigger debug exit to make 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 {
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	797 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	798 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	799 } 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	800 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	801 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	802 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	803 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	804 }
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	805 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	806 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	807 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	808 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	809 //TODO: Implement half-carry flag
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	810 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	811 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	812 z80_save_reg(inst, opts);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	813 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	814 break;
248 9c7a3db7bcd0 Implement ADC and SBC in Z80 core (untested) Mike Pavone <pavone@retrodev.com> parents: 247 diff changeset	815 case Z80_SBC:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	816 num_cycles = 4;
248 9c7a3db7bcd0 Implement ADC and SBC in Z80 core (untested) Mike Pavone <pavone@retrodev.com> parents: 247 diff changeset	817 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	818 num_cycles += 12;
248 9c7a3db7bcd0 Implement ADC and SBC in Z80 core (untested) Mike Pavone <pavone@retrodev.com> parents: 247 diff changeset	819 } 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	820 num_cycles += 3;
248 9c7a3db7bcd0 Implement ADC and SBC in Z80 core (untested) Mike Pavone <pavone@retrodev.com> parents: 247 diff changeset	821 } 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	822 num_cycles += 4;
248 9c7a3db7bcd0 Implement ADC and SBC in Z80 core (untested) Mike Pavone <pavone@retrodev.com> parents: 247 diff changeset	823 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	824 cycles(&opts->gen, num_cycles);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	825 translate_z80_reg(inst, &dst_op, opts);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	826 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	827 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	828 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	829 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	830 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	831 } 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	832 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	833 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	834 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	835 }
248 9c7a3db7bcd0 Implement ADC and SBC in Z80 core (untested) Mike Pavone <pavone@retrodev.com> parents: 247 diff changeset	836 } else {
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	837 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	838 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	839 } 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	840 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	841 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	842 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	843 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	844 }
248 9c7a3db7bcd0 Implement ADC and SBC in Z80 core (untested) Mike Pavone <pavone@retrodev.com> parents: 247 diff changeset	845 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	846 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	847 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	848 //TODO: Implement half-carry flag
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	849 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	850 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	851 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	852 z80_save_reg(inst, opts);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	853 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	854 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	855 case Z80_AND:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	856 num_cycles = 4;
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	857 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	858 num_cycles += 12;
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	859 } 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	860 num_cycles += 3;
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	861 } 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	862 num_cycles += 4;
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	863 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	864 cycles(&opts->gen, num_cycles);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	865 translate_z80_reg(inst, &dst_op, opts);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	866 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	867 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	868 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	869 } 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	870 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	871 } else {
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	872 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	873 }
19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	874 //TODO: Cleanup flags
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	875 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	876 mov_irdisp(code, 0, 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	877 //TODO: Implement half-carry flag
19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	878 if (z80_size(inst) == SZ_B) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	879 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	880 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	881 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	882 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	883 z80_save_reg(inst, opts);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	884 z80_save_ea(code, inst, opts);
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	885 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	886 case Z80_OR:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	887 num_cycles = 4;
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	888 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	889 num_cycles += 12;
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	890 } 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	891 num_cycles += 3;
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	892 } 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	893 num_cycles += 4;
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	894 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	895 cycles(&opts->gen, num_cycles);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	896 translate_z80_reg(inst, &dst_op, opts);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	897 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	898 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	899 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	900 } 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	901 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	902 } else {
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	903 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	904 }
19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	905 //TODO: Cleanup flags
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	906 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	907 mov_irdisp(code, 0, 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	908 //TODO: Implement half-carry flag
19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	909 if (z80_size(inst) == SZ_B) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	910 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	911 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	912 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	913 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	914 z80_save_reg(inst, opts);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	915 z80_save_ea(code, inst, opts);
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	916 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	917 case Z80_XOR:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	918 num_cycles = 4;
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	919 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	920 num_cycles += 12;
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	921 } 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	922 num_cycles += 3;
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	923 } 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	924 num_cycles += 4;
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	925 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	926 cycles(&opts->gen, num_cycles);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	927 translate_z80_reg(inst, &dst_op, opts);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	928 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	929 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	930 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	931 } 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	932 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	933 } else {
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	934 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	935 }
19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	936 //TODO: Cleanup flags
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	937 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	938 mov_irdisp(code, 0, 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	939 //TODO: Implement half-carry flag
19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	940 if (z80_size(inst) == SZ_B) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	941 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	942 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	943 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	944 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	945 z80_save_reg(inst, opts);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	946 z80_save_ea(code, inst, opts);
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	947 break;
242 d3b84b2a4397 Implemente CP (untested) Mike Pavone <pavone@retrodev.com> parents: 241 diff changeset	948 case Z80_CP:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	949 num_cycles = 4;
242 d3b84b2a4397 Implemente CP (untested) Mike Pavone <pavone@retrodev.com> parents: 241 diff changeset	950 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	951 num_cycles += 12;
242 d3b84b2a4397 Implemente CP (untested) Mike Pavone <pavone@retrodev.com> parents: 241 diff changeset	952 } 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	953 num_cycles += 3;
242 d3b84b2a4397 Implemente CP (untested) Mike Pavone <pavone@retrodev.com> parents: 241 diff changeset	954 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	955 cycles(&opts->gen, num_cycles);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	956 translate_z80_reg(inst, &dst_op, opts);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	957 translate_z80_ea(inst, &src_op, opts, READ, DONT_MODIFY);
242 d3b84b2a4397 Implemente CP (untested) Mike Pavone <pavone@retrodev.com> parents: 241 diff changeset	958 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	959 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	960 } 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	961 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	962 } else {
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	963 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	964 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	965 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	966 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	967 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	968 //TODO: Implement half-carry flag
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	969 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	970 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	971 z80_save_reg(inst, opts);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	972 z80_save_ea(code, inst, opts);
242 d3b84b2a4397 Implemente CP (untested) Mike Pavone <pavone@retrodev.com> parents: 241 diff changeset	973 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	974 case Z80_INC:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	975 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	976 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	977 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	978 } 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	979 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	980 } 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	981 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	982 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	983 cycles(&opts->gen, num_cycles);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	984 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	985 if (dst_op.mode == MODE_UNUSED) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	986 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	987 }
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	988 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	989 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	990 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	991 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	992 }
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	993 if (z80_size(inst) == SZ_B) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	994 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	995 //TODO: Implement half-carry flag
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	996 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	997 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	998 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	999 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1000 z80_save_reg(inst, opts);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1001 z80_save_ea(code, inst, opts);
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	1002 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	1003 break;
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1004 case Z80_DEC:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1005 num_cycles = 4;
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1006 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	1007 num_cycles += 6;
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1008 } 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	1009 num_cycles += 2;
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1010 } 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	1011 num_cycles += 4;
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1012 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1013 cycles(&opts->gen, num_cycles);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1014 translate_z80_reg(inst, &dst_op, opts);
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1015 if (dst_op.mode == MODE_UNUSED) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1016 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	1017 }
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1018 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	1019 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	1020 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1021 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	1022 }
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1023
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1024 if (z80_size(inst) == SZ_B) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1025 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	1026 //TODO: Implement half-carry flag
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1027 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	1028 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	1029 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	1030 }
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);
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	1033 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	1034 break;
274 be2b845d3e94 Implement CPL and NEG (untested) Mike Pavone <pavone@retrodev.com> parents: 273 diff changeset	1035 //case Z80_DAA:
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	1036 case Z80_CPL:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1037 cycles(&opts->gen, 4);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1038 not_r(code, opts->regs[Z80_A], SZ_B);
274 be2b845d3e94 Implement CPL and NEG (untested) Mike Pavone <pavone@retrodev.com> parents: 273 diff changeset	1039 //TODO: Implement half-carry flag
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1040 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	1041 break;
be2b845d3e94 Implement CPL and NEG (untested) Mike Pavone <pavone@retrodev.com> parents: 273 diff changeset	1042 case Z80_NEG:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1043 cycles(&opts->gen, 8);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1044 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	1045 //TODO: Implement half-carry flag
