Mercurial > repos > blastem
annotate m68k_core_x86.c @ 652:f822d9216968
Merge
author | Michael Pavone <pavone@retrodev.com> |
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date | Tue, 30 Dec 2014 19:11:34 -0800 |
parents | 9d6fed6501ba |
children | a18e3923481e |
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1 /* |
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2 Copyright 2013 Michael Pavone |
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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 "gen_x86.h" |
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7 #include "m68k_core.h" |
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8 #include "m68k_internal.h" |
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9 #include "68kinst.h" |
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10 #include "mem.h" |
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11 #include "backend.h" |
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12 #include <stdio.h> |
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13 #include <stddef.h> |
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14 #include <stdlib.h> |
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15 #include <string.h> |
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16 |
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17 #define CYCLES RAX |
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18 #define LIMIT RBP |
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19 #define CONTEXT RSI |
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20 #define SCRATCH1 RCX |
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21 |
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22 #ifdef X86_64 |
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23 #define SCRATCH2 RDI |
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24 #else |
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25 #define SCRATCH2 RBX |
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26 #endif |
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27 |
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28 enum { |
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29 FLAG_X, |
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30 FLAG_N, |
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31 FLAG_Z, |
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32 FLAG_V, |
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33 FLAG_C |
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34 }; |
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35 |
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36 void set_flag(m68k_options * opts, uint8_t val, uint8_t flag) |
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37 { |
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38 if (opts->flag_regs[flag] >= 0) { |
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39 mov_ir(&opts->gen.code, val, opts->flag_regs[flag], SZ_B); |
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40 } else { |
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41 int8_t offset = offsetof(m68k_context, flags) + flag; |
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42 if (offset) { |
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43 mov_irdisp(&opts->gen.code, val, opts->gen.context_reg, offset, SZ_B); |
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44 } else { |
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45 mov_irind(&opts->gen.code, val, opts->gen.context_reg, SZ_B); |
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46 } |
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47 } |
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48 } |
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49 |
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50 void set_flag_cond(m68k_options *opts, uint8_t cond, uint8_t flag) |
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51 { |
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52 if (opts->flag_regs[flag] >= 0) { |
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53 setcc_r(&opts->gen.code, cond, opts->flag_regs[flag]); |
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54 } else { |
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55 int8_t offset = offsetof(m68k_context, flags) + flag; |
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56 if (offset) { |
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57 setcc_rdisp(&opts->gen.code, cond, opts->gen.context_reg, offset); |
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58 } else { |
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59 setcc_rind(&opts->gen.code, cond, opts->gen.context_reg); |
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60 } |
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61 } |
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62 } |
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63 |
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64 void check_flag(m68k_options *opts, uint8_t flag) |
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65 { |
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66 if (opts->flag_regs[flag] >= 0) { |
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67 cmp_ir(&opts->gen.code, 0, opts->flag_regs[flag], SZ_B); |
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68 } else { |
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69 cmp_irdisp(&opts->gen.code, 0, opts->gen.context_reg, offsetof(m68k_context, flags) + flag, SZ_B); |
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70 } |
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71 } |
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72 |
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73 void flag_to_reg(m68k_options *opts, uint8_t flag, uint8_t reg) |
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74 { |
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75 if (opts->flag_regs[flag] >= 0) { |
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76 mov_rr(&opts->gen.code, opts->flag_regs[flag], reg, SZ_B); |
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77 } else { |
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78 int8_t offset = offsetof(m68k_context, flags) + flag; |
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79 if (offset) { |
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80 mov_rdispr(&opts->gen.code, opts->gen.context_reg, offset, reg, SZ_B); |
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81 } else { |
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82 mov_rindr(&opts->gen.code, opts->gen.context_reg, reg, SZ_B); |
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83 } |
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84 } |
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85 } |
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86 |
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87 void reg_to_flag(m68k_options *opts, uint8_t reg, uint8_t flag) |
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88 { |
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89 if (opts->flag_regs[flag] >= 0) { |
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90 mov_rr(&opts->gen.code, reg, opts->flag_regs[flag], SZ_B); |
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91 } else { |
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92 int8_t offset = offsetof(m68k_context, flags) + flag; |
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93 if (offset) { |
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94 mov_rrdisp(&opts->gen.code, reg, opts->gen.context_reg, offset, SZ_B); |
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95 } else { |
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96 mov_rrind(&opts->gen.code, reg, opts->gen.context_reg, SZ_B); |
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97 } |
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98 } |
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99 } |
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100 |
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101 void flag_to_flag(m68k_options *opts, uint8_t flag1, uint8_t flag2) |
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102 { |
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103 code_info *code = &opts->gen.code; |
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104 if (opts->flag_regs[flag1] >= 0 && opts->flag_regs[flag2] >= 0) { |
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105 mov_rr(code, opts->flag_regs[flag1], opts->flag_regs[flag2], SZ_B); |
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106 } else if(opts->flag_regs[flag1] >= 0) { |
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107 mov_rrdisp(code, opts->flag_regs[flag1], opts->gen.context_reg, offsetof(m68k_context, flags) + flag2, SZ_B); |
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108 } else if (opts->flag_regs[flag2] >= 0) { |
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109 mov_rdispr(code, opts->gen.context_reg, offsetof(m68k_context, flags) + flag1, opts->flag_regs[flag2], SZ_B); |
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110 } else { |
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111 push_r(code, opts->gen.scratch1); |
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112 mov_rdispr(code, opts->gen.context_reg, offsetof(m68k_context, flags) + flag1, opts->gen.scratch1, SZ_B); |
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113 mov_rrdisp(code, opts->gen.scratch1, opts->gen.context_reg, offsetof(m68k_context, flags) + flag2, SZ_B); |
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114 pop_r(code, opts->gen.scratch1); |
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115 } |
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116 } |
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117 |
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118 void update_flags(m68k_options *opts, uint32_t update_mask) |
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119 { |
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120 uint8_t native_flags[] = {0, CC_S, CC_Z, CC_O, CC_C}; |
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121 for (int8_t flag = FLAG_C; flag >= FLAG_X; --flag) |
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122 { |
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123 if (update_mask & X0 << (flag*3)) { |
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124 set_flag(opts, 0, flag); |
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125 } else if(update_mask & X1 << (flag*3)) { |
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126 set_flag(opts, 1, flag); |
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127 } else if(update_mask & X << (flag*3)) { |
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128 if (flag == FLAG_X) { |
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129 if (opts->flag_regs[FLAG_C] >= 0 || !(update_mask & (C0|C1|C))) { |
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130 flag_to_flag(opts, FLAG_C, FLAG_X); |
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131 } else if(update_mask & C0) { |
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132 set_flag(opts, 0, flag); |
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133 } else if(update_mask & C1) { |
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134 set_flag(opts, 1, flag); |
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135 } else { |
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136 set_flag_cond(opts, CC_C, flag); |
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137 } |
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138 } else { |
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139 set_flag_cond(opts, native_flags[flag], flag); |
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140 } |
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141 } |
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142 } |
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143 } |
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144 |
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145 void flag_to_carry(m68k_options * opts, uint8_t flag) |
546
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146 { |
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147 if (opts->flag_regs[flag] >= 0) { |
567
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148 bt_ir(&opts->gen.code, 0, opts->flag_regs[flag], SZ_B); |
546
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149 } else { |
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150 bt_irdisp(&opts->gen.code, 0, opts->gen.context_reg, offsetof(m68k_context, flags) + flag, SZ_B); |
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151 } |
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Make references to flags in the M68K core respect the flag_regs options array so that flags can be moved out of registers for the 32-bit port. set/get ccr/sr still need to be updated to support this, but everything else should be done.
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152 } |
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153 |
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154 void or_flag_to_reg(m68k_options *opts, uint8_t flag, uint8_t reg) |
546
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155 { |
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156 if (opts->flag_regs[flag] >= 0) { |
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157 or_rr(&opts->gen.code, opts->flag_regs[flag], reg, SZ_B); |
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158 } else { |
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159 or_rdispr(&opts->gen.code, opts->gen.context_reg, offsetof(m68k_context, flags) + flag, reg, SZ_B); |
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160 } |
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161 } |
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162 |
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163 void xor_flag_to_reg(m68k_options *opts, uint8_t flag, uint8_t reg) |
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164 { |
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165 if (opts->flag_regs[flag] >= 0) { |
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166 xor_rr(&opts->gen.code, opts->flag_regs[flag], reg, SZ_B); |
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167 } else { |
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168 xor_rdispr(&opts->gen.code, opts->gen.context_reg, offsetof(m68k_context, flags) + flag, reg, SZ_B); |
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169 } |
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170 } |
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171 |
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172 void xor_flag(m68k_options *opts, uint8_t val, uint8_t flag) |
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173 { |
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174 if (opts->flag_regs[flag] >= 0) { |
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175 xor_ir(&opts->gen.code, val, opts->flag_regs[flag], SZ_B); |
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176 } else { |
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177 xor_irdisp(&opts->gen.code, val, opts->gen.context_reg, offsetof(m68k_context, flags) + flag, SZ_B); |
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178 } |
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179 } |
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180 |
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181 void cmp_flags(m68k_options *opts, uint8_t flag1, uint8_t flag2) |
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182 { |
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183 code_info *code = &opts->gen.code; |
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184 if (opts->flag_regs[flag1] >= 0 && opts->flag_regs[flag2] >= 0) { |
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185 cmp_rr(code, opts->flag_regs[flag1], opts->flag_regs[flag2], SZ_B); |
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186 } else if(opts->flag_regs[flag1] >= 0 || opts->flag_regs[flag2] >= 0) { |
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187 if (opts->flag_regs[flag2] >= 0) { |
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188 uint8_t tmp = flag1; |
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189 flag1 = flag2; |
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190 flag2 = tmp; |
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191 } |
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192 cmp_rrdisp(code, opts->flag_regs[flag1], opts->gen.context_reg, offsetof(m68k_context, flags) + flag2, SZ_B); |
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193 } else { |
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194 mov_rdispr(code, opts->gen.context_reg, offsetof(m68k_context, flags) + flag1, opts->gen.scratch1, SZ_B); |
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195 cmp_rrdisp(code, opts->gen.scratch1, opts->gen.context_reg, offsetof(m68k_context, flags) + flag2, SZ_B); |
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196 } |
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197 } |
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198 |
574
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199 void areg_to_native(m68k_options *opts, uint8_t reg, uint8_t native_reg) |
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200 { |
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201 if (opts->aregs[reg] >= 0) { |
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202 mov_rr(&opts->gen.code, opts->aregs[reg], native_reg, SZ_D); |
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203 } else { |
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204 mov_rdispr(&opts->gen.code, opts->gen.context_reg, areg_offset(reg), native_reg, SZ_D); |
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205 } |
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206 } |
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207 |
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208 void dreg_to_native(m68k_options *opts, uint8_t reg, uint8_t native_reg) |
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209 { |
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210 if (opts->dregs[reg] >= 0) { |
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211 mov_rr(&opts->gen.code, opts->dregs[reg], native_reg, SZ_D); |
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212 } else { |
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213 mov_rdispr(&opts->gen.code, opts->gen.context_reg, dreg_offset(reg), native_reg, SZ_D); |
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214 } |
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215 } |
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216 |
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217 void areg_to_native_sx(m68k_options *opts, uint8_t reg, uint8_t native_reg) |
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218 { |
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219 if (opts->aregs[reg] >= 0) { |
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220 movsx_rr(&opts->gen.code, opts->aregs[reg], native_reg, SZ_W, SZ_D); |
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221 } else { |
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222 movsx_rdispr(&opts->gen.code, opts->gen.context_reg, areg_offset(reg), native_reg, SZ_W, SZ_D); |
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223 } |
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224 } |
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225 |
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226 void dreg_to_native_sx(m68k_options *opts, uint8_t reg, uint8_t native_reg) |
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227 { |
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228 if (opts->dregs[reg] >= 0) { |
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229 movsx_rr(&opts->gen.code, opts->dregs[reg], native_reg, SZ_W, SZ_D); |
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230 } else { |
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231 movsx_rdispr(&opts->gen.code, opts->gen.context_reg, dreg_offset(reg), native_reg, SZ_W, SZ_D); |
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232 } |
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233 } |
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234 |
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235 void native_to_areg(m68k_options *opts, uint8_t native_reg, uint8_t reg) |
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236 { |
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237 if (opts->aregs[reg] >= 0) { |
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238 mov_rr(&opts->gen.code, native_reg, opts->aregs[reg], SZ_D); |
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239 } else { |
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240 mov_rrdisp(&opts->gen.code, native_reg, opts->gen.context_reg, areg_offset(reg), SZ_D); |
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241 } |
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242 } |
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243 |
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244 void native_to_dreg(m68k_options *opts, uint8_t native_reg, uint8_t reg) |
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245 { |
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246 if (opts->dregs[reg] >= 0) { |
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247 mov_rr(&opts->gen.code, native_reg, opts->dregs[reg], SZ_D); |
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248 } else { |
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249 mov_rrdisp(&opts->gen.code, native_reg, opts->gen.context_reg, dreg_offset(reg), SZ_D); |
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250 } |
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251 } |
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252 |
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253 void ldi_areg(m68k_options *opts, int32_t value, uint8_t reg) |
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254 { |
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255 if (opts->aregs[reg] >= 0) { |
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256 mov_ir(&opts->gen.code, value, opts->aregs[reg], SZ_D); |
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257 } else { |
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258 mov_irdisp(&opts->gen.code, value, opts->gen.context_reg, areg_offset(reg), SZ_D); |
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259 } |
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260 } |
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261 |
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262 void ldi_native(m68k_options *opts, int32_t value, uint8_t reg) |
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263 { |
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264 mov_ir(&opts->gen.code, value, reg, SZ_D); |
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265 } |
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266 |
588
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267 void addi_native(m68k_options *opts, int32_t value, uint8_t reg) |
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268 { |
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269 add_ir(&opts->gen.code, value, reg, SZ_D); |
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270 } |
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271 |
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272 void subi_native(m68k_options *opts, int32_t value, uint8_t reg) |
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273 { |
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274 sub_ir(&opts->gen.code, value, reg, SZ_D); |
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275 } |
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276 |
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277 void push_native(m68k_options *opts, uint8_t reg) |
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278 { |
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279 push_r(&opts->gen.code, reg); |
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280 } |
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281 |
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282 void pop_native(m68k_options *opts, uint8_t reg) |
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283 { |
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284 pop_r(&opts->gen.code, reg); |
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285 } |
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286 |
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287 void sign_extend16_native(m68k_options *opts, uint8_t reg) |
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288 { |
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289 movsx_rr(&opts->gen.code, reg, reg, SZ_W, SZ_D); |
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290 } |
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291 |
574
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292 void addi_areg(m68k_options *opts, int32_t val, uint8_t reg) |
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293 { |
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294 if (opts->aregs[reg] >= 0) { |
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295 add_ir(&opts->gen.code, val, opts->aregs[reg], SZ_D); |
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296 } else { |
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297 add_irdisp(&opts->gen.code, val, opts->gen.context_reg, areg_offset(reg), SZ_D); |
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298 } |
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299 } |
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300 |
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301 void subi_areg(m68k_options *opts, int32_t val, uint8_t reg) |
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302 { |
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303 if (opts->aregs[reg] >= 0) { |
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304 sub_ir(&opts->gen.code, val, opts->aregs[reg], SZ_D); |
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305 } else { |
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306 sub_irdisp(&opts->gen.code, val, opts->gen.context_reg, areg_offset(reg), SZ_D); |
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307 } |
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308 } |
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309 |
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310 void add_areg_native(m68k_options *opts, uint8_t reg, uint8_t native_reg) |
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311 { |
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312 if (opts->aregs[reg] >= 0) { |
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313 add_rr(&opts->gen.code, opts->aregs[reg], native_reg, SZ_D); |
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314 } else { |
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315 add_rdispr(&opts->gen.code, opts->gen.context_reg, areg_offset(reg), native_reg, SZ_D); |
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316 } |
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317 } |
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318 |
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319 void add_dreg_native(m68k_options *opts, uint8_t reg, uint8_t native_reg) |
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320 { |
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321 if (opts->dregs[reg] >= 0) { |
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322 add_rr(&opts->gen.code, opts->dregs[reg], native_reg, SZ_D); |
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323 } else { |
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324 add_rdispr(&opts->gen.code, opts->gen.context_reg, dreg_offset(reg), native_reg, SZ_D); |
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325 } |
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326 } |
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327 |
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328 void calc_areg_displace(m68k_options *opts, m68k_op_info *op, uint8_t native_reg) |
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329 { |
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330 areg_to_native(opts, op->params.regs.pri, native_reg); |
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331 add_ir(&opts->gen.code, op->params.regs.displacement, native_reg, SZ_D); |
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332 } |
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333 |
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334 void calc_index_disp8(m68k_options *opts, m68k_op_info *op, uint8_t native_reg) |
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335 { |
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336 uint8_t sec_reg = (op->params.regs.sec >> 1) & 0x7; |
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337 if (op->params.regs.sec & 1) { |
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338 if (op->params.regs.sec & 0x10) { |
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339 add_areg_native(opts, sec_reg, native_reg); |
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340 } else { |
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341 add_dreg_native(opts, sec_reg, native_reg); |
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342 } |
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343 } else { |
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344 uint8_t other_reg = native_reg == opts->gen.scratch1 ? opts->gen.scratch2 : opts->gen.scratch1; |
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345 if (op->params.regs.sec & 0x10) { |
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346 areg_to_native_sx(opts, sec_reg, other_reg); |
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347 } else { |
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348 dreg_to_native_sx(opts, sec_reg, other_reg); |
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349 } |
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350 add_rr(&opts->gen.code, other_reg, native_reg, SZ_D); |
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351 } |
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352 if (op->params.regs.displacement) { |
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353 add_ir(&opts->gen.code, op->params.regs.displacement, native_reg, SZ_D); |
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354 } |
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355 } |
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356 |
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357 void calc_areg_index_disp8(m68k_options *opts, m68k_op_info *op, uint8_t native_reg) |
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358 { |
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359 areg_to_native(opts, op->params.regs.pri, native_reg); |
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360 calc_index_disp8(opts, op, native_reg); |
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361 } |
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362 |
582
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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parents:
581
diff
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363 void translate_m68k_op(m68kinst * inst, host_ea * ea, m68k_options * opts, uint8_t dst) |
567
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364 { |
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365 code_info *code = &opts->gen.code; |
571
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366 m68k_op_info *op = dst ? &inst->dst : &inst->src; |
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367 int8_t reg = native_reg(op, opts); |
81
6d231dbe75ab
Add support for indexed modes as a source, some work on jmp and jsr with areg indirect mode
Mike Pavone <pavone@retrodev.com>
parents:
78
diff
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|
368 uint8_t sec_reg; |
18
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14
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|
369 int32_t dec_amount,inc_amount; |
14
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370 if (reg >= 0) { |
18
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371 ea->mode = MODE_REG_DIRECT; |
571
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372 if (!dst && inst->dst.addr_mode == MODE_AREG && inst->extra.size == OPSIZE_WORD) { |
567
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|
373 movsx_rr(code, reg, opts->gen.scratch1, SZ_W, SZ_D); |
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|
374 ea->base = opts->gen.scratch1; |
181
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Fix signed division with negative result, fix address reg destination with word-sized operand, fix cmpm decoding and code generation, fix unbalanced pop in bit instructions
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179
diff
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375 } else { |
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376 ea->base = reg; |
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Fix signed division with negative result, fix address reg destination with word-sized operand, fix cmpm decoding and code generation, fix unbalanced pop in bit instructions
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|
377 } |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
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|
378 return; |
14
2bdad0f52f42
x86 code gen, initial work on translator
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|
379 } |
571
c90fc522e7e3
Refactor translat_m68k_src and translate_m68k_dst into a single function
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parents:
570
diff
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|
380 switch (op->addr_mode) |
18
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|
381 { |
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|
382 case MODE_REG: |
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diff
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|
383 case MODE_AREG: |
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parents:
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diff
changeset
|
384 //We only get one memory parameter, so if the dst operand is a register in memory, |
571
c90fc522e7e3
Refactor translat_m68k_src and translate_m68k_dst into a single function
Michael Pavone <pavone@retrodev.com>
parents:
570
diff
changeset
|
385 //we need to copy this to a temp register first if we're translating the src operand |
c90fc522e7e3
Refactor translat_m68k_src and translate_m68k_dst into a single function
Michael Pavone <pavone@retrodev.com>
parents:
570
diff
changeset
|
386 if (dst || native_reg(&(inst->dst), opts) >= 0 || inst->dst.addr_mode == MODE_UNUSED || !(inst->dst.addr_mode == MODE_REG || inst->dst.addr_mode == MODE_AREG) |
18
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
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14
diff
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|
387 || inst->op == M68K_EXG) { |
447
e730fc040169
Fix performance regression from stop instruction work
Mike Pavone <pavone@retrodev.com>
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446
diff
changeset
|
388 |
18
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
389 ea->mode = MODE_REG_DISPLACE8; |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
390 ea->base = opts->gen.context_reg; |
571
c90fc522e7e3
Refactor translat_m68k_src and translate_m68k_dst into a single function
Michael Pavone <pavone@retrodev.com>
parents:
570
diff
changeset
|
391 ea->disp = reg_offset(op); |
18
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
392 } else { |
181
3b4ef459aa8d
Fix signed division with negative result, fix address reg destination with word-sized operand, fix cmpm decoding and code generation, fix unbalanced pop in bit instructions
Mike Pavone <pavone@retrodev.com>
parents:
179
diff
changeset
|
393 if (inst->dst.addr_mode == MODE_AREG && inst->extra.size == OPSIZE_WORD) { |
571
c90fc522e7e3
Refactor translat_m68k_src and translate_m68k_dst into a single function
Michael Pavone <pavone@retrodev.com>
parents:
570
diff
changeset
|
394 movsx_rdispr(code, opts->gen.context_reg, reg_offset(op), opts->gen.scratch1, SZ_W, SZ_D); |
181
3b4ef459aa8d
Fix signed division with negative result, fix address reg destination with word-sized operand, fix cmpm decoding and code generation, fix unbalanced pop in bit instructions
Mike Pavone <pavone@retrodev.com>
parents:
179
diff
changeset
|
395 } else { |
571
c90fc522e7e3
Refactor translat_m68k_src and translate_m68k_dst into a single function
Michael Pavone <pavone@retrodev.com>
parents:
570
diff
changeset
|
396 mov_rdispr(code, opts->gen.context_reg, reg_offset(op), opts->gen.scratch1, inst->extra.size); |
181
3b4ef459aa8d
Fix signed division with negative result, fix address reg destination with word-sized operand, fix cmpm decoding and code generation, fix unbalanced pop in bit instructions
Mike Pavone <pavone@retrodev.com>
parents:
179
diff
changeset
|
397 } |
18
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
398 ea->mode = MODE_REG_DIRECT; |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
399 ea->base = opts->gen.scratch1; |
181
3b4ef459aa8d
Fix signed division with negative result, fix address reg destination with word-sized operand, fix cmpm decoding and code generation, fix unbalanced pop in bit instructions
Mike Pavone <pavone@retrodev.com>
parents:
179
diff
changeset
|
400 //we're explicitly handling the areg dest here, so we exit immediately |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
401 return; |
18
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
402 } |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
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parents:
14
diff
changeset
|
403 break; |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
404 case MODE_AREG_PREDEC: |
571
c90fc522e7e3
Refactor translat_m68k_src and translate_m68k_dst into a single function
Michael Pavone <pavone@retrodev.com>
parents:
570
diff
changeset
|
405 if (dst && inst->src.addr_mode == MODE_AREG_PREDEC) { |
c90fc522e7e3
Refactor translat_m68k_src and translate_m68k_dst into a single function
Michael Pavone <pavone@retrodev.com>
parents:
570
diff
changeset
|
406 push_r(code, opts->gen.scratch1); |
c90fc522e7e3
Refactor translat_m68k_src and translate_m68k_dst into a single function
Michael Pavone <pavone@retrodev.com>
parents:
570
diff
changeset
|
407 } |
c90fc522e7e3
Refactor translat_m68k_src and translate_m68k_dst into a single function
Michael Pavone <pavone@retrodev.com>
parents:
570
diff
changeset
|
408 dec_amount = inst->extra.size == OPSIZE_WORD ? 2 : (inst->extra.size == OPSIZE_LONG ? 4 : (op->params.regs.pri == 7 ? 2 :1)); |
c90fc522e7e3
Refactor translat_m68k_src and translate_m68k_dst into a single function
Michael Pavone <pavone@retrodev.com>
parents:
570
diff
changeset
|
409 if (!dst) { |
c90fc522e7e3
Refactor translat_m68k_src and translate_m68k_dst into a single function
Michael Pavone <pavone@retrodev.com>
parents:
570
diff
changeset
|
410 cycles(&opts->gen, PREDEC_PENALTY); |
c90fc522e7e3
Refactor translat_m68k_src and translate_m68k_dst into a single function
Michael Pavone <pavone@retrodev.com>
parents:
570
diff
changeset
|
411 } |
574
1594525e2157
More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts
Michael Pavone <pavone@retrodev.com>
parents:
571
diff
changeset
|
412 subi_areg(opts, dec_amount, op->params.regs.pri); |
18
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
413 case MODE_AREG_INDIRECT: |
447
e730fc040169
Fix performance regression from stop instruction work
Mike Pavone <pavone@retrodev.com>
parents:
446
diff
changeset
|
414 case MODE_AREG_POSTINC: |
574
1594525e2157
More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts
Michael Pavone <pavone@retrodev.com>
parents:
571
diff
changeset
|
415 areg_to_native(opts, op->params.regs.pri, opts->gen.scratch1); |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
416 m68k_read_size(opts, inst->extra.size); |
447
e730fc040169
Fix performance regression from stop instruction work
Mike Pavone <pavone@retrodev.com>
parents:
446
diff
changeset
|
417 |
571
c90fc522e7e3
Refactor translat_m68k_src and translate_m68k_dst into a single function
Michael Pavone <pavone@retrodev.com>
parents:
570
diff
changeset
|
418 if (dst) { |
c90fc522e7e3
Refactor translat_m68k_src and translate_m68k_dst into a single function
Michael Pavone <pavone@retrodev.com>
parents:
570
diff
changeset
|
419 if (inst->src.addr_mode == MODE_AREG_PREDEC) { |
c90fc522e7e3
Refactor translat_m68k_src and translate_m68k_dst into a single function
Michael Pavone <pavone@retrodev.com>
parents:
570
diff
changeset
|
420 //restore src operand to opts->gen.scratch2 |
c90fc522e7e3
Refactor translat_m68k_src and translate_m68k_dst into a single function
Michael Pavone <pavone@retrodev.com>
parents:
570
diff
changeset
|
421 pop_r(code, opts->gen.scratch2); |
18
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
422 } else { |
571
c90fc522e7e3
Refactor translat_m68k_src and translate_m68k_dst into a single function
Michael Pavone <pavone@retrodev.com>
parents:
570
diff
changeset
|
423 //save reg value in opts->gen.scratch2 so we can use it to save the result in memory later |
574
1594525e2157
More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts
Michael Pavone <pavone@retrodev.com>
parents:
571
diff
changeset
|
424 areg_to_native(opts, op->params.regs.pri, opts->gen.scratch2); |
571
c90fc522e7e3
Refactor translat_m68k_src and translate_m68k_dst into a single function
Michael Pavone <pavone@retrodev.com>
parents:
570
diff
changeset
|
425 } |
c90fc522e7e3
Refactor translat_m68k_src and translate_m68k_dst into a single function
Michael Pavone <pavone@retrodev.com>
parents:
570
diff
changeset
|
426 } |
c90fc522e7e3
Refactor translat_m68k_src and translate_m68k_dst into a single function
Michael Pavone <pavone@retrodev.com>
parents:
570
diff
changeset
|
427 |
c90fc522e7e3
Refactor translat_m68k_src and translate_m68k_dst into a single function
Michael Pavone <pavone@retrodev.com>
parents:
570
diff
changeset
|
428 if (op->addr_mode == MODE_AREG_POSTINC) { |
c90fc522e7e3
Refactor translat_m68k_src and translate_m68k_dst into a single function
Michael Pavone <pavone@retrodev.com>
parents:
570
diff
changeset
|
429 inc_amount = inst->extra.size == OPSIZE_WORD ? 2 : (inst->extra.size == OPSIZE_LONG ? 4 : (op->params.regs.pri == 7 ? 2 : 1)); |
574
1594525e2157
More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts
Michael Pavone <pavone@retrodev.com>
parents:
571
diff
changeset
|
430 addi_areg(opts, inc_amount, op->params.regs.pri); |
18
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
431 } |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
432 ea->mode = MODE_REG_DIRECT; |
571
c90fc522e7e3
Refactor translat_m68k_src and translate_m68k_dst into a single function
Michael Pavone <pavone@retrodev.com>
parents:
570
diff
changeset
|
433 ea->base = (!dst && inst->dst.addr_mode == MODE_AREG_PREDEC && inst->op != M68K_MOVE) ? opts->gen.scratch2 : opts->gen.scratch1; |
18
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
434 break; |
71
f80fa1776507
Implement more instructions and address modes
Mike Pavone <pavone@retrodev.com>
parents:
70
diff
changeset
|
435 case MODE_AREG_DISPLACE: |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
436 cycles(&opts->gen, BUS); |
574
1594525e2157
More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts
Michael Pavone <pavone@retrodev.com>
parents:
571
diff
changeset
|
437 calc_areg_displace(opts, op, opts->gen.scratch1); |
571
c90fc522e7e3
Refactor translat_m68k_src and translate_m68k_dst into a single function
Michael Pavone <pavone@retrodev.com>
parents:
570
diff
changeset
|
438 if (dst) { |
c90fc522e7e3
Refactor translat_m68k_src and translate_m68k_dst into a single function
Michael Pavone <pavone@retrodev.com>
parents:
570
diff
changeset
|
439 push_r(code, opts->gen.scratch1); |
c90fc522e7e3
Refactor translat_m68k_src and translate_m68k_dst into a single function
Michael Pavone <pavone@retrodev.com>
parents:
570
diff
changeset
|
440 } |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
441 m68k_read_size(opts, inst->extra.size); |
571
c90fc522e7e3
Refactor translat_m68k_src and translate_m68k_dst into a single function
Michael Pavone <pavone@retrodev.com>
parents:
570
diff
changeset
|
442 if (dst) { |
c90fc522e7e3
Refactor translat_m68k_src and translate_m68k_dst into a single function
Michael Pavone <pavone@retrodev.com>
parents:
570
diff
changeset
|
443 pop_r(code, opts->gen.scratch2); |
c90fc522e7e3
Refactor translat_m68k_src and translate_m68k_dst into a single function
Michael Pavone <pavone@retrodev.com>
parents:
570
diff
changeset
|
444 } |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
445 |
71
f80fa1776507
Implement more instructions and address modes
Mike Pavone <pavone@retrodev.com>
parents:
70
diff
changeset
|
446 ea->mode = MODE_REG_DIRECT; |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
447 ea->base = opts->gen.scratch1; |
71
f80fa1776507
Implement more instructions and address modes
Mike Pavone <pavone@retrodev.com>
parents:
70
diff
changeset
|
448 break; |
81
6d231dbe75ab
Add support for indexed modes as a source, some work on jmp and jsr with areg indirect mode
Mike Pavone <pavone@retrodev.com>
parents:
78
diff
changeset
|
449 case MODE_AREG_INDEX_DISP8: |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
450 cycles(&opts->gen, 6); |
574
1594525e2157
More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts
Michael Pavone <pavone@retrodev.com>
parents:
571
diff
changeset
|
451 calc_areg_index_disp8(opts, op, opts->gen.scratch1); |
571
c90fc522e7e3
Refactor translat_m68k_src and translate_m68k_dst into a single function
Michael Pavone <pavone@retrodev.com>
parents:
570
diff
changeset
|
452 if (dst) { |
c90fc522e7e3
Refactor translat_m68k_src and translate_m68k_dst into a single function
Michael Pavone <pavone@retrodev.com>
parents:
570
diff
changeset
|
453 push_r(code, opts->gen.scratch1); |
81
6d231dbe75ab
Add support for indexed modes as a source, some work on jmp and jsr with areg indirect mode
Mike Pavone <pavone@retrodev.com>
parents:
78
diff
changeset
|
454 } |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
455 m68k_read_size(opts, inst->extra.size); |
571
c90fc522e7e3
Refactor translat_m68k_src and translate_m68k_dst into a single function
Michael Pavone <pavone@retrodev.com>
parents:
570
diff
changeset
|
456 if (dst) { |
c90fc522e7e3
Refactor translat_m68k_src and translate_m68k_dst into a single function
Michael Pavone <pavone@retrodev.com>
parents:
570
diff
changeset
|
457 pop_r(code, opts->gen.scratch2); |
c90fc522e7e3
Refactor translat_m68k_src and translate_m68k_dst into a single function
Michael Pavone <pavone@retrodev.com>
parents:
570
diff
changeset
|
458 } |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
459 |
54
3b79cbcf6846
Get Flavio's color bar demo kind of sort of working
Mike Pavone <pavone@retrodev.com>
parents:
53
diff
changeset
|
460 ea->mode = MODE_REG_DIRECT; |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
461 ea->base = opts->gen.scratch1; |
54
3b79cbcf6846
Get Flavio's color bar demo kind of sort of working
Mike Pavone <pavone@retrodev.com>
parents:
53
diff
changeset
|
462 break; |
571
c90fc522e7e3
Refactor translat_m68k_src and translate_m68k_dst into a single function
Michael Pavone <pavone@retrodev.com>
parents:
570
diff
changeset
|
463 case MODE_PC_DISPLACE: |
c90fc522e7e3
Refactor translat_m68k_src and translate_m68k_dst into a single function
Michael Pavone <pavone@retrodev.com>
parents:
570
diff
changeset
|
464 cycles(&opts->gen, BUS); |
c90fc522e7e3
Refactor translat_m68k_src and translate_m68k_dst into a single function
Michael Pavone <pavone@retrodev.com>
parents:
570
diff
changeset
|
465 mov_ir(code, op->params.regs.displacement + inst->address+2, opts->gen.scratch1, SZ_D); |
c90fc522e7e3
Refactor translat_m68k_src and translate_m68k_dst into a single function
Michael Pavone <pavone@retrodev.com>
parents:
570
diff
changeset
|
466 if (dst) { |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
467 push_r(code, opts->gen.scratch1); |
184
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
183
diff
changeset
|
468 } |
571
c90fc522e7e3
Refactor translat_m68k_src and translate_m68k_dst into a single function
Michael Pavone <pavone@retrodev.com>
parents:
570
diff
changeset
|
469 m68k_read_size(opts, inst->extra.size); |
c90fc522e7e3
Refactor translat_m68k_src and translate_m68k_dst into a single function
Michael Pavone <pavone@retrodev.com>
parents:
570
diff
changeset
|
470 if (dst) { |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
471 pop_r(code, opts->gen.scratch2); |
18
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
472 } |
447
e730fc040169
Fix performance regression from stop instruction work
Mike Pavone <pavone@retrodev.com>
parents:
446
diff
changeset
|
473 |
18
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
474 ea->mode = MODE_REG_DIRECT; |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
475 ea->base = opts->gen.scratch1; |
18
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
476 break; |
571
c90fc522e7e3
Refactor translat_m68k_src and translate_m68k_dst into a single function
Michael Pavone <pavone@retrodev.com>
parents:
570
diff
changeset
|
477 case MODE_PC_INDEX_DISP8: |
c90fc522e7e3
Refactor translat_m68k_src and translate_m68k_dst into a single function
Michael Pavone <pavone@retrodev.com>
parents:
570
diff
changeset
|
478 cycles(&opts->gen, 6); |
c90fc522e7e3
Refactor translat_m68k_src and translate_m68k_dst into a single function
Michael Pavone <pavone@retrodev.com>
parents:
570
diff
changeset
|
479 mov_ir(code, inst->address+2, opts->gen.scratch1, SZ_D); |
574
1594525e2157
More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts
Michael Pavone <pavone@retrodev.com>
parents:
571
diff
changeset
|
480 calc_index_disp8(opts, op, opts->gen.scratch1); |
571
c90fc522e7e3
Refactor translat_m68k_src and translate_m68k_dst into a single function
Michael Pavone <pavone@retrodev.com>
parents:
570
diff
changeset
|
481 if (dst) { |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
482 push_r(code, opts->gen.scratch1); |
571
c90fc522e7e3
Refactor translat_m68k_src and translate_m68k_dst into a single function
Michael Pavone <pavone@retrodev.com>
parents:
570
diff
changeset
|
483 } |
c90fc522e7e3
Refactor translat_m68k_src and translate_m68k_dst into a single function
Michael Pavone <pavone@retrodev.com>
parents:
570
diff
changeset
|
484 m68k_read_size(opts, inst->extra.size); |
c90fc522e7e3
Refactor translat_m68k_src and translate_m68k_dst into a single function
Michael Pavone <pavone@retrodev.com>
parents:
570
diff
changeset
|
485 if (dst) { |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
486 pop_r(code, opts->gen.scratch2); |
71
f80fa1776507
Implement more instructions and address modes
Mike Pavone <pavone@retrodev.com>
parents:
70
diff
changeset
|
487 } |
571
c90fc522e7e3
Refactor translat_m68k_src and translate_m68k_dst into a single function
Michael Pavone <pavone@retrodev.com>
parents:
570
diff
changeset
|
488 |
98
104e257fb93c
Allow indexed modes to be used as a destination
Mike Pavone <pavone@retrodev.com>
parents:
97
diff
changeset
|
489 ea->mode = MODE_REG_DIRECT; |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
490 ea->base = opts->gen.scratch1; |
98
104e257fb93c
Allow indexed modes to be used as a destination
Mike Pavone <pavone@retrodev.com>
parents:
97
diff
changeset
|
491 break; |
61
918468c623e9
Add support for BTST instruction (untested), absolute addressing mode for instructions other than move (untested) and fix decoding of MOVEM.
