Mercurial > repos > blastem
annotate gen_x86.c @ 107:9705075fcf36
Fix areg indexed mode for move dst
author | Mike Pavone <pavone@retrodev.com> |
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date | Fri, 28 Dec 2012 14:30:25 -0800 |
parents | 6331ddec228f |
children | e3594572fb98 |
rev | line source |
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1 #include "gen_x86.h" |
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2 #include "68kinst.h" |
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3 #include <stddef.h> |
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4 #include <stdio.h> |
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5 |
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6 #define REX_RM_FIELD 0x1 |
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7 #define REX_SIB_FIELD 0x2 |
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8 #define REX_REG_FIELD 0x4 |
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9 #define REX_QUAD 0x8 |
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10 |
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11 #define OP_ADD 0x00 |
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12 #define OP_OR 0x08 |
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13 #define PRE_2BYTE 0x0F |
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14 #define OP_ADC 0x10 |
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15 #define OP_SBB 0x18 |
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16 #define OP_AND 0x20 |
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17 #define OP_SUB 0x28 |
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18 #define OP_XOR 0x30 |
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19 #define OP_CMP 0x38 |
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20 #define PRE_REX 0x40 |
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21 #define OP_PUSH 0x50 |
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22 #define OP_POP 0x58 |
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23 #define OP_MOVSXD 0x63 |
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24 #define PRE_SIZE 0x66 |
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25 #define OP_JCC 0x70 |
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26 #define OP_IMMED_ARITH 0x80 |
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27 #define OP_MOV 0x88 |
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28 #define OP_PUSHF 0x9C |
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29 #define OP_POPF 0x9D |
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30 #define OP_MOV_I8R 0xB0 |
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31 #define OP_MOV_IR 0xB8 |
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32 #define OP_SHIFTROT_IR 0xC0 |
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33 #define OP_RETN 0xC3 |
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34 #define OP_MOV_IEA 0xC6 |
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35 #define OP_SHIFTROT_1 0xD0 |
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36 #define OP_SHIFTROT_CL 0xD2 |
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37 #define OP_CALL 0xE8 |
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38 #define OP_JMP 0xE9 |
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39 #define OP_JMP_BYTE 0xEB |
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40 #define OP_NOT_NEG 0xF6 |
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41 #define OP_SINGLE_EA 0xFF |
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42 |
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43 #define OP2_JCC 0x80 |
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44 #define OP2_SETCC 0x90 |
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45 #define OP2_BT 0xA3 |
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46 #define OP2_BTX_I 0xBA |
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47 #define OP2_MOVSX 0xBE |
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48 |
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49 #define OP_EX_ADDI 0x0 |
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50 #define OP_EX_ORI 0x1 |
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51 #define OP_EX_ADCI 0x2 |
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52 #define OP_EX_SBBI 0x3 |
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53 #define OP_EX_ANDI 0x4 |
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54 #define OP_EX_SUBI 0x5 |
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55 #define OP_EX_XORI 0x6 |
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56 #define OP_EX_CMPI 0x7 |
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57 |
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58 #define OP_EX_ROL 0x0 |
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59 #define OP_EX_ROR 0x1 |
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60 #define OP_EX_RCL 0x2 |
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61 #define OP_EX_RCR 0x3 |
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62 #define OP_EX_SHL 0x4 |
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63 #define OP_EX_SHR 0x5 |
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64 #define OP_EX_SAL 0x6 //identical to SHL |
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65 #define OP_EX_SAR 0x7 |
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66 |
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67 #define OP_EX_BT 0x4 |
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68 #define OP_EX_BTS 0x5 |
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69 #define OP_EX_BTR 0x6 |
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70 #define OP_EX_BTC 0x7 |
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71 |
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72 #define OP_EX_TEST_I 0x0 |
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73 #define OP_EX_NOT 0x2 |
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74 #define OP_EX_NEG 0x3 |
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75 |
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76 #define OP_EX_INC 0x0 |
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77 #define OP_EX_DEC 0x1 |
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78 #define OP_EX_CALL_EA 0x2 |
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79 #define OP_EX_JMP_EA 0x4 |
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80 #define OP_EX_PUSH_EA 0x6 |
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81 |
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82 #define BIT_IMMED_RAX 0x4 |
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83 #define BIT_DIR 0x2 |
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84 #define BIT_SIZE 0x1 |
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85 |
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86 |
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87 enum { |
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88 X86_RAX = 0, |
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89 X86_RCX, |
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90 X86_RDX, |
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91 X86_RBX, |
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92 X86_RSP, |
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93 X86_RBP, |
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94 X86_RSI, |
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95 X86_RDI, |
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96 X86_AH=4, |
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97 X86_CH, |
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98 X86_DH, |
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99 X86_BH, |
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100 X86_R8=0, |
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101 X86_R9, |
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102 X86_R10, |
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103 X86_R11, |
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104 X86_R12, |
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105 X86_R13, |
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106 X86_R14, |
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107 X86_R15 |
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108 } x86_regs_enc; |
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109 |
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110 uint8_t * x86_rr_sizedir(uint8_t * out, uint8_t opcode, uint8_t src, uint8_t dst, uint8_t size) |
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111 { |
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112 //TODO: Deal with the fact that AH, BH, CH and DH can only be in the R/M param when there's a REX prefix |
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113 uint8_t tmp; |
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114 if (size == SZ_W) { |
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115 *(out++) = PRE_SIZE; |
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116 } |
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117 if (size == SZ_B && dst >= RSP && dst <= RDI) { |
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118 opcode |= BIT_DIR; |
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119 tmp = dst; |
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120 dst = src; |
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121 src = dst; |
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122 } |
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123 if (size == SZ_Q || src >= R8 || dst >= R8 || (size == SZ_B && src >= RSP && src <= RDI)) { |
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124 *out = PRE_REX; |
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125 if (size == SZ_Q) { |
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126 *out |= REX_QUAD; |
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127 } |
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128 if (src >= R8) { |
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129 *out |= REX_REG_FIELD; |
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130 src -= (R8 - X86_R8); |
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131 } |
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132 if (dst >= R8) { |
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133 *out |= REX_RM_FIELD; |
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134 dst -= (R8 - X86_R8); |
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135 } |
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136 out++; |
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137 } |
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138 if (size == SZ_B) { |
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139 if (src >= AH && src <= BH) { |
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140 src -= (AH-X86_AH); |
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141 } |
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142 if (dst >= AH && dst <= BH) { |
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143 dst -= (AH-X86_AH); |
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144 } |
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145 } else { |
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146 opcode |= BIT_SIZE; |
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147 } |
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148 *(out++) = opcode; |
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149 *(out++) = MODE_REG_DIRECT | dst | (src << 3); |
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150 return out; |
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151 } |
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152 |
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153 uint8_t * x86_rrdisp8_sizedir(uint8_t * out, uint8_t opcode, uint8_t reg, uint8_t base, int8_t disp, uint8_t size, uint8_t dir) |
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154 { |
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155 //TODO: Deal with the fact that AH, BH, CH and DH can only be in the R/M param when there's a REX prefix |
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156 uint8_t tmp; |
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157 if (size == SZ_W) { |
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158 *(out++) = PRE_SIZE; |
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159 } |
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160 if (size == SZ_Q || reg >= R8 || base >= R8 || (size == SZ_B && reg >= RSP && reg <= RDI)) { |
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161 *out = PRE_REX; |
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162 if (size == SZ_Q) { |
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163 *out |= REX_QUAD; |
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164 } |
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165 if (reg >= R8) { |
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166 *out |= REX_REG_FIELD; |
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167 reg -= (R8 - X86_R8); |
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168 } |
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169 if (base >= R8) { |
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170 *out |= REX_RM_FIELD; |
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171 base -= (R8 - X86_R8); |
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172 } |
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173 out++; |
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174 } |
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175 if (size == SZ_B) { |
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176 if (reg >= AH && reg <= BH) { |
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177 reg -= (AH-X86_AH); |
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178 } |
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179 } else { |
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180 opcode |= BIT_SIZE; |
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181 } |
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182 *(out++) = opcode | dir; |
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183 *(out++) = MODE_REG_DISPLACE8 | base | (reg << 3); |
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184 if (base == RSP) { |
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185 //add SIB byte, with no index and RSP as base |
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186 *(out++) = (RSP << 3) | RSP; |
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187 } |
14
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188 *(out++) = disp; |
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189 return out; |
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190 } |
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191 |
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192 uint8_t * x86_rrind_sizedir(uint8_t * out, uint8_t opcode, uint8_t reg, uint8_t base, uint8_t size, uint8_t dir) |
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193 { |
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194 //TODO: Deal with the fact that AH, BH, CH and DH can only be in the R/M param when there's a REX prefix |
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195 uint8_t tmp; |
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196 if (size == SZ_W) { |
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197 *(out++) = PRE_SIZE; |
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198 } |
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199 if (size == SZ_Q || reg >= R8 || base >= R8 || (size == SZ_B && reg >= RSP && reg <= RDI)) { |
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200 *out = PRE_REX; |
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201 if (size == SZ_Q) { |
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202 *out |= REX_QUAD; |
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203 } |
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204 if (reg >= R8) { |
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205 *out |= REX_REG_FIELD; |
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206 reg -= (R8 - X86_R8); |
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207 } |
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208 if (base >= R8) { |
