annotate z80_to_x86.c @ 1046:a27fdf43f1a7

Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
author Michael Pavone <pavone@retrodev.com>
date Tue, 26 Jul 2016 23:12:23 -0700
parents e0489abfdab0
children 6b07af1515b5
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1 /*
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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.
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3 This file is part of BlastEm.
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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.
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5 */
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6 #include "z80inst.h"
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7 #include "z80_to_x86.h"
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8 #include "gen_x86.h"
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9 #include "mem.h"
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10 #include "util.h"
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11 #include <stdio.h>
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12 #include <stdlib.h>
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13 #include <stddef.h>
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14 #include <string.h>
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16 #define MODE_UNUSED (MODE_IMMED-1)
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17 #define MAX_MCYCLE_LENGTH 6
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18
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19 //#define DO_DEBUG_PRINT
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20
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21 #ifdef DO_DEBUG_PRINT
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22 #define dprintf printf
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23 #else
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24 #define dprintf
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25 #endif
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26
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27 uint32_t zbreakpoint_patch(z80_context * context, uint16_t address, code_ptr dst);
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28 void z80_handle_deferred(z80_context * context);
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29
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30 uint8_t z80_size(z80inst * inst)
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31 {
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32 uint8_t reg = (inst->reg & 0x1F);
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33 if (reg != Z80_UNUSED && reg != Z80_USE_IMMED) {
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34 return reg < Z80_BC ? SZ_B : SZ_W;
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35 }
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36 //TODO: Handle any necessary special cases
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37 return SZ_B;
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38 }
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39
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40 uint8_t zf_off(uint8_t flag)
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41 {
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42 return offsetof(z80_context, flags) + flag;
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43 }
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44
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45 uint8_t zaf_off(uint8_t flag)
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46 {
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47 return offsetof(z80_context, alt_flags) + flag;
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48 }
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49
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50 uint8_t zr_off(uint8_t reg)
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51 {
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52 if (reg > Z80_A) {
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53 reg = z80_low_reg(reg);
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54 }
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55 return offsetof(z80_context, regs) + reg;
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56 }
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57
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58 uint8_t zar_off(uint8_t reg)
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59 {
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60 if (reg > Z80_A) {
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61 reg = z80_low_reg(reg);
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62 }
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63 return offsetof(z80_context, alt_regs) + reg;
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64 }
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65
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66 void zreg_to_native(z80_options *opts, uint8_t reg, uint8_t native_reg)
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67 {
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68 if (opts->regs[reg] >= 0) {
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69 mov_rr(&opts->gen.code, opts->regs[reg], native_reg, reg > Z80_A ? SZ_W : SZ_B);
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70 } else {
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71 mov_rdispr(&opts->gen.code, opts->gen.context_reg, zr_off(reg), native_reg, reg > Z80_A ? SZ_W : SZ_B);
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72 }
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73 }
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74
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75 void native_to_zreg(z80_options *opts, uint8_t native_reg, uint8_t reg)
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76 {
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77 if (opts->regs[reg] >= 0) {
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78 mov_rr(&opts->gen.code, native_reg, opts->regs[reg], reg > Z80_A ? SZ_W : SZ_B);
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79 } else {
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80 mov_rrdisp(&opts->gen.code, native_reg, opts->gen.context_reg, zr_off(reg), reg > Z80_A ? SZ_W : SZ_B);
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81 }
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82 }
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83
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84 void translate_z80_reg(z80inst * inst, host_ea * ea, z80_options * opts)
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85 {
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86 code_info *code = &opts->gen.code;
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87 if (inst->reg == Z80_USE_IMMED) {
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88 ea->mode = MODE_IMMED;
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89 ea->disp = inst->immed;
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90 } else if ((inst->reg & 0x1F) == Z80_UNUSED) {
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91 ea->mode = MODE_UNUSED;
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92 } else {
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93 ea->mode = MODE_REG_DIRECT;
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94 if (inst->reg == Z80_IYH && opts->regs[Z80_IYL] >= 0) {
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95 if ((inst->addr_mode & 0x1F) == Z80_REG && inst->ea_reg == Z80_IYL) {
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96 mov_rr(code, opts->regs[Z80_IY], opts->gen.scratch1, SZ_W);
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97 ror_ir(code, 8, opts->gen.scratch1, SZ_W);
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98 ea->base = opts->gen.scratch1;
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99 } else {
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100 ea->base = opts->regs[Z80_IYL];
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101 ror_ir(code, 8, opts->regs[Z80_IY], SZ_W);
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102 }
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103 } else if(opts->regs[inst->reg] >= 0) {
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104 ea->base = opts->regs[inst->reg];
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105 if (ea->base >= AH && ea->base <= BH) {
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106 if ((inst->addr_mode & 0x1F) == Z80_REG) {
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107 uint8_t other_reg = opts->regs[inst->ea_reg];
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108 if (other_reg >= R8 || (other_reg >= RSP && other_reg <= RDI)) {
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109 //we can't mix an *H reg with a register that requires the REX prefix
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110 ea->base = opts->regs[z80_low_reg(inst->reg)];
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111 ror_ir(code, 8, ea->base, SZ_W);
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112 }
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113 } else if((inst->addr_mode & 0x1F) != Z80_UNUSED && (inst->addr_mode & 0x1F) != Z80_IMMED) {
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114 //temp regs require REX prefix too
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115 ea->base = opts->regs[z80_low_reg(inst->reg)];
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116 ror_ir(code, 8, ea->base, SZ_W);
267
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Mike Pavone <pavone@retrodev.com>
parents: 266
diff changeset
117 }
1788e3f29c28 Don't mix *H regs with the REX prefix
Mike Pavone <pavone@retrodev.com>
parents: 266
diff changeset
118 }
213
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
119 } else {
262
d97c9eca49f4 Implement ld to and from the I and R registers
Mike Pavone <pavone@retrodev.com>
parents: 261
diff changeset
120 ea->mode = MODE_REG_DISPLACE8;
590
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
121 ea->base = opts->gen.context_reg;
731
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
122 ea->disp = zr_off(inst->reg);
213
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
123 }
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
124 }
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
125 }
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
126
590
ea80559c67cb WIP effort to update z80 core for code gen changes
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parents: 506
diff changeset
127 void z80_save_reg(z80inst * inst, z80_options * opts)
213
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
128 {
590
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
129 code_info *code = &opts->gen.code;
716
b707a8ddc202 Make sure z80_save_reg does nothing when there is no register in the reg field of the instruction. This fixes a bug that corrupted SP in the MDEM 2011 demo
Michael Pavone <pavone@retrodev.com>
parents: 715
diff changeset
130 if (inst->reg == Z80_USE_IMMED || inst->reg == Z80_UNUSED) {
b707a8ddc202 Make sure z80_save_reg does nothing when there is no register in the reg field of the instruction. This fixes a bug that corrupted SP in the MDEM 2011 demo
Michael Pavone <pavone@retrodev.com>
parents: 715
diff changeset
131 return;
b707a8ddc202 Make sure z80_save_reg does nothing when there is no register in the reg field of the instruction. This fixes a bug that corrupted SP in the MDEM 2011 demo
Michael Pavone <pavone@retrodev.com>
parents: 715
diff changeset
132 }
731
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
133 if (inst->reg == Z80_IYH && opts->regs[Z80_IYL] >= 0) {
312
cf7ecda060c7 Properly handle instructions that use boty IYH and IYL
Mike Pavone <pavone@retrodev.com>
parents: 311
diff changeset
134 if ((inst->addr_mode & 0x1F) == Z80_REG && inst->ea_reg == Z80_IYL) {
590
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
135 ror_ir(code, 8, opts->regs[Z80_IY], SZ_W);
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
136 mov_rr(code, opts->gen.scratch1, opts->regs[Z80_IYL], SZ_B);
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
137 ror_ir(code, 8, opts->regs[Z80_IY], SZ_W);
312
cf7ecda060c7 Properly handle instructions that use boty IYH and IYL
Mike Pavone <pavone@retrodev.com>
parents: 311
diff changeset
138 } else {
590
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
139 ror_ir(code, 8, opts->regs[Z80_IY], SZ_W);
312
cf7ecda060c7 Properly handle instructions that use boty IYH and IYL
Mike Pavone <pavone@retrodev.com>
parents: 311
diff changeset
140 }
268
6c2d7e003a55 Sync Z80 on writes to busreq/reset ports. NULL out extra_pc on z80 reset
Mike Pavone <pavone@retrodev.com>
parents: 267
diff changeset
141 } else if (opts->regs[inst->reg] >= AH && opts->regs[inst->reg] <= BH) {
6c2d7e003a55 Sync Z80 on writes to busreq/reset ports. NULL out extra_pc on z80 reset
Mike Pavone <pavone@retrodev.com>
parents: 267
diff changeset
142 if ((inst->addr_mode & 0x1F) == Z80_REG) {
6c2d7e003a55 Sync Z80 on writes to busreq/reset ports. NULL out extra_pc on z80 reset
Mike Pavone <pavone@retrodev.com>
parents: 267
diff changeset
143 uint8_t other_reg = opts->regs[inst->ea_reg];
269
3c054d977175 Fix IX/IY displace modes. Fix check for registers requiring REX.
Mike Pavone <pavone@retrodev.com>
parents: 268
diff changeset
144 if (other_reg >= R8 || (other_reg >= RSP && other_reg <= RDI)) {
268
6c2d7e003a55 Sync Z80 on writes to busreq/reset ports. NULL out extra_pc on z80 reset
Mike Pavone <pavone@retrodev.com>
parents: 267
diff changeset
145 //we can't mix an *H reg with a register that requires the REX prefix
590
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
146 ror_ir(code, 8, opts->regs[z80_low_reg(inst->reg)], SZ_W);
268
6c2d7e003a55 Sync Z80 on writes to busreq/reset ports. NULL out extra_pc on z80 reset
Mike Pavone <pavone@retrodev.com>
parents: 267
diff changeset
147 }
6c2d7e003a55 Sync Z80 on writes to busreq/reset ports. NULL out extra_pc on z80 reset
Mike Pavone <pavone@retrodev.com>
parents: 267
diff changeset
148 } else if((inst->addr_mode & 0x1F) != Z80_UNUSED && (inst->addr_mode & 0x1F) != Z80_IMMED) {
6c2d7e003a55 Sync Z80 on writes to busreq/reset ports. NULL out extra_pc on z80 reset
Mike Pavone <pavone@retrodev.com>
parents: 267
diff changeset
149 //temp regs require REX prefix too
590
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
150 ror_ir(code, 8, opts->regs[z80_low_reg(inst->reg)], SZ_W);
267
1788e3f29c28 Don't mix *H regs with the REX prefix
Mike Pavone <pavone@retrodev.com>
parents: 266
diff changeset
151 }
213
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
152 }
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
153 }
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
154
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
155 void translate_z80_ea(z80inst * inst, host_ea * ea, z80_options * opts, uint8_t read, uint8_t modify)
213
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
156 {
590
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
157 code_info *code = &opts->gen.code;
730
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
158 uint8_t size, areg;
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
159 int8_t reg;
235
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
160 ea->mode = MODE_REG_DIRECT;
590
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
161 areg = read ? opts->gen.scratch1 : opts->gen.scratch2;
213
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
162 switch(inst->addr_mode & 0x1F)
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
163 {
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
164 case Z80_REG:
731
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
165 if (inst->ea_reg == Z80_IYH && opts->regs[Z80_IYL] >= 0) {
312
cf7ecda060c7 Properly handle instructions that use boty IYH and IYL
Mike Pavone <pavone@retrodev.com>
parents: 311
diff changeset
166 if (inst->reg == Z80_IYL) {
590
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
167 mov_rr(code, opts->regs[Z80_IY], opts->gen.scratch1, SZ_W);
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
168 ror_ir(code, 8, opts->gen.scratch1, SZ_W);
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
169 ea->base = opts->gen.scratch1;
312
cf7ecda060c7 Properly handle instructions that use boty IYH and IYL
Mike Pavone <pavone@retrodev.com>
parents: 311
diff changeset
170 } else {
cf7ecda060c7 Properly handle instructions that use boty IYH and IYL
Mike Pavone <pavone@retrodev.com>
parents: 311
diff changeset
171 ea->base = opts->regs[Z80_IYL];
590
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
172 ror_ir(code, 8, opts->regs[Z80_IY], SZ_W);
312
cf7ecda060c7 Properly handle instructions that use boty IYH and IYL
Mike Pavone <pavone@retrodev.com>
parents: 311
diff changeset
173 }
651
103d5cabbe14 Fix flags for rra, rrca, rla and rlca. Fix timing for rr, rrc, rl and rlc when using IX or IY. Fix access to I and R registers (R still needs to be made 7-bit though). Fix flags for ld a, i. The fix for access to I fixes PCM playback in Titan Overdrive and music playback in Crackdown.
Michael Pavone <pavone@retrodev.com>
parents: 644
diff changeset
174 } else if(opts->regs[inst->ea_reg] >= 0) {
213
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
175 ea->base = opts->regs[inst->ea_reg];
267
1788e3f29c28 Don't mix *H regs with the REX prefix
Mike Pavone <pavone@retrodev.com>
parents: 266
diff changeset
176 if (ea->base >= AH && ea->base <= BH && inst->reg != Z80_UNUSED && inst->reg != Z80_USE_IMMED) {
1788e3f29c28 Don't mix *H regs with the REX prefix
Mike Pavone <pavone@retrodev.com>
parents: 266
diff changeset
177 uint8_t other_reg = opts->regs[inst->reg];
666
b68039895627 In theory, the Z80 core should work on 32-bit builds now; however, I suspect there is some code that cannot deal with most of the Z80 registers not having a native register so more work will be needed
Michael Pavone <pavone@retrodev.com>
parents: 665
diff changeset
178 #ifdef X86_64
269
3c054d977175 Fix IX/IY displace modes. Fix check for registers requiring REX.
Mike Pavone <pavone@retrodev.com>
parents: 268
diff changeset
179 if (other_reg >= R8 || (other_reg >= RSP && other_reg <= RDI)) {
267
1788e3f29c28 Don't mix *H regs with the REX prefix
Mike Pavone <pavone@retrodev.com>
parents: 266
diff changeset
180 //we can't mix an *H reg with a register that requires the REX prefix
1788e3f29c28 Don't mix *H regs with the REX prefix
Mike Pavone <pavone@retrodev.com>
parents: 266
diff changeset
181 ea->base = opts->regs[z80_low_reg(inst->ea_reg)];
590
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
182 ror_ir(code, 8, ea->base, SZ_W);
267
1788e3f29c28 Don't mix *H regs with the REX prefix
Mike Pavone <pavone@retrodev.com>
parents: 266
diff changeset
183 }
666
b68039895627 In theory, the Z80 core should work on 32-bit builds now; however, I suspect there is some code that cannot deal with most of the Z80 registers not having a native register so more work will be needed
Michael Pavone <pavone@retrodev.com>
parents: 665
diff changeset
184 #endif
267
1788e3f29c28 Don't mix *H regs with the REX prefix
Mike Pavone <pavone@retrodev.com>
parents: 266
diff changeset
185 }
651
103d5cabbe14 Fix flags for rra, rrca, rla and rlca. Fix timing for rr, rrc, rl and rlc when using IX or IY. Fix access to I and R registers (R still needs to be made 7-bit though). Fix flags for ld a, i. The fix for access to I fixes PCM playback in Titan Overdrive and music playback in Crackdown.
Michael Pavone <pavone@retrodev.com>
parents: 644
diff changeset
186 } else {
103d5cabbe14 Fix flags for rra, rrca, rla and rlca. Fix timing for rr, rrc, rl and rlc when using IX or IY. Fix access to I and R registers (R still needs to be made 7-bit though). Fix flags for ld a, i. The fix for access to I fixes PCM playback in Titan Overdrive and music playback in Crackdown.
Michael Pavone <pavone@retrodev.com>
parents: 644
diff changeset
187 ea->mode = MODE_REG_DISPLACE8;
659
759c38bf97f8 Minor Z80 core cleanup
Michael Pavone <pavone@retrodev.com>
parents: 657
diff changeset
188 ea->base = opts->gen.context_reg;
731
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
189 ea->disp = zr_off(inst->ea_reg);
213
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
190 }
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
191 break;
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
192 case Z80_REG_INDIRECT:
731
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
193 zreg_to_native(opts, inst->ea_reg, areg);
213
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
194 size = z80_size(inst);
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
195 if (read) {
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
196 if (modify) {
590
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
197 //push_r(code, opts->gen.scratch1);
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
198 mov_rrdisp(code, opts->gen.scratch1, opts->gen.context_reg, offsetof(z80_context, scratch1), SZ_W);
213
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
199 }
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
200 if (size == SZ_B) {
590
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
201 call(code, opts->read_8);
213
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
202 } else {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
203 call(code, opts->read_16);
213
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
204 }
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
205 }
590
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
206 ea->base = opts->gen.scratch1;
213
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
207 break;
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
208 case Z80_IMMED:
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
209 ea->mode = MODE_IMMED;
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
210 ea->disp = inst->immed;
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
211 break;
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
212 case Z80_IMMED_INDIRECT:
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
213 mov_ir(code, inst->immed, areg, SZ_W);
213
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
214 size = z80_size(inst);
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
215 if (read) {
277
765e132edd71 Using push/pop inside translated code is not compatible with the current way the Z80 core returns to the caller
Mike Pavone <pavone@retrodev.com>
parents: 275
diff changeset
216 /*if (modify) {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
217 push_r(code, opts->gen.scratch1);
277
765e132edd71 Using push/pop inside translated code is not compatible with the current way the Z80 core returns to the caller
Mike Pavone <pavone@retrodev.com>
parents: 275
diff changeset
218 }*/
213
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
219 if (size == SZ_B) {
593
5ef3fe516da9 Z80 core is sort of working again
Michael Pavone <pavone@retrodev.com>
parents: 592
diff changeset
220 call(code, opts->read_8);
213
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
221 } else {
593
5ef3fe516da9 Z80 core is sort of working again
Michael Pavone <pavone@retrodev.com>
parents: 592
diff changeset
222 call(code, opts->read_16);
213
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
223 }
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
224 }
590
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
225 ea->base = opts->gen.scratch1;
213
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
226 break;
235
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
227 case Z80_IX_DISPLACE:
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
228 case Z80_IY_DISPLACE:
731
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
229 zreg_to_native(opts, (inst->addr_mode & 0x1F) == Z80_IX_DISPLACE ? Z80_IX : Z80_IY, areg);
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
230 add_ir(code, inst->ea_reg & 0x80 ? inst->ea_reg - 256 : inst->ea_reg, areg, SZ_W);
213
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
231 size = z80_size(inst);
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
232 if (read) {
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
233 if (modify) {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
234 //push_r(code, opts->gen.scratch1);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
235 mov_rrdisp(code, opts->gen.scratch1, opts->gen.context_reg, offsetof(z80_context, scratch1), SZ_W);
213
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
236 }
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
237 if (size == SZ_B) {
593
5ef3fe516da9 Z80 core is sort of working again
Michael Pavone <pavone@retrodev.com>
parents: 592
diff changeset
238 call(code, opts->read_8);
213
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
239 } else {
593
5ef3fe516da9 Z80 core is sort of working again
Michael Pavone <pavone@retrodev.com>
parents: 592
diff changeset
240 call(code, opts->read_16);
213
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
241 }
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
242 }
590
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
243 ea->base = opts->gen.scratch1;
213
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
244 break;
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
245 case Z80_UNUSED:
235
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
246 ea->mode = MODE_UNUSED;
213
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
247 break;
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
248 default:
792
724bbec47f86 Use a new fatal_error function instead of calling fprintf and exit for fatal errors. This new function more gracefully handles the case in which BlastEm was not started from a terminal or disconnected from ther terminal (Windows).
Michael Pavone <pavone@retrodev.com>
parents: 755
diff changeset
249 fatal_error("Unrecognized Z80 addressing mode %d\n", inst->addr_mode & 0x1F);
213
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
250 }
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
251 }
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
252
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
253 void z80_save_ea(code_info *code, z80inst * inst, z80_options * opts)
213
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
254 {
267
1788e3f29c28 Don't mix *H regs with the REX prefix
Mike Pavone <pavone@retrodev.com>
parents: 266
diff changeset
255 if ((inst->addr_mode & 0x1F) == Z80_REG) {
731
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
256 if (inst->ea_reg == Z80_IYH && opts->regs[Z80_IYL] >= 0) {
312
cf7ecda060c7 Properly handle instructions that use boty IYH and IYL
Mike Pavone <pavone@retrodev.com>
parents: 311
diff changeset
257 if (inst->reg == Z80_IYL) {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
258 ror_ir(code, 8, opts->regs[Z80_IY], SZ_W);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
259 mov_rr(code, opts->gen.scratch1, opts->regs[Z80_IYL], SZ_B);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
260 ror_ir(code, 8, opts->regs[Z80_IY], SZ_W);
312
cf7ecda060c7 Properly handle instructions that use boty IYH and IYL
Mike Pavone <pavone@retrodev.com>
parents: 311
diff changeset
261 } else {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
262 ror_ir(code, 8, opts->regs[Z80_IY], SZ_W);
312
cf7ecda060c7 Properly handle instructions that use boty IYH and IYL
Mike Pavone <pavone@retrodev.com>
parents: 311
diff changeset
263 }
267
1788e3f29c28 Don't mix *H regs with the REX prefix
Mike Pavone <pavone@retrodev.com>
parents: 266
diff changeset
264 } else if (inst->reg != Z80_UNUSED && inst->reg != Z80_USE_IMMED && opts->regs[inst->ea_reg] >= AH && opts->regs[inst->ea_reg] <= BH) {
1788e3f29c28 Don't mix *H regs with the REX prefix
Mike Pavone <pavone@retrodev.com>
parents: 266
diff changeset
265 uint8_t other_reg = opts->regs[inst->reg];
666
b68039895627 In theory, the Z80 core should work on 32-bit builds now; however, I suspect there is some code that cannot deal with most of the Z80 registers not having a native register so more work will be needed
Michael Pavone <pavone@retrodev.com>
parents: 665
diff changeset
266 #ifdef X86_64
269
3c054d977175 Fix IX/IY displace modes. Fix check for registers requiring REX.
Mike Pavone <pavone@retrodev.com>
parents: 268
diff changeset
267 if (other_reg >= R8 || (other_reg >= RSP && other_reg <= RDI)) {
267
1788e3f29c28 Don't mix *H regs with the REX prefix
Mike Pavone <pavone@retrodev.com>
parents: 266
diff changeset
268 //we can't mix an *H reg with a register that requires the REX prefix
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
269 ror_ir(code, 8, opts->regs[z80_low_reg(inst->ea_reg)], SZ_W);
267
1788e3f29c28 Don't mix *H regs with the REX prefix
Mike Pavone <pavone@retrodev.com>
parents: 266
diff changeset
270 }
666
b68039895627 In theory, the Z80 core should work on 32-bit builds now; however, I suspect there is some code that cannot deal with most of the Z80 registers not having a native register so more work will be needed
Michael Pavone <pavone@retrodev.com>
parents: 665
diff changeset
271 #endif
267
1788e3f29c28 Don't mix *H regs with the REX prefix
Mike Pavone <pavone@retrodev.com>
parents: 266
diff changeset
272 }
213
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
273 }
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
274 }
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
275
593
5ef3fe516da9 Z80 core is sort of working again
Michael Pavone <pavone@retrodev.com>
parents: 592
diff changeset
276 void z80_save_result(z80_options *opts, z80inst * inst)
213
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
277 {
253
3b34deba4ca0 Squashing some bugs introduced when I switched the register assignments for z80_write_byte around.
Mike Pavone <pavone@retrodev.com>
parents: 252
diff changeset
278 switch(inst->addr_mode & 0x1f)
3b34deba4ca0 Squashing some bugs introduced when I switched the register assignments for z80_write_byte around.
Mike Pavone <pavone@retrodev.com>
parents: 252
diff changeset
279 {
3b34deba4ca0 Squashing some bugs introduced when I switched the register assignments for z80_write_byte around.
Mike Pavone <pavone@retrodev.com>
parents: 252
diff changeset
280 case Z80_REG_INDIRECT:
3b34deba4ca0 Squashing some bugs introduced when I switched the register assignments for z80_write_byte around.
Mike Pavone <pavone@retrodev.com>
parents: 252
diff changeset
281 case Z80_IMMED_INDIRECT:
3b34deba4ca0 Squashing some bugs introduced when I switched the register assignments for z80_write_byte around.
Mike Pavone <pavone@retrodev.com>
parents: 252
diff changeset
282 case Z80_IX_DISPLACE:
3b34deba4ca0 Squashing some bugs introduced when I switched the register assignments for z80_write_byte around.
Mike Pavone <pavone@retrodev.com>
parents: 252
diff changeset
283 case Z80_IY_DISPLACE:
1045
e0489abfdab0 Implement half-carry for INC, DEC and NEG
Michael Pavone <pavone@retrodev.com>
parents: 1044
diff changeset
284 if (inst->op != Z80_LD) {
e0489abfdab0 Implement half-carry for INC, DEC and NEG
Michael Pavone <pavone@retrodev.com>
parents: 1044
diff changeset
285 mov_rdispr(&opts->gen.code, opts->gen.context_reg, offsetof(z80_context, scratch1), opts->gen.scratch2, SZ_W);
e0489abfdab0 Implement half-carry for INC, DEC and NEG
Michael Pavone <pavone@retrodev.com>
parents: 1044
diff changeset
286 }
253
3b34deba4ca0 Squashing some bugs introduced when I switched the register assignments for z80_write_byte around.
Mike Pavone <pavone@retrodev.com>
parents: 252
diff changeset
287 if (z80_size(inst) == SZ_B) {
593
5ef3fe516da9 Z80 core is sort of working again
Michael Pavone <pavone@retrodev.com>
parents: 592
diff changeset
288 call(&opts->gen.code, opts->write_8);
253
3b34deba4ca0 Squashing some bugs introduced when I switched the register assignments for z80_write_byte around.
Mike Pavone <pavone@retrodev.com>
parents: 252
diff changeset
289 } else {
593
5ef3fe516da9 Z80 core is sort of working again
Michael Pavone <pavone@retrodev.com>
parents: 592
diff changeset
290 call(&opts->gen.code, opts->write_16_lowfirst);
253
3b34deba4ca0 Squashing some bugs introduced when I switched the register assignments for z80_write_byte around.
Mike Pavone <pavone@retrodev.com>
parents: 252
diff changeset
291 }
213
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
292 }
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
293 }
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
294
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
295 enum {
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
296 DONT_READ=0,
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
297 READ
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
298 };
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
299
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
300 enum {
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
301 DONT_MODIFY=0,
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
302 MODIFY
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
303 };
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
304
235
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
305 void z80_print_regs_exit(z80_context * context)
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
306 {
505
b7b7a1cab44a The local clone on my laptop got messed up and some changes had not been pushed. This commit represents the status of the working copy from that clone. It unfortunately contains some changes that I did not intend to commit yet, but this seems like the best option at the moment.
Michael Pavone <pavone@retrodev.com>
parents: 467
diff changeset
307 printf("A: %X\nB: %X\nC: %X\nD: %X\nE: %X\nHL: %X\nIX: %X\nIY: %X\nSP: %X\n\nIM: %d, IFF1: %d, IFF2: %d\n",
235
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
308 context->regs[Z80_A], context->regs[Z80_B], context->regs[Z80_C],
505
b7b7a1cab44a The local clone on my laptop got messed up and some changes had not been pushed. This commit represents the status of the working copy from that clone. It unfortunately contains some changes that I did not intend to commit yet, but this seems like the best option at the moment.
Michael Pavone <pavone@retrodev.com>
parents: 467
diff changeset
309 context->regs[Z80_D], context->regs[Z80_E],
b7b7a1cab44a The local clone on my laptop got messed up and some changes had not been pushed. This commit represents the status of the working copy from that clone. It unfortunately contains some changes that I did not intend to commit yet, but this seems like the best option at the moment.
Michael Pavone <pavone@retrodev.com>
parents: 467
diff changeset
310 (context->regs[Z80_H] << 8) | context->regs[Z80_L],
b7b7a1cab44a The local clone on my laptop got messed up and some changes had not been pushed. This commit represents the status of the working copy from that clone. It unfortunately contains some changes that I did not intend to commit yet, but this seems like the best option at the moment.
Michael Pavone <pavone@retrodev.com>
parents: 467
diff changeset
311 (context->regs[Z80_IXH] << 8) | context->regs[Z80_IXL],
b7b7a1cab44a The local clone on my laptop got messed up and some changes had not been pushed. This commit represents the status of the working copy from that clone. It unfortunately contains some changes that I did not intend to commit yet, but this seems like the best option at the moment.
Michael Pavone <pavone@retrodev.com>
parents: 467
diff changeset
312 (context->regs[Z80_IYH] << 8) | context->regs[Z80_IYL],
243
2f069a0b487e Implement EI, DI and IM in the Z80 core
Mike Pavone <pavone@retrodev.com>
parents: 242
diff changeset
313 context->sp, context->im, context->iff1, context->iff2);
241
2586d49ddd46 Implement EX, EXX and RST in Z80 core
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
314 puts("--Alternate Regs--");
505
b7b7a1cab44a The local clone on my laptop got messed up and some changes had not been pushed. This commit represents the status of the working copy from that clone. It unfortunately contains some changes that I did not intend to commit yet, but this seems like the best option at the moment.
Michael Pavone <pavone@retrodev.com>
parents: 467
diff changeset
315 printf("A: %X\nB: %X\nC: %X\nD: %X\nE: %X\nHL: %X\nIX: %X\nIY: %X\n",
241
2586d49ddd46 Implement EX, EXX and RST in Z80 core
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
316 context->alt_regs[Z80_A], context->alt_regs[Z80_B], context->alt_regs[Z80_C],
505
b7b7a1cab44a The local clone on my laptop got messed up and some changes had not been pushed. This commit represents the status of the working copy from that clone. It unfortunately contains some changes that I did not intend to commit yet, but this seems like the best option at the moment.
