Rev 3675 | Details | Compare with Previous | Last modification | View Log | RSS feed
Rev | Author | Line No. | Line |
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3675 | GerdtR | 1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; DISASSEMBLER ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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3 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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4 | |||
5 | ; TODO: prepare to work independently from debugger |
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6 | |||
7 | ;----------------------------------------------------------------------------- |
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8 | ; Read next byte for disassembly |
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9 | ; |
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10 | ; out: AL = byte |
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11 | disasm_get_byte: |
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12 | push ecx |
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13 | mov ecx, [disasm_cur_pos] |
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14 | sub ecx, [disasm_start_pos] |
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15 | cmp ecx, [disasm_buf_size] |
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16 | jae disasm_err |
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17 | mov al, [disasm_buffer+ecx] |
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18 | pop ecx |
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19 | inc [disasm_cur_pos] |
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20 | ret |
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21 | |||
22 | ;----------------------------------------------------------------------------- |
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23 | ; Read next word for disassembly |
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24 | ; |
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25 | ; out: AX = word |
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26 | disasm_get_word: |
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27 | push ecx |
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28 | mov ecx, [disasm_cur_pos] |
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29 | sub ecx, [disasm_start_pos] |
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30 | inc ecx |
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31 | cmp ecx, [disasm_buf_size] |
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32 | jae disasm_err |
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33 | mov ax, word [disasm_buffer-1+ecx] |
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34 | pop ecx |
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35 | add [disasm_cur_pos], 2 |
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36 | ret |
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37 | |||
38 | ;----------------------------------------------------------------------------- |
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39 | ; Read next dword for disassembly |
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40 | ; |
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41 | ; out: EAX = dword |
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42 | disasm_get_dword: |
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43 | push ecx |
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44 | mov ecx, [disasm_cur_pos] |
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45 | sub ecx, [disasm_start_pos] |
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46 | add ecx, 3 |
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47 | cmp ecx, [disasm_buf_size] |
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48 | jae disasm_err |
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49 | mov eax, dword [disasm_buffer-3+ecx] |
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50 | pop ecx |
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51 | add [disasm_cur_pos], 4 |
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52 | ret |
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53 | |||
54 | ;----------------------------------------------------------------------------- |
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55 | |||
56 | disasm_err: |
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57 | mov esp, ebp |
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58 | |||
59 | ; TODO: make it local? |
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60 | stc_ret: |
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61 | stc |
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62 | ret |
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63 | |||
64 | ;----------------------------------------------------------------------------- |
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65 | ; Exit from disassembly loop |
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66 | |||
67 | disasm_ret: |
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68 | mov esp, ebp |
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69 | and byte [edi], 0 |
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70 | ret |
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71 | |||
72 | ;----------------------------------------------------------------------------- |
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73 | ; Disassembly one instruction |
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74 | ; |
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75 | ; Read data, in loop, to read multibyte instruction opcodes |
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76 | |||
77 | disasm_instr: |
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78 | mov ebp, esp |
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79 | cmp [debuggee_pid], 0 |
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80 | jz stc_ret |
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81 | mov edi, disasm_string |
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82 | xor ecx, ecx |
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83 | |||
84 | ; TODO: make it local? |
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85 | ; ecx=flags (IN or OUT?) |
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86 | disasm_loop1: |
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87 | xor eax, eax |
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88 | call disasm_get_byte |
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89 | jmp dword [disasm_table_1 + eax*4] |
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90 | |||
91 | ;----------------------------------------------------------------------------- |
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92 | |||
93 | cop0: |
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94 | clock: |
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95 | csegcs: |
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96 | csegds: |
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97 | cseges: |
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98 | csegss: |
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99 | csegfs: |
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100 | cseggs: |
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101 | mov esi, cmd1 |
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102 | |||
103 | iglobal |
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104 | cmd1: |
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105 | db 0x2E,3,'cs:' |
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106 | db 0x36,3,'ss:' |
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107 | db 0x3E,3,'ds:' |
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108 | db 0x26,3,'es:' |
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109 | db 0x64,3,'fs:' |
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110 | db 0x65,3,'gs:' |
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111 | db 0x06,10,'push es' |
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112 | db 0x07,10,'pop es' |
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113 | db 0x0E,10,'push cs' |
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114 | db 0x16,10,'push ss' |
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115 | db 0x17,10,'pop ss' |
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116 | db 0x1E,10,'push ds' |
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117 | db 0x1F,10,'pop ds' |
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118 | db 0x27,3,'daa' |
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119 | db 0x2F,3,'das' |
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120 | db 0x37,3,'aaa' |
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121 | db 0x3F,3,'aas' |
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122 | db 0x60,6,0,'pusha' |
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123 | db 0x61,5,0,'popa' |
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124 | db 0x90,3,'nop' |
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125 | db 0x9B,5,'fwait' |
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126 | db 0x9C,6,0,'pushf' |
