annotate z80_to_x86.c @ 989:d70000fdff0b

Implemented IR and undefined bits of info word for address error exception frames
author Michael Pavone <pavone@retrodev.com>
date Wed, 27 Apr 2016 21:39:17 -0700
parents 1eb616b8cbe9
children fbfb821e92a8
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1 /*
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2 Copyright 2013 Michael Pavone
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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
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parents: 506
diff changeset
139 ror_ir(code, 8, opts->regs[Z80_IY], SZ_W);
312
cf7ecda060c7 Properly handle instructions that use boty IYH and IYL
Mike Pavone <pavone@retrodev.com>
parents: 311
diff changeset
140 }
268
6c2d7e003a55 Sync Z80 on writes to busreq/reset ports. NULL out extra_pc on z80 reset
Mike Pavone <pavone@retrodev.com>
parents: 267
diff changeset
141 } else if (opts->regs[inst->reg] >= AH && opts->regs[inst->reg] <= BH) {
6c2d7e003a55 Sync Z80 on writes to busreq/reset ports. NULL out extra_pc on z80 reset
Mike Pavone <pavone@retrodev.com>
parents: 267
diff changeset
142 if ((inst->addr_mode & 0x1F) == Z80_REG) {
6c2d7e003a55 Sync Z80 on writes to busreq/reset ports. NULL out extra_pc on z80 reset
Mike Pavone <pavone@retrodev.com>
parents: 267
diff changeset
143 uint8_t other_reg = opts->regs[inst->ea_reg];
269
3c054d977175 Fix IX/IY displace modes. Fix check for registers requiring REX.
Mike Pavone <pavone@retrodev.com>
parents: 268
diff changeset
144 if (other_reg >= R8 || (other_reg >= RSP && other_reg <= RDI)) {
268
6c2d7e003a55 Sync Z80 on writes to busreq/reset ports. NULL out extra_pc on z80 reset
Mike Pavone <pavone@retrodev.com>
parents: 267
diff changeset
145 //we can't mix an *H reg with a register that requires the REX prefix
590
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
146 ror_ir(code, 8, opts->regs[z80_low_reg(inst->reg)], SZ_W);
268
6c2d7e003a55 Sync Z80 on writes to busreq/reset ports. NULL out extra_pc on z80 reset
Mike Pavone <pavone@retrodev.com>
parents: 267
diff changeset
147 }
6c2d7e003a55 Sync Z80 on writes to busreq/reset ports. NULL out extra_pc on z80 reset
Mike Pavone <pavone@retrodev.com>
parents: 267
diff changeset
148 } else if((inst->addr_mode & 0x1F) != Z80_UNUSED && (inst->addr_mode & 0x1F) != Z80_IMMED) {
6c2d7e003a55 Sync Z80 on writes to busreq/reset ports. NULL out extra_pc on z80 reset
Mike Pavone <pavone@retrodev.com>
parents: 267
diff changeset
149 //temp regs require REX prefix too
590
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
150 ror_ir(code, 8, opts->regs[z80_low_reg(inst->reg)], SZ_W);
267
1788e3f29c28 Don't mix *H regs with the REX prefix
Mike Pavone <pavone@retrodev.com>
parents: 266
diff changeset
151 }
213
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
152 }
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
153 }
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
154
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
155 void translate_z80_ea(z80inst * inst, host_ea * ea, z80_options * opts, uint8_t read, uint8_t modify)
213
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
156 {
590
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
157 code_info *code = &opts->gen.code;
730
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
158 uint8_t size, areg;
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
159 int8_t reg;
235
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
160 ea->mode = MODE_REG_DIRECT;
590
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
161 areg = read ? opts->gen.scratch1 : opts->gen.scratch2;
213
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
162 switch(inst->addr_mode & 0x1F)
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
163 {
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
164 case Z80_REG:
731
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
165 if (inst->ea_reg == Z80_IYH && opts->regs[Z80_IYL] >= 0) {
312
cf7ecda060c7 Properly handle instructions that use boty IYH and IYL
Mike Pavone <pavone@retrodev.com>
parents: 311
diff changeset
166 if (inst->reg == Z80_IYL) {
590
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
167 mov_rr(code, opts->regs[Z80_IY], opts->gen.scratch1, SZ_W);
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
168 ror_ir(code, 8, opts->gen.scratch1, SZ_W);
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
169 ea->base = opts->gen.scratch1;
312
cf7ecda060c7 Properly handle instructions that use boty IYH and IYL
Mike Pavone <pavone@retrodev.com>
parents: 311
diff changeset
170 } else {
cf7ecda060c7 Properly handle instructions that use boty IYH and IYL
Mike Pavone <pavone@retrodev.com>
parents: 311
diff changeset
171 ea->base = opts->regs[Z80_IYL];
590
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
172 ror_ir(code, 8, opts->regs[Z80_IY], SZ_W);
312
cf7ecda060c7 Properly handle instructions that use boty IYH and IYL
Mike Pavone <pavone@retrodev.com>
parents: 311
diff changeset
173 }
651
103d5cabbe14 Fix flags for rra, rrca, rla and rlca. Fix timing for rr, rrc, rl and rlc when using IX or IY. Fix access to I and R registers (R still needs to be made 7-bit though). Fix flags for ld a, i. The fix for access to I fixes PCM playback in Titan Overdrive and music playback in Crackdown.
Michael Pavone <pavone@retrodev.com>
parents: 644
diff changeset
174 } else if(opts->regs[inst->ea_reg] >= 0) {
213
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
175 ea->base = opts->regs[inst->ea_reg];
267
1788e3f29c28 Don't mix *H regs with the REX prefix
Mike Pavone <pavone@retrodev.com>
parents: 266
diff changeset
176 if (ea->base >= AH && ea->base <= BH && inst->reg != Z80_UNUSED && inst->reg != Z80_USE_IMMED) {
1788e3f29c28 Don't mix *H regs with the REX prefix
Mike Pavone <pavone@retrodev.com>
parents: 266
diff changeset
177 uint8_t other_reg = opts->regs[inst->reg];
666
b68039895627 In theory, the Z80 core should work on 32-bit builds now; however, I suspect there is some code that cannot deal with most of the Z80 registers not having a native register so more work will be needed
Michael Pavone <pavone@retrodev.com>
parents: 665
diff changeset
178 #ifdef X86_64
269
3c054d977175 Fix IX/IY displace modes. Fix check for registers requiring REX.
Mike Pavone <pavone@retrodev.com>
parents: 268
diff changeset
179 if (other_reg >= R8 || (other_reg >= RSP && other_reg <= RDI)) {
267
1788e3f29c28 Don't mix *H regs with the REX prefix
Mike Pavone <pavone@retrodev.com>
parents: 266
diff changeset
180 //we can't mix an *H reg with a register that requires the REX prefix
1788e3f29c28 Don't mix *H regs with the REX prefix
Mike Pavone <pavone@retrodev.com>
parents: 266
diff changeset
181 ea->base = opts->regs[z80_low_reg(inst->ea_reg)];
590
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
182 ror_ir(code, 8, ea->base, SZ_W);
267
1788e3f29c28 Don't mix *H regs with the REX prefix
Mike Pavone <pavone@retrodev.com>
parents: 266
diff changeset
183 }
666
b68039895627 In theory, the Z80 core should work on 32-bit builds now; however, I suspect there is some code that cannot deal with most of the Z80 registers not having a native register so more work will be needed
Michael Pavone <pavone@retrodev.com>
parents: 665
diff changeset
184 #endif
267
1788e3f29c28 Don't mix *H regs with the REX prefix
Mike Pavone <pavone@retrodev.com>
parents: 266
diff changeset
185 }
651
103d5cabbe14 Fix flags for rra, rrca, rla and rlca. Fix timing for rr, rrc, rl and rlc when using IX or IY. Fix access to I and R registers (R still needs to be made 7-bit though). Fix flags for ld a, i. The fix for access to I fixes PCM playback in Titan Overdrive and music playback in Crackdown.
Michael Pavone <pavone@retrodev.com>
parents: 644
diff changeset
186 } else {
103d5cabbe14 Fix flags for rra, rrca, rla and rlca. Fix timing for rr, rrc, rl and rlc when using IX or IY. Fix access to I and R registers (R still needs to be made 7-bit though). Fix flags for ld a, i. The fix for access to I fixes PCM playback in Titan Overdrive and music playback in Crackdown.
Michael Pavone <pavone@retrodev.com>
parents: 644
diff changeset
187 ea->mode = MODE_REG_DISPLACE8;
659
759c38bf97f8 Minor Z80 core cleanup
Michael Pavone <pavone@retrodev.com>
parents: 657
diff changeset
188 ea->base = opts->gen.context_reg;
731
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
189 ea->disp = zr_off(inst->ea_reg);
213
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
190 }
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
191 break;
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
192 case Z80_REG_INDIRECT:
731
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
193 zreg_to_native(opts, inst->ea_reg, areg);
213
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
194 size = z80_size(inst);
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
195 if (read) {
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
196 if (modify) {
590
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
197 //push_r(code, opts->gen.scratch1);
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
198 mov_rrdisp(code, opts->gen.scratch1, opts->gen.context_reg, offsetof(z80_context, scratch1), SZ_W);
213
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
199 }
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
200 if (size == SZ_B) {
590
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
201 call(code, opts->read_8);
213
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
202 } else {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
203 call(code, opts->read_16);
213
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
204 }
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
205 if (modify) {
590
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
206 //pop_r(code, opts->gen.scratch2);
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
207 mov_rdispr(code, opts->gen.context_reg, offsetof(z80_context, scratch1), opts->gen.scratch2, SZ_W);
213
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
208 }
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
209 }
590
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
210 ea->base = opts->gen.scratch1;
213
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
211 break;
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
212 case Z80_IMMED:
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
213 ea->mode = MODE_IMMED;
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
214 ea->disp = inst->immed;
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
215 break;
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
216 case Z80_IMMED_INDIRECT:
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
217 mov_ir(code, inst->immed, areg, SZ_W);
213
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
218 size = z80_size(inst);
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
219 if (read) {
277
765e132edd71 Using push/pop inside translated code is not compatible with the current way the Z80 core returns to the caller
Mike Pavone <pavone@retrodev.com>
parents: 275
diff changeset
220 /*if (modify) {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
221 push_r(code, opts->gen.scratch1);
277
765e132edd71 Using push/pop inside translated code is not compatible with the current way the Z80 core returns to the caller
Mike Pavone <pavone@retrodev.com>
parents: 275
diff changeset
222 }*/
213
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
223 if (size == SZ_B) {
593
5ef3fe516da9 Z80 core is sort of working again
Michael Pavone <pavone@retrodev.com>
parents: 592
diff changeset
224 call(code, opts->read_8);
213
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
225 } else {
593
5ef3fe516da9 Z80 core is sort of working again
Michael Pavone <pavone@retrodev.com>
parents: 592
diff changeset
226 call(code, opts->read_16);
213
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
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parents:
diff changeset
227 }
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
228 if (modify) {
591
966b46c68942 Get Z80 core back into compileable state
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parents: 590
diff changeset
229 //pop_r(code, opts->gen.scratch2);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
230 mov_ir(code, inst->immed, opts->gen.scratch2, SZ_W);
213
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
231 }
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
232 }
590
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
233 ea->base = opts->gen.scratch1;
213
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
234 break;
235
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
235 case Z80_IX_DISPLACE:
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
236 case Z80_IY_DISPLACE:
731
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
237 zreg_to_native(opts, (inst->addr_mode & 0x1F) == Z80_IX_DISPLACE ? Z80_IX : Z80_IY, areg);
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
238 add_ir(code, inst->ea_reg & 0x80 ? inst->ea_reg - 256 : inst->ea_reg, areg, SZ_W);
213
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
239 size = z80_size(inst);
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
240 if (read) {
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
241 if (modify) {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
242 //push_r(code, opts->gen.scratch1);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
243 mov_rrdisp(code, opts->gen.scratch1, opts->gen.context_reg, offsetof(z80_context, scratch1), SZ_W);
213
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
244 }
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
245 if (size == SZ_B) {
593
5ef3fe516da9 Z80 core is sort of working again
Michael Pavone <pavone@retrodev.com>
parents: 592
diff changeset
246 call(code, opts->read_8);
213
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
247 } else {
593
5ef3fe516da9 Z80 core is sort of working again
Michael Pavone <pavone@retrodev.com>
parents: 592
diff changeset
248 call(code, opts->read_16);
213
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
249 }
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
250 if (modify) {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
251 //pop_r(code, opts->gen.scratch2);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
252 mov_rdispr(code, opts->gen.context_reg, offsetof(z80_context, scratch1), opts->gen.scratch2, SZ_W);
213
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
253 }
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
254 }
590
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
255 ea->base = opts->gen.scratch1;
213
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
256 break;
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
257 case Z80_UNUSED:
235
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
258 ea->mode = MODE_UNUSED;
213
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
259 break;
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
260 default:
792
724bbec47f86 Use a new fatal_error function instead of calling fprintf and exit for fatal errors. This new function more gracefully handles the case in which BlastEm was not started from a terminal or disconnected from ther terminal (Windows).
Michael Pavone <pavone@retrodev.com>
parents: 755
diff changeset
261 fatal_error("Unrecognized Z80 addressing mode %d\n", inst->addr_mode & 0x1F);
213
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
262 }
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
263 }
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
264
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
265 void z80_save_ea(code_info *code, z80inst * inst, z80_options * opts)
213
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
266 {
267
1788e3f29c28 Don't mix *H regs with the REX prefix
Mike Pavone <pavone@retrodev.com>
parents: 266
diff changeset
267 if ((inst->addr_mode & 0x1F) == Z80_REG) {
731
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
268 if (inst->ea_reg == Z80_IYH && opts->regs[Z80_IYL] >= 0) {
312
cf7ecda060c7 Properly handle instructions that use boty IYH and IYL
Mike Pavone <pavone@retrodev.com>
parents: 311
diff changeset
269 if (inst->reg == Z80_IYL) {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
270 ror_ir(code, 8, opts->regs[Z80_IY], SZ_W);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
271 mov_rr(code, opts->gen.scratch1, opts->regs[Z80_IYL], SZ_B);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
272 ror_ir(code, 8, opts->regs[Z80_IY], SZ_W);
312
cf7ecda060c7 Properly handle instructions that use boty IYH and IYL
Mike Pavone <pavone@retrodev.com>
parents: 311
diff changeset
273 } else {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
274 ror_ir(code, 8, opts->regs[Z80_IY], SZ_W);
312
cf7ecda060c7 Properly handle instructions that use boty IYH and IYL
Mike Pavone <pavone@retrodev.com>
parents: 311
diff changeset
275 }
267
1788e3f29c28 Don't mix *H regs with the REX prefix
Mike Pavone <pavone@retrodev.com>
parents: 266
diff changeset
276 } else if (inst->reg != Z80_UNUSED && inst->reg != Z80_USE_IMMED && opts->regs[inst->ea_reg] >= AH && opts->regs[inst->ea_reg] <= BH) {
1788e3f29c28 Don't mix *H regs with the REX prefix
Mike Pavone <pavone@retrodev.com>
parents: 266
diff changeset
277 uint8_t other_reg = opts->regs[inst->reg];
666
b68039895627 In theory, the Z80 core should work on 32-bit builds now; however, I suspect there is some code that cannot deal with most of the Z80 registers not having a native register so more work will be needed
Michael Pavone <pavone@retrodev.com>
parents: 665
diff changeset
278 #ifdef X86_64
269
3c054d977175 Fix IX/IY displace modes. Fix check for registers requiring REX.
Mike Pavone <pavone@retrodev.com>
parents: 268
diff changeset
279 if (other_reg >= R8 || (other_reg >= RSP && other_reg <= RDI)) {
267
1788e3f29c28 Don't mix *H regs with the REX prefix
Mike Pavone <pavone@retrodev.com>
parents: 266
diff changeset
280 //we can't mix an *H reg with a register that requires the REX prefix
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
281 ror_ir(code, 8, opts->regs[z80_low_reg(inst->ea_reg)], SZ_W);
267
1788e3f29c28 Don't mix *H regs with the REX prefix
Mike Pavone <pavone@retrodev.com>
parents: 266
diff changeset
282 }
666
b68039895627 In theory, the Z80 core should work on 32-bit builds now; however, I suspect there is some code that cannot deal with most of the Z80 registers not having a native register so more work will be needed
Michael Pavone <pavone@retrodev.com>
parents: 665
diff changeset
283 #endif
267
1788e3f29c28 Don't mix *H regs with the REX prefix
Mike Pavone <pavone@retrodev.com>
parents: 266
diff changeset
284 }
213
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
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parents:
diff changeset
285 }
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
286 }
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
287
593
5ef3fe516da9 Z80 core is sort of working again
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parents: 592
diff changeset
288 void z80_save_result(z80_options *opts, z80inst * inst)
213
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
289 {
253
3b34deba4ca0 Squashing some bugs introduced when I switched the register assignments for z80_write_byte around.
Mike Pavone <pavone@retrodev.com>
parents: 252
diff changeset
290 switch(inst->addr_mode & 0x1f)
3b34deba4ca0 Squashing some bugs introduced when I switched the register assignments for z80_write_byte around.
Mike Pavone <pavone@retrodev.com>
parents: 252
diff changeset
291 {
3b34deba4ca0 Squashing some bugs introduced when I switched the register assignments for z80_write_byte around.
Mike Pavone <pavone@retrodev.com>
parents: 252
diff changeset
292 case Z80_REG_INDIRECT:
3b34deba4ca0 Squashing some bugs introduced when I switched the register assignments for z80_write_byte around.
Mike Pavone <pavone@retrodev.com>
parents: 252
diff changeset
293 case Z80_IMMED_INDIRECT:
3b34deba4ca0 Squashing some bugs introduced when I switched the register assignments for z80_write_byte around.
Mike Pavone <pavone@retrodev.com>
parents: 252
diff changeset
294 case Z80_IX_DISPLACE:
3b34deba4ca0 Squashing some bugs introduced when I switched the register assignments for z80_write_byte around.
Mike Pavone <pavone@retrodev.com>
parents: 252
diff changeset
295 case Z80_IY_DISPLACE:
3b34deba4ca0 Squashing some bugs introduced when I switched the register assignments for z80_write_byte around.
Mike Pavone <pavone@retrodev.com>
parents: 252
diff changeset
296 if (z80_size(inst) == SZ_B) {
593
5ef3fe516da9 Z80 core is sort of working again
Michael Pavone <pavone@retrodev.com>
parents: 592
diff changeset
297 call(&opts->gen.code, opts->write_8);
253
3b34deba4ca0 Squashing some bugs introduced when I switched the register assignments for z80_write_byte around.
Mike Pavone <pavone@retrodev.com>
parents: 252
diff changeset
298 } else {
593
5ef3fe516da9 Z80 core is sort of working again
Michael Pavone <pavone@retrodev.com>
parents: 592
diff changeset
299 call(&opts->gen.code, opts->write_16_lowfirst);
253
3b34deba4ca0 Squashing some bugs introduced when I switched the register assignments for z80_write_byte around.
Mike Pavone <pavone@retrodev.com>
parents: 252
diff changeset
300 }
213
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
301 }
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
302 }
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
303
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
304 enum {
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
305 DONT_READ=0,
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
306 READ
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
307 };
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
308
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
309 enum {
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
310 DONT_MODIFY=0,
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
311 MODIFY
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
312 };
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
313
235
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
314 void z80_print_regs_exit(z80_context * context)
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
315 {
505
b7b7a1cab44a The local clone on my laptop got messed up and some changes had not been pushed. This commit represents the status of the working copy from that clone. It unfortunately contains some changes that I did not intend to commit yet, but this seems like the best option at the moment.
Michael Pavone <pavone@retrodev.com>
parents: 467
diff changeset
316 printf("A: %X\nB: %X\nC: %X\nD: %X\nE: %X\nHL: %X\nIX: %X\nIY: %X\nSP: %X\n\nIM: %d, IFF1: %d, IFF2: %d\n",
235
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
317 context->regs[Z80_A], context->regs[Z80_B], context->regs[Z80_C],
505
b7b7a1cab44a The local clone on my laptop got messed up and some changes had not been pushed. This commit represents the status of the working copy from that clone. It unfortunately contains some changes that I did not intend to commit yet, but this seems like the best option at the moment.
Michael Pavone <pavone@retrodev.com>
parents: 467
diff changeset
318 context->regs[Z80_D], context->regs[Z80_E],
b7b7a1cab44a The local clone on my laptop got messed up and some changes had not been pushed. This commit represents the status of the working copy from that clone. It unfortunately contains some changes that I did not intend to commit yet, but this seems like the best option at the moment.