Michael Pavone <pavone@retrodev.com>
parents: 467
diff changeset
317 context->alt_regs[Z80_D], context->alt_regs[Z80_E],
b7b7a1cab44a The local clone on my laptop got messed up and some changes had not been pushed. This commit represents the status of the working copy from that clone. It unfortunately contains some changes that I did not intend to commit yet, but this seems like the best option at the moment.
Michael Pavone <pavone@retrodev.com>
parents: 467
diff changeset
318 (context->alt_regs[Z80_H] << 8) | context->alt_regs[Z80_L],
b7b7a1cab44a The local clone on my laptop got messed up and some changes had not been pushed. This commit represents the status of the working copy from that clone. It unfortunately contains some changes that I did not intend to commit yet, but this seems like the best option at the moment.
Michael Pavone <pavone@retrodev.com>
parents: 467
diff changeset
319 (context->alt_regs[Z80_IXH] << 8) | context->alt_regs[Z80_IXL],
241
2586d49ddd46 Implement EX, EXX and RST in Z80 core
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parents: 239
diff changeset
320 (context->alt_regs[Z80_IYH] << 8) | context->alt_regs[Z80_IYL]);
235
d9bf8e61c33c Get Z80 core working for simple programs
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parents: 213
diff changeset
321 exit(0);
d9bf8e61c33c Get Z80 core working for simple programs
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parents: 213
diff changeset
322 }
d9bf8e61c33c Get Z80 core working for simple programs
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parents: 213
diff changeset
323
652
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
324 void translate_z80inst(z80inst * inst, z80_context * context, uint16_t address, uint8_t interp)
213
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
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parents:
diff changeset
325 {
591
966b46c68942 Get Z80 core back into compileable state
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parents: 590
diff changeset
326 uint32_t num_cycles;
966b46c68942 Get Z80 core back into compileable state
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parents: 590
diff changeset
327 host_ea src_op, dst_op;
235
d9bf8e61c33c Get Z80 core working for simple programs
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parents: 213
diff changeset
328 uint8_t size;
590
ea80559c67cb WIP effort to update z80 core for code gen changes
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parents: 506
diff changeset
329 z80_options *opts = context->options;
591
966b46c68942 Get Z80 core back into compileable state
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parents: 590
diff changeset
330 uint8_t * start = opts->gen.code.cur;
966b46c68942 Get Z80 core back into compileable state
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parents: 590
diff changeset
331 code_info *code = &opts->gen.code;
627
c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses
Michael Pavone <pavone@retrodev.com>
parents: 626
diff changeset
332 if (!interp) {
652
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
333 check_cycles_int(&opts->gen, address);
819
ab017fb09e77 Added support for an IO memory map in Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 792
diff changeset
334 if (context->breakpoint_flags[address / 8] & (1 << (address % 8))) {
627
c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses
Michael Pavone <pavone@retrodev.com>
parents: 626
diff changeset
335 zbreakpoint_patch(context, address, start);
c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses
Michael Pavone <pavone@retrodev.com>
parents: 626
diff changeset
336 }
1044
1625555e346e Properly handle redundant prefixes
Michael Pavone <pavone@retrodev.com>
parents: 1043
diff changeset
337 num_cycles = 4 * inst->opcode_bytes;
1625555e346e Properly handle redundant prefixes
Michael Pavone <pavone@retrodev.com>
parents: 1043
diff changeset
338 //TODO: increment R register once for every opcode byte
735
539d12fa6a4d Add a define in both the source and Makefile for enabling logging of z80 instruction address/cycle counts. Fix Z80 in/out instructions to eliminate assumptions about which registers are stored in native regs. Fix read_16 to not corrupt the low byte when the read has to call into a C function.
Michael Pavone <pavone@retrodev.com>
parents: 734
diff changeset
339 #ifdef Z80_LOG_ADDRESS
539d12fa6a4d Add a define in both the source and Makefile for enabling logging of z80 instruction address/cycle counts. Fix Z80 in/out instructions to eliminate assumptions about which registers are stored in native regs. Fix read_16 to not corrupt the low byte when the read has to call into a C function.
Michael Pavone <pavone@retrodev.com>
parents: 734
diff changeset
340 log_address(&opts->gen, address, "Z80: %X @ %d\n");
539d12fa6a4d Add a define in both the source and Makefile for enabling logging of z80 instruction address/cycle counts. Fix Z80 in/out instructions to eliminate assumptions about which registers are stored in native regs. Fix read_16 to not corrupt the low byte when the read has to call into a C function.
Michael Pavone <pavone@retrodev.com>
parents: 734
diff changeset
341 #endif
626
7c46891a29b1 Properly handle Z80 breakpoints on self-modifying code and setting Z80 breakpoints before the Z80 program has been loaded
Michael Pavone <pavone@retrodev.com>
parents: 625
diff changeset
342 }
213
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
343 switch(inst->op)
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
344 {
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
345 case Z80_LD:
235
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
346 size = z80_size(inst);
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
347 switch (inst->addr_mode & 0x1F)
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
348 {
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
349 case Z80_REG:
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
350 case Z80_REG_INDIRECT:
1044
1625555e346e Properly handle redundant prefixes
Michael Pavone <pavone@retrodev.com>
parents: 1043
diff changeset
351 if (size != SZ_B) {
1625555e346e Properly handle redundant prefixes
Michael Pavone <pavone@retrodev.com>
parents: 1043
diff changeset
352 num_cycles += 2;
235
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
353 }
841
58606d16d35c Fix timing of certain variants of LD
Michael Pavone <pavone@retrodev.com>
parents: 840
diff changeset
354 if (inst->reg == Z80_I || inst->ea_reg == Z80_I || inst->reg == Z80_R || inst->ea_reg == Z80_R) {
1044
1625555e346e Properly handle redundant prefixes
Michael Pavone <pavone@retrodev.com>
parents: 1043
diff changeset
355 num_cycles += 1;
506
a3b48a57e847 Fix timing of certain ld and jp instructions in the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 505
diff changeset
356 }
235
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
357 break;
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
358 case Z80_IMMED:
1044
1625555e346e Properly handle redundant prefixes
Michael Pavone <pavone@retrodev.com>
parents: 1043
diff changeset
359 num_cycles += size == SZ_B ? 3 : 6;
235
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
360 break;
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
361 case Z80_IMMED_INDIRECT:
1044
1625555e346e Properly handle redundant prefixes
Michael Pavone <pavone@retrodev.com>
parents: 1043
diff changeset
362 num_cycles += 6;
235
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
363 break;
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
364 case Z80_IX_DISPLACE:
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
365 case Z80_IY_DISPLACE:
1044
1625555e346e Properly handle redundant prefixes
Michael Pavone <pavone@retrodev.com>
parents: 1043
diff changeset
366 num_cycles = 8; //3 for displacement, 5 for address addition
235
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
367 break;
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
368 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
369 cycles(&opts->gen, num_cycles);
213
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
370 if (inst->addr_mode & Z80_DIR) {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
371 translate_z80_ea(inst, &dst_op, opts, DONT_READ, MODIFY);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
372 translate_z80_reg(inst, &src_op, opts);
235
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
373 } else {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
374 translate_z80_ea(inst, &src_op, opts, READ, DONT_MODIFY);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
375 translate_z80_reg(inst, &dst_op, opts);
213
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
376 }
235
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
377 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
378 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
379 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
380 } else {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
381 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
382 }
d97c9eca49f4 Implement ld to and from the I and R registers
Mike Pavone <pavone@retrodev.com>
parents: 261
diff changeset
383 } 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
384 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
385 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
386 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
387 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
388 }
213
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
389 } else {
730
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
390 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
391 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
392 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
393 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
394 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
395 }
213
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
396 }
842
ba93a3941300 Set flags for ld a, r
Michael Pavone <pavone@retrodev.com>
parents: 841
diff changeset
397 if ((inst->ea_reg == Z80_I || inst->ea_reg == Z80_R) && inst->addr_mode == Z80_REG) {
ba93a3941300 Set flags for ld a, r
Michael Pavone <pavone@retrodev.com>
parents: 841
diff changeset
398 //ld a, i and ld a, r sets some flags
652
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
399 cmp_ir(code, 0, dst_op.base, SZ_B);
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
400 setcc_rdisp(code, CC_Z, opts->gen.context_reg, zf_off(ZF_Z));
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
401 setcc_rdisp(code, CC_S, opts->gen.context_reg, zf_off(ZF_S));
821
21a69dfb6ee7 Implement half carry for a couple of the trivial cases
Michael Pavone <pavone@retrodev.com>
parents: 819
diff changeset
402 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_H), SZ_B);;
652
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
403 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
404 mov_rdispr(code, opts->gen.context_reg, offsetof(z80_context, iff2), opts->gen.scratch1, SZ_B);
652
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
405 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
406 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
407 z80_save_reg(inst, opts);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
408 z80_save_ea(code, inst, opts);
235
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
409 if (inst->addr_mode & Z80_DIR) {
593
5ef3fe516da9 Z80 core is sort of working again
Michael Pavone <pavone@retrodev.com>
parents: 592
diff changeset
410 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
411 }
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
412 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
413 case Z80_PUSH:
1044
1625555e346e Properly handle redundant prefixes
Michael Pavone <pavone@retrodev.com>
parents: 1043
diff changeset
414 cycles(&opts->gen, num_cycles + 1);
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
415 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
416 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
417 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
418 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
419 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
420 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
421 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
422 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
423 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
424 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
425 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
426 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
427 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
428 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
429 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
430 } else {
731
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
431 zreg_to_native(opts, inst->reg, opts->gen.scratch1);
235
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
432 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
433 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
434 call(code, opts->write_16_highfirst);
235
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
435 //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
436 //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
437 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
438 case Z80_POP:
1044
1625555e346e Properly handle redundant prefixes
Michael Pavone <pavone@retrodev.com>
parents: 1043
diff changeset
439 cycles(&opts->gen, num_cycles);
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
440 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
441 call(code, opts->read_16);
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
442 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
443 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
444
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
445 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
446 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
447 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
448 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
449 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
450 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
451 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
452 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
453 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
454 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
455 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
456 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
457 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
458 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
459 } else {
731
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
460 native_to_zreg(opts, opts->gen.scratch1, inst->reg);
235
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
461 }
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
462 //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
463 //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
464 break;
241
2586d49ddd46 Implement EX, EXX and RST in Z80 core
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
465 case Z80_EX:
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
466 cycles(&opts->gen, num_cycles);
241
2586d49ddd46 Implement EX, EXX and RST in Z80 core
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
467 if (inst->addr_mode == Z80_REG) {
2586d49ddd46 Implement EX, EXX and RST in Z80 core
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
468 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
469 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
470 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
471 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
472 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
473
241
2586d49ddd46 Implement EX, EXX and RST in Z80 core
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
474 //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
475 //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
476 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
477 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
478 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
479 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
480 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
481 }
2586d49ddd46 Implement EX, EXX and RST in Z80 core
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
482 } 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
483 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
484 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
485 } 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
486 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
487 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
488 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
489 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
490 }
241
2586d49ddd46 Implement EX, EXX and RST in Z80 core
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
491 }
2586d49ddd46 Implement EX, EXX and RST in Z80 core
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
492 } else {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
493 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
494 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
495 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
496 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
497 } 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
498 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
499 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
500 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
501 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
502 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
503 call(code, opts->write_8);
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
504 cycles(&opts->gen, 1);
241
2586d49ddd46 Implement EX, EXX and RST in Z80 core
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
505 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
506 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
507 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
508 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
509 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
510 //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
511 //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
512 //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
513 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
514 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
515 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
516 //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
517 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
518 } 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
519 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
520 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
521 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
522 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
523 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
524 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
525 call(code, opts->write_8);
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
526 cycles(&opts->gen, 2);
241
2586d49ddd46 Implement EX, EXX and RST in Z80 core
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
527 }
2586d49ddd46 Implement EX, EXX and RST in Z80 core
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
528 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
529 case Z80_EXX:
1044
1625555e346e Properly handle redundant prefixes
Michael Pavone <pavone@retrodev.com>
parents: 1043
diff changeset
530 cycles(&opts->gen, num_cycles);
729
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken
Michael Pavone <pavone@retrodev.com>
parents: 716
diff changeset
531 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
532 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
533 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
534 native_to_zreg(opts, opts->gen.scratch2, Z80_BC);
840
5822c6e5642f Fix timing of IM instruction
Michael Pavone <pavone@retrodev.com>
parents: 828
diff changeset
535
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
536 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
537 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
538 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
539 native_to_zreg(opts, opts->gen.scratch2, Z80_HL);
840
5822c6e5642f Fix timing of IM instruction
Michael Pavone <pavone@retrodev.com>
parents: 828
diff changeset
540
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
541 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
542 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
543 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
544 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
545 break;
272
9b04b57434b5 Implement LDI
Mike Pavone <pavone@retrodev.com>
parents: 269
diff changeset
546 case Z80_LDI: {
1044
1625555e346e Properly handle redundant prefixes
Michael Pavone <pavone@retrodev.com>
parents: 1043
diff changeset
547 cycles(&opts->gen, num_cycles);
729
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken
Michael Pavone <pavone@retrodev.com>
parents: 716
diff changeset
548 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
549 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
550 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
551 call(code, opts->write_8);
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
552 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
553 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
554 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
555 } 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
556 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
557 }
9ef6db986982 Fix a bunch of assumptions about which 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 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
559 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
560 } 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
561 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
562 }
9ef6db986982 Fix a bunch of assumptions about which 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 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
564 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
565 } 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
566 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
567 }
821
21a69dfb6ee7 Implement half carry for a couple of the trivial cases
Michael Pavone <pavone@retrodev.com>
parents: 819
diff changeset
568 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_H), SZ_B);
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
569 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
570 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
571 break;
9b04b57434b5 Implement LDI
Mike Pavone <pavone@retrodev.com>
parents: 269
diff changeset
572 }
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
573 case Z80_LDIR: {
1044
1625555e346e Properly handle redundant prefixes
Michael Pavone <pavone@retrodev.com>
parents: 1043
diff changeset
574 cycles(&opts->gen, num_cycles);
729
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken
Michael Pavone <pavone@retrodev.com>
parents: 716
diff changeset
575 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
576 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
577 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
578 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
579 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
580 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
581 } else {
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken
Michael Pavone <pavone@retrodev.com>
parents: 716
diff changeset
582 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
583 }
9ef6db986982 Fix a bunch of assumptions about which 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 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
585 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
586 } 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
587 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
588 }
9ef6db986982 Fix a bunch of assumptions about which 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 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
590 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
591 } 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
592 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
593 }
1043
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through.
Michael Pavone <pavone@retrodev.com>
parents: 1042
diff changeset
594 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_H), SZ_B);
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through.
Michael Pavone <pavone@retrodev.com>
parents: 1042
diff changeset
595 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_N), SZ_B);
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
596 uint8_t * cont = code->cur+1;
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
597 jcc(code, CC_Z, code->cur+2);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
598 cycles(&opts->gen, 7);
1043
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through.
Michael Pavone <pavone@retrodev.com>
parents: 1042
diff changeset
599 mov_irdisp(code, 1, opts->gen.context_reg, zf_off(ZF_PV), SZ_B);
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
600 jmp(code, start);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
601 *cont = code->cur - (cont + 1);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
602 cycles(&opts->gen, 2);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
603 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
604 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
605 }
273
719b9fea2fe9 Implement LDD and LDDR
Mike Pavone <pavone@retrodev.com>
parents: 272
diff changeset
606 case Z80_LDD: {
1044
1625555e346e Properly handle redundant prefixes
Michael Pavone <pavone@retrodev.com>
parents: 1043
diff changeset
607 cycles(&opts->gen, num_cycles);
729
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken
Michael Pavone <pavone@retrodev.com>
parents: 716
diff changeset
608 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
609 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
610 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
611 call(code, opts->write_8);
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
612 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
613 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
614 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
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_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
617 }
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken
Michael Pavone <pavone@retrodev.com>
parents: 716
diff changeset
618 if (opts->regs[Z80_HL] >= 0) {
828
22c3c52b9871 Fixed a copy pasta error in the implementation of LDD and LDDR. HL should be decremented and not incremented in those instructions.
Michael Pavone <pavone@retrodev.com>
parents: 821
diff changeset
619 sub_ir(code, 1, opts->regs[Z80_HL], SZ_W);
729
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken
Michael Pavone <pavone@retrodev.com>
parents: 716
diff changeset
620 } 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
621 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
622 }
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken
Michael Pavone <pavone@retrodev.com>
parents: 716
diff changeset
623 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
624 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
625 } 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
626 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
627 }
821
21a69dfb6ee7 Implement half carry for a couple of the trivial cases
Michael Pavone <pavone@retrodev.com>
parents: 819
diff changeset
628 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_H), SZ_B);
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
629 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
630 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
631 break;
719b9fea2fe9 Implement LDD and LDDR
Mike Pavone <pavone@retrodev.com>
parents: 272
diff changeset
632 }
719b9fea2fe9 Implement LDD and LDDR
Mike Pavone <pavone@retrodev.com>
parents: 272
diff changeset
633 case Z80_LDDR: {
1044
1625555e346e Properly handle redundant prefixes
Michael Pavone <pavone@retrodev.com>
parents: 1043
diff changeset
634 cycles(&opts->gen, num_cycles);
729
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken
Michael Pavone <pavone@retrodev.com>
parents: 716
diff changeset
635 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
636 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
637 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
638 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
639 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
640 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
641 } else {
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken
Michael Pavone <pavone@retrodev.com>
parents: 716
diff changeset
642 sub_irdisp(code, 1, opts->gen.context_reg, zr_off(Z80_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
643 }
9ef6db986982 Fix a bunch of assumptions about which 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 if (opts->regs[Z80_HL] >= 0) {
828
22c3c52b9871 Fixed a copy pasta error in the implementation of LDD and LDDR. HL should be decremented and not incremented in those instructions.
Michael Pavone <pavone@retrodev.com>
parents: 821
diff changeset
645 sub_ir(code, 1, opts->regs[Z80_HL], SZ_W);
729
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken
Michael Pavone <pavone@retrodev.com>
parents: 716
diff changeset
646 } 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
647 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
648 }
9ef6db986982 Fix a bunch of assumptions about which 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 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
650 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
651 } 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
652 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
653 }
1043
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through.
Michael Pavone <pavone@retrodev.com>
parents: 1042
diff changeset
654 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_H), SZ_B);
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through.
Michael Pavone <pavone@retrodev.com>
parents: 1042
diff changeset
655 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_N), SZ_B);
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
656 uint8_t * cont = code->cur+1;
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
657 jcc(code, CC_Z, code->cur+2);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
658 cycles(&opts->gen, 7);
1043
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through.
Michael Pavone <pavone@retrodev.com>
parents: 1042
diff changeset
659 mov_irdisp(code, 1, opts->gen.context_reg, zf_off(ZF_PV), SZ_B);
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
660 jmp(code, start);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
661 *cont = code->cur - (cont + 1);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
662 cycles(&opts->gen, 2);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
663 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
664 break;
719b9fea2fe9 Implement LDD and LDDR
Mike Pavone <pavone@retrodev.com>
parents: 272
diff changeset
665 }
1043
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through.
Michael Pavone <pavone@retrodev.com>
parents: 1042
diff changeset
666 case Z80_CPI:
1044
1625555e346e Properly handle redundant prefixes
Michael Pavone <pavone@retrodev.com>
parents: 1043
diff changeset
667 cycles(&opts->gen, num_cycles);//T-States 4,4
1043
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through.
Michael Pavone <pavone@retrodev.com>
parents: 1042
diff changeset
668 zreg_to_native(opts, Z80_HL, opts->gen.scratch1);
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through.
Michael Pavone <pavone@retrodev.com>
parents: 1042
diff changeset
669 call(code, opts->read_8);//T-States 3
1046
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
670 mov_rr(code, opts->regs[Z80_A], opts->gen.scratch2, SZ_B);
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
671 sub_rr(code, opts->gen.scratch1, opts->gen.scratch2, SZ_B);
1043
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through.
Michael Pavone <pavone@retrodev.com>
parents: 1042
diff changeset
672 mov_irdisp(code, 1, opts->gen.context_reg, zf_off(ZF_N), SZ_B);
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through.
Michael Pavone <pavone@retrodev.com>
parents: 1042
diff changeset
673 setcc_rdisp(code, CC_Z, opts->gen.context_reg, zf_off(ZF_Z));
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through.
Michael Pavone <pavone@retrodev.com>
parents: 1042
diff changeset
674 setcc_rdisp(code, CC_S, opts->gen.context_reg, zf_off(ZF_S));
1046
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
675 xor_rr(code, opts->regs[Z80_A], opts->gen.scratch2, SZ_B);
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
676 xor_rr(code, opts->gen.scratch1, opts->gen.scratch2, SZ_B);
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
677 bt_ir(code, 4, opts->gen.scratch2, SZ_B);
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
678 setcc_rdisp(code, CC_C, opts->gen.context_reg, zf_off(ZF_H));
1043
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through.
Michael Pavone <pavone@retrodev.com>
parents: 1042
diff changeset
679 cycles(&opts->gen, 5);//T-States 5
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through.
Michael Pavone <pavone@retrodev.com>
parents: 1042
diff changeset
680 if (opts->regs[Z80_HL] >= 0) {
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through.
Michael Pavone <pavone@retrodev.com>
parents: 1042
diff changeset
681 add_ir(code, 1, opts->regs[Z80_HL], SZ_W);
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through.
Michael Pavone <pavone@retrodev.com>
parents: 1042
diff changeset
682 } else {
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through.
Michael Pavone <pavone@retrodev.com>
parents: 1042
diff changeset
683 add_irdisp(code, 1, opts->gen.context_reg, zr_off(Z80_HL), SZ_W);
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through.
Michael Pavone <pavone@retrodev.com>
parents: 1042
diff changeset
684 }
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through.
Michael Pavone <pavone@retrodev.com>
parents: 1042
diff changeset
685 if (opts->regs[Z80_BC] >= 0) {
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through.
Michael Pavone <pavone@retrodev.com>
parents: 1042
diff changeset
686 sub_ir(code, 1, opts->regs[Z80_BC], SZ_W);
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through.
Michael Pavone <pavone@retrodev.com>
parents: 1042
diff changeset
687 } else {
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through.
Michael Pavone <pavone@retrodev.com>
parents: 1042
diff changeset
688 sub_irdisp(code, 1, opts->gen.context_reg, zr_off(Z80_BC), SZ_W);
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through.
Michael Pavone <pavone@retrodev.com>
parents: 1042
diff changeset
689 }
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through.
Michael Pavone <pavone@retrodev.com>
parents: 1042
diff changeset
690 setcc_rdisp(code, CC_NZ, opts->gen.context_reg, zf_off(ZF_PV));
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through.
Michael Pavone <pavone@retrodev.com>
parents: 1042
diff changeset
691 break;
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through.
Michael Pavone <pavone@retrodev.com>
parents: 1042
diff changeset
692 case Z80_CPIR: {
1044
1625555e346e Properly handle redundant prefixes
Michael Pavone <pavone@retrodev.com>
parents: 1043
diff changeset
693 cycles(&opts->gen, num_cycles);//T-States 4,4
1043
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through.
Michael Pavone <pavone@retrodev.com>
parents: 1042
diff changeset
694 zreg_to_native(opts, Z80_HL, opts->gen.scratch1);
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through.
Michael Pavone <pavone@retrodev.com>
parents: 1042
diff changeset
695 call(code, opts->read_8);//T-States 3
1046
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
696 mov_rr(code, opts->regs[Z80_A], opts->gen.scratch2, SZ_B);
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
697 sub_rr(code, opts->gen.scratch1, opts->gen.scratch2, SZ_B);
1043
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through.
Michael Pavone <pavone@retrodev.com>
parents: 1042
diff changeset
698 mov_irdisp(code, 1, opts->gen.context_reg, zf_off(ZF_N), SZ_B);
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through.
Michael Pavone <pavone@retrodev.com>
parents: 1042
diff changeset
699 setcc_rdisp(code, CC_Z, opts->gen.context_reg, zf_off(ZF_Z));
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through.
Michael Pavone <pavone@retrodev.com>
parents: 1042
diff changeset
700 setcc_rdisp(code, CC_S, opts->gen.context_reg, zf_off(ZF_S));
1046
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
701 xor_rr(code, opts->regs[Z80_A], opts->gen.scratch2, SZ_B);
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
702 xor_rr(code, opts->gen.scratch1, opts->gen.scratch2, SZ_B);
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
703 bt_ir(code, 4, opts->gen.scratch2, SZ_B);
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
704 setcc_rdisp(code, CC_C, opts->gen.context_reg, zf_off(ZF_H));
1043
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through.
Michael Pavone <pavone@retrodev.com>
parents: 1042
diff changeset
705 cycles(&opts->gen, 5);//T-States 5
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through.
Michael Pavone <pavone@retrodev.com>
parents: 1042
diff changeset
706 if (opts->regs[Z80_HL] >= 0) {
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through.
Michael Pavone <pavone@retrodev.com>
parents: 1042
diff changeset
707 add_ir(code, 1, opts->regs[Z80_HL], SZ_W);
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through.
Michael Pavone <pavone@retrodev.com>
parents: 1042
diff changeset
708 } else {
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through.
Michael Pavone <pavone@retrodev.com>
parents: 1042
diff changeset
709 add_irdisp(code, 1, opts->gen.context_reg, zr_off(Z80_HL), SZ_W);
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through.
Michael Pavone <pavone@retrodev.com>
parents: 1042
diff changeset
710 }
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through.
Michael Pavone <pavone@retrodev.com>
parents: 1042
diff changeset
711 if (opts->regs[Z80_BC] >= 0) {
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through.
Michael Pavone <pavone@retrodev.com>
parents: 1042
diff changeset
712 sub_ir(code, 1, opts->regs[Z80_BC], SZ_W);
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through.
Michael Pavone <pavone@retrodev.com>
parents: 1042
diff changeset
713 } else {
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through.
Michael Pavone <pavone@retrodev.com>
parents: 1042
diff changeset
714 sub_irdisp(code, 1, opts->gen.context_reg, zr_off(Z80_BC), SZ_W);
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through.
Michael Pavone <pavone@retrodev.com>
parents: 1042
diff changeset
715 }
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through.
Michael Pavone <pavone@retrodev.com>
parents: 1042
diff changeset
716 setcc_rdisp(code, CC_NZ, opts->gen.context_reg, zf_off(ZF_PV));
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through.
Michael Pavone <pavone@retrodev.com>
parents: 1042
diff changeset
717 uint8_t * cont = code->cur+1;
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through.
Michael Pavone <pavone@retrodev.com>
parents: 1042
diff changeset
718 jcc(code, CC_Z, code->cur+2);
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through.
Michael Pavone <pavone@retrodev.com>
parents: 1042
diff changeset
719 cmp_rr(code, opts->gen.scratch1, opts->regs[Z80_A], SZ_B);
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through.
Michael Pavone <pavone@retrodev.com>
parents: 1042
diff changeset
720 uint8_t * cont2 = code->cur+1;
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through.
Michael Pavone <pavone@retrodev.com>
parents: 1042
diff changeset
721 jcc(code, CC_Z, code->cur+2);
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through.
Michael Pavone <pavone@retrodev.com>
parents: 1042
diff changeset
722 //repeat case
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through.
Michael Pavone <pavone@retrodev.com>
parents: 1042
diff changeset
723 cycles(&opts->gen, 5);//T-States 5
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through.
Michael Pavone <pavone@retrodev.com>
parents: 1042
diff changeset
724 jmp(code, start);
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through.
Michael Pavone <pavone@retrodev.com>
parents: 1042
diff changeset
725 *cont = code->cur - (cont + 1);
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through.
Michael Pavone <pavone@retrodev.com>
parents: 1042
diff changeset
726 *cont2 = code->cur - (cont2 + 1);
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through.
Michael Pavone <pavone@retrodev.com>
parents: 1042
diff changeset
727 break;
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through.
Michael Pavone <pavone@retrodev.com>
parents: 1042
diff changeset
728 }
213
4d4559b04c59 Make reset trigger debug exit to make 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 case Z80_CPD:
1044
1625555e346e Properly handle redundant prefixes
Michael Pavone <pavone@retrodev.com>
parents: 1043
diff changeset
730 cycles(&opts->gen, num_cycles);//T-States 4,4
1043
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through.
Michael Pavone <pavone@retrodev.com>
parents: 1042
diff changeset
731 zreg_to_native(opts, Z80_HL, opts->gen.scratch1);
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through.
Michael Pavone <pavone@retrodev.com>
parents: 1042
diff changeset
732 call(code, opts->read_8);//T-States 3
1046
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
733 mov_rr(code, opts->regs[Z80_A], opts->gen.scratch2, SZ_B);
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
734 sub_rr(code, opts->gen.scratch1, opts->gen.scratch2, SZ_B);
1043
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through.
Michael Pavone <pavone@retrodev.com>
parents: 1042
diff changeset
735 mov_irdisp(code, 1, opts->gen.context_reg, zf_off(ZF_N), SZ_B);
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through.
Michael Pavone <pavone@retrodev.com>
parents: 1042
diff changeset
736 setcc_rdisp(code, CC_Z, opts->gen.context_reg, zf_off(ZF_Z));
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through.
Michael Pavone <pavone@retrodev.com>
parents: 1042
diff changeset
737 setcc_rdisp(code, CC_S, opts->gen.context_reg, zf_off(ZF_S));
1046
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
738 xor_rr(code, opts->regs[Z80_A], opts->gen.scratch2, SZ_B);
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
739 xor_rr(code, opts->gen.scratch1, opts->gen.scratch2, SZ_B);
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
740 bt_ir(code, 4, opts->gen.scratch2, SZ_B);
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
741 setcc_rdisp(code, CC_C, opts->gen.context_reg, zf_off(ZF_H));
1043
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through.
Michael Pavone <pavone@retrodev.com>
parents: 1042
diff changeset
742 cycles(&opts->gen, 5);//T-States 5
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through.
Michael Pavone <pavone@retrodev.com>
parents: 1042
diff changeset
743 if (opts->regs[Z80_HL] >= 0) {
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through.
Michael Pavone <pavone@retrodev.com>
parents: 1042
diff changeset
744 sub_ir(code, 1, opts->regs[Z80_HL], SZ_W);
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through.