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209 *out |= REX_RM_FIELD; |
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210 base -= (R8 - X86_R8); |
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211 } |
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212 out++; |
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213 } |
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214 if (size == SZ_B) { |
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215 if (reg >= AH && reg <= BH) { |
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216 reg -= (AH-X86_AH); |
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217 } |
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218 } else { |
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219 opcode |= BIT_SIZE; |
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220 } |
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221 *(out++) = opcode | dir; |
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222 *(out++) = MODE_REG_INDIRECT | base | (reg << 3); |
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223 if (base == RSP) { |
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224 //add SIB byte, with no index and RSP as base |
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225 *(out++) = (RSP << 3) | RSP; |
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226 } |
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227 return out; |
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228 } |
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229 |
82
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Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
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230 uint8_t * x86_r_size(uint8_t * out, uint8_t opcode, uint8_t opex, uint8_t dst, uint8_t size) |
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231 { |
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232 uint8_t tmp; |
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233 if (size == SZ_W) { |
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234 *(out++) = PRE_SIZE; |
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235 } |
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236 if (size == SZ_Q || dst >= R8) { |
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237 *out = PRE_REX; |
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238 if (size == SZ_Q) { |
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239 *out |= REX_QUAD; |
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240 } |
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241 if (dst >= R8) { |
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242 *out |= REX_RM_FIELD; |
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243 dst -= (R8 - X86_R8); |
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244 } |
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245 out++; |
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246 } |
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247 if (size == SZ_B) { |
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248 if (dst >= AH && dst <= BH) { |
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249 dst -= (AH-X86_AH); |
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250 } |
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251 } else { |
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252 opcode |= BIT_SIZE; |
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253 } |
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254 *(out++) = opcode; |
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255 *(out++) = MODE_REG_DIRECT | dst | (opex << 3); |
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256 return out; |
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257 } |
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258 |
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259 uint8_t * x86_rdisp8_size(uint8_t * out, uint8_t opcode, uint8_t opex, uint8_t dst, int8_t disp, uint8_t size) |
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260 { |
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261 uint8_t tmp; |
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262 if (size == SZ_W) { |
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263 *(out++) = PRE_SIZE; |
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264 } |
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265 if (size == SZ_Q || dst >= R8) { |
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266 *out = PRE_REX; |
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267 if (size == SZ_Q) { |
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268 *out |= REX_QUAD; |
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269 } |
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270 if (dst >= R8) { |
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271 *out |= REX_RM_FIELD; |
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272 dst -= (R8 - X86_R8); |
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273 } |
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274 out++; |
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275 } |
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276 if (size != SZ_B) { |
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277 opcode |= BIT_SIZE; |
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278 } |
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279 *(out++) = opcode; |
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280 *(out++) = MODE_REG_DISPLACE8 | dst | (opex << 3); |
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281 *(out++) = disp; |
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282 return out; |
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283 } |
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284 |
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285 uint8_t * x86_ir(uint8_t * out, uint8_t opcode, uint8_t op_ex, uint8_t al_opcode, int32_t val, uint8_t dst, uint8_t size) |
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286 { |
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287 uint8_t sign_extend = 0; |
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288 if ((size == SZ_D || size == SZ_Q) && val <= 0x7F && val >= -0x80) { |
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289 sign_extend = 1; |
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290 opcode |= BIT_DIR; |
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291 } |
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292 if (size == SZ_W) { |
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293 *(out++) = PRE_SIZE; |
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294 } |
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295 if (dst == RAX && !sign_extend) { |
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296 if (size != SZ_B) { |
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297 al_opcode |= BIT_SIZE; |
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298 if (size == SZ_Q) { |
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299 *out = PRE_REX | REX_QUAD; |
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300 } |
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301 } |
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302 *(out++) = al_opcode | BIT_IMMED_RAX; |
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303 } else { |
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304 if (size == SZ_Q || dst >= R8 || (size == SZ_B && dst >= RSP && dst <= RDI)) { |
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305 *out = PRE_REX; |
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306 if (size == SZ_Q) { |
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307 *out |= REX_QUAD; |
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308 } |
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309 if (dst >= R8) { |
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310 *out |= REX_RM_FIELD; |
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311 dst -= (R8 - X86_R8); |
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312 } |
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313 out++; |
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314 } |
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315 if (dst >= AH && dst <= BH) { |
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316 dst -= (AH-X86_AH); |
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317 } |
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318 if (size != SZ_B) { |
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319 opcode |= BIT_SIZE; |
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320 } |
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321 *(out++) = opcode; |
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322 *(out++) = MODE_REG_DIRECT | dst | (op_ex << 3); |
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323 } |
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324 *(out++) = val; |
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325 if (size != SZ_B && !sign_extend) { |
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326 val >>= 8; |
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327 *(out++) = val; |
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328 if (size != SZ_W) { |
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329 val >>= 8; |
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330 *(out++) = val; |
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331 val >>= 8; |
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332 *(out++) = val; |
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333 } |
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334 } |
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335 return out; |
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336 } |
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337 |
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338 uint8_t * x86_irdisp8(uint8_t * out, uint8_t opcode, uint8_t op_ex, int32_t val, uint8_t dst, int8_t disp, uint8_t size) |
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339 { |
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340 uint8_t sign_extend = 0; |
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341 if ((size == SZ_D || size == SZ_Q) && val <= 0x7F && val >= -0x80) { |
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342 sign_extend = 1; |
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343 opcode |= BIT_DIR; |
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344 } |
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345 if (size == SZ_W) { |
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346 *(out++) = PRE_SIZE; |
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347 } |
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348 |
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349 if (size == SZ_Q || dst >= R8 || (size == SZ_B && dst >= RSP && dst <= RDI)) { |
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350 *out = PRE_REX; |
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351 if (size == SZ_Q) { |
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352 *out |= REX_QUAD; |
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353 } |
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354 if (dst >= R8) { |
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355 *out |= REX_RM_FIELD; |
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356 dst -= (R8 - X86_R8); |
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357 } |
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358 out++; |
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359 } |
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360 if (size != SZ_B) { |
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361 opcode |= BIT_SIZE; |
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362 } |
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363 *(out++) = opcode; |
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364 *(out++) = MODE_REG_DISPLACE8 | dst | (op_ex << 3); |
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365 *(out++) = disp; |
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366 *(out++) = val; |
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367 if (size != SZ_B && !sign_extend) { |
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368 val >>= 8; |
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369 *(out++) = val; |
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370 if (size != SZ_W) { |
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371 val >>= 8; |
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372 *(out++) = val; |
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373 val >>= 8; |
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374 *(out++) = val; |
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375 } |
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376 } |
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377 return out; |
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378 } |
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379 |
14
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380 |
49
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381 uint8_t * x86_shiftrot_ir(uint8_t * out, uint8_t op_ex, uint8_t val, uint8_t dst, uint8_t size) |
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382 { |
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383 if (size == SZ_W) { |
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384 *(out++) = PRE_SIZE; |
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385 } |
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386 if (size == SZ_Q || dst >= R8 || (size == SZ_B && dst >= RSP && dst <= RDI)) { |
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387 *out = PRE_REX; |
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388 if (size == SZ_Q) { |
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389 *out |= REX_QUAD; |
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390 } |
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391 if (dst >= R8) { |
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392 *out |= REX_RM_FIELD; |
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393 dst -= (R8 - X86_R8); |
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394 } |
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395 out++; |
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396 } |
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397 if (dst >= AH && dst <= BH) { |
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398 dst -= (AH-X86_AH); |
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399 } |
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400 |
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401 *(out++) = (val == 1 ? OP_SHIFTROT_1: OP_SHIFTROT_IR) | (size == SZ_B ? 0 : BIT_SIZE); |
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402 *(out++) = MODE_REG_DIRECT | dst | (op_ex << 3); |
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403 if (val != 1) { |
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404 *(out++) = val; |
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405 } |
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406 return out; |
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407 } |
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408 |
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409 uint8_t * x86_shiftrot_irdisp8(uint8_t * out, uint8_t op_ex, uint8_t val, uint8_t dst, int8_t disp, uint8_t size) |
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410 { |
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411 if (size == SZ_W) { |
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412 *(out++) = PRE_SIZE; |
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413 } |
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414 if (size == SZ_Q || dst >= R8 || (size == SZ_B && dst >= RSP && dst <= RDI)) { |
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415 *out = PRE_REX; |
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416 if (size == SZ_Q) { |
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417 *out |= REX_QUAD; |
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418 } |
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419 if (dst >= R8) { |
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420 *out |= REX_RM_FIELD; |