Michael Pavone <pavone@retrodev.com>
parents: 467
diff changeset
319 (context->regs[Z80_H] << 8) | context->regs[Z80_L],
b7b7a1cab44a The local clone on my laptop got messed up and some changes had not been pushed. This commit represents the status of the working copy from that clone. It unfortunately contains some changes that I did not intend to commit yet, but this seems like the best option at the moment.
Michael Pavone <pavone@retrodev.com>
parents: 467
diff changeset
320 (context->regs[Z80_IXH] << 8) | context->regs[Z80_IXL],
b7b7a1cab44a The local clone on my laptop got messed up and some changes had not been pushed. This commit represents the status of the working copy from that clone. It unfortunately contains some changes that I did not intend to commit yet, but this seems like the best option at the moment.
Michael Pavone <pavone@retrodev.com>
parents: 467
diff changeset
321 (context->regs[Z80_IYH] << 8) | context->regs[Z80_IYL],
243
2f069a0b487e Implement EI, DI and IM in the Z80 core
Mike Pavone <pavone@retrodev.com>
parents: 242
diff changeset
322 context->sp, context->im, context->iff1, context->iff2);
241
2586d49ddd46 Implement EX, EXX and RST in Z80 core
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
323 puts("--Alternate Regs--");
505
b7b7a1cab44a The local clone on my laptop got messed up and some changes had not been pushed. This commit represents the status of the working copy from that clone. It unfortunately contains some changes that I did not intend to commit yet, but this seems like the best option at the moment.
Michael Pavone <pavone@retrodev.com>
parents: 467
diff changeset
324 printf("A: %X\nB: %X\nC: %X\nD: %X\nE: %X\nHL: %X\nIX: %X\nIY: %X\n",
241
2586d49ddd46 Implement EX, EXX and RST in Z80 core
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
325 context->alt_regs[Z80_A], context->alt_regs[Z80_B], context->alt_regs[Z80_C],
505
b7b7a1cab44a The local clone on my laptop got messed up and some changes had not been pushed. This commit represents the status of the working copy from that clone. It unfortunately contains some changes that I did not intend to commit yet, but this seems like the best option at the moment.
Michael Pavone <pavone@retrodev.com>
parents: 467
diff changeset
326 context->alt_regs[Z80_D], context->alt_regs[Z80_E],
b7b7a1cab44a The local clone on my laptop got messed up and some changes had not been pushed. This commit represents the status of the working copy from that clone. It unfortunately contains some changes that I did not intend to commit yet, but this seems like the best option at the moment.
Michael Pavone <pavone@retrodev.com>
parents: 467
diff changeset
327 (context->alt_regs[Z80_H] << 8) | context->alt_regs[Z80_L],
b7b7a1cab44a The local clone on my laptop got messed up and some changes had not been pushed. This commit represents the status of the working copy from that clone. It unfortunately contains some changes that I did not intend to commit yet, but this seems like the best option at the moment.
Michael Pavone <pavone@retrodev.com>
parents: 467
diff changeset
328 (context->alt_regs[Z80_IXH] << 8) | context->alt_regs[Z80_IXL],
241
2586d49ddd46 Implement EX, EXX and RST in Z80 core
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
329 (context->alt_regs[Z80_IYH] << 8) | context->alt_regs[Z80_IYL]);
235
d9bf8e61c33c Get Z80 core working for simple programs
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parents: 213
diff changeset
330 exit(0);
d9bf8e61c33c Get Z80 core working for simple programs
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parents: 213
diff changeset
331 }
d9bf8e61c33c Get Z80 core working for simple programs
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parents: 213
diff changeset
332
652
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
333 void translate_z80inst(z80inst * inst, z80_context * context, uint16_t address, uint8_t interp)
213
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
334 {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
335 uint32_t num_cycles;
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
336 host_ea src_op, dst_op;
235
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
337 uint8_t size;
590
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
338 z80_options *opts = context->options;
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
339 uint8_t * start = opts->gen.code.cur;
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
340 code_info *code = &opts->gen.code;
627
c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses
Michael Pavone <pavone@retrodev.com>
parents: 626
diff changeset
341 if (!interp) {
652
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
342 check_cycles_int(&opts->gen, address);
819
ab017fb09e77 Added support for an IO memory map in Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 792
diff changeset
343 if (context->breakpoint_flags[address / 8] & (1 << (address % 8))) {
627
c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses
Michael Pavone <pavone@retrodev.com>
parents: 626
diff changeset
344 zbreakpoint_patch(context, address, start);
c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses
Michael Pavone <pavone@retrodev.com>
parents: 626
diff changeset
345 }
735
539d12fa6a4d Add a define in both the source and Makefile for enabling logging of z80 instruction address/cycle counts. Fix Z80 in/out instructions to eliminate assumptions about which registers are stored in native regs. Fix read_16 to not corrupt the low byte when the read has to call into a C function.
Michael Pavone <pavone@retrodev.com>
parents: 734
diff changeset
346 #ifdef Z80_LOG_ADDRESS
539d12fa6a4d Add a define in both the source and Makefile for enabling logging of z80 instruction address/cycle counts. Fix Z80 in/out instructions to eliminate assumptions about which registers are stored in native regs. Fix read_16 to not corrupt the low byte when the read has to call into a C function.
Michael Pavone <pavone@retrodev.com>
parents: 734
diff changeset
347 log_address(&opts->gen, address, "Z80: %X @ %d\n");
539d12fa6a4d Add a define in both the source and Makefile for enabling logging of z80 instruction address/cycle counts. Fix Z80 in/out instructions to eliminate assumptions about which registers are stored in native regs. Fix read_16 to not corrupt the low byte when the read has to call into a C function.
Michael Pavone <pavone@retrodev.com>
parents: 734
diff changeset
348 #endif
626
7c46891a29b1 Properly handle Z80 breakpoints on self-modifying code and setting Z80 breakpoints before the Z80 program has been loaded
Michael Pavone <pavone@retrodev.com>
parents: 625
diff changeset
349 }
213
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
350 switch(inst->op)
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
351 {
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
352 case Z80_LD:
235
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
353 size = z80_size(inst);
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
354 switch (inst->addr_mode & 0x1F)
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
355 {
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
356 case Z80_REG:
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
357 case Z80_REG_INDIRECT:
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
358 num_cycles = size == SZ_B ? 4 : 6;
841
58606d16d35c Fix timing of certain variants of LD
Michael Pavone <pavone@retrodev.com>
parents: 840
diff changeset
359 if (inst->ea_reg == Z80_IX || inst->ea_reg == Z80_IY || (inst->ea_reg >= Z80_IXL && inst->ea_reg <= Z80_IYH)) {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
360 num_cycles += 4;
235
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
361 }
841
58606d16d35c Fix timing of certain variants of LD
Michael Pavone <pavone@retrodev.com>
parents: 840
diff changeset
362 if (inst->reg == Z80_I || inst->ea_reg == Z80_I || inst->reg == Z80_R || inst->ea_reg == Z80_R) {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
363 num_cycles += 5;
506
a3b48a57e847 Fix timing of certain ld and jp instructions in the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 505
diff changeset
364 }
235
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
365 break;
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
366 case Z80_IMMED:
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
367 num_cycles = size == SZ_B ? 7 : 10;
235
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
368 break;
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
369 case Z80_IMMED_INDIRECT:
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
370 num_cycles = 10;
235
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
371 break;
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
372 case Z80_IX_DISPLACE:
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
373 case Z80_IY_DISPLACE:
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
374 num_cycles = 16;
235
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
375 break;
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
376 }
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
377 if ((inst->reg >= Z80_IXL && inst->reg <= Z80_IYH) || inst->reg == Z80_IX || inst->reg == Z80_IY) {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
378 num_cycles += 4;
235
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
379 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
380 cycles(&opts->gen, num_cycles);
213
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
381 if (inst->addr_mode & Z80_DIR) {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
382 translate_z80_ea(inst, &dst_op, opts, DONT_READ, MODIFY);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
383 translate_z80_reg(inst, &src_op, opts);
235
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
384 } else {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
385 translate_z80_ea(inst, &src_op, opts, READ, DONT_MODIFY);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
386 translate_z80_reg(inst, &dst_op, opts);
213
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
387 }
235
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
388 if (src_op.mode == MODE_REG_DIRECT) {
262
d97c9eca49f4 Implement ld to and from the I and R registers
Mike Pavone <pavone@retrodev.com>
parents: 261
diff changeset
389 if(dst_op.mode == MODE_REG_DISPLACE8) {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
390 mov_rrdisp(code, src_op.base, dst_op.base, dst_op.disp, size);
262
d97c9eca49f4 Implement ld to and from the I and R registers
Mike Pavone <pavone@retrodev.com>
parents: 261
diff changeset
391 } else {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
392 mov_rr(code, src_op.base, dst_op.base, size);
262
d97c9eca49f4 Implement ld to and from the I and R registers
Mike Pavone <pavone@retrodev.com>
parents: 261
diff changeset
393 }
d97c9eca49f4 Implement ld to and from the I and R registers
Mike Pavone <pavone@retrodev.com>
parents: 261
diff changeset
394 } else if(src_op.mode == MODE_IMMED) {
730
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
395 if(dst_op.mode == MODE_REG_DISPLACE8) {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
396 mov_irdisp(code, src_op.disp, dst_op.base, dst_op.disp, size);
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
397 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
398 mov_ir(code, src_op.disp, dst_op.base, size);
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
399 }
213
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
400 } else {
730
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
401 if(dst_op.mode == MODE_REG_DISPLACE8) {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
402 mov_rdispr(code, src_op.base, src_op.disp, opts->gen.scratch1, size);
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
403 mov_rrdisp(code, opts->gen.scratch1, dst_op.base, dst_op.disp, size);
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
404 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
405 mov_rdispr(code, src_op.base, src_op.disp, dst_op.base, size);
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
406 }
213
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
407 }
842
ba93a3941300 Set flags for ld a, r
Michael Pavone <pavone@retrodev.com>
parents: 841
diff changeset
408 if ((inst->ea_reg == Z80_I || inst->ea_reg == Z80_R) && inst->addr_mode == Z80_REG) {
ba93a3941300 Set flags for ld a, r
Michael Pavone <pavone@retrodev.com>
parents: 841
diff changeset
409 //ld a, i and ld a, r sets some flags
652
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
410 cmp_ir(code, 0, dst_op.base, SZ_B);
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
411 setcc_rdisp(code, CC_Z, opts->gen.context_reg, zf_off(ZF_Z));
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
412 setcc_rdisp(code, CC_S, opts->gen.context_reg, zf_off(ZF_S));
821
21a69dfb6ee7 Implement half carry for a couple of the trivial cases
Michael Pavone <pavone@retrodev.com>
parents: 819
diff changeset
413 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_H), SZ_B);;
652
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
414 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_N), SZ_B);;
659
759c38bf97f8 Minor Z80 core cleanup
Michael Pavone <pavone@retrodev.com>
parents: 657
diff changeset
415 mov_rdispr(code, opts->gen.context_reg, offsetof(z80_context, iff2), opts->gen.scratch1, SZ_B);
652
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
416 mov_rrdisp(code, opts->gen.scratch1, opts->gen.context_reg, zf_off(ZF_PV), SZ_B);
651
103d5cabbe14 Fix flags for rra, rrca, rla and rlca. Fix timing for rr, rrc, rl and rlc when using IX or IY. Fix access to I and R registers (R still needs to be made 7-bit though). Fix flags for ld a, i. The fix for access to I fixes PCM playback in Titan Overdrive and music playback in Crackdown.
Michael Pavone <pavone@retrodev.com>
parents: 644
diff changeset
417 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
418 z80_save_reg(inst, opts);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
419 z80_save_ea(code, inst, opts);
235
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
420 if (inst->addr_mode & Z80_DIR) {
593
5ef3fe516da9 Z80 core is sort of working again
Michael Pavone <pavone@retrodev.com>
parents: 592
diff changeset
421 z80_save_result(opts, inst);
213
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
422 }
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
423 break;
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
424 case Z80_PUSH:
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
425 cycles(&opts->gen, (inst->reg == Z80_IX || inst->reg == Z80_IY) ? 9 : 5);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
426 sub_ir(code, 2, opts->regs[Z80_SP], SZ_W);
235
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
427 if (inst->reg == Z80_AF) {
729
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken
Michael Pavone <pavone@retrodev.com>
parents: 716
diff changeset
428 zreg_to_native(opts, Z80_A, opts->gen.scratch1);
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
429 shl_ir(code, 8, opts->gen.scratch1, SZ_W);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
430 mov_rdispr(code, opts->gen.context_reg, zf_off(ZF_S), opts->gen.scratch1, SZ_B);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
431 shl_ir(code, 1, opts->gen.scratch1, SZ_B);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
432 or_rdispr(code, opts->gen.context_reg, zf_off(ZF_Z), opts->gen.scratch1, SZ_B);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
433 shl_ir(code, 2, opts->gen.scratch1, SZ_B);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
434 or_rdispr(code, opts->gen.context_reg, zf_off(ZF_H), opts->gen.scratch1, SZ_B);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
435 shl_ir(code, 2, opts->gen.scratch1, SZ_B);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
436 or_rdispr(code, opts->gen.context_reg, zf_off(ZF_PV), opts->gen.scratch1, SZ_B);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
437 shl_ir(code, 1, opts->gen.scratch1, SZ_B);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
438 or_rdispr(code, opts->gen.context_reg, zf_off(ZF_N), opts->gen.scratch1, SZ_B);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
439 shl_ir(code, 1, opts->gen.scratch1, SZ_B);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
440 or_rdispr(code, opts->gen.context_reg, zf_off(ZF_C), opts->gen.scratch1, SZ_B);
235
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
441 } else {
731
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
442 zreg_to_native(opts, inst->reg, opts->gen.scratch1);
235
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
443 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
444 mov_rr(code, opts->regs[Z80_SP], opts->gen.scratch2, SZ_W);
593
5ef3fe516da9 Z80 core is sort of working again
Michael Pavone <pavone@retrodev.com>
parents: 592
diff changeset
445 call(code, opts->write_16_highfirst);
235
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
446 //no call to save_z80_reg needed since there's no chance we'll use the only
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
447 //the upper half of a register pair
213
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
448 break;
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
449 case Z80_POP:
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
450 cycles(&opts->gen, (inst->reg == Z80_IX || inst->reg == Z80_IY) ? 8 : 4);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
451 mov_rr(code, opts->regs[Z80_SP], opts->gen.scratch1, SZ_W);
593
5ef3fe516da9 Z80 core is sort of working again
Michael Pavone <pavone@retrodev.com>
parents: 592
diff changeset
452 call(code, opts->read_16);
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
453 add_ir(code, 2, opts->regs[Z80_SP], SZ_W);
235
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
454 if (inst->reg == Z80_AF) {
505
b7b7a1cab44a The local clone on my laptop got messed up and some changes had not been pushed. This commit represents the status of the working copy from that clone. It unfortunately contains some changes that I did not intend to commit yet, but this seems like the best option at the moment.
Michael Pavone <pavone@retrodev.com>
parents: 467
diff changeset
455
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
456 bt_ir(code, 0, opts->gen.scratch1, SZ_W);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
457 setcc_rdisp(code, CC_C, opts->gen.context_reg, zf_off(ZF_C));
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
458 bt_ir(code, 1, opts->gen.scratch1, SZ_W);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
459 setcc_rdisp(code, CC_C, opts->gen.context_reg, zf_off(ZF_N));
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
460 bt_ir(code, 2, opts->gen.scratch1, SZ_W);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
461 setcc_rdisp(code, CC_C, opts->gen.context_reg, zf_off(ZF_PV));
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
462 bt_ir(code, 4, opts->gen.scratch1, SZ_W);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
463 setcc_rdisp(code, CC_C, opts->gen.context_reg, zf_off(ZF_H));
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
464 bt_ir(code, 6, opts->gen.scratch1, SZ_W);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
465 setcc_rdisp(code, CC_C, opts->gen.context_reg, zf_off(ZF_Z));
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
466 bt_ir(code, 7, opts->gen.scratch1, SZ_W);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
467 setcc_rdisp(code, CC_C, opts->gen.context_reg, zf_off(ZF_S));
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
468 shr_ir(code, 8, opts->gen.scratch1, SZ_W);
729
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken
Michael Pavone <pavone@retrodev.com>
parents: 716
diff changeset
469 native_to_zreg(opts, opts->gen.scratch1, Z80_A);
235
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
470 } else {
731
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
471 native_to_zreg(opts, opts->gen.scratch1, inst->reg);
235
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
472 }
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
473 //no call to save_z80_reg needed since there's no chance we'll use the only
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
474 //the upper half of a register pair
213
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
475 break;
241
2586d49ddd46 Implement EX, EXX and RST in Z80 core
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
476 case Z80_EX:
2586d49ddd46 Implement EX, EXX and RST in Z80 core
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
477 if (inst->addr_mode == Z80_REG || inst->reg == Z80_HL) {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
478 num_cycles = 4;
241
2586d49ddd46 Implement EX, EXX and RST in Z80 core
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
479 } else {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
480 num_cycles = 8;
241
2586d49ddd46 Implement EX, EXX and RST in Z80 core
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
481 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
482 cycles(&opts->gen, num_cycles);
241
2586d49ddd46 Implement EX, EXX and RST in Z80 core
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
483 if (inst->addr_mode == Z80_REG) {
2586d49ddd46 Implement EX, EXX and RST in Z80 core
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
484 if(inst->reg == Z80_AF) {
729
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken
Michael Pavone <pavone@retrodev.com>
parents: 716
diff changeset
485 zreg_to_native(opts, Z80_A, opts->gen.scratch1);
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken
Michael Pavone <pavone@retrodev.com>
parents: 716
diff changeset
486 mov_rdispr(code, opts->gen.context_reg, zar_off(Z80_A), opts->gen.scratch2, SZ_B);
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
487 mov_rrdisp(code, opts->gen.scratch1, opts->gen.context_reg, zar_off(Z80_A), SZ_B);
729
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken
Michael Pavone <pavone@retrodev.com>
parents: 716
diff changeset
488 native_to_zreg(opts, opts->gen.scratch2, Z80_A);
505
b7b7a1cab44a The local clone on my laptop got messed up and some changes had not been pushed. This commit represents the status of the working copy from that clone. It unfortunately contains some changes that I did not intend to commit yet, but this seems like the best option at the moment.