Mike Pavone <pavone@retrodev.com>
parents:
59
diff
changeset
|
492 case MODE_ABSOLUTE: |
918468c623e9
Add support for BTST instruction (untested), absolute addressing mode for instructions other than move (untested) and fix decoding of MOVEM.
Mike Pavone <pavone@retrodev.com>
parents:
59
diff
changeset
|
493 case MODE_ABSOLUTE_SHORT: |
571
c90fc522e7e3
Refactor translat_m68k_src and translate_m68k_dst into a single function
Michael Pavone <pavone@retrodev.com>
parents:
570
diff
changeset
|
494 cycles(&opts->gen, op->addr_mode == MODE_ABSOLUTE ? BUS*2 : BUS); |
c90fc522e7e3
Refactor translat_m68k_src and translate_m68k_dst into a single function
Michael Pavone <pavone@retrodev.com>
parents:
570
diff
changeset
|
495 mov_ir(code, op->params.immed, opts->gen.scratch1, SZ_D); |
c90fc522e7e3
Refactor translat_m68k_src and translate_m68k_dst into a single function
Michael Pavone <pavone@retrodev.com>
parents:
570
diff
changeset
|
496 if (dst) { |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
497 push_r(code, opts->gen.scratch1); |
571
c90fc522e7e3
Refactor translat_m68k_src and translate_m68k_dst into a single function
Michael Pavone <pavone@retrodev.com>
parents:
570
diff
changeset
|
498 } |
c90fc522e7e3
Refactor translat_m68k_src and translate_m68k_dst into a single function
Michael Pavone <pavone@retrodev.com>
parents:
570
diff
changeset
|
499 m68k_read_size(opts, inst->extra.size); |
c90fc522e7e3
Refactor translat_m68k_src and translate_m68k_dst into a single function
Michael Pavone <pavone@retrodev.com>
parents:
570
diff
changeset
|
500 if (dst) { |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
501 pop_r(code, opts->gen.scratch2); |
61
918468c623e9
Add support for BTST instruction (untested), absolute addressing mode for instructions other than move (untested) and fix decoding of MOVEM.
Mike Pavone <pavone@retrodev.com>
parents:
59
diff
changeset
|
502 } |
571
c90fc522e7e3
Refactor translat_m68k_src and translate_m68k_dst into a single function
Michael Pavone <pavone@retrodev.com>
parents:
570
diff
changeset
|
503 |
61
918468c623e9
Add support for BTST instruction (untested), absolute addressing mode for instructions other than move (untested) and fix decoding of MOVEM.
Mike Pavone <pavone@retrodev.com>
parents:
59
diff
changeset
|
504 ea->mode = MODE_REG_DIRECT; |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
505 ea->base = opts->gen.scratch1; |
61
918468c623e9
Add support for BTST instruction (untested), absolute addressing mode for instructions other than move (untested) and fix decoding of MOVEM.
Mike Pavone <pavone@retrodev.com>
parents:
59
diff
changeset
|
506 break; |
571
c90fc522e7e3
Refactor translat_m68k_src and translate_m68k_dst into a single function
Michael Pavone <pavone@retrodev.com>
parents:
570
diff
changeset
|
507 case MODE_IMMEDIATE: |
c90fc522e7e3
Refactor translat_m68k_src and translate_m68k_dst into a single function
Michael Pavone <pavone@retrodev.com>
parents:
570
diff
changeset
|
508 case MODE_IMMEDIATE_WORD: |
c90fc522e7e3
Refactor translat_m68k_src and translate_m68k_dst into a single function
Michael Pavone <pavone@retrodev.com>
parents:
570
diff
changeset
|
509 if (inst->variant != VAR_QUICK) { |
c90fc522e7e3
Refactor translat_m68k_src and translate_m68k_dst into a single function
Michael Pavone <pavone@retrodev.com>
parents:
570
diff
changeset
|
510 cycles(&opts->gen, (inst->extra.size == OPSIZE_LONG && op->addr_mode == MODE_IMMEDIATE) ? BUS*2 : BUS); |
c90fc522e7e3
Refactor translat_m68k_src and translate_m68k_dst into a single function
Michael Pavone <pavone@retrodev.com>
parents:
570
diff
changeset
|
511 } |
c90fc522e7e3
Refactor translat_m68k_src and translate_m68k_dst into a single function
Michael Pavone <pavone@retrodev.com>
parents:
570
diff
changeset
|
512 ea->mode = MODE_IMMED; |
c90fc522e7e3
Refactor translat_m68k_src and translate_m68k_dst into a single function
Michael Pavone <pavone@retrodev.com>
parents:
570
diff
changeset
|
513 ea->disp = op->params.immed; |
c90fc522e7e3
Refactor translat_m68k_src and translate_m68k_dst into a single function
Michael Pavone <pavone@retrodev.com>
parents:
570
diff
changeset
|
514 //sign extend value when the destination is an address register |
c90fc522e7e3
Refactor translat_m68k_src and translate_m68k_dst into a single function
Michael Pavone <pavone@retrodev.com>
parents:
570
diff
changeset
|
515 if (inst->dst.addr_mode == MODE_AREG && inst->extra.size == OPSIZE_WORD && ea->disp & 0x8000) { |
c90fc522e7e3
Refactor translat_m68k_src and translate_m68k_dst into a single function
Michael Pavone <pavone@retrodev.com>
parents:
570
diff
changeset
|
516 ea->disp |= 0xFFFF0000; |
c90fc522e7e3
Refactor translat_m68k_src and translate_m68k_dst into a single function
Michael Pavone <pavone@retrodev.com>
parents:
570
diff
changeset
|
517 } |
c90fc522e7e3
Refactor translat_m68k_src and translate_m68k_dst into a single function
Michael Pavone <pavone@retrodev.com>
parents:
570
diff
changeset
|
518 return; |
18
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
519 default: |
151
6b593ea0ed90
Implement MULU/MULS and DIVU/DIVS
Mike Pavone <pavone@retrodev.com>
parents:
150
diff
changeset
|
520 m68k_disasm(inst, disasm_buf); |
571
c90fc522e7e3
Refactor translat_m68k_src and translate_m68k_dst into a single function
Michael Pavone <pavone@retrodev.com>
parents:
570
diff
changeset
|
521 printf("%X: %s\naddress mode %d not implemented (%s)\n", inst->address, disasm_buf, op->addr_mode, dst ? "dst" : "src"); |
18
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
522 exit(1); |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
523 } |
571
c90fc522e7e3
Refactor translat_m68k_src and translate_m68k_dst into a single function
Michael Pavone <pavone@retrodev.com>
parents:
570
diff
changeset
|
524 if (!dst && inst->dst.addr_mode == MODE_AREG && inst->extra.size == OPSIZE_WORD) { |
c90fc522e7e3
Refactor translat_m68k_src and translate_m68k_dst into a single function
Michael Pavone <pavone@retrodev.com>
parents:
570
diff
changeset
|
525 if (ea->mode == MODE_REG_DIRECT) { |
c90fc522e7e3
Refactor translat_m68k_src and translate_m68k_dst into a single function
Michael Pavone <pavone@retrodev.com>
parents:
570
diff
changeset
|
526 movsx_rr(code, ea->base, opts->gen.scratch1, SZ_W, SZ_D); |
c90fc522e7e3
Refactor translat_m68k_src and translate_m68k_dst into a single function
Michael Pavone <pavone@retrodev.com>
parents:
570
diff
changeset
|
527 } else { |
c90fc522e7e3
Refactor translat_m68k_src and translate_m68k_dst into a single function
Michael Pavone <pavone@retrodev.com>
parents:
570
diff
changeset
|
528 movsx_rdispr(code, ea->base, ea->disp, opts->gen.scratch1, SZ_W, SZ_D); |
c90fc522e7e3
Refactor translat_m68k_src and translate_m68k_dst into a single function
Michael Pavone <pavone@retrodev.com>
parents:
570
diff
changeset
|
529 ea->mode = MODE_REG_DIRECT; |
c90fc522e7e3
Refactor translat_m68k_src and translate_m68k_dst into a single function
Michael Pavone <pavone@retrodev.com>
parents:
570
diff
changeset
|
530 } |
c90fc522e7e3
Refactor translat_m68k_src and translate_m68k_dst into a single function
Michael Pavone <pavone@retrodev.com>
parents:
570
diff
changeset
|
531 ea->base = opts->gen.scratch1; |
c90fc522e7e3
Refactor translat_m68k_src and translate_m68k_dst into a single function
Michael Pavone <pavone@retrodev.com>
parents:
570
diff
changeset
|
532 } |
18
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
533 } |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
534 |
569
9b7fcf748be0
Rename x86_68k_options and m68k_to_x86.h to m68k_options and m68k_core.h respectively
Michael Pavone <pavone@retrodev.com>
parents:
567
diff
changeset
|
535 void m68k_save_result(m68kinst * inst, m68k_options * opts) |
18
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
536 { |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
537 code_info *code = &opts->gen.code; |
577
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
538 if (inst->dst.addr_mode != MODE_REG && inst->dst.addr_mode != MODE_AREG && inst->dst.addr_mode != MODE_UNUSED) { |
184
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
183
diff
changeset
|
539 if (inst->dst.addr_mode == MODE_AREG_PREDEC && inst->src.addr_mode == MODE_AREG_PREDEC && inst->op != M68K_MOVE) { |
574
1594525e2157
More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts
Michael Pavone <pavone@retrodev.com>
parents:
571
diff
changeset
|
540 areg_to_native(opts, inst->dst.params.regs.pri, opts->gen.scratch2); |
184
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
183
diff
changeset
|
541 } |
18
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
542 switch (inst->extra.size) |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
543 { |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
544 case OPSIZE_BYTE: |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
545 call(code, opts->write_8); |
18
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
546 break; |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
547 case OPSIZE_WORD: |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
548 call(code, opts->write_16); |
18
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
549 break; |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
550 case OPSIZE_LONG: |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
551 call(code, opts->write_32_lowfirst); |
18
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
552 break; |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
553 } |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
554 } |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
555 } |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
556 |
569
9b7fcf748be0
Rename x86_68k_options and m68k_to_x86.h to m68k_options and m68k_core.h respectively
Michael Pavone <pavone@retrodev.com>
parents:
567
diff
changeset
|
557 void translate_m68k_move(m68k_options * opts, m68kinst * inst) |
18
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
558 { |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
559 code_info *code = &opts->gen.code; |
99
8491de5d6c06
Allow use of indexed modes as move dst
Mike Pavone <pavone@retrodev.com>
parents:
98
diff
changeset
|
560 int8_t reg, flags_reg, sec_reg; |
18
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
561 uint8_t dir = 0; |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
562 int32_t offset; |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
563 int32_t inc_amount, dec_amount; |
582
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
564 host_ea src; |
571
c90fc522e7e3
Refactor translat_m68k_src and translate_m68k_dst into a single function
Michael Pavone <pavone@retrodev.com>
parents:
570
diff
changeset
|
565 translate_m68k_op(inst, &src, opts, 0); |
18
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
566 reg = native_reg(&(inst->dst), opts); |
447
e730fc040169
Fix performance regression from stop instruction work
Mike Pavone <pavone@retrodev.com>
parents:
446
diff
changeset
|
567 |
216
0b5ec22dcda2
Fix some bugs related to sign-extension of address registers and pre-decrement amount for a7 when used as a source.
Mike Pavone <pavone@retrodev.com>
parents:
213
diff
changeset
|
568 if (inst->dst.addr_mode != MODE_AREG) { |
0b5ec22dcda2
Fix some bugs related to sign-extension of address registers and pre-decrement amount for a7 when used as a source.
Mike Pavone <pavone@retrodev.com>
parents:
213
diff
changeset
|
569 if (src.mode == MODE_REG_DIRECT) { |
0b5ec22dcda2
Fix some bugs related to sign-extension of address registers and pre-decrement amount for a7 when used as a source.
Mike Pavone <pavone@retrodev.com>
parents:
213
diff
changeset
|
570 flags_reg = src.base; |
18
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
571 } else { |
216
0b5ec22dcda2
Fix some bugs related to sign-extension of address registers and pre-decrement amount for a7 when used as a source.
Mike Pavone <pavone@retrodev.com>
parents:
213
diff
changeset
|
572 if (reg >= 0) { |
0b5ec22dcda2
Fix some bugs related to sign-extension of address registers and pre-decrement amount for a7 when used as a source.
Mike Pavone <pavone@retrodev.com>
parents:
213
diff
changeset
|
573 flags_reg = reg; |
128
fe598ffd85ce
Cleanup bit instructions and fix bug in translate_m68k_move that caused incorrect results once translate_m68k_src was fixed
Mike Pavone <pavone@retrodev.com>
parents:
126
diff
changeset
|
574 } else { |
216
0b5ec22dcda2
Fix some bugs related to sign-extension of address registers and pre-decrement amount for a7 when used as a source.
Mike Pavone <pavone@retrodev.com>
parents:
213
diff
changeset
|
575 if(src.mode == MODE_REG_DISPLACE8) { |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
576 mov_rdispr(code, src.base, src.disp, opts->gen.scratch1, inst->extra.size); |
216
0b5ec22dcda2
Fix some bugs related to sign-extension of address registers and pre-decrement amount for a7 when used as a source.
Mike Pavone <pavone@retrodev.com>
parents:
213
diff
changeset
|
577 } else { |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
578 mov_ir(code, src.disp, opts->gen.scratch1, inst->extra.size); |
216
0b5ec22dcda2
Fix some bugs related to sign-extension of address registers and pre-decrement amount for a7 when used as a source.
Mike Pavone <pavone@retrodev.com>
parents:
213
diff
changeset
|
579 } |
0b5ec22dcda2
Fix some bugs related to sign-extension of address registers and pre-decrement amount for a7 when used as a source.
Mike Pavone <pavone@retrodev.com>
parents:
213
diff
changeset
|
580 src.mode = MODE_REG_DIRECT; |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
581 flags_reg = src.base = opts->gen.scratch1; |
128
fe598ffd85ce
Cleanup bit instructions and fix bug in translate_m68k_move that caused incorrect results once translate_m68k_src was fixed
Mike Pavone <pavone@retrodev.com>
parents:
126
diff
changeset
|
582 } |
18
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
583 } |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
584 } |
181
3b4ef459aa8d
Fix signed division with negative result, fix address reg destination with word-sized operand, fix cmpm decoding and code generation, fix unbalanced pop in bit instructions
Mike Pavone <pavone@retrodev.com>
parents:
179
diff
changeset
|
585 uint8_t size = inst->extra.size; |
18
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
586 switch(inst->dst.addr_mode) |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
587 { |
181
3b4ef459aa8d
Fix signed division with negative result, fix address reg destination with word-sized operand, fix cmpm decoding and code generation, fix unbalanced pop in bit instructions
Mike Pavone <pavone@retrodev.com>
parents:
179
diff
changeset
|
588 case MODE_AREG: |
3b4ef459aa8d
Fix signed division with negative result, fix address reg destination with word-sized operand, fix cmpm decoding and code generation, fix unbalanced pop in bit instructions
Mike Pavone <pavone@retrodev.com>
parents:
179
diff
changeset
|
589 size = OPSIZE_LONG; |
18
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
590 case MODE_REG: |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
591 if (reg >= 0) { |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
592 if (src.mode == MODE_REG_DIRECT) { |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
593 mov_rr(code, src.base, reg, size); |
18
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
594 } else if (src.mode == MODE_REG_DISPLACE8) { |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
595 mov_rdispr(code, src.base, src.disp, reg, size); |
18
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
596 } else { |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
597 mov_ir(code, src.disp, reg, size); |
18
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
598 } |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
599 } else if(src.mode == MODE_REG_DIRECT) { |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
600 mov_rrdisp(code, src.base, opts->gen.context_reg, reg_offset(&(inst->dst)), size); |
18
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
601 } else { |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
602 mov_irdisp(code, src.disp, opts->gen.context_reg, reg_offset(&(inst->dst)), size); |
18
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
603 } |
14
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
604 break; |
18
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
605 case MODE_AREG_PREDEC: |
182
924af8b2f7a0
Fix -(a7) dest when size is byte
Mike Pavone <pavone@retrodev.com>
parents:
181
diff
changeset
|
606 dec_amount = inst->extra.size == OPSIZE_WORD ? 2 : (inst->extra.size == OPSIZE_LONG ? 4 : (inst->dst.params.regs.pri == 7 ? 2 : 1)); |
14
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
607 case MODE_AREG_INDIRECT: |
18
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
608 case MODE_AREG_POSTINC: |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
609 if (src.mode == MODE_REG_DIRECT) { |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
610 if (src.base != opts->gen.scratch1) { |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
611 mov_rr(code, src.base, opts->gen.scratch1, inst->extra.size); |
18
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
612 } |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
613 } else if (src.mode == MODE_REG_DISPLACE8) { |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
614 mov_rdispr(code, src.base, src.disp, opts->gen.scratch1, inst->extra.size); |
18
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
615 } else { |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
616 mov_ir(code, src.disp, opts->gen.scratch1, inst->extra.size); |
18
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
617 } |
610
314373222b1a
Decrement address register after fetching source in move with -(ax) dest to avoid bug when src is the dst addres reg
Michael Pavone <pavone@retrodev.com>
parents:
605
diff
changeset
|
618 if (inst->dst.addr_mode == MODE_AREG_PREDEC) { |
314373222b1a
Decrement address register after fetching source in move with -(ax) dest to avoid bug when src is the dst addres reg
Michael Pavone <pavone@retrodev.com>
parents:
605
diff
changeset
|
619 subi_areg(opts, dec_amount, inst->dst.params.regs.pri); |
314373222b1a
Decrement address register after fetching source in move with -(ax) dest to avoid bug when src is the dst addres reg
Michael Pavone <pavone@retrodev.com>
parents:
605
diff
changeset
|
620 } |
314373222b1a
Decrement address register after fetching source in move with -(ax) dest to avoid bug when src is the dst addres reg
Michael Pavone <pavone@retrodev.com>
parents:
605
diff
changeset
|
621 areg_to_native(opts, inst->dst.params.regs.pri, opts->gen.scratch2); |
14
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
622 break; |
71
f80fa1776507
Implement more instructions and address modes
Mike Pavone <pavone@retrodev.com>
parents:
70
diff
changeset
|
623 case MODE_AREG_DISPLACE: |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
624 cycles(&opts->gen, BUS); |
574
1594525e2157
More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts
Michael Pavone <pavone@retrodev.com>
parents:
571
diff
changeset
|
625 calc_areg_displace(opts, &inst->dst, opts->gen.scratch2); |
71
f80fa1776507
Implement more instructions and address modes
Mike Pavone <pavone@retrodev.com>
parents:
70
diff
changeset
|
626 if (src.mode == MODE_REG_DIRECT) { |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
627 if (src.base != opts->gen.scratch1) { |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
628 mov_rr(code, src.base, opts->gen.scratch1, inst->extra.size); |
71
f80fa1776507
Implement more instructions and address modes
Mike Pavone <pavone@retrodev.com>
parents:
70
diff
changeset
|
629 } |
f80fa1776507
Implement more instructions and address modes
Mike Pavone <pavone@retrodev.com>
parents:
70
diff
changeset
|
630 } else if (src.mode == MODE_REG_DISPLACE8) { |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
631 mov_rdispr(code, src.base, src.disp, opts->gen.scratch1, inst->extra.size); |
71
f80fa1776507
Implement more instructions and address modes
Mike Pavone <pavone@retrodev.com>
parents:
70
diff
changeset
|
632 } else { |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
633 mov_ir(code, src.disp, opts->gen.scratch1, inst->extra.size); |
71
f80fa1776507
Implement more instructions and address modes
Mike Pavone <pavone@retrodev.com>
parents:
70
diff
changeset
|
634 } |
f80fa1776507
Implement more instructions and address modes
Mike Pavone <pavone@retrodev.com>
parents:
70
diff
changeset
|
635 break; |
99
8491de5d6c06
Allow use of indexed modes as move dst
Mike Pavone <pavone@retrodev.com>
parents:
98
diff
changeset
|
636 case MODE_AREG_INDEX_DISP8: |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
637 cycles(&opts->gen, 6);//TODO: Check to make sure this is correct |
574
1594525e2157
More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts
Michael Pavone <pavone@retrodev.com>
parents:
571
diff
changeset
|
638 //calc_areg_index_disp8 will clober scratch1 when a 16-bit index is used |
1594525e2157
More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts
Michael Pavone <pavone@retrodev.com>
parents:
571
diff
changeset
|
639 if (src.base == opts->gen.scratch1 && !(inst->dst.params.regs.sec & 1)) { |
1594525e2157
More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts
Michael Pavone <pavone@retrodev.com>
parents:
571
diff
changeset
|
640 push_r(code, opts->gen.scratch1); |
99
8491de5d6c06
Allow use of indexed modes as move dst
Mike Pavone <pavone@retrodev.com>
parents:
98
diff
changeset
|
641 } |
574
1594525e2157
More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts
Michael Pavone <pavone@retrodev.com>
parents:
571
diff
changeset
|
642 calc_areg_index_disp8(opts, &inst->dst, opts->gen.scratch2); |
1594525e2157
More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts
Michael Pavone <pavone@retrodev.com>
parents:
571
diff
changeset
|
643 if (src.base == opts->gen.scratch1 && !(inst->dst.params.regs.sec & 1)) { |
1594525e2157
More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts
Michael Pavone <pavone@retrodev.com>
parents:
571
diff
changeset
|
644 pop_r(code, opts->gen.scratch1); |
99
8491de5d6c06
Allow use of indexed modes as move dst
Mike Pavone <pavone@retrodev.com>
parents:
98
diff
changeset
|
645 } |
184
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
183
diff
changeset
|
646 if (src.mode == MODE_REG_DIRECT) { |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
647 if (src.base != opts->gen.scratch1) { |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
648 mov_rr(code, src.base, opts->gen.scratch1, inst->extra.size); |
184
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
183
diff
changeset
|
649 } |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
183
diff
changeset
|
650 } else if (src.mode == MODE_REG_DISPLACE8) { |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
651 mov_rdispr(code, src.base, src.disp, opts->gen.scratch1, inst->extra.size); |
184
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
183
diff
changeset
|
652 } else { |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
653 mov_ir(code, src.disp, opts->gen.scratch1, inst->extra.size); |
184
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
183
diff
changeset
|
654 } |
99
8491de5d6c06
Allow use of indexed modes as move dst
Mike Pavone <pavone@retrodev.com>
parents:
98
diff
changeset
|
655 break; |
71
f80fa1776507
Implement more instructions and address modes
Mike Pavone <pavone@retrodev.com>
parents:
70
diff
changeset
|
656 case MODE_PC_DISPLACE: |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
657 cycles(&opts->gen, BUS); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
658 mov_ir(code, inst->dst.params.regs.displacement + inst->address+2, opts->gen.scratch2, SZ_D); |
71
f80fa1776507
Implement more instructions and address modes
Mike Pavone <pavone@retrodev.com>
parents:
70
diff
changeset
|
659 if (src.mode == MODE_REG_DIRECT) { |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
660 if (src.base != opts->gen.scratch1) { |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
661 mov_rr(code, src.base, opts->gen.scratch1, inst->extra.size); |
71
f80fa1776507
Implement more instructions and address modes
Mike Pavone <pavone@retrodev.com>
parents:
70
diff
changeset
|
662 } |
f80fa1776507
Implement more instructions and address modes
Mike Pavone <pavone@retrodev.com>
parents:
70
diff
changeset
|
663 } else if (src.mode == MODE_REG_DISPLACE8) { |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
664 mov_rdispr(code, src.base, src.disp, opts->gen.scratch1, inst->extra.size); |
71
f80fa1776507
Implement more instructions and address modes
Mike Pavone <pavone@retrodev.com>
parents:
70
diff
changeset
|
665 } else { |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
666 mov_ir(code, src.disp, opts->gen.scratch1, inst->extra.size); |
71
f80fa1776507
Implement more instructions and address modes
Mike Pavone <pavone@retrodev.com>
parents:
70
diff
changeset
|
667 } |
f80fa1776507
Implement more instructions and address modes
Mike Pavone <pavone@retrodev.com>
parents:
70
diff
changeset
|
668 break; |
196
f8955d33486d
Implement pc indexed mode as move dst
Mike Pavone <pavone@retrodev.com>
parents:
194
diff
changeset
|
669 case MODE_PC_INDEX_DISP8: |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
670 cycles(&opts->gen, 6);//TODO: Check to make sure this is correct |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
671 mov_ir(code, inst->address, opts->gen.scratch2, SZ_D); |
574
1594525e2157
More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts
Michael Pavone <pavone@retrodev.com>
parents:
571
diff
changeset
|
672 if (src.base == opts->gen.scratch1 && !(inst->dst.params.regs.sec & 1)) { |
1594525e2157
More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts
Michael Pavone <pavone@retrodev.com>
parents:
571
diff
changeset
|
673 push_r(code, opts->gen.scratch1); |
196
f8955d33486d
Implement pc indexed mode as move dst
Mike Pavone <pavone@retrodev.com>
parents:
194
diff
changeset
|
674 } |
574
1594525e2157
More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts
Michael Pavone <pavone@retrodev.com>
parents:
571
diff
changeset
|
675 calc_index_disp8(opts, &inst->dst, opts->gen.scratch2); |
1594525e2157
More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts
Michael Pavone <pavone@retrodev.com>
parents:
571
diff
changeset
|
676 if (src.base == opts->gen.scratch1 && !(inst->dst.params.regs.sec & 1)) { |
1594525e2157
More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts
Michael Pavone <pavone@retrodev.com>
parents:
571
diff
changeset
|
677 pop_r(code, opts->gen.scratch1); |
196
f8955d33486d
Implement pc indexed mode as move dst
Mike Pavone <pavone@retrodev.com>
parents:
194
diff
changeset
|
678 } |
f8955d33486d
Implement pc indexed mode as move dst
Mike Pavone <pavone@retrodev.com>
parents:
194
diff
changeset
|
679 if (src.mode == MODE_REG_DIRECT) { |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
680 if (src.base != opts->gen.scratch1) { |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
681 mov_rr(code, src.base, opts->gen.scratch1, inst->extra.size); |
196
f8955d33486d
Implement pc indexed mode as move dst
Mike Pavone <pavone@retrodev.com>
parents:
194
diff
changeset
|
682 } |
f8955d33486d
Implement pc indexed mode as move dst
Mike Pavone <pavone@retrodev.com>
parents:
194
diff
changeset
|
683 } else if (src.mode == MODE_REG_DISPLACE8) { |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
684 mov_rdispr(code, src.base, src.disp, opts->gen.scratch1, inst->extra.size); |
196
f8955d33486d
Implement pc indexed mode as move dst
Mike Pavone <pavone@retrodev.com>
parents:
194
diff
changeset
|
685 } else { |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
686 mov_ir(code, src.disp, opts->gen.scratch1, inst->extra.size); |
196
f8955d33486d
Implement pc indexed mode as move dst
Mike Pavone <pavone@retrodev.com>
parents:
194
diff
changeset
|
687 } |
f8955d33486d
Implement pc indexed mode as move dst
Mike Pavone <pavone@retrodev.com>
parents:
194
diff
changeset
|
688 break; |
54
3b79cbcf6846
Get Flavio's color bar demo kind of sort of working
Mike Pavone <pavone@retrodev.com>
parents:
53
diff
changeset
|
689 case MODE_ABSOLUTE: |
3b79cbcf6846
Get Flavio's color bar demo kind of sort of working
Mike Pavone <pavone@retrodev.com>
parents:
53
diff
changeset
|
690 case MODE_ABSOLUTE_SHORT: |
3b79cbcf6846
Get Flavio's color bar demo kind of sort of working
Mike Pavone <pavone@retrodev.com>
parents:
53
diff
changeset
|
691 if (src.mode == MODE_REG_DIRECT) { |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
692 if (src.base != opts->gen.scratch1) { |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
693 mov_rr(code, src.base, opts->gen.scratch1, inst->extra.size); |
54
3b79cbcf6846
Get Flavio's color bar demo kind of sort of working
Mike Pavone <pavone@retrodev.com>
parents:
53
diff
changeset
|
694 } |
3b79cbcf6846
Get Flavio's color bar demo kind of sort of working
Mike Pavone <pavone@retrodev.com>
parents:
53
diff
changeset
|
695 } else if (src.mode == MODE_REG_DISPLACE8) { |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
696 mov_rdispr(code, src.base, src.disp, opts->gen.scratch1, inst->extra.size); |
54
3b79cbcf6846
Get Flavio's color bar demo kind of sort of working
Mike Pavone <pavone@retrodev.com>
parents:
53
diff
changeset
|
697 } else { |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
698 mov_ir(code, src.disp, opts->gen.scratch1, inst->extra.size); |
54
3b79cbcf6846
Get Flavio's color bar demo kind of sort of working
Mike Pavone <pavone@retrodev.com>
parents:
53
diff
changeset
|
699 } |
3b79cbcf6846
Get Flavio's color bar demo kind of sort of working
Mike Pavone <pavone@retrodev.com>
parents:
53
diff
changeset
|
700 if (inst->dst.addr_mode == MODE_ABSOLUTE) { |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
701 cycles(&opts->gen, BUS*2); |
54
3b79cbcf6846
Get Flavio's color bar demo kind of sort of working
Mike Pavone <pavone@retrodev.com>
parents:
53
diff
changeset
|
702 } else { |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
703 cycles(&opts->gen, BUS); |
184
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
183
diff
changeset
|
704 } |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
705 mov_ir(code, inst->dst.params.immed, opts->gen.scratch2, SZ_D); |
54
3b79cbcf6846
Get Flavio's color bar demo kind of sort of working
Mike Pavone <pavone@retrodev.com>
parents:
53
diff
changeset
|
706 break; |
18
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
707 default: |
151
6b593ea0ed90
Implement MULU/MULS and DIVU/DIVS
Mike Pavone <pavone@retrodev.com>
parents:
150
diff
changeset
|
708 m68k_disasm(inst, disasm_buf); |
154
4791c0204410
Small fix for bit instructions
Mike Pavone <pavone@retrodev.com>
parents:
152
diff
changeset
|
709 printf("%X: %s\naddress mode %d not implemented (move dst)\n", inst->address, disasm_buf, inst->dst.addr_mode); |
18
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
710 exit(1); |
14
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
711 } |
18
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
712 |
576
a6f2db4df70d
Small refactor to flag handling in 68K core
Michael Pavone <pavone@retrodev.com>
parents:
574
diff
changeset
|
713 if (inst->dst.addr_mode != MODE_AREG) { |
a6f2db4df70d
Small refactor to flag handling in 68K core
Michael Pavone <pavone@retrodev.com>
parents:
574
diff
changeset
|
714 cmp_ir(code, 0, flags_reg, inst->extra.size); |
a6f2db4df70d
Small refactor to flag handling in 68K core
Michael Pavone <pavone@retrodev.com>
parents:
574
diff
changeset
|
715 update_flags(opts, N|Z|V0|C0); |
a6f2db4df70d
Small refactor to flag handling in 68K core
Michael Pavone <pavone@retrodev.com>
parents:
574
diff
changeset
|
716 } |
a6f2db4df70d
Small refactor to flag handling in 68K core
Michael Pavone <pavone@retrodev.com>
parents:
574
diff
changeset
|
717 if (inst->dst.addr_mode != MODE_REG && inst->dst.addr_mode != MODE_AREG) { |
a6f2db4df70d
Small refactor to flag handling in 68K core
Michael Pavone <pavone@retrodev.com>
parents:
574
diff
changeset
|
718 m68k_write_size(opts, inst->extra.size); |
a6f2db4df70d
Small refactor to flag handling in 68K core
Michael Pavone <pavone@retrodev.com>
parents:
574
diff
changeset
|
719 if (inst->dst.addr_mode == MODE_AREG_POSTINC) { |
a6f2db4df70d
Small refactor to flag handling in 68K core
Michael Pavone <pavone@retrodev.com>
parents:
574
diff
changeset
|
720 inc_amount = inst->extra.size == OPSIZE_WORD ? 2 : (inst->extra.size == OPSIZE_LONG ? 4 : (inst->dst.params.regs.pri == 7 ? 2 : 1)); |
a6f2db4df70d
Small refactor to flag handling in 68K core
Michael Pavone <pavone@retrodev.com>
parents:
574
diff
changeset
|
721 addi_areg(opts, inc_amount, inst->dst.params.regs.pri); |
a6f2db4df70d
Small refactor to flag handling in 68K core
Michael Pavone <pavone@retrodev.com>
parents:
574
diff
changeset
|
722 } |
a6f2db4df70d
Small refactor to flag handling in 68K core
Michael Pavone <pavone@retrodev.com>
parents:
574
diff
changeset
|
723 } |
a6f2db4df70d
Small refactor to flag handling in 68K core
Michael Pavone <pavone@retrodev.com>
parents:
574
diff
changeset
|
724 |
18
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
725 //add cycles for prefetch |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
726 cycles(&opts->gen, BUS); |
18
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
727 } |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
728 |
569
9b7fcf748be0
Rename x86_68k_options and m68k_to_x86.h to m68k_options and m68k_core.h respectively
Michael Pavone <pavone@retrodev.com>
parents:
567
diff
changeset
|
729 void translate_m68k_clr(m68k_options * opts, m68kinst * inst) |
52
f02ba3808757
Implement CLR, minor refactor of register offset calculation in context struct
Mike Pavone <pavone@retrodev.com>
parents:
51
diff
changeset
|
730 { |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
731 code_info *code = &opts->gen.code; |
576
a6f2db4df70d
Small refactor to flag handling in 68K core
Michael Pavone <pavone@retrodev.com>
parents:
574
diff
changeset
|
732 update_flags(opts, N0|V0|C0|Z1); |
92
c3d034e076ee
Fix some bugs in emulation of CLR
Mike Pavone <pavone@retrodev.com>
parents:
87
diff
changeset
|