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1046 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	1047 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	1048 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	1049 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	1050 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	1051 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	1052 case Z80_CCF:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1053 cycles(&opts->gen, 4);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1054 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	1055 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_N), SZ_B);
257 4c7933444df4 Implement CCF and SCF Mike Pavone <pavone@retrodev.com> parents: 255 diff changeset	1056 //TODO: Implement half-carry flag
4c7933444df4 Implement CCF and SCF Mike Pavone <pavone@retrodev.com> parents: 255 diff changeset	1057 break;
4c7933444df4 Implement CCF and SCF Mike Pavone <pavone@retrodev.com> parents: 255 diff changeset	1058 case Z80_SCF:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1059 cycles(&opts->gen, 4);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1060 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	1061 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_N), SZ_B);
257 4c7933444df4 Implement CCF and SCF Mike Pavone <pavone@retrodev.com> parents: 255 diff changeset	1062 //TODO: Implement half-carry flag
4c7933444df4 Implement CCF and SCF Mike Pavone <pavone@retrodev.com> parents: 255 diff changeset	1063 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	1064 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	1065 if (inst->immed == 42) {
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	1066 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	1067 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	1068 } else {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1069 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	1070 }
4d4559b04c59 Make reset trigger debug exit to make 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 break;
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	1072 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	1073 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	1074 //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	1075 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	1076 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	1077 jmp(code, loop_top);
285 021aeb6df19b Implement HALT (sort of tested) Mike Pavone <pavone@retrodev.com> parents: 284 diff changeset	1078 break;
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	1079 }
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	1080 case Z80_DI:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1081 cycles(&opts->gen, 4);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1082 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	1083 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	1084 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	1085 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	1086 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	1087 case Z80_EI:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1088 cycles(&opts->gen, 4);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1089 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	1090 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	1091 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	1092 //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	1093 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	1094 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	1095 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	1096 case Z80_IM:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1097 cycles(&opts->gen, 4);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1098 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	1099 break;
247 682e505f5757 Implement rotation and bit set/reset instructions (untested). Mike Pavone <pavone@retrodev.com> parents: 246 diff changeset	1100 case Z80_RLC:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1101 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	1102 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	1103 if (inst->addr_mode != Z80_UNUSED) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1104 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	1105 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	1106 cycles(&opts->gen, 1);
247 682e505f5757 Implement rotation and bit set/reset instructions (untested). Mike Pavone <pavone@retrodev.com> parents: 246 diff changeset	1107 } else {
302 3b831fe32c15 More fixes for confusion between Z80_UNUSED and MODE_UNUSED Mike Pavone <pavone@retrodev.com> parents: 301 diff changeset	1108 src_op.mode = MODE_UNUSED;
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1109 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	1110 }
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1111 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	1112 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	1113 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1114 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	1115 }
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1116 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	1117 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	1118 } 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	1119 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	1120 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1121 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	1122 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_N), SZ_B);
247 682e505f5757 Implement rotation and bit set/reset instructions (untested). Mike Pavone <pavone@retrodev.com> parents: 246 diff changeset	1123 //TODO: Implement half-carry flag
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	1124 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	1125 //rlca does not set these flags
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1126 cmp_ir(code, 0, 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	1127 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	1128 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	1129 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	1130 }
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	1131 if (inst->addr_mode != Z80_UNUSED) {
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	1132 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	1133 if (src_op.mode != MODE_UNUSED) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1134 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	1135 }
247 682e505f5757 Implement rotation and bit set/reset instructions (untested). Mike Pavone <pavone@retrodev.com> parents: 246 diff changeset	1136 } else {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1137 z80_save_reg(inst, opts);
247 682e505f5757 Implement rotation and bit set/reset instructions (untested). Mike Pavone <pavone@retrodev.com> parents: 246 diff changeset	1138 }
682e505f5757 Implement rotation and bit set/reset instructions (untested). Mike Pavone <pavone@retrodev.com> parents: 246 diff changeset	1139 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	1140 case Z80_RL:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1141 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	1142 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	1143 if (inst->addr_mode != Z80_UNUSED) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1144 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	1145 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	1146 cycles(&opts->gen, 1);
247 682e505f5757 Implement rotation and bit set/reset instructions (untested). Mike Pavone <pavone@retrodev.com> parents: 246 diff changeset	1147 } else {
302 3b831fe32c15 More fixes for confusion between Z80_UNUSED and MODE_UNUSED Mike Pavone <pavone@retrodev.com> parents: 301 diff changeset	1148 src_op.mode = MODE_UNUSED;
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1149 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	1150 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1151 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	1152 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	1153 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	1154 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1155 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	1156 }
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1157 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	1158 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	1159 } 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	1160 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	1161 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1162 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	1163 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_N), SZ_B);
247 682e505f5757 Implement rotation and bit set/reset instructions (untested). Mike Pavone <pavone@retrodev.com> parents: 246 diff changeset	1164 //TODO: Implement half-carry flag
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	1165 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	1166 //rla does not set these flags
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1167 cmp_ir(code, 0, 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	1168 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	1169 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	1170 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	1171 }
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	1172 if (inst->addr_mode != Z80_UNUSED) {
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	1173 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	1174 if (src_op.mode != MODE_UNUSED) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1175 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	1176 }
247 682e505f5757 Implement rotation and bit set/reset instructions (untested). Mike Pavone <pavone@retrodev.com> parents: 246 diff changeset	1177 } else {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1178 z80_save_reg(inst, opts);
247 682e505f5757 Implement rotation and bit set/reset instructions (untested). Mike Pavone <pavone@retrodev.com> parents: 246 diff changeset	1179 }
682e505f5757 Implement rotation and bit set/reset instructions (untested). Mike Pavone <pavone@retrodev.com> parents: 246 diff changeset	1180 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	1181 case Z80_RRC:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1182 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	1183 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	1184 if (inst->addr_mode != Z80_UNUSED) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1185 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	1186 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	1187 cycles(&opts->gen, 1);
247 682e505f5757 Implement rotation and bit set/reset instructions (untested). Mike Pavone <pavone@retrodev.com> parents: 246 diff changeset	1188 } else {
302 3b831fe32c15 More fixes for confusion between Z80_UNUSED and MODE_UNUSED Mike Pavone <pavone@retrodev.com> parents: 301 diff changeset	1189 src_op.mode = MODE_UNUSED;
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1190 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	1191 }
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1192 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	1193 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	1194 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1195 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	1196 }
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1197 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	1198 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	1199 } 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	1200 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	1201 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1202 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	1203 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_N), SZ_B);
247 682e505f5757 Implement rotation and bit set/reset instructions (untested). Mike Pavone <pavone@retrodev.com> parents: 246 diff changeset	1204 //TODO: Implement half-carry flag
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	1205 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	1206 //rrca does not set these flags
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1207 cmp_ir(code, 0, 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	1208 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	1209 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	1210 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	1211 }
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	1212 if (inst->addr_mode != Z80_UNUSED) {
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	1213 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	1214 if (src_op.mode != MODE_UNUSED) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1215 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	1216 }
247 682e505f5757 Implement rotation and bit set/reset instructions (untested). Mike Pavone <pavone@retrodev.com> parents: 246 diff changeset	1217 } else {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1218 z80_save_reg(inst, opts);
247 682e505f5757 Implement rotation and bit set/reset instructions (untested). Mike Pavone <pavone@retrodev.com> parents: 246 diff changeset	1219 }
682e505f5757 Implement rotation and bit set/reset instructions (untested). Mike Pavone <pavone@retrodev.com> parents: 246 diff changeset	1220 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	1221 case Z80_RR:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1222 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	1223 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	1224 if (inst->addr_mode != Z80_UNUSED) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1225 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	1226 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	1227 cycles(&opts->gen, 1);
247 682e505f5757 Implement rotation and bit set/reset instructions (untested). Mike Pavone <pavone@retrodev.com> parents: 246 diff changeset	1228 } else {
302 3b831fe32c15 More fixes for confusion between Z80_UNUSED and MODE_UNUSED Mike Pavone <pavone@retrodev.com> parents: 301 diff changeset	1229 src_op.mode = MODE_UNUSED;
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1230 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	1231 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1232 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	1233 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	1234 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	1235 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1236 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	1237 }
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1238 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	1239 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	1240 } 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	1241 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	1242 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1243 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	1244 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_N), SZ_B);
247 682e505f5757 Implement rotation and bit set/reset instructions (untested). Mike Pavone <pavone@retrodev.com> parents: 246 diff changeset	1245 //TODO: Implement half-carry flag
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	1246 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	1247 //rra does not set these flags
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1248 cmp_ir(code, 0, 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	1249 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	1250 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	1251 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	1252 }
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 if (inst->addr_mode != Z80_UNUSED) {
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	1254 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	1255 if (src_op.mode != MODE_UNUSED) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1256 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	1257 }
247 682e505f5757 Implement rotation and bit set/reset instructions (untested). Mike Pavone <pavone@retrodev.com> parents: 246 diff changeset	1258 } else {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1259 z80_save_reg(inst, opts);
247 682e505f5757 Implement rotation and bit set/reset instructions (untested). Mike Pavone <pavone@retrodev.com> parents: 246 diff changeset	1260 }
682e505f5757 Implement rotation and bit set/reset instructions (untested). Mike Pavone <pavone@retrodev.com> parents: 246 diff changeset	1261 break;
275 1a7d0a964ad2 Implement shift instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 274 diff changeset	1262 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	1263 case Z80_SLL:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1264 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	1265 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	1266 if (inst->addr_mode != Z80_UNUSED) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1267 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	1268 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	1269 cycles(&opts->gen, 1);
275 1a7d0a964ad2 Implement shift instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 274 diff changeset	1270 } else {
302 3b831fe32c15 More fixes for confusion between Z80_UNUSED and MODE_UNUSED Mike Pavone <pavone@retrodev.com> parents: 301 diff changeset	1271 src_op.mode = MODE_UNUSED;
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1272 translate_z80_reg(inst, &dst_op, opts);