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127 | db 0x9D,5,0,'popf' |
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128 | db 0x9E,4,'sahf' |
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129 | db 0x9F,4,'lahf' |
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130 | db 0xA4,5,'movsb' |
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131 | db 0xA5,5,0,'movs' |
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132 | db 0xA6,5,'cmpsb' |
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133 | db 0xA7,5,0,'cmps' |
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134 | db 0xAA,5,'stosb' |
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135 | db 0xAB,5,0,'stos' |
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136 | db 0xAC,5,'lodsb' |
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137 | db 0xAD,5,0,'lods' |
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138 | db 0xAE,5,'scasb' |
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139 | db 0xAF,5,0,'scas' |
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140 | db 0xC3,3,'ret' |
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141 | db 0xC9,5,'leave' |
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142 | db 0xCC,4,'int3' |
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143 | db 0xF0,4,'lock' |
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144 | db 0xF5,3,'cmc' |
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145 | db 0xF8,3,'clc' |
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146 | db 0xF9,3,'stc' |
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147 | db 0xFA,3,'cli' |
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148 | db 0xFB,3,'sti' |
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149 | db 0xFC,3,'cld' |
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150 | db 0xFD,3,'std' |
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151 | |||
152 | cmd2: |
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153 | db 0x05,7,'syscall' |
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154 | db 0x06,4,'clts' |
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155 | db 0x31,5,'rdtsc' |
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156 | db 0x34,8,'sysenter' |
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157 | db 0xA2,5,'cpuid' |
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158 | db 0x77,4,'emms' |
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159 | |||
160 | endg |
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161 | jmp @f |
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162 | |||
163 | ;----------------------------------------------------------------------------- |
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164 | |||
165 | ccpuid: |
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166 | crdtsc: |
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167 | cemms: |
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168 | cop0_F: |
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169 | mov esi, cmd2 |
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170 | |||
171 | @@: |
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172 | cmp al, [esi] |
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173 | jz .found |
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174 | inc esi |
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175 | movzx edx, byte [esi] |
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176 | inc esi |
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177 | add esi, edx |
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178 | jmp @b |
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179 | |||
180 | .found: |
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181 | inc esi |
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182 | lodsb |
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183 | cmp byte [esi], 0 |
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184 | jz @f |
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185 | movzx ecx, al |
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186 | |||
187 | disasm_1: |
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188 | rep movsb |
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189 | and byte [edi], 0 |
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190 | ret |
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191 | |||
192 | @@: |
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193 | mov dl, ch |
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194 | movzx ecx, al |
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195 | dec ecx |
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196 | inc esi |
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197 | rep movsb |
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198 | test dl, 1 |
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199 | mov al, 'w' |
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200 | jnz @f |
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201 | mov al, 'd' |
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202 | |||
203 | @@: |
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204 | stosb |
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205 | and byte [edi], 0 |
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206 | ret |
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207 | |||
208 | c67: |
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209 | or ch, 2 |
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210 | jmp disasm_loop1 |
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211 | |||
212 | c66: |
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213 | or ch, 1 |
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214 | jmp disasm_loop1 |
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215 | |||
216 | ;----------------------------------------------------------------------------- |
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217 | |||
218 | cxlat: |
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219 | cunk: |
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220 | cerr: |
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221 | mov eax, '???' |
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222 | stosd |
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223 | clc |
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224 | ret |
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225 | |||
226 | cF: |
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227 | call disasm_get_byte |
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228 | jmp dword [disasm_table_2 + eax*4] |
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229 | |||
230 | ;----------------------------------------------------------------------------- |
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231 | ; Parse operand prefixes |
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232 | |||
233 | crep: |
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234 | push [disasm_cur_pos] |
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235 | call disasm_get_byte |
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236 | cmp al, 0x0F |
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237 | jz .sse |
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238 | mov dl, al |
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239 | mov eax, 'rep ' |
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240 | stosd |
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241 | mov al, dl |
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242 | |||
243 | @@: |
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244 | and eax, not 1 |
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245 | cmp al, 0x66 |
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246 | jnz @f |
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247 | call disasm_get_byte |
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248 | mov dl, al |
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249 | jmp @b |
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250 | |||
251 | @@: |
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252 | cmp al, 0xA6 |
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253 | jz .repz |
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254 | cmp al, 0xAE |
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255 | jz .repz |
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256 | cmp al, 0xA4 |
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257 | jz .prefix |
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258 | cmp al, 0xAA |
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259 | jz .prefix |
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260 | cmp al, 0xAC |
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261 | jz .prefix |
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262 | cmp al, 0x6C |
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263 | jz .prefix |
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264 | cmp al, 0x6E |
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265 | jz .prefix |
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266 | |||