Michael Pavone <pavone@retrodev.com>
parents: 467
diff changeset
489
241
2586d49ddd46 Implement EX, EXX and RST in Z80 core
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
490 //Flags are currently word aligned, so we can move
2586d49ddd46 Implement EX, EXX and RST in Z80 core
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
491 //them efficiently a word at a time
2586d49ddd46 Implement EX, EXX and RST in Z80 core
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
492 for (int f = ZF_C; f < ZF_NUM; f+=2) {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
493 mov_rdispr(code, opts->gen.context_reg, zf_off(f), opts->gen.scratch1, SZ_W);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
494 mov_rdispr(code, opts->gen.context_reg, zaf_off(f), opts->gen.scratch2, SZ_W);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
495 mov_rrdisp(code, opts->gen.scratch1, opts->gen.context_reg, zaf_off(f), SZ_W);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
496 mov_rrdisp(code, opts->gen.scratch2, opts->gen.context_reg, zf_off(f), SZ_W);
241
2586d49ddd46 Implement EX, EXX and RST in Z80 core
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
497 }
2586d49ddd46 Implement EX, EXX and RST in Z80 core
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
498 } else {
729
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken
Michael Pavone <pavone@retrodev.com>
parents: 716
diff changeset
499 if (opts->regs[Z80_DE] >= 0 && opts->regs[Z80_HL] >= 0) {
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken
Michael Pavone <pavone@retrodev.com>
parents: 716
diff changeset
500 xchg_rr(code, opts->regs[Z80_DE], opts->regs[Z80_HL], SZ_W);
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken
Michael Pavone <pavone@retrodev.com>
parents: 716
diff changeset
501 } else {
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken
Michael Pavone <pavone@retrodev.com>
parents: 716
diff changeset
502 zreg_to_native(opts, Z80_DE, opts->gen.scratch1);
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken
Michael Pavone <pavone@retrodev.com>
parents: 716
diff changeset
503 zreg_to_native(opts, Z80_HL, opts->gen.scratch2);
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken
Michael Pavone <pavone@retrodev.com>
parents: 716
diff changeset
504 native_to_zreg(opts, opts->gen.scratch1, Z80_HL);
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken
Michael Pavone <pavone@retrodev.com>
parents: 716
diff changeset
505 native_to_zreg(opts, opts->gen.scratch2, Z80_DE);
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken
Michael Pavone <pavone@retrodev.com>
parents: 716
diff changeset
506 }
241
2586d49ddd46 Implement EX, EXX and RST in Z80 core
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
507 }
2586d49ddd46 Implement EX, EXX and RST in Z80 core
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
508 } else {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
509 mov_rr(code, opts->regs[Z80_SP], opts->gen.scratch1, SZ_W);
593
5ef3fe516da9 Z80 core is sort of working again
Michael Pavone <pavone@retrodev.com>
parents: 592
diff changeset
510 call(code, opts->read_8);
729
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken
Michael Pavone <pavone@retrodev.com>
parents: 716
diff changeset
511 if (opts->regs[inst->reg] >= 0) {
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken
Michael Pavone <pavone@retrodev.com>
parents: 716
diff changeset
512 xchg_rr(code, opts->regs[inst->reg], opts->gen.scratch1, SZ_B);
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken
Michael Pavone <pavone@retrodev.com>
parents: 716
diff changeset
513 } else {
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken
Michael Pavone <pavone@retrodev.com>
parents: 716
diff changeset
514 zreg_to_native(opts, inst->reg, opts->gen.scratch2);
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken
Michael Pavone <pavone@retrodev.com>
parents: 716
diff changeset
515 xchg_rr(code, opts->gen.scratch1, opts->gen.scratch2, SZ_B);
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken
Michael Pavone <pavone@retrodev.com>
parents: 716
diff changeset
516 native_to_zreg(opts, opts->gen.scratch2, inst->reg);
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken
Michael Pavone <pavone@retrodev.com>
parents: 716
diff changeset
517 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
518 mov_rr(code, opts->regs[Z80_SP], opts->gen.scratch2, SZ_W);
593
5ef3fe516da9 Z80 core is sort of working again
Michael Pavone <pavone@retrodev.com>
parents: 592
diff changeset
519 call(code, opts->write_8);
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
520 cycles(&opts->gen, 1);
241
2586d49ddd46 Implement EX, EXX and RST in Z80 core
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
521 uint8_t high_reg = z80_high_reg(inst->reg);
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
522 mov_rr(code, opts->regs[Z80_SP], opts->gen.scratch1, SZ_W);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
523 add_ir(code, 1, opts->gen.scratch1, SZ_W);
593
5ef3fe516da9 Z80 core is sort of working again
Michael Pavone <pavone@retrodev.com>
parents: 592
diff changeset
524 call(code, opts->read_8);
729
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken
Michael Pavone <pavone@retrodev.com>
parents: 716
diff changeset
525 if (opts->regs[inst->reg] >= 0) {
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken
Michael Pavone <pavone@retrodev.com>
parents: 716
diff changeset
526 //even though some of the upper halves can be used directly
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken
Michael Pavone <pavone@retrodev.com>
parents: 716
diff changeset
527 //the limitations on mixing *H regs with the REX prefix
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken
Michael Pavone <pavone@retrodev.com>
parents: 716
diff changeset
528 //prevent us from taking advantage of it
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken
Michael Pavone <pavone@retrodev.com>
parents: 716
diff changeset
529 uint8_t use_reg = opts->regs[inst->reg];
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken
Michael Pavone <pavone@retrodev.com>
parents: 716
diff changeset
530 ror_ir(code, 8, use_reg, SZ_W);
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken
Michael Pavone <pavone@retrodev.com>
parents: 716
diff changeset
531 xchg_rr(code, use_reg, opts->gen.scratch1, SZ_B);
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken
Michael Pavone <pavone@retrodev.com>
parents: 716
diff changeset
532 //restore reg to normal rotation
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken
Michael Pavone <pavone@retrodev.com>
parents: 716
diff changeset
533 ror_ir(code, 8, use_reg, SZ_W);
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken
Michael Pavone <pavone@retrodev.com>
parents: 716
diff changeset
534 } else {
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken
Michael Pavone <pavone@retrodev.com>
parents: 716
diff changeset
535 zreg_to_native(opts, high_reg, opts->gen.scratch2);
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken
Michael Pavone <pavone@retrodev.com>
parents: 716
diff changeset
536 xchg_rr(code, opts->gen.scratch1, opts->gen.scratch2, SZ_B);
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken
Michael Pavone <pavone@retrodev.com>
parents: 716
diff changeset
537 native_to_zreg(opts, opts->gen.scratch2, high_reg);
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken
Michael Pavone <pavone@retrodev.com>
parents: 716
diff changeset
538 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
539 mov_rr(code, opts->regs[Z80_SP], opts->gen.scratch2, SZ_W);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
540 add_ir(code, 1, opts->gen.scratch2, SZ_W);
593
5ef3fe516da9 Z80 core is sort of working again
Michael Pavone <pavone@retrodev.com>
parents: 592
diff changeset
541 call(code, opts->write_8);
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
542 cycles(&opts->gen, 2);
241
2586d49ddd46 Implement EX, EXX and RST in Z80 core
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
543 }
2586d49ddd46 Implement EX, EXX and RST in Z80 core
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
544 break;
213
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
545 case Z80_EXX:
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
546 cycles(&opts->gen, 4);
729
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken
Michael Pavone <pavone@retrodev.com>
parents: 716
diff changeset
547 zreg_to_native(opts, Z80_BC, opts->gen.scratch1);
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken
Michael Pavone <pavone@retrodev.com>
parents: 716
diff changeset
548 mov_rdispr(code, opts->gen.context_reg, zar_off(Z80_BC), opts->gen.scratch2, SZ_W);
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken
Michael Pavone <pavone@retrodev.com>
parents: 716
diff changeset
549 mov_rrdisp(code, opts->gen.scratch1, opts->gen.context_reg, zar_off(Z80_BC), SZ_W);
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken
Michael Pavone <pavone@retrodev.com>
parents: 716
diff changeset
550 native_to_zreg(opts, opts->gen.scratch2, Z80_BC);
840
5822c6e5642f Fix timing of IM instruction
Michael Pavone <pavone@retrodev.com>
parents: 828
diff changeset
551
729
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken
Michael Pavone <pavone@retrodev.com>
parents: 716
diff changeset
552 zreg_to_native(opts, Z80_HL, opts->gen.scratch1);
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken
Michael Pavone <pavone@retrodev.com>
parents: 716
diff changeset
553 mov_rdispr(code, opts->gen.context_reg, zar_off(Z80_HL), opts->gen.scratch2, SZ_W);
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken
Michael Pavone <pavone@retrodev.com>
parents: 716
diff changeset
554 mov_rrdisp(code, opts->gen.scratch1, opts->gen.context_reg, zar_off(Z80_HL), SZ_W);
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken
Michael Pavone <pavone@retrodev.com>
parents: 716
diff changeset
555 native_to_zreg(opts, opts->gen.scratch2, Z80_HL);
840
5822c6e5642f Fix timing of IM instruction
Michael Pavone <pavone@retrodev.com>
parents: 828
diff changeset
556
729
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken
Michael Pavone <pavone@retrodev.com>
parents: 716
diff changeset
557 zreg_to_native(opts, Z80_DE, opts->gen.scratch1);
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken
Michael Pavone <pavone@retrodev.com>
parents: 716
diff changeset
558 mov_rdispr(code, opts->gen.context_reg, zar_off(Z80_DE), opts->gen.scratch2, SZ_W);
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken
Michael Pavone <pavone@retrodev.com>
parents: 716
diff changeset
559 mov_rrdisp(code, opts->gen.scratch1, opts->gen.context_reg, zar_off(Z80_DE), SZ_W);
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken
Michael Pavone <pavone@retrodev.com>
parents: 716
diff changeset
560 native_to_zreg(opts, opts->gen.scratch2, Z80_DE);
241
2586d49ddd46 Implement EX, EXX and RST in Z80 core
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
561 break;
272
9b04b57434b5 Implement LDI
Mike Pavone <pavone@retrodev.com>
parents: 269
diff changeset
562 case Z80_LDI: {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
563 cycles(&opts->gen, 8);
729
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken
Michael Pavone <pavone@retrodev.com>
parents: 716
diff changeset
564 zreg_to_native(opts, Z80_HL, opts->gen.scratch1);
593
5ef3fe516da9 Z80 core is sort of working again
Michael Pavone <pavone@retrodev.com>
parents: 592
diff changeset
565 call(code, opts->read_8);
729
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken
Michael Pavone <pavone@retrodev.com>
parents: 716
diff changeset
566 zreg_to_native(opts, Z80_DE, opts->gen.scratch2);
593
5ef3fe516da9 Z80 core is sort of working again
Michael Pavone <pavone@retrodev.com>
parents: 592
diff changeset
567 call(code, opts->write_8);
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
568 cycles(&opts->gen, 2);
729
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken
Michael Pavone <pavone@retrodev.com>
parents: 716
diff changeset
569 if (opts->regs[Z80_DE] >= 0) {
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken
Michael Pavone <pavone@retrodev.com>
parents: 716
diff changeset
570 add_ir(code, 1, opts->regs[Z80_DE], SZ_W);
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken
Michael Pavone <pavone@retrodev.com>
parents: 716
diff changeset
571 } else {
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken
Michael Pavone <pavone@retrodev.com>
parents: 716
diff changeset
572 add_irdisp(code, 1, opts->gen.context_reg, zr_off(Z80_DE), SZ_W);
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken
Michael Pavone <pavone@retrodev.com>
parents: 716
diff changeset
573 }
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken
Michael Pavone <pavone@retrodev.com>
parents: 716
diff changeset
574 if (opts->regs[Z80_HL] >= 0) {
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken
Michael Pavone <pavone@retrodev.com>
parents: 716
diff changeset
575 add_ir(code, 1, opts->regs[Z80_HL], SZ_W);
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken
Michael Pavone <pavone@retrodev.com>
parents: 716
diff changeset
576 } else {
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken
Michael Pavone <pavone@retrodev.com>
parents: 716
diff changeset
577 add_irdisp(code, 1, opts->gen.context_reg, zr_off(Z80_HL), SZ_W);
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken
Michael Pavone <pavone@retrodev.com>
parents: 716
diff changeset
578 }
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken
Michael Pavone <pavone@retrodev.com>
parents: 716
diff changeset
579 if (opts->regs[Z80_BC] >= 0) {
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken
Michael Pavone <pavone@retrodev.com>
parents: 716
diff changeset
580 sub_ir(code, 1, opts->regs[Z80_BC], SZ_W);
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken
Michael Pavone <pavone@retrodev.com>
parents: 716
diff changeset
581 } else {
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken
Michael Pavone <pavone@retrodev.com>
parents: 716
diff changeset
582 sub_irdisp(code, 1, opts->gen.context_reg, zr_off(Z80_BC), SZ_W);
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken
Michael Pavone <pavone@retrodev.com>
parents: 716
diff changeset
583 }
821
21a69dfb6ee7 Implement half carry for a couple of the trivial cases
Michael Pavone <pavone@retrodev.com>
parents: 819
diff changeset
584 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_H), SZ_B);
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
585 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_N), SZ_B);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
586 setcc_rdisp(code, CC_NZ, opts->gen.context_reg, zf_off(ZF_PV));
272
9b04b57434b5 Implement LDI
Mike Pavone <pavone@retrodev.com>
parents: 269
diff changeset
587 break;
9b04b57434b5 Implement LDI
Mike Pavone <pavone@retrodev.com>
parents: 269
diff changeset
588 }
261
f0c53a4bbfa3 Implement LDIR and fix a bug in which context was not restored after a call to z80_handle_code_write
Mike Pavone <pavone@retrodev.com>
parents: 259
diff changeset
589 case Z80_LDIR: {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
590 cycles(&opts->gen, 8);
729
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken
Michael Pavone <pavone@retrodev.com>
parents: 716
diff changeset
591 zreg_to_native(opts, Z80_HL, opts->gen.scratch1);
593
5ef3fe516da9 Z80 core is sort of working again
Michael Pavone <pavone@retrodev.com>
parents: 592
diff changeset
592 call(code, opts->read_8);
729
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken
Michael Pavone <pavone@retrodev.com>
parents: 716
diff changeset
593 zreg_to_native(opts, Z80_DE, opts->gen.scratch2);
593
5ef3fe516da9 Z80 core is sort of working again
Michael Pavone <pavone@retrodev.com>
parents: 592
diff changeset
594 call(code, opts->write_8);
729
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken
Michael Pavone <pavone@retrodev.com>
parents: 716
diff changeset
595 if (opts->regs[Z80_DE] >= 0) {
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken
Michael Pavone <pavone@retrodev.com>
parents: 716
diff changeset
596 add_ir(code, 1, opts->regs[Z80_DE], SZ_W);
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken
Michael Pavone <pavone@retrodev.com>
parents: 716
diff changeset
597 } else {
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken
Michael Pavone <pavone@retrodev.com>
parents: 716
diff changeset
598 add_irdisp(code, 1, opts->gen.context_reg, zr_off(Z80_DE), SZ_W);
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken
Michael Pavone <pavone@retrodev.com>
parents: 716
diff changeset
599 }
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken
Michael Pavone <pavone@retrodev.com>
parents: 716
diff changeset
600 if (opts->regs[Z80_HL] >= 0) {
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken
Michael Pavone <pavone@retrodev.com>
parents: 716
diff changeset
601 add_ir(code, 1, opts->regs[Z80_HL], SZ_W);
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken
Michael Pavone <pavone@retrodev.com>
parents: 716
diff changeset
602 } else {
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken
Michael Pavone <pavone@retrodev.com>
parents: 716
diff changeset
603 add_irdisp(code, 1, opts->gen.context_reg, zr_off(Z80_HL), SZ_W);
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken
Michael Pavone <pavone@retrodev.com>
parents: 716
diff changeset
604 }
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken
Michael Pavone <pavone@retrodev.com>
parents: 716
diff changeset
605 if (opts->regs[Z80_BC] >= 0) {
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken
Michael Pavone <pavone@retrodev.com>
parents: 716
diff changeset
606 sub_ir(code, 1, opts->regs[Z80_BC], SZ_W);
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken
Michael Pavone <pavone@retrodev.com>
parents: 716
diff changeset
607 } else {
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken
Michael Pavone <pavone@retrodev.com>
parents: 716
diff changeset
608 sub_irdisp(code, 1, opts->gen.context_reg, zr_off(Z80_BC), SZ_W);
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken
Michael Pavone <pavone@retrodev.com>
parents: 716
diff changeset
609 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
610 uint8_t * cont = code->cur+1;
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
611 jcc(code, CC_Z, code->cur+2);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
612 cycles(&opts->gen, 7);
261
f0c53a4bbfa3 Implement LDIR and fix a bug in which context was not restored after a call to z80_handle_code_write
Mike Pavone <pavone@retrodev.com>
parents: 259
diff changeset
613 //TODO: Figure out what the flag state should be here
f0c53a4bbfa3 Implement LDIR and fix a bug in which context was not restored after a call to z80_handle_code_write
Mike Pavone <pavone@retrodev.com>
parents: 259
diff changeset
614 //TODO: Figure out whether an interrupt can interrupt this
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
615 jmp(code, start);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
616 *cont = code->cur - (cont + 1);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
617 cycles(&opts->gen, 2);
821
21a69dfb6ee7 Implement half carry for a couple of the trivial cases
Michael Pavone <pavone@retrodev.com>
parents: 819
diff changeset
618 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
619 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
620 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
621 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
622 }
273
719b9fea2fe9 Implement LDD and LDDR
Mike Pavone <pavone@retrodev.com>
parents: 272
diff changeset
623 case Z80_LDD: {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
624 cycles(&opts->gen, 8);
729
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken
Michael Pavone <pavone@retrodev.com>
parents: 716
diff changeset
625 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
626 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
627 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
628 call(code, opts->write_8);
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
629 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
630 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
631 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
632 } 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
633 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
634 }
9ef6db986982 Fix a bunch of assumptions about which 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 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
636 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
637 } 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
638 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
639 }
9ef6db986982 Fix a bunch of assumptions about which 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 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
641 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
642 } 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
643 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
644 }
821
21a69dfb6ee7 Implement half carry for a couple of the trivial cases
Michael Pavone <pavone@retrodev.com>
parents: 819
diff changeset
645 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
646 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
647 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
648 break;
719b9fea2fe9 Implement LDD and LDDR
Mike Pavone <pavone@retrodev.com>
parents: 272
diff changeset
649 }
719b9fea2fe9 Implement LDD and LDDR
Mike Pavone <pavone@retrodev.com>
parents: 272
diff changeset
650 case Z80_LDDR: {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
651 cycles(&opts->gen, 8);
729
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken
Michael Pavone <pavone@retrodev.com>
parents: 716
diff changeset
652 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
653 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
654 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
655 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
656 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
657 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
658 } 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
659 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
660 }
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken
Michael Pavone <pavone@retrodev.com>
parents: 716
diff changeset
661 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
662 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
663 } 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
664 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
665 }
9ef6db986982 Fix a bunch of assumptions about which Z80 registers are stored in native registers to make the x86-32 build less broken
Michael Pavone <pavone@retrodev.com>
parents: 716
diff changeset
666 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
667 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
668 } 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
669 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
670 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
671 uint8_t * cont = code->cur+1;
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
672 jcc(code, CC_Z, code->cur+2);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
673 cycles(&opts->gen, 7);
273
719b9fea2fe9 Implement LDD and LDDR
Mike Pavone <pavone@retrodev.com>
parents: 272
diff changeset
674 //TODO: Figure out what the flag state should be here
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
675 jmp(code, start);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
676 *cont = code->cur - (cont + 1);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
677 cycles(&opts->gen, 2);
821
21a69dfb6ee7 Implement half carry for a couple of the trivial cases
Michael Pavone <pavone@retrodev.com>
parents: 819
diff changeset
678 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
679 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
680 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
681 break;
719b9fea2fe9 Implement LDD and LDDR
Mike Pavone <pavone@retrodev.com>
parents: 272
diff changeset
682 }
719b9fea2fe9 Implement LDD and LDDR
Mike Pavone <pavone@retrodev.com>
parents: 272
diff changeset
683 /*case Z80_CPI:
213
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
684 case Z80_CPIR:
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
685 case Z80_CPD:
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
686 case Z80_CPDR:
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
687 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
688 case Z80_ADD:
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
689 num_cycles = 4;
235
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
690 if (inst->addr_mode == Z80_IX_DISPLACE || inst->addr_mode == Z80_IY_DISPLACE) {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
691 num_cycles += 12;
213
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
692 } 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
693 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
694 } 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
695 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
696 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
697 cycles(&opts->gen, num_cycles);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
698 translate_z80_reg(inst, &dst_op, opts);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
699 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
700 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
701 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
702 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
703 } 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
704 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
705 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
706 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
707 }
213
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
708 } else {
730
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
709 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
710 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
711 } 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
712 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
713 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
714 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
715 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
716 }
213
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
717 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
718 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
719 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
720 //TODO: Implement half-carry flag
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
721 if (z80_size(inst) == SZ_B) {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
722 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
723 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
724 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
725 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
726 z80_save_reg(inst, opts);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
727 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
728 break;
248
9c7a3db7bcd0 Implement ADC and SBC in Z80 core (untested)
Mike Pavone <pavone@retrodev.com>
parents: 247
diff changeset
729 case Z80_ADC:
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
730 num_cycles = 4;
248
9c7a3db7bcd0 Implement ADC and SBC in Z80 core (untested)
Mike Pavone <pavone@retrodev.com>
parents: 247
diff changeset
731 if (inst->addr_mode == Z80_IX_DISPLACE || inst->addr_mode == Z80_IY_DISPLACE) {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
732 num_cycles += 12;
248
9c7a3db7bcd0 Implement ADC and SBC in Z80 core (untested)
Mike Pavone <pavone@retrodev.com>
parents: 247
diff changeset
733 } 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
734 num_cycles += 3;
248
9c7a3db7bcd0 Implement ADC and SBC in Z80 core (untested)
Mike Pavone <pavone@retrodev.com>
parents: 247
diff changeset
735 } 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
736 num_cycles += 4;
248
9c7a3db7bcd0 Implement ADC and SBC in Z80 core (untested)
Mike Pavone <pavone@retrodev.com>
parents: 247
diff changeset
737 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
738 cycles(&opts->gen, num_cycles);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
739 translate_z80_reg(inst, &dst_op, opts);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
740 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
741 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
742 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
743 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
744 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
745 } 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
746 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
747 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
748 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
749 }
248
9c7a3db7bcd0 Implement ADC and SBC in Z80 core (untested)
Mike Pavone <pavone@retrodev.com>
parents: 247
diff changeset
750 } else {
730
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
751 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
752 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
753 } 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
754 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
755 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
756 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
757 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
758 }
248
9c7a3db7bcd0 Implement ADC and SBC in Z80 core (untested)
Mike Pavone <pavone@retrodev.com>
parents: 247
diff changeset
759 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
760 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
761 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_N), SZ_B);
248
9c7a3db7bcd0 Implement ADC and SBC in Z80 core (untested)
Mike Pavone <pavone@retrodev.com>
parents: 247
diff changeset