275 1a7d0a964ad2 Implement shift instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 274 diff changeset	1273 }
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1274 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	1275 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	1276 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1277 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	1278 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1279 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	1280 if (inst->op == Z80_SLL) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1281 or_ir(code, 1, dst_op.base, SZ_B);
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	1282 }
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1283 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	1284 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	1285 } 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	1286 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	1287 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1288 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_N), SZ_B);
275 1a7d0a964ad2 Implement shift instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 274 diff changeset	1289 //TODO: Implement half-carry flag
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1290 cmp_ir(code, 0, dst_op.base, SZ_B);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1291 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	1292 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	1293 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	1294 if (inst->addr_mode != Z80_UNUSED) {
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	1295 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	1296 if (src_op.mode != MODE_UNUSED) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1297 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	1298 }
275 1a7d0a964ad2 Implement shift instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 274 diff changeset	1299 } else {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1300 z80_save_reg(inst, opts);
275 1a7d0a964ad2 Implement shift instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 274 diff changeset	1301 }
1a7d0a964ad2 Implement shift instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 274 diff changeset	1302 break;
1a7d0a964ad2 Implement shift instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 274 diff changeset	1303 case Z80_SRA:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1304 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	1305 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	1306 if (inst->addr_mode != Z80_UNUSED) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1307 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	1308 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	1309 cycles(&opts->gen, 1);
275 1a7d0a964ad2 Implement shift instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 274 diff changeset	1310 } else {
302 3b831fe32c15 More fixes for confusion between Z80_UNUSED and MODE_UNUSED Mike Pavone <pavone@retrodev.com> parents: 301 diff changeset	1311 src_op.mode = MODE_UNUSED;
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1312 translate_z80_reg(inst, &dst_op, opts);
275 1a7d0a964ad2 Implement shift instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 274 diff changeset	1313 }
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1314 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	1315 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	1316 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1317 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	1318 }
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1319 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	1320 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	1321 } 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	1322 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	1323 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1324 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	1325 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_N), SZ_B);
275 1a7d0a964ad2 Implement shift instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 274 diff changeset	1326 //TODO: Implement half-carry flag
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1327 cmp_ir(code, 0, dst_op.base, SZ_B);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1328 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	1329 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	1330 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	1331 if (inst->addr_mode != Z80_UNUSED) {
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	1332 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	1333 if (src_op.mode != MODE_UNUSED) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1334 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	1335 }
275 1a7d0a964ad2 Implement shift instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 274 diff changeset	1336 } else {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1337 z80_save_reg(inst, opts);
275 1a7d0a964ad2 Implement shift instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 274 diff changeset	1338 }
1a7d0a964ad2 Implement shift instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 274 diff changeset	1339 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	1340 case Z80_SRL:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1341 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	1342 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	1343 if (inst->addr_mode != Z80_UNUSED) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1344 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	1345 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	1346 cycles(&opts->gen, 1);
275 1a7d0a964ad2 Implement shift instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 274 diff changeset	1347 } else {
302 3b831fe32c15 More fixes for confusion between Z80_UNUSED and MODE_UNUSED Mike Pavone <pavone@retrodev.com> parents: 301 diff changeset	1348 src_op.mode = MODE_UNUSED;
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1349 translate_z80_reg(inst, &dst_op, opts);
275 1a7d0a964ad2 Implement shift instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 274 diff changeset	1350 }
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1351 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	1352 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	1353 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1354 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	1355 }
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1356 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	1357 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	1358 } 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	1359 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	1360 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1361 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	1362 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_N), SZ_B);
275 1a7d0a964ad2 Implement shift instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 274 diff changeset	1363 //TODO: Implement half-carry flag
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1364 cmp_ir(code, 0, dst_op.base, SZ_B);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1365 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	1366 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	1367 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	1368 if (inst->addr_mode != Z80_UNUSED) {
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	1369 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	1370 if (src_op.mode != MODE_UNUSED) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1371 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	1372 }
275 1a7d0a964ad2 Implement shift instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 274 diff changeset	1373 } else {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1374 z80_save_reg(inst, opts);
275 1a7d0a964ad2 Implement shift instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 274 diff changeset	1375 }
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	1376 break;
286 872a8911e0f4 Implemente RLD Mike Pavone <pavone@retrodev.com> parents: 285 diff changeset	1377 case Z80_RLD:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1378 cycles(&opts->gen, 8);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1379 mov_rr(code, opts->regs[Z80_HL], opts->gen.scratch1, SZ_W);
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	1380 call(code, opts->read_8);
286 872a8911e0f4 Implemente RLD Mike Pavone <pavone@retrodev.com> parents: 285 diff changeset	1381 //Before: (HL) = 0x12, A = 0x34
872a8911e0f4 Implemente RLD Mike Pavone <pavone@retrodev.com> parents: 285 diff changeset	1382 //After: (HL) = 0x24, A = 0x31
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1383 mov_rr(code, opts->regs[Z80_A], opts->gen.scratch2, SZ_B);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1384 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	1385 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	1386 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	1387 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	1388 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	1389 //opts->gen.scratch1 = 0x0124
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1390 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	1391 cycles(&opts->gen, 4);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1392 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	1393 //set flags
fb840e0a48cd Implement RRD and implement flags on RLD Mike Pavone <pavone@retrodev.com> parents: 286 diff changeset	1394 //TODO: Implement half-carry flag
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1395 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	1396 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	1397 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	1398 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	1399
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1400 mov_rr(code, opts->regs[Z80_HL], opts->gen.scratch2, SZ_W);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1401 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	1402 call(code, opts->write_8);
286 872a8911e0f4 Implemente RLD Mike Pavone <pavone@retrodev.com> parents: 285 diff changeset	1403 break;
287 fb840e0a48cd Implement RRD and implement flags on RLD Mike Pavone <pavone@retrodev.com> parents: 286 diff changeset	1404 case Z80_RRD:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1405 cycles(&opts->gen, 8);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1406 mov_rr(code, opts->regs[Z80_HL], opts->gen.scratch1, SZ_W);
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	1407 call(code, opts->read_8);
287 fb840e0a48cd Implement RRD and implement flags on RLD Mike Pavone <pavone@retrodev.com> parents: 286 diff changeset	1408 //Before: (HL) = 0x12, A = 0x34
fb840e0a48cd Implement RRD and implement flags on RLD Mike Pavone <pavone@retrodev.com> parents: 286 diff changeset	1409 //After: (HL) = 0x41, A = 0x32
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1410 movzx_rr(code, opts->regs[Z80_A], opts->gen.scratch2, SZ_B, SZ_W);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1411 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	1412 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	1413 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	1414 and_ir(code, 0xF0, opts->regs[Z80_A], SZ_B);
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	1415 //opts->gen.scratch1 = 0x2001
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	1416 //opts->gen.scratch2 = 0x0040
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1417 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	1418 //opts->gen.scratch1 = 0x2041
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1419 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	1420 cycles(&opts->gen, 4);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1421 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	1422 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	1423 //set flags
fb840e0a48cd Implement RRD and implement flags on RLD Mike Pavone <pavone@retrodev.com> parents: 286 diff changeset	1424 //TODO: Implement half-carry flag
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1425 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	1426 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	1427 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	1428 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	1429
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1430 mov_rr(code, opts->regs[Z80_HL], opts->gen.scratch2, SZ_W);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1431 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	1432 call(code, opts->write_8);
287 fb840e0a48cd Implement RRD and implement flags on RLD Mike Pavone <pavone@retrodev.com> parents: 286 diff changeset	1433 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	1434 case Z80_BIT: {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1435 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	1436 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	1437 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	1438 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	1439 src_op.base = opts->regs[z80_word_reg(inst->ea_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	1440 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	1441 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	1442 } 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	1443 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	1444 bit = inst->immed;
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1445 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	1446 }
239 a5bea9711a46 Implement BIT and DJNZ (tested). Fix register mapping for IYL. Mike Pavone <pavone@retrodev.com> parents: 238 diff changeset	1447 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	1448 //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	1449 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	1450 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1451 bt_ir(code, bit, src_op.base, size);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1452 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	1453 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	1454 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_N), SZ_B);
307 b6393b89a7e4 Complete flag behavior for Z80 BIT instruction Mike Pavone <pavone@retrodev.com> parents: 306 diff changeset	1455 if (inst->immed == 7) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1456 cmp_ir(code, 0, src_op.base, size);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1457 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	1458 } else {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1459 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	1460 }
239 a5bea9711a46 Implement BIT and DJNZ (tested). Fix register mapping for IYL. Mike Pavone <pavone@retrodev.com> parents: 238 diff changeset	1461 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	1462 }
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	1463 case Z80_SET: {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1464 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	1465 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	1466 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	1467 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	1468 src_op.base = opts->regs[z80_word_reg(inst->ea_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	1469 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	1470 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	1471 } 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	1472 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	1473 bit = inst->immed;
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1474 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	1475 }
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	1476 if (inst->reg != Z80_USE_IMMED) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1477 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	1478 }
247 682e505f5757 Implement rotation and bit set/reset instructions (untested). Mike Pavone <pavone@retrodev.com> parents: 246 diff changeset	1479 if (inst->addr_mode != Z80_REG) {
682e505f5757 Implement rotation and bit set/reset instructions (untested). Mike Pavone <pavone@retrodev.com> parents: 246 diff changeset	1480 //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	1481 cycles(&opts->gen, 1);
247 682e505f5757 Implement rotation and bit set/reset instructions (untested). Mike Pavone <pavone@retrodev.com> parents: 246 diff changeset	1482 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1483 bts_ir(code, bit, src_op.base, size);
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	1484 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	1485 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	1486 #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	1487 if (dst_op.base >= R8) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1488 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	1489 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	1490 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	1491 } 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	1492 #endif
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1493 mov_rr(code, opts->regs[inst->ea_reg], dst_op.base, SZ_B);
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	1494 #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	1495 }