9209 | hidnplayr | 267 | pop [disasm_cur_pos] |
3675 | GerdtR | 268 | .noprefix: |
269 | and byte [edi-1], 0 |
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270 | ret |
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271 | |||
272 | .repz: |
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273 | mov byte [edi-1], 'z' |
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274 | mov al, ' ' |
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275 | stosb |
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276 | |||
277 | .prefix: |
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278 | pop [disasm_cur_pos] |
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279 | jmp disasm_loop1 |
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280 | |||
281 | .sse: |
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282 | pop eax |
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283 | call disasm_get_byte |
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284 | |||
285 | ;----------------------------------------------------------------------------- |
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286 | |||
287 | iglobal |
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288 | rep_sse_cmds: |
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289 | db 0x58,3,'add' |
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290 | db 0xC2,3,'cmp' |
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291 | db 0,0 |
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292 | endg |
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293 | mov esi, rep_sse_cmds+1 |
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294 | |||
295 | @@: |
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296 | movzx edx, byte [esi] |
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297 | cmp al, [esi-1] |
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298 | jz @f |
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299 | lea esi, [esi+edx+2] |
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300 | cmp byte [esi], 0 |
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301 | jnz @b |
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302 | sub [disasm_cur_pos], 2 |
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303 | mov eax, 'rep' |
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304 | stosd |
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305 | ret |
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306 | |||
307 | @@: |
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308 | push ecx |
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309 | mov ecx, edx |
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310 | inc esi |
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311 | rep movsb |
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312 | pop ecx |
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313 | mov al, 's' |
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314 | stosb |
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315 | jmp rep_sse_final |
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316 | |||
317 | ;----------------------------------------------------------------------------- |
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318 | |||
319 | crepnz: |
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320 | call disasm_get_byte |
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321 | cmp al, 0x0F |
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322 | jz .sse |
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323 | mov dl, al |
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324 | mov eax, 'repn' |
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325 | stosd |
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326 | mov al, 'z' |
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327 | stosb |
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328 | mov al, ' ' |
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329 | stosb |
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330 | movzx eax, dl |
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9209 | hidnplayr | 331 | cmp al, 66h |
332 | je c66 |
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333 | cmp al, 67h |
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334 | je c67 |
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3675 | GerdtR | 335 | cmp al, 0x6C |
336 | jb crep.noprefix |
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337 | cmp al, 0x6F |
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338 | jbe .prefix |
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339 | cmp al, 0xA4 |
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340 | jb crep.noprefix |
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341 | cmp al, 0xA7 |
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342 | jbe .prefix |
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343 | cmp al, 0xAA |
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344 | jb crep.noprefix |
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345 | cmp al, 0xAF |
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346 | ja crep.noprefix |
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347 | |||
348 | .prefix: |
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349 | jmp cop0 |
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350 | |||
351 | .sse: |
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352 | call disasm_get_byte |
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353 | mov esi, rep_sse_cmds+1 |
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354 | |||
355 | @@: |
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356 | movzx edx, byte [esi] |
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357 | cmp al, [esi-1] |
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358 | jz .found0 |
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359 | lea esi, [esi+edx+2] |
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360 | cmp byte [esi], 0 |
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361 | jnz @b |
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362 | mov esi, sse_cmds2+1 |
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363 | |||
364 | @@: |
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365 | movzx edx, byte [esi] |
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366 | cmp al, [esi-1] |
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367 | jz .found1 |
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368 | lea esi, [esi+edx+2] |
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369 | cmp byte [esi], 0 |
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370 | jnz @b |
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371 | sub [disasm_cur_pos], 2 |
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372 | mov eax, 'repn' |
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373 | stosd |
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374 | mov al, 'z' |
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375 | stosb |
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376 | and byte [edi], 0 |
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377 | ret |
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378 | |||
379 | .found0: |
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380 | push ecx |
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381 | mov ecx, edx |
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382 | inc esi |
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383 | rep movsb |
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384 | pop ecx |
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385 | mov al, 's' |
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386 | stosb |
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387 | mov al, 'd' |
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388 | jmp rep_sse_final |
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389 | |||
390 | .found1: |
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391 | push ecx |
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392 | mov ecx, edx |
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393 | inc esi |
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394 | rep movsb |
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395 | pop ecx |
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396 | mov al, 'p' |
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397 | stosb |
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398 | mov al, 's' |
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399 | |||
400 | rep_sse_final: |
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401 | stosb |
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402 | push ecx |
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403 | push 5 |
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404 | pop ecx |
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405 | sub ecx, edx |
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406 | adc ecx, 1 |
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407 | mov al, ' ' |
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408 | rep stosb |