733 int8_t reg = native_reg(&(inst->dst), opts); |
52
f02ba3808757
Implement CLR, minor refactor of register offset calculation in context struct
Mike Pavone <pavone@retrodev.com>
parents:
51
diff
changeset
|
734 if (reg >= 0) { |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
735 cycles(&opts->gen, (inst->extra.size == OPSIZE_LONG ? 6 : 4)); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
736 xor_rr(code, reg, reg, inst->extra.size); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
737 return; |
52
f02ba3808757
Implement CLR, minor refactor of register offset calculation in context struct
Mike Pavone <pavone@retrodev.com>
parents:
51
diff
changeset
|
738 } |
582
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
739 host_ea dst_op; |
576
a6f2db4df70d
Small refactor to flag handling in 68K core
Michael Pavone <pavone@retrodev.com>
parents:
574
diff
changeset
|
740 //TODO: fix timing |
571
c90fc522e7e3
Refactor translat_m68k_src and translate_m68k_dst into a single function
Michael Pavone <pavone@retrodev.com>
parents:
570
diff
changeset
|
741 translate_m68k_op(inst, &dst_op, opts, 1); |
92
c3d034e076ee
Fix some bugs in emulation of CLR
Mike Pavone <pavone@retrodev.com>
parents:
87
diff
changeset
|
742 if (dst_op.mode == MODE_REG_DIRECT) { |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
743 xor_rr(code, dst_op.base, dst_op.base, inst->extra.size); |
92
c3d034e076ee
Fix some bugs in emulation of CLR
Mike Pavone <pavone@retrodev.com>
parents:
87
diff
changeset
|
744 } else { |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
745 mov_irdisp(code, 0, dst_op.base, dst_op.disp, inst->extra.size); |
52
f02ba3808757
Implement CLR, minor refactor of register offset calculation in context struct
Mike Pavone <pavone@retrodev.com>
parents:
51
diff
changeset
|
746 } |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
747 m68k_save_result(inst, opts); |
52
f02ba3808757
Implement CLR, minor refactor of register offset calculation in context struct
Mike Pavone <pavone@retrodev.com>
parents:
51
diff
changeset
|
748 } |
f02ba3808757
Implement CLR, minor refactor of register offset calculation in context struct
Mike Pavone <pavone@retrodev.com>
parents:
51
diff
changeset
|
749 |
569
9b7fcf748be0
Rename x86_68k_options and m68k_to_x86.h to m68k_options and m68k_core.h respectively
Michael Pavone <pavone@retrodev.com>
parents:
567
diff
changeset
|
750 void translate_m68k_ext(m68k_options * opts, m68kinst * inst) |
93
f63b0e58e2d5
Implement EXT, add some fixes to LINK/UNLK
Mike Pavone <pavone@retrodev.com>
parents:
92
diff
changeset
|
751 { |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
752 code_info *code = &opts->gen.code; |
582
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
753 host_ea dst_op; |
93
f63b0e58e2d5
Implement EXT, add some fixes to LINK/UNLK
Mike Pavone <pavone@retrodev.com>
parents:
92
diff
changeset
|
754 uint8_t dst_size = inst->extra.size; |
f63b0e58e2d5
Implement EXT, add some fixes to LINK/UNLK
Mike Pavone <pavone@retrodev.com>
parents:
92
diff
changeset
|
755 inst->extra.size--; |
571
c90fc522e7e3
Refactor translat_m68k_src and translate_m68k_dst into a single function
Michael Pavone <pavone@retrodev.com>
parents:
570
diff
changeset
|
756 translate_m68k_op(inst, &dst_op, opts, 1); |
93
f63b0e58e2d5
Implement EXT, add some fixes to LINK/UNLK
Mike Pavone <pavone@retrodev.com>
parents:
92
diff
changeset
|
757 if (dst_op.mode == MODE_REG_DIRECT) { |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
758 movsx_rr(code, dst_op.base, dst_op.base, inst->extra.size, dst_size); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
759 cmp_ir(code, 0, dst_op.base, dst_size); |
93
f63b0e58e2d5
Implement EXT, add some fixes to LINK/UNLK
Mike Pavone <pavone@retrodev.com>
parents:
92
diff
changeset
|
760 } else { |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
761 movsx_rdispr(code, dst_op.base, dst_op.disp, opts->gen.scratch1, inst->extra.size, dst_size); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
762 cmp_ir(code, 0, opts->gen.scratch1, dst_size); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
763 mov_rrdisp(code, opts->gen.scratch1, dst_op.base, dst_op.disp, dst_size); |
93
f63b0e58e2d5
Implement EXT, add some fixes to LINK/UNLK
Mike Pavone <pavone@retrodev.com>
parents:
92
diff
changeset
|
764 } |
f63b0e58e2d5
Implement EXT, add some fixes to LINK/UNLK
Mike Pavone <pavone@retrodev.com>
parents:
92
diff
changeset
|
765 inst->extra.size = dst_size; |
576
a6f2db4df70d
Small refactor to flag handling in 68K core
Michael Pavone <pavone@retrodev.com>
parents:
574
diff
changeset
|
766 update_flags(opts, N|V0|C0|Z); |
93
f63b0e58e2d5
Implement EXT, add some fixes to LINK/UNLK
Mike Pavone <pavone@retrodev.com>
parents:
92
diff
changeset
|
767 //M68K EXT only operates on registers so no need for a call to save result here |
f63b0e58e2d5
Implement EXT, add some fixes to LINK/UNLK
Mike Pavone <pavone@retrodev.com>
parents:
92
diff
changeset
|
768 } |
f63b0e58e2d5
Implement EXT, add some fixes to LINK/UNLK
Mike Pavone <pavone@retrodev.com>
parents:
92
diff
changeset
|
769 |
569
9b7fcf748be0
Rename x86_68k_options and m68k_to_x86.h to m68k_options and m68k_core.h respectively
Michael Pavone <pavone@retrodev.com>
parents:
567
diff
changeset
|
770 uint8_t m68k_eval_cond(m68k_options * opts, uint8_t cc) |
18
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
771 { |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
772 uint8_t cond = CC_NZ; |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
773 switch (cc) |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
774 { |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
775 case COND_HIGH: |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
776 cond = CC_Z; |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
777 case COND_LOW_SAME: |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
778 flag_to_reg(opts, FLAG_Z, opts->gen.scratch1); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
779 or_flag_to_reg(opts, FLAG_C, opts->gen.scratch1); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
780 break; |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
781 case COND_CARRY_CLR: |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
782 cond = CC_Z; |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
783 case COND_CARRY_SET: |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
784 check_flag(opts, FLAG_C); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
785 break; |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
786 case COND_NOT_EQ: |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
787 cond = CC_Z; |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
788 case COND_EQ: |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
789 check_flag(opts, FLAG_Z); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
790 break; |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
791 case COND_OVERF_CLR: |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
792 cond = CC_Z; |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
793 case COND_OVERF_SET: |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
794 check_flag(opts, FLAG_V); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
795 break; |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
796 case COND_PLUS: |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
797 cond = CC_Z; |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
798 case COND_MINUS: |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
799 check_flag(opts, FLAG_N); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
800 break; |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
801 case COND_GREATER_EQ: |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
802 cond = CC_Z; |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
803 case COND_LESS: |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
804 cmp_flags(opts, FLAG_N, FLAG_V); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
805 break; |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
806 case COND_GREATER: |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
807 cond = CC_Z; |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
808 case COND_LESS_EQ: |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
809 flag_to_reg(opts, FLAG_V, opts->gen.scratch1); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
810 xor_flag_to_reg(opts, FLAG_N, opts->gen.scratch1); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
811 or_flag_to_reg(opts, FLAG_Z, opts->gen.scratch1); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
812 break; |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
813 } |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
814 return cond; |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
815 } |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
816 |
569
9b7fcf748be0
Rename x86_68k_options and m68k_to_x86.h to m68k_options and m68k_core.h respectively
Michael Pavone <pavone@retrodev.com>
parents:
567
diff
changeset
|
817 void translate_m68k_bcc(m68k_options * opts, m68kinst * inst) |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
818 { |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
819 code_info *code = &opts->gen.code; |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
820 cycles(&opts->gen, 10);//TODO: Adjust this for branch not taken case |
18
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
821 int32_t disp = inst->src.params.immed; |
46
f2aaaf36c875
Add support for dbcc instruction
Mike Pavone <pavone@retrodev.com>
parents:
19
diff
changeset
|
822 uint32_t after = inst->address + 2; |
18
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
823 if (inst->extra.cond == COND_TRUE) { |
574
1594525e2157
More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts
Michael Pavone <pavone@retrodev.com>
parents:
571
diff
changeset
|
824 jump_m68k_abs(opts, after + disp); |
18
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
825 } else { |
574
1594525e2157
More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts
Michael Pavone <pavone@retrodev.com>
parents:
571
diff
changeset
|
826 code_ptr dest_addr = get_native_address(opts->gen.native_code_map, after + disp); |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
827 uint8_t cond = m68k_eval_cond(opts, inst->extra.cond); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
828 if (!dest_addr) { |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
829 opts->gen.deferred = defer_address(opts->gen.deferred, after + disp, code->cur + 2); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
830 //dummy address to be replaced later, make sure it generates a 4-byte displacement |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
831 dest_addr = code->cur + 256; |
18
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
832 } |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
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833 jcc(code, cond, dest_addr); |
18
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834 } |
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|
835 } |
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836 |
569
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837 void translate_m68k_scc(m68k_options * opts, m68kinst * inst) |
112 | 838 { |
567
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839 code_info *code = &opts->gen.code; |
112 | 840 uint8_t cond = inst->extra.cond; |
582
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|
841 host_ea dst_op; |
112 | 842 inst->extra.size = OPSIZE_BYTE; |
571
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Refactor translat_m68k_src and translate_m68k_dst into a single function
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|
843 translate_m68k_op(inst, &dst_op, opts, 1); |
112 | 844 if (cond == COND_TRUE || cond == COND_FALSE) { |
845 if ((inst->dst.addr_mode == MODE_REG || inst->dst.addr_mode == MODE_AREG) && inst->extra.cond == COND_TRUE) { | |
567
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Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
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846 cycles(&opts->gen, 6); |
112 | 847 } else { |
567
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848 cycles(&opts->gen, BUS); |
112 | 849 } |
850 if (dst_op.mode == MODE_REG_DIRECT) { | |
567
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851 mov_ir(code, cond == COND_TRUE ? 0xFF : 0, dst_op.base, SZ_B); |
112 | 852 } else { |
567
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853 mov_irdisp(code, cond == COND_TRUE ? 0xFF : 0, dst_op.base, dst_op.disp, SZ_B); |
112 | 854 } |
855 } else { | |
567
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856 uint8_t cc = m68k_eval_cond(opts, cond); |
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857 check_alloc_code(code, 6*MAX_INST_LEN); |
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858 code_ptr true_off = code->cur + 1; |
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859 jcc(code, cc, code->cur+2); |
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860 cycles(&opts->gen, BUS); |
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861 if (dst_op.mode == MODE_REG_DIRECT) { |
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862 mov_ir(code, 0, dst_op.base, SZ_B); |
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863 } else { |
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864 mov_irdisp(code, 0, dst_op.base, dst_op.disp, SZ_B); |
112 | 865 } |
567
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866 code_ptr end_off = code->cur+1; |
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867 jmp(code, code->cur+2); |
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868 *true_off = code->cur - (true_off+1); |
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869 cycles(&opts->gen, 6); |
179
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Fix scc to set reg to 0xFF rather than 1 when the condition is true
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870 if (dst_op.mode == MODE_REG_DIRECT) { |
567
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871 mov_ir(code, 0xFF, dst_op.base, SZ_B); |
112 | 872 } else { |
567
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873 mov_irdisp(code, 0xFF, dst_op.base, dst_op.disp, SZ_B); |
112 | 874 } |
567
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875 *end_off = code->cur - (end_off+1); |
112 | 876 } |
567
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877 m68k_save_result(inst, opts); |
112 | 878 } |
879 | |
569
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880 void translate_m68k_dbcc(m68k_options * opts, m68kinst * inst) |
46
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881 { |
567
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882 code_info *code = &opts->gen.code; |
46
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883 //best case duration |
567
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884 cycles(&opts->gen, 10); |
558
dc9f178085a0
Use a typedef code_ptr in place of uint8_t * in 68K core to better support host instruction sets with different instruction word sizes. Make x86_68k_options contain a cpu_options so that gen_mem_fun can eventually be shared with the Z80 core.
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885 code_ptr skip_loc = NULL; |
46
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886 //TODO: Check if COND_TRUE technically valid here even though |
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887 //it's basically a slow NOP |
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888 if (inst->extra.cond != COND_FALSE) { |
567
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889 uint8_t cond = m68k_eval_cond(opts, inst->extra.cond); |
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Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
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890 check_alloc_code(code, 6*MAX_INST_LEN); |
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891 skip_loc = code->cur + 1; |
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Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
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892 jcc(code, cond, code->cur + 2); |
46
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893 } |
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894 if (opts->dregs[inst->dst.params.regs.pri] >= 0) { |
567
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895 sub_ir(code, 1, opts->dregs[inst->dst.params.regs.pri], SZ_W); |
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Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
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896 cmp_ir(code, -1, opts->dregs[inst->dst.params.regs.pri], SZ_W); |
46
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897 } else { |
567
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898 sub_irdisp(code, 1, opts->gen.context_reg, offsetof(m68k_context, dregs) + 4 * inst->dst.params.regs.pri, SZ_W); |
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899 cmp_irdisp(code, -1, opts->gen.context_reg, offsetof(m68k_context, dregs) + 4 * inst->dst.params.regs.pri, SZ_W); |
46
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900 } |
567
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901 code_ptr loop_end_loc = code->cur + 1; |
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902 jcc(code, CC_Z, code->cur + 2); |
46
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903 uint32_t after = inst->address + 2; |
574
1594525e2157
More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts
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|
904 jump_m68k_abs(opts, after + inst->src.params.immed); |
567
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905 *loop_end_loc = code->cur - (loop_end_loc+1); |
46
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906 if (skip_loc) { |
567
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907 cycles(&opts->gen, 2); |
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908 *skip_loc = code->cur - (skip_loc+1); |
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909 cycles(&opts->gen, 2); |
46
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910 } else { |
567
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911 cycles(&opts->gen, 4); |
46
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912 } |
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913 } |
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914 |
569
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915 void translate_m68k_movep(m68k_options * opts, m68kinst * inst) |
172 | 916 { |
567
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917 code_info *code = &opts->gen.code; |
172 | 918 int8_t reg; |
567
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919 cycles(&opts->gen, BUS*2); |
172 | 920 if (inst->src.addr_mode == MODE_REG) { |
574
1594525e2157
More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts
Michael Pavone <pavone@retrodev.com>
parents:
571
diff
changeset
|
921 calc_areg_displace(opts, &inst->dst, opts->gen.scratch2); |
172 | 922 reg = native_reg(&(inst->src), opts); |
923 if (inst->extra.size == OPSIZE_LONG) { | |
924 if (reg >= 0) { | |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
925 mov_rr(code, reg, opts->gen.scratch1, SZ_D); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
926 shr_ir(code, 24, opts->gen.scratch1, SZ_D); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
927 push_r(code, opts->gen.scratch2); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
928 call(code, opts->write_8); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
929 pop_r(code, opts->gen.scratch2); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
930 mov_rr(code, reg, opts->gen.scratch1, SZ_D); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
931 shr_ir(code, 16, opts->gen.scratch1, SZ_D); |
447
e730fc040169
Fix performance regression from stop instruction work
Mike Pavone <pavone@retrodev.com>
parents:
446
diff
changeset
|
932 |
172 | 933 } else { |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
934 mov_rdispr(code, opts->gen.context_reg, reg_offset(&(inst->src))+3, opts->gen.scratch1, SZ_B); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
935 push_r(code, opts->gen.scratch2); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
936 call(code, opts->write_8); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
937 pop_r(code, opts->gen.scratch2); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
938 mov_rdispr(code, opts->gen.context_reg, reg_offset(&(inst->src))+2, opts->gen.scratch1, SZ_B); |
172 | 939 } |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
940 add_ir(code, 2, opts->gen.scratch2, SZ_D); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
941 push_r(code, opts->gen.scratch2); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
942 call(code, opts->write_8); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
943 pop_r(code, opts->gen.scratch2); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
944 add_ir(code, 2, opts->gen.scratch2, SZ_D); |
172 | 945 } |
946 if (reg >= 0) { | |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
947 mov_rr(code, reg, opts->gen.scratch1, SZ_W); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
948 shr_ir(code, 8, opts->gen.scratch1, SZ_W); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
949 push_r(code, opts->gen.scratch2); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
950 call(code, opts->write_8); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
951 pop_r(code, opts->gen.scratch2); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
952 mov_rr(code, reg, opts->gen.scratch1, SZ_W); |
172 | 953 } else { |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
954 mov_rdispr(code, opts->gen.context_reg, reg_offset(&(inst->src))+1, opts->gen.scratch1, SZ_B); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
955 push_r(code, opts->gen.scratch2); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
956 call(code, opts->write_8); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
957 pop_r(code, opts->gen.scratch2); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
958 mov_rdispr(code, opts->gen.context_reg, reg_offset(&(inst->src)), opts->gen.scratch1, SZ_B); |
172 | 959 } |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
960 add_ir(code, 2, opts->gen.scratch2, SZ_D); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
961 call(code, opts->write_8); |
172 | 962 } else { |
574
1594525e2157
More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts
Michael Pavone <pavone@retrodev.com>
parents:
571
diff
changeset
|
963 calc_areg_displace(opts, &inst->src, opts->gen.scratch1); |
172 | 964 reg = native_reg(&(inst->dst), opts); |
965 if (inst->extra.size == OPSIZE_LONG) { | |
966 if (reg >= 0) { | |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
967 push_r(code, opts->gen.scratch1); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
968 call(code, opts->read_8); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
969 shl_ir(code, 24, opts->gen.scratch1, SZ_D); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
970 mov_rr(code, opts->gen.scratch1, reg, SZ_D); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
971 pop_r(code, opts->gen.scratch1); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
972 add_ir(code, 2, opts->gen.scratch1, SZ_D); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
973 push_r(code, opts->gen.scratch1); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
974 call(code, opts->read_8); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
975 shl_ir(code, 16, opts->gen.scratch1, SZ_D); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
976 or_rr(code, opts->gen.scratch1, reg, SZ_D); |
172 | 977 } else { |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
978 push_r(code, opts->gen.scratch1); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
979 call(code, opts->read_8); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
980 mov_rrdisp(code, opts->gen.scratch1, opts->gen.context_reg, reg_offset(&(inst->dst))+3, SZ_B); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
981 pop_r(code, opts->gen.scratch1); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
982 add_ir(code, 2, opts->gen.scratch1, SZ_D); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
983 push_r(code, opts->gen.scratch1); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
984 call(code, opts->read_8); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
985 mov_rrdisp(code, opts->gen.scratch1, opts->gen.context_reg, reg_offset(&(inst->dst))+2, SZ_B); |
172 | 986 } |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
987 pop_r(code, opts->gen.scratch1); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
988 add_ir(code, 2, opts->gen.scratch1, SZ_D); |
172 | 989 } |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
990 push_r(code, opts->gen.scratch1); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
991 call(code, opts->read_8); |
172 | 992 if (reg >= 0) { |
447
e730fc040169
Fix performance regression from stop instruction work
Mike Pavone <pavone@retrodev.com>
parents:
446
diff
changeset
|
993 |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
994 shl_ir(code, 8, opts->gen.scratch1, SZ_W); |
8e395210f50f
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995 mov_rr(code, opts->gen.scratch1, reg, SZ_W); |
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996 pop_r(code, opts->gen.scratch1); |
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997 add_ir(code, 2, opts->gen.scratch1, SZ_D); |
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998 call(code, opts->read_8); |
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999 mov_rr(code, opts->gen.scratch1, reg, SZ_B); |
172 | 1000 } else { |
567
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1001 mov_rrdisp(code, opts->gen.scratch1, opts->gen.context_reg, reg_offset(&(inst->dst))+1, SZ_B); |
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1002 pop_r(code, opts->gen.scratch1); |
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1003 add_ir(code, 2, opts->gen.scratch1, SZ_D); |
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1004 call(code, opts->read_8); |
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1005 mov_rrdisp(code, opts->gen.scratch1, opts->gen.context_reg, reg_offset(&(inst->dst)), SZ_B); |
172 | 1006 } |
1007 } | |
1008 } | |
1009 | |
567
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1010 typedef void (*shift_ir_t)(code_info *code, uint8_t val, uint8_t dst, uint8_t size); |
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1011 typedef void (*shift_irdisp_t)(code_info *code, uint8_t val, uint8_t dst_base, int32_t disp, uint8_t size); |
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1012 typedef void (*shift_clr_t)(code_info *code, uint8_t dst, uint8_t size); |
8e395210f50f
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1013 typedef void (*shift_clrdisp_t)(code_info *code, uint8_t dst_base, int32_t disp, uint8_t size); |
51
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1014 |
582
c05fcbfe1b1a
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1015 void translate_shift(m68k_options * opts, m68kinst * inst, host_ea *src_op, host_ea * dst_op, shift_ir_t shift_ir, shift_irdisp_t shift_irdisp, shift_clr_t shift_clr, shift_clrdisp_t shift_clrdisp, shift_ir_t special, shift_irdisp_t special_disp) |
51
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1016 { |
567
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1017 code_info *code = &opts->gen.code; |
558
dc9f178085a0
Use a typedef code_ptr in place of uint8_t * in 68K core to better support host instruction sets with different instruction word sizes. Make x86_68k_options contain a cpu_options so that gen_mem_fun can eventually be shared with the Z80 core.
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1018 code_ptr end_off = NULL; |
dc9f178085a0
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1019 code_ptr nz_off = NULL; |
dc9f178085a0
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1020 code_ptr z_off = NULL; |
51
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1021 if (inst->src.addr_mode == MODE_UNUSED) { |
567
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1022 cycles(&opts->gen, BUS); |
51
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1023 //Memory shift |
567
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1024 shift_ir(code, 1, dst_op->base, SZ_W); |
51
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1025 } else { |
567
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Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
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1026 cycles(&opts->gen, inst->extra.size == OPSIZE_LONG ? 8 : 6); |
51
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1027 if (src_op->mode == MODE_IMMED) { |
207 | 1028 if (src_op->disp != 1 && inst->op == M68K_ASL) { |
567
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1029 set_flag(opts, 0, FLAG_V); |
207 | 1030 for (int i = 0; i < src_op->disp; i++) { |
1031 if (dst_op->mode == MODE_REG_DIRECT) { | |
567
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1032 shift_ir(code, 1, dst_op->base, inst->extra.size); |
207 | 1033 } else { |
567
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1034 shift_irdisp(code, 1, dst_op->base, dst_op->disp, inst->extra.size); |
207 | 1035 } |
567
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1036 check_alloc_code(code, 2*MAX_INST_LEN); |
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1037 code_ptr after_flag_set = code->cur + 1; |
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1038 jcc(code, CC_NO, code->cur + 2); |
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1039 set_flag(opts, 1, FLAG_V); |
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1040 *after_flag_set = code->cur - (after_flag_set+1); |
207 | 1041 } |
51
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1042 } else { |
207 | 1043 if (dst_op->mode == MODE_REG_DIRECT) { |
567
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1044 shift_ir(code, src_op->disp, dst_op->base, inst->extra.size); |
207 | 1045 } else { |
567
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1046 shift_irdisp(code, src_op->disp, dst_op->base, dst_op->disp, inst->extra.size); |
207 | 1047 } |
567
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1048 set_flag_cond(opts, CC_O, FLAG_V); |
51
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1049 } |
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1050 } else { |
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1051 if (src_op->base != RCX) { |
937b47c9b79b
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1052 if (src_op->mode == MODE_REG_DIRECT) { |
567
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Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
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1053 mov_rr(code, src_op->base, RCX, SZ_B); |
51
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1054 } else { |
567
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1055 mov_rdispr(code, src_op->base, src_op->disp, RCX, SZ_B); |
51
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Implement shift instructions (asl, lsl, asr, lsr). Add flags to register printout. Fix minor bug in shift/rotate instruction decoding.
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1056 } |
447
e730fc040169
Fix performance regression from stop instruction work
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446
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|
1057 |
51
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Implement shift instructions (asl, lsl, asr, lsr). Add flags to register printout. Fix minor bug in shift/rotate instruction decoding.
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1058 } |
567
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1059 and_ir(code, 63, RCX, SZ_D); |
8e395210f50f
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1060 check_alloc_code(code, 7*MAX_INST_LEN); |
8e395210f50f
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1061 nz_off = code->cur + 1; |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
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1062 jcc(code, CC_NZ, code->cur + 2); |
207 | 1063 //Flag behavior for shift count of 0 is different for x86 than 68K |
1064 if (dst_op->mode == MODE_REG_DIRECT) { | |
567
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1065 cmp_ir(code, 0, dst_op->base, inst->extra.size); |
207 | 1066 } else { |
567
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Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
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1067 cmp_irdisp(code, 0, dst_op->base, dst_op->disp, inst->extra.size); |
207 | 1068 } |
567
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1069 set_flag_cond(opts, CC_Z, FLAG_Z); |
8e395210f50f
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1070 set_flag_cond(opts, CC_S, FLAG_N); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
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1071 set_flag(opts, 0, FLAG_C); |
207 | 1072 //For other instructions, this flag will be set below |
1073 if (inst->op == M68K_ASL) { | |
567
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Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
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changeset
|
1074 set_flag(opts, 0, FLAG_V); |
207 | 1075 } |
567
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Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
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1076 z_off = code->cur + 1; |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
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1077 jmp(code, code->cur + 2); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
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diff
changeset
|
1078 *nz_off = code->cur - (nz_off + 1); |
51
937b47c9b79b
Implement shift instructions (asl, lsl, asr, lsr). Add flags to register printout. Fix minor bug in shift/rotate instruction decoding.