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	1496 #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	1497 } else {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1498 mov_rr(code, src_op.base, dst_op.base, SZ_B);
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	1499 }
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	1500 }
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	1501 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	1502 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	1503 if (inst->reg != Z80_USE_IMMED) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1504 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	1505 }
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	1506 }
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	1507 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	1508 }
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	1509 case Z80_RES: {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1510 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	1511 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	1512 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	1513 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	1514 src_op.base = opts->regs[z80_word_reg(inst->ea_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	1515 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	1516 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	1517 } 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	1518 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	1519 bit = inst->immed;
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1520 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	1521 }
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	1522 if (inst->reg != Z80_USE_IMMED) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1523 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	1524 }
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	1525 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	1526 //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	1527 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	1528 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1529 btr_ir(code, bit, src_op.base, size);
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	1530 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	1531 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	1532 #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	1533 if (dst_op.base >= R8) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1534 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	1535 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	1536 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	1537 } 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	1538 #endif
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1539 mov_rr(code, opts->regs[inst->ea_reg], dst_op.base, SZ_B);
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	1540 #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	1541 }
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	1542 #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	1543 } else {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1544 mov_rr(code, src_op.base, dst_op.base, SZ_B);
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	1545 }
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	1546 }
247 682e505f5757 Implement rotation and bit set/reset instructions (untested). Mike Pavone <pavone@retrodev.com> parents: 246 diff changeset	1547 if (inst->addr_mode != Z80_REG) {
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	1548 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	1549 if (inst->reg != Z80_USE_IMMED) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1550 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	1551 }
247 682e505f5757 Implement rotation and bit set/reset instructions (untested). Mike Pavone <pavone@retrodev.com> parents: 246 diff changeset	1552 }
682e505f5757 Implement rotation and bit set/reset instructions (untested). Mike Pavone <pavone@retrodev.com> parents: 246 diff changeset	1553 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	1554 }
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1555 case Z80_JP: {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1556 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	1557 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	1558 num_cycles += 6;
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1559 } 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	1560 num_cycles += 4;
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1561 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1562 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	1563 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	1564 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	1565 if (!call_dst) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1566 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	1567 //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	1568 call_dst = code->cur + 256;
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1569 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1570 jmp(code, call_dst);
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1571 } else {
239 a5bea9711a46 Implement BIT and DJNZ (tested). Fix register mapping for IYL. Mike Pavone <pavone@retrodev.com> parents: 238 diff changeset	1572 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	1573 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	1574 } else {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1575 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	1576 }
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	1577 call(code, opts->native_addr);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1578 jmp_r(code, opts->gen.scratch1);
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1579 }
19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1580 break;
19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1581 }
19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1582 case Z80_JPCC: {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1583 cycles(&opts->gen, 7);//T States: 4,3
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1584 uint8_t cond = CC_Z;
19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1585 switch (inst->reg)
19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1586 {
19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1587 case Z80_CC_NZ:
19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1588 cond = CC_NZ;
19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1589 case Z80_CC_Z:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1590 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	1591 break;
19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1592 case Z80_CC_NC:
19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1593 cond = CC_NZ;
19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1594 case Z80_CC_C:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1595 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	1596 break;
238 827ebce557bf Added the rest of the conditions to JPCC, implemented CALLCC (untested) Mike Pavone <pavone@retrodev.com> parents: 236 diff changeset	1597 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	1598 cond = CC_NZ;
827ebce557bf Added the rest of the conditions to JPCC, implemented CALLCC (untested) Mike Pavone <pavone@retrodev.com> parents: 236 diff changeset	1599 case Z80_CC_PE:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1600 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	1601 break;
827ebce557bf Added the rest of the conditions to JPCC, implemented CALLCC (untested) Mike Pavone <pavone@retrodev.com> parents: 236 diff changeset	1602 case Z80_CC_P:
367 f20562f2a570 Fix P condition in Z80 core Mike Pavone <pavone@retrodev.com> parents: 366 diff changeset	1603 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	1604 case Z80_CC_M:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1605 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	1606 break;
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1607 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1608 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	1609 jcc(code, cond, code->cur+2);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1610 cycles(&opts->gen, 5);//T States: 5
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1611 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	1612 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	1613 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	1614 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	1615 //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	1616 call_dst = code->cur + 256;
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1617 }
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	1618 jmp(code, call_dst);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1619 *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	1620 break;
19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1621 }
19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1622 case Z80_JR: {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1623 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	1624 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	1625 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	1626 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	1627 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	1628 //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	1629 call_dst = code->cur + 256;
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1630 }
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	1631 jmp(code, call_dst);
236 19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1632 break;
19fb3523a9e5 Implement more Z80 instructions (untested) Mike Pavone <pavone@retrodev.com> parents: 235 diff changeset	1633 }
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	1634 case Z80_JRCC: {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1635 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	1636 uint8_t cond = CC_Z;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	1637 switch (inst->reg)
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	1638 {
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	1639 case Z80_CC_NZ:
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	1640 cond = CC_NZ;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	1641 case Z80_CC_Z:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1642 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	1643 break;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	1644 case Z80_CC_NC:
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	1645 cond = CC_NZ;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	1646 case Z80_CC_C:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1647 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	1648 break;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	1649 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1650 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	1651 jcc(code, cond, code->cur+2);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1652 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	1653 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	1654 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	1655 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	1656 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	1657 //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	1658 call_dst = code->cur + 256;
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	1659 }
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	1660 jmp(code, call_dst);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1661 *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	1662 break;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	1663 }
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	1664 case Z80_DJNZ: {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1665 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	1666 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	1667 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	1668 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	1669 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	1670 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1671 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	1672 jcc(code, CC_Z, code->cur+2);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1673 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	1674 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	1675 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	1676 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	1677 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	1678 //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	1679 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	1680 }
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	1681 jmp(code, call_dst);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1682 *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	1683 break;
a5bea9711a46 Implement BIT and DJNZ (tested). Fix register mapping for IYL. Mike Pavone <pavone@retrodev.com> parents: 238 diff changeset	1684 }
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	1685 case Z80_CALL: {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1686 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	1687 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	1688 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	1689 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	1690 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	1691 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	1692 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	1693 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	1694 //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	1695 call_dst = code->cur + 256;
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	1696 }
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	1697 jmp(code, call_dst);
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	1698 break;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	1699 }
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	1700 case Z80_CALLCC: {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1701 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	1702 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	1703 switch (inst->reg)
827ebce557bf Added the rest of the conditions to JPCC, implemented CALLCC (untested) Mike Pavone <pavone@retrodev.com> parents: 236 diff changeset	1704 {
827ebce557bf Added the rest of the conditions to JPCC, implemented CALLCC (untested) Mike Pavone <pavone@retrodev.com> parents: 236 diff changeset	1705 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	1706 cond = CC_NZ;
827ebce557bf Added the rest of the conditions to JPCC, implemented CALLCC (untested) Mike Pavone <pavone@retrodev.com> parents: 236 diff changeset	1707 case Z80_CC_Z:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1708 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	1709 break;
827ebce557bf Added the rest of the conditions to JPCC, implemented CALLCC (untested) Mike Pavone <pavone@retrodev.com> parents: 236 diff changeset	1710 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	1711 cond = CC_NZ;
827ebce557bf Added the rest of the conditions to JPCC, implemented CALLCC (untested) Mike Pavone <pavone@retrodev.com> parents: 236 diff changeset	1712 case Z80_CC_C:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1713 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	1714 break;
827ebce557bf Added the rest of the conditions to JPCC, implemented CALLCC (untested) Mike Pavone <pavone@retrodev.com> parents: 236 diff changeset	1715 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	1716 cond = CC_NZ;
827ebce557bf Added the rest of the conditions to JPCC, implemented CALLCC (untested) Mike Pavone <pavone@retrodev.com> parents: 236 diff changeset	1717 case Z80_CC_PE:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1718 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	1719 break;
827ebce557bf Added the rest of the conditions to JPCC, implemented CALLCC (untested) Mike Pavone <pavone@retrodev.com> parents: 236 diff changeset	1720 case Z80_CC_P:
367 f20562f2a570 Fix P condition in Z80 core Mike Pavone <pavone@retrodev.com> parents: 366 diff changeset	1721 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	1722 case Z80_CC_M:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1723 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	1724 break;
827ebce557bf Added the rest of the conditions to JPCC, implemented CALLCC (untested) Mike Pavone <pavone@retrodev.com> parents: 236 diff changeset	1725 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1726 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	1727 jcc(code, cond, code->cur+2);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1728 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	1729 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	1730 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	1731 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	1732 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	1733 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	1734 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	1735 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	1736 //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	1737 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	1738 }
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	1739 jmp(code, call_dst);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1740 *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	1741 break;