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409 | pop ecx |
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410 | or ch, 1 |
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411 | jmp disasm_mmx1 |
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412 | |||
413 | ;----------------------------------------------------------------------------- |
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414 | |||
415 | macro disasm_set_modew |
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416 | { |
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417 | test al, 1 |
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418 | jz @f |
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419 | or ch, 80h |
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420 | @@: |
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421 | } |
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422 | |||
423 | ;----------------------------------------------------------------------------- |
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424 | |||
425 | cmov2: |
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426 | disasm_set_modew |
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427 | ; mov r/m,i |
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428 | call disasm_get_byte |
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429 | dec [disasm_cur_pos] |
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430 | test al, 00111000b |
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431 | jnz cunk |
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432 | mov eax, 'mov ' |
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433 | stosd |
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434 | mov eax, ' ' |
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435 | stosd |
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436 | call disasm_readrmop |
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437 | mov ax, ', ' |
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438 | stosw |
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439 | xor eax, eax |
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440 | test ch, 80h |
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441 | jnz .1 |
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442 | call disasm_get_byte |
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443 | jmp .3 |
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444 | |||
445 | .1: |
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446 | test ch, 1 |
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447 | jnz .2 |
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448 | call disasm_get_dword |
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449 | jmp .3 |
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450 | |||
451 | .2: |
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452 | call disasm_get_word |
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453 | |||
454 | .3: |
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455 | call disasm_write_num |
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456 | and byte [edi], 0 |
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457 | ret |
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458 | |||
459 | ;----------------------------------------------------------------------------- |
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460 | |||
461 | cret2: |
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462 | mov eax, 'ret ' |
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463 | stosd |
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464 | mov eax, ' ' |
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465 | stosd |
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466 | xor eax, eax |
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467 | jmp cmov2.2 |
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468 | |||
469 | ;----------------------------------------------------------------------------- |
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470 | |||
471 | disasm_write_num: |
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472 | push esi |
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473 | cmp eax, 0x80 |
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474 | jl .nosymb |
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475 | lea esi, [eax-1] |
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476 | test eax, esi |
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477 | jz .nosymb |
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478 | call find_symbol |
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479 | jc .nosymb |
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480 | |||
481 | @@: |
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482 | lodsb |
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483 | test al, al |
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484 | jz @f |
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485 | stosb |
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486 | jmp @b |
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487 | |||
488 | @@: |
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489 | pop esi |
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490 | ret |
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491 | |||
492 | .nosymb: |
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493 | pop esi |
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494 | push ecx eax |
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495 | inc edi |
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496 | |||
497 | @@: |
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498 | mov ecx, eax |
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499 | shr eax, 4 |
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500 | jz @f |
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501 | inc edi |
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502 | jmp @b |
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503 | |||
504 | @@: |
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505 | pop eax |
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506 | cmp ecx, 10 |
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507 | jb @f |
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508 | inc edi |
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509 | |||
510 | @@: |
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511 | push edi eax |
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512 | |||
513 | @@: |
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514 | mov ecx, eax |
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515 | and al, 0xF |
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516 | cmp al, 10 |
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517 | sbb al, 69h |
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518 | das |
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519 | dec edi |
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520 | mov [edi], al |
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521 | mov eax, ecx |
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522 | shr eax, 4 |
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523 | jnz @b |
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524 | cmp ecx, 10 |
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525 | jb @f |
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526 | mov byte [edi-1], '0' |
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527 | |||
528 | @@: |
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529 | pop eax edi ecx |
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530 | cmp eax, 10 |
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531 | jb @f |
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532 | mov byte [edi], 'h' |
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533 | inc edi |
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534 | |||
535 | @@: |
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536 | ret |
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537 | |||
538 | ;----------------------------------------------------------------------------- |
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539 | |||
540 | iglobal |
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541 | label disasm_regs32 dword |
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542 | label disasm_regs dword |
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543 | db 'eax',0 |
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544 | db 'ecx',0 |
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545 | db 'edx',0 |
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546 | db 'ebx',0 |
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547 | db 'esp',0 |
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548 | db 'ebp',0 |
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549 | db 'esi',0 |
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550 | db 'edi',0 |
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551 | |||
552 | disasm_regs16 dw 'ax','cx','dx','bx','sp','bp','si','di' |
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553 | disasm_regs8 dw 'al','cl','dl','bl','ah','ch','dh','bh' |