Mike Pavone <pavone@retrodev.com>
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diff
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|
1079 //add 2 cycles for every bit shifted |
567
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Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
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1080 add_rr(code, RCX, CYCLES, SZ_D); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
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1081 add_rr(code, RCX, CYCLES, SZ_D); |
207 | 1082 if (inst->op == M68K_ASL) { |
1083 //ASL has Overflow flag behavior that depends on all of the bits shifted through the MSB | |
1084 //Easiest way to deal with this is to shift one bit at a time | |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
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changeset
|
1085 set_flag(opts, 0, FLAG_V); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
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diff
changeset
|
1086 check_alloc_code(code, 5*MAX_INST_LEN); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
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changeset
|
1087 code_ptr loop_start = code->cur; |
51
937b47c9b79b
Implement shift instructions (asl, lsl, asr, lsr). Add flags to register printout. Fix minor bug in shift/rotate instruction decoding.
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diff
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1088 if (dst_op->mode == MODE_REG_DIRECT) { |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
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changeset
|
1089 shift_ir(code, 1, dst_op->base, inst->extra.size); |
51
937b47c9b79b
Implement shift instructions (asl, lsl, asr, lsr). Add flags to register printout. Fix minor bug in shift/rotate instruction decoding.
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diff
changeset
|
1090 } else { |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
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changeset
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1091 shift_irdisp(code, 1, dst_op->base, dst_op->disp, inst->extra.size); |
51
937b47c9b79b
Implement shift instructions (asl, lsl, asr, lsr). Add flags to register printout. Fix minor bug in shift/rotate instruction decoding.
Mike Pavone <pavone@retrodev.com>
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diff
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|
1092 } |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
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changeset
|
1093 code_ptr after_flag_set = code->cur + 1; |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
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|
1094 jcc(code, CC_NO, code->cur + 2); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
1095 set_flag(opts, 1, FLAG_V); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
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|
1096 *after_flag_set = code->cur - (after_flag_set+1); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
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|
1097 loop(code, loop_start); |
207 | 1098 } else { |
1099 //x86 shifts modulo 32 for operand sizes less than 64-bits | |
1100 //but M68K shifts modulo 64, so we need to check for large shifts here | |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
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1101 cmp_ir(code, 32, RCX, SZ_B); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
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|
1102 check_alloc_code(code, 14*MAX_INST_LEN); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
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|
1103 code_ptr norm_shift_off = code->cur + 1; |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
1104 jcc(code, CC_L, code->cur + 2); |
207 | 1105 if (special) { |
558
dc9f178085a0
Use a typedef code_ptr in place of uint8_t * in 68K core to better support host instruction sets with different instruction word sizes. Make x86_68k_options contain a cpu_options so that gen_mem_fun can eventually be shared with the Z80 core.
Mike Pavone <pavone@retrodev.com>
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|
1106 code_ptr after_flag_set = NULL; |
207 | 1107 if (inst->extra.size == OPSIZE_LONG) { |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
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558
diff
changeset
|
1108 code_ptr neq_32_off = code->cur + 1; |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
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changeset
|
1109 jcc(code, CC_NZ, code->cur + 2); |
447
e730fc040169
Fix performance regression from stop instruction work
Mike Pavone <pavone@retrodev.com>
parents:
446
diff
changeset
|
1110 |
207 | 1111 //set the carry bit to the lsb |
1112 if (dst_op->mode == MODE_REG_DIRECT) { | |
567
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Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
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diff
changeset
|
1113 special(code, 1, dst_op->base, SZ_D); |
207 | 1114 } else { |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
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558
diff
changeset
|
1115 special_disp(code, 1, dst_op->base, dst_op->disp, SZ_D); |
207 | 1116 } |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
1117 set_flag_cond(opts, CC_C, FLAG_C); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
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558
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changeset
|
1118 after_flag_set = code->cur + 1; |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
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changeset
|
1119 jmp(code, code->cur + 2); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
1120 *neq_32_off = code->cur - (neq_32_off+1); |
207 | 1121 } |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
1122 set_flag(opts, 0, FLAG_C); |
546
90aca661542b
Make references to flags in the M68K core respect the flag_regs options array so that flags can be moved out of registers for the 32-bit port. set/get ccr/sr still need to be updated to support this, but everything else should be done.
Michael Pavone <pavone@retrodev.com>
parents:
545
diff
changeset
|
1123 if (after_flag_set) { |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
1124 *after_flag_set = code->cur - (after_flag_set+1); |
546
90aca661542b
Make references to flags in the M68K core respect the flag_regs options array so that flags can be moved out of registers for the 32-bit port. set/get ccr/sr still need to be updated to support this, but everything else should be done.
Michael Pavone <pavone@retrodev.com>
parents:
545
diff
changeset
|
1125 } |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
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changeset
|
1126 set_flag(opts, 1, FLAG_Z); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
1127 set_flag(opts, 0, FLAG_N); |
207 | 1128 if (dst_op->mode == MODE_REG_DIRECT) { |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
1129 xor_rr(code, dst_op->base, dst_op->base, inst->extra.size); |
207 | 1130 } else { |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
1131 mov_irdisp(code, 0, dst_op->base, dst_op->disp, inst->extra.size); |
207 | 1132 } |
1133 } else { | |
1134 if (dst_op->mode == MODE_REG_DIRECT) { | |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
1135 shift_ir(code, 31, dst_op->base, inst->extra.size); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
1136 shift_ir(code, 1, dst_op->base, inst->extra.size); |
207 | 1137 } else { |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
1138 shift_irdisp(code, 31, dst_op->base, dst_op->disp, inst->extra.size); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
1139 shift_irdisp(code, 1, dst_op->base, dst_op->disp, inst->extra.size); |
207 | 1140 } |
447
e730fc040169
Fix performance regression from stop instruction work
Mike Pavone <pavone@retrodev.com>
parents:
446
diff
changeset
|
1141 |
207 | 1142 } |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
1143 end_off = code->cur + 1; |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
1144 jmp(code, code->cur + 2); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
1145 *norm_shift_off = code->cur - (norm_shift_off+1); |
207 | 1146 if (dst_op->mode == MODE_REG_DIRECT) { |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
1147 shift_clr(code, dst_op->base, inst->extra.size); |
207 | 1148 } else { |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
1149 shift_clrdisp(code, dst_op->base, dst_op->disp, inst->extra.size); |
207 | 1150 } |
51
937b47c9b79b
Implement shift instructions (asl, lsl, asr, lsr). Add flags to register printout. Fix minor bug in shift/rotate instruction decoding.
Mike Pavone <pavone@retrodev.com>
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49
diff
changeset
|
1151 } |
937b47c9b79b
Implement shift instructions (asl, lsl, asr, lsr). Add flags to register printout. Fix minor bug in shift/rotate instruction decoding.
Mike Pavone <pavone@retrodev.com>
parents:
49
diff
changeset
|
1152 } |
447
e730fc040169
Fix performance regression from stop instruction work
Mike Pavone <pavone@retrodev.com>
parents:
446
diff
changeset
|
1153 |
51
937b47c9b79b
Implement shift instructions (asl, lsl, asr, lsr). Add flags to register printout. Fix minor bug in shift/rotate instruction decoding.
Mike Pavone <pavone@retrodev.com>
parents:
49
diff
changeset
|
1154 } |
937b47c9b79b
Implement shift instructions (asl, lsl, asr, lsr). Add flags to register printout. Fix minor bug in shift/rotate instruction decoding.
Mike Pavone <pavone@retrodev.com>
parents:
49
diff
changeset
|
1155 if (!special && end_off) { |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
1156 *end_off = code->cur - (end_off + 1); |
51
937b47c9b79b
Implement shift instructions (asl, lsl, asr, lsr). Add flags to register printout. Fix minor bug in shift/rotate instruction decoding.
Mike Pavone <pavone@retrodev.com>
parents:
49
diff
changeset
|
1157 } |
583
819921b76b4b
Use update_flags instead of individual set_flag calls in a few places
Michael Pavone <pavone@retrodev.com>
parents:
582
diff
changeset
|
1158 update_flags(opts, C|Z|N); |
51
937b47c9b79b
Implement shift instructions (asl, lsl, asr, lsr). Add flags to register printout. Fix minor bug in shift/rotate instruction decoding.
Mike Pavone <pavone@retrodev.com>
parents:
49
diff
changeset
|
1159 if (special && end_off) { |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
1160 *end_off = code->cur - (end_off + 1); |
51
937b47c9b79b
Implement shift instructions (asl, lsl, asr, lsr). Add flags to register printout. Fix minor bug in shift/rotate instruction decoding.
Mike Pavone <pavone@retrodev.com>
parents:
49
diff
changeset
|
1161 } |
937b47c9b79b
Implement shift instructions (asl, lsl, asr, lsr). Add flags to register printout. Fix minor bug in shift/rotate instruction decoding.
Mike Pavone <pavone@retrodev.com>
parents:
49
diff
changeset
|
1162 //set X flag to same as C flag |
546
90aca661542b
Make references to flags in the M68K core respect the flag_regs options array so that flags can be moved out of registers for the 32-bit port. set/get ccr/sr still need to be updated to support this, but everything else should be done.
Michael Pavone <pavone@retrodev.com>
parents:
545
diff
changeset
|
1163 if (opts->flag_regs[FLAG_C] >= 0) { |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
1164 flag_to_flag(opts, FLAG_C, FLAG_X); |
546
90aca661542b
Make references to flags in the M68K core respect the flag_regs options array so that flags can be moved out of registers for the 32-bit port. set/get ccr/sr still need to be updated to support this, but everything else should be done.
Michael Pavone <pavone@retrodev.com>
parents:
545
diff
changeset
|
1165 } else { |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
1166 set_flag_cond(opts, CC_C, FLAG_X); |
546
90aca661542b
Make references to flags in the M68K core respect the flag_regs options array so that flags can be moved out of registers for the 32-bit port. set/get ccr/sr still need to be updated to support this, but everything else should be done.
Michael Pavone <pavone@retrodev.com>
parents:
545
diff
changeset
|
1167 } |
207 | 1168 if (z_off) { |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
1169 *z_off = code->cur - (z_off + 1); |
207 | 1170 } |
219
8d3c16071559
Fix overflow flag behavior for lsl/lsr/asr
Mike Pavone <pavone@retrodev.com>
parents:
218
diff
changeset
|
1171 if (inst->op != M68K_ASL) { |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
1172 set_flag(opts, 0, FLAG_V); |
207 | 1173 } |
51
937b47c9b79b
Implement shift instructions (asl, lsl, asr, lsr). Add flags to register printout. Fix minor bug in shift/rotate instruction decoding.
Mike Pavone <pavone@retrodev.com>
parents:
49
diff
changeset
|
1174 if (inst->src.addr_mode == MODE_UNUSED) { |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
1175 m68k_save_result(inst, opts); |
51
937b47c9b79b
Implement shift instructions (asl, lsl, asr, lsr). Add flags to register printout. Fix minor bug in shift/rotate instruction decoding.
Mike Pavone <pavone@retrodev.com>
parents:
49
diff
changeset
|
1176 } |
937b47c9b79b
Implement shift instructions (asl, lsl, asr, lsr). Add flags to register printout. Fix minor bug in shift/rotate instruction decoding.
Mike Pavone <pavone@retrodev.com>
parents:
49
diff
changeset
|
1177 } |
937b47c9b79b
Implement shift instructions (asl, lsl, asr, lsr). Add flags to register printout. Fix minor bug in shift/rotate instruction decoding.
Mike Pavone <pavone@retrodev.com>
parents:
49
diff
changeset
|
1178 |
577
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1179 void op_ir(code_info *code, m68kinst *inst, int32_t val, uint8_t dst, uint8_t size) |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1180 { |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1181 switch (inst->op) |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1182 { |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1183 case M68K_ADD: add_ir(code, val, dst, size); break; |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1184 case M68K_ADDX: adc_ir(code, val, dst, size); break; |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1185 case M68K_AND: and_ir(code, val, dst, size); break; |
581
9f40aa5243c2
Combine implementations of lea and pea. Update bit instructions to use the op_ family of functions to simplify their implementation a bit.
Michael Pavone <pavone@retrodev.com>
parents:
580
diff
changeset
|
1186 case M68K_BTST: bt_ir(code, val, dst, size); break; |
9f40aa5243c2
Combine implementations of lea and pea. Update bit instructions to use the op_ family of functions to simplify their implementation a bit.
Michael Pavone <pavone@retrodev.com>
parents:
580
diff
changeset
|
1187 case M68K_BSET: bts_ir(code, val, dst, size); break; |
9f40aa5243c2
Combine implementations of lea and pea. Update bit instructions to use the op_ family of functions to simplify their implementation a bit.
Michael Pavone <pavone@retrodev.com>
parents:
580
diff
changeset
|
1188 case M68K_BCLR: btr_ir(code, val, dst, size); break; |
9f40aa5243c2
Combine implementations of lea and pea. Update bit instructions to use the op_ family of functions to simplify their implementation a bit.
Michael Pavone <pavone@retrodev.com>
parents:
580
diff
changeset
|
1189 case M68K_BCHG: btc_ir(code, val, dst, size); break; |
582
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1190 case M68K_CMP: cmp_ir(code, val, dst, size); break; |
577
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1191 case M68K_EOR: xor_ir(code, val, dst, size); break; |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1192 case M68K_OR: or_ir(code, val, dst, size); break; |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1193 case M68K_ROL: rol_ir(code, val, dst, size); break; |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1194 case M68K_ROR: ror_ir(code, val, dst, size); break; |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1195 case M68K_ROXL: rcl_ir(code, val, dst, size); break; |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1196 case M68K_ROXR: rcr_ir(code, val, dst, size); break; |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1197 case M68K_SUB: sub_ir(code, val, dst, size); break; |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1198 case M68K_SUBX: sbb_ir(code, val, dst, size); break; |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1199 } |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1200 } |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1201 |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1202 void op_irdisp(code_info *code, m68kinst *inst, int32_t val, uint8_t dst, int32_t disp, uint8_t size) |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1203 { |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1204 switch (inst->op) |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1205 { |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1206 case M68K_ADD: add_irdisp(code, val, dst, disp, size); break; |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1207 case M68K_ADDX: adc_irdisp(code, val, dst, disp, size); break; |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1208 case M68K_AND: and_irdisp(code, val, dst, disp, size); break; |
581
9f40aa5243c2
Combine implementations of lea and pea. Update bit instructions to use the op_ family of functions to simplify their implementation a bit.
Michael Pavone <pavone@retrodev.com>
parents:
580
diff
changeset
|
1209 case M68K_BTST: bt_irdisp(code, val, dst, disp, size); break; |
9f40aa5243c2
Combine implementations of lea and pea. Update bit instructions to use the op_ family of functions to simplify their implementation a bit.
Michael Pavone <pavone@retrodev.com>
parents:
580
diff
changeset
|
1210 case M68K_BSET: bts_irdisp(code, val, dst, disp, size); break; |
9f40aa5243c2
Combine implementations of lea and pea. Update bit instructions to use the op_ family of functions to simplify their implementation a bit.
Michael Pavone <pavone@retrodev.com>
parents:
580
diff
changeset
|
1211 case M68K_BCLR: btr_irdisp(code, val, dst, disp, size); break; |
9f40aa5243c2
Combine implementations of lea and pea. Update bit instructions to use the op_ family of functions to simplify their implementation a bit.
Michael Pavone <pavone@retrodev.com>
parents:
580
diff
changeset
|
1212 case M68K_BCHG: btc_irdisp(code, val, dst, disp, size); break; |
582
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1213 case M68K_CMP: cmp_irdisp(code, val, dst, disp, size); break; |
577
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1214 case M68K_EOR: xor_irdisp(code, val, dst, disp, size); break; |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1215 case M68K_OR: or_irdisp(code, val, dst, disp, size); break; |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1216 case M68K_ROL: rol_irdisp(code, val, dst, disp, size); break; |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1217 case M68K_ROR: ror_irdisp(code, val, dst, disp, size); break; |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1218 case M68K_ROXL: rcl_irdisp(code, val, dst, disp, size); break; |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1219 case M68K_ROXR: rcr_irdisp(code, val, dst, disp, size); break; |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1220 case M68K_SUB: sub_irdisp(code, val, dst, disp, size); break; |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1221 case M68K_SUBX: sbb_irdisp(code, val, dst, disp, size); break; |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1222 } |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1223 } |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1224 |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1225 void op_rr(code_info *code, m68kinst *inst, uint8_t src, uint8_t dst, uint8_t size) |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1226 { |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1227 switch (inst->op) |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1228 { |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1229 case M68K_ADD: add_rr(code, src, dst, size); break; |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1230 case M68K_ADDX: adc_rr(code, src, dst, size); break; |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1231 case M68K_AND: and_rr(code, src, dst, size); break; |
581
9f40aa5243c2
Combine implementations of lea and pea. Update bit instructions to use the op_ family of functions to simplify their implementation a bit.
Michael Pavone <pavone@retrodev.com>
parents:
580
diff
changeset
|
1232 case M68K_BTST: bt_rr(code, src, dst, size); break; |
9f40aa5243c2
Combine implementations of lea and pea. Update bit instructions to use the op_ family of functions to simplify their implementation a bit.
Michael Pavone <pavone@retrodev.com>
parents:
580
diff
changeset
|
1233 case M68K_BSET: bts_rr(code, src, dst, size); break; |
9f40aa5243c2
Combine implementations of lea and pea. Update bit instructions to use the op_ family of functions to simplify their implementation a bit.
Michael Pavone <pavone@retrodev.com>
parents:
580
diff
changeset
|
1234 case M68K_BCLR: btr_rr(code, src, dst, size); break; |
9f40aa5243c2
Combine implementations of lea and pea. Update bit instructions to use the op_ family of functions to simplify their implementation a bit.
Michael Pavone <pavone@retrodev.com>
parents:
580
diff
changeset
|
1235 case M68K_BCHG: btc_rr(code, src, dst, size); break; |
582
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1236 case M68K_CMP: cmp_rr(code, src, dst, size); break; |
577
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1237 case M68K_EOR: xor_rr(code, src, dst, size); break; |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1238 case M68K_OR: or_rr(code, src, dst, size); break; |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1239 case M68K_SUB: sub_rr(code, src, dst, size); break; |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1240 case M68K_SUBX: sbb_rr(code, src, dst, size); break; |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1241 } |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1242 } |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1243 |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1244 void op_rrdisp(code_info *code, m68kinst *inst, uint8_t src, uint8_t dst, int32_t disp, uint8_t size) |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1245 { |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1246 switch (inst->op) |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1247 { |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1248 case M68K_ADD: add_rrdisp(code, src, dst, disp, size); break; |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1249 case M68K_ADDX: adc_rrdisp(code, src, dst, disp, size); break; |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1250 case M68K_AND: and_rrdisp(code, src, dst, disp, size); break; |
581
9f40aa5243c2
Combine implementations of lea and pea. Update bit instructions to use the op_ family of functions to simplify their implementation a bit.
Michael Pavone <pavone@retrodev.com>
parents:
580
diff
changeset
|
1251 case M68K_BTST: bt_rrdisp(code, src, dst, disp, size); break; |
9f40aa5243c2
Combine implementations of lea and pea. Update bit instructions to use the op_ family of functions to simplify their implementation a bit.
Michael Pavone <pavone@retrodev.com>
parents:
580
diff
changeset
|
1252 case M68K_BSET: bts_rrdisp(code, src, dst, disp, size); break; |
9f40aa5243c2
Combine implementations of lea and pea. Update bit instructions to use the op_ family of functions to simplify their implementation a bit.
Michael Pavone <pavone@retrodev.com>
parents:
580
diff
changeset
|
1253 case M68K_BCLR: btr_rrdisp(code, src, dst, disp, size); break; |
9f40aa5243c2
Combine implementations of lea and pea. Update bit instructions to use the op_ family of functions to simplify their implementation a bit.
Michael Pavone <pavone@retrodev.com>
parents:
580
diff
changeset
|
1254 case M68K_BCHG: btc_rrdisp(code, src, dst, disp, size); break; |
582
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1255 case M68K_CMP: cmp_rrdisp(code, src, dst, disp, size); break; |
577
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1256 case M68K_EOR: xor_rrdisp(code, src, dst, disp, size); break; |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1257 case M68K_OR: or_rrdisp(code, src, dst, disp, size); break; |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1258 case M68K_SUB: sub_rrdisp(code, src, dst, disp, size); break; |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1259 case M68K_SUBX: sbb_rrdisp(code, src, dst, disp, size); break; |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1260 } |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1261 } |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1262 |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1263 void op_rdispr(code_info *code, m68kinst *inst, uint8_t src, int32_t disp, uint8_t dst, uint8_t size) |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1264 { |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1265 switch (inst->op) |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1266 { |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1267 case M68K_ADD: add_rdispr(code, src, disp, dst, size); break; |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1268 case M68K_ADDX: adc_rdispr(code, src, disp, dst, size); break; |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1269 case M68K_AND: and_rdispr(code, src, disp, dst, size); break; |
582
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1270 case M68K_CMP: cmp_rdispr(code, src, disp, dst, size); break; |
577
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1271 case M68K_EOR: xor_rdispr(code, src, disp, dst, size); break; |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1272 case M68K_OR: or_rdispr(code, src, disp, dst, size); break; |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1273 case M68K_SUB: sub_rdispr(code, src, disp, dst, size); break; |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1274 case M68K_SUBX: sbb_rdispr(code, src, disp, dst, size); break; |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1275 } |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1276 } |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1277 |
582
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1278 void translate_m68k_arith(m68k_options *opts, m68kinst * inst, uint32_t flag_mask, host_ea *src_op, host_ea *dst_op) |
577
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1279 { |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1280 code_info *code = &opts->gen.code; |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1281 cycles(&opts->gen, BUS); |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1282 if (inst->op == M68K_ADDX || inst->op == M68K_SUBX) { |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1283 flag_to_carry(opts, FLAG_X); |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1284 } |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1285 uint8_t size = inst->dst.addr_mode == MODE_AREG ? OPSIZE_LONG : inst->extra.size; |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1286 if (src_op->mode == MODE_REG_DIRECT) { |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1287 if (dst_op->mode == MODE_REG_DIRECT) { |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1288 op_rr(code, inst, src_op->base, dst_op->base, size); |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1289 } else { |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1290 op_rrdisp(code, inst, src_op->base, dst_op->base, dst_op->disp, size); |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1291 } |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1292 } else if (src_op->mode == MODE_REG_DISPLACE8) { |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1293 op_rdispr(code, inst, src_op->base, src_op->disp, dst_op->base, size); |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1294 } else { |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1295 if (dst_op->mode == MODE_REG_DIRECT) { |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1296 op_ir(code, inst, src_op->disp, dst_op->base, size); |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1297 } else { |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1298 op_irdisp(code, inst, src_op->disp, dst_op->base, dst_op->disp, size); |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1299 } |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1300 } |
580
5157bc966c1a
Refactor translate_m68k_cmp to use translate_m68k_arith
Michael Pavone <pavone@retrodev.com>
parents:
579
diff
changeset
|
1301 if (inst->dst.addr_mode != MODE_AREG || inst->op == M68K_CMP) { |
577
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1302 update_flags(opts, flag_mask); |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1303 if (inst->op == M68K_ADDX || inst->op == M68K_SUBX) { |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1304 check_alloc_code(code, 2*MAX_INST_LEN); |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1305 code_ptr after_flag_set = code->cur + 1; |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1306 jcc(code, CC_Z, code->cur + 2); |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1307 set_flag(opts, 0, FLAG_Z); |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1308 *after_flag_set = code->cur - (after_flag_set+1); |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1309 } |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1310 } |
580
5157bc966c1a
Refactor translate_m68k_cmp to use translate_m68k_arith
Michael Pavone <pavone@retrodev.com>
parents:
579
diff
changeset
|
1311 if (inst->op != M68K_CMP) { |
5157bc966c1a
Refactor translate_m68k_cmp to use translate_m68k_arith
Michael Pavone <pavone@retrodev.com>
parents:
579
diff
changeset
|
1312 m68k_save_result(inst, opts); |
5157bc966c1a
Refactor translate_m68k_cmp to use translate_m68k_arith
Michael Pavone <pavone@retrodev.com>
parents:
579
diff
changeset
|
1313 } |
5157bc966c1a
Refactor translate_m68k_cmp to use translate_m68k_arith
Michael Pavone <pavone@retrodev.com>
parents:
579
diff
changeset
|
1314 } |
5157bc966c1a
Refactor translate_m68k_cmp to use translate_m68k_arith
Michael Pavone <pavone@retrodev.com>
parents:
579
diff
changeset
|
1315 |
5157bc966c1a
Refactor translate_m68k_cmp to use translate_m68k_arith
Michael Pavone <pavone@retrodev.com>
parents:
579
diff
changeset
|
1316 void translate_m68k_cmp(m68k_options * opts, m68kinst * inst) |
5157bc966c1a
Refactor translate_m68k_cmp to use translate_m68k_arith
Michael Pavone <pavone@retrodev.com>
parents:
579
diff
changeset
|
1317 { |
5157bc966c1a
Refactor translate_m68k_cmp to use translate_m68k_arith
Michael Pavone <pavone@retrodev.com>
parents:
579
diff
changeset
|
1318 code_info *code = &opts->gen.code; |
5157bc966c1a
Refactor translate_m68k_cmp to use translate_m68k_arith
Michael Pavone <pavone@retrodev.com>
parents:
579
diff
changeset
|
1319 uint8_t size = inst->extra.size; |
582
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1320 host_ea src_op, dst_op; |
580
5157bc966c1a
Refactor translate_m68k_cmp to use translate_m68k_arith
Michael Pavone <pavone@retrodev.com>
parents:
579
diff
changeset
|
1321 translate_m68k_op(inst, &src_op, opts, 0); |
5157bc966c1a
Refactor translate_m68k_cmp to use translate_m68k_arith
Michael Pavone <pavone@retrodev.com>
parents:
579
diff
changeset
|
1322 if (inst->dst.addr_mode == MODE_AREG_POSTINC) { |
5157bc966c1a
Refactor translate_m68k_cmp to use translate_m68k_arith
Michael Pavone <pavone@retrodev.com>
parents:
579
diff
changeset
|
1323 push_r(code, opts->gen.scratch1); |
5157bc966c1a
Refactor translate_m68k_cmp to use translate_m68k_arith
Michael Pavone <pavone@retrodev.com>
parents:
579
diff
changeset
|
1324 translate_m68k_op(inst, &dst_op, opts, 1); |
5157bc966c1a
Refactor translate_m68k_cmp to use translate_m68k_arith
Michael Pavone <pavone@retrodev.com>
parents:
579
diff
changeset
|
1325 pop_r(code, opts->gen.scratch2); |
5157bc966c1a
Refactor translate_m68k_cmp to use translate_m68k_arith
Michael Pavone <pavone@retrodev.com>
parents:
579
diff
changeset
|
1326 src_op.base = opts->gen.scratch2; |
5157bc966c1a
Refactor translate_m68k_cmp to use translate_m68k_arith
Michael Pavone <pavone@retrodev.com>
parents:
579
diff
changeset
|
1327 } else { |
5157bc966c1a
Refactor translate_m68k_cmp to use translate_m68k_arith