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421 dst -= (R8 - X86_R8); |
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422 } |
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423 out++; |
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424 } |
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425 if (dst >= AH && dst <= BH) { |
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426 dst -= (AH-X86_AH); |
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427 } |
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428 |
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429 *(out++) = (val == 1 ? OP_SHIFTROT_1: OP_SHIFTROT_IR) | (size == SZ_B ? 0 : BIT_SIZE); |
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diff
changeset
|
430 *(out++) = MODE_REG_DISPLACE8 | dst | (op_ex << 3); |
d2e43d64e999
Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations
Mike Pavone <pavone@retrodev.com>
parents:
18
diff
changeset
|
431 *(out++) = disp; |
d2e43d64e999
Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations
Mike Pavone <pavone@retrodev.com>
parents:
18
diff
changeset
|
432 if (val != 1) { |
d2e43d64e999
Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations
Mike Pavone <pavone@retrodev.com>
parents:
18
diff
changeset
|
433 *(out++) = val; |
d2e43d64e999
Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations
Mike Pavone <pavone@retrodev.com>
parents:
18
diff
changeset
|
434 } |
d2e43d64e999
Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations
Mike Pavone <pavone@retrodev.com>
parents:
18
diff
changeset
|
435 return out; |
d2e43d64e999
Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations
Mike Pavone <pavone@retrodev.com>
parents:
18
diff
changeset
|
436 } |
d2e43d64e999
Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations
Mike Pavone <pavone@retrodev.com>
parents:
18
diff
changeset
|
437 |
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
|
438 uint8_t * x86_shiftrot_clr(uint8_t * out, uint8_t op_ex, uint8_t dst, uint8_t size) |
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
|
439 { |
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
|
440 if (size == SZ_W) { |
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
|
441 *(out++) = PRE_SIZE; |
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
|
442 } |
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
|
443 if (size == SZ_Q || dst >= R8 || (size == SZ_B && dst >= RSP && dst <= RDI)) { |
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
|
444 *out = PRE_REX; |
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
|
445 if (size == SZ_Q) { |
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
|
446 *out |= REX_QUAD; |
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
|
447 } |
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
|
448 if (dst >= R8) { |
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
|
449 *out |= REX_RM_FIELD; |
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
|
450 dst -= (R8 - X86_R8); |
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
|
451 } |
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
|
452 out++; |
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
|
453 } |
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
|
454 if (dst >= AH && dst <= BH) { |
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
|
455 dst -= (AH-X86_AH); |
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
|
456 } |
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
|
457 |
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
|
458 *(out++) = OP_SHIFTROT_CL | (size == SZ_B ? 0 : BIT_SIZE); |
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
|
459 *(out++) = MODE_REG_DIRECT | dst | (op_ex << 3); |
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
|
460 return out; |
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
|
461 } |
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
|
462 |
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
|
463 uint8_t * x86_shiftrot_clrdisp8(uint8_t * out, uint8_t op_ex, uint8_t dst, int8_t disp, uint8_t size) |
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
|
464 { |
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
|
465 if (size == SZ_W) { |
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
|
466 *(out++) = PRE_SIZE; |
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
|
467 } |
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
|
468 if (size == SZ_Q || dst >= R8 || (size == SZ_B && dst >= RSP && dst <= RDI)) { |
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
|
469 *out = PRE_REX; |
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
|
470 if (size == SZ_Q) { |
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
|
471 *out |= REX_QUAD; |
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
|
472 } |
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
|
473 if (dst >= R8) { |
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
|
474 *out |= REX_RM_FIELD; |
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
|
475 dst -= (R8 - X86_R8); |
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
|
476 } |
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
|
477 out++; |
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
|
478 } |
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
|
479 if (dst >= AH && dst <= BH) { |
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
|
480 dst -= (AH-X86_AH); |
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
|
481 } |
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
|
482 |
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
|
483 *(out++) = OP_SHIFTROT_CL | (size == SZ_B ? 0 : BIT_SIZE); |
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
|
484 *(out++) = MODE_REG_DISPLACE8 | dst | (op_ex << 3); |
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
|
485 *(out++) = disp; |
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
|
486 return out; |
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
|
487 } |
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
|
488 |
49
d2e43d64e999
Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations
Mike Pavone <pavone@retrodev.com>
parents:
18
diff
changeset
|
489 uint8_t * rol_ir(uint8_t * out, uint8_t val, uint8_t dst, uint8_t size) |
d2e43d64e999
Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations
Mike Pavone <pavone@retrodev.com>
parents:
18
diff
changeset
|
490 { |
d2e43d64e999
Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations
Mike Pavone <pavone@retrodev.com>
parents:
18
diff
changeset
|
491 return x86_shiftrot_ir(out, OP_EX_ROL, val, dst, size); |
d2e43d64e999
Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations
Mike Pavone <pavone@retrodev.com>
parents:
18
diff
changeset
|
492 } |
d2e43d64e999
Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations
Mike Pavone <pavone@retrodev.com>
parents:
18
diff
changeset
|
493 |
d2e43d64e999
Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations
Mike Pavone <pavone@retrodev.com>
parents:
18
diff
changeset
|
494 uint8_t * ror_ir(uint8_t * out, uint8_t val, uint8_t dst, uint8_t size) |
d2e43d64e999
Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations
Mike Pavone <pavone@retrodev.com>
parents:
18
diff
changeset
|
495 { |
d2e43d64e999
Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations
Mike Pavone <pavone@retrodev.com>
parents:
18
diff
changeset
|
496 return x86_shiftrot_ir(out, OP_EX_ROR, val, dst, size); |
d2e43d64e999
Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations
Mike Pavone <pavone@retrodev.com>
parents:
18
diff
changeset
|
497 } |
d2e43d64e999
Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations
Mike Pavone <pavone@retrodev.com>
parents:
18
diff
changeset
|
498 |
d2e43d64e999
Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations
Mike Pavone <pavone@retrodev.com>
parents:
18
diff
changeset
|
499 uint8_t * rcl_ir(uint8_t * out, uint8_t val, uint8_t dst, uint8_t size) |
d2e43d64e999
Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations
Mike Pavone <pavone@retrodev.com>
parents:
18
diff
changeset
|
500 { |
d2e43d64e999
Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations
Mike Pavone <pavone@retrodev.com>
parents:
18
diff
changeset
|
501 return x86_shiftrot_ir(out, OP_EX_RCL, val, dst, size); |
d2e43d64e999
Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations
Mike Pavone <pavone@retrodev.com>
parents:
18
diff
changeset
|
502 } |
d2e43d64e999
Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations
Mike Pavone <pavone@retrodev.com>
parents:
18
diff
changeset
|
503 |
d2e43d64e999
Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations
Mike Pavone <pavone@retrodev.com>
parents:
18
diff
changeset
|
504 uint8_t * rcr_ir(uint8_t * out, uint8_t val, uint8_t dst, uint8_t size) |
d2e43d64e999
Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations
Mike Pavone <pavone@retrodev.com>
parents:
18
diff
changeset
|
505 { |
d2e43d64e999
Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations
Mike Pavone <pavone@retrodev.com>
parents:
18
diff
changeset
|
506 return x86_shiftrot_ir(out, OP_EX_RCR, val, dst, size); |
d2e43d64e999
Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations
Mike Pavone <pavone@retrodev.com>
parents:
18
diff
changeset
|
507 } |
d2e43d64e999
Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations
Mike Pavone <pavone@retrodev.com>
parents:
18
diff
changeset
|
508 |
d2e43d64e999
Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations
Mike Pavone <pavone@retrodev.com>
parents:
18
diff
changeset
|
509 uint8_t * shl_ir(uint8_t * out, uint8_t val, uint8_t dst, uint8_t size) |
d2e43d64e999
Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations
Mike Pavone <pavone@retrodev.com>
parents:
18
diff
changeset
|
510 { |
d2e43d64e999
Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations
Mike Pavone <pavone@retrodev.com>
parents:
18
diff
changeset
|
511 return x86_shiftrot_ir(out, OP_EX_SHL, val, dst, size); |
d2e43d64e999
Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations
Mike Pavone <pavone@retrodev.com>
parents:
18
diff
changeset
|
512 } |
d2e43d64e999
Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations
Mike Pavone <pavone@retrodev.com>
parents:
18
diff
changeset
|
513 |
d2e43d64e999
Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations
Mike Pavone <pavone@retrodev.com>
parents:
18
diff
changeset
|
514 uint8_t * shr_ir(uint8_t * out, uint8_t val, uint8_t dst, uint8_t size) |
d2e43d64e999
Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations
Mike Pavone <pavone@retrodev.com>
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515 { |
d2e43d64e999
Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations
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516 return x86_shiftrot_ir(out, OP_EX_SHR, val, dst, size); |
d2e43d64e999
Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations
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517 } |
d2e43d64e999
Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations
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518 |
d2e43d64e999
Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations
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519 uint8_t * sar_ir(uint8_t * out, uint8_t val, uint8_t dst, uint8_t size) |
d2e43d64e999
Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations
Mike Pavone <pavone@retrodev.com>
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520 { |
d2e43d64e999
Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations
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521 return x86_shiftrot_ir(out, OP_EX_SAR, val, dst, size); |
d2e43d64e999
Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations
Mike Pavone <pavone@retrodev.com>
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522 } |
d2e43d64e999
Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations
Mike Pavone <pavone@retrodev.com>
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523 |
d2e43d64e999
Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations
Mike Pavone <pavone@retrodev.com>
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524 uint8_t * rol_irdisp8(uint8_t * out, uint8_t val, uint8_t dst_base, int8_t disp, uint8_t size) |
d2e43d64e999
Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations
Mike Pavone <pavone@retrodev.com>
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525 { |
d2e43d64e999
Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations
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526 return x86_shiftrot_irdisp8(out, OP_EX_ROL, val, dst_base, disp, size); |
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Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations
Mike Pavone <pavone@retrodev.com>
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527 } |
d2e43d64e999
Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations
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528 |
d2e43d64e999
Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations
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529 uint8_t * ror_irdisp8(uint8_t * out, uint8_t val, uint8_t dst_base, int8_t disp, uint8_t size) |
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Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations
Mike Pavone <pavone@retrodev.com>
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530 { |
d2e43d64e999
Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations
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531 return x86_shiftrot_irdisp8(out, OP_EX_ROR, val, dst_base, disp, size); |
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Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations
Mike Pavone <pavone@retrodev.com>
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532 } |
d2e43d64e999
Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations
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533 |
d2e43d64e999
Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations
Mike Pavone <pavone@retrodev.com>
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534 uint8_t * rcl_irdisp8(uint8_t * out, uint8_t val, uint8_t dst_base, int8_t disp, uint8_t size) |
d2e43d64e999
Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations
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535 { |
d2e43d64e999
Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations
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536 return x86_shiftrot_irdisp8(out, OP_EX_RCL, val, dst_base, disp, size); |
d2e43d64e999
Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations
Mike Pavone <pavone@retrodev.com>
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537 } |
d2e43d64e999
Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations
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538 |
d2e43d64e999
Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations
Mike Pavone <pavone@retrodev.com>
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539 uint8_t * rcr_irdisp8(uint8_t * out, uint8_t val, uint8_t dst_base, int8_t disp, uint8_t size) |
d2e43d64e999
Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations
Mike Pavone <pavone@retrodev.com>
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540 { |
d2e43d64e999
Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations
Mike Pavone <pavone@retrodev.com>
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541 return x86_shiftrot_irdisp8(out, OP_EX_RCR, val, dst_base, disp, size); |
d2e43d64e999
Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations
Mike Pavone <pavone@retrodev.com>
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18
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542 } |
d2e43d64e999
Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations
Mike Pavone <pavone@retrodev.com>
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18
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543 |
d2e43d64e999
Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations
Mike Pavone <pavone@retrodev.com>
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changeset
|
544 uint8_t * shl_irdisp8(uint8_t * out, uint8_t val, uint8_t dst_base, int8_t disp, uint8_t size) |
d2e43d64e999
Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations
Mike Pavone <pavone@retrodev.com>
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545 { |
d2e43d64e999
Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations
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546 return x86_shiftrot_irdisp8(out, OP_EX_SHL, val, dst_base, disp, size); |
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Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations
Mike Pavone <pavone@retrodev.com>
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547 } |
d2e43d64e999
Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations
Mike Pavone <pavone@retrodev.com>
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548 |
d2e43d64e999
Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations
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549 uint8_t * shr_irdisp8(uint8_t * out, uint8_t val, uint8_t dst_base, int8_t disp, uint8_t size) |
d2e43d64e999
Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations
Mike Pavone <pavone@retrodev.com>
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diff
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550 { |
d2e43d64e999
Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations
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551 return x86_shiftrot_irdisp8(out, OP_EX_SHR, val, dst_base, disp, size); |
d2e43d64e999
Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations
Mike Pavone <pavone@retrodev.com>
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552 } |
d2e43d64e999
Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations
Mike Pavone <pavone@retrodev.com>
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553 |
d2e43d64e999
Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations
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|
554 uint8_t * sar_irdisp8(uint8_t * out, uint8_t val, uint8_t dst_base, int8_t disp, uint8_t size) |
d2e43d64e999
Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations
Mike Pavone <pavone@retrodev.com>
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555 { |
d2e43d64e999
Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations
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556 return x86_shiftrot_irdisp8(out, OP_EX_SAR, val, dst_base, disp, size); |
d2e43d64e999
Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations
Mike Pavone <pavone@retrodev.com>
parents:
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557 } |
d2e43d64e999
Add untested support for and, eor, or, swap, tst and nop instructions. Add call to m68k_save_result for add and sub so that they will properly save results for memory destinations
Mike Pavone <pavone@retrodev.com>
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|
558 |
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
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|
559 uint8_t * rol_clr(uint8_t * out, uint8_t dst, uint8_t size) |
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
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|
560 { |
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
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561 return x86_shiftrot_clr(out, OP_EX_ROL, dst, size); |
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
|
562 } |
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
|
563 |
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
|
564 uint8_t * ror_clr(uint8_t * out, uint8_t dst, uint8_t size) |
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
|
565 { |
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
|
566 return x86_shiftrot_clr(out, OP_EX_ROR, dst, size); |
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
|
567 } |
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
|
568 |
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
|
569 uint8_t * rcl_clr(uint8_t * out, uint8_t dst, uint8_t size) |
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
|
570 { |
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
|
571 return x86_shiftrot_clr(out, OP_EX_RCL, dst, size); |
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
|
572 } |
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
|
573 |
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
|
574 uint8_t * rcr_clr(uint8_t * out, uint8_t dst, uint8_t size) |
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
|
575 { |
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
|
576 return x86_shiftrot_clr(out, OP_EX_RCR, dst, size); |
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
|
577 } |
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
|
578 |
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
|
579 uint8_t * shl_clr(uint8_t * out, uint8_t dst, uint8_t size) |
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
|
580 { |
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
|
581 return x86_shiftrot_clr(out, OP_EX_SHL, dst, size); |
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
|
582 } |
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
|
583 |
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
|
584 uint8_t * shr_clr(uint8_t * out, uint8_t dst, uint8_t size) |
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
|
585 { |
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
|
586 return x86_shiftrot_clr(out, OP_EX_SHR, dst, size); |
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
|
587 } |
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
|
588 |
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
|
589 uint8_t * sar_clr(uint8_t * out, uint8_t dst, uint8_t size) |
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
|
590 { |
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
|
591 return x86_shiftrot_clr(out, OP_EX_SAR, dst, size); |
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
|
592 } |
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
|
593 |
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
|
594 uint8_t * rol_clrdisp8(uint8_t * out, uint8_t dst_base, int8_t disp, uint8_t size) |
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
|
595 { |
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
|
596 return x86_shiftrot_clrdisp8(out, OP_EX_ROL, dst_base, disp, size); |
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
|
597 } |
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
|
598 |
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
|
599 uint8_t * ror_clrdisp8(uint8_t * out, uint8_t dst_base, int8_t disp, uint8_t size) |
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
|
600 { |
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
|
601 return x86_shiftrot_clrdisp8(out, OP_EX_ROR, dst_base, disp, size); |
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
|
602 } |
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
|
603 |
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
|
604 uint8_t * rcl_clrdisp8(uint8_t * out, uint8_t dst_base, int8_t disp, uint8_t size) |
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
|
605 { |
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
|
606 return x86_shiftrot_clrdisp8(out, OP_EX_RCL, dst_base, disp, size); |
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
|
607 } |
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
|
608 |
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
|
609 uint8_t * rcr_clrdisp8(uint8_t * out, uint8_t dst_base, int8_t disp, uint8_t size) |
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
|
610 { |
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
|
611 return x86_shiftrot_clrdisp8(out, OP_EX_RCR, dst_base, disp, size); |
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
|
612 } |
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
|
613 |
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
|
614 uint8_t * shl_clrdisp8(uint8_t * out, uint8_t dst_base, int8_t disp, uint8_t size) |
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
|
615 { |
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
|
616 return x86_shiftrot_clrdisp8(out, OP_EX_SHL, dst_base, disp, size); |
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
|
617 } |
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
|
618 |
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
|
619 uint8_t * shr_clrdisp8(uint8_t * out, uint8_t dst_base, int8_t disp, uint8_t size) |
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
|
620 { |
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
|
621 return x86_shiftrot_clrdisp8(out, OP_EX_SHR, dst_base, disp, size); |
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
|
622 } |
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
|
623 |
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
|
624 uint8_t * sar_clrdisp8(uint8_t * out, uint8_t dst_base, int8_t disp, uint8_t size) |
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
|
625 { |
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
|
626 return x86_shiftrot_clrdisp8(out, OP_EX_SAR, dst_base, disp, size); |
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
|
627 } |
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
|
628 |
14
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
629 uint8_t * add_rr(uint8_t * out, uint8_t src, uint8_t dst, uint8_t size) |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
630 { |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
631 return x86_rr_sizedir(out, OP_ADD, src, dst, size); |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
632 } |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
633 |
15
c0f339564819
Make x86 generator generic with respect to operand size for immediate parameters.
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
634 uint8_t * add_ir(uint8_t * out, int32_t val, uint8_t dst, uint8_t size) |
14
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
635 { |
15
c0f339564819
Make x86 generator generic with respect to operand size for immediate parameters.
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
636 return x86_ir(out, OP_IMMED_ARITH, OP_EX_ADDI, OP_ADD, val, dst, size); |
14
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
637 } |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
638 |
18
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
639 uint8_t * add_irdisp8(uint8_t * out, int32_t val, uint8_t dst_base, int8_t disp, uint8_t size) |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
640 { |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
641 return x86_irdisp8(out, OP_IMMED_ARITH, OP_EX_ADDI, val, dst_base, disp, size); |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
642 } |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
643 |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
644 uint8_t * add_rrdisp8(uint8_t * out, uint8_t src, uint8_t dst_base, int8_t disp, uint8_t size) |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
645 { |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
646 return x86_rrdisp8_sizedir(out, OP_ADD, src, dst_base, disp, size, 0); |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
647 } |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
648 |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
649 uint8_t * add_rdisp8r(uint8_t * out, uint8_t src_base, int8_t disp, uint8_t dst, uint8_t size) |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
650 { |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
651 return x86_rrdisp8_sizedir(out, OP_ADD, dst, src_base, disp, size, BIT_DIR); |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
652 } |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
653 |
14
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
654 uint8_t * or_rr(uint8_t * out, uint8_t src, uint8_t dst, uint8_t size) |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
655 { |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
656 return x86_rr_sizedir(out, OP_OR, src, dst, size); |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
657 } |
15
c0f339564819
Make x86 generator generic with respect to operand size for immediate parameters.
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
658 uint8_t * or_ir(uint8_t * out, int32_t val, uint8_t dst, uint8_t size) |
14
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
659 { |
15
c0f339564819
Make x86 generator generic with respect to operand size for immediate parameters.
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
660 return x86_ir(out, OP_IMMED_ARITH, OP_EX_ORI, OP_OR, val, dst, size); |
14
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
661 } |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
662 |
18
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
663 uint8_t * or_irdisp8(uint8_t * out, int32_t val, uint8_t dst_base, int8_t disp, uint8_t size) |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
664 { |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
665 return x86_irdisp8(out, OP_IMMED_ARITH, OP_EX_ORI, val, dst_base, disp, size); |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
666 } |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
667 |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
668 uint8_t * or_rrdisp8(uint8_t * out, uint8_t src, uint8_t dst_base, int8_t disp, uint8_t size) |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
669 { |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
670 return x86_rrdisp8_sizedir(out, OP_OR, src, dst_base, disp, size, 0); |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
671 } |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
672 |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
673 uint8_t * or_rdisp8r(uint8_t * out, uint8_t src_base, int8_t disp, uint8_t dst, uint8_t size) |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
674 { |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
675 return x86_rrdisp8_sizedir(out, OP_OR, dst, src_base, disp, size, BIT_DIR); |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
676 } |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
677 |
14
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
678 uint8_t * and_rr(uint8_t * out, uint8_t src, uint8_t dst, uint8_t size) |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
679 { |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
680 return x86_rr_sizedir(out, OP_AND, src, dst, size); |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
681 } |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
682 |
15
c0f339564819
Make x86 generator generic with respect to operand size for immediate parameters.
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
683 uint8_t * and_ir(uint8_t * out, int32_t val, uint8_t dst, uint8_t size) |
14
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
684 { |
15
c0f339564819
Make x86 generator generic with respect to operand size for immediate parameters.
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
685 return x86_ir(out, OP_IMMED_ARITH, OP_EX_ANDI, OP_AND, val, dst, size); |
14
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
686 } |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
687 |
18
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
688 uint8_t * and_irdisp8(uint8_t * out, int32_t val, uint8_t dst_base, int8_t disp, uint8_t size) |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
689 { |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
690 return x86_irdisp8(out, OP_IMMED_ARITH, OP_EX_ANDI, val, dst_base, disp, size); |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
691 } |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
692 |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
693 uint8_t * and_rrdisp8(uint8_t * out, uint8_t src, uint8_t dst_base, int8_t disp, uint8_t size) |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
694 { |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
695 return x86_rrdisp8_sizedir(out, OP_AND, src, dst_base, disp, size, 0); |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
696 } |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
697 |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
698 uint8_t * and_rdisp8r(uint8_t * out, uint8_t src_base, int8_t disp, uint8_t dst, uint8_t size) |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
699 { |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
700 return x86_rrdisp8_sizedir(out, OP_AND, dst, src_base, disp, size, BIT_DIR); |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
701 } |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
702 |
14
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
703 uint8_t * xor_rr(uint8_t * out, uint8_t src, uint8_t dst, uint8_t size) |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
704 { |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
705 return x86_rr_sizedir(out, OP_XOR, src, dst, size); |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
706 } |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
707 |
15
c0f339564819
Make x86 generator generic with respect to operand size for immediate parameters.