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554 | disasm_scale db '1248' |
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555 | endg |
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556 | |||
557 | ;----------------------------------------------------------------------------- |
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558 | |||
559 | disasm_readrmop: |
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560 | call disasm_get_byte |
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561 | test ch, 40h |
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562 | jnz .skip_size |
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563 | push eax |
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564 | and al, 0xC0 |
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565 | cmp al, 0xC0 |
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566 | pop eax |
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567 | jz .skip_size |
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568 | test ch, 80h |
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569 | jz .byte |
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570 | test ch, 1 |
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571 | jnz .word |
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572 | mov dword [edi], 'dwor' |
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573 | mov byte [edi+4], 'd' |
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574 | inc edi |
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575 | jmp @f |
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576 | |||
577 | .byte: |
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578 | test ch, 20h |
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579 | jz .qb |
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580 | mov byte [edi], 't' |
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581 | inc edi |
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582 | |||
583 | .qb: |
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584 | mov dword [edi], 'byte' |
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585 | jmp @f |
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586 | |||
587 | .word: |
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588 | test ch, 20h |
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589 | jz .qw |
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590 | mov byte [edi], 'q' |
||
591 | inc edi |
||
592 | |||
593 | .qw: |
||
594 | mov dword [edi], 'word' |
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595 | |||
596 | @@: |
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597 | mov byte [edi+4], ' ' |
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598 | add edi, 5 |
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599 | |||
600 | .skip_size: |
||
601 | test ch, 2 |
||
602 | jnz disasm_readrmop16 |
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603 | push ecx |
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604 | movzx ecx, al |
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605 | and eax, 7 |
||
606 | shr ecx, 6 |
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607 | jz .vmod0 |
||
608 | jp .vmod3 |
||
609 | mov byte [edi], '[' |
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610 | inc edi |
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611 | cmp al, 4 |
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612 | jz .sib1 |
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613 | mov eax, [disasm_regs+eax*4] |
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614 | stosd |
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615 | dec edi |
||
616 | jmp @f |
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617 | |||
618 | .sib1: |
||
619 | call .parse_sib |
||
620 | |||
621 | @@: |
||
622 | mov al, '+' |
||
623 | stosb |
||
624 | dec ecx |
||
625 | jz .vmod1 |
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626 | call disasm_get_dword |
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627 | jmp @f |
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628 | |||
629 | .vmod1: |
||
630 | call disasm_get_byte |
||
631 | movsx eax, al |
||
632 | |||
633 | @@: |
||
634 | test eax, eax |
||
635 | jns .2 |
||
636 | neg eax |
||
637 | mov byte [edi-1], '-' |
||
638 | |||
639 | .2: |
||
640 | call disasm_write_num |
||
641 | |||
642 | .2a: |
||
643 | mov al, ']' |
||
644 | stosb |
||
645 | pop ecx |
||
646 | ret |
||
647 | |||
648 | .vmod3: |
||
649 | pop ecx |
||
650 | test ch, 10h |
||
651 | jnz .vmod3_mmi |
||
652 | test ch, 80h |
||
653 | jz .vmod3_byte |
||
654 | test ch, 1 |
||
655 | jnz .vmod3_word |
||
656 | test ch, 20h |
||
657 | jnz .vmod3_sti |
||
658 | mov eax, [disasm_regs32+eax*4] |
||
659 | stosd |
||
660 | dec edi |
||
661 | ret |
||
662 | |||
663 | .vmod3_byte: |
||
664 | mov ax, [disasm_regs8+eax*2] |
||
665 | |||
666 | @@: |
||
667 | stosw |
||
668 | ret |
||
669 | |||
670 | .vmod3_word: |
||
671 | mov ax, [disasm_regs16+eax*2] |
||
672 | jmp @b |
||
673 | |||
674 | .vmod3_sti: |
||
675 | mov word [edi], 'st' |
||
676 | add al, '0' |
||
677 | mov byte [edi+2], al |
||
678 | add edi, 3 |
||
679 | ret |
||
680 | |||
681 | .vmod3_mmi: |
||
682 | |||
683 | disasm_write_mmreg = $ |
||
684 | |||
685 | test ch, 1 |
||
686 | jz @f |
||
687 | mov byte [edi], 'x' |
||
688 | inc edi |
||
689 | |||
690 | @@: |
||
691 | mov word [edi], 'mm' |
||
692 | add al, '0' |
||
693 | mov byte [edi+2], al |
||
694 | add edi, 3 |
||
695 | ret |
||
696 | |||
697 | .vmod0: |
||
698 | mov byte [edi], '[' |
||
699 | inc edi |
||
700 | cmp al, 4 |
||
701 | jz .sib2 |
||
702 | cmp al, 5 |
||
703 | jz .ofs32 |
||
704 | mov eax, [disasm_regs+eax*4] |
||
705 | stosd |
||
706 | mov byte [edi-1], ']' |
||
707 | pop ecx |
||
708 | ret |
||
709 | |||
710 | .ofs32: |
||
711 | call disasm_get_dword |
||
712 | jmp .2 |
||
713 | |||
714 | .sib2: |
||
715 | call .parse_sib |
||
716 | mov al, ']' |
||
717 | stosb |
||
718 | pop ecx |
||
719 | ret |
||
720 | |||
721 | .parse_sib: |
||
722 | call disasm_get_byte |
||
723 | push edx |
||
724 | mov dl, al |
||
725 | mov dh, 0 |
||
726 | and eax, 7 |
||
727 | cmp al, 5 |
||
728 | jnz @f |
||
729 | jecxz .sib0 |
||
730 | |||
731 | @@: |
||
732 | mov eax, [disasm_regs+eax*4] |
||
733 | stosd |
||
734 | dec edi |
||
735 | mov dh, 1 |
||
736 | |||
737 | .sib0: |
||
738 | mov al, dl |
||
739 | shr eax, 3 |
||
740 | and eax, 7 |
||
741 | cmp al, 4 |
||
742 | jz .sibret |
||
743 | test dh, dh |
||
744 | jz @f |
||
745 | mov byte [edi], '+' |
||
746 | inc edi |
||
747 | |||
748 | @@: |
||
749 | mov eax, [disasm_regs+eax*4] |
||
750 | stosd |
||
751 | dec edi |
||
752 | shr dl, 6 |
||
753 | jz @f |
||
754 | mov al, '*' |
||
755 | stosb |
||
756 | movzx eax, dl |
||
757 | mov al, [disasm_scale+eax] |
||
758 | stosb |
||
759 | |||
760 | @@: |
||
761 | .sibret: |
||
762 | test dh, dh |
||
763 | jnz .sibret2 |
||
764 | call disasm_get_dword |
||
765 | cmp byte [edi-1], '[' |
||
766 | jz @f |
||
767 | mov byte [edi], '+' |
||
768 | test eax, eax |
||
769 | jns .sibns |
||
770 | neg eax |
||
771 | mov byte [edi], '-' |
||
772 | |||
773 | .sibns: |
||
774 | inc edi |
||
775 | |||
776 | @@: |
||
777 | call disasm_write_num |
||
778 | |||
779 | .sibret2: |
||
780 | pop edx |
||
781 | ret |
||
782 | |||
783 | ;----------------------------------------------------------------------------- |
||
784 | |||
785 | iglobal |
||
786 | disasm_rm16_1 dd 'bxsi','bxdi','bpsi','bpdi' |
||
787 | disasm_rm16_2 dw 'si','di','bp','bx' |
||
788 | endg |
||
789 | |||
790 | ;----------------------------------------------------------------------------- |
||
791 | |||
792 | disasm_readrmop16: |
||
793 | push ecx |
||
794 | movzx ecx, al |
||
795 | and eax, 7 |
||
796 | shr ecx, 6 |
||
797 | jz .vmod0 |
||
798 | jp disasm_readrmop.vmod3 ; mod=3 is the same in 16- and 32-bit code |
||
799 | ; 1 or 2 |
||
800 | mov byte [edi], '[' |
||
801 | inc edi |
||
802 | cmp al, 4 |
||
803 | jae @f |
||
804 | mov eax, [disasm_rm16_1+eax*4] |
||
805 | stosw |
||
806 | mov al, '+' |
||
807 | stosb |
||
808 | shr eax, 16 |
||
809 | jmp .1 |
||
810 | |||
811 | @@: |
||
812 | mov eax, dword [disasm_rm16_2+eax*2-4*2] |
||
813 | |||
814 | .1: |
||
815 | stosw |
||
816 | mov al, '+' |
||
817 | stosb |
||
818 | xor eax, eax |
||
819 | dec ecx |
||
820 | jnz .2 |
||
821 | call disasm_get_byte |
||
822 | cbw |
||
823 | jmp @f |
||
824 | |||
825 | .2: |
||
826 | call disasm_get_word |
||
827 | |||
828 | @@: |
||
829 | test ax, ax |
||
830 | jns @f |
||
831 | mov byte [edi-1], '-' |
||
832 | neg ax |
||
833 | |||
834 | @@: |
||
835 | call disasm_write_num |
||
836 | |||
837 | .done1: |
||
838 | mov al, ']' |
||
839 | stosb |
||
840 | pop ecx |
||
841 | ret |
||
842 | |||
843 | .vmod0: |
||
844 | mov byte [edi], '[' |
||
845 | inc edi |
||
846 | cmp al, 6 |
||
847 | jz .ofs16 |
||
848 | cmp al, 4 |
||
849 | jae @f |
||
850 | mov eax, [disasm_rm16_1+eax*4] |
||
851 | stosw |
||
852 | mov al, '+' |
||
853 | stosb |
||
854 | shr eax, 16 |
||
855 | jmp .3 |
||
856 | |||
857 | @@: |
||
858 | mov eax, dword [disasm_rm16_2+eax*2-4*2] |
||
859 | |||
860 | .3: |
||
861 | stosw |
||
862 | jmp .done1 |
||
863 | |||
864 | .ofs16: |
||
865 | xor eax, eax |
||