Michael Pavone <pavone@retrodev.com>
parents: 1042
diff changeset
745 } else {
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through.
Michael Pavone <pavone@retrodev.com>
parents: 1042
diff changeset
746 sub_irdisp(code, 1, opts->gen.context_reg, zr_off(Z80_HL), SZ_W);
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through.
Michael Pavone <pavone@retrodev.com>
parents: 1042
diff changeset
747 }
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through.
Michael Pavone <pavone@retrodev.com>
parents: 1042
diff changeset
748 if (opts->regs[Z80_BC] >= 0) {
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through.
Michael Pavone <pavone@retrodev.com>
parents: 1042
diff changeset
749 sub_ir(code, 1, opts->regs[Z80_BC], SZ_W);
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through.
Michael Pavone <pavone@retrodev.com>
parents: 1042
diff changeset
750 } else {
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through.
Michael Pavone <pavone@retrodev.com>
parents: 1042
diff changeset
751 sub_irdisp(code, 1, opts->gen.context_reg, zr_off(Z80_BC), SZ_W);
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through.
Michael Pavone <pavone@retrodev.com>
parents: 1042
diff changeset
752 }
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through.
Michael Pavone <pavone@retrodev.com>
parents: 1042
diff changeset
753 setcc_rdisp(code, CC_NZ, opts->gen.context_reg, zf_off(ZF_PV));
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through.
Michael Pavone <pavone@retrodev.com>
parents: 1042
diff changeset
754 break;
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through.
Michael Pavone <pavone@retrodev.com>
parents: 1042
diff changeset
755 case Z80_CPDR: {
1044
1625555e346e Properly handle redundant prefixes
Michael Pavone <pavone@retrodev.com>
parents: 1043
diff changeset
756 cycles(&opts->gen, num_cycles);//T-States 4,4
1043
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through.
Michael Pavone <pavone@retrodev.com>
parents: 1042
diff changeset
757 zreg_to_native(opts, Z80_HL, opts->gen.scratch1);
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through.
Michael Pavone <pavone@retrodev.com>
parents: 1042
diff changeset
758 call(code, opts->read_8);//T-States 3
1046
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
759 mov_rr(code, opts->regs[Z80_A], opts->gen.scratch2, SZ_B);
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
760 sub_rr(code, opts->gen.scratch1, opts->gen.scratch2, SZ_B);
1043
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through.
Michael Pavone <pavone@retrodev.com>
parents: 1042
diff changeset
761 mov_irdisp(code, 1, opts->gen.context_reg, zf_off(ZF_N), SZ_B);
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through.
Michael Pavone <pavone@retrodev.com>
parents: 1042
diff changeset
762 setcc_rdisp(code, CC_Z, opts->gen.context_reg, zf_off(ZF_Z));
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through.
Michael Pavone <pavone@retrodev.com>
parents: 1042
diff changeset
763 setcc_rdisp(code, CC_S, opts->gen.context_reg, zf_off(ZF_S));
1046
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
764 xor_rr(code, opts->regs[Z80_A], opts->gen.scratch2, SZ_B);
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
765 xor_rr(code, opts->gen.scratch1, opts->gen.scratch2, SZ_B);
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
766 bt_ir(code, 4, opts->gen.scratch2, SZ_B);
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
767 setcc_rdisp(code, CC_C, opts->gen.context_reg, zf_off(ZF_H));
1043
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through.
Michael Pavone <pavone@retrodev.com>
parents: 1042
diff changeset
768 cycles(&opts->gen, 5);//T-States 5
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through.
Michael Pavone <pavone@retrodev.com>
parents: 1042
diff changeset
769 if (opts->regs[Z80_HL] >= 0) {
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through.
Michael Pavone <pavone@retrodev.com>
parents: 1042
diff changeset
770 sub_ir(code, 1, opts->regs[Z80_HL], SZ_W);
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through.
Michael Pavone <pavone@retrodev.com>
parents: 1042
diff changeset
771 } else {
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through.
Michael Pavone <pavone@retrodev.com>
parents: 1042
diff changeset
772 sub_irdisp(code, 1, opts->gen.context_reg, zr_off(Z80_HL), SZ_W);
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through.
Michael Pavone <pavone@retrodev.com>
parents: 1042
diff changeset
773 }
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through.
Michael Pavone <pavone@retrodev.com>
parents: 1042
diff changeset
774 if (opts->regs[Z80_BC] >= 0) {
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through.
Michael Pavone <pavone@retrodev.com>
parents: 1042
diff changeset
775 sub_ir(code, 1, opts->regs[Z80_BC], SZ_W);
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through.
Michael Pavone <pavone@retrodev.com>
parents: 1042
diff changeset
776 } else {
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through.
Michael Pavone <pavone@retrodev.com>
parents: 1042
diff changeset
777 sub_irdisp(code, 1, opts->gen.context_reg, zr_off(Z80_BC), SZ_W);
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through.
Michael Pavone <pavone@retrodev.com>
parents: 1042
diff changeset
778 }
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through.
Michael Pavone <pavone@retrodev.com>
parents: 1042
diff changeset
779 setcc_rdisp(code, CC_NZ, opts->gen.context_reg, zf_off(ZF_PV));
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through.
Michael Pavone <pavone@retrodev.com>
parents: 1042
diff changeset
780 uint8_t * cont = code->cur+1;
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through.
Michael Pavone <pavone@retrodev.com>
parents: 1042
diff changeset
781 jcc(code, CC_Z, code->cur+2);
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through.
Michael Pavone <pavone@retrodev.com>
parents: 1042
diff changeset
782 cmp_rr(code, opts->gen.scratch1, opts->regs[Z80_A], SZ_B);
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through.
Michael Pavone <pavone@retrodev.com>
parents: 1042
diff changeset
783 uint8_t * cont2 = code->cur+1;
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through.
Michael Pavone <pavone@retrodev.com>
parents: 1042
diff changeset
784 jcc(code, CC_Z, code->cur+2);
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through.
Michael Pavone <pavone@retrodev.com>
parents: 1042
diff changeset
785 //repeat case
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through.
Michael Pavone <pavone@retrodev.com>
parents: 1042
diff changeset
786 cycles(&opts->gen, 5);//T-States 5
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through.
Michael Pavone <pavone@retrodev.com>
parents: 1042
diff changeset
787 jmp(code, start);
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through.
Michael Pavone <pavone@retrodev.com>
parents: 1042
diff changeset
788 *cont = code->cur - (cont + 1);
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through.
Michael Pavone <pavone@retrodev.com>
parents: 1042
diff changeset
789 *cont2 = code->cur - (cont2 + 1);
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through.
Michael Pavone <pavone@retrodev.com>
parents: 1042
diff changeset
790 break;
3980ef0f6307 Implement block CP instructions. Fix bug that would corrupt context reg in DAA. Fix flag values for when LD block instructions are interrupted part way through.
Michael Pavone <pavone@retrodev.com>
parents: 1042
diff changeset
791 }
213
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
792 case Z80_ADD:
235
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
793 if (inst->addr_mode == Z80_IX_DISPLACE || inst->addr_mode == Z80_IY_DISPLACE) {
1044
1625555e346e Properly handle redundant prefixes
Michael Pavone <pavone@retrodev.com>
parents: 1043
diff changeset
794 num_cycles += 8;
213
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
795 } 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
796 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
797 } 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
798 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
799 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
800 cycles(&opts->gen, num_cycles);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
801 translate_z80_reg(inst, &dst_op, opts);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
802 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
803 if (dst_op.mode == MODE_REG_DIRECT) {
1046
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
804 mov_rr(code, dst_op.base, opts->gen.scratch2, z80_size(inst));
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
805 } else {
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
806 mov_rdispr(code, dst_op.base, dst_op.disp, opts->gen.scratch2, z80_size(inst));
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
807 }
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
808 if (src_op.mode == MODE_REG_DIRECT) {
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
809 xor_rr(code, src_op.base, opts->gen.scratch2, z80_size(inst));
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
810 } else if (src_op.mode == MODE_IMMED) {
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
811 xor_ir(code, src_op.disp, opts->gen.scratch2, z80_size(inst));
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
812 } else {
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
813 xor_rdispr(code, src_op.base, src_op.disp, opts->gen.scratch2, z80_size(inst));
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
814 }
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
815 if (dst_op.mode == MODE_REG_DIRECT) {
730
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
816 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
817 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
818 } 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
819 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
820 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
821 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
822 }
213
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
823 } else {
730
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
824 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
825 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
826 } 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
827 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
828 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
829 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
830 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
831 }
213
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
832 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
833 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
834 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
835 if (z80_size(inst) == SZ_B) {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
836 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
837 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
838 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
839 }
1046
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
840 if (dst_op.mode == MODE_REG_DIRECT) {
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
841 xor_rr(code, dst_op.base, opts->gen.scratch2, z80_size(inst));
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
842 } else {
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
843 xor_rdispr(code, dst_op.base, dst_op.disp, opts->gen.scratch2, z80_size(inst));
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
844 }
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
845 bt_ir(code, z80_size(inst) == SZ_B ? 4 : 12, opts->gen.scratch2, z80_size(inst));
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
846 setcc_rdisp(code, CC_C, opts->gen.context_reg, zf_off(ZF_H));
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
847 z80_save_reg(inst, opts);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
848 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
849 break;
248
9c7a3db7bcd0 Implement ADC and SBC in Z80 core (untested)
Mike Pavone <pavone@retrodev.com>
parents: 247
diff changeset
850 case Z80_ADC:
9c7a3db7bcd0 Implement ADC and SBC in Z80 core (untested)
Mike Pavone <pavone@retrodev.com>
parents: 247
diff changeset
851 if (inst->addr_mode == Z80_IX_DISPLACE || inst->addr_mode == Z80_IY_DISPLACE) {
1044
1625555e346e Properly handle redundant prefixes
Michael Pavone <pavone@retrodev.com>
parents: 1043
diff changeset
852 num_cycles += 8;
248
9c7a3db7bcd0 Implement ADC and SBC in Z80 core (untested)
Mike Pavone <pavone@retrodev.com>
parents: 247
diff changeset
853 } 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
854 num_cycles += 3;
248
9c7a3db7bcd0 Implement ADC and SBC in Z80 core (untested)
Mike Pavone <pavone@retrodev.com>
parents: 247
diff changeset
855 } 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
856 num_cycles += 4;
248
9c7a3db7bcd0 Implement ADC and SBC in Z80 core (untested)
Mike Pavone <pavone@retrodev.com>
parents: 247
diff changeset
857 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
858 cycles(&opts->gen, num_cycles);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
859 translate_z80_reg(inst, &dst_op, opts);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
860 translate_z80_ea(inst, &src_op, opts, READ, DONT_MODIFY);
1046
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
861 if (dst_op.mode == MODE_REG_DIRECT) {
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
862 mov_rr(code, dst_op.base, opts->gen.scratch2, z80_size(inst));
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
863 } else {
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
864 mov_rdispr(code, dst_op.base, dst_op.disp, opts->gen.scratch2, z80_size(inst));
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
865 }
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
866 if (src_op.mode == MODE_REG_DIRECT) {
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
867 xor_rr(code, src_op.base, opts->gen.scratch2, z80_size(inst));
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
868 } else if (src_op.mode == MODE_IMMED) {
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
869 xor_ir(code, src_op.disp, opts->gen.scratch2, z80_size(inst));
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
870 } else {
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
871 xor_rdispr(code, src_op.base, src_op.disp, opts->gen.scratch2, z80_size(inst));
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
872 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
873 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
874 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
875 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
876 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
877 } 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
878 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
879 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
880 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
881 }
248
9c7a3db7bcd0 Implement ADC and SBC in Z80 core (untested)
Mike Pavone <pavone@retrodev.com>
parents: 247
diff changeset
882 } else {
730
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
883 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
884 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
885 } 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
886 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
887 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
888 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
889 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
890 }
248
9c7a3db7bcd0 Implement ADC and SBC in Z80 core (untested)
Mike Pavone <pavone@retrodev.com>
parents: 247
diff changeset
891 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
892 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
893 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
894 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
895 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
896 setcc_rdisp(code, CC_S, opts->gen.context_reg, zf_off(ZF_S));
1046
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
897 if (dst_op.mode == MODE_REG_DIRECT) {
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
898 xor_rr(code, dst_op.base, opts->gen.scratch2, z80_size(inst));
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
899 } else {
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
900 xor_rdispr(code, dst_op.base, dst_op.disp, opts->gen.scratch2, z80_size(inst));
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
901 }
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
902 bt_ir(code, z80_size(inst) == SZ_B ? 4 : 12, opts->gen.scratch2, z80_size(inst));
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
903 setcc_rdisp(code, CC_C, opts->gen.context_reg, zf_off(ZF_H));
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
904 z80_save_reg(inst, opts);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
905 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
906 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
907 case Z80_SUB:
235
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
908 if (inst->addr_mode == Z80_IX_DISPLACE || inst->addr_mode == Z80_IY_DISPLACE) {
1044
1625555e346e Properly handle redundant prefixes
Michael Pavone <pavone@retrodev.com>
parents: 1043
diff changeset
909 num_cycles += 8;
213
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
910 } 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
911 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
912 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
913 cycles(&opts->gen, num_cycles);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
914 translate_z80_reg(inst, &dst_op, opts);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
915 translate_z80_ea(inst, &src_op, opts, READ, DONT_MODIFY);
730
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
916 if (dst_op.mode == MODE_REG_DIRECT) {
1046
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
917 mov_rr(code, dst_op.base, opts->gen.scratch2, z80_size(inst));
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
918 } else {
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
919 mov_rdispr(code, dst_op.base, dst_op.disp, opts->gen.scratch2, z80_size(inst));
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
920 }
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
921 if (src_op.mode == MODE_REG_DIRECT) {
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
922 xor_rr(code, src_op.base, opts->gen.scratch2, z80_size(inst));
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
923 } else if (src_op.mode == MODE_IMMED) {
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
924 xor_ir(code, src_op.disp, opts->gen.scratch2, z80_size(inst));
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
925 } else {
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
926 xor_rdispr(code, src_op.base, src_op.disp, opts->gen.scratch2, z80_size(inst));
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
927 }
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
928 if (dst_op.mode == MODE_REG_DIRECT) {
730
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
929 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
930 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
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 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
933 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
934 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
935 }
213
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
936 } else {
730
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
937 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
938 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
939 } 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
940 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
941 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
942 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
943 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
944 }
213
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
945 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
946 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
947 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
948 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
949 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
950 setcc_rdisp(code, CC_S, opts->gen.context_reg, zf_off(ZF_S));
1046
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
951 if (dst_op.mode == MODE_REG_DIRECT) {
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
952 xor_rr(code, dst_op.base, opts->gen.scratch2, z80_size(inst));
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
953 } else {
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
954 xor_rdispr(code, dst_op.base, dst_op.disp, opts->gen.scratch2, z80_size(inst));
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
955 }
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
956 bt_ir(code, z80_size(inst) == SZ_B ? 4 : 12, opts->gen.scratch2, z80_size(inst));
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
957 setcc_rdisp(code, CC_C, opts->gen.context_reg, zf_off(ZF_H));
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
958 z80_save_reg(inst, opts);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
959 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
960 break;
248
9c7a3db7bcd0 Implement ADC and SBC in Z80 core (untested)
Mike Pavone <pavone@retrodev.com>
parents: 247
diff changeset
961 case Z80_SBC:
9c7a3db7bcd0 Implement ADC and SBC in Z80 core (untested)
Mike Pavone <pavone@retrodev.com>
parents: 247
diff changeset
962 if (inst->addr_mode == Z80_IX_DISPLACE || inst->addr_mode == Z80_IY_DISPLACE) {
1044
1625555e346e Properly handle redundant prefixes
Michael Pavone <pavone@retrodev.com>
parents: 1043
diff changeset
963 num_cycles += 8;
248
9c7a3db7bcd0 Implement ADC and SBC in Z80 core (untested)
Mike Pavone <pavone@retrodev.com>
parents: 247
diff changeset
964 } 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
965 num_cycles += 3;
248
9c7a3db7bcd0 Implement ADC and SBC in Z80 core (untested)
Mike Pavone <pavone@retrodev.com>
parents: 247
diff changeset
966 } 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
967 num_cycles += 4;
248
9c7a3db7bcd0 Implement ADC and SBC in Z80 core (untested)
Mike Pavone <pavone@retrodev.com>
parents: 247
diff changeset
968 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
969 cycles(&opts->gen, num_cycles);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
970 translate_z80_reg(inst, &dst_op, opts);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
971 translate_z80_ea(inst, &src_op, opts, READ, DONT_MODIFY);
1046
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
972 if (dst_op.mode == MODE_REG_DIRECT) {
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
973 mov_rr(code, dst_op.base, opts->gen.scratch2, z80_size(inst));
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
974 } else {
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
975 mov_rdispr(code, dst_op.base, dst_op.disp, opts->gen.scratch2, z80_size(inst));
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
976 }
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
977 if (src_op.mode == MODE_REG_DIRECT) {
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
978 xor_rr(code, src_op.base, opts->gen.scratch2, z80_size(inst));
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
979 } else if (src_op.mode == MODE_IMMED) {
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
980 xor_ir(code, src_op.disp, opts->gen.scratch2, z80_size(inst));
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
981 } else {
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
982 xor_rdispr(code, src_op.base, src_op.disp, opts->gen.scratch2, z80_size(inst));
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
983 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
984 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
985 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
986 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
987 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
988 } 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
989 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
990 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
991 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
992 }
248
9c7a3db7bcd0 Implement ADC and SBC in Z80 core (untested)
Mike Pavone <pavone@retrodev.com>
parents: 247
diff changeset
993 } else {
730
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
994 if (src_op.mode == MODE_REG_DIRECT) {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
995 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
996 } else if (src_op.mode == MODE_IMMED) {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
997 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
998 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
999 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
1000 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
1001 }
248
9c7a3db7bcd0 Implement ADC and SBC in Z80 core (untested)
Mike Pavone <pavone@retrodev.com>
parents: 247
diff changeset
1002 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1003 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
1004 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
1005 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
1006 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
1007 setcc_rdisp(code, CC_S, opts->gen.context_reg, zf_off(ZF_S));
1046
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
1008 if (dst_op.mode == MODE_REG_DIRECT) {
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
1009 xor_rr(code, dst_op.base, opts->gen.scratch2, z80_size(inst));
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
1010 } else {
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
1011 xor_rdispr(code, dst_op.base, dst_op.disp, opts->gen.scratch2, z80_size(inst));
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
1012 }
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
1013 bt_ir(code, z80_size(inst) == SZ_B ? 4 : 12, opts->gen.scratch2, z80_size(inst));
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
1014 setcc_rdisp(code, CC_C, opts->gen.context_reg, zf_off(ZF_H));
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1015 z80_save_reg(inst, opts);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1016 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
1017 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
1018 case Z80_AND:
236
19fb3523a9e5 Implement more Z80 instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 235
diff changeset
1019 if (inst->addr_mode == Z80_IX_DISPLACE || inst->addr_mode == Z80_IY_DISPLACE) {
1044
1625555e346e Properly handle redundant prefixes
Michael Pavone <pavone@retrodev.com>
parents: 1043
diff changeset
1020 num_cycles += 8;
236
19fb3523a9e5 Implement more Z80 instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 235
diff changeset
1021 } 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
1022 num_cycles += 3;
236
19fb3523a9e5 Implement more Z80 instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 235
diff changeset
1023 } 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
1024 num_cycles += 4;
236
19fb3523a9e5 Implement more Z80 instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 235
diff changeset
1025 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1026 cycles(&opts->gen, num_cycles);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1027 translate_z80_reg(inst, &dst_op, opts);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1028 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
1029 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
1030 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
1031 } 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
1032 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
1033 } else {
730
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
1034 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
1035 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1036 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_N), SZ_B);
1042
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case
Michael Pavone <pavone@retrodev.com>
parents: 1040
diff changeset
1037 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_C), SZ_B);
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case
Michael Pavone <pavone@retrodev.com>
parents: 1040
diff changeset
1038 mov_irdisp(code, 1, opts->gen.context_reg, zf_off(ZF_H), SZ_B);
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case
Michael Pavone <pavone@retrodev.com>
parents: 1040
diff changeset
1039 setcc_rdisp(code, CC_P, opts->gen.context_reg, zf_off(ZF_PV));
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case
Michael Pavone <pavone@retrodev.com>
parents: 1040
diff changeset
1040 setcc_rdisp(code, CC_Z, opts->gen.context_reg, zf_off(ZF_Z));
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case
Michael Pavone <pavone@retrodev.com>
parents: 1040
diff changeset
1041 setcc_rdisp(code, CC_S, opts->gen.context_reg, zf_off(ZF_S));
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1042 z80_save_reg(inst, opts);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1043 z80_save_ea(code, inst, opts);
236
19fb3523a9e5 Implement more Z80 instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 235
diff changeset
1044 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
1045 case Z80_OR:
236
19fb3523a9e5 Implement more Z80 instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 235
diff changeset
1046 if (inst->addr_mode == Z80_IX_DISPLACE || inst->addr_mode == Z80_IY_DISPLACE) {
1044
1625555e346e Properly handle redundant prefixes
Michael Pavone <pavone@retrodev.com>
parents: 1043
diff changeset
1047 num_cycles += 8;
236
19fb3523a9e5 Implement more Z80 instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 235
diff changeset
1048 } 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
1049 num_cycles += 3;
236
19fb3523a9e5 Implement more Z80 instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 235
diff changeset
1050 } 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
1051 num_cycles += 4;
236
19fb3523a9e5 Implement more Z80 instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 235
diff changeset
1052 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1053 cycles(&opts->gen, num_cycles);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1054 translate_z80_reg(inst, &dst_op, opts);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1055 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
1056 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
1057 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
1058 } 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
1059 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
1060 } else {
730
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
1061 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
1062 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1063 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_N), SZ_B);
1042
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case
Michael Pavone <pavone@retrodev.com>
parents: 1040
diff changeset
1064 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_C), SZ_B);
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case
Michael Pavone <pavone@retrodev.com>
parents: 1040
diff changeset
1065 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_H), SZ_B);
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case
Michael Pavone <pavone@retrodev.com>
parents: 1040
diff changeset
1066 setcc_rdisp(code, CC_P, opts->gen.context_reg, zf_off(ZF_PV));
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case
Michael Pavone <pavone@retrodev.com>
parents: 1040
diff changeset
1067 setcc_rdisp(code, CC_Z, opts->gen.context_reg, zf_off(ZF_Z));
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case
Michael Pavone <pavone@retrodev.com>
parents: 1040
diff changeset
1068 setcc_rdisp(code, CC_S, opts->gen.context_reg, zf_off(ZF_S));
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1069 z80_save_reg(inst, opts);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1070 z80_save_ea(code, inst, opts);
236
19fb3523a9e5 Implement more Z80 instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 235
diff changeset
1071 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
1072 case Z80_XOR:
236
19fb3523a9e5 Implement more Z80 instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 235
diff changeset
1073 if (inst->addr_mode == Z80_IX_DISPLACE || inst->addr_mode == Z80_IY_DISPLACE) {
1044
1625555e346e Properly handle redundant prefixes
Michael Pavone <pavone@retrodev.com>
parents: 1043
diff changeset
1074 num_cycles += 8;
236
19fb3523a9e5 Implement more Z80 instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 235
diff changeset
1075 } 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
1076 num_cycles += 3;
236
19fb3523a9e5 Implement more Z80 instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 235
diff changeset
1077 } 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
1078 num_cycles += 4;
236
19fb3523a9e5 Implement more Z80 instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 235
diff changeset
1079 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1080 cycles(&opts->gen, num_cycles);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1081 translate_z80_reg(inst, &dst_op, opts);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1082 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
1083 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
1084 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
1085 } 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
1086 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
1087 } else {
730
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
1088 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
1089 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1090 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_N), SZ_B);
1042
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case
Michael Pavone <pavone@retrodev.com>
parents: 1040
diff changeset
1091 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_C), SZ_B);
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case
Michael Pavone <pavone@retrodev.com>
parents: 1040
diff changeset
1092 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_H), SZ_B);
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case
Michael Pavone <pavone@retrodev.com>
parents: 1040
diff changeset
1093 setcc_rdisp(code, CC_P, opts->gen.context_reg, zf_off(ZF_PV));
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case
Michael Pavone <pavone@retrodev.com>
parents: 1040
diff changeset
1094 setcc_rdisp(code, CC_Z, opts->gen.context_reg, zf_off(ZF_Z));
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case
Michael Pavone <pavone@retrodev.com>
parents: 1040
diff changeset
1095 setcc_rdisp(code, CC_S, opts->gen.context_reg, zf_off(ZF_S));
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1096 z80_save_reg(inst, opts);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1097 z80_save_ea(code, inst, opts);
236
19fb3523a9e5 Implement more Z80 instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 235
diff changeset
1098 break;
242
d3b84b2a4397 Implemente CP (untested)
Mike Pavone <pavone@retrodev.com>
parents: 241
diff changeset
1099 case Z80_CP:
d3b84b2a4397 Implemente CP (untested)
Mike Pavone <pavone@retrodev.com>
parents: 241
diff changeset
1100 if (inst->addr_mode == Z80_IX_DISPLACE || inst->addr_mode == Z80_IY_DISPLACE) {
1044
1625555e346e Properly handle redundant prefixes
Michael Pavone <pavone@retrodev.com>
parents: 1043
diff changeset
1101 num_cycles += 8;
242
d3b84b2a4397 Implemente CP (untested)
Mike Pavone <pavone@retrodev.com>
parents: 241
diff changeset
1102 } 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
1103 num_cycles += 3;
242
d3b84b2a4397 Implemente CP (untested)
Mike Pavone <pavone@retrodev.com>
parents: 241
diff changeset
1104 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1105 cycles(&opts->gen, num_cycles);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1106 translate_z80_reg(inst, &dst_op, opts);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1107 translate_z80_ea(inst, &src_op, opts, READ, DONT_MODIFY);
1046
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
1108 mov_rr(code, dst_op.base, opts->gen.scratch2, z80_size(inst));
242
d3b84b2a4397 Implemente CP (untested)
Mike Pavone <pavone@retrodev.com>
parents: 241
diff changeset
1109 if (src_op.mode == MODE_REG_DIRECT) {
1046
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
1110 sub_rr(code, src_op.base, opts->gen.scratch2, 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
1111 } else if (src_op.mode == MODE_IMMED) {
1046
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
1112 sub_ir(code, src_op.disp, opts->gen.scratch2, z80_size(inst));
242
d3b84b2a4397 Implemente CP (untested)
Mike Pavone <pavone@retrodev.com>
parents: 241
diff changeset
1113 } else {
1046
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
1114 sub_rdispr(code, src_op.base, src_op.disp, opts->gen.scratch2, z80_size(inst));
242
d3b84b2a4397 Implemente CP (untested)
Mike Pavone <pavone@retrodev.com>
parents: 241
diff changeset
1115 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1116 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
1117 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
1118 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
1119 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
1120 setcc_rdisp(code, CC_S, opts->gen.context_reg, zf_off(ZF_S));
1046
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
1121 xor_rr(code, dst_op.base, opts->gen.scratch2, z80_size(inst));
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
1122 if (src_op.mode == MODE_REG_DIRECT) {
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
1123 xor_rr(code, src_op.base, opts->gen.scratch2, z80_size(inst));
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
1124 } else if (src_op.mode == MODE_IMMED) {
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