762 //TODO: Implement half-carry flag
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
763 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
764 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
765 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
766 z80_save_reg(inst, opts);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
767 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
768 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
769 case Z80_SUB:
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
770 num_cycles = 4;
235
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
771 if (inst->addr_mode == Z80_IX_DISPLACE || inst->addr_mode == Z80_IY_DISPLACE) {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
772 num_cycles += 12;
213
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
773 } 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
774 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
775 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
776 cycles(&opts->gen, num_cycles);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
777 translate_z80_reg(inst, &dst_op, opts);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
778 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
779 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
780 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
781 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
782 } 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
783 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
784 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
785 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
786 }
213
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
787 } else {
730
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
788 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
789 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
790 } 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
791 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
792 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
793 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
794 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
795 }
213
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
796 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
797 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
798 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
799 setcc_rdisp(code, CC_O, opts->gen.context_reg, zf_off(ZF_PV));
213
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
800 //TODO: Implement half-carry flag
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
801 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
802 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
803 z80_save_reg(inst, opts);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
804 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
805 break;
248
9c7a3db7bcd0 Implement ADC and SBC in Z80 core (untested)
Mike Pavone <pavone@retrodev.com>
parents: 247
diff changeset
806 case Z80_SBC:
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
807 num_cycles = 4;
248
9c7a3db7bcd0 Implement ADC and SBC in Z80 core (untested)
Mike Pavone <pavone@retrodev.com>
parents: 247
diff changeset
808 if (inst->addr_mode == Z80_IX_DISPLACE || inst->addr_mode == Z80_IY_DISPLACE) {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
809 num_cycles += 12;
248
9c7a3db7bcd0 Implement ADC and SBC in Z80 core (untested)
Mike Pavone <pavone@retrodev.com>
parents: 247
diff changeset
810 } 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
811 num_cycles += 3;
248
9c7a3db7bcd0 Implement ADC and SBC in Z80 core (untested)
Mike Pavone <pavone@retrodev.com>
parents: 247
diff changeset
812 } 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
813 num_cycles += 4;
248
9c7a3db7bcd0 Implement ADC and SBC in Z80 core (untested)
Mike Pavone <pavone@retrodev.com>
parents: 247
diff changeset
814 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
815 cycles(&opts->gen, num_cycles);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
816 translate_z80_reg(inst, &dst_op, opts);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
817 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
818 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
819 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
820 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
821 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
822 } 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
823 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
824 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
825 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
826 }
248
9c7a3db7bcd0 Implement ADC and SBC in Z80 core (untested)
Mike Pavone <pavone@retrodev.com>
parents: 247
diff changeset
827 } else {
730
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
828 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
829 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
830 } 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
831 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
832 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
833 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
834 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
835 }
248
9c7a3db7bcd0 Implement ADC and SBC in Z80 core (untested)
Mike Pavone <pavone@retrodev.com>
parents: 247
diff changeset
836 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
837 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
838 mov_irdisp(code, 1, opts->gen.context_reg, zf_off(ZF_N), SZ_B);
248
9c7a3db7bcd0 Implement ADC and SBC in Z80 core (untested)
Mike Pavone <pavone@retrodev.com>
parents: 247
diff changeset
839 //TODO: Implement half-carry flag
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
840 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
841 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
842 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
843 z80_save_reg(inst, opts);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
844 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
845 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
846 case Z80_AND:
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
847 num_cycles = 4;
236
19fb3523a9e5 Implement more Z80 instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 235
diff changeset
848 if (inst->addr_mode == Z80_IX_DISPLACE || inst->addr_mode == Z80_IY_DISPLACE) {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
849 num_cycles += 12;
236
19fb3523a9e5 Implement more Z80 instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 235
diff changeset
850 } 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
851 num_cycles += 3;
236
19fb3523a9e5 Implement more Z80 instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 235
diff changeset
852 } 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
853 num_cycles += 4;
236
19fb3523a9e5 Implement more Z80 instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 235
diff changeset
854 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
855 cycles(&opts->gen, num_cycles);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
856 translate_z80_reg(inst, &dst_op, opts);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
857 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
858 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
859 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
860 } 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
861 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
862 } else {
730
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
863 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
864 }
19fb3523a9e5 Implement more Z80 instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 235
diff changeset
865 //TODO: Cleanup flags
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
866 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
867 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_N), SZ_B);
236
19fb3523a9e5 Implement more Z80 instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 235
diff changeset
868 //TODO: Implement half-carry flag
19fb3523a9e5 Implement more Z80 instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 235
diff changeset
869 if (z80_size(inst) == SZ_B) {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
870 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
871 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
872 setcc_rdisp(code, CC_S, opts->gen.context_reg, zf_off(ZF_S));
236
19fb3523a9e5 Implement more Z80 instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 235
diff changeset
873 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
874 z80_save_reg(inst, opts);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
875 z80_save_ea(code, inst, opts);
236
19fb3523a9e5 Implement more Z80 instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 235
diff changeset
876 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
877 case Z80_OR:
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
878 num_cycles = 4;
236
19fb3523a9e5 Implement more Z80 instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 235
diff changeset
879 if (inst->addr_mode == Z80_IX_DISPLACE || inst->addr_mode == Z80_IY_DISPLACE) {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
880 num_cycles += 12;
236
19fb3523a9e5 Implement more Z80 instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 235
diff changeset
881 } 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
882 num_cycles += 3;
236
19fb3523a9e5 Implement more Z80 instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 235
diff changeset
883 } 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
884 num_cycles += 4;
236
19fb3523a9e5 Implement more Z80 instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 235
diff changeset
885 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
886 cycles(&opts->gen, num_cycles);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
887 translate_z80_reg(inst, &dst_op, opts);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
888 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
889 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
890 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
891 } 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
892 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
893 } else {
730
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
894 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
895 }
19fb3523a9e5 Implement more Z80 instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 235
diff changeset
896 //TODO: Cleanup flags
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
897 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
898 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_N), SZ_B);
236
19fb3523a9e5 Implement more Z80 instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 235
diff changeset
899 //TODO: Implement half-carry flag
19fb3523a9e5 Implement more Z80 instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 235
diff changeset
900 if (z80_size(inst) == SZ_B) {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
901 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
902 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
903 setcc_rdisp(code, CC_S, opts->gen.context_reg, zf_off(ZF_S));
236
19fb3523a9e5 Implement more Z80 instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 235
diff changeset
904 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
905 z80_save_reg(inst, opts);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
906 z80_save_ea(code, inst, opts);
236
19fb3523a9e5 Implement more Z80 instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 235
diff changeset
907 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
908 case Z80_XOR:
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
909 num_cycles = 4;
236
19fb3523a9e5 Implement more Z80 instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 235
diff changeset
910 if (inst->addr_mode == Z80_IX_DISPLACE || inst->addr_mode == Z80_IY_DISPLACE) {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
911 num_cycles += 12;
236
19fb3523a9e5 Implement more Z80 instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 235
diff changeset
912 } 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
913 num_cycles += 3;
236
19fb3523a9e5 Implement more Z80 instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 235
diff changeset
914 } 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
915 num_cycles += 4;
236
19fb3523a9e5 Implement more Z80 instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 235
diff changeset
916 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
917 cycles(&opts->gen, num_cycles);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
918 translate_z80_reg(inst, &dst_op, opts);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
919 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
920 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
921 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
922 } 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
923 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
924 } else {
730
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
925 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
926 }
19fb3523a9e5 Implement more Z80 instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 235
diff changeset
927 //TODO: Cleanup flags
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
928 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
929 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_N), SZ_B);
236
19fb3523a9e5 Implement more Z80 instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 235
diff changeset
930 //TODO: Implement half-carry flag
19fb3523a9e5 Implement more Z80 instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 235
diff changeset
931 if (z80_size(inst) == SZ_B) {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
932 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
933 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
934 setcc_rdisp(code, CC_S, opts->gen.context_reg, zf_off(ZF_S));
236
19fb3523a9e5 Implement more Z80 instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 235
diff changeset
935 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
936 z80_save_reg(inst, opts);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
937 z80_save_ea(code, inst, opts);
236
19fb3523a9e5 Implement more Z80 instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 235
diff changeset
938 break;
242
d3b84b2a4397 Implemente CP (untested)
Mike Pavone <pavone@retrodev.com>
parents: 241
diff changeset
939 case Z80_CP:
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
940 num_cycles = 4;
242
d3b84b2a4397 Implemente CP (untested)
Mike Pavone <pavone@retrodev.com>
parents: 241
diff changeset
941 if (inst->addr_mode == Z80_IX_DISPLACE || inst->addr_mode == Z80_IY_DISPLACE) {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
942 num_cycles += 12;
242
d3b84b2a4397 Implemente CP (untested)
Mike Pavone <pavone@retrodev.com>
parents: 241
diff changeset
943 } 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
944 num_cycles += 3;
242
d3b84b2a4397 Implemente CP (untested)
Mike Pavone <pavone@retrodev.com>
parents: 241
diff changeset
945 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
946 cycles(&opts->gen, num_cycles);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
947 translate_z80_reg(inst, &dst_op, opts);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
948 translate_z80_ea(inst, &src_op, opts, READ, DONT_MODIFY);
242
d3b84b2a4397 Implemente CP (untested)
Mike Pavone <pavone@retrodev.com>
parents: 241
diff changeset
949 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
950 cmp_rr(code, src_op.base, dst_op.base, z80_size(inst));
730
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
951 } 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
952 cmp_ir(code, src_op.disp, dst_op.base, z80_size(inst));
242
d3b84b2a4397 Implemente CP (untested)
Mike Pavone <pavone@retrodev.com>
parents: 241
diff changeset
953 } else {
730
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
954 cmp_rdispr(code, src_op.base, src_op.disp, dst_op.base, z80_size(inst));
242
d3b84b2a4397 Implemente CP (untested)
Mike Pavone <pavone@retrodev.com>
parents: 241
diff changeset
955 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
956 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
957 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
958 setcc_rdisp(code, CC_O, opts->gen.context_reg, zf_off(ZF_PV));
242
d3b84b2a4397 Implemente CP (untested)
Mike Pavone <pavone@retrodev.com>
parents: 241
diff changeset
959 //TODO: Implement half-carry flag
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
960 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
961 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
962 z80_save_reg(inst, opts);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
963 z80_save_ea(code, inst, opts);
242
d3b84b2a4397 Implemente CP (untested)
Mike Pavone <pavone@retrodev.com>
parents: 241
diff changeset
964 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
965 case Z80_INC:
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
966 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
967 if (inst->reg == Z80_IX || inst->reg == Z80_IY) {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
968 num_cycles += 6;
213
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
969 } 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
970 num_cycles += 2;
213
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
971 } else if(inst->reg == Z80_IXH || inst->reg == Z80_IXL || inst->reg == Z80_IYH || inst->reg == Z80_IYL || inst->addr_mode == Z80_IX_DISPLACE || inst->addr_mode == Z80_IY_DISPLACE) {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
972 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
973 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
974 cycles(&opts->gen, num_cycles);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
975 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
976 if (dst_op.mode == MODE_UNUSED) {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
977 translate_z80_ea(inst, &dst_op, opts, READ, MODIFY);
213
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
978 }
730
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
979 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
980 add_ir(code, 1, dst_op.base, z80_size(inst));
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
981 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
982 add_irdisp(code, 1, dst_op.base, dst_op.disp, z80_size(inst));
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
983 }
213
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
984 if (z80_size(inst) == SZ_B) {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
985 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
986 //TODO: Implement half-carry flag
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
987 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
988 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
989 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
990 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
991 z80_save_reg(inst, opts);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
992 z80_save_ea(code, inst, opts);
593
5ef3fe516da9 Z80 core is sort of working again
Michael Pavone <pavone@retrodev.com>
parents: 592
diff changeset
993 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
994 break;
236
19fb3523a9e5 Implement more Z80 instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 235
diff changeset
995 case Z80_DEC:
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
996 num_cycles = 4;
236
19fb3523a9e5 Implement more Z80 instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 235
diff changeset
997 if (inst->reg == Z80_IX || inst->reg == Z80_IY) {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
998 num_cycles += 6;
236
19fb3523a9e5 Implement more Z80 instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 235
diff changeset
999 } 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
1000 num_cycles += 2;
236
19fb3523a9e5 Implement more Z80 instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 235
diff changeset
1001 } else if(inst->reg == Z80_IXH || inst->reg == Z80_IXL || inst->reg == Z80_IYH || inst->reg == Z80_IYL || inst->addr_mode == Z80_IX_DISPLACE || inst->addr_mode == Z80_IY_DISPLACE) {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1002 num_cycles += 4;
236
19fb3523a9e5 Implement more Z80 instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 235
diff changeset
1003 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1004 cycles(&opts->gen, num_cycles);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1005 translate_z80_reg(inst, &dst_op, opts);
236
19fb3523a9e5 Implement more Z80 instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 235
diff changeset
1006 if (dst_op.mode == MODE_UNUSED) {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1007 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
1008 }
730
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
1009 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
1010 sub_ir(code, 1, dst_op.base, z80_size(inst));
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
1011 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
1012 sub_irdisp(code, 1, dst_op.base, dst_op.disp, z80_size(inst));
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
1013 }
840
5822c6e5642f Fix timing of IM instruction
Michael Pavone <pavone@retrodev.com>
parents: 828
diff changeset
1014
236
19fb3523a9e5 Implement more Z80 instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 235
diff changeset
1015 if (z80_size(inst) == SZ_B) {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1016 mov_irdisp(code, 1, opts->gen.context_reg, zf_off(ZF_N), SZ_B);
236
19fb3523a9e5 Implement more Z80 instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 235
diff changeset
1017 //TODO: Implement half-carry flag
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1018 setcc_rdisp(code, CC_O, opts->gen.context_reg, zf_off(ZF_PV));
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1019 setcc_rdisp(code, CC_Z, opts->gen.context_reg, zf_off(ZF_Z));
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1020 setcc_rdisp(code, CC_S, opts->gen.context_reg, zf_off(ZF_S));
236
19fb3523a9e5 Implement more Z80 instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 235
diff changeset
1021 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1022 z80_save_reg(inst, opts);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1023 z80_save_ea(code, inst, opts);
593
5ef3fe516da9 Z80 core is sort of working again
Michael Pavone <pavone@retrodev.com>
parents: 592
diff changeset
1024 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
1025 break;
274
be2b845d3e94 Implement CPL and NEG (untested)
Mike Pavone <pavone@retrodev.com>
parents: 273
diff changeset
1026 //case Z80_DAA:
213
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1027 case Z80_CPL:
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1028 cycles(&opts->gen, 4);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1029 not_r(code, opts->regs[Z80_A], SZ_B);
274
be2b845d3e94 Implement CPL and NEG (untested)
Mike Pavone <pavone@retrodev.com>
parents: 273
diff changeset
1030 //TODO: Implement half-carry flag
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1031 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
1032 break;
be2b845d3e94 Implement CPL and NEG (untested)
Mike Pavone <pavone@retrodev.com>
parents: 273
diff changeset
1033 case Z80_NEG:
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1034 cycles(&opts->gen, 8);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1035 neg_r(code, opts->regs[Z80_A], SZ_B);
274
be2b845d3e94 Implement CPL and NEG (untested)
Mike Pavone <pavone@retrodev.com>
parents: 273
diff changeset
1036 //TODO: Implement half-carry flag
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1037 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
1038 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
1039 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
1040 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
1041 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
1042 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
1043 case Z80_CCF:
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1044 cycles(&opts->gen, 4);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1045 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
1046 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_N), SZ_B);
257
4c7933444df4 Implement CCF and SCF
Mike Pavone <pavone@retrodev.com>
parents: 255
diff changeset
1047 //TODO: Implement half-carry flag
4c7933444df4 Implement CCF and SCF
Mike Pavone <pavone@retrodev.com>
parents: 255
diff changeset
1048 break;
4c7933444df4 Implement CCF and SCF
Mike Pavone <pavone@retrodev.com>
parents: 255
diff changeset
1049 case Z80_SCF:
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1050 cycles(&opts->gen, 4);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1051 mov_irdisp(code, 1, opts->gen.context_reg, zf_off(ZF_C), SZ_B);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1052 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_N), SZ_B);
257
4c7933444df4 Implement CCF and SCF
Mike Pavone <pavone@retrodev.com>
parents: 255
diff changeset
1053 //TODO: Implement half-carry flag
4c7933444df4 Implement CCF and SCF
Mike Pavone <pavone@retrodev.com>
parents: 255
diff changeset
1054 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
1055 case Z80_NOP:
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1056 if (inst->immed == 42) {
593
5ef3fe516da9 Z80 core is sort of working again
Michael Pavone <pavone@retrodev.com>
parents: 592
diff changeset
1057 call(code, opts->gen.save_context);
657
92ce5ea5ffc9 Use call_args and call_args_abi in Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 653
diff changeset
1058 call_args(code, (code_ptr)z80_print_regs_exit, 1, opts->gen.context_reg);
213
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1059 } else {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1060 cycles(&opts->gen, 4 * inst->immed);
213
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1061 }
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1062 break;
593
5ef3fe516da9 Z80 core is sort of working again
Michael Pavone <pavone@retrodev.com>
parents: 592
diff changeset
1063 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
1064 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
1065 //this isn't terribly efficient, but it's good enough for now
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1066 cycles(&opts->gen, 4);
667
30ccf56842d6 All cycle counters are now based off the master clock. This seems to have messed up Z80 interrupt timing (music in Sonic 2 is too slow for instance), but things are generally working
Michael Pavone <pavone@retrodev.com>
parents: 666
diff changeset
1067 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
1068 jmp(code, loop_top);
285
021aeb6df19b Implement HALT (sort of tested)
Mike Pavone <pavone@retrodev.com>
parents: 284
diff changeset
1069 break;
593
5ef3fe516da9 Z80 core is sort of working again
Michael Pavone <pavone@retrodev.com>
parents: 592
diff changeset
1070 }
213
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1071 case Z80_DI:
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1072 cycles(&opts->gen, 4);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1073 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
1074 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
1075 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
1076 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
1077 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
1078 case Z80_EI:
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1079 cycles(&opts->gen, 4);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1080 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
1081 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
1082 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
1083 //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
1084 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
1085 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
1086 break;
213
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1087 case Z80_IM:
840
5822c6e5642f Fix timing of IM instruction
Michael Pavone <pavone@retrodev.com>
parents: 828
diff changeset
1088 cycles(&opts->gen, 8);
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1089 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
1090 break;
247
682e505f5757 Implement rotation and bit set/reset instructions (untested).
Mike Pavone <pavone@retrodev.com>
parents: 246
diff changeset
1091 case Z80_RLC:
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1092 num_cycles = inst->immed == 0 ? 4 : (inst->addr_mode == Z80_IX_DISPLACE || inst->addr_mode == Z80_IY_DISPLACE ? 16 : 8);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1093 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
1094 if (inst->addr_mode != Z80_UNUSED) {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1095 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
1096 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
1097 cycles(&opts->gen, 1);
247
682e505f5757 Implement rotation and bit set/reset instructions (untested).
Mike Pavone <pavone@retrodev.com>
parents: 246
diff changeset
1098 } else {
302
3b831fe32c15 More fixes for confusion between Z80_UNUSED and MODE_UNUSED
Mike Pavone <pavone@retrodev.com>
parents: 301
diff changeset
1099 src_op.mode = MODE_UNUSED;
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1100 translate_z80_reg(inst, &dst_op, opts);
247
682e505f5757 Implement rotation and bit set/reset instructions (untested).