682 7ed1dbb48f61 Merge Michael Pavone <pavone@retrodev.com> parents: 676 559 diff changeset	1742 }
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	1743 case Z80_RET:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1744 cycles(&opts->gen, 4);//T States: 4
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1745 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	1746 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	1747 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	1748 call(code, opts->native_addr);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1749 jmp_r(code, opts->gen.scratch1);
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	1750 break;
246 ed548c77b598 Implement RETCC in Z80 core. Mike Pavone <pavone@retrodev.com> parents: 243 diff changeset	1751 case Z80_RETCC: {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1752 cycles(&opts->gen, 5);//T States: 5
246 ed548c77b598 Implement RETCC in Z80 core. Mike Pavone <pavone@retrodev.com> parents: 243 diff changeset	1753 uint8_t cond = CC_Z;
ed548c77b598 Implement RETCC in Z80 core. Mike Pavone <pavone@retrodev.com> parents: 243 diff changeset	1754 switch (inst->reg)
ed548c77b598 Implement RETCC in Z80 core. Mike Pavone <pavone@retrodev.com> parents: 243 diff changeset	1755 {
ed548c77b598 Implement RETCC in Z80 core. Mike Pavone <pavone@retrodev.com> parents: 243 diff changeset	1756 case Z80_CC_NZ:
ed548c77b598 Implement RETCC in Z80 core. Mike Pavone <pavone@retrodev.com> parents: 243 diff changeset	1757 cond = CC_NZ;
ed548c77b598 Implement RETCC in Z80 core. Mike Pavone <pavone@retrodev.com> parents: 243 diff changeset	1758 case Z80_CC_Z:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1759 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	1760 break;
ed548c77b598 Implement RETCC in Z80 core. Mike Pavone <pavone@retrodev.com> parents: 243 diff changeset	1761 case Z80_CC_NC:
ed548c77b598 Implement RETCC in Z80 core. Mike Pavone <pavone@retrodev.com> parents: 243 diff changeset	1762 cond = CC_NZ;
ed548c77b598 Implement RETCC in Z80 core. Mike Pavone <pavone@retrodev.com> parents: 243 diff changeset	1763 case Z80_CC_C:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1764 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	1765 break;
ed548c77b598 Implement RETCC in Z80 core. Mike Pavone <pavone@retrodev.com> parents: 243 diff changeset	1766 case Z80_CC_PO:
ed548c77b598 Implement RETCC in Z80 core. Mike Pavone <pavone@retrodev.com> parents: 243 diff changeset	1767 cond = CC_NZ;
ed548c77b598 Implement RETCC in Z80 core. Mike Pavone <pavone@retrodev.com> parents: 243 diff changeset	1768 case Z80_CC_PE:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1769 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	1770 break;
ed548c77b598 Implement RETCC in Z80 core. Mike Pavone <pavone@retrodev.com> parents: 243 diff changeset	1771 case Z80_CC_P:
367 f20562f2a570 Fix P condition in Z80 core Mike Pavone <pavone@retrodev.com> parents: 366 diff changeset	1772 cond = CC_NZ;
246 ed548c77b598 Implement RETCC in Z80 core. Mike Pavone <pavone@retrodev.com> parents: 243 diff changeset	1773 case Z80_CC_M:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1774 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	1775 break;
ed548c77b598 Implement RETCC in Z80 core. Mike Pavone <pavone@retrodev.com> parents: 243 diff changeset	1776 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1777 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	1778 jcc(code, cond, code->cur+2);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1779 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	1780 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	1781 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	1782 call(code, opts->native_addr);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1783 jmp_r(code, opts->gen.scratch1);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1784 *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	1785 break;
ed548c77b598 Implement RETCC in Z80 core. Mike Pavone <pavone@retrodev.com> parents: 243 diff changeset	1786 }
283 61f5d88ea01a Implement RETI and RETN (untested). Cleanup tests for "terminal" instructions. Mike Pavone <pavone@retrodev.com> parents: 282 diff changeset	1787 case Z80_RETI:
61f5d88ea01a Implement RETI and RETN (untested). Cleanup tests for "terminal" instructions. Mike Pavone <pavone@retrodev.com> parents: 282 diff changeset	1788 //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	1789 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	1790 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	1791 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	1792 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	1793 call(code, opts->native_addr);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1794 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	1795 break;
61f5d88ea01a Implement RETI and RETN (untested). Cleanup tests for "terminal" instructions. Mike Pavone <pavone@retrodev.com> parents: 282 diff changeset	1796 case Z80_RETN:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1797 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	1798 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	1799 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	1800 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	1801 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	1802 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	1803 call(code, opts->native_addr);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1804 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	1805 break;
241 2586d49ddd46 Implement EX, EXX and RST in Z80 core Mike Pavone <pavone@retrodev.com> parents: 239 diff changeset	1806 case Z80_RST: {
2586d49ddd46 Implement EX, EXX and RST in Z80 core Mike Pavone <pavone@retrodev.com> parents: 239 diff changeset	1807 //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	1808 cycles(&opts->gen, 5);//T States: 5
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1809 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	1810 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	1811 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	1812 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	1813 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	1814 if (!call_dst) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1815 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	1816 //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	1817 call_dst = code->cur + 256;
241 2586d49ddd46 Implement EX, EXX and RST in Z80 core Mike Pavone <pavone@retrodev.com> parents: 239 diff changeset	1818 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1819 jmp(code, call_dst);
241 2586d49ddd46 Implement EX, EXX and RST in Z80 core Mike Pavone <pavone@retrodev.com> parents: 239 diff changeset	1820 break;
2586d49ddd46 Implement EX, EXX and RST in Z80 core Mike Pavone <pavone@retrodev.com> parents: 239 diff changeset	1821 }
284 ed7098f717d7 Implement IN and OUT (untested) Mike Pavone <pavone@retrodev.com> parents: 283 diff changeset	1822 case Z80_IN:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1823 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	1824 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	1825 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	1826 } else {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1827 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	1828 }
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	1829 call(code, opts->read_io);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1830 translate_z80_reg(inst, &dst_op, opts);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1831 mov_rr(code, opts->gen.scratch1, dst_op.base, SZ_B);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1832 z80_save_reg(inst, opts);
284 ed7098f717d7 Implement IN and OUT (untested) Mike Pavone <pavone@retrodev.com> parents: 283 diff changeset	1833 break;
ed7098f717d7 Implement IN and OUT (untested) Mike Pavone <pavone@retrodev.com> parents: 283 diff changeset	1834 /*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	1835 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	1836 case Z80_IND:
284 ed7098f717d7 Implement IN and OUT (untested) Mike Pavone <pavone@retrodev.com> parents: 283 diff changeset	1837 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	1838 case Z80_OUT:
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1839 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	1840 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	1841 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	1842 } else {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1843 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	1844 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1845 translate_z80_reg(inst, &src_op, opts);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1846 mov_rr(code, dst_op.base, opts->gen.scratch1, SZ_B);
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	1847 call(code, opts->write_io);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1848 z80_save_reg(inst, opts);
284 ed7098f717d7 Implement IN and OUT (untested) Mike Pavone <pavone@retrodev.com> parents: 283 diff changeset	1849 break;
ed7098f717d7 Implement IN and OUT (untested) Mike Pavone <pavone@retrodev.com> parents: 283 diff changeset	1850 /*case Z80_OUTI:
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	1851 case Z80_OTIR:
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	1852 case Z80_OUTD:
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	1853 case Z80_OTDR:*/
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	1854 default: {
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	1855 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	1856 z80_disasm(inst, disbuf, address);
424 7e8e179116af Add support for loading GST format savestates Mike Pavone <pavone@retrodev.com> parents: 420 diff changeset	1857 fprintf(stderr, "unimplemented instruction: %s at %X\n", 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	1858 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	1859 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	1860 fclose(f);
213 4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	1861 exit(1);
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	1862 }
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	1863 }
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	1864 }
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	1865
627 c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses Michael Pavone <pavone@retrodev.com> parents: 626 diff changeset	1866 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	1867 {
c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses Michael Pavone <pavone@retrodev.com> parents: 626 diff changeset	1868 if (!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	1869 if (opcode == 0xCB \|\| (opcode >= 0xDD && opcode & 0xF == 0xD)) {
c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses Michael Pavone <pavone@retrodev.com> parents: 626 diff changeset	1870 fprintf(stderr, "Encountered prefix byte %X at address %X. Z80 interpeter doesn't support those yet.", opcode, context->pc);
c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses Michael Pavone <pavone@retrodev.com> parents: 626 diff changeset	1871 exit(1);
c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses Michael Pavone <pavone@retrodev.com> parents: 626 diff changeset	1872 }
c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses Michael Pavone <pavone@retrodev.com> parents: 626 diff changeset	1873 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	1874 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	1875 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	1876 z80inst inst;
c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses Michael Pavone <pavone@retrodev.com> parents: 626 diff changeset	1877 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	1878 if (after - codebuf > 1) {
c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses Michael Pavone <pavone@retrodev.com> parents: 626 diff changeset	1879 fprintf(stderr, "Encountered multi-byte Z80 instruction at %X. Z80 interpeter doesn't support those yet.", context->pc);
c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses Michael Pavone <pavone@retrodev.com> parents: 626 diff changeset	1880 exit(1);
c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses Michael Pavone <pavone@retrodev.com> parents: 626 diff changeset	1881 }
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	1882
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	1883 z80_options * opts = context->options;
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	1884 code_info *code = &opts->gen.code;
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	1885 check_alloc_code(code, ZMAX_NATIVE_SIZE);
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	1886 context->interp_code[opcode] = code->cur;
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	1887 translate_z80inst(&inst, context, 0, 1);
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	1888 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	1889 add_ir(code, after - codebuf, opts->gen.scratch1, SZ_W);
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	1890 call(code, opts->native_addr);
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	1891 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	1892 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	1893 }
c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses Michael Pavone <pavone@retrodev.com> parents: 626 diff changeset	1894 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	1895 }
c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses Michael Pavone <pavone@retrodev.com> parents: 626 diff changeset	1896
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	1897 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	1898 {
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	1899 z80_options *opts = context->options;
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	1900 code_info * code = &opts->gen.code;
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	1901 check_alloc_code(code, 32);
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	1902 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	1903 //TODO: make this play well with the breakpoint code
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	1904 mov_ir(code, address, opts->gen.scratch1, SZ_W);
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	1905 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	1906 //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	1907 //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	1908 //not quite perfect, but it will have to do for now
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	1909 cycles(&opts->gen, -3);
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	1910 check_cycles_int(&opts->gen, address);
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	1911 call(code, opts->gen.save_context);
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	1912 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	1913 push_r(code, opts->gen.context_reg);
712 382a2b5b70c0 Fix crash bug in Z80 interpreter Michael Pavone <pavone@retrodev.com> parents: 702 diff changeset	1914 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	1915 mov_rr(code, RAX, opts->gen.scratch1, SZ_PTR);
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	1916 pop_r(code, opts->gen.context_reg);
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	1917 call(code, opts->gen.load_context);
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	1918 jmp_r(code, opts->gen.scratch1);
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	1919 stub.last = code->cur;
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	1920 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	1921 }
c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses Michael Pavone <pavone@retrodev.com> parents: 626 diff changeset	1922
c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses Michael Pavone <pavone@retrodev.com> parents: 626 diff changeset	1923
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	1924 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	1925 {
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	1926 native_map_slot *map;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	1927 if (address < 0x4000) {
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	1928 address &= 0x1FFF;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	1929 map = context->static_code_map;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	1930 } else {
627 c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses Michael Pavone <pavone@retrodev.com> parents: 626 diff changeset	1931 address -= 0x4000;
c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses Michael Pavone <pavone@retrodev.com> parents: 626 diff changeset	1932 map = context->banked_code_map;
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	1933 }
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	1934 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	1935 //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	1936 return NULL;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	1937 }
313 a13329645ea3 Fix terminal instruction detection in disassembler Mike Pavone <pavone@retrodev.com> parents: 312 diff changeset	1938 //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	1939 return map->base + map->offsets[address];
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	1940 }
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	1941