1125 xor_ir(code, src_op.disp, opts->gen.scratch2, z80_size(inst));
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
1126 } else {
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
1127 xor_rdispr(code, src_op.base, src_op.disp, opts->gen.scratch2, z80_size(inst));
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
1128 }
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
1129 bt_ir(code, 4, opts->gen.scratch2, SZ_B);
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
1130 setcc_rdisp(code, CC_C, opts->gen.context_reg, zf_off(ZF_H));
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1131 z80_save_reg(inst, opts);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1132 z80_save_ea(code, inst, opts);
242
d3b84b2a4397 Implemente CP (untested)
Mike Pavone <pavone@retrodev.com>
parents: 241
diff changeset
1133 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
1134 case Z80_INC:
236
19fb3523a9e5 Implement more Z80 instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 235
diff changeset
1135 case Z80_DEC:
1044
1625555e346e Properly handle redundant prefixes
Michael Pavone <pavone@retrodev.com>
parents: 1043
diff changeset
1136 if(z80_size(inst) == SZ_W) {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1137 num_cycles += 2;
236
19fb3523a9e5 Implement more Z80 instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 235
diff changeset
1138 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1139 cycles(&opts->gen, num_cycles);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1140 translate_z80_reg(inst, &dst_op, opts);
236
19fb3523a9e5 Implement more Z80 instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 235
diff changeset
1141 if (dst_op.mode == MODE_UNUSED) {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1142 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
1143 }
1045
e0489abfdab0 Implement half-carry for INC, DEC and NEG
Michael Pavone <pavone@retrodev.com>
parents: 1044
diff changeset
1144 if (z80_size(inst) == SZ_B) {
e0489abfdab0 Implement half-carry for INC, DEC and NEG
Michael Pavone <pavone@retrodev.com>
parents: 1044
diff changeset
1145 if (dst_op.mode == MODE_REG_DIRECT) {
e0489abfdab0 Implement half-carry for INC, DEC and NEG
Michael Pavone <pavone@retrodev.com>
parents: 1044
diff changeset
1146 if (dst_op.base >= AH && dst_op.base <= BH) {
e0489abfdab0 Implement half-carry for INC, DEC and NEG
Michael Pavone <pavone@retrodev.com>
parents: 1044
diff changeset
1147 mov_rr(code, dst_op.base - AH, opts->gen.scratch2, SZ_W);
e0489abfdab0 Implement half-carry for INC, DEC and NEG
Michael Pavone <pavone@retrodev.com>
parents: 1044
diff changeset
1148 } else {
e0489abfdab0 Implement half-carry for INC, DEC and NEG
Michael Pavone <pavone@retrodev.com>
parents: 1044
diff changeset
1149 mov_rr(code, dst_op.base, opts->gen.scratch2, SZ_B);
e0489abfdab0 Implement half-carry for INC, DEC and NEG
Michael Pavone <pavone@retrodev.com>
parents: 1044
diff changeset
1150 }
e0489abfdab0 Implement half-carry for INC, DEC and NEG
Michael Pavone <pavone@retrodev.com>
parents: 1044
diff changeset
1151 } else {
e0489abfdab0 Implement half-carry for INC, DEC and NEG
Michael Pavone <pavone@retrodev.com>
parents: 1044
diff changeset
1152 mov_rdispr(code, dst_op.base, dst_op.disp, opts->gen.scratch2, SZ_B);
e0489abfdab0 Implement half-carry for INC, DEC and NEG
Michael Pavone <pavone@retrodev.com>
parents: 1044
diff changeset
1153 }
730
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
1154 }
1045
e0489abfdab0 Implement half-carry for INC, DEC and NEG
Michael Pavone <pavone@retrodev.com>
parents: 1044
diff changeset
1155 if (inst->op == Z80_INC) {
e0489abfdab0 Implement half-carry for INC, DEC and NEG
Michael Pavone <pavone@retrodev.com>
parents: 1044
diff changeset
1156 if (dst_op.mode == MODE_REG_DIRECT) {
e0489abfdab0 Implement half-carry for INC, DEC and NEG
Michael Pavone <pavone@retrodev.com>
parents: 1044
diff changeset
1157 add_ir(code, 1, dst_op.base, z80_size(inst));
e0489abfdab0 Implement half-carry for INC, DEC and NEG
Michael Pavone <pavone@retrodev.com>
parents: 1044
diff changeset
1158 } else {
e0489abfdab0 Implement half-carry for INC, DEC and NEG
Michael Pavone <pavone@retrodev.com>
parents: 1044
diff changeset
1159 add_irdisp(code, 1, dst_op.base, dst_op.disp, z80_size(inst));
e0489abfdab0 Implement half-carry for INC, DEC and NEG
Michael Pavone <pavone@retrodev.com>
parents: 1044
diff changeset
1160 }
e0489abfdab0 Implement half-carry for INC, DEC and NEG
Michael Pavone <pavone@retrodev.com>
parents: 1044
diff changeset
1161 } else {
e0489abfdab0 Implement half-carry for INC, DEC and NEG
Michael Pavone <pavone@retrodev.com>
parents: 1044
diff changeset
1162 if (dst_op.mode == MODE_REG_DIRECT) {
e0489abfdab0 Implement half-carry for INC, DEC and NEG
Michael Pavone <pavone@retrodev.com>
parents: 1044
diff changeset
1163 sub_ir(code, 1, dst_op.base, z80_size(inst));
e0489abfdab0 Implement half-carry for INC, DEC and NEG
Michael Pavone <pavone@retrodev.com>
parents: 1044
diff changeset
1164 } else {
e0489abfdab0 Implement half-carry for INC, DEC and NEG
Michael Pavone <pavone@retrodev.com>
parents: 1044
diff changeset
1165 sub_irdisp(code, 1, dst_op.base, dst_op.disp, z80_size(inst));
e0489abfdab0 Implement half-carry for INC, DEC and NEG
Michael Pavone <pavone@retrodev.com>
parents: 1044
diff changeset
1166 }
e0489abfdab0 Implement half-carry for INC, DEC and NEG
Michael Pavone <pavone@retrodev.com>
parents: 1044
diff changeset
1167 }
236
19fb3523a9e5 Implement more Z80 instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 235
diff changeset
1168 if (z80_size(inst) == SZ_B) {
1045
e0489abfdab0 Implement half-carry for INC, DEC and NEG
Michael Pavone <pavone@retrodev.com>
parents: 1044
diff changeset
1169 mov_irdisp(code, inst->op == Z80_DEC, opts->gen.context_reg, zf_off(ZF_N), SZ_B);
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1170 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
1171 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
1172 setcc_rdisp(code, CC_S, opts->gen.context_reg, zf_off(ZF_S));
1045
e0489abfdab0 Implement half-carry for INC, DEC and NEG
Michael Pavone <pavone@retrodev.com>
parents: 1044
diff changeset
1173 int bit = 4;
e0489abfdab0 Implement half-carry for INC, DEC and NEG
Michael Pavone <pavone@retrodev.com>
parents: 1044
diff changeset
1174 if (dst_op.mode == MODE_REG_DIRECT) {
e0489abfdab0 Implement half-carry for INC, DEC and NEG
Michael Pavone <pavone@retrodev.com>
parents: 1044
diff changeset
1175 if (dst_op.base >= AH && dst_op.base <= BH) {
e0489abfdab0 Implement half-carry for INC, DEC and NEG
Michael Pavone <pavone@retrodev.com>
parents: 1044
diff changeset
1176 bit = 12;
e0489abfdab0 Implement half-carry for INC, DEC and NEG
Michael Pavone <pavone@retrodev.com>
parents: 1044
diff changeset
1177 xor_rr(code, dst_op.base - AH, opts->gen.scratch2, SZ_W);
e0489abfdab0 Implement half-carry for INC, DEC and NEG
Michael Pavone <pavone@retrodev.com>
parents: 1044
diff changeset
1178 } else {
e0489abfdab0 Implement half-carry for INC, DEC and NEG
Michael Pavone <pavone@retrodev.com>
parents: 1044
diff changeset
1179 xor_rr(code, dst_op.base, opts->gen.scratch2, SZ_B);
e0489abfdab0 Implement half-carry for INC, DEC and NEG
Michael Pavone <pavone@retrodev.com>
parents: 1044
diff changeset
1180 }
e0489abfdab0 Implement half-carry for INC, DEC and NEG
Michael Pavone <pavone@retrodev.com>
parents: 1044
diff changeset
1181 } else {
e0489abfdab0 Implement half-carry for INC, DEC and NEG
Michael Pavone <pavone@retrodev.com>
parents: 1044
diff changeset
1182 xor_rdispr(code, dst_op.base, dst_op.disp, opts->gen.scratch2, SZ_B);
e0489abfdab0 Implement half-carry for INC, DEC and NEG
Michael Pavone <pavone@retrodev.com>
parents: 1044
diff changeset
1183 }
e0489abfdab0 Implement half-carry for INC, DEC and NEG
Michael Pavone <pavone@retrodev.com>
parents: 1044
diff changeset
1184 bt_ir(code, bit, opts->gen.scratch2, SZ_W);
e0489abfdab0 Implement half-carry for INC, DEC and NEG
Michael Pavone <pavone@retrodev.com>
parents: 1044
diff changeset
1185 setcc_rdisp(code, CC_C, opts->gen.context_reg, zf_off(ZF_H));
236
19fb3523a9e5 Implement more Z80 instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 235
diff changeset
1186 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1187 z80_save_reg(inst, opts);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1188 z80_save_ea(code, inst, opts);
593
5ef3fe516da9 Z80 core is sort of working again
Michael Pavone <pavone@retrodev.com>
parents: 592
diff changeset
1189 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
1190 break;
1046
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
1191 case Z80_DAA: {
1044
1625555e346e Properly handle redundant prefixes
Michael Pavone <pavone@retrodev.com>
parents: 1043
diff changeset
1192 cycles(&opts->gen, num_cycles);
1042
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case
Michael Pavone <pavone@retrodev.com>
parents: 1040
diff changeset
1193 xor_rr(code, opts->gen.scratch2, opts->gen.scratch2, SZ_B);
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case
Michael Pavone <pavone@retrodev.com>
parents: 1040
diff changeset
1194 zreg_to_native(opts, Z80_A, opts->gen.scratch1);
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case
Michael Pavone <pavone@retrodev.com>
parents: 1040
diff changeset
1195 and_ir(code, 0xF, opts->gen.scratch1, SZ_B);
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case
Michael Pavone <pavone@retrodev.com>
parents: 1040
diff changeset
1196 cmp_ir(code, 0xA, opts->gen.scratch1, SZ_B);
1046
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
1197 mov_ir(code, 0xA0, opts->gen.scratch1, SZ_B);
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
1198 code_ptr corf_low_range = code->cur + 1;
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
1199 jcc(code, CC_NC, code->cur+2);
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
1200 cmp_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_H), SZ_B);
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
1201 code_ptr corf_low = code->cur + 1;
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
1202 jcc(code, CC_NZ, code->cur+2);
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
1203 code_ptr no_corf_low = code->cur + 1;
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
1204 jmp(code, code->cur + 2);
1042
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case
Michael Pavone <pavone@retrodev.com>
parents: 1040
diff changeset
1205
1046
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
1206 *corf_low_range = code->cur - (corf_low_range + 1);
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
1207 mov_ir(code, 0x90, opts->gen.scratch1, SZ_B);
1042
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case
Michael Pavone <pavone@retrodev.com>
parents: 1040
diff changeset
1208 *corf_low = code->cur - (corf_low + 1);
1046
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
1209 mov_ir(code, 0x06, opts->gen.scratch2, SZ_B);
1042
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case
Michael Pavone <pavone@retrodev.com>
parents: 1040
diff changeset
1210
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case
Michael Pavone <pavone@retrodev.com>
parents: 1040
diff changeset
1211 *no_corf_low = code->cur - (no_corf_low + 1);
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case
Michael Pavone <pavone@retrodev.com>
parents: 1040
diff changeset
1212 cmp_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_C), SZ_B);
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case
Michael Pavone <pavone@retrodev.com>
parents: 1040
diff changeset
1213 code_ptr corf_high = code->cur+1;
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case
Michael Pavone <pavone@retrodev.com>
parents: 1040
diff changeset
1214 jcc(code, CC_NZ, code->cur+2);
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case
Michael Pavone <pavone@retrodev.com>
parents: 1040
diff changeset
1215 cmp_rr(code, opts->gen.scratch1, opts->regs[Z80_A], SZ_B);
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case
Michael Pavone <pavone@retrodev.com>
parents: 1040
diff changeset
1216 code_ptr no_corf_high = code->cur+1;
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case
Michael Pavone <pavone@retrodev.com>
parents: 1040
diff changeset
1217 jcc(code, CC_C, code->cur+2);
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case
Michael Pavone <pavone@retrodev.com>
parents: 1040
diff changeset
1218 *corf_high = code->cur - (corf_high + 1);
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case
Michael Pavone <pavone@retrodev.com>
parents: 1040
diff changeset
1219 or_ir(code, 0x60, opts->gen.scratch2, SZ_B);
1046
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
1220 mov_irdisp(code, 1, opts->gen.context_reg, zf_off(ZF_C), SZ_B);
1042
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case
Michael Pavone <pavone@retrodev.com>
parents: 1040
diff changeset
1221 *no_corf_high = code->cur - (no_corf_high + 1);
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case
Michael Pavone <pavone@retrodev.com>
parents: 1040
diff changeset
1222
1046
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
1223 mov_rr(code, opts->regs[Z80_A], opts->gen.scratch1, SZ_B);
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
1224 xor_rr(code, opts->gen.scratch2, opts->gen.scratch1, SZ_B);
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
1225
1042
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case
Michael Pavone <pavone@retrodev.com>
parents: 1040
diff changeset
1226 cmp_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_N), SZ_B);
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case
Michael Pavone <pavone@retrodev.com>
parents: 1040
diff changeset
1227 code_ptr not_sub = code->cur+1;
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case
Michael Pavone <pavone@retrodev.com>
parents: 1040
diff changeset
1228 jcc(code, CC_Z, code->cur+2);
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case
Michael Pavone <pavone@retrodev.com>
parents: 1040
diff changeset
1229 neg_r(code, opts->gen.scratch2, SZ_B);
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case
Michael Pavone <pavone@retrodev.com>
parents: 1040
diff changeset
1230 *not_sub = code->cur - (not_sub + 1);
1046
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
1231
1042
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case
Michael Pavone <pavone@retrodev.com>
parents: 1040
diff changeset
1232 add_rr(code, opts->gen.scratch2, opts->regs[Z80_A], SZ_B);
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case
Michael Pavone <pavone@retrodev.com>
parents: 1040
diff changeset
1233 setcc_rdisp(code, CC_Z, opts->gen.context_reg, zf_off(ZF_Z));
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case
Michael Pavone <pavone@retrodev.com>
parents: 1040
diff changeset
1234 setcc_rdisp(code, CC_S, opts->gen.context_reg, zf_off(ZF_S));
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case
Michael Pavone <pavone@retrodev.com>
parents: 1040
diff changeset
1235 setcc_rdisp(code, CC_P, opts->gen.context_reg, zf_off(ZF_PV));
1046
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
1236 xor_rr(code, opts->regs[Z80_A], opts->gen.scratch1, SZ_B);
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
1237 bt_ir(code, 4, opts->gen.scratch1, SZ_B);
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
1238 setcc_rdisp(code, CC_C, opts->gen.context_reg, zf_off(ZF_H));
1042
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case
Michael Pavone <pavone@retrodev.com>
parents: 1040
diff changeset
1239 break;
1046
a27fdf43f1a7 Fix DAA and implement half-carry for remaining instructions. Z80 core now passes ZEXDOC!
Michael Pavone <pavone@retrodev.com>
parents: 1045
diff changeset
1240 }
213
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1241 case Z80_CPL:
1044
1625555e346e Properly handle redundant prefixes
Michael Pavone <pavone@retrodev.com>
parents: 1043
diff changeset
1242 cycles(&opts->gen, num_cycles);
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1243 not_r(code, opts->regs[Z80_A], SZ_B);
1042
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case
Michael Pavone <pavone@retrodev.com>
parents: 1040
diff changeset
1244 mov_irdisp(code, 1, opts->gen.context_reg, zf_off(ZF_H), SZ_B);
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1245 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
1246 break;
be2b845d3e94 Implement CPL and NEG (untested)
Mike Pavone <pavone@retrodev.com>
parents: 273
diff changeset
1247 case Z80_NEG:
1044
1625555e346e Properly handle redundant prefixes
Michael Pavone <pavone@retrodev.com>
parents: 1043
diff changeset
1248 cycles(&opts->gen, num_cycles);
1045
e0489abfdab0 Implement half-carry for INC, DEC and NEG
Michael Pavone <pavone@retrodev.com>
parents: 1044
diff changeset
1249 mov_rr(code, opts->regs[Z80_A], opts->gen.scratch2, SZ_B);
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1250 neg_r(code, opts->regs[Z80_A], SZ_B);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1251 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
1252 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
1253 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
1254 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
1255 mov_irdisp(code, 1, opts->gen.context_reg, zf_off(ZF_N), SZ_B);
1045
e0489abfdab0 Implement half-carry for INC, DEC and NEG
Michael Pavone <pavone@retrodev.com>
parents: 1044
diff changeset
1256 xor_rr(code, opts->regs[Z80_A], opts->gen.scratch2, SZ_B);
e0489abfdab0 Implement half-carry for INC, DEC and NEG
Michael Pavone <pavone@retrodev.com>
parents: 1044
diff changeset
1257 bt_ir(code, 4, opts->gen.scratch2, SZ_B);
e0489abfdab0 Implement half-carry for INC, DEC and NEG
Michael Pavone <pavone@retrodev.com>
parents: 1044
diff changeset
1258 setcc_rdisp(code, CC_C, opts->gen.context_reg, zf_off(ZF_H));
274
be2b845d3e94 Implement CPL and NEG (untested)
Mike Pavone <pavone@retrodev.com>
parents: 273
diff changeset
1259 break;
213
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1260 case Z80_CCF:
1044
1625555e346e Properly handle redundant prefixes
Michael Pavone <pavone@retrodev.com>
parents: 1043
diff changeset
1261 cycles(&opts->gen, num_cycles);
1042
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case
Michael Pavone <pavone@retrodev.com>
parents: 1040
diff changeset
1262 mov_rdispr(code, opts->gen.context_reg, zf_off(ZF_C), opts->gen.scratch1, SZ_B);
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1263 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
1264 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_N), SZ_B);
1042
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case
Michael Pavone <pavone@retrodev.com>
parents: 1040
diff changeset
1265 mov_rrdisp(code, opts->gen.scratch1, opts->gen.context_reg, zf_off(ZF_H), SZ_B);
257
4c7933444df4 Implement CCF and SCF
Mike Pavone <pavone@retrodev.com>
parents: 255
diff changeset
1266 break;
4c7933444df4 Implement CCF and SCF
Mike Pavone <pavone@retrodev.com>
parents: 255
diff changeset
1267 case Z80_SCF:
1044
1625555e346e Properly handle redundant prefixes
Michael Pavone <pavone@retrodev.com>
parents: 1043
diff changeset
1268 cycles(&opts->gen, num_cycles);
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1269 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
1270 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_N), SZ_B);
1042
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case
Michael Pavone <pavone@retrodev.com>
parents: 1040
diff changeset
1271 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_H), SZ_B);
257
4c7933444df4 Implement CCF and SCF
Mike Pavone <pavone@retrodev.com>
parents: 255
diff changeset
1272 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
1273 case Z80_NOP:
1044
1625555e346e Properly handle redundant prefixes
Michael Pavone <pavone@retrodev.com>
parents: 1043
diff changeset
1274 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
1275 break;
593
5ef3fe516da9 Z80 core is sort of working again
Michael Pavone <pavone@retrodev.com>
parents: 592
diff changeset
1276 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
1277 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
1278 //this isn't terribly efficient, but it's good enough for now
1044
1625555e346e Properly handle redundant prefixes
Michael Pavone <pavone@retrodev.com>
parents: 1043
diff changeset
1279 cycles(&opts->gen, num_cycles);
667
30ccf56842d6 All cycle counters are now based off the master clock. This seems to have messed up Z80 interrupt timing (music in Sonic 2 is too slow for instance), but things are generally working
Michael Pavone <pavone@retrodev.com>
parents: 666
diff changeset
1280 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
1281 jmp(code, loop_top);
285
021aeb6df19b Implement HALT (sort of tested)
Mike Pavone <pavone@retrodev.com>
parents: 284
diff changeset
1282 break;
593
5ef3fe516da9 Z80 core is sort of working again
Michael Pavone <pavone@retrodev.com>
parents: 592
diff changeset
1283 }
213
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1284 case Z80_DI:
1044
1625555e346e Properly handle redundant prefixes
Michael Pavone <pavone@retrodev.com>
parents: 1043
diff changeset
1285 cycles(&opts->gen, num_cycles);
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1286 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
1287 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
1288 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
1289 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
1290 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
1291 case Z80_EI:
1044
1625555e346e Properly handle redundant prefixes
Michael Pavone <pavone@retrodev.com>
parents: 1043
diff changeset
1292 cycles(&opts->gen, num_cycles);
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1293 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
1294 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
1295 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
1296 //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
1297 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
1298 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
1299 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
1300 case Z80_IM:
1044
1625555e346e Properly handle redundant prefixes
Michael Pavone <pavone@retrodev.com>
parents: 1043
diff changeset
1301 cycles(&opts->gen, num_cycles);
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1302 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
1303 break;
247
682e505f5757 Implement rotation and bit set/reset instructions (untested).
Mike Pavone <pavone@retrodev.com>
parents: 246
diff changeset
1304 case Z80_RLC:
1044
1625555e346e Properly handle redundant prefixes
Michael Pavone <pavone@retrodev.com>
parents: 1043
diff changeset
1305 if (inst->addr_mode == Z80_IX_DISPLACE || inst->addr_mode == Z80_IY_DISPLACE) {
1625555e346e Properly handle redundant prefixes
Michael Pavone <pavone@retrodev.com>
parents: 1043
diff changeset
1306 num_cycles += 8;
1625555e346e Properly handle redundant prefixes
Michael Pavone <pavone@retrodev.com>
parents: 1043
diff changeset
1307 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1308 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
1309 if (inst->addr_mode != Z80_UNUSED) {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1310 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
1311 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
1312 cycles(&opts->gen, 1);
247
682e505f5757 Implement rotation and bit set/reset instructions (untested).
Mike Pavone <pavone@retrodev.com>
parents: 246
diff changeset
1313 } else {
302
3b831fe32c15 More fixes for confusion between Z80_UNUSED and MODE_UNUSED
Mike Pavone <pavone@retrodev.com>
parents: 301
diff changeset
1314 src_op.mode = MODE_UNUSED;
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1315 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
1316 }
730
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
1317 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
1318 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
1319 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
1320 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
1321 }
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
1322 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
1323 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
1324 } 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
1325 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
1326 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1327 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
1328 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_N), SZ_B);
1042
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case
Michael Pavone <pavone@retrodev.com>
parents: 1040
diff changeset
1329 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_H), SZ_B);
651
103d5cabbe14 Fix flags for rra, rrca, rla and rlca. Fix timing for rr, rrc, rl and rlc when using IX or IY. Fix access to I and R registers (R still needs to be made 7-bit though). Fix flags for ld a, i. The fix for access to I fixes PCM playback in Titan Overdrive and music playback in Crackdown.
Michael Pavone <pavone@retrodev.com>
parents: 644
diff changeset
1330 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
1331 //rlca does not set these flags
731
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1332 if (dst_op.mode == MODE_REG_DIRECT) {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1333 cmp_ir(code, 0, dst_op.base, SZ_B);
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1334 } else {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1335 cmp_irdisp(code, 0, dst_op.base, dst_op.disp, SZ_B);
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1336 }
730
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
1337 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
1338 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
1339 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
1340 }
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
1341 if (inst->addr_mode != Z80_UNUSED) {
593
5ef3fe516da9 Z80 core is sort of working again
Michael Pavone <pavone@retrodev.com>
parents: 592
diff changeset
1342 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
1343 if (src_op.mode != MODE_UNUSED) {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1344 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
1345 }
247
682e505f5757 Implement rotation and bit set/reset instructions (untested).
Mike Pavone <pavone@retrodev.com>
parents: 246
diff changeset
1346 } else {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1347 z80_save_reg(inst, opts);
247
682e505f5757 Implement rotation and bit set/reset instructions (untested).
Mike Pavone <pavone@retrodev.com>
parents: 246
diff changeset
1348 }
682e505f5757 Implement rotation and bit set/reset instructions (untested).
Mike Pavone <pavone@retrodev.com>
parents: 246
diff changeset
1349 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
1350 case Z80_RL:
1044
1625555e346e Properly handle redundant prefixes
Michael Pavone <pavone@retrodev.com>
parents: 1043
diff changeset
1351 if (inst->addr_mode == Z80_IX_DISPLACE || inst->addr_mode == Z80_IY_DISPLACE) {
1625555e346e Properly handle redundant prefixes
Michael Pavone <pavone@retrodev.com>
parents: 1043
diff changeset
1352 num_cycles += 8;
1625555e346e Properly handle redundant prefixes
Michael Pavone <pavone@retrodev.com>
parents: 1043
diff changeset
1353 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1354 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
1355 if (inst->addr_mode != Z80_UNUSED) {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1356 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
1357 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
1358 cycles(&opts->gen, 1);
247
682e505f5757 Implement rotation and bit set/reset instructions (untested).
Mike Pavone <pavone@retrodev.com>
parents: 246
diff changeset
1359 } else {
302
3b831fe32c15 More fixes for confusion between Z80_UNUSED and MODE_UNUSED
Mike Pavone <pavone@retrodev.com>
parents: 301
diff changeset
1360 src_op.mode = MODE_UNUSED;
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1361 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
1362 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1363 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
1364 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
1365 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
1366 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
1367 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
1368 }
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
1369 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
1370 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
1371 } 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
1372 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
1373 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1374 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
1375 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_N), SZ_B);
1042
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case
Michael Pavone <pavone@retrodev.com>
parents: 1040
diff changeset
1376 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_H), SZ_B);
651
103d5cabbe14 Fix flags for rra, rrca, rla and rlca. Fix timing for rr, rrc, rl and rlc when using IX or IY. Fix access to I and R registers (R still needs to be made 7-bit though). Fix flags for ld a, i. The fix for access to I fixes PCM playback in Titan Overdrive and music playback in Crackdown.
Michael Pavone <pavone@retrodev.com>
parents: 644
diff changeset
1377 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
1378 //rla does not set these flags
731
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1379 if (dst_op.mode == MODE_REG_DIRECT) {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1380 cmp_ir(code, 0, dst_op.base, SZ_B);
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1381 } else {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1382 cmp_irdisp(code, 0, dst_op.base, dst_op.disp, SZ_B);
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1383 }
730
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
1384 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
1385 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
1386 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
1387 }
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
1388 if (inst->addr_mode != Z80_UNUSED) {
593
5ef3fe516da9 Z80 core is sort of working again
Michael Pavone <pavone@retrodev.com>
parents: 592
diff changeset
1389 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
1390 if (src_op.mode != MODE_UNUSED) {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1391 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
1392 }
247
682e505f5757 Implement rotation and bit set/reset instructions (untested).
Mike Pavone <pavone@retrodev.com>
parents: 246
diff changeset
1393 } else {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1394 z80_save_reg(inst, opts);
247
682e505f5757 Implement rotation and bit set/reset instructions (untested).
Mike Pavone <pavone@retrodev.com>
parents: 246
diff changeset
1395 }
682e505f5757 Implement rotation and bit set/reset instructions (untested).
Mike Pavone <pavone@retrodev.com>
parents: 246
diff changeset
1396 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
1397 case Z80_RRC:
1044
1625555e346e Properly handle redundant prefixes
Michael Pavone <pavone@retrodev.com>
parents: 1043
diff changeset
1398 if (inst->addr_mode == Z80_IX_DISPLACE || inst->addr_mode == Z80_IY_DISPLACE) {
1625555e346e Properly handle redundant prefixes
Michael Pavone <pavone@retrodev.com>
parents: 1043
diff changeset
1399 num_cycles += 8;
1625555e346e Properly handle redundant prefixes
Michael Pavone <pavone@retrodev.com>
parents: 1043
diff changeset
1400 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1401 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
1402 if (inst->addr_mode != Z80_UNUSED) {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1403 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
1404 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
1405 cycles(&opts->gen, 1);
247
682e505f5757 Implement rotation and bit set/reset instructions (untested).
Mike Pavone <pavone@retrodev.com>
parents: 246
diff changeset
1406 } else {
302
3b831fe32c15 More fixes for confusion between Z80_UNUSED and MODE_UNUSED
Mike Pavone <pavone@retrodev.com>
parents: 301
diff changeset
1407 src_op.mode = MODE_UNUSED;
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1408 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
1409 }
730
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
1410 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
1411 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
1412 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
1413 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
1414 }
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
1415 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
1416 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
1417 } 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
1418 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
1419 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1420 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
1421 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_N), SZ_B);
1042
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case
Michael Pavone <pavone@retrodev.com>
parents: 1040
diff changeset
1422 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_H), SZ_B);
651
103d5cabbe14 Fix flags for rra, rrca, rla and rlca. Fix timing for rr, rrc, rl and rlc when using IX or IY. Fix access to I and R registers (R still needs to be made 7-bit though). Fix flags for ld a, i. The fix for access to I fixes PCM playback in Titan Overdrive and music playback in Crackdown.
Michael Pavone <pavone@retrodev.com>
parents: 644
diff changeset
1423 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
1424 //rrca does not set these flags
731
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1425 if (dst_op.mode == MODE_REG_DIRECT) {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1426 cmp_ir(code, 0, dst_op.base, SZ_B);
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1427 } else {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1428 cmp_irdisp(code, 0, dst_op.base, dst_op.disp, SZ_B);
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1429 }
730
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
1430 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
1431 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
1432 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
1433 }
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
1434 if (inst->addr_mode != Z80_UNUSED) {
593
5ef3fe516da9 Z80 core is sort of working again
Michael Pavone <pavone@retrodev.com>
parents: 592
diff changeset
1435 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
1436 if (src_op.mode != MODE_UNUSED) {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1437 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
1438 }
247
682e505f5757 Implement rotation and bit set/reset instructions (untested).
Mike Pavone <pavone@retrodev.com>
parents: 246
diff changeset
1439 } else {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1440 z80_save_reg(inst, opts);
247
682e505f5757 Implement rotation and bit set/reset instructions (untested).
Mike Pavone <pavone@retrodev.com>
parents: 246
diff changeset
1441 }
682e505f5757 Implement rotation and bit set/reset instructions (untested).
Mike Pavone <pavone@retrodev.com>
parents: 246
diff changeset
1442 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
1443 case Z80_RR:
1044
1625555e346e Properly handle redundant prefixes
Michael Pavone <pavone@retrodev.com>
parents: 1043
diff changeset
1444 if (inst->addr_mode == Z80_IX_DISPLACE || inst->addr_mode == Z80_IY_DISPLACE) {
1625555e346e Properly handle redundant prefixes
Michael Pavone <pavone@retrodev.com>
parents: 1043
diff changeset
1445 num_cycles += 8;
1625555e346e Properly handle redundant prefixes
Michael Pavone <pavone@retrodev.com>
parents: 1043
diff changeset
1446 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1447 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
1448 if (inst->addr_mode != Z80_UNUSED) {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1449 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
1450 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
1451 cycles(&opts->gen, 1);
247
682e505f5757 Implement rotation and bit set/reset instructions (untested).
Mike Pavone <pavone@retrodev.com>
parents: 246
diff changeset
1452 } else {
302
3b831fe32c15 More fixes for confusion between Z80_UNUSED and MODE_UNUSED
Mike Pavone <pavone@retrodev.com>
parents: 301
diff changeset
1453 src_op.mode = MODE_UNUSED;
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1454 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
1455 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1456 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
1457 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
1458 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
1459 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
1460 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
1461 }
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
1462 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
1463 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
1464 } 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
1465 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
1466 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1467 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
1468 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_N), SZ_B);
1042
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case
Michael Pavone <pavone@retrodev.com>
parents: 1040
diff changeset
1469 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_H), SZ_B);
651
103d5cabbe14 Fix flags for rra, rrca, rla and rlca. Fix timing for rr, rrc, rl and rlc when using IX or IY. Fix access to I and R registers (R still needs to be made 7-bit though). Fix flags for ld a, i. The fix for access to I fixes PCM playback in Titan Overdrive and music playback in Crackdown.