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
708 uint8_t * xor_ir(uint8_t * out, int32_t val, uint8_t dst, uint8_t size) |
14
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
709 { |
15
c0f339564819
Make x86 generator generic with respect to operand size for immediate parameters.
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
710 return x86_ir(out, OP_IMMED_ARITH, OP_EX_XORI, OP_XOR, val, dst, size); |
14
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
711 } |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
712 |
18
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
713 uint8_t * xor_irdisp8(uint8_t * out, int32_t val, uint8_t dst_base, int8_t disp, uint8_t size) |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
714 { |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
715 return x86_irdisp8(out, OP_IMMED_ARITH, OP_EX_XORI, val, dst_base, disp, size); |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
716 } |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
717 |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
718 uint8_t * xor_rrdisp8(uint8_t * out, uint8_t src, uint8_t dst_base, int8_t disp, uint8_t size) |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
719 { |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
720 return x86_rrdisp8_sizedir(out, OP_XOR, src, dst_base, disp, size, 0); |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
721 } |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
722 |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
723 uint8_t * xor_rdisp8r(uint8_t * out, uint8_t src_base, int8_t disp, uint8_t dst, uint8_t size) |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
724 { |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
725 return x86_rrdisp8_sizedir(out, OP_XOR, dst, src_base, disp, size, BIT_DIR); |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
726 } |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
727 |
14
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
728 uint8_t * sub_rr(uint8_t * out, uint8_t src, uint8_t dst, uint8_t size) |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
729 { |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
730 return x86_rr_sizedir(out, OP_SUB, src, dst, size); |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
731 } |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
732 |
15
c0f339564819
Make x86 generator generic with respect to operand size for immediate parameters.
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
733 uint8_t * sub_ir(uint8_t * out, int32_t val, uint8_t dst, uint8_t size) |
14
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
734 { |
15
c0f339564819
Make x86 generator generic with respect to operand size for immediate parameters.
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
735 return x86_ir(out, OP_IMMED_ARITH, OP_EX_SUBI, OP_SUB, val, dst, size); |
14
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
736 } |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
737 |
18
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
738 uint8_t * sub_irdisp8(uint8_t * out, int32_t val, uint8_t dst_base, int8_t disp, uint8_t size) |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
739 { |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
740 return x86_irdisp8(out, OP_IMMED_ARITH, OP_EX_SUBI, val, dst_base, disp, size); |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
741 } |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
742 |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
743 uint8_t * sub_rrdisp8(uint8_t * out, uint8_t src, uint8_t dst_base, int8_t disp, uint8_t size) |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
744 { |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
745 return x86_rrdisp8_sizedir(out, OP_SUB, src, dst_base, disp, size, 0); |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
746 } |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
747 |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
748 uint8_t * sub_rdisp8r(uint8_t * out, uint8_t src_base, int8_t disp, uint8_t dst, uint8_t size) |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
749 { |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
750 return x86_rrdisp8_sizedir(out, OP_SUB, dst, src_base, disp, size, BIT_DIR); |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
751 } |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
752 |
14
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
753 uint8_t * cmp_rr(uint8_t * out, uint8_t src, uint8_t dst, uint8_t size) |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
754 { |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
755 return x86_rr_sizedir(out, OP_CMP, src, dst, size); |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
756 } |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
757 |
15
c0f339564819
Make x86 generator generic with respect to operand size for immediate parameters.
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
758 uint8_t * cmp_ir(uint8_t * out, int32_t val, uint8_t dst, uint8_t size) |
14
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
759 { |
15
c0f339564819
Make x86 generator generic with respect to operand size for immediate parameters.
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
760 return x86_ir(out, OP_IMMED_ARITH, OP_EX_CMPI, OP_CMP, val, dst, size); |
14
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
761 } |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
762 |
18
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
763 uint8_t * cmp_irdisp8(uint8_t * out, int32_t val, uint8_t dst_base, int8_t disp, uint8_t size) |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
764 { |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
765 return x86_irdisp8(out, OP_IMMED_ARITH, OP_EX_CMPI, val, dst_base, disp, size); |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
766 } |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
767 |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
768 uint8_t * cmp_rrdisp8(uint8_t * out, uint8_t src, uint8_t dst_base, int8_t disp, uint8_t size) |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
769 { |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
770 return x86_rrdisp8_sizedir(out, OP_CMP, src, dst_base, disp, size, 0); |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
771 } |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
772 |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
773 uint8_t * cmp_rdisp8r(uint8_t * out, uint8_t src_base, int8_t disp, uint8_t dst, uint8_t size) |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
774 { |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
775 return x86_rrdisp8_sizedir(out, OP_CMP, dst, src_base, disp, size, BIT_DIR); |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
776 } |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
777 |
82
6331ddec228f
Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents:
81
diff
changeset
|
778 uint8_t * not_r(uint8_t * out, uint8_t dst, uint8_t size) |
6331ddec228f
Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents:
81
diff
changeset
|
779 { |
6331ddec228f
Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents:
81
diff
changeset
|
780 return x86_r_size(out, OP_NOT_NEG, OP_EX_NOT, dst, size); |
6331ddec228f
Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents:
81
diff
changeset
|
781 } |
6331ddec228f
Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents:
81
diff
changeset
|
782 |
6331ddec228f
Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents:
81
diff
changeset
|
783 uint8_t * neg_r(uint8_t * out, uint8_t dst, uint8_t size) |
6331ddec228f
Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents:
81
diff
changeset
|
784 { |
6331ddec228f
Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents:
81
diff
changeset
|
785 return x86_r_size(out, OP_NOT_NEG, OP_EX_NEG, dst, size); |
6331ddec228f
Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents:
81
diff
changeset
|
786 } |
6331ddec228f
Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents:
81
diff
changeset
|
787 |
6331ddec228f
Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents:
81
diff
changeset
|
788 uint8_t * not_rdisp8(uint8_t * out, uint8_t dst_base, int8_t disp, uint8_t size) |
6331ddec228f
Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents:
81
diff
changeset
|
789 { |
6331ddec228f
Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents:
81
diff
changeset
|
790 return x86_rdisp8_size(out, OP_NOT_NEG, OP_EX_NOT, dst_base, disp, size); |
6331ddec228f
Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents:
81
diff
changeset
|
791 } |
6331ddec228f
Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents:
81
diff
changeset
|
792 |
6331ddec228f
Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents:
81
diff
changeset
|
793 uint8_t * neg_rdisp8(uint8_t * out, uint8_t dst_base, int8_t disp, uint8_t size) |
6331ddec228f
Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents:
81
diff
changeset
|
794 { |
6331ddec228f
Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents:
81
diff
changeset
|
795 return x86_rdisp8_size(out, OP_NOT_NEG, OP_EX_NEG, dst_base, disp, size); |
6331ddec228f
Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents:
81
diff
changeset
|
796 } |
6331ddec228f
Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents:
81
diff
changeset
|
797 |
14
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
798 uint8_t * mov_rr(uint8_t * out, uint8_t src, uint8_t dst, uint8_t size) |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
799 { |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
800 return x86_rr_sizedir(out, OP_MOV, src, dst, size); |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
801 } |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
802 |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
803 uint8_t * mov_rrdisp8(uint8_t * out, uint8_t src, uint8_t dst_base, int8_t disp, uint8_t size) |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
804 { |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
805 return x86_rrdisp8_sizedir(out, OP_MOV, src, dst_base, disp, size, 0); |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
806 } |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
807 |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
808 uint8_t * mov_rdisp8r(uint8_t * out, uint8_t src_base, int8_t disp, uint8_t dst, uint8_t size) |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
809 { |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
810 return x86_rrdisp8_sizedir(out, OP_MOV, dst, src_base, disp, size, BIT_DIR); |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
811 } |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
812 |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
813 uint8_t * mov_rrind(uint8_t * out, uint8_t src, uint8_t dst, uint8_t size) |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
814 { |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
815 return x86_rrind_sizedir(out, OP_MOV, src, dst, size, 0); |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
816 } |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
817 |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
818 uint8_t * mov_rindr(uint8_t * out, uint8_t src, uint8_t dst, uint8_t size) |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
819 { |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
820 return x86_rrind_sizedir(out, OP_MOV, dst, src, size, BIT_DIR); |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
821 } |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
822 |
15
c0f339564819
Make x86 generator generic with respect to operand size for immediate parameters.
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
823 uint8_t * mov_ir(uint8_t * out, int64_t val, uint8_t dst, uint8_t size) |
c0f339564819
Make x86 generator generic with respect to operand size for immediate parameters.
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
824 { |
c0f339564819
Make x86 generator generic with respect to operand size for immediate parameters.
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
825 uint8_t sign_extend = 0; |
c0f339564819
Make x86 generator generic with respect to operand size for immediate parameters.
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
826 if (size == SZ_Q && val <= 0x7FFFFFFF && val >= -2147483648) { |
c0f339564819
Make x86 generator generic with respect to operand size for immediate parameters.
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
827 sign_extend = 1; |
c0f339564819
Make x86 generator generic with respect to operand size for immediate parameters.
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
828 } |
c0f339564819
Make x86 generator generic with respect to operand size for immediate parameters.
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
829 if (size == SZ_W) { |
c0f339564819
Make x86 generator generic with respect to operand size for immediate parameters.
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
830 *(out++) = PRE_SIZE; |
14
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
831 } |
15
c0f339564819
Make x86 generator generic with respect to operand size for immediate parameters.
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
832 if (size == SZ_Q || dst >= R8 || (size == SZ_B && dst >= RSP && dst <= RDI)) { |
c0f339564819
Make x86 generator generic with respect to operand size for immediate parameters.
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
833 *out = PRE_REX; |
c0f339564819
Make x86 generator generic with respect to operand size for immediate parameters.
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
834 if (size == SZ_Q) { |
c0f339564819
Make x86 generator generic with respect to operand size for immediate parameters.
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
835 *out |= REX_QUAD; |
c0f339564819
Make x86 generator generic with respect to operand size for immediate parameters.
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
836 } |
c0f339564819
Make x86 generator generic with respect to operand size for immediate parameters.