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	1942 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	1943 {
627 c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses Michael Pavone <pavone@retrodev.com> parents: 626 diff changeset	1944 //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	1945 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	1946 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	1947 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1948 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	1949 }
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	1950
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	1951 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	1952 {
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	1953 uint32_t orig_address = address;
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	1954 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	1955 z80_options * opts = context->options;
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	1956 if (address < 0x4000) {
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	1957 address &= 0x1FFF;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	1958 map = context->static_code_map;
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	1959 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	1960 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	1961 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	1962 } else {
c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses Michael Pavone <pavone@retrodev.com> parents: 626 diff changeset	1963 //HERE
c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses Michael Pavone <pavone@retrodev.com> parents: 626 diff changeset	1964 address -= 0x4000;
c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses Michael Pavone <pavone@retrodev.com> parents: 626 diff changeset	1965 map = context->banked_code_map;
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	1966 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	1967 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	1968 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	1969 }
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	1970 }
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	1971 if (!map->base) {
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	1972 map->base = native_address;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	1973 }
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	1974 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	1975 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	1976 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	1977 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	1978 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	1979 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	1980 } else {
627 c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses Michael Pavone <pavone@retrodev.com> parents: 626 diff changeset	1981 address -= 0x4000;
c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses Michael Pavone <pavone@retrodev.com> parents: 626 diff changeset	1982 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	1983 }
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	1984 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	1985 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	1986 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	1987 }
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	1988 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	1989 }
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	1990 }
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	1991
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	1992 #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	1993
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	1994 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	1995 {
627 c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses Michael Pavone <pavone@retrodev.com> parents: 626 diff changeset	1996 //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	1997 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	1998 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	1999 }
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	2000 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	2001 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	2002 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	2003 }
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	2004 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	2005 --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	2006 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	2007 }
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	2008 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	2009 }
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	2010
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	2011 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	2012 {
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	2013 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	2014 if (inst_start != INVALID_INSTRUCTION_START) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2015 code_ptr dst = z80_get_native_address(context, inst_start);
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2016 code_info code = {dst, dst+16};
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2017 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	2018 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	2019 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	2020 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	2021 }
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	2022 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	2023 }
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	2024
264 8fd6652e56f8 Fix a crash bug in instruction retranslation Mike Pavone <pavone@retrodev.com> parents: 262 diff changeset	2025 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	2026 {
8fd6652e56f8 Fix a crash bug in instruction retranslation Mike Pavone <pavone@retrodev.com> parents: 262 diff changeset	2027 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	2028 if (!addr) {
8fd6652e56f8 Fix a crash bug in instruction retranslation Mike Pavone <pavone@retrodev.com> parents: 262 diff changeset	2029 translate_z80_stream(context, address);
8fd6652e56f8 Fix a crash bug in instruction retranslation Mike Pavone <pavone@retrodev.com> parents: 262 diff changeset	2030 addr = z80_get_native_address(context, address);
8fd6652e56f8 Fix a crash bug in instruction retranslation Mike Pavone <pavone@retrodev.com> parents: 262 diff changeset	2031 if (!addr) {
8fd6652e56f8 Fix a crash bug in instruction retranslation Mike Pavone <pavone@retrodev.com> parents: 262 diff changeset	2032 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	2033 }
8fd6652e56f8 Fix a crash bug in instruction retranslation Mike Pavone <pavone@retrodev.com> parents: 262 diff changeset	2034 }
8fd6652e56f8 Fix a crash bug in instruction retranslation Mike Pavone <pavone@retrodev.com> parents: 262 diff changeset	2035 return addr;
8fd6652e56f8 Fix a crash bug in instruction retranslation Mike Pavone <pavone@retrodev.com> parents: 262 diff changeset	2036 }
8fd6652e56f8 Fix a crash bug in instruction retranslation Mike Pavone <pavone@retrodev.com> parents: 262 diff changeset	2037
266 376df762ddf5 Fix some more retranslation bugs in the Z80 core Mike Pavone <pavone@retrodev.com> parents: 264 diff changeset	2038 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	2039 {
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2040 z80_options * opts = context->options;
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2041 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	2042 if (opts->gen.deferred) {
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2043 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	2044 }
376df762ddf5 Fix some more retranslation bugs in the Z80 core Mike Pavone <pavone@retrodev.com> parents: 264 diff changeset	2045 }
376df762ddf5 Fix some more retranslation bugs in the Z80 core Mike Pavone <pavone@retrodev.com> parents: 264 diff changeset	2046
559 6b248602ab84 blastem builds and almost works on OS X now Mike Pavone <pavone@retrodev.com> parents: 506 diff changeset	2047 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	2048 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	2049 {
266 376df762ddf5 Fix some more retranslation bugs in the Z80 core Mike Pavone <pavone@retrodev.com> parents: 264 diff changeset	2050 char disbuf[80];
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2051 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	2052 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	2053 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	2054 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	2055 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	2056 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	2057 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	2058 #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	2059 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	2060 if (instbuf.op == Z80_NOP) {
376df762ddf5 Fix some more retranslation bugs in the Z80 core Mike Pavone <pavone@retrodev.com> parents: 264 diff changeset	2061 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	2062 } else {
376df762ddf5 Fix some more retranslation bugs in the Z80 core Mike Pavone <pavone@retrodev.com> parents: 264 diff changeset	2063 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	2064 }
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	2065 #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	2066 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	2067 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	2068 code_ptr start = code->cur;
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2069 deferred_addr * orig_deferred = opts->gen.deferred;
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2070 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	2071 /*
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	2072 if ((native_end - dst) <= orig_size) {
264 8fd6652e56f8 Fix a crash bug in instruction retranslation Mike Pavone <pavone@retrodev.com> parents: 262 diff changeset	2073 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	2074 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	2075 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	2076 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	2077 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	2078 while (native_end < orig_start + orig_size) {
8fd6652e56f8 Fix a crash bug in instruction retranslation Mike Pavone <pavone@retrodev.com> parents: 262 diff changeset	2079 *(native_end++) = 0x90; //NOP
8fd6652e56f8 Fix a crash bug in instruction retranslation Mike Pavone <pavone@retrodev.com> parents: 262 diff changeset	2080 }
8fd6652e56f8 Fix a crash bug in instruction retranslation Mike Pavone <pavone@retrodev.com> parents: 262 diff changeset	2081 } else {
8fd6652e56f8 Fix a crash bug in instruction retranslation Mike Pavone <pavone@retrodev.com> parents: 262 diff changeset	2082 jmp(native_end, native_next);
8fd6652e56f8 Fix a crash bug in instruction retranslation Mike Pavone <pavone@retrodev.com> parents: 262 diff changeset	2083 }
266 376df762ddf5 Fix some more retranslation bugs in the Z80 core Mike Pavone <pavone@retrodev.com> parents: 264 diff changeset	2084 z80_handle_deferred(context);
264 8fd6652e56f8 Fix a crash bug in instruction retranslation Mike Pavone <pavone@retrodev.com> parents: 262 diff changeset	2085 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	2086 }
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2087 }*/
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2088 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	2089 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	2090 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	2091 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	2092 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	2093 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	2094 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	2095 }
266 376df762ddf5 Fix some more retranslation bugs in the Z80 core Mike Pavone <pavone@retrodev.com> parents: 264 diff changeset	2096 z80_handle_deferred(context);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2097 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	2098 } else {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2099 code_info tmp_code = *code;
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2100 code->cur = orig_start;
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2101 code->last = orig_start + ZMAX_NATIVE_SIZE;
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2102 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	2103 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	2104 *code = tmp_code;
283 61f5d88ea01a Implement RETI and RETN (untested). Cleanup tests for "terminal" instructions. Mike Pavone <pavone@retrodev.com> parents: 282 diff changeset	2105 if (!z80_is_terminal(&instbuf)) {
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2106
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	2107 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	2108 }
266 376df762ddf5 Fix some more retranslation bugs in the Z80 core Mike Pavone <pavone@retrodev.com> parents: 264 diff changeset	2109 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	2110 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	2111 }
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2112 }
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2113
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2114 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	2115 {
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2116 char disbuf[80];
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2117 if (z80_get_native_address(context, address)) {
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2118 return;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2119 }
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2120 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	2121 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	2122
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	2123 do
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2124 {
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2125 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	2126 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	2127 do {
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2128 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	2129 if (existing) {
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2130 jmp(&opts->gen.code, existing);
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2131 break;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2132 }
653 a18e3923481e Remove some of the hard coded assumptions about the memory map from the CPU cores Michael Pavone <pavone@retrodev.com> parents: 652 diff changeset	2133 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	2134 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	2135 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	2136 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	2137 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	2138 break;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2139 }
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	2140 //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	2141 check_code_prologue(&opts->gen.code);
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2142 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	2143 #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	2144 z80_disasm(&inst, disbuf, address);
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2145 if (inst.op == Z80_NOP) {
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2146 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	2147 } else {
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2148 printf("%X\t%s\n", address, disbuf);
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2149 }
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	2150 #endif
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2151 code_ptr start = opts->gen.code.cur;
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2152 translate_z80inst(&inst, context, address, 0);
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2153 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	2154 address += next-encoded;
255 572b935dd030 Properly handle wrapping around to 0 in translate_z80_stream Mike Pavone <pavone@retrodev.com> parents: 254 diff changeset	2155 address &= 0xFFFF;
283 61f5d88ea01a Implement RETI and RETN (untested). Cleanup tests for "terminal" instructions. Mike Pavone <pavone@retrodev.com> parents: 282 diff changeset	2156 } while (!z80_is_terminal(&inst));
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2157 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	2158 if (opts->gen.deferred) {
966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2159 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	2160 dprintf("defferred address: %X\n", address);
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2161 }
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	2162 } 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	2163 }
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag. Mike Pavone <pavone@retrodev.com> parents: diff changeset	2164
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	2165 void init_z80_opts(z80_options * options, memmap_chunk const * chunks, uint32_t num_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	2166 {