866 | call disasm_get_word |
||
867 | call disasm_write_num |
||
868 | jmp .done1 |
||
869 | |||
870 | ;----------------------------------------------------------------------------- |
||
871 | |||
872 | cpush21: |
||
873 | mov eax, 'push' |
||
874 | stosd |
||
875 | mov eax, ' ' |
||
876 | stosd |
||
877 | |||
878 | disasm_i32: |
||
879 | call disasm_get_dword |
||
880 | call disasm_write_num |
||
881 | and byte [edi], 0 |
||
882 | ret |
||
883 | |||
884 | cpush22: |
||
885 | mov eax, 'push' |
||
886 | stosd |
||
887 | mov eax, ' ' |
||
888 | stosd |
||
889 | call disasm_get_byte |
||
890 | movsx eax, al |
||
891 | |||
892 | @@: |
||
893 | call disasm_write_num |
||
894 | and byte [edi], 0 |
||
895 | ret |
||
896 | |||
897 | ;----------------------------------------------------------------------------- |
||
898 | |||
899 | center: |
||
900 | mov eax, 'ente' |
||
901 | stosd |
||
902 | mov eax, 'r ' |
||
903 | stosd |
||
904 | xor eax, eax |
||
905 | call disasm_get_word |
||
906 | call disasm_write_num |
||
907 | mov al, ',' |
||
908 | stosb |
||
909 | mov al, ' ' |
||
910 | stosb |
||
911 | xor eax, eax |
||
912 | call disasm_get_byte |
||
913 | jmp @b |
||
914 | |||
915 | ;----------------------------------------------------------------------------- |
||
916 | |||
917 | cinc1: |
||
918 | ; inc reg32 |
||
919 | cdec1: |
||
920 | ; dec reg32 |
||
921 | cpush1: |
||
922 | ; push reg32 |
||
923 | cpop1: |
||
924 | ; pop reg32 |
||
925 | cbswap: |
||
926 | ; bswap reg32 |
||
927 | mov edx, eax |
||
928 | and edx, 7 |
||
929 | shr eax, 3 |
||
930 | sub al, 8 |
||
931 | mov esi, 'inc ' |
||
932 | jz @f |
||
933 | mov esi, 'dec ' |
||
934 | dec al |
||
935 | jz @f |
||
936 | mov esi, 'push' |
||
937 | dec al |
||
938 | jz @f |
||
939 | mov esi, 'pop ' |
||
940 | dec al |
||
941 | jz @f |
||
942 | mov esi, 'bswa' |
||
943 | |||
944 | @@: |
||
945 | xchg eax, esi |
||
946 | stosd |
||
947 | mov eax, ' ' |
||
948 | jz @f |
||
949 | mov al, 'p' |
||
950 | |||
951 | @@: |
||
952 | stosd |
||
953 | xchg eax, edx |
||
954 | call disasm_write_reg1632 |
||
955 | and byte [edi], 0 |
||
956 | ret |
||
957 | |||
958 | ;----------------------------------------------------------------------------- |
||
959 | |||
960 | cxchg1: |
||
961 | ; xchg eax,reg32 |
||
962 | and eax, 7 |
||
963 | xchg eax, edx |
||
964 | mov eax, 'xchg' |
||
965 | stosd |
||
966 | mov eax, ' ' |
||
967 | stosd |
||
968 | xor eax, eax |
||
969 | call disasm_write_reg1632 |
||
970 | mov ax, ', ' |
||
971 | stosw |
||
972 | xchg eax, edx |
||
973 | call disasm_write_reg1632 |
||
974 | and byte [edi], 0 |
||
975 | ret |
||
976 | |||
977 | cint: |
||
978 | mov eax, 'int ' |
||
979 | stosd |
||
980 | mov eax, ' ' |
||
981 | stosd |
||
982 | |||
983 | disasm_i8u: |
||
984 | xor eax, eax |
||
985 | call disasm_get_byte |
||
986 | call disasm_write_num |
||
987 | and byte [edi], 0 |
||
988 | ret |
||
989 | |||
990 | ;----------------------------------------------------------------------------- |
||
991 | |||
992 | cmov11: |
||
993 | ; mov r8,i8 |
||
994 | mov ecx, eax |
||
995 | mov eax, 'mov ' |
||
996 | stosd |
||
997 | mov eax, ' ' |
||
998 | stosd |
||
999 | and ecx, 7 |
||
1000 | mov ax, [disasm_regs8+ecx*2] |
||
1001 | stosw |
||
1002 | mov ax, ', ' |
||
1003 | stosw |
||
1004 | jmp disasm_i8u |
||
1005 | |||
1006 | ;----------------------------------------------------------------------------- |
||
1007 | |||
1008 | cmov12: |
||
1009 | ; mov r32,i32 |
||
1010 | xchg eax, edx |
||
1011 | mov eax, 'mov ' |
||
1012 | stosd |
||
1013 | mov eax, ' ' |
||
1014 | stosd |
||
1015 | xchg eax, edx |
||
1016 | and eax, 7 |
||
1017 | call disasm_write_reg1632 |
||
1018 | mov ax, ', ' |
||
1019 | stosw |
||
1020 | jmp cmov2.1 |
||
1021 | |||
1022 | ;----------------------------------------------------------------------------- |
||
1023 | |||
1024 | iglobal |
||
1025 | disasm_shifts dd 'rol ','ror ','rcl ','rcr ','shl ','shr ','sal ','sar ' |
||
1026 | endg |
||
1027 | |||
1028 | ;----------------------------------------------------------------------------- |
||
1029 | |||
1030 | cshift2: |
||
1031 | ; shift r/m,1 = D0/D1 |
||
1032 | cshift3: |
||
1033 | ; shift r/m,cl = D2/D3 |
||
1034 | disasm_set_modew |
||
1035 | mov dl, al |
||
1036 | call disasm_get_byte |
||
1037 | dec [disasm_cur_pos] |
||
1038 | shr al, 3 |
||
1039 | and eax, 7 |
||
1040 | mov eax, [disasm_shifts+eax*4] |
||
1041 | stosd |
||
1042 | mov eax, ' ' |
||
1043 | stosd |
||
1044 | call disasm_readrmop |
||
1045 | cmp dl, 0xD2 |
||
1046 | jb .s1 |
||
1047 | mov eax, ', cl' |
||
1048 | stosd |
||
1049 | and byte [edi], 0 |
||
1050 | ret |
||
1051 | |||
1052 | .s1: |
||
1053 | mov eax, ', 1' |
||
1054 | stosd |
||
1055 | clc |
||
1056 | ret |
||
1057 | |||
1058 | ;----------------------------------------------------------------------------- |
||
1059 | |||
1060 | cshift1: |
||
1061 | ; shift r/m,i8 = C0/C1 |
||
1062 | disasm_set_modew |
||
1063 | call disasm_get_byte |
||
1064 | dec [disasm_cur_pos] |
||
1065 | shr al, 3 |
||
1066 | and eax, 7 |
||
1067 | mov eax, [disasm_shifts+eax*4] |
||
1068 | stosd |
||
1069 | mov eax, ' ' |
||
1070 | stosd |
||
1071 | call disasm_readrmop |
||
1072 | mov ax, ', ' |
||
1073 | stosw |
||
1074 | jmp disasm_i8u |
||
1075 | |||
1076 | ;----------------------------------------------------------------------------- |
||
1077 | |||
1078 | caam: |
||
1079 | mov eax, 'aam ' |
||
1080 | jmp @f |
||
1081 | |||
1082 | caad: |
||
1083 | mov eax, 'aad ' |
||
1084 | |||
1085 | @@: |
||
1086 | stosd |
||
1087 | mov eax, ' ' |
||
1088 | stosd |
||
1089 | xor eax, eax |
||
1090 | call disasm_get_byte |
||
1091 | cmp al, 10 |
||
1092 | jz @f |
||
1093 | call disasm_write_num |
||
1094 | |||
1095 | @@: |
||
1096 | and byte [edi], 0 |
||
1097 | ret |
||
1098 | |||
1099 | ;----------------------------------------------------------------------------- |
||
1100 | |||
1101 | cmov3: |
||
1102 | ; A0: mov al,[ofs32] |
||
1103 | ; A1: mov ax/eax,[ofs32] |
||
1104 | ; A2: mov [ofs32],al |
||
1105 | ; A3: mov [ofs32],ax/eax |
||
1106 | mov edx, 'mov ' |
||
1107 | xchg eax, edx |
||
1108 | stosd |
||
1109 | mov eax, ' ' |
||
1110 | stosd |
||
1111 | test dl, 2 |
||
1112 | jnz .1 |
||
1113 | call .write_acc |
||
1114 | mov ax, ', ' |
||
1115 | stosw |
||
1116 | call .write_ofs32 |
||
1117 | jmp .2 |
||
1118 | |||
1119 | .1: |
||
1120 | call .write_ofs32 |
||
1121 | mov ax, ', ' |
||
1122 | stosw |
||
1123 | call .write_acc |
||
1124 | |||
1125 | .2: |
||
1126 | and byte [edi], 0 |
||
1127 | ret |
||
1128 | |||
1129 | .write_acc: |
||
1130 | test dl, 1 |
||
1131 | jz .8bit |
||
1132 | test ch, 1 |
||
1133 | jnz .16bit |
||
1134 | mov eax, 'eax' |
||
1135 | stosd |
||
1136 | dec edi |
||
1137 | ret |
||
1138 | |||
1139 | .16bit: |
||
1140 | mov ax, 'ax' |
||
1141 | stosw |
||
1142 | ret |
||
1143 | |||
1144 | .8bit: |
||
1145 | mov ax, 'al' |
||
1146 | stosw |
||
1147 | ret |
||
1148 | |||
1149 | .write_ofs32: |
||
1150 | mov al, '[' |
||
1151 | stosb |
||
1152 | call disasm_get_dword |
||
1153 | call disasm_write_num |
||
1154 | mov al, ']' |
||
1155 | stosb |
||
1156 | ret |
||
1157 | |||
1158 | ;----------------------------------------------------------------------------- |
||
1159 | |||
1160 | disasm_write_reg: |
||
1161 | test ch, 80h |
||
1162 | jnz disasm_write_reg1632 |
||
1163 | mov ax, [disasm_regs8+eax*2] |
||
1164 | stosw |
||
1165 | ret |
||
1166 | |||
1167 | ;----------------------------------------------------------------------------- |
||
1168 | |||
1169 | disasm_write_reg1632: |
||
1170 | test ch, 1 |
||
1171 | jnz @f |
||
1172 | mov eax, [disasm_regs32+eax*4] |
||
1173 | stosd |
||
1174 | dec edi |
||
1175 | ret |
||
1176 | |||
1177 | @@: |
||
1178 | mov ax, [disasm_regs16+eax*2] |
||
1179 | stosw |
||
1180 | ret |
||
1181 | |||
1182 | ;----------------------------------------------------------------------------- |
||
1183 | |||
1184 | ; 0F B6/B7 |
||
1185 | cmovzx: |
||
1186 | ; 0F BE/BF |
||
1187 | cmovsx: |
||
1188 | mov edx, eax |
||
1189 | disasm_set_modew |
||
1190 | mov eax, 'movz' |
||
1191 | cmp dl, 0xB8 |
||
1192 | jb @f |
||
1193 | mov eax, 'movs' |
||
1194 | |||
1195 | @@: |
||
1196 | stosd |
||
1197 | mov eax, 'x ' |
||
1198 | stosd |
||
1199 | call disasm_get_byte |
||
1200 | dec [disasm_cur_pos] |
||
1201 | shr al, 3 |
||
1202 | and eax, 7 |
||
1203 | call disasm_write_reg1632 |
||
1204 | mov ax, ', ' |
||
1205 | stosw |
||
1206 | or ch, 1 ; 2nd operand - 8 or 16 bits |
||
1207 | call disasm_readrmop |
||
1208 | and byte [edi], 0 |
||
1209 | ret |
||
1210 | |||
1211 | ;----------------------------------------------------------------------------- |
||
1212 | |||
1213 | iglobal |
||
1214 | disasm_op2cmds dd 'add ','or ','adc ','sbb ','and ','sub ','xor ','cmp ' |
||
1215 | endg |
||
1216 | |||
1217 | ;----------------------------------------------------------------------------- |
||
1218 | |||
1219 | cop21: |
||
1220 | disasm_set_modew |
||
1221 | mov esi, 'test' |
||
1222 | cmp al, 0A8h |
||
1223 | jae @f |
||
1224 | shr al, 3 |
||
1225 | and eax, 7 |
||
1226 | mov esi, [disasm_op2cmds+eax*4] |
||
1227 | |||
1228 | @@: |
||
1229 | xchg eax, esi |
||
1230 | stosd |
||
1231 | mov eax, ' ' |
||
1232 | stosd |
||
1233 | test ch, 80h |
||
1234 | jnz .1632 |
||
1235 | mov eax, 'al, ' |
||
1236 | stosd |
||
1237 | jmp disasm_i8u |