Michael Pavone <pavone@retrodev.com>
parents: 644
diff changeset
1470 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
1471 //rra does not set these flags
731
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1472 if (dst_op.mode == MODE_REG_DIRECT) {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1473 cmp_ir(code, 0, dst_op.base, SZ_B);
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1474 } else {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1475 cmp_irdisp(code, 0, dst_op.base, dst_op.disp, SZ_B);
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1476 }
730
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
1477 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
1478 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
1479 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
1480 }
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
1481 if (inst->addr_mode != Z80_UNUSED) {
593
5ef3fe516da9 Z80 core is sort of working again
Michael Pavone <pavone@retrodev.com>
parents: 592
diff changeset
1482 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
1483 if (src_op.mode != MODE_UNUSED) {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1484 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
1485 }
247
682e505f5757 Implement rotation and bit set/reset instructions (untested).
Mike Pavone <pavone@retrodev.com>
parents: 246
diff changeset
1486 } else {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1487 z80_save_reg(inst, opts);
247
682e505f5757 Implement rotation and bit set/reset instructions (untested).
Mike Pavone <pavone@retrodev.com>
parents: 246
diff changeset
1488 }
682e505f5757 Implement rotation and bit set/reset instructions (untested).
Mike Pavone <pavone@retrodev.com>
parents: 246
diff changeset
1489 break;
275
1a7d0a964ad2 Implement shift instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 274
diff changeset
1490 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
1491 case Z80_SLL:
1044
1625555e346e Properly handle redundant prefixes
Michael Pavone <pavone@retrodev.com>
parents: 1043
diff changeset
1492 if (inst->addr_mode == Z80_IX_DISPLACE || inst->addr_mode == Z80_IY_DISPLACE) {
1625555e346e Properly handle redundant prefixes
Michael Pavone <pavone@retrodev.com>
parents: 1043
diff changeset
1493 num_cycles += 8;
1625555e346e Properly handle redundant prefixes
Michael Pavone <pavone@retrodev.com>
parents: 1043
diff changeset
1494 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1495 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
1496 if (inst->addr_mode != Z80_UNUSED) {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1497 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
1498 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
1499 cycles(&opts->gen, 1);
275
1a7d0a964ad2 Implement shift instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 274
diff changeset
1500 } else {
302
3b831fe32c15 More fixes for confusion between Z80_UNUSED and MODE_UNUSED
Mike Pavone <pavone@retrodev.com>
parents: 301
diff changeset
1501 src_op.mode = MODE_UNUSED;
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1502 translate_z80_reg(inst, &dst_op, opts);
275
1a7d0a964ad2 Implement shift instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 274
diff changeset
1503 }
730
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
1504 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
1505 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
1506 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
1507 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
1508 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1509 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
1510 if (inst->op == Z80_SLL) {
731
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1511 if (dst_op.mode == MODE_REG_DIRECT) {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1512 or_ir(code, 1, dst_op.base, SZ_B);
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1513 } else {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1514 or_irdisp(code, 1, dst_op.base, dst_op.disp, SZ_B);
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1515 }
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
1516 }
730
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
1517 if (src_op.mode == MODE_REG_DIRECT) {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1518 mov_rr(code, dst_op.base, src_op.base, SZ_B);
730
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
1519 } else if(src_op.mode == MODE_REG_DISPLACE8) {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
1520 mov_rrdisp(code, dst_op.base, src_op.base, src_op.disp, SZ_B);
299
42e1a986f2d0 Fix calcuation of IX/IY dipslacements. Fix a bunch of stuff related to the IX/IY bit/shift/rotate instructions.
Mike Pavone <pavone@retrodev.com>
parents: 295
diff changeset
1521 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1522 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_N), SZ_B);
1042
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case
Michael Pavone <pavone@retrodev.com>
parents: 1040
diff changeset
1523 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_H), SZ_B);
731
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1524 if (dst_op.mode == MODE_REG_DIRECT) {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1525 cmp_ir(code, 0, dst_op.base, SZ_B);
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1526 } else {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1527 cmp_irdisp(code, 0, dst_op.base, dst_op.disp, SZ_B);
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1528 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1529 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
1530 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
1531 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
1532 if (inst->addr_mode != Z80_UNUSED) {
593
5ef3fe516da9 Z80 core is sort of working again
Michael Pavone <pavone@retrodev.com>
parents: 592
diff changeset
1533 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
1534 if (src_op.mode != MODE_UNUSED) {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1535 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
1536 }
275
1a7d0a964ad2 Implement shift instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 274
diff changeset
1537 } else {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1538 z80_save_reg(inst, opts);
275
1a7d0a964ad2 Implement shift instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 274
diff changeset
1539 }
1a7d0a964ad2 Implement shift instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 274
diff changeset
1540 break;
1a7d0a964ad2 Implement shift instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 274
diff changeset
1541 case Z80_SRA:
1044
1625555e346e Properly handle redundant prefixes
Michael Pavone <pavone@retrodev.com>
parents: 1043
diff changeset
1542 if (inst->addr_mode == Z80_IX_DISPLACE || inst->addr_mode == Z80_IY_DISPLACE) {
1625555e346e Properly handle redundant prefixes
Michael Pavone <pavone@retrodev.com>
parents: 1043
diff changeset
1543 num_cycles += 8;
1625555e346e Properly handle redundant prefixes
Michael Pavone <pavone@retrodev.com>
parents: 1043
diff changeset
1544 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1545 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
1546 if (inst->addr_mode != Z80_UNUSED) {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1547 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
1548 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
1549 cycles(&opts->gen, 1);
275
1a7d0a964ad2 Implement shift instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 274
diff changeset
1550 } else {
302
3b831fe32c15 More fixes for confusion between Z80_UNUSED and MODE_UNUSED
Mike Pavone <pavone@retrodev.com>
parents: 301
diff changeset
1551 src_op.mode = MODE_UNUSED;
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1552 translate_z80_reg(inst, &dst_op, opts);
275
1a7d0a964ad2 Implement shift instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 274
diff changeset
1553 }
730
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
1554 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
1555 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
1556 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
1557 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
1558 }
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
1559 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
1560 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
1561 } 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
1562 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
1563 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1564 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
1565 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_N), SZ_B);
1042
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case
Michael Pavone <pavone@retrodev.com>
parents: 1040
diff changeset
1566 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_H), SZ_B);
731
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1567 if (dst_op.mode == MODE_REG_DIRECT) {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1568 cmp_ir(code, 0, dst_op.base, SZ_B);
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1569 } else {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1570 cmp_irdisp(code, 0, dst_op.base, dst_op.disp, SZ_B);
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1571 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1572 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
1573 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
1574 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
1575 if (inst->addr_mode != Z80_UNUSED) {
593
5ef3fe516da9 Z80 core is sort of working again
Michael Pavone <pavone@retrodev.com>
parents: 592
diff changeset
1576 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
1577 if (src_op.mode != MODE_UNUSED) {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1578 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
1579 }
275
1a7d0a964ad2 Implement shift instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 274
diff changeset
1580 } else {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1581 z80_save_reg(inst, opts);
275
1a7d0a964ad2 Implement shift instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 274
diff changeset
1582 }
1a7d0a964ad2 Implement shift instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 274
diff changeset
1583 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
1584 case Z80_SRL:
1044
1625555e346e Properly handle redundant prefixes
Michael Pavone <pavone@retrodev.com>
parents: 1043
diff changeset
1585 if (inst->addr_mode == Z80_IX_DISPLACE || inst->addr_mode == Z80_IY_DISPLACE) {
1625555e346e Properly handle redundant prefixes
Michael Pavone <pavone@retrodev.com>
parents: 1043
diff changeset
1586 num_cycles += 8;
1625555e346e Properly handle redundant prefixes
Michael Pavone <pavone@retrodev.com>
parents: 1043
diff changeset
1587 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1588 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
1589 if (inst->addr_mode != Z80_UNUSED) {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1590 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
1591 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
1592 cycles(&opts->gen, 1);
275
1a7d0a964ad2 Implement shift instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 274
diff changeset
1593 } else {
302
3b831fe32c15 More fixes for confusion between Z80_UNUSED and MODE_UNUSED
Mike Pavone <pavone@retrodev.com>
parents: 301
diff changeset
1594 src_op.mode = MODE_UNUSED;
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1595 translate_z80_reg(inst, &dst_op, opts);
275
1a7d0a964ad2 Implement shift instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 274
diff changeset
1596 }
730
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
1597 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
1598 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
1599 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
1600 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
1601 }
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
1602 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
1603 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
1604 } 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
1605 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
1606 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1607 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
1608 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_N), SZ_B);
1042
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case
Michael Pavone <pavone@retrodev.com>
parents: 1040
diff changeset
1609 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_H), SZ_B);
731
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1610 if (dst_op.mode == MODE_REG_DIRECT) {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1611 cmp_ir(code, 0, dst_op.base, SZ_B);
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1612 } else {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1613 cmp_irdisp(code, 0, dst_op.base, dst_op.disp, SZ_B);
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1614 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1615 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
1616 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
1617 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
1618 if (inst->addr_mode != Z80_UNUSED) {
593
5ef3fe516da9 Z80 core is sort of working again
Michael Pavone <pavone@retrodev.com>
parents: 592
diff changeset
1619 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
1620 if (src_op.mode != MODE_UNUSED) {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1621 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
1622 }
275
1a7d0a964ad2 Implement shift instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 274
diff changeset
1623 } else {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1624 z80_save_reg(inst, opts);
275
1a7d0a964ad2 Implement shift instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 274
diff changeset
1625 }
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
1626 break;
286
872a8911e0f4 Implemente RLD
Mike Pavone <pavone@retrodev.com>
parents: 285
diff changeset
1627 case Z80_RLD:
1044
1625555e346e Properly handle redundant prefixes
Michael Pavone <pavone@retrodev.com>
parents: 1043
diff changeset
1628 cycles(&opts->gen, num_cycles);
734
e21c274a008e Fix RLD and RRD for the case in which HL does not map to a native register
Michael Pavone <pavone@retrodev.com>
parents: 731
diff changeset
1629 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
1630 call(code, opts->read_8);
286
872a8911e0f4 Implemente RLD
Mike Pavone <pavone@retrodev.com>
parents: 285
diff changeset
1631 //Before: (HL) = 0x12, A = 0x34
872a8911e0f4 Implemente RLD
Mike Pavone <pavone@retrodev.com>
parents: 285
diff changeset
1632 //After: (HL) = 0x24, A = 0x31
734
e21c274a008e Fix RLD and RRD for the case in which HL does not map to a native register
Michael Pavone <pavone@retrodev.com>
parents: 731
diff changeset
1633 zreg_to_native(opts, Z80_A, opts->gen.scratch2);
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1634 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
1635 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
1636 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
1637 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
1638 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
1639 //opts->gen.scratch1 = 0x0124
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1640 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
1641 cycles(&opts->gen, 4);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1642 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
1643 //set flags
1042
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case
Michael Pavone <pavone@retrodev.com>
parents: 1040
diff changeset
1644 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_H), SZ_B);
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1645 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
1646 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
1647 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
1648 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
1649
734
e21c274a008e Fix RLD and RRD for the case in which HL does not map to a native register
Michael Pavone <pavone@retrodev.com>
parents: 731
diff changeset
1650 zreg_to_native(opts, Z80_HL, opts->gen.scratch2);
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1651 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
1652 call(code, opts->write_8);
286
872a8911e0f4 Implemente RLD
Mike Pavone <pavone@retrodev.com>
parents: 285
diff changeset
1653 break;
287
fb840e0a48cd Implement RRD and implement flags on RLD
Mike Pavone <pavone@retrodev.com>
parents: 286
diff changeset
1654 case Z80_RRD:
1044
1625555e346e Properly handle redundant prefixes
Michael Pavone <pavone@retrodev.com>
parents: 1043
diff changeset
1655 cycles(&opts->gen, num_cycles);
734
e21c274a008e Fix RLD and RRD for the case in which HL does not map to a native register
Michael Pavone <pavone@retrodev.com>
parents: 731
diff changeset
1656 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
1657 call(code, opts->read_8);
287
fb840e0a48cd Implement RRD and implement flags on RLD
Mike Pavone <pavone@retrodev.com>
parents: 286
diff changeset
1658 //Before: (HL) = 0x12, A = 0x34
fb840e0a48cd Implement RRD and implement flags on RLD
Mike Pavone <pavone@retrodev.com>
parents: 286
diff changeset
1659 //After: (HL) = 0x41, A = 0x32
734
e21c274a008e Fix RLD and RRD for the case in which HL does not map to a native register
Michael Pavone <pavone@retrodev.com>
parents: 731
diff changeset
1660 zreg_to_native(opts, Z80_A, opts->gen.scratch2);
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1661 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
1662 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
1663 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
1664 and_ir(code, 0xF0, opts->regs[Z80_A], SZ_B);
967
1eb616b8cbe9 Fix bug in Z80 rrd implementation. This fixes the annoying high pitched wine in Afterburner II.
Michael Pavone <pavone@retrodev.com>
parents: 966
diff changeset
1665 and_ir(code, 0xF0, opts->gen.scratch2, SZ_W);
590
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
1666 //opts->gen.scratch1 = 0x2001
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
1667 //opts->gen.scratch2 = 0x0040
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1668 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
1669 //opts->gen.scratch1 = 0x2041
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1670 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
1671 cycles(&opts->gen, 4);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1672 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
1673 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
1674 //set flags
1042
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case
Michael Pavone <pavone@retrodev.com>
parents: 1040
diff changeset
1675 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_H), SZ_B);
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1676 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
1677 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
1678 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
1679 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
1680
734
e21c274a008e Fix RLD and RRD for the case in which HL does not map to a native register
Michael Pavone <pavone@retrodev.com>
parents: 731
diff changeset
1681 zreg_to_native(opts, Z80_HL, opts->gen.scratch2);
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1682 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
1683 call(code, opts->write_8);
287
fb840e0a48cd Implement RRD and implement flags on RLD
Mike Pavone <pavone@retrodev.com>
parents: 286
diff changeset
1684 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
1685 case Z80_BIT: {
1044
1625555e346e Properly handle redundant prefixes
Michael Pavone <pavone@retrodev.com>
parents: 1043
diff changeset
1686 if (inst->addr_mode == Z80_IX_DISPLACE || inst->addr_mode == Z80_IY_DISPLACE) {
1625555e346e Properly handle redundant prefixes
Michael Pavone <pavone@retrodev.com>
parents: 1043
diff changeset
1687 num_cycles += 8;
1625555e346e Properly handle redundant prefixes
Michael Pavone <pavone@retrodev.com>
parents: 1043
diff changeset
1688 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1689 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
1690 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
1691 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
1692 src_op.base = opts->regs[z80_word_reg(inst->ea_reg)];
737
043393b79e28 Fixes for the 32-bit build accidentally introduced a bug into the 64-bit build, this commit fixes the regression
Michael Pavone <pavone@retrodev.com>
parents: 735
diff changeset
1693 src_op.mode = MODE_REG_DIRECT;
308
e0e81551fd7e Deal with the fact that there's no 8-bit version of the BT family of instructions on x86
Mike Pavone <pavone@retrodev.com>
parents: 307
diff changeset
1694 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
1695 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
1696 } 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
1697 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
1698 bit = inst->immed;
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1699 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
1700 }
239
a5bea9711a46 Implement BIT and DJNZ (tested). Fix register mapping for IYL.
Mike Pavone <pavone@retrodev.com>
parents: 238
diff changeset
1701 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
1702 //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
1703 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
1704 }
731
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1705 if (src_op.mode == MODE_REG_DIRECT) {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1706 bt_ir(code, bit, src_op.base, size);
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1707 } else {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1708 bt_irdisp(code, bit, src_op.base, src_op.disp, size);
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1709 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1710 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
1711 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
1712 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_N), SZ_B);
1042
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case
Michael Pavone <pavone@retrodev.com>
parents: 1040
diff changeset
1713 mov_irdisp(code, 1, opts->gen.context_reg, zf_off(ZF_H), SZ_B);
307
b6393b89a7e4 Complete flag behavior for Z80 BIT instruction
Mike Pavone <pavone@retrodev.com>
parents: 306
diff changeset
1714 if (inst->immed == 7) {
731
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1715 if (src_op.mode == MODE_REG_DIRECT) {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1716 cmp_ir(code, 0, src_op.base, size);
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1717 } else {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1718 cmp_irdisp(code, 0, src_op.base, src_op.disp, size);
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1719 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1720 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
1721 } else {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1722 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
1723 }
239
a5bea9711a46 Implement BIT and DJNZ (tested). Fix register mapping for IYL.
Mike Pavone <pavone@retrodev.com>
parents: 238
diff changeset
1724 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
1725 }
e0e81551fd7e Deal with the fact that there's no 8-bit version of the BT family of instructions on x86
Mike Pavone <pavone@retrodev.com>
parents: 307
diff changeset
1726 case Z80_SET: {
1044
1625555e346e Properly handle redundant prefixes
Michael Pavone <pavone@retrodev.com>
parents: 1043
diff changeset
1727 if (inst->addr_mode == Z80_IX_DISPLACE || inst->addr_mode == Z80_IY_DISPLACE) {
1625555e346e Properly handle redundant prefixes
Michael Pavone <pavone@retrodev.com>
parents: 1043
diff changeset
1728 num_cycles += 8;
1625555e346e Properly handle redundant prefixes
Michael Pavone <pavone@retrodev.com>
parents: 1043
diff changeset
1729 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1730 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
1731 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
1732 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
1733 src_op.base = opts->regs[z80_word_reg(inst->ea_reg)];
737
043393b79e28 Fixes for the 32-bit build accidentally introduced a bug into the 64-bit build, this commit fixes the regression
Michael Pavone <pavone@retrodev.com>
parents: 735
diff changeset
1734 src_op.mode = MODE_REG_DIRECT;
308
e0e81551fd7e Deal with the fact that there's no 8-bit version of the BT family of instructions on x86
Mike Pavone <pavone@retrodev.com>
parents: 307
diff changeset
1735 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
1736 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
1737 } 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
1738 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
1739 bit = inst->immed;
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1740 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
1741 }
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
1742 if (inst->reg != Z80_USE_IMMED) {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1743 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
1744 }
247
682e505f5757 Implement rotation and bit set/reset instructions (untested).
Mike Pavone <pavone@retrodev.com>
parents: 246
diff changeset
1745 if (inst->addr_mode != Z80_REG) {
682e505f5757 Implement rotation and bit set/reset instructions (untested).
Mike Pavone <pavone@retrodev.com>
parents: 246
diff changeset
1746 //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
1747 cycles(&opts->gen, 1);
247
682e505f5757 Implement rotation and bit set/reset instructions (untested).
Mike Pavone <pavone@retrodev.com>
parents: 246
diff changeset
1748 }
731
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1749 if (src_op.mode == MODE_REG_DIRECT) {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1750 bts_ir(code, bit, src_op.base, size);
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1751 } else {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1752 bts_irdisp(code, bit, src_op.base, src_op.disp, size);
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1753 }
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
1754 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
1755 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
1756 #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
1757 if (dst_op.base >= R8) {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1758 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
1759 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
1760 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
1761 } 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
1762 #endif
731
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1763 if (dst_op.mode == MODE_REG_DIRECT) {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1764 zreg_to_native(opts, inst->ea_reg, dst_op.base);
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1765 } else {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1766 zreg_to_native(opts, inst->ea_reg, opts->gen.scratch1);
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1767 mov_rrdisp(code, opts->gen.scratch1, dst_op.base, dst_op.disp, SZ_B);
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1768 }
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
1769 #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
1770 }
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
1771 #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
1772 } else {
731
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1773 if (dst_op.mode == MODE_REG_DIRECT) {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1774 if (src_op.mode == MODE_REG_DIRECT) {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1775 mov_rr(code, src_op.base, dst_op.base, SZ_B);
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1776 } else {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1777 mov_rdispr(code, src_op.base, src_op.disp, dst_op.base, SZ_B);
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1778 }
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1779 } else if (src_op.mode == MODE_REG_DIRECT) {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1780 mov_rrdisp(code, src_op.base, dst_op.base, dst_op.disp, SZ_B);
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1781 } else {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1782 mov_rdispr(code, src_op.base, src_op.disp, opts->gen.scratch1, SZ_B);
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1783 mov_rrdisp(code, opts->gen.scratch1, dst_op.base, dst_op.disp, SZ_B);
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1784 }
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
1785 }
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
1786 }
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
1787 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
1788 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
1789 if (inst->reg != Z80_USE_IMMED) {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1790 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
1791 }
e0e81551fd7e Deal with the fact that there's no 8-bit version of the BT family of instructions on x86
Mike Pavone <pavone@retrodev.com>
parents: 307
diff changeset
1792 }
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
1793 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
1794 }
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
1795 case Z80_RES: {
1044
1625555e346e Properly handle redundant prefixes
Michael Pavone <pavone@retrodev.com>
parents: 1043
diff changeset
1796 if (inst->addr_mode == Z80_IX_DISPLACE || inst->addr_mode == Z80_IY_DISPLACE) {
1625555e346e Properly handle redundant prefixes
Michael Pavone <pavone@retrodev.com>
parents: 1043
diff changeset
1797 num_cycles += 8;
1625555e346e Properly handle redundant prefixes
Michael Pavone <pavone@retrodev.com>
parents: 1043
diff changeset
1798 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1799 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
1800 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
1801 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
1802 src_op.base = opts->regs[z80_word_reg(inst->ea_reg)];
737
043393b79e28 Fixes for the 32-bit build accidentally introduced a bug into the 64-bit build, this commit fixes the regression
Michael Pavone <pavone@retrodev.com>
parents: 735
diff changeset
1803 src_op.mode = MODE_REG_DIRECT;
308
e0e81551fd7e Deal with the fact that there's no 8-bit version of the BT family of instructions on x86
Mike Pavone <pavone@retrodev.com>
parents: 307
diff changeset
1804 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
1805 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
1806 } 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
1807 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
1808 bit = inst->immed;
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1809 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
1810 }
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
1811 if (inst->reg != Z80_USE_IMMED) {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1812 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
1813 }
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
1814 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
1815 //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
1816 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
1817 }
731
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1818 if (src_op.mode == MODE_REG_DIRECT) {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1819 btr_ir(code, bit, src_op.base, size);
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1820 } else {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1821 btr_irdisp(code, bit, src_op.base, src_op.disp, size);
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1822 }
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
1823 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
1824 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
1825 #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
1826 if (dst_op.base >= R8) {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1827 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
1828 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
1829 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
1830 } 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
1831 #endif
731
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1832 if (dst_op.mode == MODE_REG_DIRECT) {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1833 zreg_to_native(opts, inst->ea_reg, dst_op.base);
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1834 } else {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1835 zreg_to_native(opts, inst->ea_reg, opts->gen.scratch1);
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1836 mov_rrdisp(code, opts->gen.scratch1, dst_op.base, dst_op.disp, SZ_B);
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1837 }
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
1838 #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
1839 }
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
1840 #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
1841 } else {
731
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1842 if (dst_op.mode == MODE_REG_DIRECT) {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1843 if (src_op.mode == MODE_REG_DIRECT) {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1844 mov_rr(code, src_op.base, dst_op.base, SZ_B);
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1845 } else {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1846 mov_rdispr(code, src_op.base, src_op.disp, dst_op.base, SZ_B);
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1847 }
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1848 } else if (src_op.mode == MODE_REG_DIRECT) {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1849 mov_rrdisp(code, src_op.base, dst_op.base, dst_op.disp, SZ_B);
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1850 } else {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1851 mov_rdispr(code, src_op.base, src_op.disp, opts->gen.scratch1, SZ_B);
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1852 mov_rrdisp(code, opts->gen.scratch1, dst_op.base, dst_op.disp, SZ_B);
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1853 }
308
e0e81551fd7e Deal with the fact that there's no 8-bit version of the BT family of instructions on x86
Mike Pavone <pavone@retrodev.com>
parents: 307
diff changeset
1854 }
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
1855 }
247
682e505f5757 Implement rotation and bit set/reset instructions (untested).
Mike Pavone <pavone@retrodev.com>
parents: 246
diff changeset
1856 if (inst->addr_mode != Z80_REG) {
593
5ef3fe516da9 Z80 core is sort of working again
Michael Pavone <pavone@retrodev.com>
parents: 592
diff changeset
1857 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
1858 if (inst->reg != Z80_USE_IMMED) {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1859 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
1860 }
247
682e505f5757 Implement rotation and bit set/reset instructions (untested).
Mike Pavone <pavone@retrodev.com>
parents: 246
diff changeset
1861 }
682e505f5757 Implement rotation and bit set/reset instructions (untested).
Mike Pavone <pavone@retrodev.com>
parents: 246
diff changeset
1862 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
1863 }
236
19fb3523a9e5 Implement more Z80 instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 235
diff changeset
1864 case Z80_JP: {
506
a3b48a57e847 Fix timing of certain ld and jp instructions in the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 505
diff changeset
1865 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
1866 num_cycles += 6;
236
19fb3523a9e5 Implement more Z80 instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 235
diff changeset
1867 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1868 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
1869 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
1870 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
1871 if (!call_dst) {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1872 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
1873 //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
1874 call_dst = code->cur + 256;
236
19fb3523a9e5 Implement more Z80 instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 235
diff changeset
1875 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1876 jmp(code, call_dst);
236
19fb3523a9e5 Implement more Z80 instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 235
diff changeset
1877 } else {
239
a5bea9711a46 Implement BIT and DJNZ (tested). Fix register mapping for IYL.
Mike Pavone <pavone@retrodev.com>
parents: 238
diff changeset
1878 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
1879 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
1880 } else {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1881 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
1882 }
593
5ef3fe516da9 Z80 core is sort of working again
Michael Pavone <pavone@retrodev.com>
parents: 592
diff changeset
1883 call(code, opts->native_addr);
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1884 jmp_r(code, opts->gen.scratch1);
236
19fb3523a9e5 Implement more Z80 instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 235
diff changeset
1885 }
19fb3523a9e5 Implement more Z80 instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 235
diff changeset
1886 break;
19fb3523a9e5 Implement more Z80 instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 235
diff changeset
1887 }
19fb3523a9e5 Implement more Z80 instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 235
diff changeset
1888 case Z80_JPCC: {
1044
1625555e346e Properly handle redundant prefixes
Michael Pavone <pavone@retrodev.com>
parents: 1043
diff changeset
1889 cycles(&opts->gen, num_cycles + 3);//T States: 4,3
236
19fb3523a9e5 Implement more Z80 instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 235
diff changeset
1890 uint8_t cond = CC_Z;
19fb3523a9e5 Implement more Z80 instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 235
diff changeset
1891 switch (inst->reg)
19fb3523a9e5 Implement more Z80 instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 235
diff changeset
1892 {
19fb3523a9e5 Implement more Z80 instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 235
diff changeset
1893 case Z80_CC_NZ:
19fb3523a9e5 Implement more Z80 instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 235
diff changeset
1894 cond = CC_NZ;
19fb3523a9e5 Implement more Z80 instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 235
diff changeset
1895 case Z80_CC_Z:
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1896 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
1897 break;
19fb3523a9e5 Implement more Z80 instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 235
diff changeset
1898 case Z80_CC_NC:
19fb3523a9e5 Implement more Z80 instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 235
diff changeset
1899 cond = CC_NZ;
19fb3523a9e5 Implement more Z80 instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 235
diff changeset
1900 case Z80_CC_C:
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1901 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
1902 break;
238
827ebce557bf Added the rest of the conditions to JPCC, implemented CALLCC (untested)
Mike Pavone <pavone@retrodev.com>
parents: 236
diff changeset
1903 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
1904 cond = CC_NZ;
827ebce557bf Added the rest of the conditions to JPCC, implemented CALLCC (untested)
Mike Pavone <pavone@retrodev.com>
parents: 236
diff changeset
1905 case Z80_CC_PE:
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1906 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
1907 break;
827ebce557bf Added the rest of the conditions to JPCC, implemented CALLCC (untested)
Mike Pavone <pavone@retrodev.com>
parents: 236
diff changeset
1908 case Z80_CC_P:
367
f20562f2a570 Fix P condition in Z80 core
Mike Pavone <pavone@retrodev.com>
parents: 366
diff changeset
1909 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
1910 case Z80_CC_M:
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1911 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
1912 break;
236
19fb3523a9e5 Implement more Z80 instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 235
diff changeset
1913 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1914 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
1915 jcc(code, cond, code->cur+2);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1916 cycles(&opts->gen, 5);//T States: 5
236
19fb3523a9e5 Implement more Z80 instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 235
diff changeset
1917 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
1918 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
1919 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
1920 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
1921 //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
1922 call_dst = code->cur + 256;
236
19fb3523a9e5 Implement more Z80 instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 235
diff changeset
1923 }
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
1924 jmp(code, call_dst);
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1925 *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
1926 break;
19fb3523a9e5 Implement more Z80 instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 235
diff changeset
1927 }
19fb3523a9e5 Implement more Z80 instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 235
diff changeset
1928 case Z80_JR: {
1044
1625555e346e Properly handle redundant prefixes
Michael Pavone <pavone@retrodev.com>
parents: 1043
diff changeset
1929 cycles(&opts->gen, num_cycles + 8);//T States: 4,3,5
236
19fb3523a9e5 Implement more Z80 instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 235
diff changeset
1930 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
1931 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
1932 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
1933 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
1934 //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
1935 call_dst = code->cur + 256;
236
19fb3523a9e5 Implement more Z80 instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 235
diff changeset
1936 }
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
1937 jmp(code, call_dst);
236
19fb3523a9e5 Implement more Z80 instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 235
diff changeset
1938 break;
19fb3523a9e5 Implement more Z80 instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 235
diff changeset
1939 }
235
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
1940 case Z80_JRCC: {
1044
1625555e346e Properly handle redundant prefixes
Michael Pavone <pavone@retrodev.com>
parents: 1043
diff changeset
1941 cycles(&opts->gen, num_cycles + 3);//T States: 4,3
235
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
1942 uint8_t cond = CC_Z;
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
1943 switch (inst->reg)
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
1944 {
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
1945 case Z80_CC_NZ:
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
1946 cond = CC_NZ;
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
1947 case Z80_CC_Z:
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1948 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
1949 break;
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
1950 case Z80_CC_NC:
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
1951 cond = CC_NZ;
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
1952 case Z80_CC_C:
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1953 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
1954 break;
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
1955 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1956 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
1957 jcc(code, cond, code->cur+2);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1958 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
1959 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
1960 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
1961 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
1962 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
1963 //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
1964 call_dst = code->cur + 256;
235
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
1965 }
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
1966 jmp(code, call_dst);
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1967 *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
1968 break;
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
1969 }
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
1970 case Z80_DJNZ: {
1044
1625555e346e Properly handle redundant prefixes
Michael Pavone <pavone@retrodev.com>
parents: 1043
diff changeset
1971 cycles(&opts->gen, num_cycles + 4);//T States: 5,3
730
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
1972 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
1973 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
1974 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
1975 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
1976 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1977 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
1978 jcc(code, CC_Z, code->cur+2);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1979 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
1980 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
1981 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
1982 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
1983 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
1984 //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
1985 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
1986 }
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
1987 jmp(code, call_dst);
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1988 *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
1989 break;
a5bea9711a46 Implement BIT and DJNZ (tested). Fix register mapping for IYL.