Mike Pavone <pavone@retrodev.com>
parents: 246
diff changeset
1101 }
730
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
1102 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
1103 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
1104 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
1105 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
1106 }
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
1107 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
1108 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
1109 } 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
1110 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
1111 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1112 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
1113 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_N), SZ_B);
247
682e505f5757 Implement rotation and bit set/reset instructions (untested).
Mike Pavone <pavone@retrodev.com>
parents: 246
diff changeset
1114 //TODO: Implement half-carry flag
651
103d5cabbe14 Fix flags for rra, rrca, rla and rlca. Fix timing for rr, rrc, rl and rlc when using IX or IY. Fix access to I and R registers (R still needs to be made 7-bit though). Fix flags for ld a, i. The fix for access to I fixes PCM playback in Titan Overdrive and music playback in Crackdown.
Michael Pavone <pavone@retrodev.com>
parents: 644
diff changeset
1115 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
1116 //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
1117 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
1118 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
1119 } else {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1120 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
1121 }
730
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
1122 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
1123 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
1124 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
1125 }
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
1126 if (inst->addr_mode != Z80_UNUSED) {
593
5ef3fe516da9 Z80 core is sort of working again
Michael Pavone <pavone@retrodev.com>
parents: 592
diff changeset
1127 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
1128 if (src_op.mode != MODE_UNUSED) {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1129 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
1130 }
247
682e505f5757 Implement rotation and bit set/reset instructions (untested).
Mike Pavone <pavone@retrodev.com>
parents: 246
diff changeset
1131 } else {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1132 z80_save_reg(inst, opts);
247
682e505f5757 Implement rotation and bit set/reset instructions (untested).
Mike Pavone <pavone@retrodev.com>
parents: 246
diff changeset
1133 }
682e505f5757 Implement rotation and bit set/reset instructions (untested).
Mike Pavone <pavone@retrodev.com>
parents: 246
diff changeset
1134 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
1135 case Z80_RL:
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1136 num_cycles = inst->immed == 0 ? 4 : (inst->addr_mode == Z80_IX_DISPLACE || inst->addr_mode == Z80_IY_DISPLACE ? 16 : 8);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1137 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
1138 if (inst->addr_mode != Z80_UNUSED) {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1139 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
1140 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
1141 cycles(&opts->gen, 1);
247
682e505f5757 Implement rotation and bit set/reset instructions (untested).
Mike Pavone <pavone@retrodev.com>
parents: 246
diff changeset
1142 } else {
302
3b831fe32c15 More fixes for confusion between Z80_UNUSED and MODE_UNUSED
Mike Pavone <pavone@retrodev.com>
parents: 301
diff changeset
1143 src_op.mode = MODE_UNUSED;
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1144 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
1145 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1146 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
1147 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
1148 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
1149 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
1150 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
1151 }
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
1152 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
1153 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
1154 } 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
1155 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
1156 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1157 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
1158 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_N), SZ_B);
247
682e505f5757 Implement rotation and bit set/reset instructions (untested).
Mike Pavone <pavone@retrodev.com>
parents: 246
diff changeset
1159 //TODO: Implement half-carry flag
651
103d5cabbe14 Fix flags for rra, rrca, rla and rlca. Fix timing for rr, rrc, rl and rlc when using IX or IY. Fix access to I and R registers (R still needs to be made 7-bit though). Fix flags for ld a, i. The fix for access to I fixes PCM playback in Titan Overdrive and music playback in Crackdown.
Michael Pavone <pavone@retrodev.com>
parents: 644
diff changeset
1160 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
1161 //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
1162 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
1163 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
1164 } else {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1165 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
1166 }
730
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
1167 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
1168 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
1169 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
1170 }
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
1171 if (inst->addr_mode != Z80_UNUSED) {
593
5ef3fe516da9 Z80 core is sort of working again
Michael Pavone <pavone@retrodev.com>
parents: 592
diff changeset
1172 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
1173 if (src_op.mode != MODE_UNUSED) {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1174 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
1175 }
247
682e505f5757 Implement rotation and bit set/reset instructions (untested).
Mike Pavone <pavone@retrodev.com>
parents: 246
diff changeset
1176 } else {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1177 z80_save_reg(inst, opts);
247
682e505f5757 Implement rotation and bit set/reset instructions (untested).
Mike Pavone <pavone@retrodev.com>
parents: 246
diff changeset
1178 }
682e505f5757 Implement rotation and bit set/reset instructions (untested).
Mike Pavone <pavone@retrodev.com>
parents: 246
diff changeset
1179 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
1180 case Z80_RRC:
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1181 num_cycles = inst->immed == 0 ? 4 : (inst->addr_mode == Z80_IX_DISPLACE || inst->addr_mode == Z80_IY_DISPLACE ? 16 : 8);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1182 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
1183 if (inst->addr_mode != Z80_UNUSED) {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1184 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
1185 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
1186 cycles(&opts->gen, 1);
247
682e505f5757 Implement rotation and bit set/reset instructions (untested).
Mike Pavone <pavone@retrodev.com>
parents: 246
diff changeset
1187 } else {
302
3b831fe32c15 More fixes for confusion between Z80_UNUSED and MODE_UNUSED
Mike Pavone <pavone@retrodev.com>
parents: 301
diff changeset
1188 src_op.mode = MODE_UNUSED;
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1189 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
1190 }
730
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
1191 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
1192 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
1193 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
1194 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
1195 }
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
1196 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
1197 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
1198 } 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
1199 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
1200 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1201 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
1202 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_N), SZ_B);
247
682e505f5757 Implement rotation and bit set/reset instructions (untested).
Mike Pavone <pavone@retrodev.com>
parents: 246
diff changeset
1203 //TODO: Implement half-carry flag
651
103d5cabbe14 Fix flags for rra, rrca, rla and rlca. Fix timing for rr, rrc, rl and rlc when using IX or IY. Fix access to I and R registers (R still needs to be made 7-bit though). Fix flags for ld a, i. The fix for access to I fixes PCM playback in Titan Overdrive and music playback in Crackdown.
Michael Pavone <pavone@retrodev.com>
parents: 644
diff changeset
1204 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
1205 //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
1206 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
1207 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
1208 } else {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1209 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
1210 }
730
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
1211 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
1212 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
1213 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
1214 }
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
1215 if (inst->addr_mode != Z80_UNUSED) {
593
5ef3fe516da9 Z80 core is sort of working again
Michael Pavone <pavone@retrodev.com>
parents: 592
diff changeset
1216 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
1217 if (src_op.mode != MODE_UNUSED) {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1218 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
1219 }
247
682e505f5757 Implement rotation and bit set/reset instructions (untested).
Mike Pavone <pavone@retrodev.com>
parents: 246
diff changeset
1220 } else {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1221 z80_save_reg(inst, opts);
247
682e505f5757 Implement rotation and bit set/reset instructions (untested).
Mike Pavone <pavone@retrodev.com>
parents: 246
diff changeset
1222 }
682e505f5757 Implement rotation and bit set/reset instructions (untested).
Mike Pavone <pavone@retrodev.com>
parents: 246
diff changeset
1223 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
1224 case Z80_RR:
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1225 num_cycles = inst->immed == 0 ? 4 : (inst->addr_mode == Z80_IX_DISPLACE || inst->addr_mode == Z80_IY_DISPLACE ? 16 : 8);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1226 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
1227 if (inst->addr_mode != Z80_UNUSED) {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1228 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
1229 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
1230 cycles(&opts->gen, 1);
247
682e505f5757 Implement rotation and bit set/reset instructions (untested).
Mike Pavone <pavone@retrodev.com>
parents: 246
diff changeset
1231 } else {
302
3b831fe32c15 More fixes for confusion between Z80_UNUSED and MODE_UNUSED
Mike Pavone <pavone@retrodev.com>
parents: 301
diff changeset
1232 src_op.mode = MODE_UNUSED;
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1233 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
1234 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1235 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
1236 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
1237 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
1238 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
1239 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
1240 }
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
1241 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
1242 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
1243 } 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
1244 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
1245 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1246 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
1247 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_N), SZ_B);
247
682e505f5757 Implement rotation and bit set/reset instructions (untested).
Mike Pavone <pavone@retrodev.com>
parents: 246
diff changeset
1248 //TODO: Implement half-carry flag
651
103d5cabbe14 Fix flags for rra, rrca, rla and rlca. Fix timing for rr, rrc, rl and rlc when using IX or IY. Fix access to I and R registers (R still needs to be made 7-bit though). Fix flags for ld a, i. The fix for access to I fixes PCM playback in Titan Overdrive and music playback in Crackdown.
Michael Pavone <pavone@retrodev.com>
parents: 644
diff changeset
1249 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
1250 //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
1251 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
1252 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
1253 } else {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1254 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
1255 }
730
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
1256 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
1257 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
1258 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
1259 }
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
1260 if (inst->addr_mode != Z80_UNUSED) {
593
5ef3fe516da9 Z80 core is sort of working again
Michael Pavone <pavone@retrodev.com>
parents: 592
diff changeset
1261 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
1262 if (src_op.mode != MODE_UNUSED) {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1263 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
1264 }
247
682e505f5757 Implement rotation and bit set/reset instructions (untested).
Mike Pavone <pavone@retrodev.com>
parents: 246
diff changeset
1265 } else {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1266 z80_save_reg(inst, opts);
247
682e505f5757 Implement rotation and bit set/reset instructions (untested).
Mike Pavone <pavone@retrodev.com>
parents: 246
diff changeset
1267 }
682e505f5757 Implement rotation and bit set/reset instructions (untested).
Mike Pavone <pavone@retrodev.com>
parents: 246
diff changeset
1268 break;
275
1a7d0a964ad2 Implement shift instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 274
diff changeset
1269 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
1270 case Z80_SLL:
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1271 num_cycles = inst->addr_mode == Z80_IX_DISPLACE || inst->addr_mode == Z80_IY_DISPLACE ? 16 : 8;
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1272 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
1273 if (inst->addr_mode != Z80_UNUSED) {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1274 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
1275 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
1276 cycles(&opts->gen, 1);
275
1a7d0a964ad2 Implement shift instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 274
diff changeset
1277 } else {
302
3b831fe32c15 More fixes for confusion between Z80_UNUSED and MODE_UNUSED
Mike Pavone <pavone@retrodev.com>
parents: 301
diff changeset
1278 src_op.mode = MODE_UNUSED;
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1279 translate_z80_reg(inst, &dst_op, opts);
275
1a7d0a964ad2 Implement shift instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 274
diff changeset
1280 }
730
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
1281 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
1282 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
1283 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
1284 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
1285 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1286 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
1287 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
1288 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
1289 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
1290 } else {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1291 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
1292 }
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
1293 }
730
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
1294 if (src_op.mode == MODE_REG_DIRECT) {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1295 mov_rr(code, dst_op.base, src_op.base, SZ_B);
730
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
1296 } else if(src_op.mode == MODE_REG_DISPLACE8) {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
1297 mov_rrdisp(code, dst_op.base, src_op.base, src_op.disp, SZ_B);
299
42e1a986f2d0 Fix calcuation of IX/IY dipslacements. Fix a bunch of stuff related to the IX/IY bit/shift/rotate instructions.
Mike Pavone <pavone@retrodev.com>
parents: 295
diff changeset
1298 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1299 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_N), SZ_B);
275
1a7d0a964ad2 Implement shift instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 274
diff changeset
1300 //TODO: Implement half-carry flag
731
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1301 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
1302 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
1303 } else {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1304 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
1305 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1306 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
1307 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
1308 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
1309 if (inst->addr_mode != Z80_UNUSED) {
593
5ef3fe516da9 Z80 core is sort of working again
Michael Pavone <pavone@retrodev.com>
parents: 592
diff changeset
1310 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
1311 if (src_op.mode != MODE_UNUSED) {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1312 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
1313 }
275
1a7d0a964ad2 Implement shift instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 274
diff changeset
1314 } else {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1315 z80_save_reg(inst, opts);
275
1a7d0a964ad2 Implement shift instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 274
diff changeset
1316 }
1a7d0a964ad2 Implement shift instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 274
diff changeset
1317 break;
1a7d0a964ad2 Implement shift instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 274
diff changeset
1318 case Z80_SRA:
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1319 num_cycles = inst->addr_mode == Z80_IX_DISPLACE || inst->addr_mode == Z80_IY_DISPLACE ? 16 : 8;
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1320 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
1321 if (inst->addr_mode != Z80_UNUSED) {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1322 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
1323 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
1324 cycles(&opts->gen, 1);
275
1a7d0a964ad2 Implement shift instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 274
diff changeset
1325 } else {
302
3b831fe32c15 More fixes for confusion between Z80_UNUSED and MODE_UNUSED
Mike Pavone <pavone@retrodev.com>
parents: 301
diff changeset
1326 src_op.mode = MODE_UNUSED;
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1327 translate_z80_reg(inst, &dst_op, opts);
275
1a7d0a964ad2 Implement shift instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 274
diff changeset
1328 }
730
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
1329 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
1330 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
1331 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
1332 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
1333 }
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
1334 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
1335 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
1336 } 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
1337 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
1338 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1339 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
1340 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_N), SZ_B);
275
1a7d0a964ad2 Implement shift instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 274
diff changeset
1341 //TODO: Implement half-carry flag
731
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1342 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
1343 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
1344 } else {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1345 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
1346 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1347 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
1348 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
1349 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
1350 if (inst->addr_mode != Z80_UNUSED) {
593
5ef3fe516da9 Z80 core is sort of working again
Michael Pavone <pavone@retrodev.com>
parents: 592
diff changeset
1351 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
1352 if (src_op.mode != MODE_UNUSED) {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1353 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
1354 }
275
1a7d0a964ad2 Implement shift instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 274
diff changeset
1355 } else {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1356 z80_save_reg(inst, opts);
275
1a7d0a964ad2 Implement shift instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 274
diff changeset
1357 }
1a7d0a964ad2 Implement shift instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 274
diff changeset
1358 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
1359 case Z80_SRL:
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1360 num_cycles = inst->addr_mode == Z80_IX_DISPLACE || inst->addr_mode == Z80_IY_DISPLACE ? 16 : 8;
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1361 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
1362 if (inst->addr_mode != Z80_UNUSED) {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1363 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
1364 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
1365 cycles(&opts->gen, 1);
275
1a7d0a964ad2 Implement shift instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 274
diff changeset
1366 } else {
302
3b831fe32c15 More fixes for confusion between Z80_UNUSED and MODE_UNUSED
Mike Pavone <pavone@retrodev.com>
parents: 301
diff changeset
1367 src_op.mode = MODE_UNUSED;
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1368 translate_z80_reg(inst, &dst_op, opts);
275
1a7d0a964ad2 Implement shift instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 274
diff changeset
1369 }
730
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
1370 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
1371 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
1372 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
1373 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
1374 }
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
1375 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
1376 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
1377 } 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
1378 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
1379 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1380 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
1381 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_N), SZ_B);
275
1a7d0a964ad2 Implement shift instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 274
diff changeset
1382 //TODO: Implement half-carry flag
731
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1383 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
1384 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
1385 } else {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1386 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
1387 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1388 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
1389 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
1390 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
1391 if (inst->addr_mode != Z80_UNUSED) {
593
5ef3fe516da9 Z80 core is sort of working again
Michael Pavone <pavone@retrodev.com>
parents: 592
diff changeset
1392 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
1393 if (src_op.mode != MODE_UNUSED) {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1394 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
1395 }
275
1a7d0a964ad2 Implement shift instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 274
diff changeset
1396 } else {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1397 z80_save_reg(inst, opts);
275
1a7d0a964ad2 Implement shift instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 274
diff changeset
1398 }
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
1399 break;
286
872a8911e0f4 Implemente RLD
Mike Pavone <pavone@retrodev.com>
parents: 285
diff changeset
1400 case Z80_RLD:
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1401 cycles(&opts->gen, 8);
734
e21c274a008e Fix RLD and RRD for the case in which HL does not map to a native register
Michael Pavone <pavone@retrodev.com>
parents: 731
diff changeset
1402 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
1403 call(code, opts->read_8);
286
872a8911e0f4 Implemente RLD
Mike Pavone <pavone@retrodev.com>
parents: 285
diff changeset
1404 //Before: (HL) = 0x12, A = 0x34
872a8911e0f4 Implemente RLD
Mike Pavone <pavone@retrodev.com>
parents: 285
diff changeset
1405 //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
1406 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
1407 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
1408 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
1409 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
1410 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
1411 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
1412 //opts->gen.scratch1 = 0x0124
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1413 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
1414 cycles(&opts->gen, 4);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1415 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
1416 //set flags
fb840e0a48cd Implement RRD and implement flags on RLD
Mike Pavone <pavone@retrodev.com>
parents: 286
diff changeset
1417 //TODO: Implement half-carry flag
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1418 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
1419 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
1420 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
1421 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
1422
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
1423 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
1424 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
1425 call(code, opts->write_8);
286
872a8911e0f4 Implemente RLD
Mike Pavone <pavone@retrodev.com>
parents: 285
diff changeset
1426 break;
287
fb840e0a48cd Implement RRD and implement flags on RLD
Mike Pavone <pavone@retrodev.com>
parents: 286
diff changeset
1427 case Z80_RRD:
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1428 cycles(&opts->gen, 8);
734
e21c274a008e Fix RLD and RRD for the case in which HL does not map to a native register
Michael Pavone <pavone@retrodev.com>
parents: 731
diff changeset
1429 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
1430 call(code, opts->read_8);
287
fb840e0a48cd Implement RRD and implement flags on RLD
Mike Pavone <pavone@retrodev.com>
parents: 286
diff changeset
1431 //Before: (HL) = 0x12, A = 0x34
fb840e0a48cd Implement RRD and implement flags on RLD
Mike Pavone <pavone@retrodev.com>
parents: 286
diff changeset
1432 //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
1433 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
1434 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
1435 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
1436 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
1437 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
1438 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
1439 //opts->gen.scratch1 = 0x2001
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
1440 //opts->gen.scratch2 = 0x0040
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1441 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
1442 //opts->gen.scratch1 = 0x2041
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1443 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
1444 cycles(&opts->gen, 4);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1445 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
1446 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
1447 //set flags
fb840e0a48cd Implement RRD and implement flags on RLD
Mike Pavone <pavone@retrodev.com>
parents: 286
diff changeset
1448 //TODO: Implement half-carry flag
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1449 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
1450 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
1451 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
1452 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
1453
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
1454 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
1455 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
1456 call(code, opts->write_8);
287
fb840e0a48cd Implement RRD and implement flags on RLD
Mike Pavone <pavone@retrodev.com>
parents: 286
diff changeset
1457 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
1458 case Z80_BIT: {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1459 num_cycles = (inst->addr_mode == Z80_IX_DISPLACE || inst->addr_mode == Z80_IY_DISPLACE) ? 8 : 16;
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1460 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
1461 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
1462 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
1463 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
1464 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
1465 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
1466 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
1467 } 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
1468 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
1469 bit = inst->immed;
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1470 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
1471 }
239
a5bea9711a46 Implement BIT and DJNZ (tested). Fix register mapping for IYL.
Mike Pavone <pavone@retrodev.com>
parents: 238
diff changeset
1472 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
1473 //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
1474 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
1475 }
731
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1476 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
1477 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
1478 } else {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1479 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
1480 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1481 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
1482 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
1483 mov_irdisp(code, 0, opts->gen.context_reg, zf_off(ZF_N), SZ_B);
307
b6393b89a7e4 Complete flag behavior for Z80 BIT instruction
Mike Pavone <pavone@retrodev.com>
parents: 306
diff changeset
1484 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
1485 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
1486 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
1487 } else {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1488 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
1489 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1490 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
1491 } else {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1492 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
1493 }
239
a5bea9711a46 Implement BIT and DJNZ (tested). Fix register mapping for IYL.
Mike Pavone <pavone@retrodev.com>
parents: 238
diff changeset
1494 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
1495 }
e0e81551fd7e Deal with the fact that there's no 8-bit version of the BT family of instructions on x86
Mike Pavone <pavone@retrodev.com>
parents: 307
diff changeset
1496 case Z80_SET: {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1497 num_cycles = (inst->addr_mode == Z80_IX_DISPLACE || inst->addr_mode == Z80_IY_DISPLACE) ? 8 : 16;
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1498 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
1499 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
1500 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
1501 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
1502 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
1503 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
1504 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
1505 } 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
1506 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
1507 bit = inst->immed;
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1508 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
1509 }
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
1510 if (inst->reg != Z80_USE_IMMED) {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1511 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
1512 }
247
682e505f5757 Implement rotation and bit set/reset instructions (untested).