||
1238 | |||
1239 | .1632: |
||
1240 | test ch, 1 |
||
1241 | jnz .16 |
||
1242 | mov eax, 'eax,' |
||
1243 | stosd |
||
1244 | mov al, ' ' |
||
1245 | stosb |
||
1246 | call disasm_get_dword |
||
1247 | jmp .x |
||
1248 | |||
1249 | .16: |
||
1250 | mov eax, 'ax, ' |
||
1251 | stosd |
||
1252 | xor eax, eax |
||
1253 | call disasm_get_word |
||
1254 | |||
1255 | .x: |
||
1256 | call disasm_write_num |
||
1257 | and byte [edi], 0 |
||
1258 | ret |
||
1259 | |||
1260 | ;----------------------------------------------------------------------------- |
||
1261 | |||
1262 | carpl: |
||
1263 | xor edx, edx |
||
1264 | or ch, 0C1h |
||
1265 | mov eax, 'arpl' |
||
1266 | jmp cop22.d2 |
||
1267 | |||
1268 | ;----------------------------------------------------------------------------- |
||
1269 | |||
1270 | ccmpxchg: |
||
1271 | xor edx, edx |
||
1272 | disasm_set_modew |
||
1273 | or ch, 40h |
||
1274 | mov eax, 'cmpx' |
||
1275 | stosd |
||
1276 | mov eax, 'chg ' |
||
1277 | jmp cop22.d1 |
||
1278 | |||
1279 | ;----------------------------------------------------------------------------- |
||
1280 | |||
1281 | cbsf: |
||
1282 | cbsr: |
||
1283 | or ch, 80h |
||
1284 | |||
1285 | ;----------------------------------------------------------------------------- |
||
1286 | |||
1287 | cop22: |
||
1288 | disasm_set_modew |
||
1289 | or ch, 40h |
||
1290 | mov edx, eax |
||
1291 | mov esi, 'lea ' |
||
1292 | cmp al, 8Dh |
||
1293 | jz @f |
||
1294 | mov esi, 'imul' |
||
1295 | cmp al, 0xAF |
||
1296 | jz @f |
||
1297 | mov esi, 'bsf ' |
||
1298 | cmp al, 0BCh |
||
1299 | jz @f |
||
1300 | mov esi, 'bsr ' |
||
1301 | cmp al, 0BDh |
||
1302 | jz @f |
||
1303 | mov esi, 'mov ' |
||
1304 | cmp al, 88h |
||
1305 | jae @f |
||
1306 | mov esi, 'xchg' |
||
1307 | cmp al, 86h |
||
1308 | jae @f |
||
1309 | mov esi, 'test' |
||
1310 | cmp al, 84h |
||
1311 | jae @f |
||
1312 | shr al, 3 |
||
1313 | and eax, 7 |
||
1314 | mov esi, [disasm_op2cmds+eax*4] |
||
1315 | |||
1316 | @@: |
||
1317 | xchg eax, esi |
||
1318 | |||
1319 | .d2: |
||
1320 | stosd |
||
1321 | mov eax, ' ' |
||
1322 | |||
1323 | .d1: |
||
1324 | stosd |
||
1325 | call disasm_get_byte |
||
1326 | dec [disasm_cur_pos] |
||
1327 | shr al, 3 |
||
1328 | and eax, 7 |
||
1329 | cmp dl, 0x8D |
||
1330 | jz @f |
||
1331 | cmp dl, 0x86 |
||
1332 | jz @f |
||
1333 | cmp dl, 0x87 |
||
1334 | jz @f |
||
1335 | cmp dl, 0xBC |
||
1336 | jz @f |
||
1337 | cmp dl, 0xBD |
||
1338 | jz @f |
||
1339 | test dl, 2 |
||
1340 | jz .d0 |
||
1341 | |||
1342 | @@: |
||
1343 | call disasm_write_reg |
||
1344 | mov ax, ', ' |
||
1345 | stosw |
||
1346 | call disasm_readrmop |
||
1347 | and byte [edi], 0 |
||
1348 | ret |
||
1349 | |||
1350 | .d0: |
||
1351 | push eax |
||
1352 | call disasm_readrmop |
||
1353 | mov ax, ', ' |
||
1354 | stosw |
||
1355 | pop eax |
||
1356 | call disasm_write_reg |
||
1357 | and byte [edi], 0 |
||
1358 | ret |
||
1359 | |||
1360 | ;----------------------------------------------------------------------------- |
||
1361 | |||
1362 | cbound: |
||
1363 | mov edx, eax |
||
1364 | mov eax, 'boun' |
||
1365 | stosd |
||
1366 | mov eax, 'd ' |
||
1367 | or ch, 0xC0 |
||
1368 | jmp cop22.d1 |
||
1369 | |||
1370 | ;----------------------------------------------------------------------------- |
||
1371 | |||
1372 | cop23: |
||
1373 | disasm_set_modew |
||
1374 | xchg eax, edx |
||
1375 | call disasm_get_byte |
||
1376 | dec [disasm_cur_pos] |
||
1377 | shr eax, 3 |
||
1378 | and eax, 7 |
||
1379 | mov eax, [disasm_op2cmds+eax*4] |
||
1380 | |||
1381 | ctest: |
||
1382 | stosd |
||
1383 | mov eax, ' ' |
||
1384 | stosd |
||
1385 | call disasm_readrmop |
||
1386 | mov ax, ', ' |
||
1387 | stosw |
||
1388 | test ch, 80h |
||
1389 | jz .i8 |
||
1390 | cmp dl, 83h |
||
1391 | jz .i8 |
||
1392 | test ch, 1 |
||
1393 | jnz .i16 |
||
1394 | call disasm_get_dword |
||
1395 | jmp .ic |
||
1396 | |||
1397 | .i8: |
||
1398 | xor eax, eax |
||
1399 | call disasm_get_byte |
||
1400 | cmp dl, 83h |
||
1401 | jnz .ic |
||
1402 | movsx eax, al |
||
1403 | jmp .ic |
||
1404 | |||
1405 | .i16: |
||
1406 | xor eax, eax |
||
1407 | call disasm_get_word |
||
1408 | |||
1409 | .ic: |
||
1410 | call disasm_write_num |
||
1411 | and byte [edi], 0 |
||
1412 | ret |
||
1413 | |||
1414 | ;----------------------------------------------------------------------------- |
||
1415 | |||
1416 | cmovcc: |
||
1417 | or ch, 0C0h |
||
1418 | and eax, 0xF |
||
1419 | mov ax, [disasm_jcc_codes + eax*2] |
||
1420 | mov dword [edi], 'cmov' |
||
1421 | add edi, 4 |
||
1422 | stosw |
||
1423 | mov ax, ' ' |
||
1424 | stosw |
||
1425 | call disasm_get_byte |
||
1426 | dec [disasm_cur_pos] |
||
1427 | shr eax, 3 |
||
1428 | and eax, 7 |
||
1429 | call disasm_write_reg1632 |
||
1430 | mov ax, ', ' |
||
1431 | stosw |
||
1432 | call disasm_readrmop |
||
1433 | and byte [edi], 0 |
||
1434 | ret |
||
1435 | |||
1436 | ; btx r/m,i8 = 0F BA |
||
1437 | cbtx1: |
||
1438 | or ch, 80h |
||
1439 | call disasm_get_byte |
||
1440 | dec [disasm_cur_pos] |
||
1441 | shr al, 3 |
||
1442 | and eax, 7 |
||
1443 | cmp al, 4 |
||
1444 | jb cunk |
||
1445 | mov eax, [btx1codes+eax*4-4*4] |
||
1446 | stosd |
||
1447 | mov eax, ' ' |
||
1448 | stosd |
||
1449 | call disasm_readrmop |
||
1450 | mov ax, ', ' |
||
1451 | stosw |
||
1452 | jmp disasm_i8u |
||
1453 | |||
1454 | ;----------------------------------------------------------------------------- |
||
1455 | |||
1456 | iglobal |
||
1457 | btx1codes dd 'bt ','bts ','btr ','btc ' |
||
1458 | endg |
||
1459 | |||
1460 | ;----------------------------------------------------------------------------- |
||
1461 | |||
1462 | ; btx r/m,r = 0F 101xx011 (A3,AB,B3,BB) |
||
1463 | cbtx2: |
||
1464 | shr al, 3 |
||
1465 | and eax, 3 |
||
1466 | mov eax, [btx1codes+eax*4] |
||
1467 | stosd |
||
1468 | mov eax, ' ' |
||
1469 | stosd |
||
1470 | or ch, 0xC0 |
||
1471 | call disasm_get_byte |
||
1472 | dec [disasm_cur_pos] |
||
1473 | shr al, 3 |
||
1474 | and eax, 7 |
||
1475 | push eax |
||
1476 | call disasm_readrmop |
||
1477 | mov ax, ', ' |
||
1478 | stosw |
||
1479 | pop eax |
||
1480 | call disasm_write_reg1632 |
||
1481 | and byte [edi], 0 |
||
1482 | ret |
||
1483 | |||
1484 | ;----------------------------------------------------------------------------- |
||
1485 | |||
1486 | csetcc: |
||
1487 | and eax, 0xF |
||
1488 | mov ax, [disasm_jcc_codes + eax*2] |
||
1489 | mov dword [edi], 'setc' |
||
1490 | add edi, 3 |
||
1491 | stosw |
||
1492 | mov ax, ' ' |
||
1493 | stosw |
||
1494 | stosb |
||
1495 | call disasm_readrmop |
||
1496 | and byte [edi], 0 |
||
1497 | ret |
||
1498 | |||
1499 | ;----------------------------------------------------------------------------- |
||
1500 | |||
1501 | iglobal |
||
1502 | disasm_jcc_codes dw 'o ','no','b ','ae','z ','nz','be','a ','s ','ns','p ','np','l ','ge','le','g ' |
||
1503 | endg |
||
1504 | |||
1505 | ;----------------------------------------------------------------------------- |
||
1506 | |||
1507 | cjcc1: |
||
1508 | cjmp2: |
||
1509 | cmp al, 0xEB |
||
1510 | jz .1 |
||
1511 | and eax, 0xF |
||
1512 | mov ax, [disasm_jcc_codes + eax*2] |
||
1513 | jmp .2 |
||
1514 | |||
1515 | .1: |
||
1516 | mov ax, 'mp' |
||
1517 | |||
1518 | .2: |
||
1519 | mov byte [edi], 'j' |
||
1520 | inc edi |
||
1521 | stosw |
||
1522 | mov eax, ' ' |
||
1523 | stosb |
||
1524 | stosd |
||
1525 | call disasm_get_byte |
||
1526 | movsx eax, al |
||
1527 | |||
1528 | disasm_rva: |
||
1529 | add eax, [disasm_cur_pos] |
||
1530 | call disasm_write_num |
||
1531 | and byte [edi], 0 |
||
1532 | ret |
||
1533 | |||
1534 | ;----------------------------------------------------------------------------- |
||
1535 | |||
1536 | ccall1: |
||
1537 | cjmp1: |
||
1538 | cjcc2: |
||
1539 | mov edx, 'call' |
||
1540 | cmp al, 0xE8 |
||
1541 | jz @f |
||
1542 | mov edx, 'jmp ' |
||
1543 | cmp al, 0xE9 |
||
1544 | jz @f |
||
1545 | mov edx, ' ' |
||
1546 | and eax, 0xF |
||
1547 | mov dx, [disasm_jcc_codes+eax*2] |
||
1548 | shl edx, 8 |
||
1549 | mov dl, 'j' |
||
1550 | |||
1551 | @@: |
||
1552 | xchg eax, edx |
||
1553 | stosd |
||
1554 | mov eax, ' ' |
||
1555 | stosd |
||
1556 | test ch, 1 |
||
1557 | jnz @f |
||
1558 | call disasm_get_dword |
||
1559 | jmp disasm_rva |
||
1560 | |||
1561 | @@: |
||
1562 | call disasm_get_word |
||
1563 | add eax, [disasm_cur_pos] |
||
1564 | and eax, 0xFFFF |
||
1565 | call disasm_write_num |
||
1566 | and byte [edi], 0 |
||
1567 | ret |
||
1568 | |||
1569 | ;----------------------------------------------------------------------------- |
||
1570 | |||
1571 | ccallf: |
||
1572 | mov eax, 'call' |
||
1573 | stosd |
||
1574 | mov eax, ' ' |
||
1575 | stosd |
||
1576 | mov al, 'd' |
||
1577 | test ch, 1 |
||
1578 | jnz @f |
||
1579 | mov al, 'p' |
||
1580 | |||
1581 | @@: |
||
1582 | stosb |
||
1583 | mov eax, 'word' |
||
1584 | stosd |
||
1585 | mov al, ' ' |
||
1586 | stosb |
||
1587 | test ch, 1 |
||
1588 | jnz .1 |
||
1589 | call disasm_get_dword |
||
1590 | jmp .2 |
||
1591 | |||
1592 | .1: |
||
1593 | xor eax, eax |
||
1594 | call disasm_get_word |
||
1595 | |||
1596 | .2: |
||
1597 | push eax |
||
1598 | xor eax, eax |
||
1599 | call disasm_get_word |
||
1600 | call disasm_write_num |
||
1601 | mov al, ':' |
||
1602 | stosb |
||
1603 | pop eax |
||
1604 | call disasm_write_num |
||
1605 | and byte [edi], 0 |