Mike Pavone <pavone@retrodev.com>
parents: 238
diff changeset
1990 }
235
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
1991 case Z80_CALL: {
1044
1625555e346e Properly handle redundant prefixes
Michael Pavone <pavone@retrodev.com>
parents: 1043
diff changeset
1992 cycles(&opts->gen, num_cycles + 7);//T States: 4,3,4
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1993 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
1994 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
1995 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
1996 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
1997 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
1998 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
1999 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
2000 //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
2001 call_dst = code->cur + 256;
235
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2002 }
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
2003 jmp(code, call_dst);
235
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2004 break;
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2005 }
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
2006 case Z80_CALLCC: {
1044
1625555e346e Properly handle redundant prefixes
Michael Pavone <pavone@retrodev.com>
parents: 1043
diff changeset
2007 cycles(&opts->gen, num_cycles + 6);//T States: 4,3,3 (false case)
238
827ebce557bf Added the rest of the conditions to JPCC, implemented CALLCC (untested)
Mike Pavone <pavone@retrodev.com>
parents: 236
diff changeset
2008 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
2009 switch (inst->reg)
827ebce557bf Added the rest of the conditions to JPCC, implemented CALLCC (untested)
Mike Pavone <pavone@retrodev.com>
parents: 236
diff changeset
2010 {
827ebce557bf Added the rest of the conditions to JPCC, implemented CALLCC (untested)
Mike Pavone <pavone@retrodev.com>
parents: 236
diff changeset
2011 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
2012 cond = CC_NZ;
827ebce557bf Added the rest of the conditions to JPCC, implemented CALLCC (untested)
Mike Pavone <pavone@retrodev.com>
parents: 236
diff changeset
2013 case Z80_CC_Z:
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
2014 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
2015 break;
827ebce557bf Added the rest of the conditions to JPCC, implemented CALLCC (untested)
Mike Pavone <pavone@retrodev.com>
parents: 236
diff changeset
2016 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
2017 cond = CC_NZ;
827ebce557bf Added the rest of the conditions to JPCC, implemented CALLCC (untested)
Mike Pavone <pavone@retrodev.com>
parents: 236
diff changeset
2018 case Z80_CC_C:
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
2019 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
2020 break;
827ebce557bf Added the rest of the conditions to JPCC, implemented CALLCC (untested)
Mike Pavone <pavone@retrodev.com>
parents: 236
diff changeset
2021 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
2022 cond = CC_NZ;
827ebce557bf Added the rest of the conditions to JPCC, implemented CALLCC (untested)
Mike Pavone <pavone@retrodev.com>
parents: 236
diff changeset
2023 case Z80_CC_PE:
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
2024 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
2025 break;
827ebce557bf Added the rest of the conditions to JPCC, implemented CALLCC (untested)
Mike Pavone <pavone@retrodev.com>
parents: 236
diff changeset
2026 case Z80_CC_P:
367
f20562f2a570 Fix P condition in Z80 core
Mike Pavone <pavone@retrodev.com>
parents: 366
diff changeset
2027 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
2028 case Z80_CC_M:
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
2029 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
2030 break;
827ebce557bf Added the rest of the conditions to JPCC, implemented CALLCC (untested)
Mike Pavone <pavone@retrodev.com>
parents: 236
diff changeset
2031 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
2032 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
2033 jcc(code, cond, code->cur+2);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
2034 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
2035 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
2036 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
2037 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
2038 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
2039 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
2040 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
2041 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
2042 //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
2043 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
2044 }
653
a18e3923481e Remove some of the hard coded assumptions about the memory map from the CPU cores
Michael Pavone <pavone@retrodev.com>
parents: 652
diff changeset
2045 jmp(code, call_dst);
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
2046 *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
2047 break;
682
Michael Pavone <pavone@retrodev.com>
parents: 676 559
diff changeset
2048 }
213
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
2049 case Z80_RET:
1044
1625555e346e Properly handle redundant prefixes
Michael Pavone <pavone@retrodev.com>
parents: 1043
diff changeset
2050 cycles(&opts->gen, num_cycles);//T States: 4
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
2051 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
2052 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
2053 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
2054 call(code, opts->native_addr);
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
2055 jmp_r(code, opts->gen.scratch1);
235
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2056 break;
246
ed548c77b598 Implement RETCC in Z80 core.
Mike Pavone <pavone@retrodev.com>
parents: 243
diff changeset
2057 case Z80_RETCC: {
1044
1625555e346e Properly handle redundant prefixes
Michael Pavone <pavone@retrodev.com>
parents: 1043
diff changeset
2058 cycles(&opts->gen, num_cycles + 1);//T States: 5
246
ed548c77b598 Implement RETCC in Z80 core.
Mike Pavone <pavone@retrodev.com>
parents: 243
diff changeset
2059 uint8_t cond = CC_Z;
ed548c77b598 Implement RETCC in Z80 core.
Mike Pavone <pavone@retrodev.com>
parents: 243
diff changeset
2060 switch (inst->reg)
ed548c77b598 Implement RETCC in Z80 core.
Mike Pavone <pavone@retrodev.com>
parents: 243
diff changeset
2061 {
ed548c77b598 Implement RETCC in Z80 core.
Mike Pavone <pavone@retrodev.com>
parents: 243
diff changeset
2062 case Z80_CC_NZ:
ed548c77b598 Implement RETCC in Z80 core.
Mike Pavone <pavone@retrodev.com>
parents: 243
diff changeset
2063 cond = CC_NZ;
ed548c77b598 Implement RETCC in Z80 core.
Mike Pavone <pavone@retrodev.com>
parents: 243
diff changeset
2064 case Z80_CC_Z:
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
2065 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
2066 break;
ed548c77b598 Implement RETCC in Z80 core.
Mike Pavone <pavone@retrodev.com>
parents: 243
diff changeset
2067 case Z80_CC_NC:
ed548c77b598 Implement RETCC in Z80 core.
Mike Pavone <pavone@retrodev.com>
parents: 243
diff changeset
2068 cond = CC_NZ;
ed548c77b598 Implement RETCC in Z80 core.
Mike Pavone <pavone@retrodev.com>
parents: 243
diff changeset
2069 case Z80_CC_C:
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
2070 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
2071 break;
ed548c77b598 Implement RETCC in Z80 core.
Mike Pavone <pavone@retrodev.com>
parents: 243
diff changeset
2072 case Z80_CC_PO:
ed548c77b598 Implement RETCC in Z80 core.
Mike Pavone <pavone@retrodev.com>
parents: 243
diff changeset
2073 cond = CC_NZ;
ed548c77b598 Implement RETCC in Z80 core.
Mike Pavone <pavone@retrodev.com>
parents: 243
diff changeset
2074 case Z80_CC_PE:
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
2075 cmp_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_PV), SZ_B);
246
ed548c77b598 Implement RETCC in Z80 core.
Mike Pavone <pavone@retrodev.com>
parents: 243
diff changeset
2076 break;
ed548c77b598 Implement RETCC in Z80 core.
Mike Pavone <pavone@retrodev.com>
parents: 243
diff changeset
2077 case Z80_CC_P:
367
f20562f2a570 Fix P condition in Z80 core
Mike Pavone <pavone@retrodev.com>
parents: 366
diff changeset
2078 cond = CC_NZ;
246
ed548c77b598 Implement RETCC in Z80 core.
Mike Pavone <pavone@retrodev.com>
parents: 243
diff changeset
2079 case Z80_CC_M:
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
2080 cmp_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_S), SZ_B);
246
ed548c77b598 Implement RETCC in Z80 core.
Mike Pavone <pavone@retrodev.com>
parents: 243
diff changeset
2081 break;
ed548c77b598 Implement RETCC in Z80 core.
Mike Pavone <pavone@retrodev.com>
parents: 243
diff changeset
2082 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
2083 uint8_t *no_call_off = code->cur+1;
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
2084 jcc(code, cond, code->cur+2);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
2085 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
2086 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
2087 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
2088 call(code, opts->native_addr);
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
2089 jmp_r(code, opts->gen.scratch1);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
2090 *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
2091 break;
ed548c77b598 Implement RETCC in Z80 core.
Mike Pavone <pavone@retrodev.com>
parents: 243
diff changeset
2092 }
283
61f5d88ea01a Implement RETI and RETN (untested). Cleanup tests for "terminal" instructions.
Mike Pavone <pavone@retrodev.com>
parents: 282
diff changeset
2093 case Z80_RETI:
61f5d88ea01a Implement RETI and RETN (untested). Cleanup tests for "terminal" instructions.
Mike Pavone <pavone@retrodev.com>
parents: 282
diff changeset
2094 //For some systems, this may need a callback for signalling interrupt routine completion
1044
1625555e346e Properly handle redundant prefixes
Michael Pavone <pavone@retrodev.com>
parents: 1043
diff changeset
2095 cycles(&opts->gen, num_cycles);//T States: 4, 4
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
2096 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
2097 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
2098 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
2099 call(code, opts->native_addr);
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
2100 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
2101 break;
61f5d88ea01a Implement RETI and RETN (untested). Cleanup tests for "terminal" instructions.
Mike Pavone <pavone@retrodev.com>
parents: 282
diff changeset
2102 case Z80_RETN:
1044
1625555e346e Properly handle redundant prefixes
Michael Pavone <pavone@retrodev.com>
parents: 1043
diff changeset
2103 cycles(&opts->gen, num_cycles);//T States: 4, 4
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
2104 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
2105 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
2106 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
2107 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
2108 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
2109 call(code, opts->native_addr);
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
2110 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
2111 break;
241
2586d49ddd46 Implement EX, EXX and RST in Z80 core
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
2112 case Z80_RST: {
2586d49ddd46 Implement EX, EXX and RST in Z80 core
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
2113 //RST is basically CALL to an address in page 0
1044
1625555e346e Properly handle redundant prefixes
Michael Pavone <pavone@retrodev.com>
parents: 1043
diff changeset
2114 cycles(&opts->gen, num_cycles + 1);//T States: 5
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
2115 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
2116 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
2117 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
2118 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
2119 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
2120 if (!call_dst) {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
2121 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
2122 //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
2123 call_dst = code->cur + 256;
241
2586d49ddd46 Implement EX, EXX and RST in Z80 core
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
2124 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
2125 jmp(code, call_dst);
241
2586d49ddd46 Implement EX, EXX and RST in Z80 core
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
2126 break;
2586d49ddd46 Implement EX, EXX and RST in Z80 core
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
2127 }
284
ed7098f717d7 Implement IN and OUT (untested)
Mike Pavone <pavone@retrodev.com>
parents: 283
diff changeset
2128 case Z80_IN:
1044
1625555e346e Properly handle redundant prefixes
Michael Pavone <pavone@retrodev.com>
parents: 1043
diff changeset
2129 if (inst->addr_mode == Z80_IMMED_INDIRECT) {
1625555e346e Properly handle redundant prefixes
Michael Pavone <pavone@retrodev.com>
parents: 1043
diff changeset
2130 num_cycles += 3;
1625555e346e Properly handle redundant prefixes
Michael Pavone <pavone@retrodev.com>
parents: 1043
diff changeset
2131 }
1625555e346e Properly handle redundant prefixes
Michael Pavone <pavone@retrodev.com>
parents: 1043
diff changeset
2132 cycles(&opts->gen, num_cycles);//T States: 4 3/4
284
ed7098f717d7 Implement IN and OUT (untested)
Mike Pavone <pavone@retrodev.com>
parents: 283
diff changeset
2133 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
2134 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
2135 } else {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
2136 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
2137 }
593
5ef3fe516da9 Z80 core is sort of working again
Michael Pavone <pavone@retrodev.com>
parents: 592
diff changeset
2138 call(code, opts->read_io);
1042
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case
Michael Pavone <pavone@retrodev.com>
parents: 1040
diff changeset
2139 if (inst->addr_mode != Z80_IMMED_INDIRECT) {
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case
Michael Pavone <pavone@retrodev.com>
parents: 1040
diff changeset
2140 or_rr(code, opts->gen.scratch1, opts->gen.scratch1, SZ_B);
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case
Michael Pavone <pavone@retrodev.com>
parents: 1040
diff changeset
2141 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_H), SZ_B);
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case
Michael Pavone <pavone@retrodev.com>
parents: 1040
diff changeset
2142 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_N), SZ_B);
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case
Michael Pavone <pavone@retrodev.com>
parents: 1040
diff changeset
2143 setcc_rdisp(code, CC_P, opts->gen.context_reg, zf_off(ZF_PV));
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case
Michael Pavone <pavone@retrodev.com>
parents: 1040
diff changeset
2144 setcc_rdisp(code, CC_Z, opts->gen.context_reg, zf_off(ZF_Z));
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case
Michael Pavone <pavone@retrodev.com>
parents: 1040
diff changeset
2145 setcc_rdisp(code, CC_S, opts->gen.context_reg, zf_off(ZF_S));
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case
Michael Pavone <pavone@retrodev.com>
parents: 1040
diff changeset
2146 }
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case
Michael Pavone <pavone@retrodev.com>
parents: 1040
diff changeset
2147 if (inst->reg != Z80_UNUSED) {
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case
Michael Pavone <pavone@retrodev.com>
parents: 1040
diff changeset
2148 translate_z80_reg(inst, &dst_op, opts);
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case
Michael Pavone <pavone@retrodev.com>
parents: 1040
diff changeset
2149 if (dst_op.mode == MODE_REG_DIRECT) {
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case
Michael Pavone <pavone@retrodev.com>
parents: 1040
diff changeset
2150 mov_rr(code, opts->gen.scratch1, dst_op.base, SZ_B);
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case
Michael Pavone <pavone@retrodev.com>
parents: 1040
diff changeset
2151 } else {
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case
Michael Pavone <pavone@retrodev.com>
parents: 1040
diff changeset
2152 mov_rrdisp(code, opts->gen.scratch1, dst_op.base, dst_op.disp, SZ_B);
a6c6b621d0dc Implement Z80 DAA. Implement half-carry flag for the rest of the "easy" cases. Implement flags for IN instruction. Fix implementation of IN for IN F, (C) case
Michael Pavone <pavone@retrodev.com>
parents: 1040
diff changeset
2153 }
735
539d12fa6a4d Add a define in both the source and Makefile for enabling logging of z80 instruction address/cycle counts. Fix Z80 in/out instructions to eliminate assumptions about which registers are stored in native regs. Fix read_16 to not corrupt the low byte when the read has to call into a C function.
Michael Pavone <pavone@retrodev.com>
parents: 734
diff changeset
2154 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
2155 z80_save_reg(inst, opts);
284
ed7098f717d7 Implement IN and OUT (untested)
Mike Pavone <pavone@retrodev.com>
parents: 283
diff changeset
2156 break;
ed7098f717d7 Implement IN and OUT (untested)
Mike Pavone <pavone@retrodev.com>
parents: 283
diff changeset
2157 /*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
2158 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
2159 case Z80_IND:
284
ed7098f717d7 Implement IN and OUT (untested)
Mike Pavone <pavone@retrodev.com>
parents: 283
diff changeset
2160 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
2161 case Z80_OUT:
1044
1625555e346e Properly handle redundant prefixes
Michael Pavone <pavone@retrodev.com>
parents: 1043
diff changeset
2162 if (inst->reg == Z80_A) {
1625555e346e Properly handle redundant prefixes
Michael Pavone <pavone@retrodev.com>
parents: 1043
diff changeset
2163 num_cycles += 3;
1625555e346e Properly handle redundant prefixes
Michael Pavone <pavone@retrodev.com>
parents: 1043
diff changeset
2164 }
1625555e346e Properly handle redundant prefixes
Michael Pavone <pavone@retrodev.com>
parents: 1043
diff changeset
2165 cycles(&opts->gen, num_cycles);//T States: 4 3/4
284
ed7098f717d7 Implement IN and OUT (untested)
Mike Pavone <pavone@retrodev.com>
parents: 283
diff changeset
2166 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
2167 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
2168 } else {
735
539d12fa6a4d Add a define in both the source and Makefile for enabling logging of z80 instruction address/cycle counts. Fix Z80 in/out instructions to eliminate assumptions about which registers are stored in native regs. Fix read_16 to not corrupt the low byte when the read has to call into a C function.
Michael Pavone <pavone@retrodev.com>
parents: 734
diff changeset
2169 zreg_to_native(opts, Z80_C, opts->gen.scratch2);
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
2170 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
2171 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
2172 translate_z80_reg(inst, &src_op, opts);
735
539d12fa6a4d Add a define in both the source and Makefile for enabling logging of z80 instruction address/cycle counts. Fix Z80 in/out instructions to eliminate assumptions about which registers are stored in native regs. Fix read_16 to not corrupt the low byte when the read has to call into a C function.
Michael Pavone <pavone@retrodev.com>
parents: 734
diff changeset
2173 if (src_op.mode == MODE_REG_DIRECT) {
539d12fa6a4d Add a define in both the source and Makefile for enabling logging of z80 instruction address/cycle counts. Fix Z80 in/out instructions to eliminate assumptions about which registers are stored in native regs. Fix read_16 to not corrupt the low byte when the read has to call into a C function.
Michael Pavone <pavone@retrodev.com>
parents: 734
diff changeset
2174 mov_rr(code, src_op.base, opts->gen.scratch1, SZ_B);
539d12fa6a4d Add a define in both the source and Makefile for enabling logging of z80 instruction address/cycle counts. Fix Z80 in/out instructions to eliminate assumptions about which registers are stored in native regs. Fix read_16 to not corrupt the low byte when the read has to call into a C function.
Michael Pavone <pavone@retrodev.com>
parents: 734
diff changeset
2175 } else if (src_op.mode == MODE_IMMED) {
539d12fa6a4d Add a define in both the source and Makefile for enabling logging of z80 instruction address/cycle counts. Fix Z80 in/out instructions to eliminate assumptions about which registers are stored in native regs. Fix read_16 to not corrupt the low byte when the read has to call into a C function.
Michael Pavone <pavone@retrodev.com>
parents: 734
diff changeset
2176 mov_ir(code, src_op.disp, opts->gen.scratch1, SZ_B);
539d12fa6a4d Add a define in both the source and Makefile for enabling logging of z80 instruction address/cycle counts. Fix Z80 in/out instructions to eliminate assumptions about which registers are stored in native regs. Fix read_16 to not corrupt the low byte when the read has to call into a C function.
Michael Pavone <pavone@retrodev.com>
parents: 734
diff changeset
2177 } else {
539d12fa6a4d Add a define in both the source and Makefile for enabling logging of z80 instruction address/cycle counts. Fix Z80 in/out instructions to eliminate assumptions about which registers are stored in native regs. Fix read_16 to not corrupt the low byte when the read has to call into a C function.
Michael Pavone <pavone@retrodev.com>
parents: 734
diff changeset
2178 mov_rdispr(code, src_op.base, src_op.disp, opts->gen.scratch1, SZ_B);
539d12fa6a4d Add a define in both the source and Makefile for enabling logging of z80 instruction address/cycle counts. Fix Z80 in/out instructions to eliminate assumptions about which registers are stored in native regs. Fix read_16 to not corrupt the low byte when the read has to call into a C function.
Michael Pavone <pavone@retrodev.com>
parents: 734
diff changeset
2179 }
593
5ef3fe516da9 Z80 core is sort of working again
Michael Pavone <pavone@retrodev.com>
parents: 592
diff changeset
2180 call(code, opts->write_io);
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
2181 z80_save_reg(inst, opts);
284
ed7098f717d7 Implement IN and OUT (untested)
Mike Pavone <pavone@retrodev.com>
parents: 283
diff changeset
2182 break;
1040
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2183 case Z80_OUTI:
1044
1625555e346e Properly handle redundant prefixes
Michael Pavone <pavone@retrodev.com>
parents: 1043
diff changeset
2184 cycles(&opts->gen, num_cycles + 1);//T States: 4, 5
1040
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2185 //read from (HL)
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2186 zreg_to_native(opts, Z80_HL, opts->gen.scratch1);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2187 call(code, opts->read_8);//T states 3
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2188 //undocumented N flag behavior
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2189 //flag set on bit 7 of value written
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2190 bt_ir(code, 7, opts->gen.scratch1, SZ_B);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2191 setcc_rdisp(code, CC_NC, opts->gen.context_reg, zf_off(ZF_N));
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2192 //write to IO (C)
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2193 zreg_to_native(opts, Z80_C, opts->gen.scratch2);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2194 call(code, opts->write_io);//T states 4
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2195 //increment HL
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2196 if (opts->regs[Z80_HL] >= 0) {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2197 add_ir(code, 1, opts->regs[Z80_HL], SZ_W);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2198 add_rr(code, opts->regs[Z80_L], opts->gen.scratch1, SZ_B);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2199 } else {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2200 add_irdisp(code, 1, opts->gen.context_reg, zr_off(Z80_HL), SZ_B);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2201 add_rdispr(code, opts->gen.context_reg, zr_off(Z80_L), opts->gen.scratch1, SZ_B);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2202 }
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2203 //undocumented C and H flag behavior
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2204 setcc_rdisp(code, CC_C, opts->gen.context_reg, zf_off(ZF_C));
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2205 setcc_rdisp(code, CC_C, opts->gen.context_reg, zf_off(ZF_H));
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2206 //decrement B
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2207 if (opts->regs[Z80_B] >= 0) {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2208 sub_ir(code, 1, opts->regs[Z80_B], SZ_B);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2209 } else {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2210 sub_irdisp(code, 1, opts->gen.context_reg, zr_off(Z80_B), SZ_B);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2211 }
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2212 //undocumented Z and S flag behavior, set based on decrement of B
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2213 setcc_rdisp(code, CC_Z, opts->gen.context_reg, zf_off(ZF_Z));
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2214 setcc_rdisp(code, CC_S, opts->gen.context_reg, zf_off(ZF_S));
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2215 //crazy undocumented P/V flag behavior
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2216 and_ir(code, 7, opts->gen.scratch1, SZ_B);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2217 if (opts->regs[Z80_B] >= 0) {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2218 //deal with silly x86-64 restrictions on *H registers
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2219 ror_ir(code, 8, opts->regs[Z80_BC], SZ_W);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2220 xor_rr(code, opts->regs[Z80_C], opts->gen.scratch1, SZ_B);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2221 ror_ir(code, 8, opts->regs[Z80_BC], SZ_W);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2222 } else {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2223 xor_rdispr(code, opts->gen.context_reg, zr_off(Z80_B), opts->gen.scratch1, SZ_B);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2224 }
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2225 setcc_rdisp(code, CC_P, opts->gen.context_reg, zf_off(ZF_PV));
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2226 break;
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2227 case Z80_OTIR: {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2228 code_ptr start = code->cur;
1044
1625555e346e Properly handle redundant prefixes
Michael Pavone <pavone@retrodev.com>
parents: 1043
diff changeset
2229 cycles(&opts->gen, num_cycles + 1);//T States: 4, 5
1040
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2230 //read from (HL)
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2231 zreg_to_native(opts, Z80_HL, opts->gen.scratch1);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2232 call(code, opts->read_8);//T states 3
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2233 //undocumented N flag behavior
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2234 //flag set on bit 7 of value written
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2235 bt_ir(code, 7, opts->gen.scratch1, SZ_B);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2236 setcc_rdisp(code, CC_NC, opts->gen.context_reg, zf_off(ZF_N));
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2237 //write to IO (C)
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2238 zreg_to_native(opts, Z80_C, opts->gen.scratch2);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2239 call(code, opts->write_io);//T states 4
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2240 //increment HL
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2241 if (opts->regs[Z80_HL] >= 0) {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2242 add_ir(code, 1, opts->regs[Z80_HL], SZ_W);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2243 add_rr(code, opts->regs[Z80_L], opts->gen.scratch1, SZ_B);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2244 } else {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2245 add_irdisp(code, 1, opts->gen.context_reg, zr_off(Z80_HL), SZ_B);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2246 add_rdispr(code, opts->gen.context_reg, zr_off(Z80_L), opts->gen.scratch1, SZ_B);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2247 }
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2248 //undocumented C and H flag behavior
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2249 setcc_rdisp(code, CC_C, opts->gen.context_reg, zf_off(ZF_C));
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2250 setcc_rdisp(code, CC_C, opts->gen.context_reg, zf_off(ZF_H));
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2251 //decrement B
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2252 if (opts->regs[Z80_B] >= 0) {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2253 sub_ir(code, 1, opts->regs[Z80_B], SZ_B);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2254 } else {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2255 sub_irdisp(code, 1, opts->gen.context_reg, zr_off(Z80_B), SZ_B);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2256 }
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2257 //undocumented Z and S flag behavior, set based on decrement of B
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2258 setcc_rdisp(code, CC_Z, opts->gen.context_reg, zf_off(ZF_Z));
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2259 setcc_rdisp(code, CC_S, opts->gen.context_reg, zf_off(ZF_S));
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2260 //crazy undocumented P/V flag behavior
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2261 and_ir(code, 7, opts->gen.scratch1, SZ_B);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2262 if (opts->regs[Z80_B] >= 0) {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2263 //deal with silly x86-64 restrictions on *H registers
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2264 ror_ir(code, 8, opts->regs[Z80_BC], SZ_W);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2265 xor_rr(code, opts->regs[Z80_C], opts->gen.scratch1, SZ_B);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2266 ror_ir(code, 8, opts->regs[Z80_BC], SZ_W);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2267 } else {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2268 xor_rdispr(code, opts->gen.context_reg, zr_off(Z80_B), opts->gen.scratch1, SZ_B);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2269 }
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2270 setcc_rdisp(code, CC_P, opts->gen.context_reg, zf_off(ZF_PV));
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2271 if (opts->regs[Z80_B] >= 0) {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2272 cmp_ir(code, 0, opts->regs[Z80_B], SZ_B);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2273 } else {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2274 cmp_irdisp(code, 0, opts->gen.context_reg, zr_off(Z80_B), SZ_B);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2275 }
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2276 code_ptr done = code->cur+1;
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2277 jcc(code, CC_Z, code->cur+2);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2278 cycles(&opts->gen, 5);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2279 jmp(code, start);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2280 *done = code->cur - (done + 1);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2281 break;
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2282 }
213
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
2283 case Z80_OUTD:
1044
1625555e346e Properly handle redundant prefixes
Michael Pavone <pavone@retrodev.com>
parents: 1043
diff changeset
2284 cycles(&opts->gen, num_cycles + 1);//T States: 4, 5
1040
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2285 //read from (HL)
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2286 zreg_to_native(opts, Z80_HL, opts->gen.scratch1);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2287 call(code, opts->read_8);//T states 3
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2288 //undocumented N flag behavior
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2289 //flag set on bit 7 of value written
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2290 bt_ir(code, 7, opts->gen.scratch1, SZ_B);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2291 setcc_rdisp(code, CC_NC, opts->gen.context_reg, zf_off(ZF_N));
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2292 //write to IO (C)
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2293 zreg_to_native(opts, Z80_C, opts->gen.scratch2);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2294 call(code, opts->write_io);//T states 4
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2295 //decrement HL
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2296 if (opts->regs[Z80_HL] >= 0) {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2297 sub_ir(code, 1, opts->regs[Z80_HL], SZ_W);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2298 add_rr(code, opts->regs[Z80_L], opts->gen.scratch1, SZ_B);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2299 } else {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2300 sub_irdisp(code, 1, opts->gen.context_reg, zr_off(Z80_HL), SZ_B);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2301 add_rdispr(code, opts->gen.context_reg, zr_off(Z80_L), opts->gen.scratch1, SZ_B);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2302 }
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2303 //undocumented C and H flag behavior
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2304 setcc_rdisp(code, CC_C, opts->gen.context_reg, zf_off(ZF_C));
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2305 setcc_rdisp(code, CC_C, opts->gen.context_reg, zf_off(ZF_H));
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2306 //decrement B
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2307 if (opts->regs[Z80_B] >= 0) {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2308 sub_ir(code, 1, opts->regs[Z80_B], SZ_B);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2309 } else {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2310 sub_irdisp(code, 1, opts->gen.context_reg, zr_off(Z80_B), SZ_B);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2311 }
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2312 //undocumented Z and S flag behavior, set based on decrement of B
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2313 setcc_rdisp(code, CC_Z, opts->gen.context_reg, zf_off(ZF_Z));
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2314 setcc_rdisp(code, CC_S, opts->gen.context_reg, zf_off(ZF_S));
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2315 //crazy undocumented P/V flag behavior
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2316 and_ir(code, 7, opts->gen.scratch1, SZ_B);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2317 if (opts->regs[Z80_B] >= 0) {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2318 //deal with silly x86-64 restrictions on *H registers
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2319 ror_ir(code, 8, opts->regs[Z80_BC], SZ_W);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2320 xor_rr(code, opts->regs[Z80_C], opts->gen.scratch1, SZ_B);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2321 ror_ir(code, 8, opts->regs[Z80_BC], SZ_W);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2322 } else {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2323 xor_rdispr(code, opts->gen.context_reg, zr_off(Z80_B), opts->gen.scratch1, SZ_B);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2324 }
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2325 setcc_rdisp(code, CC_P, opts->gen.context_reg, zf_off(ZF_PV));
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2326 break;
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2327 case Z80_OTDR: {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2328 code_ptr start = code->cur;
1044
1625555e346e Properly handle redundant prefixes
Michael Pavone <pavone@retrodev.com>
parents: 1043
diff changeset
2329 cycles(&opts->gen, num_cycles + 1);//T States: 4, 5
1040
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2330 //read from (HL)
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2331 zreg_to_native(opts, Z80_HL, opts->gen.scratch1);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2332 call(code, opts->read_8);//T states 3
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2333 //undocumented N flag behavior
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2334 //flag set on bit 7 of value written
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2335 bt_ir(code, 7, opts->gen.scratch1, SZ_B);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2336 setcc_rdisp(code, CC_NC, opts->gen.context_reg, zf_off(ZF_N));
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2337 //write to IO (C)
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2338 zreg_to_native(opts, Z80_C, opts->gen.scratch2);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2339 call(code, opts->write_io);//T states 4
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2340 //increment HL
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2341 if (opts->regs[Z80_HL] >= 0) {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2342 sub_ir(code, 1, opts->regs[Z80_HL], SZ_W);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2343 add_rr(code, opts->regs[Z80_L], opts->gen.scratch1, SZ_B);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2344 } else {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2345 sub_irdisp(code, 1, opts->gen.context_reg, zr_off(Z80_HL), SZ_B);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2346 add_rdispr(code, opts->gen.context_reg, zr_off(Z80_L), opts->gen.scratch1, SZ_B);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2347 }
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2348 //undocumented C and H flag behavior
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2349 setcc_rdisp(code, CC_C, opts->gen.context_reg, zf_off(ZF_C));
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2350 setcc_rdisp(code, CC_C, opts->gen.context_reg, zf_off(ZF_H));
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2351 //decrement B
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2352 if (opts->regs[Z80_B] >= 0) {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2353 sub_ir(code, 1, opts->regs[Z80_B], SZ_B);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2354 } else {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2355 sub_irdisp(code, 1, opts->gen.context_reg, zr_off(Z80_B), SZ_B);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2356 }
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2357 //undocumented Z and S flag behavior, set based on decrement of B
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2358 setcc_rdisp(code, CC_Z, opts->gen.context_reg, zf_off(ZF_Z));
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2359 setcc_rdisp(code, CC_S, opts->gen.context_reg, zf_off(ZF_S));
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2360 //crazy undocumented P/V flag behavior
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2361 and_ir(code, 7, opts->gen.scratch1, SZ_B);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2362 if (opts->regs[Z80_B] >= 0) {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2363 //deal with silly x86-64 restrictions on *H registers
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2364 ror_ir(code, 8, opts->regs[Z80_BC], SZ_W);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2365 xor_rr(code, opts->regs[Z80_C], opts->gen.scratch1, SZ_B);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2366 ror_ir(code, 8, opts->regs[Z80_BC], SZ_W);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2367 } else {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2368 xor_rdispr(code, opts->gen.context_reg, zr_off(Z80_B), opts->gen.scratch1, SZ_B);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2369 }
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2370 setcc_rdisp(code, CC_P, opts->gen.context_reg, zf_off(ZF_PV));
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2371 if (opts->regs[Z80_B] >= 0) {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2372 cmp_ir(code, 0, opts->regs[Z80_B], SZ_B);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2373 } else {
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2374 cmp_irdisp(code, 0, opts->gen.context_reg, zr_off(Z80_B), SZ_B);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2375 }
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2376 code_ptr done = code->cur+1;
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2377 jcc(code, CC_Z, code->cur+2);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2378 cycles(&opts->gen, 5);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2379 jmp(code, start);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2380 *done = code->cur - (done + 1);
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2381 break;
fbfb821e92a8 Implement Z80 block OUT instructions. Fixes Power Monger
Michael Pavone <pavone@retrodev.com>
parents: 967
diff changeset
2382 }
235
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2383 default: {
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2384 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
2385 z80_disasm(inst, disbuf, address);
259
d9417261366f Fix a remaining z80_write reg swap bug. Properly initialize the native map slots. Reset appropriate regs when z80_reset is called.