Michael Pavone <pavone@retrodev.com>
parents:
579
diff
changeset
|
1328 translate_m68k_op(inst, &dst_op, opts, 1); |
5157bc966c1a
Refactor translate_m68k_cmp to use translate_m68k_arith
Michael Pavone <pavone@retrodev.com>
parents:
579
diff
changeset
|
1329 if (inst->dst.addr_mode == MODE_AREG && size == OPSIZE_WORD) { |
5157bc966c1a
Refactor translate_m68k_cmp to use translate_m68k_arith
Michael Pavone <pavone@retrodev.com>
parents:
579
diff
changeset
|
1330 size = OPSIZE_LONG; |
5157bc966c1a
Refactor translate_m68k_cmp to use translate_m68k_arith
Michael Pavone <pavone@retrodev.com>
parents:
579
diff
changeset
|
1331 } |
5157bc966c1a
Refactor translate_m68k_cmp to use translate_m68k_arith
Michael Pavone <pavone@retrodev.com>
parents:
579
diff
changeset
|
1332 } |
5157bc966c1a
Refactor translate_m68k_cmp to use translate_m68k_arith
Michael Pavone <pavone@retrodev.com>
parents:
579
diff
changeset
|
1333 translate_m68k_arith(opts, inst, N|Z|V|C, &src_op, &dst_op); |
577
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1334 } |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1335 |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1336 void op_r(code_info *code, m68kinst *inst, uint8_t dst, uint8_t size) |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1337 { |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1338 switch(inst->op) |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1339 { |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1340 case M68K_NEG: neg_r(code, dst, size); break; |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1341 case M68K_NOT: not_r(code, dst, size); cmp_ir(code, 0, dst, size); break; |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1342 case M68K_ROL: rol_clr(code, dst, size); break; |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1343 case M68K_ROR: ror_clr(code, dst, size); break; |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1344 case M68K_ROXL: rcl_clr(code, dst, size); break; |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1345 case M68K_ROXR: rcr_clr(code, dst, size); break; |
578
ec1365fb2954
Use translate_m68k_unary for SWAP in 68K core
Michael Pavone <pavone@retrodev.com>
parents:
577
diff
changeset
|
1346 case M68K_SWAP: rol_ir(code, 16, dst, SZ_D); cmp_ir(code, 0, dst, SZ_D); break; |
577
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1347 case M68K_TST: cmp_ir(code, 0, dst, size); break; |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1348 } |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1349 } |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1350 |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1351 void op_rdisp(code_info *code, m68kinst *inst, uint8_t dst, int32_t disp, uint8_t size) |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1352 { |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1353 switch(inst->op) |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1354 { |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1355 case M68K_NEG: neg_rdisp(code, dst, disp, size); break; |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1356 case M68K_NOT: not_rdisp(code, dst, disp, size); cmp_irdisp(code, 0, dst, disp, size); break; |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1357 case M68K_ROL: rol_clrdisp(code, dst, disp, size); break; |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1358 case M68K_ROR: ror_clrdisp(code, dst, disp, size); break; |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1359 case M68K_ROXL: rcl_clrdisp(code, dst, disp, size); break; |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1360 case M68K_ROXR: rcr_clrdisp(code, dst, disp, size); break; |
578
ec1365fb2954
Use translate_m68k_unary for SWAP in 68K core
Michael Pavone <pavone@retrodev.com>
parents:
577
diff
changeset
|
1361 case M68K_SWAP: rol_irdisp(code, 16, dst, disp, SZ_D); cmp_irdisp(code, 0, dst, disp, SZ_D); break; |
577
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1362 case M68K_TST: cmp_irdisp(code, 0, dst, disp, size); break; |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1363 } |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1364 } |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1365 |
582
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1366 void translate_m68k_unary(m68k_options *opts, m68kinst *inst, uint32_t flag_mask, host_ea *dst_op) |
577
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1367 { |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1368 code_info *code = &opts->gen.code; |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1369 cycles(&opts->gen, BUS); |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1370 if (dst_op->mode == MODE_REG_DIRECT) { |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1371 op_r(code, inst, dst_op->base, inst->extra.size); |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1372 } else { |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1373 op_rdisp(code, inst, dst_op->base, dst_op->disp, inst->extra.size); |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1374 } |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1375 update_flags(opts, flag_mask); |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1376 m68k_save_result(inst, opts); |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1377 } |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1378 |
582
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1379 void translate_m68k_invalid(m68k_options *opts, m68kinst *inst) |
14
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
1380 { |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
1381 code_info *code = &opts->gen.code; |
582
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1382 if (inst->src.params.immed == 0x7100) { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1383 retn(code); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1384 return; |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1385 } |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1386 mov_ir(code, inst->address, opts->gen.scratch1, SZ_D); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1387 call(code, (code_ptr)m68k_invalid); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1388 } |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1389 |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1390 void translate_m68k_abcd_sbcd(m68k_options *opts, m68kinst *inst, host_ea *src_op, host_ea *dst_op) |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1391 { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1392 code_info *code = &opts->gen.code; |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1393 if (src_op->base != opts->gen.scratch2) { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1394 if (src_op->mode == MODE_REG_DIRECT) { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1395 mov_rr(code, src_op->base, opts->gen.scratch2, SZ_B); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1396 } else { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1397 mov_rdispr(code, src_op->base, src_op->disp, opts->gen.scratch2, SZ_B); |
208
3457dc6fd558
Tweaks to make blastem compatible with m68k-tester
Mike Pavone <pavone@retrodev.com>
parents:
207
diff
changeset
|
1398 } |
18
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
1399 } |
582
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1400 if (dst_op->base != opts->gen.scratch1) { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1401 if (dst_op->mode == MODE_REG_DIRECT) { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1402 mov_rr(code, dst_op->base, opts->gen.scratch1, SZ_B); |
579
0031cd308a31
Combine the implementation of ABCD and SBCD in the 68K core
Michael Pavone <pavone@retrodev.com>
parents:
578
diff
changeset
|
1403 } else { |
582
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1404 mov_rdispr(code, dst_op->base, dst_op->disp, opts->gen.scratch1, SZ_B); |
579
0031cd308a31
Combine the implementation of ABCD and SBCD in the 68K core
Michael Pavone <pavone@retrodev.com>
parents:
578
diff
changeset
|
1405 } |
582
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1406 } |
612
5a6ff0d76032
Removed bcd_add and bcd_sub from runtime.S and generated the logic inline with the rest of abcd and sbcd translation. Fixed some edge cases and undefined flag behavior in the process
Michael Pavone <pavone@retrodev.com>
parents:
611
diff
changeset
|
1407 uint8_t other_reg; |
5a6ff0d76032
Removed bcd_add and bcd_sub from runtime.S and generated the logic inline with the rest of abcd and sbcd translation. Fixed some edge cases and undefined flag behavior in the process
Michael Pavone <pavone@retrodev.com>
parents:
611
diff
changeset
|
1408 //WARNING: This may need adjustment if register assignments change |
5a6ff0d76032
Removed bcd_add and bcd_sub from runtime.S and generated the logic inline with the rest of abcd and sbcd translation. Fixed some edge cases and undefined flag behavior in the process
Michael Pavone <pavone@retrodev.com>
parents:
611
diff
changeset
|
1409 if (opts->gen.scratch2 > RBX) { |
5a6ff0d76032
Removed bcd_add and bcd_sub from runtime.S and generated the logic inline with the rest of abcd and sbcd translation. Fixed some edge cases and undefined flag behavior in the process
Michael Pavone <pavone@retrodev.com>
parents:
611
diff
changeset
|
1410 other_reg = RAX; |
5a6ff0d76032
Removed bcd_add and bcd_sub from runtime.S and generated the logic inline with the rest of abcd and sbcd translation. Fixed some edge cases and undefined flag behavior in the process
Michael Pavone <pavone@retrodev.com>
parents:
611
diff
changeset
|
1411 xchg_rr(code, opts->gen.scratch2, RAX, SZ_D); |
5a6ff0d76032
Removed bcd_add and bcd_sub from runtime.S and generated the logic inline with the rest of abcd and sbcd translation. Fixed some edge cases and undefined flag behavior in the process
Michael Pavone <pavone@retrodev.com>
parents:
611
diff
changeset
|
1412 } else { |
5a6ff0d76032
Removed bcd_add and bcd_sub from runtime.S and generated the logic inline with the rest of abcd and sbcd translation. Fixed some edge cases and undefined flag behavior in the process
Michael Pavone <pavone@retrodev.com>
parents:
611
diff
changeset
|
1413 other_reg = opts->gen.scratch2; |
5a6ff0d76032
Removed bcd_add and bcd_sub from runtime.S and generated the logic inline with the rest of abcd and sbcd translation. Fixed some edge cases and undefined flag behavior in the process
Michael Pavone <pavone@retrodev.com>
parents:
611
diff
changeset
|
1414 } |
5a6ff0d76032
Removed bcd_add and bcd_sub from runtime.S and generated the logic inline with the rest of abcd and sbcd translation. Fixed some edge cases and undefined flag behavior in the process
Michael Pavone <pavone@retrodev.com>
parents:
611
diff
changeset
|
1415 mov_rr(code, opts->gen.scratch1, opts->gen.scratch1 + (AH-RAX), SZ_B); |
5a6ff0d76032
Removed bcd_add and bcd_sub from runtime.S and generated the logic inline with the rest of abcd and sbcd translation. Fixed some edge cases and undefined flag behavior in the process
Michael Pavone <pavone@retrodev.com>
parents:
611
diff
changeset
|
1416 mov_rr(code, other_reg, other_reg + (AH-RAX), SZ_B); |
5a6ff0d76032
Removed bcd_add and bcd_sub from runtime.S and generated the logic inline with the rest of abcd and sbcd translation. Fixed some edge cases and undefined flag behavior in the process
Michael Pavone <pavone@retrodev.com>
parents:
611
diff
changeset
|
1417 and_ir(code, 0xF0, opts->gen.scratch1, SZ_B); |
5a6ff0d76032
Removed bcd_add and bcd_sub from runtime.S and generated the logic inline with the rest of abcd and sbcd translation. Fixed some edge cases and undefined flag behavior in the process
Michael Pavone <pavone@retrodev.com>
parents:
611
diff
changeset
|
1418 and_ir(code, 0xF0, other_reg, SZ_B); |
5a6ff0d76032
Removed bcd_add and bcd_sub from runtime.S and generated the logic inline with the rest of abcd and sbcd translation. Fixed some edge cases and undefined flag behavior in the process
Michael Pavone <pavone@retrodev.com>
parents:
611
diff
changeset
|
1419 and_ir(code, 0xF, opts->gen.scratch1 + (AH-RAX), SZ_B); |
5a6ff0d76032
Removed bcd_add and bcd_sub from runtime.S and generated the logic inline with the rest of abcd and sbcd translation. Fixed some edge cases and undefined flag behavior in the process
Michael Pavone <pavone@retrodev.com>
parents:
611
diff
changeset
|
1420 and_ir(code, 0xF, other_reg + (AH-RAX), SZ_B); |
5a6ff0d76032
Removed bcd_add and bcd_sub from runtime.S and generated the logic inline with the rest of abcd and sbcd translation. Fixed some edge cases and undefined flag behavior in the process
Michael Pavone <pavone@retrodev.com>
parents:
611
diff
changeset
|
1421 //do op on low nibble |
582
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1422 flag_to_carry(opts, FLAG_X); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1423 if (inst->op == M68K_ABCD) { |
612
5a6ff0d76032
Removed bcd_add and bcd_sub from runtime.S and generated the logic inline with the rest of abcd and sbcd translation. Fixed some edge cases and undefined flag behavior in the process
Michael Pavone <pavone@retrodev.com>
parents:
611
diff
changeset
|
1424 adc_rr(code, other_reg + (AH-RAX), opts->gen.scratch1 + (AH-RAX), SZ_B); |
5a6ff0d76032
Removed bcd_add and bcd_sub from runtime.S and generated the logic inline with the rest of abcd and sbcd translation. Fixed some edge cases and undefined flag behavior in the process
Michael Pavone <pavone@retrodev.com>
parents:
611
diff
changeset
|
1425 } else { |
5a6ff0d76032
Removed bcd_add and bcd_sub from runtime.S and generated the logic inline with the rest of abcd and sbcd translation. Fixed some edge cases and undefined flag behavior in the process
Michael Pavone <pavone@retrodev.com>
parents:
611
diff
changeset
|
1426 sbb_rr(code, other_reg + (AH-RAX), opts->gen.scratch1 + (AH-RAX), SZ_B); |
5a6ff0d76032
Removed bcd_add and bcd_sub from runtime.S and generated the logic inline with the rest of abcd and sbcd translation. Fixed some edge cases and undefined flag behavior in the process
Michael Pavone <pavone@retrodev.com>
parents:
611
diff
changeset
|
1427 } |
5a6ff0d76032
Removed bcd_add and bcd_sub from runtime.S and generated the logic inline with the rest of abcd and sbcd translation. Fixed some edge cases and undefined flag behavior in the process
Michael Pavone <pavone@retrodev.com>
parents:
611
diff
changeset
|
1428 cmp_ir(code, 0xA, opts->gen.scratch1 + (AH-RAX), SZ_B); |
5a6ff0d76032
Removed bcd_add and bcd_sub from runtime.S and generated the logic inline with the rest of abcd and sbcd translation. Fixed some edge cases and undefined flag behavior in the process
Michael Pavone <pavone@retrodev.com>
parents:
611
diff
changeset
|
1429 code_ptr no_adjust = code->cur+1; |
5a6ff0d76032
Removed bcd_add and bcd_sub from runtime.S and generated the logic inline with the rest of abcd and sbcd translation. Fixed some edge cases and undefined flag behavior in the process
Michael Pavone <pavone@retrodev.com>
parents:
611
diff
changeset
|
1430 //add correction factor if necessary |
5a6ff0d76032
Removed bcd_add and bcd_sub from runtime.S and generated the logic inline with the rest of abcd and sbcd translation. Fixed some edge cases and undefined flag behavior in the process
Michael Pavone <pavone@retrodev.com>
parents:
611
diff
changeset
|
1431 jcc(code, CC_B, no_adjust); |
5a6ff0d76032
Removed bcd_add and bcd_sub from runtime.S and generated the logic inline with the rest of abcd and sbcd translation. Fixed some edge cases and undefined flag behavior in the process
Michael Pavone <pavone@retrodev.com>
parents:
611
diff
changeset
|
1432 if (inst->op == M68K_ABCD) { |
5a6ff0d76032
Removed bcd_add and bcd_sub from runtime.S and generated the logic inline with the rest of abcd and sbcd translation. Fixed some edge cases and undefined flag behavior in the process
Michael Pavone <pavone@retrodev.com>
parents:
611
diff
changeset
|
1433 add_ir(code, 6, opts->gen.scratch1 + (AH-RAX), SZ_B); |
582
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1434 } else { |
612
5a6ff0d76032
Removed bcd_add and bcd_sub from runtime.S and generated the logic inline with the rest of abcd and sbcd translation. Fixed some edge cases and undefined flag behavior in the process
Michael Pavone <pavone@retrodev.com>
parents:
611
diff
changeset
|
1435 sub_ir(code, 6, opts->gen.scratch1 + (AH-RAX), SZ_B); |
5a6ff0d76032
Removed bcd_add and bcd_sub from runtime.S and generated the logic inline with the rest of abcd and sbcd translation. Fixed some edge cases and undefined flag behavior in the process
Michael Pavone <pavone@retrodev.com>
parents:
611
diff
changeset
|
1436 } |
5a6ff0d76032
Removed bcd_add and bcd_sub from runtime.S and generated the logic inline with the rest of abcd and sbcd translation. Fixed some edge cases and undefined flag behavior in the process
Michael Pavone <pavone@retrodev.com>
parents:
611
diff
changeset
|
1437 *no_adjust = code->cur - (no_adjust+1); |
5a6ff0d76032
Removed bcd_add and bcd_sub from runtime.S and generated the logic inline with the rest of abcd and sbcd translation. Fixed some edge cases and undefined flag behavior in the process
Michael Pavone <pavone@retrodev.com>
parents:
611
diff
changeset
|
1438 //add low nibble result to one of the high nibble operands |
5a6ff0d76032
Removed bcd_add and bcd_sub from runtime.S and generated the logic inline with the rest of abcd and sbcd translation. Fixed some edge cases and undefined flag behavior in the process
Michael Pavone <pavone@retrodev.com>
parents:
611
diff
changeset
|
1439 add_rr(code, opts->gen.scratch1 + (AH-RAX), opts->gen.scratch1, SZ_B); |
5a6ff0d76032
Removed bcd_add and bcd_sub from runtime.S and generated the logic inline with the rest of abcd and sbcd translation. Fixed some edge cases and undefined flag behavior in the process
Michael Pavone <pavone@retrodev.com>
parents:
611
diff
changeset
|
1440 if (inst->op == M68K_ABCD) { |
5a6ff0d76032
Removed bcd_add and bcd_sub from runtime.S and generated the logic inline with the rest of abcd and sbcd translation. Fixed some edge cases and undefined flag behavior in the process
Michael Pavone <pavone@retrodev.com>
parents:
611
diff
changeset
|
1441 add_rr(code, other_reg, opts->gen.scratch1, SZ_B); |
5a6ff0d76032
Removed bcd_add and bcd_sub from runtime.S and generated the logic inline with the rest of abcd and sbcd translation. Fixed some edge cases and undefined flag behavior in the process
Michael Pavone <pavone@retrodev.com>
parents:
611
diff
changeset
|
1442 } else { |
5a6ff0d76032
Removed bcd_add and bcd_sub from runtime.S and generated the logic inline with the rest of abcd and sbcd translation. Fixed some edge cases and undefined flag behavior in the process
Michael Pavone <pavone@retrodev.com>
parents:
611
diff
changeset
|
1443 sub_rr(code, other_reg, opts->gen.scratch1, SZ_B); |
5a6ff0d76032
Removed bcd_add and bcd_sub from runtime.S and generated the logic inline with the rest of abcd and sbcd translation. Fixed some edge cases and undefined flag behavior in the process
Michael Pavone <pavone@retrodev.com>
parents:
611
diff
changeset
|
1444 } |
5a6ff0d76032
Removed bcd_add and bcd_sub from runtime.S and generated the logic inline with the rest of abcd and sbcd translation. Fixed some edge cases and undefined flag behavior in the process
Michael Pavone <pavone@retrodev.com>
parents:
611
diff
changeset
|
1445 if (opts->gen.scratch2 > RBX) { |
5a6ff0d76032
Removed bcd_add and bcd_sub from runtime.S and generated the logic inline with the rest of abcd and sbcd translation. Fixed some edge cases and undefined flag behavior in the process
Michael Pavone <pavone@retrodev.com>
parents:
611
diff
changeset
|
1446 mov_rr(code, opts->gen.scratch2, RAX, SZ_D); |
582
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1447 } |
612
5a6ff0d76032
Removed bcd_add and bcd_sub from runtime.S and generated the logic inline with the rest of abcd and sbcd translation. Fixed some edge cases and undefined flag behavior in the process
Michael Pavone <pavone@retrodev.com>
parents:
611
diff
changeset
|
1448 set_flag(opts, 0, FLAG_C); |
5a6ff0d76032
Removed bcd_add and bcd_sub from runtime.S and generated the logic inline with the rest of abcd and sbcd translation. Fixed some edge cases and undefined flag behavior in the process
Michael Pavone <pavone@retrodev.com>
parents:
611
diff
changeset
|
1449 set_flag(opts, 0, FLAG_V); |
5a6ff0d76032
Removed bcd_add and bcd_sub from runtime.S and generated the logic inline with the rest of abcd and sbcd translation. Fixed some edge cases and undefined flag behavior in the process
Michael Pavone <pavone@retrodev.com>
parents:
611
diff
changeset
|
1450 code_ptr def_adjust = code->cur+1; |
5a6ff0d76032
Removed bcd_add and bcd_sub from runtime.S and generated the logic inline with the rest of abcd and sbcd translation. Fixed some edge cases and undefined flag behavior in the process
Michael Pavone <pavone@retrodev.com>
parents:
611
diff
changeset
|
1451 jcc(code, CC_C, def_adjust); |
5a6ff0d76032
Removed bcd_add and bcd_sub from runtime.S and generated the logic inline with the rest of abcd and sbcd translation. Fixed some edge cases and undefined flag behavior in the process
Michael Pavone <pavone@retrodev.com>
parents:
611
diff
changeset
|
1452 cmp_ir(code, 0xA0, opts->gen.scratch1, SZ_B); |
5a6ff0d76032
Removed bcd_add and bcd_sub from runtime.S and generated the logic inline with the rest of abcd and sbcd translation. Fixed some edge cases and undefined flag behavior in the process
Michael Pavone <pavone@retrodev.com>
parents:
611
diff
changeset
|
1453 no_adjust = code->cur+1; |
5a6ff0d76032
Removed bcd_add and bcd_sub from runtime.S and generated the logic inline with the rest of abcd and sbcd translation. Fixed some edge cases and undefined flag behavior in the process
Michael Pavone <pavone@retrodev.com>
parents:
611
diff
changeset
|
1454 jcc(code, CC_B, no_adjust); |
5a6ff0d76032
Removed bcd_add and bcd_sub from runtime.S and generated the logic inline with the rest of abcd and sbcd translation. Fixed some edge cases and undefined flag behavior in the process
Michael Pavone <pavone@retrodev.com>
parents:
611
diff
changeset
|
1455 *def_adjust = code->cur - (def_adjust + 1); |
5a6ff0d76032
Removed bcd_add and bcd_sub from runtime.S and generated the logic inline with the rest of abcd and sbcd translation. Fixed some edge cases and undefined flag behavior in the process
Michael Pavone <pavone@retrodev.com>
parents:
611
diff
changeset
|
1456 set_flag(opts, 1, FLAG_C); |
5a6ff0d76032
Removed bcd_add and bcd_sub from runtime.S and generated the logic inline with the rest of abcd and sbcd translation. Fixed some edge cases and undefined flag behavior in the process
Michael Pavone <pavone@retrodev.com>
parents:
611
diff
changeset
|
1457 if (inst->op == M68K_ABCD) { |
5a6ff0d76032
Removed bcd_add and bcd_sub from runtime.S and generated the logic inline with the rest of abcd and sbcd translation. Fixed some edge cases and undefined flag behavior in the process
Michael Pavone <pavone@retrodev.com>
parents:
611
diff
changeset
|
1458 add_ir(code, 0x60, opts->gen.scratch1, SZ_B); |
5a6ff0d76032
Removed bcd_add and bcd_sub from runtime.S and generated the logic inline with the rest of abcd and sbcd translation. Fixed some edge cases and undefined flag behavior in the process
Michael Pavone <pavone@retrodev.com>
parents:
611
diff
changeset
|
1459 } else { |
5a6ff0d76032
Removed bcd_add and bcd_sub from runtime.S and generated the logic inline with the rest of abcd and sbcd translation. Fixed some edge cases and undefined flag behavior in the process
Michael Pavone <pavone@retrodev.com>
parents:
611
diff
changeset
|
1460 sub_ir(code, 0x60, opts->gen.scratch1, SZ_B); |
5a6ff0d76032
Removed bcd_add and bcd_sub from runtime.S and generated the logic inline with the rest of abcd and sbcd translation. Fixed some edge cases and undefined flag behavior in the process
Michael Pavone <pavone@retrodev.com>
parents:
611
diff
changeset
|
1461 } |
5a6ff0d76032
Removed bcd_add and bcd_sub from runtime.S and generated the logic inline with the rest of abcd and sbcd translation. Fixed some edge cases and undefined flag behavior in the process
Michael Pavone <pavone@retrodev.com>
parents:
611
diff
changeset
|
1462 //V flag is set based on the result of the addition of the |
5a6ff0d76032
Removed bcd_add and bcd_sub from runtime.S and generated the logic inline with the rest of abcd and sbcd translation. Fixed some edge cases and undefined flag behavior in the process
Michael Pavone <pavone@retrodev.com>
parents:
611
diff
changeset
|
1463 //result and the correction factor |
5a6ff0d76032
Removed bcd_add and bcd_sub from runtime.S and generated the logic inline with the rest of abcd and sbcd translation. Fixed some edge cases and undefined flag behavior in the process
Michael Pavone <pavone@retrodev.com>
parents:
611
diff
changeset
|
1464 set_flag_cond(opts, CC_O, FLAG_V); |
5a6ff0d76032
Removed bcd_add and bcd_sub from runtime.S and generated the logic inline with the rest of abcd and sbcd translation. Fixed some edge cases and undefined flag behavior in the process
Michael Pavone <pavone@retrodev.com>
parents:
611
diff
changeset
|
1465 *no_adjust = code->cur - (no_adjust+1); |
5a6ff0d76032
Removed bcd_add and bcd_sub from runtime.S and generated the logic inline with the rest of abcd and sbcd translation. Fixed some edge cases and undefined flag behavior in the process
Michael Pavone <pavone@retrodev.com>
parents:
611
diff
changeset
|
1466 flag_to_flag(opts, FLAG_C, FLAG_X); |
5a6ff0d76032
Removed bcd_add and bcd_sub from runtime.S and generated the logic inline with the rest of abcd and sbcd translation. Fixed some edge cases and undefined flag behavior in the process
Michael Pavone <pavone@retrodev.com>
parents:
611
diff
changeset
|
1467 |
582
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1468 cmp_ir(code, 0, opts->gen.scratch1, SZ_B); |
612
5a6ff0d76032
Removed bcd_add and bcd_sub from runtime.S and generated the logic inline with the rest of abcd and sbcd translation. Fixed some edge cases and undefined flag behavior in the process
Michael Pavone <pavone@retrodev.com>
parents:
611
diff
changeset
|
1469 set_flag_cond(opts, CC_S, FLAG_N); |
582
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1470 jcc(code, CC_Z, code->cur + 4); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1471 set_flag(opts, 0, FLAG_Z); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1472 if (dst_op->base != opts->gen.scratch1) { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1473 if (dst_op->mode == MODE_REG_DIRECT) { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1474 mov_rr(code, opts->gen.scratch1, dst_op->base, SZ_B); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1475 } else { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1476 mov_rrdisp(code, opts->gen.scratch1, dst_op->base, dst_op->disp, SZ_B); |
73
8da611e69b32
Implement a couple of supervisor instructions
Mike Pavone <pavone@retrodev.com>
parents:
71
diff
changeset
|
1477 } |
582
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1478 } |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1479 m68k_save_result(inst, opts); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1480 } |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1481 |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1482 void translate_m68k_sl(m68k_options *opts, m68kinst *inst, host_ea *src_op, host_ea *dst_op) |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1483 { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1484 translate_shift(opts, inst, src_op, dst_op, shl_ir, shl_irdisp, shl_clr, shl_clrdisp, shr_ir, shr_irdisp); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1485 } |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1486 |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1487 void translate_m68k_asr(m68k_options *opts, m68kinst *inst, host_ea *src_op, host_ea *dst_op) |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1488 { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1489 translate_shift(opts, inst, src_op, dst_op, sar_ir, sar_irdisp, sar_clr, sar_clrdisp, NULL, NULL); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1490 } |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1491 |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1492 void translate_m68k_lsr(m68k_options *opts, m68kinst *inst, host_ea *src_op, host_ea *dst_op) |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1493 { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1494 translate_shift(opts, inst, src_op, dst_op, shr_ir, shr_irdisp, shr_clr, shr_clrdisp, shl_ir, shl_irdisp); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1495 } |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1496 |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1497 void translate_m68k_bit(m68k_options *opts, m68kinst *inst, host_ea *src_op, host_ea *dst_op) |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1498 { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1499 code_info *code = &opts->gen.code; |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1500 cycles(&opts->gen, inst->extra.size == OPSIZE_BYTE ? 4 : ( |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1501 inst->op == M68K_BTST ? 6 : (inst->op == M68K_BCLR ? 10 : 8)) |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1502 ); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1503 if (src_op->mode == MODE_IMMED) { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1504 if (inst->extra.size == OPSIZE_BYTE) { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1505 src_op->disp &= 0x7; |
73
8da611e69b32
Implement a couple of supervisor instructions
Mike Pavone <pavone@retrodev.com>
parents:
71
diff
changeset
|
1506 } |
582
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1507 if (dst_op->mode == MODE_REG_DIRECT) { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1508 op_ir(code, inst, src_op->disp, dst_op->base, inst->extra.size); |
61
918468c623e9
Add support for BTST instruction (untested), absolute addressing mode for instructions other than move (untested) and fix decoding of MOVEM.
Mike Pavone <pavone@retrodev.com>
parents:
59
diff
changeset
|
1509 } else { |
582
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1510 op_irdisp(code, inst, src_op->disp, dst_op->base, dst_op->disp, inst->extra.size); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1511 } |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1512 } else { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1513 if (src_op->mode == MODE_REG_DISPLACE8 || (inst->dst.addr_mode != MODE_REG && src_op->base != opts->gen.scratch1 && src_op->base != opts->gen.scratch2)) { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1514 if (dst_op->base == opts->gen.scratch1) { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1515 push_r(code, opts->gen.scratch2); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1516 if (src_op->mode == MODE_REG_DIRECT) { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1517 mov_rr(code, src_op->base, opts->gen.scratch2, SZ_B); |
61
918468c623e9
Add support for BTST instruction (untested), absolute addressing mode for instructions other than move (untested) and fix decoding of MOVEM.
Mike Pavone <pavone@retrodev.com>
parents:
59
diff
changeset
|
1518 } else { |
582
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1519 mov_rdispr(code, src_op->base, src_op->disp, opts->gen.scratch2, SZ_B); |
154
4791c0204410
Small fix for bit instructions
Mike Pavone <pavone@retrodev.com>
parents:
152
diff
changeset
|
1520 } |
582
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1521 src_op->base = opts->gen.scratch2; |
61
918468c623e9
Add support for BTST instruction (untested), absolute addressing mode for instructions other than move (untested) and fix decoding of MOVEM.
Mike Pavone <pavone@retrodev.com>
parents:
59
diff
changeset
|
1522 } else { |
582
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1523 if (src_op->mode == MODE_REG_DIRECT) { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1524 mov_rr(code, src_op->base, opts->gen.scratch1, SZ_B); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1525 } else { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1526 mov_rdispr(code, src_op->base, src_op->disp, opts->gen.scratch1, SZ_B); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1527 } |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1528 src_op->base = opts->gen.scratch1; |
226
28a6697e847b
Implement CHK instruction (not fully tested).
Mike Pavone <pavone@retrodev.com>
parents:
225
diff
changeset
|
1529 } |
28a6697e847b
Implement CHK instruction (not fully tested).