Mike Pavone <pavone@retrodev.com>
parents: 246
diff changeset
1513 if (inst->addr_mode != Z80_REG) {
682e505f5757 Implement rotation and bit set/reset instructions (untested).
Mike Pavone <pavone@retrodev.com>
parents: 246
diff changeset
1514 //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
1515 cycles(&opts->gen, 1);
247
682e505f5757 Implement rotation and bit set/reset instructions (untested).
Mike Pavone <pavone@retrodev.com>
parents: 246
diff changeset
1516 }
731
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1517 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
1518 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
1519 } else {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1520 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
1521 }
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
1522 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
1523 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
1524 #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
1525 if (dst_op.base >= R8) {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1526 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
1527 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
1528 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
1529 } 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
1530 #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
1531 if (dst_op.mode == MODE_REG_DIRECT) {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1532 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
1533 } else {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1534 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
1535 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
1536 }
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
1537 #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
1538 }
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
1539 #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
1540 } 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
1541 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
1542 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
1543 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
1544 } else {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1545 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
1546 }
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1547 } 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
1548 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
1549 } else {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1550 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
1551 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
1552 }
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
1553 }
e0e81551fd7e Deal with the fact that there's no 8-bit version of the BT family of instructions on x86
Mike Pavone <pavone@retrodev.com>
parents: 307
diff changeset
1554 }
e0e81551fd7e Deal with the fact that there's no 8-bit version of the BT family of instructions on x86
Mike Pavone <pavone@retrodev.com>
parents: 307
diff changeset
1555 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
1556 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
1557 if (inst->reg != Z80_USE_IMMED) {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1558 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
1559 }
e0e81551fd7e Deal with the fact that there's no 8-bit version of the BT family of instructions on x86
Mike Pavone <pavone@retrodev.com>
parents: 307
diff changeset
1560 }
e0e81551fd7e Deal with the fact that there's no 8-bit version of the BT family of instructions on x86
Mike Pavone <pavone@retrodev.com>
parents: 307
diff changeset
1561 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
1562 }
e0e81551fd7e Deal with the fact that there's no 8-bit version of the BT family of instructions on x86
Mike Pavone <pavone@retrodev.com>
parents: 307
diff changeset
1563 case Z80_RES: {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1564 num_cycles = (inst->addr_mode == Z80_IX_DISPLACE || inst->addr_mode == Z80_IY_DISPLACE) ? 8 : 16;
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1565 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
1566 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
1567 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
1568 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
1569 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
1570 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
1571 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
1572 } 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
1573 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
1574 bit = inst->immed;
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1575 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
1576 }
e0e81551fd7e Deal with the fact that there's no 8-bit version of the BT family of instructions on x86
Mike Pavone <pavone@retrodev.com>
parents: 307
diff changeset
1577 if (inst->reg != Z80_USE_IMMED) {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1578 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
1579 }
e0e81551fd7e Deal with the fact that there's no 8-bit version of the BT family of instructions on x86
Mike Pavone <pavone@retrodev.com>
parents: 307
diff changeset
1580 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
1581 //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
1582 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
1583 }
731
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1584 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
1585 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
1586 } else {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1587 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
1588 }
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
1589 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
1590 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
1591 #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
1592 if (dst_op.base >= R8) {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1593 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
1594 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
1595 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
1596 } 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
1597 #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
1598 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
1599 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
1600 } else {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1601 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
1602 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
1603 }
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
1604 #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
1605 }
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
1606 #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
1607 } 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
1608 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
1609 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
1610 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
1611 } else {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1612 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
1613 }
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1614 } 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
1615 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
1616 } else {
0835cd3dfc36 Z80 test cases that passed on 64-bit now pass on 32-bit
Michael Pavone <pavone@retrodev.com>
parents: 730
diff changeset
1617 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
1618 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
1619 }
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
1620 }
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
1621 }
247
682e505f5757 Implement rotation and bit set/reset instructions (untested).
Mike Pavone <pavone@retrodev.com>
parents: 246
diff changeset
1622 if (inst->addr_mode != Z80_REG) {
593
5ef3fe516da9 Z80 core is sort of working again
Michael Pavone <pavone@retrodev.com>
parents: 592
diff changeset
1623 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
1624 if (inst->reg != Z80_USE_IMMED) {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1625 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
1626 }
247
682e505f5757 Implement rotation and bit set/reset instructions (untested).
Mike Pavone <pavone@retrodev.com>
parents: 246
diff changeset
1627 }
682e505f5757 Implement rotation and bit set/reset instructions (untested).
Mike Pavone <pavone@retrodev.com>
parents: 246
diff changeset
1628 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
1629 }
236
19fb3523a9e5 Implement more Z80 instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 235
diff changeset
1630 case Z80_JP: {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1631 num_cycles = 4;
506
a3b48a57e847 Fix timing of certain ld and jp instructions in the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 505
diff changeset
1632 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
1633 num_cycles += 6;
236
19fb3523a9e5 Implement more Z80 instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 235
diff changeset
1634 } else if(inst->ea_reg == Z80_IX || inst->ea_reg == Z80_IY) {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1635 num_cycles += 4;
236
19fb3523a9e5 Implement more Z80 instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 235
diff changeset
1636 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1637 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
1638 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
1639 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
1640 if (!call_dst) {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1641 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
1642 //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
1643 call_dst = code->cur + 256;
236
19fb3523a9e5 Implement more Z80 instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 235
diff changeset
1644 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1645 jmp(code, call_dst);
236
19fb3523a9e5 Implement more Z80 instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 235
diff changeset
1646 } else {
239
a5bea9711a46 Implement BIT and DJNZ (tested). Fix register mapping for IYL.
Mike Pavone <pavone@retrodev.com>
parents: 238
diff changeset
1647 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
1648 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
1649 } else {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1650 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
1651 }
593
5ef3fe516da9 Z80 core is sort of working again
Michael Pavone <pavone@retrodev.com>
parents: 592
diff changeset
1652 call(code, opts->native_addr);
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1653 jmp_r(code, opts->gen.scratch1);
236
19fb3523a9e5 Implement more Z80 instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 235
diff changeset
1654 }
19fb3523a9e5 Implement more Z80 instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 235
diff changeset
1655 break;
19fb3523a9e5 Implement more Z80 instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 235
diff changeset
1656 }
19fb3523a9e5 Implement more Z80 instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 235
diff changeset
1657 case Z80_JPCC: {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1658 cycles(&opts->gen, 7);//T States: 4,3
236
19fb3523a9e5 Implement more Z80 instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 235
diff changeset
1659 uint8_t cond = CC_Z;
19fb3523a9e5 Implement more Z80 instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 235
diff changeset
1660 switch (inst->reg)
19fb3523a9e5 Implement more Z80 instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 235
diff changeset
1661 {
19fb3523a9e5 Implement more Z80 instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 235
diff changeset
1662 case Z80_CC_NZ:
19fb3523a9e5 Implement more Z80 instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 235
diff changeset
1663 cond = CC_NZ;
19fb3523a9e5 Implement more Z80 instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 235
diff changeset
1664 case Z80_CC_Z:
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1665 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
1666 break;
19fb3523a9e5 Implement more Z80 instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 235
diff changeset
1667 case Z80_CC_NC:
19fb3523a9e5 Implement more Z80 instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 235
diff changeset
1668 cond = CC_NZ;
19fb3523a9e5 Implement more Z80 instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 235
diff changeset
1669 case Z80_CC_C:
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1670 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
1671 break;
238
827ebce557bf Added the rest of the conditions to JPCC, implemented CALLCC (untested)
Mike Pavone <pavone@retrodev.com>
parents: 236
diff changeset
1672 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
1673 cond = CC_NZ;
827ebce557bf Added the rest of the conditions to JPCC, implemented CALLCC (untested)
Mike Pavone <pavone@retrodev.com>
parents: 236
diff changeset
1674 case Z80_CC_PE:
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1675 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
1676 break;
827ebce557bf Added the rest of the conditions to JPCC, implemented CALLCC (untested)
Mike Pavone <pavone@retrodev.com>
parents: 236
diff changeset
1677 case Z80_CC_P:
367
f20562f2a570 Fix P condition in Z80 core
Mike Pavone <pavone@retrodev.com>
parents: 366
diff changeset
1678 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
1679 case Z80_CC_M:
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1680 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
1681 break;
236
19fb3523a9e5 Implement more Z80 instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 235
diff changeset
1682 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1683 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
1684 jcc(code, cond, code->cur+2);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1685 cycles(&opts->gen, 5);//T States: 5
236
19fb3523a9e5 Implement more Z80 instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 235
diff changeset
1686 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
1687 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
1688 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
1689 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
1690 //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
1691 call_dst = code->cur + 256;
236
19fb3523a9e5 Implement more Z80 instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 235
diff changeset
1692 }
653
a18e3923481e Remove some of the hard coded assumptions about the memory map from the CPU cores
Michael Pavone <pavone@retrodev.com>
parents: 652
diff changeset
1693 jmp(code, call_dst);
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1694 *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
1695 break;
19fb3523a9e5 Implement more Z80 instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 235
diff changeset
1696 }
19fb3523a9e5 Implement more Z80 instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 235
diff changeset
1697 case Z80_JR: {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1698 cycles(&opts->gen, 12);//T States: 4,3,5
236
19fb3523a9e5 Implement more Z80 instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 235
diff changeset
1699 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
1700 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
1701 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
1702 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
1703 //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
1704 call_dst = code->cur + 256;
236
19fb3523a9e5 Implement more Z80 instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 235
diff changeset
1705 }
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
1706 jmp(code, call_dst);
236
19fb3523a9e5 Implement more Z80 instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 235
diff changeset
1707 break;
19fb3523a9e5 Implement more Z80 instructions (untested)
Mike Pavone <pavone@retrodev.com>
parents: 235
diff changeset
1708 }
235
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
1709 case Z80_JRCC: {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1710 cycles(&opts->gen, 7);//T States: 4,3
235
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
1711 uint8_t cond = CC_Z;
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
1712 switch (inst->reg)
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
1713 {
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
1714 case Z80_CC_NZ:
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
1715 cond = CC_NZ;
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
1716 case Z80_CC_Z:
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1717 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
1718 break;
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
1719 case Z80_CC_NC:
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
1720 cond = CC_NZ;
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
1721 case Z80_CC_C:
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1722 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
1723 break;
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
1724 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1725 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
1726 jcc(code, cond, code->cur+2);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1727 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
1728 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
1729 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
1730 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
1731 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
1732 //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
1733 call_dst = code->cur + 256;
235
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
1734 }
653
a18e3923481e Remove some of the hard coded assumptions about the memory map from the CPU cores
Michael Pavone <pavone@retrodev.com>
parents: 652
diff changeset
1735 jmp(code, call_dst);
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1736 *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
1737 break;
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
1738 }
653
a18e3923481e Remove some of the hard coded assumptions about the memory map from the CPU cores
Michael Pavone <pavone@retrodev.com>
parents: 652
diff changeset
1739 case Z80_DJNZ: {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1740 cycles(&opts->gen, 8);//T States: 5,3
730
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
1741 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
1742 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
1743 } else {
38e9bee03749 More bugfixes for the 32-bit build of the Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 729
diff changeset
1744 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
1745 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1746 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
1747 jcc(code, CC_Z, code->cur+2);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1748 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
1749 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
1750 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
1751 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
1752 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
1753 //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
1754 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
1755 }
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
1756 jmp(code, call_dst);
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1757 *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
1758 break;
a5bea9711a46 Implement BIT and DJNZ (tested). Fix register mapping for IYL.
Mike Pavone <pavone@retrodev.com>
parents: 238
diff changeset
1759 }
235
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
1760 case Z80_CALL: {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1761 cycles(&opts->gen, 11);//T States: 4,3,4
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1762 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
1763 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
1764 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
1765 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
1766 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
1767 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
1768 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
1769 //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
1770 call_dst = code->cur + 256;
235
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
1771 }
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
1772 jmp(code, call_dst);
235
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
1773 break;
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
1774 }
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
1775 case Z80_CALLCC: {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1776 cycles(&opts->gen, 10);//T States: 4,3,3 (false case)
238
827ebce557bf Added the rest of the conditions to JPCC, implemented CALLCC (untested)
Mike Pavone <pavone@retrodev.com>
parents: 236
diff changeset
1777 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
1778 switch (inst->reg)
827ebce557bf Added the rest of the conditions to JPCC, implemented CALLCC (untested)
Mike Pavone <pavone@retrodev.com>
parents: 236
diff changeset
1779 {
827ebce557bf Added the rest of the conditions to JPCC, implemented CALLCC (untested)
Mike Pavone <pavone@retrodev.com>
parents: 236
diff changeset
1780 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
1781 cond = CC_NZ;
827ebce557bf Added the rest of the conditions to JPCC, implemented CALLCC (untested)
Mike Pavone <pavone@retrodev.com>
parents: 236
diff changeset
1782 case Z80_CC_Z:
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1783 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
1784 break;
827ebce557bf Added the rest of the conditions to JPCC, implemented CALLCC (untested)
Mike Pavone <pavone@retrodev.com>
parents: 236
diff changeset
1785 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
1786 cond = CC_NZ;
827ebce557bf Added the rest of the conditions to JPCC, implemented CALLCC (untested)
Mike Pavone <pavone@retrodev.com>
parents: 236
diff changeset
1787 case Z80_CC_C:
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1788 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
1789 break;
827ebce557bf Added the rest of the conditions to JPCC, implemented CALLCC (untested)
Mike Pavone <pavone@retrodev.com>
parents: 236
diff changeset
1790 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
1791 cond = CC_NZ;
827ebce557bf Added the rest of the conditions to JPCC, implemented CALLCC (untested)
Mike Pavone <pavone@retrodev.com>
parents: 236
diff changeset
1792 case Z80_CC_PE:
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1793 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
1794 break;
827ebce557bf Added the rest of the conditions to JPCC, implemented CALLCC (untested)
Mike Pavone <pavone@retrodev.com>
parents: 236
diff changeset
1795 case Z80_CC_P:
367
f20562f2a570 Fix P condition in Z80 core
Mike Pavone <pavone@retrodev.com>
parents: 366
diff changeset
1796 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
1797 case Z80_CC_M:
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1798 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
1799 break;
827ebce557bf Added the rest of the conditions to JPCC, implemented CALLCC (untested)
Mike Pavone <pavone@retrodev.com>
parents: 236
diff changeset
1800 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1801 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
1802 jcc(code, cond, code->cur+2);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1803 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
1804 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
1805 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
1806 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
1807 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
1808 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
1809 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
1810 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
1811 //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
1812 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
1813 }
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
1814 jmp(code, call_dst);
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1815 *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
1816 break;
682
Michael Pavone <pavone@retrodev.com>
parents: 676 559
diff changeset
1817 }
213
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1818 case Z80_RET:
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1819 cycles(&opts->gen, 4);//T States: 4
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1820 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
1821 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
1822 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
1823 call(code, opts->native_addr);
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1824 jmp_r(code, opts->gen.scratch1);
235
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
1825 break;
246
ed548c77b598 Implement RETCC in Z80 core.
Mike Pavone <pavone@retrodev.com>
parents: 243
diff changeset
1826 case Z80_RETCC: {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1827 cycles(&opts->gen, 5);//T States: 5
246
ed548c77b598 Implement RETCC in Z80 core.
Mike Pavone <pavone@retrodev.com>
parents: 243
diff changeset
1828 uint8_t cond = CC_Z;
ed548c77b598 Implement RETCC in Z80 core.
Mike Pavone <pavone@retrodev.com>
parents: 243
diff changeset
1829 switch (inst->reg)
ed548c77b598 Implement RETCC in Z80 core.
Mike Pavone <pavone@retrodev.com>
parents: 243
diff changeset
1830 {
ed548c77b598 Implement RETCC in Z80 core.
Mike Pavone <pavone@retrodev.com>
parents: 243
diff changeset
1831 case Z80_CC_NZ:
ed548c77b598 Implement RETCC in Z80 core.
Mike Pavone <pavone@retrodev.com>
parents: 243
diff changeset
1832 cond = CC_NZ;
ed548c77b598 Implement RETCC in Z80 core.
Mike Pavone <pavone@retrodev.com>
parents: 243
diff changeset
1833 case Z80_CC_Z:
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1834 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
1835 break;
ed548c77b598 Implement RETCC in Z80 core.
Mike Pavone <pavone@retrodev.com>
parents: 243
diff changeset
1836 case Z80_CC_NC:
ed548c77b598 Implement RETCC in Z80 core.
Mike Pavone <pavone@retrodev.com>
parents: 243
diff changeset
1837 cond = CC_NZ;
ed548c77b598 Implement RETCC in Z80 core.
Mike Pavone <pavone@retrodev.com>
parents: 243
diff changeset
1838 case Z80_CC_C:
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1839 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
1840 break;
ed548c77b598 Implement RETCC in Z80 core.
Mike Pavone <pavone@retrodev.com>
parents: 243
diff changeset
1841 case Z80_CC_PO:
ed548c77b598 Implement RETCC in Z80 core.
Mike Pavone <pavone@retrodev.com>
parents: 243
diff changeset
1842 cond = CC_NZ;
ed548c77b598 Implement RETCC in Z80 core.
Mike Pavone <pavone@retrodev.com>
parents: 243
diff changeset
1843 case Z80_CC_PE:
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1844 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
1845 break;
ed548c77b598 Implement RETCC in Z80 core.
Mike Pavone <pavone@retrodev.com>
parents: 243
diff changeset
1846 case Z80_CC_P:
367
f20562f2a570 Fix P condition in Z80 core
Mike Pavone <pavone@retrodev.com>
parents: 366
diff changeset
1847 cond = CC_NZ;
246
ed548c77b598 Implement RETCC in Z80 core.
Mike Pavone <pavone@retrodev.com>
parents: 243
diff changeset
1848 case Z80_CC_M:
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1849 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
1850 break;
ed548c77b598 Implement RETCC in Z80 core.
Mike Pavone <pavone@retrodev.com>
parents: 243
diff changeset
1851 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1852 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
1853 jcc(code, cond, code->cur+2);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1854 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
1855 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
1856 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
1857 call(code, opts->native_addr);
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1858 jmp_r(code, opts->gen.scratch1);
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1859 *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
1860 break;
ed548c77b598 Implement RETCC in Z80 core.
Mike Pavone <pavone@retrodev.com>
parents: 243
diff changeset
1861 }
283
61f5d88ea01a Implement RETI and RETN (untested). Cleanup tests for "terminal" instructions.
Mike Pavone <pavone@retrodev.com>
parents: 282
diff changeset
1862 case Z80_RETI:
61f5d88ea01a Implement RETI and RETN (untested). Cleanup tests for "terminal" instructions.
Mike Pavone <pavone@retrodev.com>
parents: 282
diff changeset
1863 //For some systems, this may need a callback for signalling interrupt routine completion
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1864 cycles(&opts->gen, 8);//T States: 4, 4
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1865 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
1866 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
1867 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
1868 call(code, opts->native_addr);
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1869 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
1870 break;
61f5d88ea01a Implement RETI and RETN (untested). Cleanup tests for "terminal" instructions.