Mike Pavone <pavone@retrodev.com>
parents: 257
diff changeset
2386 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
2387 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
2388 fclose(f);
792
724bbec47f86 Use a new fatal_error function instead of calling fprintf and exit for fatal errors. This new function more gracefully handles the case in which BlastEm was not started from a terminal or disconnected from ther terminal (Windows).
Michael Pavone <pavone@retrodev.com>
parents: 755
diff changeset
2389 fatal_error("unimplemented Z80 instruction: %s at %X\nZ80 RAM has been saved to zram.bin for debugging", disbuf, address);
213
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
2390 }
235
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2391 }
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2392 }
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2393
627
c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses
Michael Pavone <pavone@retrodev.com>
parents: 626
diff changeset
2394 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
2395 {
c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses
Michael Pavone <pavone@retrodev.com>
parents: 626
diff changeset
2396 if (!context->interp_code[opcode]) {
755
7306b3967c51 Cleanup some warnings under clang through a combination of code fixes and supressing specific warnings
Michael Pavone <pavone@retrodev.com>
parents: 737
diff changeset
2397 if (opcode == 0xCB || (opcode >= 0xDD && (opcode & 0xF) == 0xD)) {
792
724bbec47f86 Use a new fatal_error function instead of calling fprintf and exit for fatal errors. This new function more gracefully handles the case in which BlastEm was not started from a terminal or disconnected from ther terminal (Windows).
Michael Pavone <pavone@retrodev.com>
parents: 755
diff changeset
2398 fatal_error("Encountered prefix byte %X at address %X. Z80 interpeter doesn't support those yet.", opcode, context->pc);
627
c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses
Michael Pavone <pavone@retrodev.com>
parents: 626
diff changeset
2399 }
c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses
Michael Pavone <pavone@retrodev.com>
parents: 626
diff changeset
2400 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
2401 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
2402 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
2403 z80inst inst;
c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses
Michael Pavone <pavone@retrodev.com>
parents: 626
diff changeset
2404 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
2405 if (after - codebuf > 1) {
792
724bbec47f86 Use a new fatal_error function instead of calling fprintf and exit for fatal errors. This new function more gracefully handles the case in which BlastEm was not started from a terminal or disconnected from ther terminal (Windows).
Michael Pavone <pavone@retrodev.com>
parents: 755
diff changeset
2406 fatal_error("Encountered multi-byte Z80 instruction at %X. Z80 interpeter doesn't support those yet.", context->pc);
627
c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses
Michael Pavone <pavone@retrodev.com>
parents: 626
diff changeset
2407 }
652
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
2408
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
2409 z80_options * opts = context->options;
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
2410 code_info *code = &opts->gen.code;
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
2411 check_alloc_code(code, ZMAX_NATIVE_SIZE);
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
2412 context->interp_code[opcode] = code->cur;
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
2413 translate_z80inst(&inst, context, 0, 1);
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
2414 mov_rdispr(code, opts->gen.context_reg, offsetof(z80_context, pc), opts->gen.scratch1, SZ_W);
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
2415 add_ir(code, after - codebuf, opts->gen.scratch1, SZ_W);
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
2416 call(code, opts->native_addr);
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
2417 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
2418 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
2419 }
c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses
Michael Pavone <pavone@retrodev.com>
parents: 626
diff changeset
2420 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
2421 }
c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses
Michael Pavone <pavone@retrodev.com>
parents: 626
diff changeset
2422
652
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
2423 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
2424 {
652
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
2425 z80_options *opts = context->options;
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
2426 code_info * code = &opts->gen.code;
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
2427 check_alloc_code(code, 32);
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
2428 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
2429 //TODO: make this play well with the breakpoint code
652
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
2430 mov_ir(code, address, opts->gen.scratch1, SZ_W);
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
2431 call(code, opts->read_8);
1044
1625555e346e Properly handle redundant prefixes
Michael Pavone <pavone@retrodev.com>
parents: 1043
diff changeset
2432 //opcode fetch M-cycles have one extra T-state
1625555e346e Properly handle redundant prefixes
Michael Pavone <pavone@retrodev.com>
parents: 1043
diff changeset
2433 cycles(&opts->gen, 1);
1625555e346e Properly handle redundant prefixes
Michael Pavone <pavone@retrodev.com>
parents: 1043
diff changeset
2434 //TODO: increment R
652
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
2435 check_cycles_int(&opts->gen, address);
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
2436 call(code, opts->gen.save_context);
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
2437 mov_irdisp(code, address, opts->gen.context_reg, offsetof(z80_context, pc), SZ_W);
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
2438 push_r(code, opts->gen.context_reg);
712
382a2b5b70c0 Fix crash bug in Z80 interpreter
Michael Pavone <pavone@retrodev.com>
parents: 702
diff changeset
2439 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
2440 mov_rr(code, RAX, opts->gen.scratch1, SZ_PTR);
652
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
2441 pop_r(code, opts->gen.context_reg);
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
2442 call(code, opts->gen.load_context);
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
2443 jmp_r(code, opts->gen.scratch1);
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
2444 stub.last = code->cur;
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
2445 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
2446 }
c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses
Michael Pavone <pavone@retrodev.com>
parents: 626
diff changeset
2447
c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses
Michael Pavone <pavone@retrodev.com>
parents: 626
diff changeset
2448
235
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2449 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
2450 {
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2451 native_map_slot *map;
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2452 if (address < 0x4000) {
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2453 address &= 0x1FFF;
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2454 map = context->static_code_map;
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2455 } else {
627
c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses
Michael Pavone <pavone@retrodev.com>
parents: 626
diff changeset
2456 address -= 0x4000;
c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses
Michael Pavone <pavone@retrodev.com>
parents: 626
diff changeset
2457 map = context->banked_code_map;
235
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2458 }
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
2459 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
2460 //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
2461 return NULL;
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2462 }
313
a13329645ea3 Fix terminal instruction detection in disassembler
Mike Pavone <pavone@retrodev.com>
parents: 312
diff changeset
2463 //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
2464 return map->base + map->offsets[address];
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
590
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
2467 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
2468 {
627
c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses
Michael Pavone <pavone@retrodev.com>
parents: 626
diff changeset
2469 //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
2470 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
2471 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
2472 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
2473 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
2474 }
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
2475
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
2476 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
2477 {
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
2478 uint32_t orig_address = address;
235
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2479 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
2480 z80_options * opts = context->options;
235
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2481 if (address < 0x4000) {
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2482 address &= 0x1FFF;
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2483 map = context->static_code_map;
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
2484 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
2485 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
2486 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
2487 } else {
c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses
Michael Pavone <pavone@retrodev.com>
parents: 626
diff changeset
2488 //HERE
c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses
Michael Pavone <pavone@retrodev.com>
parents: 626
diff changeset
2489 address -= 0x4000;
c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses
Michael Pavone <pavone@retrodev.com>
parents: 626
diff changeset
2490 map = context->banked_code_map;
235
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2491 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
2492 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
2493 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
2494 }
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2495 }
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2496 if (!map->base) {
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2497 map->base = native_address;
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2498 }
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2499 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
2500 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
2501 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
2502 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
2503 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
2504 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
2505 } else {
627
c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses
Michael Pavone <pavone@retrodev.com>
parents: 626
diff changeset
2506 address -= 0x4000;
c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses
Michael Pavone <pavone@retrodev.com>
parents: 626
diff changeset
2507 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
2508 }
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
2509 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
2510 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
2511 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
2512 }
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
2513 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
2514 }
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
2515 }
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
2516
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
2517 #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
2518
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
2519 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
2520 {
627
c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses
Michael Pavone <pavone@retrodev.com>
parents: 626
diff changeset
2521 //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
2522 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
2523 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
2524 }
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
2525 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
2526 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
2527 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
2528 }
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
2529 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
2530 --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
2531 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
2532 }
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
2533 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
2534 }
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
2535
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
2536 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
2537 {
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
2538 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
2539 if (inst_start != INVALID_INSTRUCTION_START) {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
2540 code_ptr dst = z80_get_native_address(context, inst_start);
899
07bfbbbb4b2e Fix for Z80 retranslation post alignment rework
Michael Pavone <pavone@retrodev.com>
parents: 898
diff changeset
2541 code_info code = {dst, dst+32, 0};
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
2542 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
2543 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
2544 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
2545 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
2546 }
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
2547 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
2548 }
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
2549
264
8fd6652e56f8 Fix a crash bug in instruction retranslation
Mike Pavone <pavone@retrodev.com>
parents: 262
diff changeset
2550 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
2551 {
8fd6652e56f8 Fix a crash bug in instruction retranslation
Mike Pavone <pavone@retrodev.com>
parents: 262
diff changeset
2552 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
2553 if (!addr) {
8fd6652e56f8 Fix a crash bug in instruction retranslation
Mike Pavone <pavone@retrodev.com>
parents: 262
diff changeset
2554 translate_z80_stream(context, address);
8fd6652e56f8 Fix a crash bug in instruction retranslation
Mike Pavone <pavone@retrodev.com>
parents: 262
diff changeset
2555 addr = z80_get_native_address(context, address);
8fd6652e56f8 Fix a crash bug in instruction retranslation
Mike Pavone <pavone@retrodev.com>
parents: 262
diff changeset
2556 if (!addr) {
8fd6652e56f8 Fix a crash bug in instruction retranslation
Mike Pavone <pavone@retrodev.com>
parents: 262
diff changeset
2557 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
2558 }
8fd6652e56f8 Fix a crash bug in instruction retranslation
Mike Pavone <pavone@retrodev.com>
parents: 262
diff changeset
2559 }
8fd6652e56f8 Fix a crash bug in instruction retranslation
Mike Pavone <pavone@retrodev.com>
parents: 262
diff changeset
2560 return addr;
8fd6652e56f8 Fix a crash bug in instruction retranslation
Mike Pavone <pavone@retrodev.com>
parents: 262
diff changeset
2561 }
8fd6652e56f8 Fix a crash bug in instruction retranslation
Mike Pavone <pavone@retrodev.com>
parents: 262
diff changeset
2562
266
376df762ddf5 Fix some more retranslation bugs in the Z80 core
Mike Pavone <pavone@retrodev.com>
parents: 264
diff changeset
2563 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
2564 {
590
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
2565 z80_options * opts = context->options;
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
2566 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
2567 if (opts->gen.deferred) {
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
2568 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
2569 }
376df762ddf5 Fix some more retranslation bugs in the Z80 core
Mike Pavone <pavone@retrodev.com>
parents: 264
diff changeset
2570 }
376df762ddf5 Fix some more retranslation bugs in the Z80 core
Mike Pavone <pavone@retrodev.com>
parents: 264
diff changeset
2571
559
6b248602ab84 blastem builds and almost works on OS X now
Mike Pavone <pavone@retrodev.com>
parents: 506
diff changeset
2572 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
2573 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
2574 {
266
376df762ddf5 Fix some more retranslation bugs in the Z80 core
Mike Pavone <pavone@retrodev.com>
parents: 264
diff changeset
2575 char disbuf[80];
590
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
2576 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
2577 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
2578 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
2579 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
2580 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
2581 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
2582 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
2583 #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
2584 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
2585 if (instbuf.op == Z80_NOP) {
376df762ddf5 Fix some more retranslation bugs in the Z80 core
Mike Pavone <pavone@retrodev.com>
parents: 264
diff changeset
2586 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
2587 } else {
376df762ddf5 Fix some more retranslation bugs in the Z80 core
Mike Pavone <pavone@retrodev.com>
parents: 264
diff changeset
2588 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
2589 }
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
2590 #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
2591 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
2592 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
2593 code_ptr start = code->cur;
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
2594 deferred_addr * orig_deferred = opts->gen.deferred;
652
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
2595 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
2596 /*
252
63b9a500a00b Implement retranslating code when written to. Possibly broken, need to fix some other bugs before a proper test.
Mike Pavone <pavone@retrodev.com>
parents: 250
diff changeset
2597 if ((native_end - dst) <= orig_size) {
264
8fd6652e56f8 Fix a crash bug in instruction retranslation
Mike Pavone <pavone@retrodev.com>
parents: 262
diff changeset
2598 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
2599 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
2600 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
2601 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
2602 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
2603 while (native_end < orig_start + orig_size) {
8fd6652e56f8 Fix a crash bug in instruction retranslation
Mike Pavone <pavone@retrodev.com>
parents: 262
diff changeset
2604 *(native_end++) = 0x90; //NOP
8fd6652e56f8 Fix a crash bug in instruction retranslation
Mike Pavone <pavone@retrodev.com>
parents: 262
diff changeset
2605 }
8fd6652e56f8 Fix a crash bug in instruction retranslation
Mike Pavone <pavone@retrodev.com>
parents: 262
diff changeset
2606 } else {
8fd6652e56f8 Fix a crash bug in instruction retranslation
Mike Pavone <pavone@retrodev.com>
parents: 262
diff changeset
2607 jmp(native_end, native_next);
8fd6652e56f8 Fix a crash bug in instruction retranslation
Mike Pavone <pavone@retrodev.com>
parents: 262
diff changeset
2608 }
266
376df762ddf5 Fix some more retranslation bugs in the Z80 core
Mike Pavone <pavone@retrodev.com>
parents: 264
diff changeset
2609 z80_handle_deferred(context);
264
8fd6652e56f8 Fix a crash bug in instruction retranslation
Mike Pavone <pavone@retrodev.com>
parents: 262
diff changeset
2610 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
2611 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
2612 }*/
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
2613 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
2614 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
2615 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
2616 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
2617 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
2618 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
2619 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
2620 }
266
376df762ddf5 Fix some more retranslation bugs in the Z80 core
Mike Pavone <pavone@retrodev.com>
parents: 264
diff changeset
2621 z80_handle_deferred(context);
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
2622 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
2623 } else {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
2624 code_info tmp_code = *code;
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
2625 code->cur = orig_start;
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
2626 code->last = orig_start + ZMAX_NATIVE_SIZE;
652
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
2627 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
2628 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
2629 *code = tmp_code;
283
61f5d88ea01a Implement RETI and RETN (untested). Cleanup tests for "terminal" instructions.
Mike Pavone <pavone@retrodev.com>
parents: 282
diff changeset
2630 if (!z80_is_terminal(&instbuf)) {
652
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
2631
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
2632 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
2633 }
266
376df762ddf5 Fix some more retranslation bugs in the Z80 core
Mike Pavone <pavone@retrodev.com>
parents: 264
diff changeset
2634 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
2635 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
2636 }
235
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2637 }
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2638
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2639 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
2640 {
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2641 char disbuf[80];
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2642 if (z80_get_native_address(context, address)) {
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2643 return;
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2644 }
590
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
2645 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
2646 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
2647
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
2648 do
235
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2649 {
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2650 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
2651 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
2652 do {
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2653 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
2654 if (existing) {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
2655 jmp(&opts->gen.code, existing);
235
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2656 break;
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2657 }
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
2658 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
2659 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
2660 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
2661 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
2662 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
2663 break;
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2664 }
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
2665 //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
2666 check_code_prologue(&opts->gen.code);
235
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2667 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
2668 #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
2669 z80_disasm(&inst, disbuf, address);
235
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2670 if (inst.op == Z80_NOP) {
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2671 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
2672 } else {
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2673 printf("%X\t%s\n", address, disbuf);
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2674 }
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
2675 #endif
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
2676 code_ptr start = opts->gen.code.cur;
652
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
2677 translate_z80inst(&inst, context, address, 0);
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
2678 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
2679 address += next-encoded;
255
572b935dd030 Properly handle wrapping around to 0 in translate_z80_stream
Mike Pavone <pavone@retrodev.com>
parents: 254
diff changeset
2680 address &= 0xFFFF;
283
61f5d88ea01a Implement RETI and RETN (untested). Cleanup tests for "terminal" instructions.
Mike Pavone <pavone@retrodev.com>
parents: 282
diff changeset
2681 } while (!z80_is_terminal(&inst));
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
2682 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
2683 if (opts->gen.deferred) {
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
2684 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
2685 dprintf("defferred address: %X\n", address);
792
724bbec47f86 Use a new fatal_error function instead of calling fprintf and exit for fatal errors. This new function more gracefully handles the case in which BlastEm was not started from a terminal or disconnected from ther terminal (Windows).
Michael Pavone <pavone@retrodev.com>
parents: 755
diff changeset
2686 }
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
2687 } 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
2688 }
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
2689
819
ab017fb09e77 Added support for an IO memory map in Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 792
diff changeset
2690 void init_z80_opts(z80_options * options, memmap_chunk const * chunks, uint32_t num_chunks, memmap_chunk const * io_chunks, uint32_t num_io_chunks, uint32_t clock_divider)
213
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
2691 {
590
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
2692 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
2693
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
2694 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
2695 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
2696 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
2697 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
2698 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
2699 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
2700 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
2701 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
2702 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
2703 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
2704
235
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2705 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
2706 #ifdef X86_64
235
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2707 options->regs[Z80_B] = BH;
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2708 options->regs[Z80_C] = RBX;
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2709 options->regs[Z80_D] = CH;
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2710 options->regs[Z80_E] = RCX;
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2711 options->regs[Z80_H] = AH;
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2712 options->regs[Z80_L] = RAX;
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2713 options->regs[Z80_IXH] = DH;
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2714 options->regs[Z80_IXL] = RDX;
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2715 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
2716 options->regs[Z80_IYL] = R8;
235
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2717 options->regs[Z80_I] = -1;
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2718 options->regs[Z80_R] = -1;
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2719 options->regs[Z80_A] = R10;
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2720 options->regs[Z80_BC] = RBX;
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2721 options->regs[Z80_DE] = RCX;
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2722 options->regs[Z80_HL] = RAX;
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2723 options->regs[Z80_SP] = R9;
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2724 options->regs[Z80_AF] = -1;
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2725 options->regs[Z80_IX] = RDX;
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2726 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
2727
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
2728 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
2729 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
2730 #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
2731 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
2732 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
2733 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
2734
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
2735 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
2736 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
2737 #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
2738
590
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
2739 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
2740 options->gen.cycles = RBP;
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
2741 options->gen.limit = RDI;
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
2742
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
2743 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
2744 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
2745 options->gen.deferred = NULL;
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
2746 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
2747 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
2748 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
2749
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
2750 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
2751 init_code_info(code);
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
2752
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
2753 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
2754 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
2755 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
2756
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
2757 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
2758 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
2759 {
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
2760 int reg;
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
2761 uint8_t size;
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
2762 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
2763 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
2764 size = SZ_W;
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
2765 } else {
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
2766 reg = i;
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
2767 size = SZ_B;
652
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
2768 }
590
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
2769 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
2770 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
2771 }
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
2772 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
2773 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
2774 }
590
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
2775 }
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
2776 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
2777 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
2778 }
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
2779 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
2780 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
2781 retn(code);
590
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
2782
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
2783 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
2784 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
2785 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
2786 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
2787 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
2788 {
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
2789 int reg;
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
2790 uint8_t size;
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
2791 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
2792 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
2793 size = SZ_W;
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
2794 } else {
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
2795 reg = i;
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
2796 size = SZ_B;
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
2797 }
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
2798 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
2799 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
2800 }
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
2801 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
2802 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
2803 }
590
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
2804 }
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
2805 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
2806 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
2807 }
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
2808 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
2809 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
2810 retn(code);
5ef3fe516da9 Z80 core is sort of working again
Michael Pavone <pavone@retrodev.com>
parents: 592
diff changeset
2811
5ef3fe516da9 Z80 core is sort of working again
Michael Pavone <pavone@retrodev.com>
parents: 592
diff changeset
2812 options->native_addr = code->cur;
5ef3fe516da9 Z80 core is sort of working again
Michael Pavone <pavone@retrodev.com>
parents: 592
diff changeset
2813 call(code, options->gen.save_context);
5ef3fe516da9 Z80 core is sort of working again
Michael Pavone <pavone@retrodev.com>
parents: 592
diff changeset
2814 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
2815 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
2816 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
2817 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
2818 pop_r(code, options->gen.context_reg);
5ef3fe516da9 Z80 core is sort of working again
Michael Pavone <pavone@retrodev.com>
parents: 592
diff changeset
2819 call(code, options->gen.load_context);
5ef3fe516da9 Z80 core is sort of working again
Michael Pavone <pavone@retrodev.com>
parents: 592
diff changeset
2820 retn(code);
590
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
2821
895
13388ab6d78a Get Z80 core sort of working again post alignment change
Michael Pavone <pavone@retrodev.com>
parents: 894
diff changeset
2822 uint32_t tmp_stack_off;
13388ab6d78a Get Z80 core sort of working again post alignment change
Michael Pavone <pavone@retrodev.com>
parents: 894
diff changeset
2823
590
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
2824 options->gen.handle_cycle_limit = code->cur;
900
30efd12b1be1 Replace some hard-coded instruction length assumptions with a calculation so they will work properly on both 32-bit and 64-bit hosts
Michael Pavone <pavone@retrodev.com>
parents: 899
diff changeset
2825 //calculate call/stack adjust size
30efd12b1be1 Replace some hard-coded instruction length assumptions with a calculation so they will work properly on both 32-bit and 64-bit hosts
Michael Pavone <pavone@retrodev.com>
parents: 899
diff changeset
2826 sub_ir(code, 16-sizeof(void *), RSP, SZ_PTR);
30efd12b1be1 Replace some hard-coded instruction length assumptions with a calculation so they will work properly on both 32-bit and 64-bit hosts
Michael Pavone <pavone@retrodev.com>
parents: 899
diff changeset
2827 call_noalign(code, options->gen.handle_cycle_limit);
30efd12b1be1 Replace some hard-coded instruction length assumptions with a calculation so they will work properly on both 32-bit and 64-bit hosts
Michael Pavone <pavone@retrodev.com>
parents: 899
diff changeset
2828 uint32_t call_adjust_size = code->cur - options->gen.handle_cycle_limit;
30efd12b1be1 Replace some hard-coded instruction length assumptions with a calculation so they will work properly on both 32-bit and 64-bit hosts
Michael Pavone <pavone@retrodev.com>
parents: 899
diff changeset
2829 code->cur = options->gen.handle_cycle_limit;
30efd12b1be1 Replace some hard-coded instruction length assumptions with a calculation so they will work properly on both 32-bit and 64-bit hosts
Michael Pavone <pavone@retrodev.com>
parents: 899
diff changeset
2830
590
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
2831 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
2832 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
2833 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
2834 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
2835 call(code, options->save_context_scratch);
895
13388ab6d78a Get Z80 core sort of working again post alignment change
Michael Pavone <pavone@retrodev.com>
parents: 894
diff changeset
2836 tmp_stack_off = code->stack_off;
590
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
2837 pop_r(code, RAX); //return address in read/write func
895
13388ab6d78a Get Z80 core sort of working again post alignment change
Michael Pavone <pavone@retrodev.com>
parents: 894
diff changeset
2838 add_ir(code, 16-sizeof(void *), RSP, SZ_PTR);
590
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
2839 pop_r(code, RBX); //return address in translated code
895
13388ab6d78a Get Z80 core sort of working again post alignment change
Michael Pavone <pavone@retrodev.com>
parents: 894
diff changeset
2840 add_ir(code, 16-sizeof(void *), RSP, SZ_PTR);
900
30efd12b1be1 Replace some hard-coded instruction length assumptions with a calculation so they will work properly on both 32-bit and 64-bit hosts
Michael Pavone <pavone@retrodev.com>
parents: 899
diff changeset
2841 sub_ir(code, call_adjust_size, RAX, SZ_PTR); //adjust return address to point to the call + stack adjust that got us here
590
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
2842 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
2843 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
2844 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
2845 *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
2846 //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
2847 retn(code);
895
13388ab6d78a Get Z80 core sort of working again post alignment change
Michael Pavone <pavone@retrodev.com>
parents: 894
diff changeset
2848 code->stack_off = tmp_stack_off;
652
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
2849
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
2850 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
2851
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
2852 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
2853 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
2854
895
13388ab6d78a Get Z80 core sort of working again post alignment change
Michael Pavone <pavone@retrodev.com>
parents: 894
diff changeset
2855 code_ptr skip_int = code->cur;
900
30efd12b1be1 Replace some hard-coded instruction length assumptions with a calculation so they will work properly on both 32-bit and 64-bit hosts
Michael Pavone <pavone@retrodev.com>
parents: 899
diff changeset
2856 //calculate adjust size
30efd12b1be1 Replace some hard-coded instruction length assumptions with a calculation so they will work properly on both 32-bit and 64-bit hosts
Michael Pavone <pavone@retrodev.com>
parents: 899
diff changeset
2857 add_ir(code, 16-sizeof(void *), RSP, SZ_PTR);
30efd12b1be1 Replace some hard-coded instruction length assumptions with a calculation so they will work properly on both 32-bit and 64-bit hosts
Michael Pavone <pavone@retrodev.com>
parents: 899
diff changeset
2858 uint32_t adjust_size = code->cur - skip_int;
30efd12b1be1 Replace some hard-coded instruction length assumptions with a calculation so they will work properly on both 32-bit and 64-bit hosts
Michael Pavone <pavone@retrodev.com>
parents: 899
diff changeset
2859 code->cur = skip_int;
30efd12b1be1 Replace some hard-coded instruction length assumptions with a calculation so they will work properly on both 32-bit and 64-bit hosts
Michael Pavone <pavone@retrodev.com>
parents: 899
diff changeset
2860
895
13388ab6d78a Get Z80 core sort of working again post alignment change
Michael Pavone <pavone@retrodev.com>
parents: 894
diff changeset
2861 cmp_rdispr(code, options->gen.context_reg, offsetof(z80_context, sync_cycle), options->gen.cycles, SZ_D);
13388ab6d78a Get Z80 core sort of working again post alignment change
Michael Pavone <pavone@retrodev.com>
parents: 894
diff changeset
2862 code_ptr skip_sync = code->cur + 1;
13388ab6d78a Get Z80 core sort of working again post alignment change
Michael Pavone <pavone@retrodev.com>
parents: 894
diff changeset
2863 jcc(code, CC_B, skip_sync);
13388ab6d78a Get Z80 core sort of working again post alignment change
Michael Pavone <pavone@retrodev.com>
parents: 894
diff changeset
2864 //save PC
13388ab6d78a Get Z80 core sort of working again post alignment change
Michael Pavone <pavone@retrodev.com>
parents: 894
diff changeset
2865 mov_rrdisp(code, options->gen.scratch1, options->gen.context_reg, offsetof(z80_context, pc), SZ_D);
13388ab6d78a Get Z80 core sort of working again post alignment change
Michael Pavone <pavone@retrodev.com>
parents: 894
diff changeset
2866 options->do_sync = code->cur;
13388ab6d78a Get Z80 core sort of working again post alignment change
Michael Pavone <pavone@retrodev.com>
parents: 894
diff changeset
2867 call(code, options->gen.save_context);
13388ab6d78a Get Z80 core sort of working again post alignment change
Michael Pavone <pavone@retrodev.com>
parents: 894
diff changeset
2868 tmp_stack_off = code->stack_off;
13388ab6d78a Get Z80 core sort of working again post alignment change
Michael Pavone <pavone@retrodev.com>
parents: 894
diff changeset
2869 //pop return address off the stack and save for resume later
898
2f1157f00dc6 Z80 core is now slightly less broken
Michael Pavone <pavone@retrodev.com>
parents: 895
diff changeset
2870 //pop_rind(code, options->gen.context_reg);
2f1157f00dc6 Z80 core is now slightly less broken
Michael Pavone <pavone@retrodev.com>
parents: 895
diff changeset
2871 pop_r(code, RAX);
900
30efd12b1be1 Replace some hard-coded instruction length assumptions with a calculation so they will work properly on both 32-bit and 64-bit hosts
Michael Pavone <pavone@retrodev.com>
parents: 899
diff changeset
2872 add_ir(code, adjust_size, RAX, SZ_PTR);
895
13388ab6d78a Get Z80 core sort of working again post alignment change
Michael Pavone <pavone@retrodev.com>
parents: 894
diff changeset
2873 add_ir(code, 16-sizeof(void *), RSP, SZ_PTR);
898
2f1157f00dc6 Z80 core is now slightly less broken
Michael Pavone <pavone@retrodev.com>
parents: 895
diff changeset
2874 mov_rrind(code, RAX, options->gen.context_reg, SZ_PTR);
2f1157f00dc6 Z80 core is now slightly less broken
Michael Pavone <pavone@retrodev.com>
parents: 895
diff changeset
2875
895
13388ab6d78a Get Z80 core sort of working again post alignment change
Michael Pavone <pavone@retrodev.com>
parents: 894
diff changeset
2876 //restore callee saved registers
13388ab6d78a Get Z80 core sort of working again post alignment change
Michael Pavone <pavone@retrodev.com>
parents: 894
diff changeset
2877 restore_callee_save_regs(code);
13388ab6d78a Get Z80 core sort of working again post alignment change
Michael Pavone <pavone@retrodev.com>
parents: 894
diff changeset
2878 //return to caller of z80_run
13388ab6d78a Get Z80 core sort of working again post alignment change
Michael Pavone <pavone@retrodev.com>
parents: 894
diff changeset
2879 *skip_sync = code->cur - (skip_sync+1);
13388ab6d78a Get Z80 core sort of working again post alignment change
Michael Pavone <pavone@retrodev.com>
parents: 894
diff changeset
2880 retn(code);
13388ab6d78a Get Z80 core sort of working again post alignment change
Michael Pavone <pavone@retrodev.com>
parents: 894
diff changeset
2881 code->stack_off = tmp_stack_off;
13388ab6d78a Get Z80 core sort of working again post alignment change
Michael Pavone <pavone@retrodev.com>
parents: 894
diff changeset
2882
590
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
2883 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
2884 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
2885 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
2886 //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
2887 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
2888 //disable interrupts
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
2889 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
2890 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
2891 cycles(&options->gen, 7);
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
2892 //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
2893 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
2894 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
2895 //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
2896 //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
2897 //for a synchronization
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
2898 check_cycles(&options->gen);
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
2899 cycles(&options->gen, 3);
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
2900 //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
2901 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
2902 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
2903 //restore word to write
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
2904 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
2905 //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
2906 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
2907 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
2908 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
2909 check_cycles(&options->gen);
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
2910 cycles(&options->gen, 3);
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
2911 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
2912 //dispose of return address as we'll be jumping somewhere else
895
13388ab6d78a Get Z80 core sort of working again post alignment change
Michael Pavone <pavone@retrodev.com>
parents: 894
diff changeset
2913 add_ir(code, 16, RSP, SZ_PTR);
590
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
2914 //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
2915 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
2916 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
2917 mov_rrind(code, options->gen.scratch1, options->gen.context_reg, SZ_PTR);
895
13388ab6d78a Get Z80 core sort of working again post alignment change
Michael Pavone <pavone@retrodev.com>
parents: 894
diff changeset
2918 tmp_stack_off = code->stack_off;
665
d0943769353b Added functions to gen_x86 for saving and restoring callee save registers to better abstract over ABI differences between x86 and x86-64
Michael Pavone <pavone@retrodev.com>
parents: 664
diff changeset
2919 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
2920 //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
2921 retn(code);
895
13388ab6d78a Get Z80 core sort of working again post alignment change
Michael Pavone <pavone@retrodev.com>
parents: 894
diff changeset
2922 code->stack_off = tmp_stack_off;
593
5ef3fe516da9 Z80 core is sort of working again
Michael Pavone <pavone@retrodev.com>
parents: 592
diff changeset
2923
819
ab017fb09e77 Added support for an IO memory map in Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 792
diff changeset
2924 //HACK
ab017fb09e77 Added support for an IO memory map in Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 792
diff changeset
2925 options->gen.address_size = SZ_D;
ab017fb09e77 Added support for an IO memory map in Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 792
diff changeset
2926 options->gen.address_mask = 0xFF;
ab017fb09e77 Added support for an IO memory map in Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 792
diff changeset
2927 options->read_io = gen_mem_fun(&options->gen, io_chunks, num_io_chunks, READ_8, NULL);
ab017fb09e77 Added support for an IO memory map in Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 792
diff changeset
2928 options->write_io = gen_mem_fun(&options->gen, io_chunks, num_io_chunks, WRITE_8, NULL);
ab017fb09e77 Added support for an IO memory map in Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 792
diff changeset
2929 options->gen.address_size = SZ_W;
ab017fb09e77 Added support for an IO memory map in Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 792
diff changeset
2930 options->gen.address_mask = 0xFFFF;
652
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
2931
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
2932 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
2933 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
2934 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
2935 //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
2936 //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
2937 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
2938 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
2939 mov_rr(code, options->gen.scratch1, options->gen.scratch2, SZ_B);
735
539d12fa6a4d Add a define in both the source and Makefile for enabling logging of z80 instruction address/cycle counts. Fix Z80 in/out instructions to eliminate assumptions about which registers are stored in native regs. Fix read_16 to not corrupt the low byte when the read has to call into a C function.