Mike Pavone <pavone@retrodev.com>
parents:
225
diff
changeset
|
1530 } |
582
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1531 uint8_t size = inst->extra.size; |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1532 if (dst_op->mode == MODE_REG_DISPLACE8) { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1533 if (src_op->base != opts->gen.scratch1 && src_op->base != opts->gen.scratch2) { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1534 if (src_op->mode == MODE_REG_DIRECT) { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1535 mov_rr(code, src_op->base, opts->gen.scratch1, SZ_D); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1536 } else { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1537 mov_rdispr(code, src_op->base, src_op->disp, opts->gen.scratch1, SZ_D); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1538 src_op->mode = MODE_REG_DIRECT; |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1539 } |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1540 src_op->base = opts->gen.scratch1; |
151
6b593ea0ed90
Implement MULU/MULS and DIVU/DIVS
Mike Pavone <pavone@retrodev.com>
parents:
150
diff
changeset
|
1541 } |
582
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1542 //b### with register destination is modulo 32 |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1543 //x86 with a memory destination isn't modulo anything |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1544 //so use an and here to force the value to be modulo 32 |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1545 and_ir(code, 31, opts->gen.scratch1, SZ_D); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1546 } else if(inst->dst.addr_mode != MODE_REG) { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1547 //b### with memory destination is modulo 8 |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1548 //x86-64 doesn't support 8-bit bit operations |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1549 //so we fake it by forcing the bit number to be modulo 8 |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1550 and_ir(code, 7, src_op->base, SZ_D); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1551 size = SZ_D; |
151
6b593ea0ed90
Implement MULU/MULS and DIVU/DIVS
Mike Pavone <pavone@retrodev.com>
parents:
150
diff
changeset
|
1552 } |
582
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1553 if (dst_op->mode == MODE_REG_DIRECT) { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1554 op_rr(code, inst, src_op->base, dst_op->base, size); |
181
3b4ef459aa8d
Fix signed division with negative result, fix address reg destination with word-sized operand, fix cmpm decoding and code generation, fix unbalanced pop in bit instructions
Mike Pavone <pavone@retrodev.com>
parents:
179
diff
changeset
|
1555 } else { |
582
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1556 op_rrdisp(code, inst, src_op->base, dst_op->base, dst_op->disp, size); |
181
3b4ef459aa8d
Fix signed division with negative result, fix address reg destination with word-sized operand, fix cmpm decoding and code generation, fix unbalanced pop in bit instructions
Mike Pavone <pavone@retrodev.com>
parents:
179
diff
changeset
|
1557 } |
582
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1558 if (src_op->base == opts->gen.scratch2) { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1559 pop_r(code, opts->gen.scratch2); |
151
6b593ea0ed90
Implement MULU/MULS and DIVU/DIVS
Mike Pavone <pavone@retrodev.com>
parents:
150
diff
changeset
|
1560 } |
582
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1561 } |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1562 //x86 sets the carry flag to the value of the bit tested |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1563 //68K sets the zero flag to the complement of the bit tested |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1564 set_flag_cond(opts, CC_NC, FLAG_Z); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1565 if (inst->op != M68K_BTST) { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1566 m68k_save_result(inst, opts); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1567 } |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1568 } |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1569 |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1570 void translate_m68k_chk(m68k_options *opts, m68kinst *inst, host_ea *src_op, host_ea *dst_op) |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1571 { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1572 code_info *code = &opts->gen.code; |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1573 cycles(&opts->gen, 6); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1574 if (dst_op->mode == MODE_REG_DIRECT) { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1575 cmp_ir(code, 0, dst_op->base, inst->extra.size); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1576 } else { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1577 cmp_irdisp(code, 0, dst_op->base, dst_op->disp, inst->extra.size); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1578 } |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1579 uint32_t isize; |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1580 switch(inst->src.addr_mode) |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1581 { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1582 case MODE_AREG_DISPLACE: |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1583 case MODE_AREG_INDEX_DISP8: |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1584 case MODE_ABSOLUTE_SHORT: |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1585 case MODE_PC_INDEX_DISP8: |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1586 case MODE_PC_DISPLACE: |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1587 case MODE_IMMEDIATE: |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1588 isize = 4; |
151
6b593ea0ed90
Implement MULU/MULS and DIVU/DIVS
Mike Pavone <pavone@retrodev.com>
parents:
150
diff
changeset
|
1589 break; |
582
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1590 case MODE_ABSOLUTE: |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1591 isize = 6; |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1592 break; |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1593 default: |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1594 isize = 2; |
228
1ed81ef2a3a2
Fix overflow detection in divs. Fix negative immediate source for divs
Mike Pavone <pavone@retrodev.com>
parents:
226
diff
changeset
|
1595 } |
582
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1596 //make sure we won't start a new chunk in the middle of these branches |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1597 check_alloc_code(code, MAX_INST_LEN * 11); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1598 code_ptr passed = code->cur + 1; |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1599 jcc(code, CC_GE, code->cur + 2); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1600 set_flag(opts, 1, FLAG_N); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1601 mov_ir(code, VECTOR_CHK, opts->gen.scratch2, SZ_D); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1602 mov_ir(code, inst->address+isize, opts->gen.scratch1, SZ_D); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1603 jmp(code, opts->trap); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1604 *passed = code->cur - (passed+1); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1605 if (dst_op->mode == MODE_REG_DIRECT) { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1606 if (src_op->mode == MODE_REG_DIRECT) { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1607 cmp_rr(code, src_op->base, dst_op->base, inst->extra.size); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1608 } else if(src_op->mode == MODE_REG_DISPLACE8) { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1609 cmp_rdispr(code, src_op->base, src_op->disp, dst_op->base, inst->extra.size); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1610 } else { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1611 cmp_ir(code, src_op->disp, dst_op->base, inst->extra.size); |
171 | 1612 } |
582
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1613 } else if(dst_op->mode == MODE_REG_DISPLACE8) { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1614 if (src_op->mode == MODE_REG_DIRECT) { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1615 cmp_rrdisp(code, src_op->base, dst_op->base, dst_op->disp, inst->extra.size); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1616 } else { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1617 cmp_irdisp(code, src_op->disp, dst_op->base, dst_op->disp, inst->extra.size); |
171 | 1618 } |
582
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1619 } |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1620 passed = code->cur + 1; |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1621 jcc(code, CC_LE, code->cur + 2); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1622 set_flag(opts, 0, FLAG_N); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1623 mov_ir(code, VECTOR_CHK, opts->gen.scratch2, SZ_D); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1624 mov_ir(code, inst->address+isize, opts->gen.scratch1, SZ_D); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1625 jmp(code, opts->trap); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1626 *passed = code->cur - (passed+1); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1627 cycles(&opts->gen, 4); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1628 } |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1629 |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1630 void translate_m68k_div(m68k_options *opts, m68kinst *inst, host_ea *src_op, host_ea *dst_op) |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1631 { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1632 code_info *code = &opts->gen.code; |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1633 check_alloc_code(code, MAX_NATIVE_SIZE); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1634 //TODO: cycle exact division |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1635 cycles(&opts->gen, inst->op == M68K_DIVS ? 158 : 140); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1636 set_flag(opts, 0, FLAG_C); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1637 push_r(code, RDX); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1638 push_r(code, RAX); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1639 if (dst_op->mode == MODE_REG_DIRECT) { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1640 mov_rr(code, dst_op->base, RAX, SZ_D); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1641 } else { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1642 mov_rdispr(code, dst_op->base, dst_op->disp, RAX, SZ_D); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1643 } |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1644 if (src_op->mode == MODE_IMMED) { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1645 mov_ir(code, (src_op->disp & 0x8000) && inst->op == M68K_DIVS ? src_op->disp | 0xFFFF0000 : src_op->disp, opts->gen.scratch2, SZ_D); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1646 } else if (src_op->mode == MODE_REG_DIRECT) { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1647 if (inst->op == M68K_DIVS) { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1648 movsx_rr(code, src_op->base, opts->gen.scratch2, SZ_W, SZ_D); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1649 } else { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1650 movzx_rr(code, src_op->base, opts->gen.scratch2, SZ_W, SZ_D); |
171 | 1651 } |
582
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1652 } else if (src_op->mode == MODE_REG_DISPLACE8) { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1653 if (inst->op == M68K_DIVS) { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1654 movsx_rdispr(code, src_op->base, src_op->disp, opts->gen.scratch2, SZ_W, SZ_D); |
71
f80fa1776507
Implement more instructions and address modes
Mike Pavone <pavone@retrodev.com>
parents:
70
diff
changeset
|
1655 } else { |
582
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1656 movzx_rdispr(code, src_op->base, src_op->disp, opts->gen.scratch2, SZ_W, SZ_D); |
71
f80fa1776507
Implement more instructions and address modes
Mike Pavone <pavone@retrodev.com>
parents:
70
diff
changeset
|
1657 } |
582
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1658 } |
611
744b305965f7
Fix divide by zero exception return address when div instruction is bigger than 1 word
Michael Pavone <pavone@retrodev.com>
parents:
610
diff
changeset
|
1659 uint32_t isize = 2; |
744b305965f7
Fix divide by zero exception return address when div instruction is bigger than 1 word
Michael Pavone <pavone@retrodev.com>
parents:
610
diff
changeset
|
1660 switch(inst->src.addr_mode) |
744b305965f7
Fix divide by zero exception return address when div instruction is bigger than 1 word
Michael Pavone <pavone@retrodev.com>
parents:
610
diff
changeset
|
1661 { |
744b305965f7
Fix divide by zero exception return address when div instruction is bigger than 1 word
Michael Pavone <pavone@retrodev.com>
parents:
610
diff
changeset
|
1662 case MODE_AREG_DISPLACE: |
744b305965f7
Fix divide by zero exception return address when div instruction is bigger than 1 word
Michael Pavone <pavone@retrodev.com>
parents:
610
diff
changeset
|
1663 case MODE_AREG_INDEX_DISP8: |
744b305965f7
Fix divide by zero exception return address when div instruction is bigger than 1 word
Michael Pavone <pavone@retrodev.com>
parents:
610
diff
changeset
|
1664 case MODE_ABSOLUTE_SHORT: |
744b305965f7
Fix divide by zero exception return address when div instruction is bigger than 1 word
Michael Pavone <pavone@retrodev.com>
parents:
610
diff
changeset
|
1665 case MODE_PC_INDEX_DISP8: |
744b305965f7
Fix divide by zero exception return address when div instruction is bigger than 1 word
Michael Pavone <pavone@retrodev.com>
parents:
610
diff
changeset
|
1666 case MODE_IMMEDIATE: |
744b305965f7
Fix divide by zero exception return address when div instruction is bigger than 1 word
Michael Pavone <pavone@retrodev.com>
parents:
610
diff
changeset
|
1667 isize = 4; |
744b305965f7
Fix divide by zero exception return address when div instruction is bigger than 1 word
Michael Pavone <pavone@retrodev.com>
parents:
610
diff
changeset
|
1668 break; |
744b305965f7
Fix divide by zero exception return address when div instruction is bigger than 1 word
Michael Pavone <pavone@retrodev.com>
parents:
610
diff
changeset
|
1669 case MODE_ABSOLUTE: |
744b305965f7
Fix divide by zero exception return address when div instruction is bigger than 1 word
Michael Pavone <pavone@retrodev.com>
parents:
610
diff
changeset
|
1670 isize = 6; |
744b305965f7
Fix divide by zero exception return address when div instruction is bigger than 1 word
Michael Pavone <pavone@retrodev.com>
parents:
610
diff
changeset
|
1671 break; |
744b305965f7
Fix divide by zero exception return address when div instruction is bigger than 1 word
Michael Pavone <pavone@retrodev.com>
parents:
610
diff
changeset
|
1672 } |
582
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1673 cmp_ir(code, 0, opts->gen.scratch2, SZ_D); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1674 check_alloc_code(code, 6*MAX_INST_LEN); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1675 code_ptr not_zero = code->cur + 1; |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1676 jcc(code, CC_NZ, code->cur + 2); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1677 pop_r(code, RAX); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1678 pop_r(code, RDX); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1679 mov_ir(code, VECTOR_INT_DIV_ZERO, opts->gen.scratch2, SZ_D); |
611
744b305965f7
Fix divide by zero exception return address when div instruction is bigger than 1 word
Michael Pavone <pavone@retrodev.com>
parents:
610
diff
changeset
|
1680 mov_ir(code, inst->address+isize, opts->gen.scratch1, SZ_D); |
582
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1681 jmp(code, opts->trap); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1682 *not_zero = code->cur - (not_zero+1); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1683 if (inst->op == M68K_DIVS) { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1684 cdq(code); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1685 } else { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1686 xor_rr(code, RDX, RDX, SZ_D); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1687 } |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1688 if (inst->op == M68K_DIVS) { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1689 idiv_r(code, opts->gen.scratch2, SZ_D); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1690 } else { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1691 div_r(code, opts->gen.scratch2, SZ_D); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1692 } |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1693 code_ptr skip_sec_check, norm_off; |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1694 if (inst->op == M68K_DIVS) { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1695 cmp_ir(code, 0x8000, RAX, SZ_D); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1696 skip_sec_check = code->cur + 1; |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1697 jcc(code, CC_GE, code->cur + 2); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1698 cmp_ir(code, -0x8000, RAX, SZ_D); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1699 norm_off = code->cur + 1; |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1700 jcc(code, CC_L, code->cur + 2); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1701 } else { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1702 cmp_ir(code, 0x10000, RAX, SZ_D); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1703 norm_off = code->cur + 1; |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1704 jcc(code, CC_NC, code->cur + 2); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1705 } |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1706 if (dst_op->mode == MODE_REG_DIRECT) { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1707 mov_rr(code, RDX, dst_op->base, SZ_W); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1708 shl_ir(code, 16, dst_op->base, SZ_D); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1709 mov_rr(code, RAX, dst_op->base, SZ_W); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1710 } else { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1711 mov_rrdisp(code, RDX, dst_op->base, dst_op->disp, SZ_W); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1712 shl_irdisp(code, 16, dst_op->base, dst_op->disp, SZ_D); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1713 mov_rrdisp(code, RAX, dst_op->base, dst_op->disp, SZ_W); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1714 } |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1715 cmp_ir(code, 0, RAX, SZ_W); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1716 pop_r(code, RAX); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1717 pop_r(code, RDX); |
583
819921b76b4b
Use update_flags instead of individual set_flag calls in a few places
Michael Pavone <pavone@retrodev.com>
parents:
582
diff
changeset
|
1718 update_flags(opts, V0|Z|N); |
582
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1719 code_ptr end_off = code->cur + 1; |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1720 jmp(code, code->cur + 2); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1721 *norm_off = code->cur - (norm_off + 1); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1722 if (inst->op == M68K_DIVS) { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1723 *skip_sec_check = code->cur - (skip_sec_check+1); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1724 } |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1725 pop_r(code, RAX); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1726 pop_r(code, RDX); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1727 set_flag(opts, 1, FLAG_V); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1728 *end_off = code->cur - (end_off + 1); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1729 } |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1730 |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1731 void translate_m68k_exg(m68k_options *opts, m68kinst *inst, host_ea *src_op, host_ea *dst_op) |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1732 { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1733 code_info *code = &opts->gen.code; |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1734 cycles(&opts->gen, 6); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1735 if (dst_op->mode == MODE_REG_DIRECT) { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1736 mov_rr(code, dst_op->base, opts->gen.scratch2, SZ_D); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1737 if (src_op->mode == MODE_REG_DIRECT) { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1738 mov_rr(code, src_op->base, dst_op->base, SZ_D); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1739 mov_rr(code, opts->gen.scratch2, src_op->base, SZ_D); |
73
8da611e69b32
Implement a couple of supervisor instructions
Mike Pavone <pavone@retrodev.com>
parents:
71
diff
changeset
|
1740 } else { |
582
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1741 mov_rdispr(code, src_op->base, src_op->disp, dst_op->base, SZ_D); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1742 mov_rrdisp(code, opts->gen.scratch2, src_op->base, src_op->disp, SZ_D); |
151
6b593ea0ed90
Implement MULU/MULS and DIVU/DIVS
Mike Pavone <pavone@retrodev.com>
parents:
150
diff
changeset
|
1743 } |
582
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1744 } else { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1745 mov_rdispr(code, dst_op->base, dst_op->disp, opts->gen.scratch2, SZ_D); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1746 if (src_op->mode == MODE_REG_DIRECT) { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1747 mov_rrdisp(code, src_op->base, dst_op->base, dst_op->disp, SZ_D); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1748 mov_rr(code, opts->gen.scratch2, src_op->base, SZ_D); |
151
6b593ea0ed90
Implement MULU/MULS and DIVU/DIVS
Mike Pavone <pavone@retrodev.com>
parents:
150
diff
changeset
|
1749 } else { |
582
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1750 mov_rdispr(code, src_op->base, src_op->disp, opts->gen.scratch1, SZ_D); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1751 mov_rrdisp(code, opts->gen.scratch1, dst_op->base, dst_op->disp, SZ_D); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1752 mov_rrdisp(code, opts->gen.scratch2, src_op->base, src_op->disp, SZ_D); |
151
6b593ea0ed90
Implement MULU/MULS and DIVU/DIVS
Mike Pavone <pavone@retrodev.com>
parents:
150
diff
changeset
|
1753 } |
582
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1754 } |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1755 } |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1756 |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1757 void translate_m68k_mul(m68k_options *opts, m68kinst *inst, host_ea *src_op, host_ea *dst_op) |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1758 { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1759 code_info *code = &opts->gen.code; |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1760 cycles(&opts->gen, 70); //TODO: Calculate the actual value based on the value of the <ea> parameter |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1761 if (src_op->mode == MODE_IMMED) { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1762 mov_ir(code, inst->op == M68K_MULU ? (src_op->disp & 0xFFFF) : ((src_op->disp & 0x8000) ? src_op->disp | 0xFFFF0000 : src_op->disp), opts->gen.scratch1, SZ_D); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1763 } else if (src_op->mode == MODE_REG_DIRECT) { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1764 if (inst->op == M68K_MULS) { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1765 movsx_rr(code, src_op->base, opts->gen.scratch1, SZ_W, SZ_D); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1766 } else { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1767 movzx_rr(code, src_op->base, opts->gen.scratch1, SZ_W, SZ_D); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1768 } |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1769 } else { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1770 if (inst->op == M68K_MULS) { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1771 movsx_rdispr(code, src_op->base, src_op->disp, opts->gen.scratch1, SZ_W, SZ_D); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1772 } else { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1773 movzx_rdispr(code, src_op->base, src_op->disp, opts->gen.scratch1, SZ_W, SZ_D); |
151
6b593ea0ed90
Implement MULU/MULS and DIVU/DIVS
Mike Pavone <pavone@retrodev.com>
parents:
150
diff
changeset
|
1774 } |
582
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1775 } |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1776 uint8_t dst_reg; |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1777 if (dst_op->mode == MODE_REG_DIRECT) { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1778 dst_reg = dst_op->base; |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1779 if (inst->op == M68K_MULS) { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1780 movsx_rr(code, dst_reg, dst_reg, SZ_W, SZ_D); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1781 } else { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1782 movzx_rr(code, dst_reg, dst_reg, SZ_W, SZ_D); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
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581
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|
1783 } |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
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581
diff
changeset
|
1784 } else { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1785 dst_reg = opts->gen.scratch2; |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
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581
diff
changeset
|
1786 if (inst->op == M68K_MULS) { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1787 movsx_rdispr(code, dst_op->base, dst_op->disp, opts->gen.scratch2, SZ_W, SZ_D); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1788 } else { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1789 movzx_rdispr(code, dst_op->base, dst_op->disp, opts->gen.scratch2, SZ_W, SZ_D); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
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diff
changeset
|
1790 } |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
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diff
changeset
|
1791 } |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1792 imul_rr(code, opts->gen.scratch1, dst_reg, SZ_D); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1793 if (dst_op->mode == MODE_REG_DISPLACE8) { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1794 mov_rrdisp(code, dst_reg, dst_op->base, dst_op->disp, SZ_D); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
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diff
changeset
|
1795 } |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
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diff
changeset
|
1796 cmp_ir(code, 0, dst_reg, SZ_D); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1797 update_flags(opts, N|Z|V0|C0); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
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diff
changeset
|
1798 } |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
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changeset
|
1799 |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
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changeset
|
1800 void translate_m68k_negx(m68k_options *opts, m68kinst *inst, host_ea *src_op, host_ea *dst_op) |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
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|
1801 { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
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changeset
|
1802 code_info *code = &opts->gen.code; |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
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diff
changeset
|
1803 cycles(&opts->gen, BUS); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
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diff
changeset
|
1804 if (dst_op->mode == MODE_REG_DIRECT) { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
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changeset
|
1805 if (dst_op->base == opts->gen.scratch1) { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
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diff
changeset
|
1806 push_r(code, opts->gen.scratch2); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
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581
diff
changeset
|
1807 xor_rr(code, opts->gen.scratch2, opts->gen.scratch2, inst->extra.size); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
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changeset
|
1808 flag_to_carry(opts, FLAG_X); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
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changeset
|
1809 sbb_rr(code, dst_op->base, opts->gen.scratch2, inst->extra.size); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
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changeset
|
1810 mov_rr(code, opts->gen.scratch2, dst_op->base, inst->extra.size); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
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changeset
|
1811 pop_r(code, opts->gen.scratch2); |
173 | 1812 } else { |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
1813 xor_rr(code, opts->gen.scratch1, opts->gen.scratch1, inst->extra.size); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
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558
diff
changeset
|
1814 flag_to_carry(opts, FLAG_X); |
582
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Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
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changeset
|
1815 sbb_rr(code, dst_op->base, opts->gen.scratch1, inst->extra.size); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
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|
1816 mov_rr(code, opts->gen.scratch1, dst_op->base, inst->extra.size); |
106 | 1817 } |
582
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Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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|
1818 } else { |
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Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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changeset
|
1819 xor_rr(code, opts->gen.scratch1, opts->gen.scratch1, inst->extra.size); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
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changeset
|
1820 flag_to_carry(opts, FLAG_X); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
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changeset
|
1821 sbb_rdispr(code, dst_op->base, dst_op->disp, opts->gen.scratch1, inst->extra.size); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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changeset
|
1822 mov_rrdisp(code, opts->gen.scratch1, dst_op->base, dst_op->disp, inst->extra.size); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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|
1823 } |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
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changeset
|
1824 set_flag_cond(opts, CC_C, FLAG_C); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1825 code_ptr after_flag_set = code->cur + 1; |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1826 jcc(code, CC_Z, code->cur + 2); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1827 set_flag(opts, 0, FLAG_Z); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
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changeset
|
1828 *after_flag_set = code->cur - (after_flag_set+1); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1829 set_flag_cond(opts, CC_S, FLAG_N); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1830 set_flag_cond(opts, CC_O, FLAG_V); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1831 if (opts->flag_regs[FLAG_C] >= 0) { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1832 flag_to_flag(opts, FLAG_C, FLAG_X); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1833 } else { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1834 set_flag_cond(opts, CC_C, FLAG_X); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1835 } |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1836 m68k_save_result(inst, opts); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1837 } |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1838 |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1839 void translate_m68k_rot(m68k_options *opts, m68kinst *inst, host_ea *src_op, host_ea *dst_op) |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1840 { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1841 code_info *code = &opts->gen.code; |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1842 int32_t init_flags = C|V0; |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1843 if (inst->src.addr_mode == MODE_UNUSED) { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1844 cycles(&opts->gen, BUS); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1845 //Memory rotate |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1846 if (inst->op == M68K_ROXR || inst->op == M68K_ROXL) { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1847 flag_to_carry(opts, FLAG_X); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
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diff
changeset
|
1848 init_flags |= X; |
106 | 1849 } |
582
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1850 op_ir(code, inst, 1, dst_op->base, inst->extra.size); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1851 update_flags(opts, init_flags); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1852 cmp_ir(code, 0, dst_op->base, inst->extra.size); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1853 update_flags(opts, Z|N); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
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diff
changeset
|
1854 m68k_save_result(inst, opts); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
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diff
changeset
|
1855 } else { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1856 if (src_op->mode == MODE_IMMED) { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1857 cycles(&opts->gen, (inst->extra.size == OPSIZE_LONG ? 8 : 6) + src_op->disp*2); |
577
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1858 if (inst->op == M68K_ROXR || inst->op == M68K_ROXL) { |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1859 flag_to_carry(opts, FLAG_X); |
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1860 init_flags |= X; |
122 | 1861 } |
582
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
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diff
changeset
|
1862 if (dst_op->mode == MODE_REG_DIRECT) { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1863 op_ir(code, inst, src_op->disp, dst_op->base, inst->extra.size); |
122 | 1864 } else { |
582
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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parents:
581
diff
changeset
|
1865 op_irdisp(code, inst, src_op->disp, dst_op->base, dst_op->disp, inst->extra.size); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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changeset
|
1866 } |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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parents:
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diff
changeset
|
1867 update_flags(opts, init_flags); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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diff
changeset
|
1868 } else { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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parents:
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diff
changeset
|
1869 if (src_op->mode == MODE_REG_DIRECT) { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
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diff
changeset
|
1870 if (src_op->base != opts->gen.scratch1) { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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parents:
581
diff
changeset
|
1871 mov_rr(code, src_op->base, opts->gen.scratch1, SZ_B); |
577
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1872 } |
582
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1873 } else { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1874 mov_rdispr(code, src_op->base, src_op->disp, opts->gen.scratch1, SZ_B); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1875 } |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1876 and_ir(code, 63, opts->gen.scratch1, SZ_D); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1877 code_ptr zero_off = code->cur + 1; |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1878 jcc(code, CC_Z, code->cur + 2); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1879 add_rr(code, opts->gen.scratch1, CYCLES, SZ_D); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1880 add_rr(code, opts->gen.scratch1, CYCLES, SZ_D); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1881 cmp_ir(code, 32, opts->gen.scratch1, SZ_B); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1882 code_ptr norm_off = code->cur + 1; |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1883 jcc(code, CC_L, code->cur + 2); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1884 if (inst->op == M68K_ROXR || inst->op == M68K_ROXL) { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1885 flag_to_carry(opts, FLAG_X); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1886 init_flags |= X; |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1887 } else { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1888 sub_ir(code, 32, opts->gen.scratch1, SZ_B); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1889 } |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1890 if (dst_op->mode == MODE_REG_DIRECT) { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1891 op_ir(code, inst, 31, dst_op->base, inst->extra.size); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1892 op_ir(code, inst, 1, dst_op->base, inst->extra.size); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1893 } else { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1894 op_irdisp(code, inst, 31, dst_op->base, dst_op->disp, inst->extra.size); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1895 op_irdisp(code, inst, 1, dst_op->base, dst_op->disp, inst->extra.size); |
122 | 1896 } |
582
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
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581
diff
changeset
|
1897 |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1898 if (inst->op == M68K_ROXR || inst->op == M68K_ROXL) { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
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diff
changeset
|
1899 set_flag_cond(opts, CC_C, FLAG_X); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
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581
diff
changeset
|
1900 sub_ir(code, 32, opts->gen.scratch1, SZ_B); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
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diff
changeset
|
1901 *norm_off = code->cur - (norm_off+1); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
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diff
changeset
|
1902 flag_to_carry(opts, FLAG_X); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
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diff
changeset
|
1903 } else { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
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diff
changeset
|
1904 *norm_off = code->cur - (norm_off+1); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
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changeset
|
1905 } |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
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diff
changeset
|
1906 if (dst_op->mode == MODE_REG_DIRECT) { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
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diff
changeset
|
1907 op_r(code, inst, dst_op->base, inst->extra.size); |
122 | 1908 } else { |
582
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
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diff
changeset
|
1909 op_rdisp(code, inst, dst_op->base, dst_op->disp, inst->extra.size); |
122 | 1910 } |
582
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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changeset
|
1911 update_flags(opts, init_flags); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1912 code_ptr end_off = code->cur + 1; |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
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diff
changeset
|
1913 jmp(code, code->cur + 2); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
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diff
changeset
|
1914 *zero_off = code->cur - (zero_off+1); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
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diff
changeset
|
1915 if (inst->op == M68K_ROXR || inst->op == M68K_ROXL) { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
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diff
changeset
|
1916 //Carry flag is set to X flag when count is 0, this is different from ROR/ROL |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1917 flag_to_flag(opts, FLAG_X, FLAG_C); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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changeset
|
1918 } else { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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diff
changeset
|
1919 set_flag(opts, 0, FLAG_C); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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parents:
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changeset
|
1920 } |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1921 *end_off = code->cur - (end_off+1); |
122 | 1922 } |
582
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1923 if (dst_op->mode == MODE_REG_DIRECT) { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1924 cmp_ir(code, 0, dst_op->base, inst->extra.size); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1925 } else { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1926 cmp_irdisp(code, 0, dst_op->base, dst_op->disp, inst->extra.size); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1927 } |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1928 update_flags(opts, Z|N); |
577
0f367276a80c
Refactor a bunch of the arithmetic instructions in the 68K core to reduce duplicate code
Michael Pavone <pavone@retrodev.com>
parents:
576
diff
changeset
|
1929 } |
582
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1930 } |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1931 |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1932 void translate_m68k_illegal(m68k_options *opts, m68kinst *inst) |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1933 { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1934 code_info *code = &opts->gen.code; |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1935 call(code, opts->gen.save_context); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1936 #ifdef X86_64 |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1937 mov_rr(code, opts->gen.context_reg, RDI, SZ_PTR); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
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diff
changeset
|
1938 #else |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1939 push_r(code, opts->gen.context_reg); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
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diff
changeset
|
1940 #endif |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1941 call(code, (code_ptr)print_regs_exit); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1942 } |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1943 |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1944 #define BIT_SUPERVISOR 5 |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1945 |
584
b6713c1b6f55
Combine andi ccr/sr and ori ccr/sr.
Michael Pavone <pavone@retrodev.com>
parents:
583
diff
changeset
|
1946 void translate_m68k_andi_ori_ccr_sr(m68k_options *opts, m68kinst *inst) |
582
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1947 { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1948 code_info *code = &opts->gen.code; |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1949 cycles(&opts->gen, 20); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1950 //TODO: If ANDI to SR, trap if not in supervisor mode |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1951 uint32_t flag_mask = 0; |
584
b6713c1b6f55
Combine andi ccr/sr and ori ccr/sr.
Michael Pavone <pavone@retrodev.com>
parents:
583
diff
changeset
|
1952 uint32_t base_flag = inst->op == M68K_ANDI_SR || inst->op == M68K_ANDI_CCR ? X0 : X1; |
b6713c1b6f55
Combine andi ccr/sr and ori ccr/sr.
Michael Pavone <pavone@retrodev.com>
parents:
583
diff
changeset
|
1953 for (int i = 0; i < 5; i++) |
b6713c1b6f55
Combine andi ccr/sr and ori ccr/sr.
Michael Pavone <pavone@retrodev.com>
parents:
583
diff
changeset
|
1954 { |
b6713c1b6f55
Combine andi ccr/sr and ori ccr/sr.
Michael Pavone <pavone@retrodev.com>
parents:
583
diff
changeset
|
1955 if ((base_flag == X0) ^ (inst->src.params.immed & 1 << i) > 0) |
b6713c1b6f55
Combine andi ccr/sr and ori ccr/sr.
Michael Pavone <pavone@retrodev.com>
parents:
583
diff
changeset
|
1956 { |
b6713c1b6f55
Combine andi ccr/sr and ori ccr/sr.
Michael Pavone <pavone@retrodev.com>
parents:
583
diff
changeset
|
1957 flag_mask |= base_flag << ((4 - i) * 3); |
b6713c1b6f55
Combine andi ccr/sr and ori ccr/sr.
Michael Pavone <pavone@retrodev.com>
parents:
583
diff
changeset
|
1958 } |
582
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1959 } |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1960 update_flags(opts, flag_mask); |
584
b6713c1b6f55
Combine andi ccr/sr and ori ccr/sr.
Michael Pavone <pavone@retrodev.com>
parents:
583
diff
changeset
|
1961 if (inst->op == M68K_ANDI_SR || inst->op == M68K_ORI_SR) { |
b6713c1b6f55
Combine andi ccr/sr and ori ccr/sr.
Michael Pavone <pavone@retrodev.com>
parents:
583
diff
changeset
|
1962 if (inst->op == M68K_ANDI_SR) { |
b6713c1b6f55
Combine andi ccr/sr and ori ccr/sr.
Michael Pavone <pavone@retrodev.com>
parents:
583
diff
changeset
|
1963 and_irdisp(code, inst->src.params.immed >> 8, opts->gen.context_reg, offsetof(m68k_context, status), SZ_B); |
b6713c1b6f55
Combine andi ccr/sr and ori ccr/sr.
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diff
changeset
|
1964 } else { |
b6713c1b6f55
Combine andi ccr/sr and ori ccr/sr.
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parents:
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diff
changeset
|
1965 or_irdisp(code, inst->src.params.immed >> 8, opts->gen.context_reg, offsetof(m68k_context, status), SZ_B); |
b6713c1b6f55
Combine andi ccr/sr and ori ccr/sr.
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parents:
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diff
changeset
|
1966 } |
605
49d9928353be
Fix a bug in ori to SR that was swapping USP and SSP inappropriately
Michael Pavone <pavone@retrodev.com>
parents:
601
diff
changeset
|
1967 if (inst->op == M68K_ANDI_SR && !(inst->src.params.immed & (1 << (BIT_SUPERVISOR + 8)))) { |
446
1e828ed04a7c
Implement 68K stop instruction
Mike Pavone <pavone@retrodev.com>
parents:
443
diff
changeset
|
1968 //leave supervisor mode |
574
1594525e2157
More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts
Michael Pavone <pavone@retrodev.com>
parents:
571
diff
changeset
|
1969 swap_ssp_usp(opts); |
446
1e828ed04a7c
Implement 68K stop instruction
Mike Pavone <pavone@retrodev.com>
parents:
443
diff
changeset
|
1970 } |
584
b6713c1b6f55
Combine andi ccr/sr and ori ccr/sr.
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parents:
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diff
changeset
|
1971 if ((inst->op == M68K_ANDI_SR && (inst->src.params.immed & 0x700) != 0x700) |
b6713c1b6f55
Combine andi ccr/sr and ori ccr/sr.