Mike Pavone <pavone@retrodev.com>
parents: 282
diff changeset
1871 case Z80_RETN:
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1872 cycles(&opts->gen, 8);//T States: 4, 4
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1873 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
1874 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
1875 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
1876 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
1877 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
1878 call(code, opts->native_addr);
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1879 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
1880 break;
241
2586d49ddd46 Implement EX, EXX and RST in Z80 core
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
1881 case Z80_RST: {
2586d49ddd46 Implement EX, EXX and RST in Z80 core
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
1882 //RST is basically CALL to an address in page 0
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1883 cycles(&opts->gen, 5);//T States: 5
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1884 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
1885 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
1886 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
1887 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
1888 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
1889 if (!call_dst) {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1890 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
1891 //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
1892 call_dst = code->cur + 256;
241
2586d49ddd46 Implement EX, EXX and RST in Z80 core
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
1893 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1894 jmp(code, call_dst);
241
2586d49ddd46 Implement EX, EXX and RST in Z80 core
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
1895 break;
2586d49ddd46 Implement EX, EXX and RST in Z80 core
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
1896 }
284
ed7098f717d7 Implement IN and OUT (untested)
Mike Pavone <pavone@retrodev.com>
parents: 283
diff changeset
1897 case Z80_IN:
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1898 cycles(&opts->gen, inst->reg == Z80_A ? 7 : 8);//T States: 4 3/4
284
ed7098f717d7 Implement IN and OUT (untested)
Mike Pavone <pavone@retrodev.com>
parents: 283
diff changeset
1899 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
1900 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
1901 } else {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1902 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
1903 }
593
5ef3fe516da9 Z80 core is sort of working again
Michael Pavone <pavone@retrodev.com>
parents: 592
diff changeset
1904 call(code, opts->read_io);
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1905 translate_z80_reg(inst, &dst_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
1906 if (dst_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
1907 mov_rr(code, opts->gen.scratch1, dst_op.base, 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
1908 } 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
1909 mov_rrdisp(code, opts->gen.scratch1, dst_op.base, dst_op.disp, 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
1910 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1911 z80_save_reg(inst, opts);
284
ed7098f717d7 Implement IN and OUT (untested)
Mike Pavone <pavone@retrodev.com>
parents: 283
diff changeset
1912 break;
ed7098f717d7 Implement IN and OUT (untested)
Mike Pavone <pavone@retrodev.com>
parents: 283
diff changeset
1913 /*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
1914 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
1915 case Z80_IND:
284
ed7098f717d7 Implement IN and OUT (untested)
Mike Pavone <pavone@retrodev.com>
parents: 283
diff changeset
1916 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
1917 case Z80_OUT:
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1918 cycles(&opts->gen, inst->reg == Z80_A ? 7 : 8);//T States: 4 3/4
284
ed7098f717d7 Implement IN and OUT (untested)
Mike Pavone <pavone@retrodev.com>
parents: 283
diff changeset
1919 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
1920 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
1921 } 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
1922 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
1923 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
1924 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1925 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
1926 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
1927 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
1928 } 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
1929 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
1930 } 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
1931 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
1932 }
593
5ef3fe516da9 Z80 core is sort of working again
Michael Pavone <pavone@retrodev.com>
parents: 592
diff changeset
1933 call(code, opts->write_io);
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
1934 z80_save_reg(inst, opts);
284
ed7098f717d7 Implement IN and OUT (untested)
Mike Pavone <pavone@retrodev.com>
parents: 283
diff changeset
1935 break;
ed7098f717d7 Implement IN and OUT (untested)
Mike Pavone <pavone@retrodev.com>
parents: 283
diff changeset
1936 /*case Z80_OUTI:
213
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1937 case Z80_OTIR:
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1938 case Z80_OUTD:
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1939 case Z80_OTDR:*/
235
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
1940 default: {
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
1941 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
1942 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
1943 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
1944 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
1945 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
1946 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
1947 }
235
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
1948 }
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
1949 }
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
1950
627
c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses
Michael Pavone <pavone@retrodev.com>
parents: 626
diff changeset
1951 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
1952 {
c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses
Michael Pavone <pavone@retrodev.com>
parents: 626
diff changeset
1953 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
1954 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
1955 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
1956 }
c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses
Michael Pavone <pavone@retrodev.com>
parents: 626
diff changeset
1957 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
1958 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
1959 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
1960 z80inst inst;
c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses
Michael Pavone <pavone@retrodev.com>
parents: 626
diff changeset
1961 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
1962 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
1963 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
1964 }
652
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
1965
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
1966 z80_options * opts = context->options;
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
1967 code_info *code = &opts->gen.code;
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
1968 check_alloc_code(code, ZMAX_NATIVE_SIZE);
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
1969 context->interp_code[opcode] = code->cur;
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
1970 translate_z80inst(&inst, context, 0, 1);
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
1971 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
1972 add_ir(code, after - codebuf, opts->gen.scratch1, SZ_W);
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
1973 call(code, opts->native_addr);
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
1974 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
1975 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
1976 }
c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses
Michael Pavone <pavone@retrodev.com>
parents: 626
diff changeset
1977 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
1978 }
c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses
Michael Pavone <pavone@retrodev.com>
parents: 626
diff changeset
1979
652
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
1980 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
1981 {
652
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
1982 z80_options *opts = context->options;
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
1983 code_info * code = &opts->gen.code;
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
1984 check_alloc_code(code, 32);
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
1985 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
1986 //TODO: make this play well with the breakpoint code
652
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
1987 mov_ir(code, address, opts->gen.scratch1, SZ_W);
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
1988 call(code, opts->read_8);
627
c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses
Michael Pavone <pavone@retrodev.com>
parents: 626
diff changeset
1989 //normal opcode fetch is already factored into instruction timing
c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses
Michael Pavone <pavone@retrodev.com>
parents: 626
diff changeset
1990 //back out the base 3 cycles from a read here
c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses
Michael Pavone <pavone@retrodev.com>
parents: 626
diff changeset
1991 //not quite perfect, but it will have to do for now
652
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
1992 cycles(&opts->gen, -3);
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
1993 check_cycles_int(&opts->gen, address);
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
1994 call(code, opts->gen.save_context);
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
1995 mov_irdisp(code, address, opts->gen.context_reg, offsetof(z80_context, pc), SZ_W);
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
1996 push_r(code, opts->gen.context_reg);
712
382a2b5b70c0 Fix crash bug in Z80 interpreter
Michael Pavone <pavone@retrodev.com>
parents: 702
diff changeset
1997 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
1998 mov_rr(code, RAX, opts->gen.scratch1, SZ_PTR);
652
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
1999 pop_r(code, opts->gen.context_reg);
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
2000 call(code, opts->gen.load_context);
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
2001 jmp_r(code, opts->gen.scratch1);
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
2002 stub.last = code->cur;
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
2003 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
2004 }
c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses
Michael Pavone <pavone@retrodev.com>
parents: 626
diff changeset
2005
c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses
Michael Pavone <pavone@retrodev.com>
parents: 626
diff changeset
2006
235
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2007 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
2008 {
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2009 native_map_slot *map;
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2010 if (address < 0x4000) {
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2011 address &= 0x1FFF;
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2012 map = context->static_code_map;
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2013 } else {
627
c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses
Michael Pavone <pavone@retrodev.com>
parents: 626
diff changeset
2014 address -= 0x4000;
c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses
Michael Pavone <pavone@retrodev.com>
parents: 626
diff changeset
2015 map = context->banked_code_map;
235
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2016 }
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
2017 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
2018 //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
2019 return NULL;
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2020 }
313
a13329645ea3 Fix terminal instruction detection in disassembler
Mike Pavone <pavone@retrodev.com>
parents: 312
diff changeset
2021 //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
2022 return map->base + map->offsets[address];
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2023 }
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2024
590
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
2025 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
2026 {
627
c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses
Michael Pavone <pavone@retrodev.com>
parents: 626
diff changeset
2027 //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
2028 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
2029 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
2030 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
2031 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
2032 }
63b9a500a00b Implement retranslating code when written to. Possibly broken, need to fix some other bugs before a proper test.
Mike Pavone <pavone@retrodev.com>
parents: 250
diff changeset
2033
63b9a500a00b Implement retranslating code when written to. Possibly broken, need to fix some other bugs before a proper test.
Mike Pavone <pavone@retrodev.com>
parents: 250
diff changeset
2034 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
2035 {
63b9a500a00b Implement retranslating code when written to. Possibly broken, need to fix some other bugs before a proper test.
Mike Pavone <pavone@retrodev.com>
parents: 250
diff changeset
2036 uint32_t orig_address = address;
235
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2037 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
2038 z80_options * opts = context->options;
235
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2039 if (address < 0x4000) {
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2040 address &= 0x1FFF;
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2041 map = context->static_code_map;
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
2042 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
2043 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
2044 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
2045 } else {
c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses
Michael Pavone <pavone@retrodev.com>
parents: 626
diff changeset
2046 //HERE
c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses
Michael Pavone <pavone@retrodev.com>
parents: 626
diff changeset
2047 address -= 0x4000;
c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses
Michael Pavone <pavone@retrodev.com>
parents: 626
diff changeset
2048 map = context->banked_code_map;
235
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2049 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
2050 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
2051 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
2052 }
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2053 }
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2054 if (!map->base) {
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2055 map->base = native_address;
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2056 }
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2057 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
2058 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
2059 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
2060 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
2061 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
2062 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
2063 } else {
627
c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses
Michael Pavone <pavone@retrodev.com>
parents: 626
diff changeset
2064 address -= 0x4000;
c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses
Michael Pavone <pavone@retrodev.com>
parents: 626
diff changeset
2065 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
2066 }
63b9a500a00b Implement retranslating code when written to. Possibly broken, need to fix some other bugs before a proper test.
Mike Pavone <pavone@retrodev.com>
parents: 250
diff changeset
2067 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
2068 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
2069 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
2070 }
63b9a500a00b Implement retranslating code when written to. Possibly broken, need to fix some other bugs before a proper test.
Mike Pavone <pavone@retrodev.com>
parents: 250
diff changeset
2071 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
2072 }
63b9a500a00b Implement retranslating code when written to. Possibly broken, need to fix some other bugs before a proper test.
Mike Pavone <pavone@retrodev.com>
parents: 250
diff changeset
2073 }
63b9a500a00b Implement retranslating code when written to. Possibly broken, need to fix some other bugs before a proper test.
Mike Pavone <pavone@retrodev.com>
parents: 250
diff changeset
2074
63b9a500a00b Implement retranslating code when written to. Possibly broken, need to fix some other bugs before a proper test.
Mike Pavone <pavone@retrodev.com>
parents: 250
diff changeset
2075 #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
2076
63b9a500a00b Implement retranslating code when written to. Possibly broken, need to fix some other bugs before a proper test.
Mike Pavone <pavone@retrodev.com>
parents: 250
diff changeset
2077 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
2078 {
627
c5820734a5b6 Added some preliminary support for interpreting Z80 code from non-RAM addresses
Michael Pavone <pavone@retrodev.com>
parents: 626
diff changeset
2079 //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
2080 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
2081 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
2082 }
63b9a500a00b Implement retranslating code when written to. Possibly broken, need to fix some other bugs before a proper test.
Mike Pavone <pavone@retrodev.com>
parents: 250
diff changeset
2083 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
2084 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
2085 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
2086 }
63b9a500a00b Implement retranslating code when written to. Possibly broken, need to fix some other bugs before a proper test.
Mike Pavone <pavone@retrodev.com>
parents: 250
diff changeset
2087 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
2088 --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
2089 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
2090 }
63b9a500a00b Implement retranslating code when written to. Possibly broken, need to fix some other bugs before a proper test.
Mike Pavone <pavone@retrodev.com>
parents: 250
diff changeset
2091 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
2092 }
63b9a500a00b Implement retranslating code when written to. Possibly broken, need to fix some other bugs before a proper test.
Mike Pavone <pavone@retrodev.com>
parents: 250
diff changeset
2093
63b9a500a00b Implement retranslating code when written to. Possibly broken, need to fix some other bugs before a proper test.
Mike Pavone <pavone@retrodev.com>
parents: 250
diff changeset
2094 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
2095 {
63b9a500a00b Implement retranslating code when written to. Possibly broken, need to fix some other bugs before a proper test.
Mike Pavone <pavone@retrodev.com>
parents: 250
diff changeset
2096 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
2097 if (inst_start != INVALID_INSTRUCTION_START) {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
2098 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
2099 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
2100 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
2101 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
2102 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
2103 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
2104 }
63b9a500a00b Implement retranslating code when written to. Possibly broken, need to fix some other bugs before a proper test.
Mike Pavone <pavone@retrodev.com>
parents: 250
diff changeset
2105 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
2106 }
63b9a500a00b Implement retranslating code when written to. Possibly broken, need to fix some other bugs before a proper test.
Mike Pavone <pavone@retrodev.com>
parents: 250
diff changeset
2107
264
8fd6652e56f8 Fix a crash bug in instruction retranslation
Mike Pavone <pavone@retrodev.com>
parents: 262
diff changeset
2108 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
2109 {
8fd6652e56f8 Fix a crash bug in instruction retranslation
Mike Pavone <pavone@retrodev.com>
parents: 262
diff changeset
2110 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
2111 if (!addr) {
8fd6652e56f8 Fix a crash bug in instruction retranslation
Mike Pavone <pavone@retrodev.com>
parents: 262
diff changeset
2112 translate_z80_stream(context, address);
8fd6652e56f8 Fix a crash bug in instruction retranslation
Mike Pavone <pavone@retrodev.com>
parents: 262
diff changeset
2113 addr = z80_get_native_address(context, address);
8fd6652e56f8 Fix a crash bug in instruction retranslation
Mike Pavone <pavone@retrodev.com>
parents: 262
diff changeset
2114 if (!addr) {
8fd6652e56f8 Fix a crash bug in instruction retranslation
Mike Pavone <pavone@retrodev.com>
parents: 262
diff changeset
2115 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
2116 }
8fd6652e56f8 Fix a crash bug in instruction retranslation
Mike Pavone <pavone@retrodev.com>
parents: 262
diff changeset
2117 }
8fd6652e56f8 Fix a crash bug in instruction retranslation
Mike Pavone <pavone@retrodev.com>
parents: 262
diff changeset
2118 return addr;
8fd6652e56f8 Fix a crash bug in instruction retranslation
Mike Pavone <pavone@retrodev.com>
parents: 262
diff changeset
2119 }
8fd6652e56f8 Fix a crash bug in instruction retranslation
Mike Pavone <pavone@retrodev.com>
parents: 262
diff changeset
2120
266
376df762ddf5 Fix some more retranslation bugs in the Z80 core
Mike Pavone <pavone@retrodev.com>
parents: 264
diff changeset
2121 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
2122 {
590
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
2123 z80_options * opts = context->options;
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
2124 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
2125 if (opts->gen.deferred) {
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
2126 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
2127 }
376df762ddf5 Fix some more retranslation bugs in the Z80 core
Mike Pavone <pavone@retrodev.com>
parents: 264
diff changeset
2128 }
376df762ddf5 Fix some more retranslation bugs in the Z80 core
Mike Pavone <pavone@retrodev.com>
parents: 264
diff changeset
2129
559
6b248602ab84 blastem builds and almost works on OS X now
Mike Pavone <pavone@retrodev.com>
parents: 506
diff changeset
2130 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
2131 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
2132 {
266
376df762ddf5 Fix some more retranslation bugs in the Z80 core
Mike Pavone <pavone@retrodev.com>
parents: 264
diff changeset
2133 char disbuf[80];
590
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
2134 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
2135 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
2136 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
2137 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
2138 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
2139 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
2140 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
2141 #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
2142 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
2143 if (instbuf.op == Z80_NOP) {
376df762ddf5 Fix some more retranslation bugs in the Z80 core
Mike Pavone <pavone@retrodev.com>
parents: 264
diff changeset
2144 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
2145 } else {
376df762ddf5 Fix some more retranslation bugs in the Z80 core
Mike Pavone <pavone@retrodev.com>
parents: 264
diff changeset
2146 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
2147 }
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
2148 #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
2149 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
2150 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
2151 code_ptr start = code->cur;
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
2152 deferred_addr * orig_deferred = opts->gen.deferred;
652
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
2153 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
2154 /*
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
2155 if ((native_end - dst) <= orig_size) {
264
8fd6652e56f8 Fix a crash bug in instruction retranslation
Mike Pavone <pavone@retrodev.com>
parents: 262
diff changeset
2156 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
2157 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
2158 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
2159 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
2160 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
2161 while (native_end < orig_start + orig_size) {
8fd6652e56f8 Fix a crash bug in instruction retranslation
Mike Pavone <pavone@retrodev.com>
parents: 262
diff changeset
2162 *(native_end++) = 0x90; //NOP
8fd6652e56f8 Fix a crash bug in instruction retranslation
Mike Pavone <pavone@retrodev.com>
parents: 262
diff changeset
2163 }
8fd6652e56f8 Fix a crash bug in instruction retranslation
Mike Pavone <pavone@retrodev.com>
parents: 262
diff changeset
2164 } else {
8fd6652e56f8 Fix a crash bug in instruction retranslation
Mike Pavone <pavone@retrodev.com>
parents: 262
diff changeset
2165 jmp(native_end, native_next);
8fd6652e56f8 Fix a crash bug in instruction retranslation
Mike Pavone <pavone@retrodev.com>
parents: 262
diff changeset
2166 }
266
376df762ddf5 Fix some more retranslation bugs in the Z80 core
Mike Pavone <pavone@retrodev.com>
parents: 264
diff changeset
2167 z80_handle_deferred(context);
264
8fd6652e56f8 Fix a crash bug in instruction retranslation
Mike Pavone <pavone@retrodev.com>
parents: 262
diff changeset
2168 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
2169 }
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
2170 }*/
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
2171 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
2172 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
2173 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
2174 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
2175 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
2176 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
2177 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
2178 }
266
376df762ddf5 Fix some more retranslation bugs in the Z80 core
Mike Pavone <pavone@retrodev.com>
parents: 264
diff changeset
2179 z80_handle_deferred(context);
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
2180 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
2181 } else {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
2182 code_info tmp_code = *code;
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
2183 code->cur = orig_start;
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
2184 code->last = orig_start + ZMAX_NATIVE_SIZE;
652
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
2185 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
2186 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
2187 *code = tmp_code;
283
61f5d88ea01a Implement RETI and RETN (untested). Cleanup tests for "terminal" instructions.
Mike Pavone <pavone@retrodev.com>
parents: 282
diff changeset
2188 if (!z80_is_terminal(&instbuf)) {
652
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
2189
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
2190 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
2191 }
266
376df762ddf5 Fix some more retranslation bugs in the Z80 core
Mike Pavone <pavone@retrodev.com>
parents: 264
diff changeset
2192 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
2193 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
2194 }
235
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2195 }
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2196
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2197 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
2198 {
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2199 char disbuf[80];
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2200 if (z80_get_native_address(context, address)) {
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2201 return;
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2202 }
590
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
2203 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
2204 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
2205
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
2206 do
235
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2207 {
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2208 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
2209 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
2210 do {
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2211 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
2212 if (existing) {
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
2213 jmp(&opts->gen.code, existing);
235
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2214 break;
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2215 }
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
2216 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
2217 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
2218 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
2219 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
2220 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
2221 break;
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2222 }
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
2223 //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
2224 check_code_prologue(&opts->gen.code);
235
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2225 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
2226 #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
2227 z80_disasm(&inst, disbuf, address);
235
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2228 if (inst.op == Z80_NOP) {
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2229 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
2230 } else {
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2231 printf("%X\t%s\n", address, disbuf);
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2232 }
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
2233 #endif
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
2234 code_ptr start = opts->gen.code.cur;
652
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
2235 translate_z80inst(&inst, context, address, 0);
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
2236 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
2237 address += next-encoded;
255
572b935dd030 Properly handle wrapping around to 0 in translate_z80_stream
Mike Pavone <pavone@retrodev.com>
parents: 254
diff changeset
2238 address &= 0xFFFF;
283
61f5d88ea01a Implement RETI and RETN (untested). Cleanup tests for "terminal" instructions.