Michael Pavone <pavone@retrodev.com>
parents: 734
diff changeset
2940 #ifndef X86_64
539d12fa6a4d Add a define in both the source and Makefile for enabling logging of z80 instruction address/cycle counts. Fix Z80 in/out instructions to eliminate assumptions about which registers are stored in native regs. Fix read_16 to not corrupt the low byte when the read has to call into a C function.
Michael Pavone <pavone@retrodev.com>
parents: 734
diff changeset
2941 //scratch 2 is a caller save register in 32-bit builds and may be clobbered by something called from the read8 fun
539d12fa6a4d Add a define in both the source and Makefile for enabling logging of z80 instruction address/cycle counts. Fix Z80 in/out instructions to eliminate assumptions about which registers are stored in native regs. Fix read_16 to not corrupt the low byte when the read has to call into a C function.
Michael Pavone <pavone@retrodev.com>
parents: 734
diff changeset
2942 mov_rrdisp(code, options->gen.scratch1, options->gen.context_reg, offsetof(z80_context, scratch2), SZ_B);
539d12fa6a4d Add a define in both the source and Makefile for enabling logging of z80 instruction address/cycle counts. Fix Z80 in/out instructions to eliminate assumptions about which registers are stored in native regs. Fix read_16 to not corrupt the low byte when the read has to call into a C function.
Michael Pavone <pavone@retrodev.com>
parents: 734
diff changeset
2943 #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
2944 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
2945 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
2946 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
2947 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
2948 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
2949 shl_ir(code, 8, options->gen.scratch1, SZ_W);
735
539d12fa6a4d Add a define in both the source and Makefile for enabling logging of z80 instruction address/cycle counts. Fix Z80 in/out instructions to eliminate assumptions about which registers are stored in native regs. Fix read_16 to not corrupt the low byte when the read has to call into a C function.
Michael Pavone <pavone@retrodev.com>
parents: 734
diff changeset
2950 #ifdef X86_64
594
086de8692932 Add in missing generated Z80 helper functions. Fix a small bug in Z80_HALT. Fix generation of save and load context for Z80
Michael Pavone <pavone@retrodev.com>
parents: 593
diff changeset
2951 mov_rr(code, options->gen.scratch2, options->gen.scratch1, SZ_B);
735
539d12fa6a4d Add a define in both the source and Makefile for enabling logging of z80 instruction address/cycle counts. Fix Z80 in/out instructions to eliminate assumptions about which registers are stored in native regs. Fix read_16 to not corrupt the low byte when the read has to call into a C function.
Michael Pavone <pavone@retrodev.com>
parents: 734
diff changeset
2952 #else
539d12fa6a4d Add a define in both the source and Makefile for enabling logging of z80 instruction address/cycle counts. Fix Z80 in/out instructions to eliminate assumptions about which registers are stored in native regs. Fix read_16 to not corrupt the low byte when the read has to call into a C function.
Michael Pavone <pavone@retrodev.com>
parents: 734
diff changeset
2953 mov_rdispr(code, options->gen.context_reg, offsetof(z80_context, scratch2), options->gen.scratch1, SZ_B);
539d12fa6a4d Add a define in both the source and Makefile for enabling logging of z80 instruction address/cycle counts. Fix Z80 in/out instructions to eliminate assumptions about which registers are stored in native regs. Fix read_16 to not corrupt the low byte when the read has to call into a C function.
Michael Pavone <pavone@retrodev.com>
parents: 734
diff changeset
2954 #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
2955 retn(code);
652
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
2956
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
2957 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
2958 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
2959 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
2960 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
2961 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
2962 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
2963 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
2964 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
2965 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
2966 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
2967 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
2968 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
2969 //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
2970 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
2971 retn(code);
652
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
2972
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
2973 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
2974 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
2975 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
2976 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
2977 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
2978 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
2979 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
2980 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
2981 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
2982 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
2983 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
2984 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
2985 //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
2986 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
2987 retn(code);
593
5ef3fe516da9 Z80 core is sort of working again
Michael Pavone <pavone@retrodev.com>
parents: 592
diff changeset
2988
5ef3fe516da9 Z80 core is sort of working again
Michael Pavone <pavone@retrodev.com>
parents: 592
diff changeset
2989 options->retrans_stub = code->cur;
895
13388ab6d78a Get Z80 core sort of working again post alignment change
Michael Pavone <pavone@retrodev.com>
parents: 894
diff changeset
2990 tmp_stack_off = code->stack_off;
899
07bfbbbb4b2e Fix for Z80 retranslation post alignment rework
Michael Pavone <pavone@retrodev.com>
parents: 898
diff changeset
2991 //calculate size of patch
07bfbbbb4b2e Fix for Z80 retranslation post alignment rework
Michael Pavone <pavone@retrodev.com>
parents: 898
diff changeset
2992 mov_ir(code, 0x7FFF, options->gen.scratch1, SZ_D);
07bfbbbb4b2e Fix for Z80 retranslation post alignment rework
Michael Pavone <pavone@retrodev.com>
parents: 898
diff changeset
2993 code->stack_off += sizeof(void *);
07bfbbbb4b2e Fix for Z80 retranslation post alignment rework
Michael Pavone <pavone@retrodev.com>
parents: 898
diff changeset
2994 if (code->stack_off & 0xF) {
07bfbbbb4b2e Fix for Z80 retranslation post alignment rework
Michael Pavone <pavone@retrodev.com>
parents: 898
diff changeset
2995 sub_ir(code, 16 - (code->stack_off & 0xF), RSP, SZ_PTR);
07bfbbbb4b2e Fix for Z80 retranslation post alignment rework
Michael Pavone <pavone@retrodev.com>
parents: 898
diff changeset
2996 }
07bfbbbb4b2e Fix for Z80 retranslation post alignment rework
Michael Pavone <pavone@retrodev.com>
parents: 898
diff changeset
2997 call_noalign(code, options->retrans_stub);
07bfbbbb4b2e Fix for Z80 retranslation post alignment rework
Michael Pavone <pavone@retrodev.com>
parents: 898
diff changeset
2998 uint32_t patch_size = code->cur - options->retrans_stub;
07bfbbbb4b2e Fix for Z80 retranslation post alignment rework
Michael Pavone <pavone@retrodev.com>
parents: 898
diff changeset
2999 code->cur = options->retrans_stub;
07bfbbbb4b2e Fix for Z80 retranslation post alignment rework
Michael Pavone <pavone@retrodev.com>
parents: 898
diff changeset
3000 code->stack_off = tmp_stack_off;
07bfbbbb4b2e Fix for Z80 retranslation post alignment rework
Michael Pavone <pavone@retrodev.com>
parents: 898
diff changeset
3001
593
5ef3fe516da9 Z80 core is sort of working again
Michael Pavone <pavone@retrodev.com>
parents: 592
diff changeset
3002 //pop return address
5ef3fe516da9 Z80 core is sort of working again
Michael Pavone <pavone@retrodev.com>
parents: 592
diff changeset
3003 pop_r(code, options->gen.scratch2);
895
13388ab6d78a Get Z80 core sort of working again post alignment change
Michael Pavone <pavone@retrodev.com>
parents: 894
diff changeset
3004 add_ir(code, 16-sizeof(void*), RSP, SZ_PTR);
13388ab6d78a Get Z80 core sort of working again post alignment change
Michael Pavone <pavone@retrodev.com>
parents: 894
diff changeset
3005 code->stack_off = tmp_stack_off;
593
5ef3fe516da9 Z80 core is sort of working again
Michael Pavone <pavone@retrodev.com>
parents: 592
diff changeset
3006 call(code, options->gen.save_context);
5ef3fe516da9 Z80 core is sort of working again
Michael Pavone <pavone@retrodev.com>
parents: 592
diff changeset
3007 //adjust pointer before move and call instructions that got us here
899
07bfbbbb4b2e Fix for Z80 retranslation post alignment rework
Michael Pavone <pavone@retrodev.com>
parents: 898
diff changeset
3008 sub_ir(code, patch_size, options->gen.scratch2, SZ_PTR);
593
5ef3fe516da9 Z80 core is sort of working again
Michael Pavone <pavone@retrodev.com>
parents: 592
diff changeset
3009 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
3010 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
3011 pop_r(code, options->gen.context_reg);
5ef3fe516da9 Z80 core is sort of working again
Michael Pavone <pavone@retrodev.com>
parents: 592
diff changeset
3012 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
3013 call(code, options->gen.load_context);
5ef3fe516da9 Z80 core is sort of working again
Michael Pavone <pavone@retrodev.com>
parents: 592
diff changeset
3014 jmp_r(code, options->gen.scratch1);
5ef3fe516da9 Z80 core is sort of working again
Michael Pavone <pavone@retrodev.com>
parents: 592
diff changeset
3015
5ef3fe516da9 Z80 core is sort of working again
Michael Pavone <pavone@retrodev.com>
parents: 592
diff changeset
3016 options->run = (z80_run_fun)code->cur;
895
13388ab6d78a Get Z80 core sort of working again post alignment change
Michael Pavone <pavone@retrodev.com>
parents: 894
diff changeset
3017 tmp_stack_off = code->stack_off;
665
d0943769353b Added functions to gen_x86 for saving and restoring callee save registers to better abstract over ABI differences between x86 and x86-64
Michael Pavone <pavone@retrodev.com>
parents: 664
diff changeset
3018 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
3019 #ifdef X86_64
593
5ef3fe516da9 Z80 core is sort of working again
Michael Pavone <pavone@retrodev.com>
parents: 592
diff changeset
3020 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
3021 #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
3022 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
3023 #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
3024 call(code, options->load_context_scratch);
593
5ef3fe516da9 Z80 core is sort of working again
Michael Pavone <pavone@retrodev.com>
parents: 592
diff changeset
3025 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
3026 code_ptr no_extra = code->cur+1;
5ef3fe516da9 Z80 core is sort of working again
Michael Pavone <pavone@retrodev.com>
parents: 592
diff changeset
3027 jcc(code, CC_Z, no_extra);
898
2f1157f00dc6 Z80 core is now slightly less broken
Michael Pavone <pavone@retrodev.com>
parents: 895
diff changeset
3028 sub_ir(code, 16-sizeof(void *), RSP, SZ_PTR);
593
5ef3fe516da9 Z80 core is sort of working again
Michael Pavone <pavone@retrodev.com>
parents: 592
diff changeset
3029 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
3030 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
3031 *no_extra = code->cur - (no_extra + 1);
5ef3fe516da9 Z80 core is sort of working again
Michael Pavone <pavone@retrodev.com>
parents: 592
diff changeset
3032 jmp_rind(code, options->gen.context_reg);
895
13388ab6d78a Get Z80 core sort of working again post alignment change
Michael Pavone <pavone@retrodev.com>
parents: 894
diff changeset
3033 code->stack_off = tmp_stack_off;
213
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
3034 }
235
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
3035
590
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
3036 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
3037 {
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
3038 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
3039 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
3040 context->static_code_map->base = NULL;
235
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
3041 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
3042 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
3043 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
3044 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
3045 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
3046 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
3047 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
3048 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
3049 }
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c
Michael Pavone <pavone@retrodev.com>
parents: 667
diff changeset
3050
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c
Michael Pavone <pavone@retrodev.com>
parents: 667
diff changeset
3051 void z80_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
3052 {
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c
Michael Pavone <pavone@retrodev.com>
parents: 667
diff changeset
3053 if (context->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
3054 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
3055 } 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
3056 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
3057 //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
3058 //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
3059 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
3060 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
3061 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
3062 }
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c
Michael Pavone <pavone@retrodev.com>
parents: 667
diff changeset
3063 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
3064 {
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c
Michael Pavone <pavone@retrodev.com>
parents: 667
diff changeset
3065 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
3066 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
3067 }
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c
Michael Pavone <pavone@retrodev.com>
parents: 667
diff changeset
3068 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
3069 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
3070 } 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
3071 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
3072 }
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c
Michael Pavone <pavone@retrodev.com>
parents: 667
diff changeset
3073 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
3074 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
3075 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
3076 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
3077 }
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c
Michael Pavone <pavone@retrodev.com>
parents: 667
diff changeset
3078 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
3079 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
3080 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
3081 }
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c
Michael Pavone <pavone@retrodev.com>
parents: 667
diff changeset
3082 }
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c
Michael Pavone <pavone@retrodev.com>
parents: 667
diff changeset
3083 }
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c
Michael Pavone <pavone@retrodev.com>
parents: 667
diff changeset
3084 }
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c
Michael Pavone <pavone@retrodev.com>
parents: 667
diff changeset
3085
884
252dfd29831d Selecting a second game from the menu now works
Michael Pavone <pavone@retrodev.com>
parents: 854
diff changeset
3086 void z80_options_free(z80_options *opts)
252dfd29831d Selecting a second game from the menu now works
Michael Pavone <pavone@retrodev.com>
parents: 854
diff changeset
3087 {
252dfd29831d Selecting a second game from the menu now works
Michael Pavone <pavone@retrodev.com>
parents: 854
diff changeset
3088 free(opts->gen.native_code_map);
252dfd29831d Selecting a second game from the menu now works
Michael Pavone <pavone@retrodev.com>
parents: 854
diff changeset
3089 free(opts->gen.ram_inst_sizes);
252dfd29831d Selecting a second game from the menu now works
Michael Pavone <pavone@retrodev.com>
parents: 854
diff changeset
3090 free(opts);
252dfd29831d Selecting a second game from the menu now works
Michael Pavone <pavone@retrodev.com>
parents: 854
diff changeset
3091 }
252dfd29831d Selecting a second game from the menu now works
Michael Pavone <pavone@retrodev.com>
parents: 854
diff changeset
3092
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
3093 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
3094 {
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c
Michael Pavone <pavone@retrodev.com>
parents: 667
diff changeset
3095 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
3096 context->reset = 1;
235
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
3097 }
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
3098
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
3099 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
3100 {
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c
Michael Pavone <pavone@retrodev.com>
parents: 667
diff changeset
3101 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
3102 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
3103 //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
3104 context->im = 0;
200ee73c7210 Remove/comment verbose logging added for tracking down sync bug
Michael Pavone <pavone@retrodev.com>
parents: 697
diff changeset
3105 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
3106 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
3107 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
3108 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
3109 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
3110 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
3111 //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
3112 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
3113 }
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
3114 }
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c
Michael Pavone <pavone@retrodev.com>
parents: 667
diff changeset
3115 }
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c
Michael Pavone <pavone@retrodev.com>
parents: 667
diff changeset
3116
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c
Michael Pavone <pavone@retrodev.com>
parents: 667
diff changeset
3117 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
3118 {
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c
Michael Pavone <pavone@retrodev.com>
parents: 667
diff changeset
3119 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
3120 context->busreq = 1;
854
adeb6465ad53 Improve timing of Z80 busack. Fixes a crash in Barkley: Shut Up and Jam. Also vastly improves the audio output of Stuck Somewhere in Time
Michael Pavone <pavone@retrodev.com>
parents: 844
diff changeset
3121 //this is an imperfect aproximation since most M-cycles take less tstates than the max
adeb6465ad53 Improve timing of Z80 busack. Fixes a crash in Barkley: Shut Up and Jam. Also vastly improves the audio output of Stuck Somewhere in Time
Michael Pavone <pavone@retrodev.com>
parents: 844
diff changeset
3122 //and a short 3-tstate m-cycle can take an unbounded number due to wait states
adeb6465ad53 Improve timing of Z80 busack. Fixes a crash in Barkley: Shut Up and Jam. Also vastly improves the audio output of Stuck Somewhere in Time
Michael Pavone <pavone@retrodev.com>
parents: 844
diff changeset
3123 if (context->current_cycle - cycle > MAX_MCYCLE_LENGTH * context->options->gen.clock_divider) {
adeb6465ad53 Improve timing of Z80 busack. Fixes a crash in Barkley: Shut Up and Jam. Also vastly improves the audio output of Stuck Somewhere in Time
Michael Pavone <pavone@retrodev.com>
parents: 844
diff changeset
3124 context->busack = 1;
adeb6465ad53 Improve timing of Z80 busack. Fixes a crash in Barkley: Shut Up and Jam. Also vastly improves the audio output of Stuck Somewhere in Time
Michael Pavone <pavone@retrodev.com>
parents: 844
diff changeset
3125 }
701
200ee73c7210 Remove/comment verbose logging added for tracking down sync bug
Michael Pavone <pavone@retrodev.com>
parents: 697
diff changeset
3126 }
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
3127
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c
Michael Pavone <pavone@retrodev.com>
parents: 667
diff changeset
3128 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
3129 {
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c
Michael Pavone <pavone@retrodev.com>
parents: 667
diff changeset
3130 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
3131 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
3132 context->busack = 0;
844
74e161fe7d39 Small tweaks to timing of 68K/Z80 interactions based on latest tests
Michael Pavone <pavone@retrodev.com>
parents: 842
diff changeset
3133 //there appears to be at least a 1 Z80 cycle delay between busreq
74e161fe7d39 Small tweaks to timing of 68K/Z80 interactions based on latest tests
Michael Pavone <pavone@retrodev.com>
parents: 842
diff changeset
3134 //being released and resumption of execution
74e161fe7d39 Small tweaks to timing of 68K/Z80 interactions based on latest tests
Michael Pavone <pavone@retrodev.com>
parents: 842
diff changeset
3135 context->current_cycle += context->options->gen.clock_divider;
235
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
3136 }
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
3137
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
3138 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
3139 {
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
3140 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
3141 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
3142 }
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c
Michael Pavone <pavone@retrodev.com>
parents: 667
diff changeset
3143
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c
Michael Pavone <pavone@retrodev.com>
parents: 667
diff changeset
3144 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
3145 {
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c
Michael Pavone <pavone@retrodev.com>
parents: 667
diff changeset
3146 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
3147 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
3148 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
3149 } 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
3150 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
3151 }
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c
Michael Pavone <pavone@retrodev.com>
parents: 667
diff changeset
3152 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
3153 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
3154 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
3155 } 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
3156 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
3157 }
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c
Michael Pavone <pavone@retrodev.com>
parents: 667
diff changeset
3158 }
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c
Michael Pavone <pavone@retrodev.com>
parents: 667
diff changeset
3159 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
3160 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
3161 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
3162 } 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
3163 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
3164 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
3165 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
3166 } 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
3167 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
3168 }
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c
Michael Pavone <pavone@retrodev.com>
parents: 667
diff changeset
3169 }
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c
Michael Pavone <pavone@retrodev.com>
parents: 667
diff changeset
3170 }
235
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
3171 }
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
3172
652
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
3173 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
3174 {
966
f765c2fc7508 Fix crash bug in Z80 debugger introduced with stack alignment changes
Michael Pavone <pavone@retrodev.com>
parents: 900
diff changeset
3175 code_info code = {dst, dst+32};
659
759c38bf97f8 Minor Z80 core cleanup
Michael Pavone <pavone@retrodev.com>
parents: 657
diff changeset
3176 mov_ir(&code, address, context->options->gen.scratch1, SZ_W);
652
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
3177 call(&code, context->bp_stub);
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
3178 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
3179 }
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
3180
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
3181 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
3182 {
652
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
3183 z80_options * opts = context->options;
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
3184 code_info *code = &opts->gen.code;
894
a7774fc2de4b Partially working change to do proper stack alignment rather than doing a lame alignment check when calling a C compile dfunction. 68K core seems okay, but Z80 is busted.
Michael Pavone <pavone@retrodev.com>
parents: 884
diff changeset
3185 uint32_t start_stack_off = code->stack_off;
652
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
3186 check_code_prologue(code);
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
3187 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
3188
682
Michael Pavone <pavone@retrodev.com>
parents: 676 559
diff changeset
3189 //Calculate length of prologue
652
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
3190 check_cycles_int(&opts->gen, 0);
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
3191 int check_int_size = code->cur-context->bp_stub;
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
3192 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
3193
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
3194 //Calculate length of patch
652
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
3195 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
3196
682
Michael Pavone <pavone@retrodev.com>
parents: 676 559
diff changeset
3197 //Save context and call breakpoint handler
652
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
3198 call(code, opts->gen.save_context);
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
3199 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
3200 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
3201 mov_rr(code, RAX, opts->gen.context_reg, SZ_PTR);
682
Michael Pavone <pavone@retrodev.com>
parents: 676 559
diff changeset
3202 //Restore context
652
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
3203 call(code, opts->gen.load_context);
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
3204 pop_r(code, opts->gen.scratch1);
682
Michael Pavone <pavone@retrodev.com>
parents: 676 559
diff changeset
3205 //do prologue stuff
652
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
3206 cmp_rr(code, opts->gen.cycles, opts->gen.limit, SZ_D);
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
3207 uint8_t * jmp_off = code->cur+1;
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
3208 jcc(code, CC_NC, code->cur + 7);
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
3209 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
3210 add_ir(code, check_int_size - patch_size, opts->gen.scratch1, SZ_PTR);
652
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
3211 push_r(code, opts->gen.scratch1);
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
3212 jmp(code, opts->gen.handle_cycle_limit_int);
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
3213 *jmp_off = code->cur - (jmp_off+1);
682
Michael Pavone <pavone@retrodev.com>
parents: 676 559
diff changeset
3214 //jump back to body of translated instruction
652
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
3215 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
3216 add_ir(code, check_int_size - patch_size, opts->gen.scratch1, SZ_PTR);
652
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
3217 jmp_r(code, opts->gen.scratch1);
894
a7774fc2de4b Partially working change to do proper stack alignment rather than doing a lame alignment check when calling a C compile dfunction. 68K core seems okay, but Z80 is busted.
Michael Pavone <pavone@retrodev.com>
parents: 884
diff changeset
3218 code->stack_off = start_stack_off;
235
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
3219 }
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
3220
366
836585d389b8 Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents: 363
diff changeset
3221 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
3222 {
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
3223 context->bp_handler = bp_handler;
819
ab017fb09e77 Added support for an IO memory map in Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 792
diff changeset
3224 uint8_t bit = 1 << (address % 8);
ab017fb09e77 Added support for an IO memory map in Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 792
diff changeset
3225 if (!(bit & context->breakpoint_flags[address / 8])) {
ab017fb09e77 Added support for an IO memory map in Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 792
diff changeset
3226 context->breakpoint_flags[address / 8] |= bit;
626
7c46891a29b1 Properly handle Z80 breakpoints on self-modifying code and setting Z80 breakpoints before the Z80 program has been loaded
Michael Pavone <pavone@retrodev.com>
parents: 625
diff changeset
3227 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
3228 zcreate_stub(context);
366
836585d389b8 Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents: 363
diff changeset
3229 }
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
3230 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
3231 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
3232 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
3233 }
366
836585d389b8 Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents: 363
diff changeset
3234 }
836585d389b8 Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents: 363
diff changeset
3235 }
235
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
3236
366
836585d389b8 Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents: 363
diff changeset
3237 void zremove_breakpoint(z80_context * context, uint16_t address)
836585d389b8 Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents: 363
diff changeset
3238 {
819
ab017fb09e77 Added support for an IO memory map in Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 792
diff changeset
3239 context->breakpoint_flags[address / 8] &= ~(1 << (address % 8));
366
836585d389b8 Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents: 363
diff changeset
3240 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
3241 if (native) {
652
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
3242 z80_options * opts = context->options;
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
3243 code_info tmp_code = opts->gen.code;
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
3244 opts->gen.code.cur = native;
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
3245 opts->gen.code.last = native + 16;
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
3246 check_cycles_int(&opts->gen, address);
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
3247 opts->gen.code = tmp_code;
792
724bbec47f86 Use a new fatal_error function instead of calling fprintf and exit for fatal errors. This new function more gracefully handles the case in which BlastEm was not started from a terminal or disconnected from ther terminal (Windows).
Michael Pavone <pavone@retrodev.com>
parents: 755
diff changeset
3248 }
366
836585d389b8 Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents: 363
diff changeset
3249 }
836585d389b8 Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents: 363
diff changeset
3250