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2167 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	2168
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	2169 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	2170 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	2171 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	2172 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	2173 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	2174 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	2175 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	2176 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	2177 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	2178 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	2179
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2180 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	2181 #ifdef X86_64
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2182 options->regs[Z80_B] = BH;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2183 options->regs[Z80_C] = RBX;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2184 options->regs[Z80_D] = CH;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2185 options->regs[Z80_E] = RCX;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2186 options->regs[Z80_H] = AH;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2187 options->regs[Z80_L] = RAX;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2188 options->regs[Z80_IXH] = DH;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2189 options->regs[Z80_IXL] = RDX;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2190 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	2191 options->regs[Z80_IYL] = R8;
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2192 options->regs[Z80_I] = -1;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2193 options->regs[Z80_R] = -1;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2194 options->regs[Z80_A] = R10;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2195 options->regs[Z80_BC] = RBX;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2196 options->regs[Z80_DE] = RCX;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2197 options->regs[Z80_HL] = RAX;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2198 options->regs[Z80_SP] = R9;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2199 options->regs[Z80_AF] = -1;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2200 options->regs[Z80_IX] = RDX;
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2201 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	2202
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	2203 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	2204 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	2205 #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	2206 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	2207 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	2208 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	2209
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	2210 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	2211 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	2212 #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	2213
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2214 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	2215 options->gen.cycles = RBP;
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2216 options->gen.limit = RDI;
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2217
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2218 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	2219 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	2220 options->gen.deferred = NULL;
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2221 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	2222 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	2223 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	2224
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2225 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	2226 init_code_info(code);
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2227
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2228 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	2229 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	2230 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	2231
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2232 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	2233 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	2234 {
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2235 int reg;
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2236 uint8_t size;
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2237 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	2238 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	2239 size = SZ_W;
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2240 } else {
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2241 reg = i;
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2242 size = SZ_B;
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2243 }
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2244 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	2245 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	2246 }
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	2247 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	2248 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	2249 }
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2250 }
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2251 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	2252 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	2253 }
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2254 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	2255 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	2256 retn(code);
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2257
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2258 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	2259 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	2260 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	2261 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	2262 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	2263 {
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2264 int reg;
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2265 uint8_t size;
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2266 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	2267 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	2268 size = SZ_W;
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2269 } else {
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2270 reg = i;
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2271 size = SZ_B;
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2272 }
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2273 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	2274 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	2275 }
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	2276 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	2277 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	2278 }
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2279 }
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2280 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	2281 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	2282 }
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2283 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	2284 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	2285 retn(code);
5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	2286
5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	2287 options->native_addr = code->cur;
5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	2288 call(code, options->gen.save_context);
5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	2289 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	2290 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	2291 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	2292 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	2293 pop_r(code, options->gen.context_reg);
5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	2294 call(code, options->gen.load_context);
5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	2295 retn(code);
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2296
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2297 options->gen.handle_cycle_limit = code->cur;
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2298 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	2299 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	2300 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	2301 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	2302 call(code, options->save_context_scratch);
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2303 pop_r(code, RAX); //return address in read/write func
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2304 pop_r(code, RBX); //return address in translated code
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2305 sub_ir(code, 5, RAX, SZ_PTR); //adjust return address to point to the call that got us here
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2306 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	2307 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	2308 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	2309 *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	2310 //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	2311 retn(code);
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2312
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	2313 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	2314
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	2315 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	2316 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	2317
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2318 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	2319 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	2320 code_ptr skip_int = code->cur+1;
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2321 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	2322 //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	2323 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	2324 //disable interrupts
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2325 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	2326 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	2327 cycles(&options->gen, 7);
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2328 //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	2329 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	2330 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	2331 //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	2332 //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	2333 //for a synchronization
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2334 check_cycles(&options->gen);
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2335 cycles(&options->gen, 3);
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2336 //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	2337 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	2338 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	2339 //restore word to write
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2340 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	2341 //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	2342 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	2343 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	2344 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	2345 check_cycles(&options->gen);
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2346 cycles(&options->gen, 3);
ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2347 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	2348 //dispose of return address as we'll be jumping somewhere else
591 966b46c68942 Get Z80 core back into compileable state Michael Pavone <pavone@retrodev.com> parents: 590 diff changeset	2349 pop_r(code, options->gen.scratch2);
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2350 //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	2351 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	2352 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	2353 mov_rrind(code, options->gen.scratch1, 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	2354 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	2355 //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	2356 retn(code);
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	2357 *skip_int = code->cur - (skip_int+1);
5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	2358 cmp_rdispr(code, options->gen.context_reg, offsetof(z80_context, sync_cycle), options->gen.cycles, SZ_D);
5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	2359 code_ptr skip_sync = code->cur + 1;
5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	2360 jcc(code, CC_B, skip_sync);
702 144df1a6d3b9 Save PC to context struct when syncing Z80 at instruction start. This fixes saving savestates and probably the Z80 debugger as well Michael Pavone <pavone@retrodev.com> parents: 701 diff changeset	2361 //save PC
144df1a6d3b9 Save PC to context struct when syncing Z80 at instruction start. This fixes saving savestates and probably the Z80 debugger as well Michael Pavone <pavone@retrodev.com> parents: 701 diff changeset	2362 mov_rrdisp(code, options->gen.scratch1, options->gen.context_reg, offsetof(z80_context, pc), SZ_D);
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	2363 options->do_sync = code->cur;
5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	2364 call(code, options->gen.save_context);
5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	2365 pop_rind(code, options->gen.context_reg);
5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	2366 //restore callee saved registers
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	2367 restore_callee_save_regs(code);
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	2368 //return to caller of z80_run
5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	2369 *skip_sync = code->cur - (skip_sync+1);
5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	2370 retn(code);
5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	2371
5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	2372 options->read_io = code->cur;
5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	2373 check_cycles(&options->gen);
5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	2374 cycles(&options->gen, 4);
5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	2375 //Genesis has no IO hardware and always returns FF
5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	2376 //eventually this should use a second memory map array
5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	2377 mov_ir(code, 0xFF, options->gen.scratch1, SZ_B);
5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	2378 retn(code);
5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	2379
5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	2380 options->write_io = code->cur;
5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	2381 check_cycles(&options->gen);
5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	2382 cycles(&options->gen, 4);
5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	2383 retn(code);
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2384
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	2385 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	2386 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	2387 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	2388 //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	2389 //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	2390 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	2391 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	2392 mov_rr(code, options->gen.scratch1, options->gen.scratch2, SZ_B);
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	2393 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	2394 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	2395 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	2396 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	2397 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	2398 shl_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	2399 mov_rr(code, options->gen.scratch2, options->gen.scratch1, SZ_B);
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	2400 retn(code);
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2401
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	2402 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	2403 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	2404 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	2405 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	2406 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	2407 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	2408 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	2409 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	2410 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	2411 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	2412 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	2413 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	2414 //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	2415 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	2416 retn(code);
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2417