Mike Pavone <pavone@retrodev.com>
parents: 282
diff changeset
2239 } while (!z80_is_terminal(&inst));
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
2240 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
2241 if (opts->gen.deferred) {
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
2242 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
2243 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
2244 }
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
2245 } 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
2246 }
4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
2247
819
ab017fb09e77 Added support for an IO memory map in Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 792
diff changeset
2248 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
2249 {
590
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
2250 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
2251
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
2252 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
2253 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
2254 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
2255 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
2256 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
2257 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
2258 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
2259 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
2260 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
2261 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
2262
235
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2263 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
2264 #ifdef X86_64
235
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2265 options->regs[Z80_B] = BH;
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2266 options->regs[Z80_C] = RBX;
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2267 options->regs[Z80_D] = CH;
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2268 options->regs[Z80_E] = RCX;
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2269 options->regs[Z80_H] = AH;
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2270 options->regs[Z80_L] = RAX;
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2271 options->regs[Z80_IXH] = DH;
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2272 options->regs[Z80_IXL] = RDX;
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2273 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
2274 options->regs[Z80_IYL] = R8;
235
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2275 options->regs[Z80_I] = -1;
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2276 options->regs[Z80_R] = -1;
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2277 options->regs[Z80_A] = R10;
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2278 options->regs[Z80_BC] = RBX;
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2279 options->regs[Z80_DE] = RCX;
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2280 options->regs[Z80_HL] = RAX;
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2281 options->regs[Z80_SP] = R9;
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2282 options->regs[Z80_AF] = -1;
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2283 options->regs[Z80_IX] = RDX;
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2284 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
2285
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
2286 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
2287 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
2288 #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
2289 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
2290 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
2291 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
2292
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
2293 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
2294 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
2295 #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
2296
590
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
2297 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
2298 options->gen.cycles = RBP;
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
2299 options->gen.limit = RDI;
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
2300
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
2301 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
2302 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
2303 options->gen.deferred = NULL;
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
2304 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
2305 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
2306 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
2307
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
2308 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
2309 init_code_info(code);
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
2310
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
2311 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
2312 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
2313 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
2314
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
2315 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
2316 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
2317 {
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
2318 int reg;
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
2319 uint8_t size;
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
2320 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
2321 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
2322 size = SZ_W;
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
2323 } else {
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
2324 reg = i;
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
2325 size = SZ_B;
652
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
2326 }
590
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
2327 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
2328 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
2329 }
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
2330 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
2331 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
2332 }
590
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
2333 }
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
2334 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
2335 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
2336 }
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
2337 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
2338 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
2339 retn(code);
590
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
2340
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
2341 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
2342 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
2343 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
2344 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
2345 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
2346 {
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
2347 int reg;
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
2348 uint8_t size;
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
2349 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
2350 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
2351 size = SZ_W;
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
2352 } else {
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
2353 reg = i;
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
2354 size = SZ_B;
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
2355 }
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
2356 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
2357 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
2358 }
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
2359 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
2360 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
2361 }
590
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
2362 }
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
2363 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
2364 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
2365 }
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
2366 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
2367 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
2368 retn(code);
5ef3fe516da9 Z80 core is sort of working again
Michael Pavone <pavone@retrodev.com>
parents: 592
diff changeset
2369
5ef3fe516da9 Z80 core is sort of working again
Michael Pavone <pavone@retrodev.com>
parents: 592
diff changeset
2370 options->native_addr = code->cur;
5ef3fe516da9 Z80 core is sort of working again
Michael Pavone <pavone@retrodev.com>
parents: 592
diff changeset
2371 call(code, options->gen.save_context);
5ef3fe516da9 Z80 core is sort of working again
Michael Pavone <pavone@retrodev.com>
parents: 592
diff changeset
2372 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
2373 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
2374 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
2375 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
2376 pop_r(code, options->gen.context_reg);
5ef3fe516da9 Z80 core is sort of working again
Michael Pavone <pavone@retrodev.com>
parents: 592
diff changeset
2377 call(code, options->gen.load_context);
5ef3fe516da9 Z80 core is sort of working again
Michael Pavone <pavone@retrodev.com>
parents: 592
diff changeset
2378 retn(code);
590
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
2379
895
13388ab6d78a Get Z80 core sort of working again post alignment change
Michael Pavone <pavone@retrodev.com>
parents: 894
diff changeset
2380 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
2381
590
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
2382 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
2383 //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
2384 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
2385 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
2386 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
2387 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
2388
590
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
2389 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
2390 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
2391 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
2392 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
2393 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
2394 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
2395 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
2396 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
2397 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
2398 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
2399 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
2400 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
2401 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
2402 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
2403 *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
2404 //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
2405 retn(code);
895
13388ab6d78a Get Z80 core sort of working again post alignment change
Michael Pavone <pavone@retrodev.com>
parents: 894
diff changeset
2406 code->stack_off = tmp_stack_off;
652
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
2407
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
2408 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
2409
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
2410 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
2411 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
2412
895
13388ab6d78a Get Z80 core sort of working again post alignment change
Michael Pavone <pavone@retrodev.com>
parents: 894
diff changeset
2413 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
2414 //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
2415 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
2416 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
2417 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
2418
895
13388ab6d78a Get Z80 core sort of working again post alignment change
Michael Pavone <pavone@retrodev.com>
parents: 894
diff changeset
2419 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
2420 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
2421 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
2422 //save PC
13388ab6d78a Get Z80 core sort of working again post alignment change
Michael Pavone <pavone@retrodev.com>
parents: 894
diff changeset
2423 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
2424 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
2425 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
2426 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
2427 //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
2428 //pop_rind(code, options->gen.context_reg);
2f1157f00dc6 Z80 core is now slightly less broken
Michael Pavone <pavone@retrodev.com>
parents: 895
diff changeset
2429 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
2430 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
2431 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
2432 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
2433
895
13388ab6d78a Get Z80 core sort of working again post alignment change
Michael Pavone <pavone@retrodev.com>
parents: 894
diff changeset
2434 //restore callee saved registers
13388ab6d78a Get Z80 core sort of working again post alignment change
Michael Pavone <pavone@retrodev.com>
parents: 894
diff changeset
2435 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
2436 //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
2437 *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
2438 retn(code);
13388ab6d78a Get Z80 core sort of working again post alignment change
Michael Pavone <pavone@retrodev.com>
parents: 894
diff changeset
2439 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
2440
590
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
2441 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
2442 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
2443 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
2444 //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
2445 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
2446 //disable interrupts
591
966b46c68942 Get Z80 core back into compileable state
Michael Pavone <pavone@retrodev.com>
parents: 590
diff changeset
2447 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
2448 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
2449 cycles(&options->gen, 7);
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
2450 //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
2451 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
2452 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
2453 //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
2454 //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
2455 //for a synchronization
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
2456 check_cycles(&options->gen);
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
2457 cycles(&options->gen, 3);
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
2458 //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
2459 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
2460 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
2461 //restore word to write
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
2462 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
2463 //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
2464 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
2465 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
2466 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
2467 check_cycles(&options->gen);
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
2468 cycles(&options->gen, 3);
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
2469 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
2470 //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
2471 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
2472 //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
2473 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
2474 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
2475 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
2476 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
2477 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
2478 //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
2479 retn(code);
895
13388ab6d78a Get Z80 core sort of working again post alignment change
Michael Pavone <pavone@retrodev.com>
parents: 894
diff changeset
2480 code->stack_off = tmp_stack_off;
593
5ef3fe516da9 Z80 core is sort of working again
Michael Pavone <pavone@retrodev.com>
parents: 592
diff changeset
2481
819
ab017fb09e77 Added support for an IO memory map in Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 792
diff changeset
2482 //HACK
ab017fb09e77 Added support for an IO memory map in Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 792
diff changeset
2483 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
2484 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
2485 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
2486 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
2487 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
2488 options->gen.address_mask = 0xFFFF;
652
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
2489
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
2490 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
2491 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
2492 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
2493 //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
2494 //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
2495 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
2496 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
2497 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
2498 #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
2499 //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
2500 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
2501 #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
2502 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
2503 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
2504 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
2505 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
2506 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
2507 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
2508 #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
2509 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
2510 #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
2511 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
2512 #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
2513 retn(code);
652
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
2514
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
2515 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
2516 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
2517 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
2518 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
2519 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
2520 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
2521 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
2522 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
2523 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
2524 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
2525 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
2526 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
2527 //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
2528 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
2529 retn(code);
652
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
2530
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
2531 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
2532 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
2533 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
2534 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
2535 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
2536 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
2537 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
2538 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
2539 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
2540 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
2541 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
2542 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
2543 //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
2544 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
2545 retn(code);
593
5ef3fe516da9 Z80 core is sort of working again
Michael Pavone <pavone@retrodev.com>
parents: 592
diff changeset
2546
5ef3fe516da9 Z80 core is sort of working again
Michael Pavone <pavone@retrodev.com>
parents: 592
diff changeset
2547 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
2548 tmp_stack_off = code->stack_off;
899
07bfbbbb4b2e Fix for Z80 retranslation post alignment rework
Michael Pavone <pavone@retrodev.com>
parents: 898
diff changeset
2549 //calculate size of patch
07bfbbbb4b2e Fix for Z80 retranslation post alignment rework
Michael Pavone <pavone@retrodev.com>
parents: 898
diff changeset
2550 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
2551 code->stack_off += sizeof(void *);
07bfbbbb4b2e Fix for Z80 retranslation post alignment rework
Michael Pavone <pavone@retrodev.com>
parents: 898
diff changeset
2552 if (code->stack_off & 0xF) {
07bfbbbb4b2e Fix for Z80 retranslation post alignment rework
Michael Pavone <pavone@retrodev.com>
parents: 898
diff changeset
2553 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
2554 }
07bfbbbb4b2e Fix for Z80 retranslation post alignment rework
Michael Pavone <pavone@retrodev.com>
parents: 898
diff changeset
2555 call_noalign(code, options->retrans_stub);
07bfbbbb4b2e Fix for Z80 retranslation post alignment rework
Michael Pavone <pavone@retrodev.com>
parents: 898
diff changeset
2556 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
2557 code->cur = options->retrans_stub;
07bfbbbb4b2e Fix for Z80 retranslation post alignment rework
Michael Pavone <pavone@retrodev.com>
parents: 898
diff changeset
2558 code->stack_off = tmp_stack_off;
07bfbbbb4b2e Fix for Z80 retranslation post alignment rework
Michael Pavone <pavone@retrodev.com>
parents: 898
diff changeset
2559
593
5ef3fe516da9 Z80 core is sort of working again
Michael Pavone <pavone@retrodev.com>
parents: 592
diff changeset
2560 //pop return address
5ef3fe516da9 Z80 core is sort of working again
Michael Pavone <pavone@retrodev.com>
parents: 592
diff changeset
2561 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
2562 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
2563 code->stack_off = tmp_stack_off;
593
5ef3fe516da9 Z80 core is sort of working again
Michael Pavone <pavone@retrodev.com>
parents: 592
diff changeset
2564 call(code, options->gen.save_context);
5ef3fe516da9 Z80 core is sort of working again
Michael Pavone <pavone@retrodev.com>
parents: 592
diff changeset
2565 //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
2566 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
2567 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
2568 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
2569 pop_r(code, options->gen.context_reg);
5ef3fe516da9 Z80 core is sort of working again
Michael Pavone <pavone@retrodev.com>
parents: 592
diff changeset
2570 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
2571 call(code, options->gen.load_context);
5ef3fe516da9 Z80 core is sort of working again
Michael Pavone <pavone@retrodev.com>
parents: 592
diff changeset
2572 jmp_r(code, options->gen.scratch1);
5ef3fe516da9 Z80 core is sort of working again
Michael Pavone <pavone@retrodev.com>
parents: 592
diff changeset
2573
5ef3fe516da9 Z80 core is sort of working again
Michael Pavone <pavone@retrodev.com>
parents: 592
diff changeset
2574 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
2575 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
2576 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
2577 #ifdef X86_64
593
5ef3fe516da9 Z80 core is sort of working again
Michael Pavone <pavone@retrodev.com>
parents: 592
diff changeset
2578 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
2579 #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
2580 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
2581 #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
2582 call(code, options->load_context_scratch);
593
5ef3fe516da9 Z80 core is sort of working again
Michael Pavone <pavone@retrodev.com>
parents: 592
diff changeset
2583 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
2584 code_ptr no_extra = code->cur+1;
5ef3fe516da9 Z80 core is sort of working again
Michael Pavone <pavone@retrodev.com>
parents: 592
diff changeset
2585 jcc(code, CC_Z, no_extra);
898
2f1157f00dc6 Z80 core is now slightly less broken
Michael Pavone <pavone@retrodev.com>
parents: 895
diff changeset
2586 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
2587 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
2588 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
2589 *no_extra = code->cur - (no_extra + 1);
5ef3fe516da9 Z80 core is sort of working again
Michael Pavone <pavone@retrodev.com>
parents: 592
diff changeset
2590 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
2591 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
2592 }
235
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2593
590
ea80559c67cb WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents: 506
diff changeset
2594 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
2595 {
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2596 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
2597 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
2598 context->static_code_map->base = NULL;
235
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2599 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
2600 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
2601 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
2602 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
2603 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
2604 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
2605 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
2606 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
2607 }
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c
Michael Pavone <pavone@retrodev.com>
parents: 667
diff changeset
2608
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c
Michael Pavone <pavone@retrodev.com>
parents: 667
diff changeset
2609 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
2610 {
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c
Michael Pavone <pavone@retrodev.com>
parents: 667
diff changeset
2611 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
2612 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
2613 } 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
2614 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
2615 //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
2616 //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
2617 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
2618 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
2619 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
2620 }
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c
Michael Pavone <pavone@retrodev.com>
parents: 667
diff changeset
2621 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
2622 {
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c
Michael Pavone <pavone@retrodev.com>
parents: 667
diff changeset
2623 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
2624 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
2625 }
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c
Michael Pavone <pavone@retrodev.com>
parents: 667
diff changeset
2626 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
2627 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
2628 } 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
2629 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
2630 }
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c
Michael Pavone <pavone@retrodev.com>
parents: 667
diff changeset
2631 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
2632 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
2633 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
2634 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
2635 }
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c
Michael Pavone <pavone@retrodev.com>
parents: 667
diff changeset
2636 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
2637 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
2638 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
2639 }
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c
Michael Pavone <pavone@retrodev.com>
parents: 667
diff changeset
2640 }
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c
Michael Pavone <pavone@retrodev.com>
parents: 667
diff changeset
2641 }
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c
Michael Pavone <pavone@retrodev.com>
parents: 667
diff changeset
2642 }
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c
Michael Pavone <pavone@retrodev.com>
parents: 667
diff changeset
2643
884
252dfd29831d Selecting a second game from the menu now works
Michael Pavone <pavone@retrodev.com>
parents: 854
diff changeset
2644 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
2645 {
252dfd29831d Selecting a second game from the menu now works
Michael Pavone <pavone@retrodev.com>
parents: 854
diff changeset
2646 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
2647 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
2648 free(opts);
252dfd29831d Selecting a second game from the menu now works
Michael Pavone <pavone@retrodev.com>
parents: 854
diff changeset
2649 }
252dfd29831d Selecting a second game from the menu now works
Michael Pavone <pavone@retrodev.com>
parents: 854
diff changeset
2650
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
2651 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
2652 {
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c
Michael Pavone <pavone@retrodev.com>
parents: 667
diff changeset
2653 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
2654 context->reset = 1;
235
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2655 }
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2656
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
2657 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
2658 {
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c
Michael Pavone <pavone@retrodev.com>
parents: 667
diff changeset
2659 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
2660 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
2661 //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
2662 context->im = 0;
200ee73c7210 Remove/comment verbose logging added for tracking down sync bug
Michael Pavone <pavone@retrodev.com>
parents: 697
diff changeset
2663 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
2664 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
2665 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
2666 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
2667 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
2668 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
2669 //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
2670 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
2671 }
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
2672 }
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c
Michael Pavone <pavone@retrodev.com>
parents: 667
diff changeset
2673 }
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c
Michael Pavone <pavone@retrodev.com>
parents: 667
diff changeset
2674
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c
Michael Pavone <pavone@retrodev.com>
parents: 667
diff changeset
2675 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
2676 {
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c
Michael Pavone <pavone@retrodev.com>
parents: 667
diff changeset
2677 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
2678 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
2679 //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
2680 //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
2681 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
2682 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
2683 }
701
200ee73c7210 Remove/comment verbose logging added for tracking down sync bug
Michael Pavone <pavone@retrodev.com>
parents: 697
diff changeset
2684 }
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
2685
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c
Michael Pavone <pavone@retrodev.com>
parents: 667
diff changeset
2686 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
2687 {
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c
Michael Pavone <pavone@retrodev.com>
parents: 667
diff changeset
2688 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
2689 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
2690 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
2691 //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
2692 //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
2693 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
2694 }
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2695
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
2696 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
2697 {
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
2698 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
2699 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
2700 }
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c
Michael Pavone <pavone@retrodev.com>
parents: 667
diff changeset
2701
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c
Michael Pavone <pavone@retrodev.com>
parents: 667
diff changeset
2702 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
2703 {
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c
Michael Pavone <pavone@retrodev.com>
parents: 667
diff changeset
2704 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
2705 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
2706 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
2707 } 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
2708 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
2709 }
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c
Michael Pavone <pavone@retrodev.com>
parents: 667
diff changeset
2710 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
2711 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
2712 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
2713 } 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
2714 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
2715 }
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c
Michael Pavone <pavone@retrodev.com>
parents: 667
diff changeset
2716 }
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c
Michael Pavone <pavone@retrodev.com>
parents: 667
diff changeset
2717 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
2718 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
2719 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
2720 } 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
2721 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
2722 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
2723 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
2724 } 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
2725 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
2726 }
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c
Michael Pavone <pavone@retrodev.com>
parents: 667
diff changeset
2727 }
5439ae7946ca Made the Z80 core more contained by refactoring some code in blastem.c into z80_to_x86.c
Michael Pavone <pavone@retrodev.com>
parents: 667
diff changeset
2728 }
235
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2729 }
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2730
652
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
2731 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
2732 {
966
f765c2fc7508 Fix crash bug in Z80 debugger introduced with stack alignment changes
Michael Pavone <pavone@retrodev.com>
parents: 900
diff changeset
2733 code_info code = {dst, dst+32};
659
759c38bf97f8 Minor Z80 core cleanup
Michael Pavone <pavone@retrodev.com>
parents: 657
diff changeset
2734 mov_ir(&code, address, context->options->gen.scratch1, SZ_W);
652
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
2735 call(&code, context->bp_stub);
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
2736 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
2737 }
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
2738
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
2739 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
2740 {
652
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
2741 z80_options * opts = context->options;
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
2742 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
2743 uint32_t start_stack_off = code->stack_off;
652
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
2744 check_code_prologue(code);
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
2745 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
2746
682
Michael Pavone <pavone@retrodev.com>
parents: 676 559
diff changeset
2747 //Calculate length of prologue
652
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
2748 check_cycles_int(&opts->gen, 0);
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
2749 int check_int_size = code->cur-context->bp_stub;
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
2750 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
2751
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
2752 //Calculate length of patch
652
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
2753 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
2754
682
Michael Pavone <pavone@retrodev.com>
parents: 676 559
diff changeset
2755 //Save context and call breakpoint handler
652
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
2756 call(code, opts->gen.save_context);
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
2757 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
2758 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
2759 mov_rr(code, RAX, opts->gen.context_reg, SZ_PTR);
682
Michael Pavone <pavone@retrodev.com>
parents: 676 559
diff changeset
2760 //Restore context
652
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
2761 call(code, opts->gen.load_context);
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
2762 pop_r(code, opts->gen.scratch1);
682
Michael Pavone <pavone@retrodev.com>
parents: 676 559
diff changeset
2763 //do prologue stuff
652
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
2764 cmp_rr(code, opts->gen.cycles, opts->gen.limit, SZ_D);
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
2765 uint8_t * jmp_off = code->cur+1;
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
2766 jcc(code, CC_NC, code->cur + 7);
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
2767 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
2768 add_ir(code, check_int_size - patch_size, opts->gen.scratch1, SZ_PTR);
652
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
2769 push_r(code, opts->gen.scratch1);
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
2770 jmp(code, opts->gen.handle_cycle_limit_int);
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
2771 *jmp_off = code->cur - (jmp_off+1);
682
Michael Pavone <pavone@retrodev.com>
parents: 676 559
diff changeset
2772 //jump back to body of translated instruction
652
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
2773 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
2774 add_ir(code, check_int_size - patch_size, opts->gen.scratch1, SZ_PTR);
652
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
2775 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
2776 code->stack_off = start_stack_off;
235
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2777 }
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2778
366
836585d389b8 Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents: 363
diff changeset
2779 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
2780 {
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
2781 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
2782 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
2783 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
2784 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
2785 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
2786 zcreate_stub(context);
366
836585d389b8 Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents: 363
diff changeset
2787 }
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
2788 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
2789 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
2790 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
2791 }
366
836585d389b8 Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents: 363
diff changeset
2792 }
836585d389b8 Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents: 363
diff changeset
2793 }
235
d9bf8e61c33c Get Z80 core working for simple programs
Mike Pavone <pavone@retrodev.com>
parents: 213
diff changeset
2794
366
836585d389b8 Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents: 363
diff changeset
2795 void zremove_breakpoint(z80_context * context, uint16_t address)
836585d389b8 Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents: 363
diff changeset
2796 {
819
ab017fb09e77 Added support for an IO memory map in Z80 core
Michael Pavone <pavone@retrodev.com>
parents: 792
diff changeset
2797 context->breakpoint_flags[address / 8] &= ~(1 << (address % 8));
366
836585d389b8 Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents: 363
diff changeset
2798 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
2799 if (native) {
652
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
2800 z80_options * opts = context->options;
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
2801 code_info tmp_code = opts->gen.code;
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
2802 opts->gen.code.cur = native;
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
2803 opts->gen.code.last = native + 16;
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
2804 check_cycles_int(&opts->gen, address);
Michael Pavone <pavone@retrodev.com>
parents: 620 651
diff changeset
2805 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
2806 }
366
836585d389b8 Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents: 363
diff changeset
2807 }
836585d389b8 Partial implementation of Z80 debugger
Mike Pavone <pavone@retrodev.com>
parents: 363
diff changeset
2808