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
837 if (dst >= R8) { |
c0f339564819
Make x86 generator generic with respect to operand size for immediate parameters.
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
838 *out |= REX_RM_FIELD; |
c0f339564819
Make x86 generator generic with respect to operand size for immediate parameters.
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
839 dst -= (R8 - X86_R8); |
c0f339564819
Make x86 generator generic with respect to operand size for immediate parameters.
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
840 } |
c0f339564819
Make x86 generator generic with respect to operand size for immediate parameters.
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
841 out++; |
c0f339564819
Make x86 generator generic with respect to operand size for immediate parameters.
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
842 } |
c0f339564819
Make x86 generator generic with respect to operand size for immediate parameters.
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
843 if (dst >= AH && dst <= BH) { |
c0f339564819
Make x86 generator generic with respect to operand size for immediate parameters.
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
844 dst -= (AH-X86_AH); |
14
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
845 } |
15
c0f339564819
Make x86 generator generic with respect to operand size for immediate parameters.
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
846 if (size == SZ_B) { |
18
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
847 *(out++) = OP_MOV_I8R | dst; |
15
c0f339564819
Make x86 generator generic with respect to operand size for immediate parameters.
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
848 } else if (size == SZ_Q && sign_extend) { |
c0f339564819
Make x86 generator generic with respect to operand size for immediate parameters.
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
849 *(out++) = OP_MOV_IEA | BIT_SIZE; |
c0f339564819
Make x86 generator generic with respect to operand size for immediate parameters.
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
850 *(out++) = MODE_REG_DIRECT | dst; |
c0f339564819
Make x86 generator generic with respect to operand size for immediate parameters.
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
851 } else { |
18
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
852 *(out++) = OP_MOV_IR | dst; |
15
c0f339564819
Make x86 generator generic with respect to operand size for immediate parameters.
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
853 } |
14
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
854 *(out++) = val; |
15
c0f339564819
Make x86 generator generic with respect to operand size for immediate parameters.
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
855 if (size != SZ_B) { |
c0f339564819
Make x86 generator generic with respect to operand size for immediate parameters.
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
856 val >>= 8; |
c0f339564819
Make x86 generator generic with respect to operand size for immediate parameters.
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
857 *(out++) = val; |
c0f339564819
Make x86 generator generic with respect to operand size for immediate parameters.
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
858 if (size != SZ_W) { |
c0f339564819
Make x86 generator generic with respect to operand size for immediate parameters.
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
859 val >>= 8; |
c0f339564819
Make x86 generator generic with respect to operand size for immediate parameters.
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
860 *(out++) = val; |
c0f339564819
Make x86 generator generic with respect to operand size for immediate parameters.
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
861 val >>= 8; |
c0f339564819
Make x86 generator generic with respect to operand size for immediate parameters.
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
862 *(out++) = val; |
c0f339564819
Make x86 generator generic with respect to operand size for immediate parameters.
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
863 if (size == SZ_Q && !sign_extend) { |
c0f339564819
Make x86 generator generic with respect to operand size for immediate parameters.
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
864 val >>= 8; |
c0f339564819
Make x86 generator generic with respect to operand size for immediate parameters.
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
865 *(out++) = val; |
c0f339564819
Make x86 generator generic with respect to operand size for immediate parameters.
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
866 val >>= 8; |
c0f339564819
Make x86 generator generic with respect to operand size for immediate parameters.
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
867 *(out++) = val; |
c0f339564819
Make x86 generator generic with respect to operand size for immediate parameters.
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
868 val >>= 8; |
c0f339564819
Make x86 generator generic with respect to operand size for immediate parameters.
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
869 *(out++) = val; |
c0f339564819
Make x86 generator generic with respect to operand size for immediate parameters.
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
870 val >>= 8; |
c0f339564819
Make x86 generator generic with respect to operand size for immediate parameters.
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
871 *(out++) = val; |
c0f339564819
Make x86 generator generic with respect to operand size for immediate parameters.
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
872 } |
c0f339564819
Make x86 generator generic with respect to operand size for immediate parameters.
Mike Pavone <pavone@retrodev.com>
parents:
14
diff
changeset
|
873 } |
14
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
874 } |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
875 return out; |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
876 } |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
877 |
18
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
878 uint8_t * mov_irdisp8(uint8_t * out, int32_t val, uint8_t dst, int8_t disp, uint8_t size) |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
879 { |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
880 if (size == SZ_W) { |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
881 *(out++) = PRE_SIZE; |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
882 } |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
883 if (size == SZ_Q || dst >= R8 || (size == SZ_B && dst >= RSP && dst <= RDI)) { |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
884 *out = PRE_REX; |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
885 if (size == SZ_Q) { |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
886 *out |= REX_QUAD; |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
887 } |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
888 if (dst >= R8) { |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
889 *out |= REX_RM_FIELD; |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
890 dst -= (R8 - X86_R8); |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
891 } |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
892 out++; |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
893 } |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
894 if (dst >= AH && dst <= BH) { |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
895 dst -= (AH-X86_AH); |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
896 } |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
897 *(out++) = OP_MOV_IEA | (size == SZ_B ? 0 : BIT_SIZE); |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
898 *(out++) = MODE_REG_DISPLACE8 | dst; |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
899 *(out++) = disp; |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
900 |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
901 *(out++) = val; |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
902 if (size != SZ_B) { |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
903 val >>= 8; |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
904 *(out++) = val; |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
905 if (size != SZ_W) { |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
906 val >>= 8; |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
907 *(out++) = val; |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
908 val >>= 8; |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
909 *(out++) = val; |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
910 } |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
911 } |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
912 return out; |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
913 } |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
914 |
71
f80fa1776507
Implement more instructions and address modes
Mike Pavone <pavone@retrodev.com>
parents:
61
diff
changeset
|
915 uint8_t * mov_irind(uint8_t * out, int32_t val, uint8_t dst, uint8_t size) |
f80fa1776507
Implement more instructions and address modes
Mike Pavone <pavone@retrodev.com>
parents:
61
diff
changeset
|
916 { |
f80fa1776507
Implement more instructions and address modes
Mike Pavone <pavone@retrodev.com>
parents:
61
diff
changeset
|
917 if (size == SZ_W) { |
f80fa1776507
Implement more instructions and address modes
Mike Pavone <pavone@retrodev.com>
parents:
61
diff
changeset
|
918 *(out++) = PRE_SIZE; |
f80fa1776507
Implement more instructions and address modes
Mike Pavone <pavone@retrodev.com>
parents:
61
diff
changeset
|
919 } |
f80fa1776507
Implement more instructions and address modes
Mike Pavone <pavone@retrodev.com>
parents:
61
diff
changeset
|
920 if (size == SZ_Q || dst >= R8 || (size == SZ_B && dst >= RSP && dst <= RDI)) { |
f80fa1776507
Implement more instructions and address modes
Mike Pavone <pavone@retrodev.com>
parents:
61
diff
changeset
|
921 *out = PRE_REX; |
f80fa1776507
Implement more instructions and address modes
Mike Pavone <pavone@retrodev.com>
parents:
61
diff
changeset
|
922 if (size == SZ_Q) { |
f80fa1776507
Implement more instructions and address modes
Mike Pavone <pavone@retrodev.com>
parents:
61
diff
changeset
|
923 *out |= REX_QUAD; |
f80fa1776507
Implement more instructions and address modes
Mike Pavone <pavone@retrodev.com>
parents:
61
diff
changeset
|
924 } |
f80fa1776507
Implement more instructions and address modes
Mike Pavone <pavone@retrodev.com>
parents:
61
diff
changeset
|
925 if (dst >= R8) { |
f80fa1776507
Implement more instructions and address modes
Mike Pavone <pavone@retrodev.com>
parents:
61
diff
changeset
|
926 *out |= REX_RM_FIELD; |
f80fa1776507
Implement more instructions and address modes
Mike Pavone <pavone@retrodev.com>
parents:
61
diff
changeset
|
927 dst -= (R8 - X86_R8); |
f80fa1776507
Implement more instructions and address modes
Mike Pavone <pavone@retrodev.com>
parents:
61
diff
changeset
|
928 } |
f80fa1776507
Implement more instructions and address modes
Mike Pavone <pavone@retrodev.com>
parents:
61
diff
changeset
|
929 out++; |
f80fa1776507
Implement more instructions and address modes
Mike Pavone <pavone@retrodev.com>
parents:
61
diff
changeset
|
930 } |
f80fa1776507
Implement more instructions and address modes
Mike Pavone <pavone@retrodev.com>
parents:
61
diff
changeset
|
931 if (dst >= AH && dst <= BH) { |
f80fa1776507
Implement more instructions and address modes
Mike Pavone <pavone@retrodev.com>
parents:
61
diff
changeset
|
932 dst -= (AH-X86_AH); |
f80fa1776507
Implement more instructions and address modes
Mike Pavone <pavone@retrodev.com>
parents:
61
diff
changeset
|
933 } |
f80fa1776507
Implement more instructions and address modes
Mike Pavone <pavone@retrodev.com>
parents:
61
diff
changeset
|
934 *(out++) = OP_MOV_IEA | (size == SZ_B ? 0 : BIT_SIZE); |
f80fa1776507
Implement more instructions and address modes
Mike Pavone <pavone@retrodev.com>
parents:
61
diff
changeset
|
935 *(out++) = MODE_REG_INDIRECT | dst; |
f80fa1776507
Implement more instructions and address modes
Mike Pavone <pavone@retrodev.com>
parents:
61
diff
changeset
|
936 |
f80fa1776507
Implement more instructions and address modes
Mike Pavone <pavone@retrodev.com>
parents:
61
diff
changeset
|
937 *(out++) = val; |
f80fa1776507
Implement more instructions and address modes
Mike Pavone <pavone@retrodev.com>
parents:
61
diff
changeset
|
938 if (size != SZ_B) { |
f80fa1776507
Implement more instructions and address modes
Mike Pavone <pavone@retrodev.com>
parents:
61
diff
changeset
|
939 val >>= 8; |
f80fa1776507
Implement more instructions and address modes
Mike Pavone <pavone@retrodev.com>
parents:
61
diff
changeset
|
940 *(out++) = val; |
f80fa1776507
Implement more instructions and address modes
Mike Pavone <pavone@retrodev.com>
parents:
61
diff
changeset
|
941 if (size != SZ_W) { |
f80fa1776507
Implement more instructions and address modes
Mike Pavone <pavone@retrodev.com>
parents:
61
diff
changeset
|
942 val >>= 8; |
f80fa1776507
Implement more instructions and address modes
Mike Pavone <pavone@retrodev.com>
parents:
61
diff
changeset
|
943 *(out++) = val; |
f80fa1776507
Implement more instructions and address modes
Mike Pavone <pavone@retrodev.com>
parents:
61
diff
changeset
|
944 val >>= 8; |
f80fa1776507
Implement more instructions and address modes
Mike Pavone <pavone@retrodev.com>
parents:
61
diff
changeset
|
945 *(out++) = val; |
f80fa1776507
Implement more instructions and address modes
Mike Pavone <pavone@retrodev.com>
parents:
61
diff
changeset
|
946 } |
f80fa1776507
Implement more instructions and address modes
Mike Pavone <pavone@retrodev.com>
parents:
61
diff
changeset
|
947 } |
f80fa1776507
Implement more instructions and address modes
Mike Pavone <pavone@retrodev.com>
parents:
61
diff
changeset
|
948 return out; |
f80fa1776507
Implement more instructions and address modes
Mike Pavone <pavone@retrodev.com>
parents:
61
diff
changeset
|
949 } |
f80fa1776507
Implement more instructions and address modes
Mike Pavone <pavone@retrodev.com>
parents:
61
diff
changeset
|
950 |
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:
71
diff
changeset
|
951 uint8_t * movsx_rr(uint8_t * out, uint8_t src, uint8_t dst, uint8_t src_size, uint8_t size) |
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:
71
diff
changeset
|
952 { |
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:
71
diff
changeset
|
953 if (size == SZ_W) { |