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	2418 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	2419 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	2420 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	2421 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	2422 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	2423 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	2424 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	2425 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	2426 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	2427 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	2428 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	2429 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	2430 //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	2431 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	2432 retn(code);
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	2433
5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	2434 options->retrans_stub = code->cur;
5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	2435 //pop return address
5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	2436 pop_r(code, options->gen.scratch2);
5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	2437 call(code, options->gen.save_context);
5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	2438 //adjust pointer before move and call instructions that got us here
730 38e9bee03749 More bugfixes for the 32-bit build of the Z80 core Michael Pavone <pavone@retrodev.com> parents: 729 diff changeset	2439 sub_ir(code, options->gen.scratch1 >= R8 ? 11 : 10, options->gen.scratch2, SZ_PTR);
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	2440 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	2441 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	2442 pop_r(code, options->gen.context_reg);
5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	2443 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	2444 call(code, options->gen.load_context);
5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	2445 jmp_r(code, options->gen.scratch1);
5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	2446
5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	2447 options->run = (z80_run_fun)code->cur;
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	2448 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	2449 #ifdef X86_64
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	2450 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	2451 #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	2452 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	2453 #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	2454 call(code, options->load_context_scratch);
593 5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	2455 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	2456 code_ptr no_extra = code->cur+1;
5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	2457 jcc(code, CC_Z, no_extra);
5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	2458 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	2459 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	2460 *no_extra = code->cur - (no_extra + 1);
5ef3fe516da9 Z80 core is sort of working again Michael Pavone <pavone@retrodev.com> parents: 592 diff changeset	2461 jmp_rind(code, options->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	2462 }
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2463
590 ea80559c67cb WIP effort to update z80 core for code gen changes Michael Pavone <pavone@retrodev.com> parents: 506 diff changeset	2464 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	2465 {
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2466 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	2467 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	2468 context->static_code_map->base = NULL;
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2469 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	2470 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	2471 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	2472 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	2473 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	2474 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	2475 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	2476 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	2477 }
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	2478
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	2479 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	2480 {
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	2481 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	2482 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	2483 } 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	2484 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	2485 //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	2486 //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	2487 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	2488 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	2489 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	2490 }
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	2491 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	2492 {
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	2493 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	2494 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	2495 }
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	2496 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	2497 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	2498 } 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	2499 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	2500 }
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	2501 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	2502 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	2503 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	2504 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	2505 }
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	2506 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	2507 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	2508 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	2509 }
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	2510 }
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	2511 }
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	2512 }
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	2513
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	2514 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	2515 {
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	2516 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	2517 context->reset = 1;
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2518 }
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2519
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	2520 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	2521 {
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	2522 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	2523 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	2524 //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	2525 context->im = 0;
200ee73c7210 Remove/comment verbose logging added for tracking down sync bug Michael Pavone <pavone@retrodev.com> parents: 697 diff changeset	2526 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	2527 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	2528 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	2529 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	2530 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	2531 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	2532 //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	2533 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	2534 }
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	2535 }
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	2536 }
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	2537
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	2538 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	2539 {
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	2540 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	2541 context->busreq = 1;
701 200ee73c7210 Remove/comment verbose logging added for tracking down sync bug Michael Pavone <pavone@retrodev.com> parents: 697 diff changeset	2542 }
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	2543
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	2544 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	2545 {
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	2546 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	2547 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	2548 context->busack = 0;
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2549 }
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2550
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	2551 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	2552 {
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	2553 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	2554 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	2555 }
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	2556
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	2557 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	2558 {
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	2559 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	2560 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	2561 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	2562 } 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	2563 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	2564 }
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	2565 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	2566 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	2567 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	2568 } 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	2569 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	2570 }
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	2571 }
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	2572 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	2573 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	2574 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	2575 } 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	2576 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	2577 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	2578 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	2579 } 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	2580 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	2581 }
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	2582 }
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c Michael Pavone <pavone@retrodev.com> parents: 667 diff changeset	2583 }
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2584 }
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2585
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2586 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	2587 {
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2588 code_info code = {dst, dst+16};
659 759c38bf97f8 Minor Z80 core cleanup Michael Pavone <pavone@retrodev.com> parents: 657 diff changeset	2589 mov_ir(&code, address, context->options->gen.scratch1, SZ_W);
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2590 call(&code, context->bp_stub);
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2591 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	2592 }
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	2593
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	2594 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	2595 {
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2596 z80_options * opts = context->options;
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2597 code_info *code = &opts->gen.code;
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2598 check_code_prologue(code);
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2599 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	2600
682 7ed1dbb48f61 Merge Michael Pavone <pavone@retrodev.com> parents: 676 559 diff changeset	2601 //Calculate length of prologue
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2602 check_cycles_int(&opts->gen, 0);
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2603 int check_int_size = code->cur-context->bp_stub;
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2604 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	2605
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	2606 //Calculate length of patch
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2607 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	2608
682 7ed1dbb48f61 Merge Michael Pavone <pavone@retrodev.com> parents: 676 559 diff changeset	2609 //Save context and call breakpoint handler
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2610 call(code, opts->gen.save_context);
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2611 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	2612 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	2613 mov_rr(code, RAX, opts->gen.context_reg, SZ_PTR);
682 7ed1dbb48f61 Merge Michael Pavone <pavone@retrodev.com> parents: 676 559 diff changeset	2614 //Restore context
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2615 call(code, opts->gen.load_context);
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2616 pop_r(code, opts->gen.scratch1);
682 7ed1dbb48f61 Merge Michael Pavone <pavone@retrodev.com> parents: 676 559 diff changeset	2617 //do prologue stuff
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2618 cmp_rr(code, opts->gen.cycles, opts->gen.limit, SZ_D);
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2619 uint8_t * jmp_off = code->cur+1;
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2620 jcc(code, CC_NC, code->cur + 7);
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2621 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	2622 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	2623 push_r(code, opts->gen.scratch1);
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2624 jmp(code, opts->gen.handle_cycle_limit_int);
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2625 *jmp_off = code->cur - (jmp_off+1);
682 7ed1dbb48f61 Merge Michael Pavone <pavone@retrodev.com> parents: 676 559 diff changeset	2626 //jump back to body of translated instruction
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2627 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	2628 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	2629 jmp_r(code, opts->gen.scratch1);
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2630 }
d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2631
366 836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 363 diff changeset	2632 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	2633 {
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	2634 context->bp_handler = bp_handler;
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	2635 uint8_t bit = 1 << (address % sizeof(uint8_t));
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	2636 if (!(bit & context->breakpoint_flags[address / sizeof(uint8_t)])) {
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	2637 context->breakpoint_flags[address / sizeof(uint8_t)] \|= bit;
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	2638 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	2639 zcreate_stub(context);
366 836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 363 diff changeset	2640 }
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	2641 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	2642 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	2643 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	2644 }
366 836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 363 diff changeset	2645 }
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 363 diff changeset	2646 }
235 d9bf8e61c33c Get Z80 core working for simple programs Mike Pavone <pavone@retrodev.com> parents: 213 diff changeset	2647
366 836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 363 diff changeset	2648 void zremove_breakpoint(z80_context * context, uint16_t address)
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 363 diff changeset	2649 {
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	2650 context->breakpoint_flags[address / sizeof(uint8_t)] &= ~(1 << (address % sizeof(uint8_t)));
366 836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 363 diff changeset	2651 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	2652 if (native) {
652 f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2653 z80_options * opts = context->options;
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2654 code_info tmp_code = opts->gen.code;
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2655 opts->gen.code.cur = native;
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2656 opts->gen.code.last = native + 16;
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2657 check_cycles_int(&opts->gen, address);
f822d9216968 Merge Michael Pavone <pavone@retrodev.com> parents: 620 651 diff changeset	2658 opts->gen.code = tmp_code;
682 7ed1dbb48f61 Merge Michael Pavone <pavone@retrodev.com> parents: 676 559 diff changeset	2659 }
366 836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 363 diff changeset	2660 }
836585d389b8 Partial implementation of Z80 debugger Mike Pavone <pavone@retrodev.com> parents: 363 diff changeset	2661

Mercurial > repos > blastem

annotate z80_to_x86.c @ 730:38e9bee03749