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parents:
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diff
changeset
|
1972 || (inst->op == M68K_ORI_SR && inst->src.params.immed & 0x700)) { |
582
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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parents:
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diff
changeset
|
1973 call(code, opts->do_sync); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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parents:
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diff
changeset
|
1974 } |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
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diff
changeset
|
1975 } |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
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diff
changeset
|
1976 } |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
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diff
changeset
|
1977 |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
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diff
changeset
|
1978 void translate_m68k_eori_ccr_sr(m68k_options *opts, m68kinst *inst) |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1979 { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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parents:
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diff
changeset
|
1980 code_info *code = &opts->gen.code; |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
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diff
changeset
|
1981 cycles(&opts->gen, 20); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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parents:
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diff
changeset
|
1982 //TODO: If ANDI to SR, trap if not in supervisor mode |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
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diff
changeset
|
1983 if (inst->src.params.immed & 0x1) { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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parents:
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diff
changeset
|
1984 xor_flag(opts, 1, FLAG_C); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
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diff
changeset
|
1985 } |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1986 if (inst->src.params.immed & 0x2) { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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parents:
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diff
changeset
|
1987 xor_flag(opts, 1, FLAG_V); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
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diff
changeset
|
1988 } |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1989 if (inst->src.params.immed & 0x4) { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1990 xor_flag(opts, 1, FLAG_Z); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1991 } |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1992 if (inst->src.params.immed & 0x8) { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1993 xor_flag(opts, 1, FLAG_N); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1994 } |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1995 if (inst->src.params.immed & 0x10) { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1996 xor_flag(opts, 1, FLAG_X); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1997 } |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1998 if (inst->op == M68K_ORI_SR) { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
1999 xor_irdisp(code, inst->src.params.immed >> 8, opts->gen.context_reg, offsetof(m68k_context, status), SZ_B); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
2000 if (inst->src.params.immed & 0x700) { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
2001 call(code, opts->do_sync); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
2002 } |
446
1e828ed04a7c
Implement 68K stop instruction
Mike Pavone <pavone@retrodev.com>
parents:
443
diff
changeset
|
2003 } |
582
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
2004 } |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
2005 |
586
aa35ccb90aa9
Minor refactor to translate_m68k_move_ccr_sr and translate_m68k_stop to reduce code duplication
Michael Pavone <pavone@retrodev.com>
parents:
585
diff
changeset
|
2006 void set_all_flags(m68k_options *opts, uint8_t flags) |
aa35ccb90aa9
Minor refactor to translate_m68k_move_ccr_sr and translate_m68k_stop to reduce code duplication
Michael Pavone <pavone@retrodev.com>
parents:
585
diff
changeset
|
2007 { |
aa35ccb90aa9
Minor refactor to translate_m68k_move_ccr_sr and translate_m68k_stop to reduce code duplication
Michael Pavone <pavone@retrodev.com>
parents:
585
diff
changeset
|
2008 uint32_t flag_mask = flags & 0x10 ? X1 : X0; |
aa35ccb90aa9
Minor refactor to translate_m68k_move_ccr_sr and translate_m68k_stop to reduce code duplication
Michael Pavone <pavone@retrodev.com>
parents:
585
diff
changeset
|
2009 flag_mask |= flags & 0x8 ? N1 : N0; |
aa35ccb90aa9
Minor refactor to translate_m68k_move_ccr_sr and translate_m68k_stop to reduce code duplication
Michael Pavone <pavone@retrodev.com>
parents:
585
diff
changeset
|
2010 flag_mask |= flags & 0x4 ? Z1 : Z0; |
aa35ccb90aa9
Minor refactor to translate_m68k_move_ccr_sr and translate_m68k_stop to reduce code duplication
Michael Pavone <pavone@retrodev.com>
parents:
585
diff
changeset
|
2011 flag_mask |= flags & 0x2 ? V1 : V0; |
aa35ccb90aa9
Minor refactor to translate_m68k_move_ccr_sr and translate_m68k_stop to reduce code duplication
Michael Pavone <pavone@retrodev.com>
parents:
585
diff
changeset
|
2012 flag_mask |= flags & 0x1 ? C1 : C0; |
aa35ccb90aa9
Minor refactor to translate_m68k_move_ccr_sr and translate_m68k_stop to reduce code duplication
Michael Pavone <pavone@retrodev.com>
parents:
585
diff
changeset
|
2013 update_flags(opts, flag_mask); |
aa35ccb90aa9
Minor refactor to translate_m68k_move_ccr_sr and translate_m68k_stop to reduce code duplication
Michael Pavone <pavone@retrodev.com>
parents:
585
diff
changeset
|
2014 } |
aa35ccb90aa9
Minor refactor to translate_m68k_move_ccr_sr and translate_m68k_stop to reduce code duplication
Michael Pavone <pavone@retrodev.com>
parents:
585
diff
changeset
|
2015 |
582
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
2016 void translate_m68k_move_ccr_sr(m68k_options *opts, m68kinst *inst, host_ea *src_op, host_ea *dst_op) |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
2017 { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
2018 code_info *code = &opts->gen.code; |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
2019 //TODO: Privilege check for MOVE to SR |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
2020 if (src_op->mode == MODE_IMMED) { |
586
aa35ccb90aa9
Minor refactor to translate_m68k_move_ccr_sr and translate_m68k_stop to reduce code duplication
Michael Pavone <pavone@retrodev.com>
parents:
585
diff
changeset
|
2021 set_all_flags(opts, src_op->disp); |
582
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
2022 if (inst->op == M68K_MOVE_SR) { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
2023 mov_irdisp(code, (src_op->disp >> 8), opts->gen.context_reg, offsetof(m68k_context, status), SZ_B); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
2024 if (!((inst->src.params.immed >> 8) & (1 << BIT_SUPERVISOR))) { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
2025 //leave supervisor mode |
585
82aadd5d103a
Use swap_ssp_usp in translate_m68k_move_ccr_sr
Michael Pavone <pavone@retrodev.com>
parents:
584
diff
changeset
|
2026 swap_ssp_usp(opts); |
582
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
2027 } |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
2028 call(code, opts->do_sync); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
2029 } |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
2030 cycles(&opts->gen, 12); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
2031 } else { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
2032 if (src_op->base != opts->gen.scratch1) { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
2033 if (src_op->mode == MODE_REG_DIRECT) { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
2034 mov_rr(code, src_op->base, opts->gen.scratch1, SZ_W); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
2035 } else { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
2036 mov_rdispr(code, src_op->base, src_op->disp, opts->gen.scratch1, SZ_W); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
2037 } |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
2038 } |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
2039 call(code, inst->op == M68K_MOVE_SR ? opts->set_sr : opts->set_ccr); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
2040 cycles(&opts->gen, 12); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
2041 } |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
2042 } |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
2043 |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
2044 void translate_m68k_stop(m68k_options *opts, m68kinst *inst) |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
2045 { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
2046 //TODO: Trap if not in system mode |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
2047 //manual says 4 cycles, but it has to be at least 8 since it's a 2-word instruction |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
2048 //possibly even 12 since that's how long MOVE to SR takes |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
2049 //On further thought prefetch + the fact that this stops the CPU may make |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
2050 //Motorola's accounting make sense here |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
2051 code_info *code = &opts->gen.code; |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
2052 cycles(&opts->gen, BUS*2); |
586
aa35ccb90aa9
Minor refactor to translate_m68k_move_ccr_sr and translate_m68k_stop to reduce code duplication
Michael Pavone <pavone@retrodev.com>
parents:
585
diff
changeset
|
2053 set_all_flags(opts, inst->src.params.immed); |
582
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
2054 mov_irdisp(code, (inst->src.params.immed >> 8), opts->gen.context_reg, offsetof(m68k_context, status), SZ_B); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
2055 if (!((inst->src.params.immed >> 8) & (1 << BIT_SUPERVISOR))) { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
2056 //leave supervisor mode |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
2057 swap_ssp_usp(opts); |
14
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
2058 } |
582
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
2059 code_ptr loop_top = code->cur; |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
2060 call(code, opts->do_sync); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
2061 cmp_rr(code, opts->gen.limit, opts->gen.cycles, SZ_D); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
2062 code_ptr normal_cycle_up = code->cur + 1; |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
2063 jcc(code, CC_A, code->cur + 2); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
2064 cycles(&opts->gen, BUS); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
2065 code_ptr after_cycle_up = code->cur + 1; |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
2066 jmp(code, code->cur + 2); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
2067 *normal_cycle_up = code->cur - (normal_cycle_up + 1); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
2068 mov_rr(code, opts->gen.limit, opts->gen.cycles, SZ_D); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
2069 *after_cycle_up = code->cur - (after_cycle_up+1); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
2070 cmp_rdispr(code, opts->gen.context_reg, offsetof(m68k_context, int_cycle), opts->gen.cycles, SZ_D); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
2071 jcc(code, CC_C, loop_top); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
2072 } |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
2073 |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
2074 void translate_m68k_move_from_sr(m68k_options *opts, m68kinst *inst, host_ea *src_op, host_ea *dst_op) |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
2075 { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
2076 code_info *code = &opts->gen.code; |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
2077 //TODO: Trap if not in system mode |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
2078 call(code, opts->get_sr); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
2079 if (dst_op->mode == MODE_REG_DIRECT) { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
2080 mov_rr(code, opts->gen.scratch1, dst_op->base, SZ_W); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
2081 } else { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
2082 mov_rrdisp(code, opts->gen.scratch1, dst_op->base, dst_op->disp, SZ_W); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
2083 } |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
2084 m68k_save_result(inst, opts); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
2085 } |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
2086 |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
2087 void translate_m68k_reset(m68k_options *opts, m68kinst *inst) |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
2088 { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
2089 code_info *code = &opts->gen.code; |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
2090 call(code, opts->gen.save_context); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
2091 #ifdef X86_64 |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
2092 mov_rr(code, opts->gen.context_reg, RDI, SZ_PTR); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
2093 #else |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
2094 push_r(code, opts->gen.context_reg); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
2095 #endif |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
2096 call(code, (code_ptr)print_regs_exit); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
2097 } |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
2098 |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
2099 void translate_m68k_rte(m68k_options *opts, m68kinst *inst) |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
2100 { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
2101 code_info *code = &opts->gen.code; |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
2102 //TODO: Trap if not in system mode |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
2103 //Read saved SR |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
2104 areg_to_native(opts, 7, opts->gen.scratch1); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
2105 call(code, opts->read_16); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
2106 addi_areg(opts, 2, 7); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
2107 call(code, opts->set_sr); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
2108 //Read saved PC |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
2109 areg_to_native(opts, 7, opts->gen.scratch1); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
2110 call(code, opts->read_32); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
2111 addi_areg(opts, 4, 7); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
2112 //Check if we've switched to user mode and swap stack pointers if needed |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
2113 bt_irdisp(code, 5, opts->gen.context_reg, offsetof(m68k_context, status), SZ_B); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
2114 code_ptr end_off = code->cur + 1; |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
2115 jcc(code, CC_C, code->cur + 2); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
2116 swap_ssp_usp(opts); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
2117 *end_off = code->cur - (end_off+1); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
2118 //Get native address, sync components, recalculate integer points and jump to returned address |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
2119 call(code, opts->native_addr_and_sync); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
2120 jmp_r(code, opts->gen.scratch1); |
14
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
2121 } |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
2122 |
570
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
569
diff
changeset
|
2123 void translate_out_of_bounds(code_info *code) |
319
0bcab0475a7f
Port instruction retranslation improvements from Z80 core to M68K core
Mike Pavone <pavone@retrodev.com>
parents:
235
diff
changeset
|
2124 { |
570
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
569
diff
changeset
|
2125 xor_rr(code, RDI, RDI, SZ_D); |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
569
diff
changeset
|
2126 #ifdef X86_32 |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
569
diff
changeset
|
2127 push_r(code, RDI); |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
569
diff
changeset
|
2128 #endif |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
569
diff
changeset
|
2129 call(code, (code_ptr)exit); |
319
0bcab0475a7f
Port instruction retranslation improvements from Z80 core to M68K core
Mike Pavone <pavone@retrodev.com>
parents:
235
diff
changeset
|
2130 } |
0bcab0475a7f
Port instruction retranslation improvements from Z80 core to M68K core
Mike Pavone <pavone@retrodev.com>
parents:
235
diff
changeset
|
2131 |
587
55c5b0f913ce
Made m68k_retranslate_inst host-cpu generic and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
586
diff
changeset
|
2132 void nop_fill_or_jmp_next(code_info *code, code_ptr old_end, code_ptr next_inst) |
55c5b0f913ce
Made m68k_retranslate_inst host-cpu generic and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
586
diff
changeset
|
2133 { |
55c5b0f913ce
Made m68k_retranslate_inst host-cpu generic and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
586
diff
changeset
|
2134 if (next_inst == old_end && next_inst - code->cur < 2) { |
55c5b0f913ce
Made m68k_retranslate_inst host-cpu generic and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
586
diff
changeset
|
2135 while (code->cur < old_end) { |
55c5b0f913ce
Made m68k_retranslate_inst host-cpu generic and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
586
diff
changeset
|
2136 *(code->cur++) = 0x90; //NOP |
193
c66e4636f991
Implement support for self-modifying code
Mike Pavone <pavone@retrodev.com>
parents:
192
diff
changeset
|
2137 } |
c66e4636f991
Implement support for self-modifying code
Mike Pavone <pavone@retrodev.com>
parents:
192
diff
changeset
|
2138 } else { |
587
55c5b0f913ce
Made m68k_retranslate_inst host-cpu generic and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
586
diff
changeset
|
2139 jmp(code, next_inst); |
193
c66e4636f991
Implement support for self-modifying code
Mike Pavone <pavone@retrodev.com>
parents:
192
diff
changeset
|
2140 } |
c66e4636f991
Implement support for self-modifying code
Mike Pavone <pavone@retrodev.com>
parents:
192
diff
changeset
|
2141 } |
c66e4636f991
Implement support for self-modifying code
Mike Pavone <pavone@retrodev.com>
parents:
192
diff
changeset
|
2142 |
c66e4636f991
Implement support for self-modifying code
Mike Pavone <pavone@retrodev.com>
parents:
192
diff
changeset
|
2143 m68k_context * m68k_handle_code_write(uint32_t address, m68k_context * context) |
c66e4636f991
Implement support for self-modifying code
Mike Pavone <pavone@retrodev.com>
parents:
192
diff
changeset
|
2144 { |
c66e4636f991
Implement support for self-modifying code
Mike Pavone <pavone@retrodev.com>
parents:
192
diff
changeset
|
2145 uint32_t inst_start = get_instruction_start(context->native_code_map, address | 0xFF0000); |
c66e4636f991
Implement support for self-modifying code
Mike Pavone <pavone@retrodev.com>
parents:
192
diff
changeset
|
2146 if (inst_start) { |
569
9b7fcf748be0
Rename x86_68k_options and m68k_to_x86.h to m68k_options and m68k_core.h respectively
Michael Pavone <pavone@retrodev.com>
parents:
567
diff
changeset
|
2147 m68k_options * options = context->options; |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2148 code_info *code = &options->gen.code; |
558
dc9f178085a0
Use a typedef code_ptr in place of uint8_t * in 68K core to better support host instruction sets with different instruction word sizes. Make x86_68k_options contain a cpu_options so that gen_mem_fun can eventually be shared with the Z80 core.
Mike Pavone <pavone@retrodev.com>
parents:
557
diff
changeset
|
2149 code_ptr dst = get_native_address(context->native_code_map, inst_start); |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2150 code_info orig; |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2151 orig.cur = dst; |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2152 orig.last = dst + 128; |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2153 mov_ir(&orig, inst_start, options->gen.scratch2, SZ_D); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2154 |
543
915a1cb98bac
Generate retrans_stub at runtime so it can use the generated save/load_context functions
Michael Pavone <pavone@retrodev.com>
parents:
542
diff
changeset
|
2155 if (!options->retrans_stub) { |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2156 options->retrans_stub = code->cur; |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2157 call(code, options->gen.save_context); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2158 push_r(code, options->gen.context_reg); |
550
96489fb27dbf
Apart from the Z80 core, BlastEm now supports 32-bit x86
Michael Pavone <pavone@retrodev.com>
parents:
548
diff
changeset
|
2159 #ifdef X86_32 |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2160 push_r(code, options->gen.context_reg); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2161 push_r(code, options->gen.scratch2); |
550
96489fb27dbf
Apart from the Z80 core, BlastEm now supports 32-bit x86
Michael Pavone <pavone@retrodev.com>
parents:
548
diff
changeset
|
2162 #endif |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2163 call(code, (code_ptr)m68k_retranslate_inst); |
550
96489fb27dbf
Apart from the Z80 core, BlastEm now supports 32-bit x86
Michael Pavone <pavone@retrodev.com>
parents:
548
diff
changeset
|
2164 #ifdef X86_32 |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2165 add_ir(code, 8, RSP, SZ_D); |
550
96489fb27dbf
Apart from the Z80 core, BlastEm now supports 32-bit x86
Michael Pavone <pavone@retrodev.com>
parents:
548
diff
changeset
|
2166 #endif |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2167 pop_r(code, options->gen.context_reg); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2168 mov_rr(code, RAX, options->gen.scratch1, SZ_PTR); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2169 call(code, options->gen.load_context); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2170 jmp_r(code, options->gen.scratch1); |
543
915a1cb98bac
Generate retrans_stub at runtime so it can use the generated save/load_context functions
Michael Pavone <pavone@retrodev.com>
parents:
542
diff
changeset
|
2171 } |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2172 jmp(&orig, options->retrans_stub); |
193
c66e4636f991
Implement support for self-modifying code
Mike Pavone <pavone@retrodev.com>
parents:
192
diff
changeset
|
2173 } |
c66e4636f991
Implement support for self-modifying code
Mike Pavone <pavone@retrodev.com>
parents:
192
diff
changeset
|
2174 return context; |
c66e4636f991
Implement support for self-modifying code
Mike Pavone <pavone@retrodev.com>
parents:
192
diff
changeset
|
2175 } |
c66e4636f991
Implement support for self-modifying code
Mike Pavone <pavone@retrodev.com>
parents:
192
diff
changeset
|
2176 |
558
dc9f178085a0
Use a typedef code_ptr in place of uint8_t * in 68K core to better support host instruction sets with different instruction word sizes. Make x86_68k_options contain a cpu_options so that gen_mem_fun can eventually be shared with the Z80 core.
Mike Pavone <pavone@retrodev.com>
parents:
557
diff
changeset
|
2177 void insert_breakpoint(m68k_context * context, uint32_t address, code_ptr bp_handler) |
184
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
183
diff
changeset
|
2178 { |
558
dc9f178085a0
Use a typedef code_ptr in place of uint8_t * in 68K core to better support host instruction sets with different instruction word sizes. Make x86_68k_options contain a cpu_options so that gen_mem_fun can eventually be shared with the Z80 core.
Mike Pavone <pavone@retrodev.com>
parents:
557
diff
changeset
|
2179 static code_ptr bp_stub = NULL; |
569
9b7fcf748be0
Rename x86_68k_options and m68k_to_x86.h to m68k_options and m68k_core.h respectively
Michael Pavone <pavone@retrodev.com>
parents:
567
diff
changeset
|
2180 m68k_options * opts = context->options; |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2181 code_info native; |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2182 native.cur = get_native_address_trans(context, address); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2183 native.last = native.cur + 128; |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2184 code_ptr start_native = native.cur; |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2185 mov_ir(&native, address, opts->gen.scratch1, SZ_D); |
184
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
183
diff
changeset
|
2186 if (!bp_stub) { |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2187 code_info *code = &opts->gen.code; |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2188 check_alloc_code(code, 5); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2189 bp_stub = code->cur; |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2190 call(&native, bp_stub); |
447
e730fc040169
Fix performance regression from stop instruction work
Mike Pavone <pavone@retrodev.com>
parents:
446
diff
changeset
|
2191 |
184
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
183
diff
changeset
|
2192 //Calculate length of prologue |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2193 check_cycles_int(&opts->gen, address); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2194 int check_int_size = code->cur-bp_stub; |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2195 code->cur = bp_stub; |
447
e730fc040169
Fix performance regression from stop instruction work
Mike Pavone <pavone@retrodev.com>
parents:
446
diff
changeset
|
2196 |
184
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
183
diff
changeset
|
2197 //Save context and call breakpoint handler |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2198 call(code, opts->gen.save_context); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2199 push_r(code, opts->gen.scratch1); |
550
96489fb27dbf
Apart from the Z80 core, BlastEm now supports 32-bit x86
Michael Pavone <pavone@retrodev.com>
parents:
548
diff
changeset
|
2200 #ifdef X86_64 |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2201 mov_rr(code, opts->gen.context_reg, RDI, SZ_PTR); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2202 mov_rr(code, opts->gen.scratch1, RSI, SZ_D); |
550
96489fb27dbf
Apart from the Z80 core, BlastEm now supports 32-bit x86
Michael Pavone <pavone@retrodev.com>
parents:
548
diff
changeset
|
2203 #else |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2204 push_r(code, opts->gen.scratch1); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2205 push_r(code, opts->gen.context_reg); |
550
96489fb27dbf
Apart from the Z80 core, BlastEm now supports 32-bit x86
Michael Pavone <pavone@retrodev.com>
parents:
548
diff
changeset
|
2206 #endif |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2207 call(code, bp_handler); |
550
96489fb27dbf
Apart from the Z80 core, BlastEm now supports 32-bit x86
Michael Pavone <pavone@retrodev.com>
parents:
548
diff
changeset
|
2208 #ifdef X86_32 |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2209 add_ir(code, 8, RSP, SZ_D); |
550
96489fb27dbf
Apart from the Z80 core, BlastEm now supports 32-bit x86
Michael Pavone <pavone@retrodev.com>
parents:
548
diff
changeset
|
2210 #endif |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2211 mov_rr(code, RAX, opts->gen.context_reg, SZ_PTR); |
184
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
183
diff
changeset
|
2212 //Restore context |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2213 call(code, opts->gen.load_context); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2214 pop_r(code, opts->gen.scratch1); |
184
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
183
diff
changeset
|
2215 //do prologue stuff |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2216 cmp_rr(code, opts->gen.cycles, opts->gen.limit, SZ_D); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2217 code_ptr jmp_off = code->cur + 1; |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2218 jcc(code, CC_NC, code->cur + 7); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2219 call(code, opts->gen.handle_cycle_limit_int); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2220 *jmp_off = code->cur - (jmp_off+1); |
184
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
183
diff
changeset
|
2221 //jump back to body of translated instruction |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2222 pop_r(code, opts->gen.scratch1); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2223 add_ir(code, check_int_size - (native.cur-start_native), opts->gen.scratch1, SZ_PTR); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2224 jmp_r(code, opts->gen.scratch1); |
184
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
183
diff
changeset
|
2225 } else { |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2226 call(&native, bp_stub); |
184
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
183
diff
changeset
|
2227 } |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
183
diff
changeset
|
2228 } |
ebcbdd1c4cc8
Fix a bunch of bugs in the CPU core, add a 68K debugger
Mike Pavone <pavone@retrodev.com>
parents:
183
diff
changeset
|
2229 |
570
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
569
diff
changeset
|
2230 void init_m68k_opts(m68k_options * opts, memmap_chunk * memmap, uint32_t num_chunks) |
18
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
2231 { |
440 | 2232 memset(opts, 0, sizeof(*opts)); |
589
2dde38c1744f
Split gen_mem_fun out of m68k_core_x86 and make it more generic so it can be used by the Z80 core
Michael Pavone <pavone@retrodev.com>
parents:
588
diff
changeset
|
2233 opts->gen.address_size = SZ_D; |
2dde38c1744f
Split gen_mem_fun out of m68k_core_x86 and make it more generic so it can be used by the Z80 core
Michael Pavone <pavone@retrodev.com>
parents:
588
diff
changeset
|
2234 opts->gen.address_mask = 0xFFFFFF; |
596
9853bcce4729
Set the byte_swap flag in the M68K core so gen_mem_fun correctly inserts xor instructions for byte access functions
Michael Pavone <pavone@retrodev.com>
parents:
590
diff
changeset
|
2235 opts->gen.byte_swap = 1; |
589
2dde38c1744f
Split gen_mem_fun out of m68k_core_x86 and make it more generic so it can be used by the Z80 core
Michael Pavone <pavone@retrodev.com>
parents:
588
diff
changeset
|
2236 opts->gen.max_address = 0x1000000; |
2dde38c1744f
Split gen_mem_fun out of m68k_core_x86 and make it more generic so it can be used by the Z80 core
Michael Pavone <pavone@retrodev.com>
parents:
588
diff
changeset
|
2237 opts->gen.bus_cycles = BUS; |
2dde38c1744f
Split gen_mem_fun out of m68k_core_x86 and make it more generic so it can be used by the Z80 core
Michael Pavone <pavone@retrodev.com>
parents:
588
diff
changeset
|
2238 opts->gen.mem_ptr_off = offsetof(m68k_context, mem_pointers); |
2dde38c1744f
Split gen_mem_fun out of m68k_core_x86 and make it more generic so it can be used by the Z80 core
Michael Pavone <pavone@retrodev.com>
parents:
588
diff
changeset
|
2239 opts->gen.ram_flags_off = offsetof(m68k_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:
612
diff
changeset
|
2240 opts->gen.ram_flags_shift = 11; |
18
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
2241 for (int i = 0; i < 8; i++) |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2242 { |
18
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
2243 opts->dregs[i] = opts->aregs[i] = -1; |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2244 } |
548
a3afee2271ce
Initial work on the x86-32 target
Michael Pavone <pavone@retrodev.com>
parents:
547
diff
changeset
|
2245 #ifdef X86_64 |
18
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
2246 opts->dregs[0] = R10; |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
2247 opts->dregs[1] = R11; |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
2248 opts->dregs[2] = R12; |
423
8e136187c0e0
Use the registers that were freed up by the memory map function changes
Mike Pavone <pavone@retrodev.com>
parents:
352
diff
changeset
|
2249 opts->dregs[3] = R8; |
18
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
2250 opts->aregs[0] = R13; |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
2251 opts->aregs[1] = R14; |
423
8e136187c0e0
Use the registers that were freed up by the memory map function changes
Mike Pavone <pavone@retrodev.com>
parents:
352
diff
changeset
|
2252 opts->aregs[2] = R9; |
18
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
2253 opts->aregs[7] = R15; |
539
c2716b502a81
Generate save_context and load_context functions at runtime
Michael Pavone <pavone@retrodev.com>
parents:
516
diff
changeset
|
2254 |
c2716b502a81
Generate save_context and load_context functions at runtime
Michael Pavone <pavone@retrodev.com>
parents:
516
diff
changeset
|
2255 opts->flag_regs[0] = -1; |
c2716b502a81
Generate save_context and load_context functions at runtime
Michael Pavone <pavone@retrodev.com>
parents:
516
diff
changeset
|
2256 opts->flag_regs[1] = RBX; |
c2716b502a81
Generate save_context and load_context functions at runtime
Michael Pavone <pavone@retrodev.com>
parents:
516
diff
changeset
|
2257 opts->flag_regs[2] = RDX; |
c2716b502a81
Generate save_context and load_context functions at runtime
Michael Pavone <pavone@retrodev.com>
parents:
516
diff
changeset
|
2258 opts->flag_regs[3] = BH; |
c2716b502a81
Generate save_context and load_context functions at runtime
Michael Pavone <pavone@retrodev.com>
parents:
516
diff
changeset
|
2259 opts->flag_regs[4] = DH; |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2260 |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2261 opts->gen.scratch2 = RDI; |
548
a3afee2271ce
Initial work on the x86-32 target
Michael Pavone <pavone@retrodev.com>
parents:
547
diff
changeset
|
2262 #else |
a3afee2271ce
Initial work on the x86-32 target
Michael Pavone <pavone@retrodev.com>
parents:
547
diff
changeset
|
2263 opts->dregs[0] = RDX; |
a3afee2271ce
Initial work on the x86-32 target
Michael Pavone <pavone@retrodev.com>
parents:
547
diff
changeset
|
2264 opts->aregs[7] = RDI; |
a3afee2271ce
Initial work on the x86-32 target
Michael Pavone <pavone@retrodev.com>
parents:
547
diff
changeset
|
2265 |
a3afee2271ce
Initial work on the x86-32 target
Michael Pavone <pavone@retrodev.com>
parents:
547
diff
changeset
|
2266 for (int i = 0; i < 5; i++) |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2267 { |
548
a3afee2271ce
Initial work on the x86-32 target
Michael Pavone <pavone@retrodev.com>
parents:
547
diff
changeset
|
2268 opts->flag_regs[i] = -1; |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2269 } |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2270 opts->gen.scratch2 = RBX; |
548
a3afee2271ce
Initial work on the x86-32 target
Michael Pavone <pavone@retrodev.com>
parents:
547
diff
changeset
|
2271 #endif |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2272 opts->gen.context_reg = RSI; |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2273 opts->gen.cycles = RAX; |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2274 opts->gen.limit = RBP; |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2275 opts->gen.scratch1 = RCX; |
548
a3afee2271ce
Initial work on the x86-32 target
Michael Pavone <pavone@retrodev.com>
parents:
547
diff
changeset
|
2276 |
a3afee2271ce
Initial work on the x86-32 target
Michael Pavone <pavone@retrodev.com>
parents:
547
diff
changeset
|
2277 |
558
dc9f178085a0
Use a typedef code_ptr in place of uint8_t * in 68K core to better support host instruction sets with different instruction word sizes. Make x86_68k_options contain a cpu_options so that gen_mem_fun can eventually be shared with the Z80 core.
Mike Pavone <pavone@retrodev.com>
parents:
557
diff
changeset
|
2278 opts->gen.native_code_map = malloc(sizeof(native_map_slot) * NATIVE_MAP_CHUNKS); |
dc9f178085a0
Use a typedef code_ptr in place of uint8_t * in 68K core to better support host instruction sets with different instruction word sizes. Make x86_68k_options contain a cpu_options so that gen_mem_fun can eventually be shared with the Z80 core.
Mike Pavone <pavone@retrodev.com>
parents:
557
diff
changeset
|
2279 memset(opts->gen.native_code_map, 0, sizeof(native_map_slot) * NATIVE_MAP_CHUNKS); |
dc9f178085a0
Use a typedef code_ptr in place of uint8_t * in 68K core to better support host instruction sets with different instruction word sizes. Make x86_68k_options contain a cpu_options so that gen_mem_fun can eventually be shared with the Z80 core.