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:
71
diff
changeset
|
954 *(out++) = PRE_SIZE; |
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:
71
diff
changeset
|
955 } |
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:
71
diff
changeset
|
956 if (size == SZ_Q || dst >= R8 || src >= R8) { |
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:
71
diff
changeset
|
957 *out = PRE_REX; |
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:
71
diff
changeset
|
958 if (size == SZ_Q) { |
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:
71
diff
changeset
|
959 *out |= REX_QUAD; |
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:
71
diff
changeset
|
960 } |
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:
71
diff
changeset
|
961 if (src >= R8) { |
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:
71
diff
changeset
|
962 *out |= REX_REG_FIELD; |
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:
71
diff
changeset
|
963 src -= (R8 - X86_R8); |
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:
71
diff
changeset
|
964 } |
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:
71
diff
changeset
|
965 if (dst >= R8) { |
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:
71
diff
changeset
|
966 *out |= REX_RM_FIELD; |
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:
71
diff
changeset
|
967 dst -= (R8 - X86_R8); |
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:
71
diff
changeset
|
968 } |
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:
71
diff
changeset
|
969 out++; |
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:
71
diff
changeset
|
970 } |
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:
71
diff
changeset
|
971 if (src_size == SZ_D) { |
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:
71
diff
changeset
|
972 *(out++) = OP_MOVSXD; |
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:
71
diff
changeset
|
973 } else { |
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:
71
diff
changeset
|
974 *(out++) = PRE_2BYTE; |
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:
71
diff
changeset
|
975 *(out++) = OP2_MOVSX | (src_size == SZ_B ? 0 : BIT_SIZE); |
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:
71
diff
changeset
|
976 } |
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:
71
diff
changeset
|
977 *(out++) = MODE_REG_DIRECT | src | (dst << 3); |
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:
71
diff
changeset
|
978 return out; |
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:
71
diff
changeset
|
979 } |
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:
71
diff
changeset
|
980 |
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:
71
diff
changeset
|
981 uint8_t * movsx_rdisp8r(uint8_t * out, uint8_t src, int8_t disp, uint8_t dst, uint8_t src_size, uint8_t size) |
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:
71
diff
changeset
|
982 { |
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:
71
diff
changeset
|
983 if (size == SZ_W) { |
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:
71
diff
changeset
|
984 *(out++) = PRE_SIZE; |
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:
71
diff
changeset
|
985 } |
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:
71
diff
changeset
|
986 if (size == SZ_Q || dst >= R8 || src >= R8) { |
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:
71
diff
changeset
|
987 *out = PRE_REX; |
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:
71
diff
changeset
|
988 if (size == SZ_Q) { |
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:
71
diff
changeset
|
989 *out |= REX_QUAD; |
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:
71
diff
changeset
|
990 } |
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:
71
diff
changeset
|
991 if (src >= R8) { |
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:
71
diff
changeset
|
992 *out |= REX_REG_FIELD; |
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:
71
diff
changeset
|
993 src -= (R8 - X86_R8); |
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:
71
diff
changeset
|
994 } |
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:
71
diff
changeset
|
995 if (dst >= R8) { |
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:
71
diff
changeset
|
996 *out |= REX_RM_FIELD; |
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:
71
diff
changeset
|
997 dst -= (R8 - X86_R8); |
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:
71
diff
changeset
|
998 } |
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:
71
diff
changeset
|
999 out++; |
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:
71
diff
changeset
|
1000 } |
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:
71
diff
changeset
|
1001 if (src_size == SZ_D) { |
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:
71
diff
changeset
|
1002 *(out++) = OP_MOVSXD; |
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:
71
diff
changeset
|
1003 } else { |
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:
71
diff
changeset
|
1004 *(out++) = PRE_2BYTE; |
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:
71
diff
changeset
|
1005 *(out++) = OP2_MOVSX | (src_size == SZ_B ? 0 : BIT_SIZE); |
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:
71
diff
changeset
|
1006 } |
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:
71
diff
changeset
|
1007 *(out++) = MODE_REG_DISPLACE8 | src | (dst << 3); |
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:
71
diff
changeset
|
1008 *(out++) = disp; |
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:
71
diff
changeset
|
1009 return out; |
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:
71
diff
changeset
|
1010 } |
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:
71
diff
changeset
|
1011 |
14
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
1012 uint8_t * pushf(uint8_t * out) |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
1013 { |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
1014 *(out++) = OP_PUSHF; |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
1015 return out; |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
1016 } |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
1017 |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
1018 uint8_t * popf(uint8_t * out) |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
1019 { |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
1020 *(out++) = OP_POPF; |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
1021 return out; |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
1022 } |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
1023 |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
1024 uint8_t * push_r(uint8_t * out, uint8_t reg) |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
1025 { |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
1026 if (reg >= R8) { |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
1027 *(out++) = PRE_REX | REX_RM_FIELD; |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
1028 reg -= R8 - X86_R8; |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
1029 } |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
1030 *(out++) = OP_PUSH | reg; |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
1031 return out; |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
1032 } |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
1033 |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
1034 uint8_t * pop_r(uint8_t * out, uint8_t reg) |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
1035 { |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
1036 if (reg >= R8) { |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
1037 *(out++) = PRE_REX | REX_RM_FIELD; |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
1038 reg -= R8 - X86_R8; |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
1039 } |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
1040 *(out++) = OP_POP | reg; |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
1041 return out; |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
1042 } |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
1043 |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
1044 uint8_t * setcc_r(uint8_t * out, uint8_t cc, uint8_t dst) |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
1045 { |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
1046 if (dst >= R8) { |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
1047 *(out++) = PRE_REX | REX_RM_FIELD; |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
1048 dst -= R8 - X86_R8; |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
1049 } else if (dst >= RSP && dst <= RDI) { |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
1050 *(out++) = PRE_REX; |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
1051 } else if (dst >= AH && dst <= BH) { |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
1052 dst -= AH - X86_AH; |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
1053 } |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
1054 *(out++) = PRE_2BYTE; |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
1055 *(out++) = OP2_SETCC | cc; |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
1056 *(out++) = MODE_REG_DIRECT | dst; |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
1057 return out; |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
1058 } |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
1059 |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
1060 uint8_t * setcc_rind(uint8_t * out, uint8_t cc, uint8_t dst) |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
1061 { |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
1062 if (dst >= R8) { |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
1063 *(out++) = PRE_REX | REX_RM_FIELD; |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
1064 dst -= R8 - X86_R8; |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
1065 } |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
1066 *(out++) = PRE_2BYTE; |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
1067 *(out++) = OP2_SETCC | cc; |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
1068 *(out++) = MODE_REG_INDIRECT | dst; |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
1069 return out; |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
1070 } |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
1071 |
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:
51
diff
changeset
|
1072 uint8_t * bt_rr(uint8_t * out, uint8_t src, uint8_t dst, uint8_t size) |
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:
51
diff
changeset
|
1073 { |
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:
51
diff
changeset
|
1074 if (size == SZ_W) { |
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:
51
diff
changeset
|
1075 *(out++) = PRE_SIZE; |
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:
51
diff
changeset
|
1076 } |
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:
51
diff
changeset
|
1077 if (size == SZ_Q || src >= R8 || dst >= R8) { |
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:
51
diff
changeset
|
1078 *out = PRE_REX; |
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:
51
diff
changeset
|
1079 if (size == SZ_Q) { |
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:
51
diff
changeset
|
1080 *out |= REX_QUAD; |
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:
51
diff
changeset
|
1081 } |
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:
51
diff
changeset
|
1082 if (src >= R8) { |
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:
51
diff
changeset
|
1083 *out |= REX_REG_FIELD; |
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:
51
diff
changeset
|
1084 src -= (R8 - X86_R8); |
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:
51
diff
changeset
|
1085 } |
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:
51
diff
changeset
|
1086 if (dst >= R8) { |
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:
51
diff
changeset
|
1087 *out |= REX_RM_FIELD; |
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:
51
diff
changeset
|
1088 dst -= (R8 - X86_R8); |
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:
51
diff
changeset
|
1089 } |
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:
51
diff
changeset
|
1090 out++; |
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:
51
diff
changeset
|
1091 } |
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:
51
diff
changeset
|
1092 *(out++) = PRE_2BYTE; |
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:
51
diff
changeset
|
1093 *(out++) = OP2_BT; |
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:
51
diff
changeset
|
1094 *(out++) = MODE_REG_DIRECT | dst | (src << 3); |
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:
51
diff
changeset
|
1095 return out; |
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:
51
diff
changeset
|
1096 } |
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:
51
diff
changeset
|
1097 |
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:
51
diff
changeset
|
1098 uint8_t * bt_rrdisp8(uint8_t * out, uint8_t src, uint8_t dst_base, int8_t dst_disp, uint8_t size) |
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:
51
diff
changeset
|
1099 { |
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:
51
diff
changeset
|
1100 if (size == SZ_W) { |
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:
51
diff
changeset
|
1101 *(out++) = PRE_SIZE; |
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:
51
diff
changeset
|
1102 } |
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:
51
diff
changeset
|
1103 if (size == SZ_Q || src >= R8 || dst_base >= R8) { |
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:
51
diff
changeset
|
1104 *out = PRE_REX; |
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:
51
diff
changeset
|
1105 if (size == SZ_Q) { |
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:
51
diff
changeset
|
1106 *out |= REX_QUAD; |
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:
51
diff
changeset
|
1107 } |
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:
51
diff
changeset
|
1108 if (src >= R8) { |
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:
51
diff
changeset
|
1109 *out |= REX_REG_FIELD; |
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:
51
diff
changeset
|
1110 src -= (R8 - X86_R8); |
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:
51
diff
changeset
|
1111 } |
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:
51
diff
changeset
|
1112 if (dst_base >= R8) { |