Mike Pavone <pavone@retrodev.com>
parents:
557
diff
changeset
|
2280 opts->gen.deferred = NULL; |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2281 opts->gen.ram_inst_sizes = malloc(sizeof(uint8_t *) * 64); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2282 memset(opts->gen.ram_inst_sizes, 0, sizeof(uint8_t *) * 64); |
447
e730fc040169
Fix performance regression from stop instruction work
Mike Pavone <pavone@retrodev.com>
parents:
446
diff
changeset
|
2283 |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2284 code_info *code = &opts->gen.code; |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2285 init_code_info(code); |
539
c2716b502a81
Generate save_context and load_context functions at runtime
Michael Pavone <pavone@retrodev.com>
parents:
516
diff
changeset
|
2286 |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2287 opts->gen.save_context = code->cur; |
539
c2716b502a81
Generate save_context and load_context functions at runtime
Michael Pavone <pavone@retrodev.com>
parents:
516
diff
changeset
|
2288 for (int i = 0; i < 5; i++) |
c2716b502a81
Generate save_context and load_context functions at runtime
Michael Pavone <pavone@retrodev.com>
parents:
516
diff
changeset
|
2289 if (opts->flag_regs[i] >= 0) { |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2290 mov_rrdisp(code, opts->flag_regs[i], opts->gen.context_reg, offsetof(m68k_context, flags) + i, SZ_B); |
539
c2716b502a81
Generate save_context and load_context functions at runtime
Michael Pavone <pavone@retrodev.com>
parents:
516
diff
changeset
|
2291 } |
c2716b502a81
Generate save_context and load_context functions at runtime
Michael Pavone <pavone@retrodev.com>
parents:
516
diff
changeset
|
2292 for (int i = 0; i < 8; i++) |
c2716b502a81
Generate save_context and load_context functions at runtime
Michael Pavone <pavone@retrodev.com>
parents:
516
diff
changeset
|
2293 { |
c2716b502a81
Generate save_context and load_context functions at runtime
Michael Pavone <pavone@retrodev.com>
parents:
516
diff
changeset
|
2294 if (opts->dregs[i] >= 0) { |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2295 mov_rrdisp(code, opts->dregs[i], opts->gen.context_reg, offsetof(m68k_context, dregs) + sizeof(uint32_t) * i, SZ_D); |
539
c2716b502a81
Generate save_context and load_context functions at runtime
Michael Pavone <pavone@retrodev.com>
parents:
516
diff
changeset
|
2296 } |
c2716b502a81
Generate save_context and load_context functions at runtime
Michael Pavone <pavone@retrodev.com>
parents:
516
diff
changeset
|
2297 if (opts->aregs[i] >= 0) { |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2298 mov_rrdisp(code, opts->aregs[i], opts->gen.context_reg, offsetof(m68k_context, aregs) + sizeof(uint32_t) * i, SZ_D); |
539
c2716b502a81
Generate save_context and load_context functions at runtime
Michael Pavone <pavone@retrodev.com>
parents:
516
diff
changeset
|
2299 } |
c2716b502a81
Generate save_context and load_context functions at runtime
Michael Pavone <pavone@retrodev.com>
parents:
516
diff
changeset
|
2300 } |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2301 mov_rrdisp(code, opts->gen.cycles, opts->gen.context_reg, offsetof(m68k_context, current_cycle), SZ_D); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2302 retn(code); |
539
c2716b502a81
Generate save_context and load_context functions at runtime
Michael Pavone <pavone@retrodev.com>
parents:
516
diff
changeset
|
2303 |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2304 opts->gen.load_context = code->cur; |
539
c2716b502a81
Generate save_context and load_context functions at runtime
Michael Pavone <pavone@retrodev.com>
parents:
516
diff
changeset
|
2305 for (int i = 0; i < 5; i++) |
c2716b502a81
Generate save_context and load_context functions at runtime
Michael Pavone <pavone@retrodev.com>
parents:
516
diff
changeset
|
2306 if (opts->flag_regs[i] >= 0) { |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2307 mov_rdispr(code, opts->gen.context_reg, offsetof(m68k_context, flags) + i, opts->flag_regs[i], SZ_B); |
539
c2716b502a81
Generate save_context and load_context functions at runtime
Michael Pavone <pavone@retrodev.com>
parents:
516
diff
changeset
|
2308 } |
c2716b502a81
Generate save_context and load_context functions at runtime
Michael Pavone <pavone@retrodev.com>
parents:
516
diff
changeset
|
2309 for (int i = 0; i < 8; i++) |
c2716b502a81
Generate save_context and load_context functions at runtime
Michael Pavone <pavone@retrodev.com>
parents:
516
diff
changeset
|
2310 { |
c2716b502a81
Generate save_context and load_context functions at runtime
Michael Pavone <pavone@retrodev.com>
parents:
516
diff
changeset
|
2311 if (opts->dregs[i] >= 0) { |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2312 mov_rdispr(code, opts->gen.context_reg, offsetof(m68k_context, dregs) + sizeof(uint32_t) * i, opts->dregs[i], SZ_D); |
539
c2716b502a81
Generate save_context and load_context functions at runtime
Michael Pavone <pavone@retrodev.com>
parents:
516
diff
changeset
|
2313 } |
c2716b502a81
Generate save_context and load_context functions at runtime
Michael Pavone <pavone@retrodev.com>
parents:
516
diff
changeset
|
2314 if (opts->aregs[i] >= 0) { |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2315 mov_rdispr(code, opts->gen.context_reg, offsetof(m68k_context, aregs) + sizeof(uint32_t) * i, opts->aregs[i], SZ_D); |
539
c2716b502a81
Generate save_context and load_context functions at runtime
Michael Pavone <pavone@retrodev.com>
parents:
516
diff
changeset
|
2316 } |
c2716b502a81
Generate save_context and load_context functions at runtime
Michael Pavone <pavone@retrodev.com>
parents:
516
diff
changeset
|
2317 } |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2318 mov_rdispr(code, opts->gen.context_reg, offsetof(m68k_context, current_cycle), CYCLES, SZ_D); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2319 mov_rdispr(code, opts->gen.context_reg, offsetof(m68k_context, target_cycle), LIMIT, SZ_D); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2320 retn(code); |
539
c2716b502a81
Generate save_context and load_context functions at runtime
Michael Pavone <pavone@retrodev.com>
parents:
516
diff
changeset
|
2321 |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2322 opts->start_context = (start_fun)code->cur; |
550
96489fb27dbf
Apart from the Z80 core, BlastEm now supports 32-bit x86
Michael Pavone <pavone@retrodev.com>
parents:
548
diff
changeset
|
2323 #ifdef X86_64 |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2324 if (opts->gen.scratch2 != RDI) { |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2325 mov_rr(code, RDI, opts->gen.scratch2, SZ_PTR); |
548
a3afee2271ce
Initial work on the x86-32 target
Michael Pavone <pavone@retrodev.com>
parents:
547
diff
changeset
|
2326 } |
544
8a26567852b7
Generate native_addr and native_addr_and_sync at runtime so they can use the generated save/load_context functions
Michael Pavone <pavone@retrodev.com>
parents:
543
diff
changeset
|
2327 //save callee save registers |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2328 push_r(code, RBP); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2329 push_r(code, R12); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2330 push_r(code, R13); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2331 push_r(code, R14); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2332 push_r(code, R15); |
550
96489fb27dbf
Apart from the Z80 core, BlastEm now supports 32-bit x86
Michael Pavone <pavone@retrodev.com>
parents:
548
diff
changeset
|
2333 #else |
96489fb27dbf
Apart from the Z80 core, BlastEm now supports 32-bit x86
Michael Pavone <pavone@retrodev.com>
parents:
548
diff
changeset
|
2334 //save callee save registers |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2335 push_r(code, RBP); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2336 push_r(code, RBX); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2337 push_r(code, RSI); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2338 push_r(code, RDI); |
550
96489fb27dbf
Apart from the Z80 core, BlastEm now supports 32-bit x86
Michael Pavone <pavone@retrodev.com>
parents:
548
diff
changeset
|
2339 |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2340 mov_rdispr(code, RSP, 20, opts->gen.scratch2, SZ_D); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2341 mov_rdispr(code, RSP, 24, opts->gen.context_reg, SZ_D); |
550
96489fb27dbf
Apart from the Z80 core, BlastEm now supports 32-bit x86
Michael Pavone <pavone@retrodev.com>
parents:
548
diff
changeset
|
2342 #endif |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2343 call(code, opts->gen.load_context); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2344 call_r(code, opts->gen.scratch2); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2345 call(code, opts->gen.save_context); |
550
96489fb27dbf
Apart from the Z80 core, BlastEm now supports 32-bit x86
Michael Pavone <pavone@retrodev.com>
parents:
548
diff
changeset
|
2346 #ifdef X86_64 |
544
8a26567852b7
Generate native_addr and native_addr_and_sync at runtime so they can use the generated save/load_context functions
Michael Pavone <pavone@retrodev.com>
parents:
543
diff
changeset
|
2347 //restore callee save registers |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2348 pop_r(code, R15); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2349 pop_r(code, R14); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2350 pop_r(code, R13); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2351 pop_r(code, R12); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2352 pop_r(code, RBP); |
550
96489fb27dbf
Apart from the Z80 core, BlastEm now supports 32-bit x86
Michael Pavone <pavone@retrodev.com>
parents:
548
diff
changeset
|
2353 #else |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2354 pop_r(code, RDI); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2355 pop_r(code, RSI); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2356 pop_r(code, RBX); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2357 pop_r(code, RBP); |
550
96489fb27dbf
Apart from the Z80 core, BlastEm now supports 32-bit x86
Michael Pavone <pavone@retrodev.com>
parents:
548
diff
changeset
|
2358 #endif |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2359 retn(code); |
540
4ca826862174
Generate m68k_start_context at runtime so it can use the generated load_context and save_context
Michael Pavone <pavone@retrodev.com>
parents:
539
diff
changeset
|
2360 |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2361 opts->native_addr = code->cur; |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2362 call(code, opts->gen.save_context); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2363 push_r(code, opts->gen.context_reg); |
550
96489fb27dbf
Apart from the Z80 core, BlastEm now supports 32-bit x86
Michael Pavone <pavone@retrodev.com>
parents:
548
diff
changeset
|
2364 #ifdef X86_64 |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2365 mov_rr(code, opts->gen.context_reg, RDI, SZ_PTR); //move context to 1st arg reg |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2366 mov_rr(code, opts->gen.scratch1, RSI, SZ_D); //move address to 2nd arg reg |
550
96489fb27dbf
Apart from the Z80 core, BlastEm now supports 32-bit x86
Michael Pavone <pavone@retrodev.com>
parents:
548
diff
changeset
|
2367 #else |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2368 push_r(code, opts->gen.scratch1); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2369 push_r(code, opts->gen.context_reg); |
550
96489fb27dbf
Apart from the Z80 core, BlastEm now supports 32-bit x86
Michael Pavone <pavone@retrodev.com>
parents:
548
diff
changeset
|
2370 #endif |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2371 call(code, (code_ptr)get_native_address_trans); |
550
96489fb27dbf
Apart from the Z80 core, BlastEm now supports 32-bit x86
Michael Pavone <pavone@retrodev.com>
parents:
548
diff
changeset
|
2372 #ifdef X86_32 |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2373 add_ir(code, 8, RSP, SZ_D); |
550
96489fb27dbf
Apart from the Z80 core, BlastEm now supports 32-bit x86
Michael Pavone <pavone@retrodev.com>
parents:
548
diff
changeset
|
2374 #endif |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2375 mov_rr(code, RAX, opts->gen.scratch1, SZ_PTR); //move result to scratch reg |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2376 pop_r(code, opts->gen.context_reg); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2377 call(code, opts->gen.load_context); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2378 retn(code); |
544
8a26567852b7
Generate native_addr and native_addr_and_sync at runtime so they can use the generated save/load_context functions
Michael Pavone <pavone@retrodev.com>
parents:
543
diff
changeset
|
2379 |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2380 opts->native_addr_and_sync = code->cur; |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2381 call(code, opts->gen.save_context); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2382 push_r(code, opts->gen.scratch1); |
550
96489fb27dbf
Apart from the Z80 core, BlastEm now supports 32-bit x86
Michael Pavone <pavone@retrodev.com>
parents:
548
diff
changeset
|
2383 #ifdef X86_64 |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2384 mov_rr(code, opts->gen.context_reg, RDI, SZ_PTR); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2385 xor_rr(code, RSI, RSI, SZ_D); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2386 test_ir(code, 8, RSP, SZ_PTR); //check stack alignment |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2387 code_ptr do_adjust_rsp = code->cur + 1; |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2388 jcc(code, CC_NZ, code->cur + 2); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2389 call(code, (code_ptr)sync_components); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2390 code_ptr no_adjust_rsp = code->cur + 1; |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2391 jmp(code, code->cur + 2); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2392 *do_adjust_rsp = code->cur - (do_adjust_rsp+1); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2393 sub_ir(code, 8, RSP, SZ_PTR); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2394 call(code, (code_ptr)sync_components); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2395 add_ir(code, 8, RSP, SZ_PTR); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2396 *no_adjust_rsp = code->cur - (no_adjust_rsp+1); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2397 pop_r(code, RSI); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2398 push_r(code, RAX); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2399 mov_rr(code, RAX, RDI, SZ_PTR); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2400 call(code, (code_ptr)get_native_address_trans); |
550
96489fb27dbf
Apart from the Z80 core, BlastEm now supports 32-bit x86
Michael Pavone <pavone@retrodev.com>
parents:
548
diff
changeset
|
2401 #else |
96489fb27dbf
Apart from the Z80 core, BlastEm now supports 32-bit x86
Michael Pavone <pavone@retrodev.com>
parents:
548
diff
changeset
|
2402 //TODO: Add support for pushing a constant in gen_x86 |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2403 xor_rr(code, RAX, RAX, SZ_D); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2404 push_r(code, RAX); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2405 push_r(code, opts->gen.context_reg); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2406 call(code, (code_ptr)sync_components); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2407 add_ir(code, 8, RSP, SZ_D); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2408 pop_r(code, RSI); //restore saved address from opts->gen.scratch1 |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2409 push_r(code, RAX); //save context pointer for later |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2410 push_r(code, RSI); //2nd arg -- address |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2411 push_r(code, RAX); //1st arg -- context pointer |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2412 call(code, (code_ptr)get_native_address_trans); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2413 add_ir(code, 8, RSP, SZ_D); |
550
96489fb27dbf
Apart from the Z80 core, BlastEm now supports 32-bit x86
Michael Pavone <pavone@retrodev.com>
parents:
548
diff
changeset
|
2414 #endif |
96489fb27dbf
Apart from the Z80 core, BlastEm now supports 32-bit x86
Michael Pavone <pavone@retrodev.com>
parents:
548
diff
changeset
|
2415 |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2416 mov_rr(code, RAX, opts->gen.scratch1, SZ_PTR); //move result to scratch reg |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2417 pop_r(code, opts->gen.context_reg); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2418 call(code, opts->gen.load_context); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2419 retn(code); |
544
8a26567852b7
Generate native_addr and native_addr_and_sync at runtime so they can use the generated save/load_context functions
Michael Pavone <pavone@retrodev.com>
parents:
543
diff
changeset
|
2420 |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2421 opts->gen.handle_cycle_limit = code->cur; |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2422 cmp_rdispr(code, opts->gen.context_reg, offsetof(m68k_context, sync_cycle), CYCLES, SZ_D); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2423 code_ptr skip_sync = code->cur + 1; |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2424 jcc(code, CC_C, code->cur + 2); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2425 opts->do_sync = code->cur; |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2426 push_r(code, opts->gen.scratch1); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2427 push_r(code, opts->gen.scratch2); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2428 call(code, opts->gen.save_context); |
550
96489fb27dbf
Apart from the Z80 core, BlastEm now supports 32-bit x86
Michael Pavone <pavone@retrodev.com>
parents:
548
diff
changeset
|
2429 #ifdef X86_64 |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2430 mov_rr(code, opts->gen.context_reg, RDI, SZ_PTR); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2431 xor_rr(code, RSI, RSI, SZ_D); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2432 test_ir(code, 8, RSP, SZ_D); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2433 code_ptr adjust_rsp = code->cur + 1; |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2434 jcc(code, CC_NZ, code->cur + 2); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2435 call(code, (code_ptr)sync_components); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2436 code_ptr no_adjust = code->cur + 1; |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2437 jmp(code, code->cur + 2); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2438 *adjust_rsp = code->cur - (adjust_rsp + 1); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2439 sub_ir(code, 8, RSP, SZ_PTR); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2440 call(code, (code_ptr)sync_components); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2441 add_ir(code, 8, RSP, SZ_PTR); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2442 *no_adjust = code->cur - (no_adjust+1); |
550
96489fb27dbf
Apart from the Z80 core, BlastEm now supports 32-bit x86
Michael Pavone <pavone@retrodev.com>
parents:
548
diff
changeset
|
2443 #else |
96489fb27dbf
Apart from the Z80 core, BlastEm now supports 32-bit x86
Michael Pavone <pavone@retrodev.com>
parents:
548
diff
changeset
|
2444 //TODO: Add support for pushing a constant in gen_x86 |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2445 xor_rr(code, RAX, RAX, SZ_D); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2446 push_r(code, RAX); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2447 push_r(code, opts->gen.context_reg); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2448 call(code, (code_ptr)sync_components); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2449 add_ir(code, 8, RSP, SZ_D); |
550
96489fb27dbf
Apart from the Z80 core, BlastEm now supports 32-bit x86
Michael Pavone <pavone@retrodev.com>
parents:
548
diff
changeset
|
2450 #endif |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2451 mov_rr(code, RAX, opts->gen.context_reg, SZ_PTR); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2452 call(code, opts->gen.load_context); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2453 pop_r(code, opts->gen.scratch2); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2454 pop_r(code, opts->gen.scratch1); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2455 *skip_sync = code->cur - (skip_sync+1); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2456 retn(code); |
539
c2716b502a81
Generate save_context and load_context functions at runtime
Michael Pavone <pavone@retrodev.com>
parents:
516
diff
changeset
|
2457 |
590
ea80559c67cb
WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents:
589
diff
changeset
|
2458 opts->gen.handle_code_write = (code_ptr)m68k_handle_code_write; |
ea80559c67cb
WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents:
589
diff
changeset
|
2459 |
ea80559c67cb
WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents:
589
diff
changeset
|
2460 opts->read_16 = gen_mem_fun(&opts->gen, memmap, num_chunks, READ_16, NULL); |
ea80559c67cb
WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents:
589
diff
changeset
|
2461 opts->read_8 = gen_mem_fun(&opts->gen, memmap, num_chunks, READ_8, NULL); |
ea80559c67cb
WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents:
589
diff
changeset
|
2462 opts->write_16 = gen_mem_fun(&opts->gen, memmap, num_chunks, WRITE_16, NULL); |
ea80559c67cb
WIP effort to update z80 core for code gen changes
Michael Pavone <pavone@retrodev.com>
parents:
589
diff
changeset
|
2463 opts->write_8 = gen_mem_fun(&opts->gen, memmap, num_chunks, WRITE_8, NULL); |
447
e730fc040169
Fix performance regression from stop instruction work
Mike Pavone <pavone@retrodev.com>
parents:
446
diff
changeset
|
2464 |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2465 opts->read_32 = code->cur; |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2466 push_r(code, opts->gen.scratch1); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2467 call(code, opts->read_16); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2468 mov_rr(code, opts->gen.scratch1, opts->gen.scratch2, SZ_W); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2469 pop_r(code, opts->gen.scratch1); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2470 push_r(code, opts->gen.scratch2); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2471 add_ir(code, 2, opts->gen.scratch1, SZ_D); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2472 call(code, opts->read_16); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2473 pop_r(code, opts->gen.scratch2); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2474 movzx_rr(code, opts->gen.scratch1, opts->gen.scratch1, SZ_W, SZ_D); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2475 shl_ir(code, 16, opts->gen.scratch2, SZ_D); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2476 or_rr(code, opts->gen.scratch2, opts->gen.scratch1, SZ_D); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2477 retn(code); |
447
e730fc040169
Fix performance regression from stop instruction work
Mike Pavone <pavone@retrodev.com>
parents:
446
diff
changeset
|
2478 |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2479 opts->write_32_lowfirst = code->cur; |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2480 push_r(code, opts->gen.scratch2); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2481 push_r(code, opts->gen.scratch1); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2482 add_ir(code, 2, opts->gen.scratch2, SZ_D); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2483 call(code, opts->write_16); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2484 pop_r(code, opts->gen.scratch1); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2485 pop_r(code, opts->gen.scratch2); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2486 shr_ir(code, 16, opts->gen.scratch1, SZ_D); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2487 jmp(code, opts->write_16); |
447
e730fc040169
Fix performance regression from stop instruction work
Mike Pavone <pavone@retrodev.com>
parents:
446
diff
changeset
|
2488 |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2489 opts->write_32_highfirst = code->cur; |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2490 push_r(code, opts->gen.scratch1); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2491 push_r(code, opts->gen.scratch2); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2492 shr_ir(code, 16, opts->gen.scratch1, SZ_D); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2493 call(code, opts->write_16); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2494 pop_r(code, opts->gen.scratch2); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2495 pop_r(code, opts->gen.scratch1); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2496 add_ir(code, 2, opts->gen.scratch2, SZ_D); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2497 jmp(code, opts->write_16); |
447
e730fc040169
Fix performance regression from stop instruction work
Mike Pavone <pavone@retrodev.com>
parents:
446
diff
changeset
|
2498 |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2499 opts->get_sr = code->cur; |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2500 mov_rdispr(code, opts->gen.context_reg, offsetof(m68k_context, status), opts->gen.scratch1, SZ_B); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2501 shl_ir(code, 8, opts->gen.scratch1, SZ_W); |
547
3090d016c9e9
Generate get_sr, set_sr and set_ccr at runtime so they can respect the flag_regs setting
Michael Pavone <pavone@retrodev.com>
parents:
546
diff
changeset
|
2502 if (opts->flag_regs[FLAG_X] >= 0) { |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2503 mov_rr(code, opts->flag_regs[FLAG_X], opts->gen.scratch1, SZ_B); |
547
3090d016c9e9
Generate get_sr, set_sr and set_ccr at runtime so they can respect the flag_regs setting
Michael Pavone <pavone@retrodev.com>
parents:
546
diff
changeset
|
2504 } else { |
3090d016c9e9
Generate get_sr, set_sr and set_ccr at runtime so they can respect the flag_regs setting
Michael Pavone <pavone@retrodev.com>
parents:
546
diff
changeset
|
2505 int8_t offset = offsetof(m68k_context, flags); |
3090d016c9e9
Generate get_sr, set_sr and set_ccr at runtime so they can respect the flag_regs setting
Michael Pavone <pavone@retrodev.com>
parents:
546
diff
changeset
|
2506 if (offset) { |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2507 mov_rdispr(code, opts->gen.context_reg, offset, opts->gen.scratch1, SZ_B); |
547
3090d016c9e9
Generate get_sr, set_sr and set_ccr at runtime so they can respect the flag_regs setting
Michael Pavone <pavone@retrodev.com>
parents:
546
diff
changeset
|
2508 } else { |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2509 mov_rindr(code, opts->gen.context_reg, opts->gen.scratch1, SZ_B); |
547
3090d016c9e9
Generate get_sr, set_sr and set_ccr at runtime so they can respect the flag_regs setting
Michael Pavone <pavone@retrodev.com>
parents:
546
diff
changeset
|
2510 } |
3090d016c9e9
Generate get_sr, set_sr and set_ccr at runtime so they can respect the flag_regs setting
Michael Pavone <pavone@retrodev.com>
parents:
546
diff
changeset
|
2511 } |
3090d016c9e9
Generate get_sr, set_sr and set_ccr at runtime so they can respect the flag_regs setting
Michael Pavone <pavone@retrodev.com>
parents:
546
diff
changeset
|
2512 for (int flag = FLAG_N; flag <= FLAG_C; flag++) |
3090d016c9e9
Generate get_sr, set_sr and set_ccr at runtime so they can respect the flag_regs setting
Michael Pavone <pavone@retrodev.com>
parents:
546
diff
changeset
|
2513 { |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2514 shl_ir(code, 1, opts->gen.scratch1, SZ_B); |
547
3090d016c9e9
Generate get_sr, set_sr and set_ccr at runtime so they can respect the flag_regs setting
Michael Pavone <pavone@retrodev.com>
parents:
546
diff
changeset
|
2515 if (opts->flag_regs[flag] >= 0) { |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2516 or_rr(code, opts->flag_regs[flag], opts->gen.scratch1, SZ_B); |
547
3090d016c9e9
Generate get_sr, set_sr and set_ccr at runtime so they can respect the flag_regs setting
Michael Pavone <pavone@retrodev.com>
parents:
546
diff
changeset
|
2517 } else { |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2518 or_rdispr(code, opts->gen.context_reg, offsetof(m68k_context, flags) + flag, opts->gen.scratch1, SZ_B); |
547
3090d016c9e9
Generate get_sr, set_sr and set_ccr at runtime so they can respect the flag_regs setting
Michael Pavone <pavone@retrodev.com>
parents:
546
diff
changeset
|
2519 } |
3090d016c9e9
Generate get_sr, set_sr and set_ccr at runtime so they can respect the flag_regs setting
Michael Pavone <pavone@retrodev.com>
parents:
546
diff
changeset
|
2520 } |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2521 retn(code); |
547
3090d016c9e9
Generate get_sr, set_sr and set_ccr at runtime so they can respect the flag_regs setting
Michael Pavone <pavone@retrodev.com>
parents:
546
diff
changeset
|
2522 |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2523 opts->set_sr = code->cur; |
547
3090d016c9e9
Generate get_sr, set_sr and set_ccr at runtime so they can respect the flag_regs setting
Michael Pavone <pavone@retrodev.com>
parents:
546
diff
changeset
|
2524 for (int flag = FLAG_C; flag >= FLAG_X; flag--) |
3090d016c9e9
Generate get_sr, set_sr and set_ccr at runtime so they can respect the flag_regs setting
Michael Pavone <pavone@retrodev.com>
parents:
546
diff
changeset
|
2525 { |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2526 rcr_ir(code, 1, opts->gen.scratch1, SZ_B); |
547
3090d016c9e9
Generate get_sr, set_sr and set_ccr at runtime so they can respect the flag_regs setting
Michael Pavone <pavone@retrodev.com>
parents:
546
diff
changeset
|
2527 if (opts->flag_regs[flag] >= 0) { |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2528 setcc_r(code, CC_C, opts->flag_regs[flag]); |
547
3090d016c9e9
Generate get_sr, set_sr and set_ccr at runtime so they can respect the flag_regs setting
Michael Pavone <pavone@retrodev.com>
parents:
546
diff
changeset
|
2529 } else { |
3090d016c9e9
Generate get_sr, set_sr and set_ccr at runtime so they can respect the flag_regs setting
Michael Pavone <pavone@retrodev.com>
parents:
546
diff
changeset
|
2530 int8_t offset = offsetof(m68k_context, flags) + flag; |
3090d016c9e9
Generate get_sr, set_sr and set_ccr at runtime so they can respect the flag_regs setting
Michael Pavone <pavone@retrodev.com>
parents:
546
diff
changeset
|
2531 if (offset) { |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2532 setcc_rdisp(code, CC_C, opts->gen.context_reg, offset); |
547
3090d016c9e9
Generate get_sr, set_sr and set_ccr at runtime so they can respect the flag_regs setting
Michael Pavone <pavone@retrodev.com>
parents:
546
diff
changeset
|
2533 } else { |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2534 setcc_rind(code, CC_C, opts->gen.context_reg); |
547
3090d016c9e9
Generate get_sr, set_sr and set_ccr at runtime so they can respect the flag_regs setting
Michael Pavone <pavone@retrodev.com>
parents:
546
diff
changeset
|
2535 } |
3090d016c9e9
Generate get_sr, set_sr and set_ccr at runtime so they can respect the flag_regs setting
Michael Pavone <pavone@retrodev.com>
parents:
546
diff
changeset
|
2536 } |
3090d016c9e9
Generate get_sr, set_sr and set_ccr at runtime so they can respect the flag_regs setting
Michael Pavone <pavone@retrodev.com>
parents:
546
diff
changeset
|
2537 } |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2538 shr_ir(code, 8, opts->gen.scratch1, SZ_W); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2539 mov_rrdisp(code, opts->gen.scratch1, opts->gen.context_reg, offsetof(m68k_context, status), SZ_B); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2540 retn(code); |
547
3090d016c9e9
Generate get_sr, set_sr and set_ccr at runtime so they can respect the flag_regs setting
Michael Pavone <pavone@retrodev.com>
parents:
546
diff
changeset
|
2541 |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2542 opts->set_ccr = code->cur; |
547
3090d016c9e9
Generate get_sr, set_sr and set_ccr at runtime so they can respect the flag_regs setting
Michael Pavone <pavone@retrodev.com>
parents:
546
diff
changeset
|
2543 for (int flag = FLAG_C; flag >= FLAG_X; flag--) |
3090d016c9e9
Generate get_sr, set_sr and set_ccr at runtime so they can respect the flag_regs setting
Michael Pavone <pavone@retrodev.com>
parents:
546
diff
changeset
|
2544 { |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2545 rcr_ir(code, 1, opts->gen.scratch1, SZ_B); |
547
3090d016c9e9
Generate get_sr, set_sr and set_ccr at runtime so they can respect the flag_regs setting
Michael Pavone <pavone@retrodev.com>
parents:
546
diff
changeset
|
2546 if (opts->flag_regs[flag] >= 0) { |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2547 setcc_r(code, CC_C, opts->flag_regs[flag]); |
547
3090d016c9e9
Generate get_sr, set_sr and set_ccr at runtime so they can respect the flag_regs setting
Michael Pavone <pavone@retrodev.com>
parents:
546
diff
changeset
|
2548 } else { |
3090d016c9e9
Generate get_sr, set_sr and set_ccr at runtime so they can respect the flag_regs setting
Michael Pavone <pavone@retrodev.com>
parents:
546
diff
changeset
|
2549 int8_t offset = offsetof(m68k_context, flags) + flag; |
3090d016c9e9
Generate get_sr, set_sr and set_ccr at runtime so they can respect the flag_regs setting
Michael Pavone <pavone@retrodev.com>
parents:
546
diff
changeset
|
2550 if (offset) { |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2551 setcc_rdisp(code, CC_C, opts->gen.context_reg, offset); |
547
3090d016c9e9
Generate get_sr, set_sr and set_ccr at runtime so they can respect the flag_regs setting
Michael Pavone <pavone@retrodev.com>
parents:
546
diff
changeset
|
2552 } else { |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2553 setcc_rind(code, CC_C, opts->gen.context_reg); |
547
3090d016c9e9
Generate get_sr, set_sr and set_ccr at runtime so they can respect the flag_regs setting
Michael Pavone <pavone@retrodev.com>
parents:
546
diff
changeset
|
2554 } |
3090d016c9e9
Generate get_sr, set_sr and set_ccr at runtime so they can respect the flag_regs setting
Michael Pavone <pavone@retrodev.com>
parents:
546
diff
changeset
|
2555 } |
3090d016c9e9
Generate get_sr, set_sr and set_ccr at runtime so they can respect the flag_regs setting
Michael Pavone <pavone@retrodev.com>
parents:
546
diff
changeset
|
2556 } |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2557 retn(code); |
547
3090d016c9e9
Generate get_sr, set_sr and set_ccr at runtime so they can respect the flag_regs setting
Michael Pavone <pavone@retrodev.com>
parents:
546
diff
changeset
|
2558 |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2559 opts->gen.handle_cycle_limit_int = code->cur; |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2560 cmp_rdispr(code, opts->gen.context_reg, offsetof(m68k_context, int_cycle), CYCLES, SZ_D); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2561 code_ptr do_int = code->cur + 1; |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2562 jcc(code, CC_NC, code->cur + 2); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2563 cmp_rdispr(code, opts->gen.context_reg, offsetof(m68k_context, sync_cycle), CYCLES, SZ_D); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2564 skip_sync = code->cur + 1; |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2565 jcc(code, CC_C, code->cur + 2); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2566 call(code, opts->gen.save_context); |
550
96489fb27dbf
Apart from the Z80 core, BlastEm now supports 32-bit x86
Michael Pavone <pavone@retrodev.com>
parents:
548
diff
changeset
|
2567 #ifdef X86_64 |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2568 mov_rr(code, opts->gen.context_reg, RDI, SZ_PTR); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2569 mov_rr(code, opts->gen.scratch1, RSI, SZ_D); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2570 test_ir(code, 8, RSP, SZ_D); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2571 adjust_rsp = code->cur + 1; |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2572 jcc(code, CC_NZ, code->cur + 2); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2573 call(code, (code_ptr)sync_components); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2574 no_adjust = code->cur + 1; |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2575 jmp(code, code->cur + 2); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2576 *adjust_rsp = code->cur - (adjust_rsp + 1); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2577 sub_ir(code, 8, RSP, SZ_PTR); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2578 call(code, (code_ptr)sync_components); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2579 add_ir(code, 8, RSP, SZ_PTR); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2580 *no_adjust = code->cur - (no_adjust+1); |
550
96489fb27dbf
Apart from the Z80 core, BlastEm now supports 32-bit x86
Michael Pavone <pavone@retrodev.com>
parents:
548
diff
changeset
|
2581 #else |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2582 push_r(code, opts->gen.scratch1); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2583 push_r(code, opts->gen.context_reg); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2584 call(code, (code_ptr)sync_components); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2585 add_ir(code, 8, RSP, SZ_D); |
550
96489fb27dbf
Apart from the Z80 core, BlastEm now supports 32-bit x86
Michael Pavone <pavone@retrodev.com>
parents:
548
diff
changeset
|
2586 #endif |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2587 mov_rr(code, RAX, opts->gen.context_reg, SZ_PTR); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2588 jmp(code, opts->gen.load_context); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2589 *skip_sync = code->cur - (skip_sync+1); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2590 retn(code); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2591 *do_int = code->cur - (do_int+1); |
347
b24556b45d1e
Generate handle_cycle_limit_int at runtime so it can refer to the runtime generated memory map functions
Mike Pavone <pavone@retrodev.com>
parents:
343
diff
changeset
|
2592 //set target cycle to sync cycle |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2593 mov_rdispr(code, opts->gen.context_reg, offsetof(m68k_context, sync_cycle), LIMIT, SZ_D); |
347
b24556b45d1e
Generate handle_cycle_limit_int at runtime so it can refer to the runtime generated memory map functions
Mike Pavone <pavone@retrodev.com>
parents:
343
diff
changeset
|
2594 //swap USP and SSP if not already in supervisor mode |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2595 bt_irdisp(code, 5, opts->gen.context_reg, offsetof(m68k_context, status), SZ_B); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2596 code_ptr already_supervisor = code->cur + 1; |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2597 jcc(code, CC_C, code->cur + 2); |
574
1594525e2157
More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts
Michael Pavone <pavone@retrodev.com>
parents:
571
diff
changeset
|
2598 swap_ssp_usp(opts); |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2599 *already_supervisor = code->cur - (already_supervisor+1); |
347
b24556b45d1e
Generate handle_cycle_limit_int at runtime so it can refer to the runtime generated memory map functions
Mike Pavone <pavone@retrodev.com>
parents:
343
diff
changeset
|
2600 //save PC |
574
1594525e2157
More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts
Michael Pavone <pavone@retrodev.com>
parents:
571
diff
changeset
|
2601 subi_areg(opts, 4, 7); |
1594525e2157
More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts
Michael Pavone <pavone@retrodev.com>
parents:
571
diff
changeset
|
2602 areg_to_native(opts, 7, opts->gen.scratch2); |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2603 call(code, opts->write_32_lowfirst); |
347
b24556b45d1e
Generate handle_cycle_limit_int at runtime so it can refer to the runtime generated memory map functions
Mike Pavone <pavone@retrodev.com>
parents:
343
diff
changeset
|
2604 //save status register |
574
1594525e2157
More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts
Michael Pavone <pavone@retrodev.com>
parents:
571
diff
changeset
|
2605 subi_areg(opts, 2, 7); |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2606 call(code, opts->get_sr); |
574
1594525e2157
More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts
Michael Pavone <pavone@retrodev.com>
parents:
571
diff
changeset
|
2607 areg_to_native(opts, 7, opts->gen.scratch2); |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2608 call(code, opts->write_16); |
347
b24556b45d1e
Generate handle_cycle_limit_int at runtime so it can refer to the runtime generated memory map functions
Mike Pavone <pavone@retrodev.com>
parents:
343
diff
changeset
|
2609 //update status register |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2610 and_irdisp(code, 0xF8, opts->gen.context_reg, offsetof(m68k_context, status), SZ_B); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2611 mov_rdispr(code, opts->gen.context_reg, offsetof(m68k_context, int_num), opts->gen.scratch1, SZ_B); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2612 or_ir(code, 0x20, opts->gen.scratch1, SZ_B); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2613 or_rrdisp(code, opts->gen.scratch1, opts->gen.context_reg, offsetof(m68k_context, status), SZ_B); |
347
b24556b45d1e
Generate handle_cycle_limit_int at runtime so it can refer to the runtime generated memory map functions
Mike Pavone <pavone@retrodev.com>
parents:
343
diff
changeset
|
2614 //calculate interrupt vector address |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2615 mov_rdispr(code, opts->gen.context_reg, offsetof(m68k_context, int_num), opts->gen.scratch1, SZ_D); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2616 mov_rrdisp(code, opts->gen.scratch1, opts->gen.context_reg, offsetof(m68k_context, int_ack), SZ_W); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2617 shl_ir(code, 2, opts->gen.scratch1, SZ_D); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2618 add_ir(code, 0x60, opts->gen.scratch1, SZ_D); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2619 call(code, opts->read_32); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2620 call(code, opts->native_addr_and_sync); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2621 cycles(&opts->gen, 24); |
347
b24556b45d1e
Generate handle_cycle_limit_int at runtime so it can refer to the runtime generated memory map functions
Mike Pavone <pavone@retrodev.com>
parents:
343
diff
changeset
|
2622 //discard function return address |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2623 pop_r(code, opts->gen.scratch2); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2624 jmp_r(code, opts->gen.scratch1); |
447
e730fc040169
Fix performance regression from stop instruction work
Mike Pavone <pavone@retrodev.com>
parents:
446
diff
changeset
|
2625 |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2626 opts->trap = code->cur; |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2627 push_r(code, opts->gen.scratch2); |
348
3923dbc2dcc4
m68k_trap is now replaced with a generated one so it can call the generated memory acccess functions. The old static memory access functions have been removed from runtime.S
Mike Pavone <pavone@retrodev.com>
parents:
347
diff
changeset
|
2628 //swap USP and SSP if not already in supervisor mode |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2629 bt_irdisp(code, 5, opts->gen.context_reg, offsetof(m68k_context, status), SZ_B); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2630 already_supervisor = code->cur + 1; |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
changeset
|
2631 jcc(code, CC_C, code->cur + 2); |
574
1594525e2157
More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts
Michael Pavone <pavone@retrodev.com>
parents:
571
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2632 swap_ssp_usp(opts); |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
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2633 *already_supervisor = code->cur - (already_supervisor+1); |
348
3923dbc2dcc4
m68k_trap is now replaced with a generated one so it can call the generated memory acccess functions. The old static memory access functions have been removed from runtime.S
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2634 //save PC |
574
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More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts
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571
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2635 subi_areg(opts, 4, 7); |
1594525e2157
More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts
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parents:
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2636 areg_to_native(opts, 7, opts->gen.scratch2); |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
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2637 call(code, opts->write_32_lowfirst); |
348
3923dbc2dcc4
m68k_trap is now replaced with a generated one so it can call the generated memory acccess functions. The old static memory access functions have been removed from runtime.S
Mike Pavone <pavone@retrodev.com>
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347
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2638 //save status register |
574
1594525e2157
More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts
Michael Pavone <pavone@retrodev.com>
parents:
571
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2639 subi_areg(opts, 2, 7); |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
diff
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2640 call(code, opts->get_sr); |
574
1594525e2157
More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts
Michael Pavone <pavone@retrodev.com>
parents:
571
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2641 areg_to_native(opts, 7, opts->gen.scratch2); |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
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|
2642 call(code, opts->write_16); |
348
3923dbc2dcc4
m68k_trap is now replaced with a generated one so it can call the generated memory acccess functions. The old static memory access functions have been removed from runtime.S
Mike Pavone <pavone@retrodev.com>
parents:
347
diff
changeset
|
2643 //set supervisor bit |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
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2644 or_irdisp(code, 0x20, opts->gen.context_reg, offsetof(m68k_context, status), SZ_B); |
348
3923dbc2dcc4
m68k_trap is now replaced with a generated one so it can call the generated memory acccess functions. The old static memory access functions have been removed from runtime.S
Mike Pavone <pavone@retrodev.com>
parents:
347
diff
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2645 //calculate vector address |
567
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
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2646 pop_r(code, opts->gen.scratch1); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
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parents:
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2647 shl_ir(code, 2, opts->gen.scratch1, SZ_D); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
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2648 call(code, opts->read_32); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
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2649 call(code, opts->native_addr_and_sync); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
parents:
558
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2650 cycles(&opts->gen, 18); |
8e395210f50f
Refactor gen_x86 to use an interface more like gen_arm and to remove the need for the caller to decide whether an 8-bit or 32-bit displacement is needed in the rdisp functions. Update m68k_to_x86 to use the new version of the gen_x86 functions and do some minor refactoring there in the process
Michael Pavone <pavone@retrodev.com>
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558
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2651 jmp_r(code, opts->gen.scratch1); |
18
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
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2652 } |