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:
51
diff
changeset
|
1113 *out |= REX_RM_FIELD; |
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:
51
diff
changeset
|
1114 dst_base -= (R8 - X86_R8); |
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:
51
diff
changeset
|
1115 } |
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:
51
diff
changeset
|
1116 out++; |
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:
51
diff
changeset
|
1117 } |
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:
51
diff
changeset
|
1118 *(out++) = PRE_2BYTE; |
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:
51
diff
changeset
|
1119 *(out++) = OP2_BT; |
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:
51
diff
changeset
|
1120 *(out++) = MODE_REG_DISPLACE8 | dst_base | (src << 3); |
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:
51
diff
changeset
|
1121 *(out++) = dst_disp; |
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:
51
diff
changeset
|
1122 return out; |
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:
51
diff
changeset
|
1123 } |
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:
51
diff
changeset
|
1124 |
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:
51
diff
changeset
|
1125 uint8_t * bt_ir(uint8_t * out, uint8_t val, uint8_t dst, uint8_t size) |
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:
51
diff
changeset
|
1126 { |
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:
51
diff
changeset
|
1127 if (size == SZ_W) { |
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:
51
diff
changeset
|
1128 *(out++) = PRE_SIZE; |
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:
51
diff
changeset
|
1129 } |
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:
51
diff
changeset
|
1130 if (size == SZ_Q || dst >= R8) { |
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:
51
diff
changeset
|
1131 *out = PRE_REX; |
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:
51
diff
changeset
|
1132 if (size == SZ_Q) { |
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:
51
diff
changeset
|
1133 *out |= REX_QUAD; |
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:
51
diff
changeset
|
1134 } |
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:
51
diff
changeset
|
1135 if (dst >= R8) { |
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:
51
diff
changeset
|
1136 *out |= REX_RM_FIELD; |
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:
51
diff
changeset
|
1137 dst -= (R8 - X86_R8); |
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:
51
diff
changeset
|
1138 } |
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:
51
diff
changeset
|
1139 out++; |
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:
51
diff
changeset
|
1140 } |
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:
51
diff
changeset
|
1141 *(out++) = PRE_2BYTE; |
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:
51
diff
changeset
|
1142 *(out++) = OP2_BTX_I; |
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:
51
diff
changeset
|
1143 *(out++) = MODE_REG_DIRECT | dst | (OP_EX_BT << 3); |
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:
51
diff
changeset
|
1144 *(out++) = val; |
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:
51
diff
changeset
|
1145 return out; |
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:
51
diff
changeset
|
1146 } |
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:
51
diff
changeset
|
1147 |
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:
51
diff
changeset
|
1148 uint8_t * bt_irdisp8(uint8_t * out, uint8_t val, uint8_t dst_base, int8_t dst_disp, uint8_t size) |
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:
51
diff
changeset
|
1149 { |
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:
51
diff
changeset
|
1150 if (size == SZ_W) { |
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:
51
diff
changeset
|
1151 *(out++) = PRE_SIZE; |
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:
51
diff
changeset
|
1152 } |
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:
51
diff
changeset
|
1153 if (size == SZ_Q || dst_base >= R8) { |
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:
51
diff
changeset
|
1154 *out = PRE_REX; |
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:
51
diff
changeset
|
1155 if (size == SZ_Q) { |
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:
51
diff
changeset
|
1156 *out |= REX_QUAD; |
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:
51
diff
changeset
|
1157 } |
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:
51
diff
changeset
|
1158 if (dst_base >= R8) { |
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:
51
diff
changeset
|
1159 *out |= REX_RM_FIELD; |
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:
51
diff
changeset
|
1160 dst_base -= (R8 - X86_R8); |
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:
51
diff
changeset
|
1161 } |
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:
51
diff
changeset
|
1162 out++; |
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:
51
diff
changeset
|
1163 } |
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:
51
diff
changeset
|
1164 *(out++) = PRE_2BYTE; |
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:
51
diff
changeset
|
1165 *(out++) = OP2_BTX_I; |
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:
51
diff
changeset
|
1166 *(out++) = MODE_REG_DISPLACE8 | dst_base | (OP_EX_BT << 3); |
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:
51
diff
changeset
|
1167 *(out++) = dst_disp; |
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:
51
diff
changeset
|
1168 *(out++) = val; |
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:
51
diff
changeset
|
1169 return out; |
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:
51
diff
changeset
|
1170 } |
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:
51
diff
changeset
|
1171 |
18
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
1172 uint8_t * jcc(uint8_t * out, uint8_t cc, uint8_t * dest) |
14
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
1173 { |
18
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
1174 ptrdiff_t disp = dest-(out+2); |
14
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
1175 if (disp <= 0x7F && disp >= -0x80) { |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
1176 *(out++) = OP_JCC | cc; |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
1177 *(out++) = disp; |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
1178 } else { |
18
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
1179 disp = dest-(out+6); |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
1180 if (disp <= 0x7FFFFFFF && disp >= -2147483648) { |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
1181 *(out++) = PRE_2BYTE; |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
1182 *(out++) = OP2_JCC | cc; |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
1183 *(out++) = disp; |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
1184 disp >>= 8; |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
1185 *(out++) = disp; |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
1186 disp >>= 8; |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
1187 *(out++) = disp; |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
1188 disp >>= 8; |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
1189 *(out++) = disp; |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
1190 } else { |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
1191 printf("%p - %p = %lX\n", dest, out + 6, disp); |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
1192 return NULL; |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
1193 } |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
1194 } |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
1195 return out; |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
1196 } |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
1197 |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
1198 uint8_t * jmp(uint8_t * out, uint8_t * dest) |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
1199 { |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
1200 ptrdiff_t disp = dest-(out+2); |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
1201 if (disp <= 0x7F && disp >= -0x80) { |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
1202 *(out++) = OP_JMP_BYTE; |
14
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
1203 *(out++) = disp; |
18
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
1204 } else { |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
1205 disp = dest-(out+5); |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
1206 if (disp <= 0x7FFFFFFF && disp >= -2147483648) { |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
1207 *(out++) = OP_JMP; |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
1208 *(out++) = disp; |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
1209 disp >>= 8; |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
1210 *(out++) = disp; |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
1211 disp >>= 8; |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
1212 *(out++) = disp; |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
1213 disp >>= 8; |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
1214 *(out++) = disp; |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
1215 } else { |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
1216 printf("%p - %p = %lX\n", dest, out + 6, disp); |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
1217 return NULL; |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
1218 } |
14
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
1219 } |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
1220 return out; |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
1221 } |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
1222 |
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:
71
diff
changeset
|
1223 uint8_t * jmp_r(uint8_t * out, uint8_t dst) |
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:
71
diff
changeset
|
1224 { |
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:
71
diff
changeset
|
1225 *(out++) = OP_SINGLE_EA; |
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:
71
diff
changeset
|
1226 *(out++) = MODE_REG_DIRECT | dst | (OP_EX_JMP_EA << 3); |
82
6331ddec228f
Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents:
81
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|
1227 return out; |
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:
71
diff
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|
1228 } |
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:
71
diff
changeset
|
1229 |
14
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
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|
1230 uint8_t * call(uint8_t * out, uint8_t * fun) |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
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1231 { |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
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1232 ptrdiff_t disp = fun-(out+5); |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
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1233 if (disp <= 0x7FFFFFFF && disp >= -2147483648) { |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
1234 *(out++) = OP_CALL; |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
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|
1235 *(out++) = disp; |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
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|
1236 disp >>= 8; |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
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|
1237 *(out++) = disp; |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
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changeset
|
1238 disp >>= 8; |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
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|
1239 *(out++) = disp; |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
1240 disp >>= 8; |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
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|
1241 *(out++) = disp; |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
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|
1242 } else { |
18
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
1243 //TODO: Implement far call??? |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
15
diff
changeset
|
1244 printf("%p - %p = %lX\n", fun, out + 5, disp); |
14
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
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|
1245 return NULL; |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
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|
1246 } |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
1247 return out; |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
1248 } |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
1249 |
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:
71
diff
changeset
|
1250 uint8_t * call_r(uint8_t * out, uint8_t dst) |
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:
71
diff
changeset
|
1251 { |
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:
71
diff
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|
1252 *(out++) = OP_SINGLE_EA; |
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:
71
diff
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|
1253 *(out++) = MODE_REG_DIRECT | dst | (OP_EX_CALL_EA << 3); |
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:
71
diff
changeset
|
1254 } |
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:
71
diff
changeset
|
1255 |
14
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
1256 uint8_t * retn(uint8_t * out) |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
1257 { |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
1258 *(out++) = OP_RETN; |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
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|
1259 return out; |
2bdad0f52f42
x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
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|
1260 } |
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x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
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|
1261 |
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x86 code gen, initial work on translator
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
1262 |