||
1606 | ret |
||
1607 | |||
1608 | ;----------------------------------------------------------------------------- |
||
1609 | |||
1610 | iglobal |
||
1611 | op11codes dd 'test',0,'not ','neg ','mul ','imul','div ','idiv' |
||
1612 | op12codes dd 'inc ','dec ','call',0,'jmp ',0,'push',0 |
||
1613 | endg |
||
1614 | |||
1615 | ;----------------------------------------------------------------------------- |
||
1616 | |||
1617 | cop1: |
||
1618 | disasm_set_modew |
||
1619 | xchg eax, edx |
||
1620 | call disasm_get_byte |
||
1621 | movzx esi, al |
||
1622 | dec [disasm_cur_pos] |
||
1623 | shr al, 3 |
||
1624 | and eax, 7 |
||
1625 | cmp dl, 0xFE |
||
1626 | jnz @f |
||
1627 | cmp al, 1 |
||
1628 | jbe @f |
||
1629 | |||
1630 | .0: |
||
1631 | inc [disasm_cur_pos] |
||
1632 | jmp cunk |
||
1633 | |||
1634 | @@: |
||
1635 | and edx, 8 |
||
1636 | add eax, edx |
||
1637 | cmp al, 11 |
||
1638 | jz .callfar |
||
1639 | cmp al, 13 |
||
1640 | jz .jmpfar |
||
1641 | mov eax, [op11codes+eax*4] |
||
1642 | test eax, eax |
||
1643 | jz .0 |
||
1644 | cmp eax, 'test' |
||
1645 | jz ctest |
||
1646 | |||
1647 | .2: |
||
1648 | stosd |
||
1649 | mov eax, ' ' |
||
1650 | stosd |
||
1651 | call disasm_readrmop |
||
1652 | and byte [edi], 0 |
||
1653 | ret |
||
1654 | |||
1655 | .callfar: |
||
1656 | mov eax, 'call' |
||
1657 | |||
1658 | .1: |
||
1659 | cmp esi, 0xC0 |
||
1660 | jae .0 |
||
1661 | stosd |
||
1662 | mov eax, ' ' |
||
1663 | stosd |
||
1664 | mov eax, 'far ' |
||
1665 | stosd |
||
1666 | mov al, 'd' |
||
1667 | test ch, 1 |
||
1668 | jnz @f |
||
1669 | mov al, 'p' |
||
1670 | |||
1671 | @@: |
||
1672 | stosb |
||
1673 | or ch, 1 |
||
1674 | call disasm_readrmop |
||
1675 | and byte [edi], 0 |
||
1676 | ret |
||
1677 | |||
1678 | .jmpfar: |
||
1679 | mov eax, 'jmp ' |
||
1680 | jmp .1 |
||
1681 | |||
1682 | ;----------------------------------------------------------------------------- |
||
1683 | |||
1684 | cpop2: |
||
1685 | or ch, 80h |
||
1686 | call disasm_get_byte |
||
1687 | dec [disasm_cur_pos] |
||
1688 | test al, 00111000b |
||
1689 | jnz cunk |
||
1690 | mov eax, 'pop ' |
||
1691 | jmp cop1.2 |
||
1692 | |||
1693 | ;----------------------------------------------------------------------------- |
||
1694 | |||
1695 | cloopnz: |
||
1696 | mov eax, 'loop' |
||
1697 | stosd |
||
1698 | mov eax, 'nz ' |
||
1699 | test ch, 2 |
||
1700 | jz @f |
||
1701 | mov ah, 'w' |
||
1702 | |||
1703 | @@: |
||
1704 | jmp cloop.cmn |
||
1705 | |||
1706 | cloopz: |
||
1707 | mov eax, 'loop' |
||
1708 | stosd |
||
1709 | mov eax, 'z ' |
||
1710 | test ch, 2 |
||
1711 | jz @f |
||
1712 | mov eax, 'zw ' |
||
1713 | |||
1714 | @@: |
||
1715 | jmp cloop.cmn |
||
1716 | |||
1717 | cjcxz: |
||
1718 | cloop: |
||
1719 | cmp al, 0xE2 |
||
1720 | jz .loop |
||
1721 | test ch, 2 |
||
1722 | jnz .jcxz |
||
1723 | mov eax, 'jecx' |
||
1724 | stosd |
||
1725 | mov eax, 'z ' |
||
1726 | jmp .cmn |
||
1727 | |||
1728 | .jcxz: |
||
1729 | mov eax, 'jcxz' |
||
1730 | stosd |
||
1731 | mov eax, ' ' |
||
1732 | jmp .cmn |
||
1733 | |||
1734 | .loop: |
||
1735 | mov eax, 'loop' |
||
1736 | stosd |
||
1737 | mov eax, ' ' |
||
1738 | test ch, 2 |
||
1739 | jz .cmn |
||
1740 | mov al, 'w' |
||
1741 | |||
1742 | .cmn: |
||
1743 | stosd |
||
1744 | call disasm_get_byte |
||
1745 | movsx eax, al |
||
1746 | add eax, [disasm_cur_pos] |
||
1747 | test ch, 1 |
||
1748 | jz @f |
||
1749 | and eax, 0xFFFF |
||
1750 | |||
1751 | ; @@: |
||
1752 | disasm_write_num_done: |
||
1753 | @@: |
||
1754 | call disasm_write_num |
||
1755 | and byte [edi], 0 |
||
1756 | ret |
||
1757 | |||
1758 | ;----------------------------------------------------------------------------- |
||
1759 | |||
1760 | ; imul r,r/m,i |
||
1761 | cimul1: |
||
1762 | or ch, 80h ; 32bit operation |
||
1763 | xchg eax, edx |
||
1764 | mov eax, 'imul' |
||
1765 | stosd |
||
1766 | mov eax, ' ' |
||
1767 | stosd |
||
1768 | call disasm_get_byte |
||
1769 | dec [disasm_cur_pos] |
||
1770 | shr al, 3 |
||
1771 | and eax, 7 |
||
1772 | call disasm_write_reg1632 |
||
1773 | mov ax, ', ' |
||
1774 | stosw |
||
1775 | call disasm_readrmop |
||
1776 | mov ax, ', ' |
||
1777 | stosw |
||
1778 | test ch, 1 |
||
1779 | jnz .16 |
||
1780 | cmp dl, 0x69 |
||
1781 | jz .op32 |
||
1782 | call disasm_get_byte |
||
1783 | movsx eax, al |
||
1784 | jmp disasm_write_num_done |
||
1785 | |||
1786 | .op32: |
||
1787 | call disasm_get_dword |
||
1788 | jmp disasm_write_num_done |
||
1789 | |||
1790 | .16: |
||
1791 | cmp dl, 0x69 |
||
1792 | jz .op16 |
||
1793 | call disasm_get_byte |
||
1794 | cbw |
||
1795 | jmp disasm_write_num_done |
||
1796 | |||
1797 | .op16: |
||
1798 | xor eax, eax |
||
1799 | call disasm_get_word |
||
1800 | jmp disasm_write_num_done |
||
1801 | |||
1802 | ;----------------------------------------------------------------------------- |
||
1803 | |||
1804 | cshld: |
||
1805 | cshrd: |
||
1806 | mov edx, 'shld' |
||
1807 | test al, 8 |
||
1808 | jz @f |
||
1809 | mov edx, 'shrd' |
||
1810 | |||
1811 | @@: |
||
1812 | xchg eax, edx |
||
1813 | stosd |
||
1814 | mov eax, ' ' |
||
1815 | stosd |
||
1816 | call disasm_get_byte |
||
1817 | dec [disasm_cur_pos] |
||
1818 | shr al, 3 |
||
1819 | and eax, 7 |
||
1820 | push eax |
||
1821 | or ch, 80h |
||
1822 | call disasm_readrmop |
||
1823 | mov ax, ', ' |
||
1824 | stosw |
||
1825 | pop eax |
||
1826 | call disasm_write_reg1632 |
||
1827 | mov ax, ', ' |
||
1828 | stosw |
||
1829 | test dl, 1 |
||
1830 | jz disasm_i8u |
||
1831 | mov ax, 'cl' |
||
1832 | stosw |
||
1833 | and byte [edi], 0 |
||
1834 | ret |
||
1835 | |||
1836 | ;----------------------------------------------------------------------------- |
||
1837 | |||
1838 | ccbw: |
||
1839 | mov eax, 'cbw ' |
||
1840 | test ch, 1 |
||
1841 | jnz @f |
||
1842 | mov eax, 'cwde' |
||
1843 | |||
1844 | @@: |
||
1845 | stosd |
||
1846 | and byte [edi], 0 |
||
1847 | ret |
||
1848 | |||
1849 | ccwd: |
||
1850 | mov eax, 'cwd ' |
||
1851 | test ch, 1 |
||
1852 | jnz @b |
||
1853 | mov eax, 'cdq ' |
||
1854 | jmp @b |
||
1855 | |||
1856 | ;----------------------------------------------------------------------------- |
||
1857 | |||
1858 | ccmpxchg8b: |
||
1859 | call disasm_get_byte |
||
1860 | cmp al, 0xC0 |
||
1861 | jae cerr |
||
1862 | shr al, 3 |
||
1863 | and al, 7 |
||
1864 | cmp al, 1 |
||
1865 | jnz cerr |
||
1866 | dec [disasm_cur_pos] |
||
1867 | mov eax, 'cmpx' |
||
1868 | stosd |
||
1869 | mov eax, 'chg8' |
||
1870 | stosd |
||
1871 | mov al, 'b' |
||
1872 | stosb |
||
1873 | mov al, ' ' |
||
1874 | stosb |
||
1875 | or ch, 40h |
||
1876 | call disasm_readrmop |
||
1877 | and byte [edi], 0 |
||
1878 | ret |
||
1879 | |||
1880 | ;----------------------------------------------------------------------------- |
||
1881 | |||
1882 | iglobal |
||
1883 | fpuD8 dd 'add ','mul ','com ','comp','sub ','subr','div ','divr' |
||
1884 | endg |
||
1885 | |||
1886 | ;----------------------------------------------------------------------------- |
||
1887 | |||
1888 | cD8: |
||
1889 | call disasm_get_byte |
||
1890 | dec [disasm_cur_pos] |
||
1891 | push eax |
||
1892 | shr al, 3 |
||
1893 | and eax, 7 |
||
1894 | mov byte [edi], 'f' |
||
1895 | inc edi |
||
1896 | xchg eax, edx |
||
1897 | mov eax, [fpuD8+edx*4] |
||
1898 | stosd |
||
1899 | mov ax, ' ' |
||
1900 | stosw |
||
1901 | stosb |
||
1902 | pop eax |
||
1903 | cmp dl, 2 |
||
1904 | jb .1 |
||
1905 | cmp dl, 3 |
||
1906 | jbe .2 |
||
1907 | |||
1908 | .1: |
||
1909 | cmp al, 0xC0 |
||
1910 | jb .2 |
||
1911 | mov eax, 'st0,' |
||
1912 | stosd |
||
1913 | mov al, ' ' |
||
1914 | stosb |
||
1915 | |||
1916 | .2: |
||
1917 | or ch, 80h or 20h |
||
1918 | and ch, not 1 |
||
1919 | call disasm_readrmop |
||
1920 | and byte [edi], 0 |
||
1921 | ret |
||
1922 | |||
1923 | ;----------------------------------------------------------------------------- |
||
1924 | |||
1925 | iglobal |
||
1926 | fpuD9_2: |
||
1927 | dq 'fchs ','fabs ',0,0,'ftst ','fxam ',0,0 |
||
1928 | db 'fld1 fldl2t fldl2e fldpi fldlg2 fldln2 fldz ' |
||
1929 | dq 0 |
||
1930 | db 'f2xm1 fyl2x fptan fpatan fxtract fprem1 fdecstp fincstp ' |
||
1931 | db 'fprem fyl2xp1 fsqrt fsincos frndint fscale fsin fcos ' |
||
1932 | fpuD9_fnop db 'fnop ' |
||
1933 | endg |
||
1934 | |||
1935 | ;----------------------------------------------------------------------------- |
||
1936 | |||
1937 | cD9: |
||
1938 | call disasm_get_byte |
||
1939 | sub al, 0xC0 |
||
1940 | jae .l1 |
||
1941 | dec [disasm_cur_pos] |
||
1942 | shr al, 3 |
||
1943 | and eax, 7 |
||
1944 | cmp al, 7 |
||
1945 | jnz @f |
||
1946 | mov eax, 'fnst' |
||
1947 | stosd |
||
1948 | mov eax, 'cw ' |
||
1949 | jmp .x1 |
||
1950 | |||
1951 | @@: |
||
1952 | cmp al, 5 |
||
1953 | jnz @f |
||
1954 | mov eax, 'fldc' |
||
1955 | stosd |
||
1956 | mov eax, 'w ' |
||
1957 | |||
1958 | .x1: |
||
1959 | stosd |
||
1960 | or ch, 0C1h |
||
1961 | jmp .cmn |
||
1962 | |||
1963 | @@: |
||
1964 | mov edx, 'fld ' |
||
1965 | test al, al |
||
1966 | jz @f |
||
1967 | mov edx, 'fst ' |
||
1968 | cmp al, 2 |
||
1969 | jz @f |
||
1970 | mov edx, 'fstp' |
||
1971 | cmp al, 3 |
||
1972 | jnz cunk |
||
1973 | |||
1974 | @@: |
||
1975 | xchg eax, edx |
||
1976 | stosd |
||
1977 | mov eax, ' ' |
||
1978 | stosd |
||
1979 | or ch, 80h |
||
1980 | and ch, not 1 |
||
1981 | |||
1982 | .cmn: |
||
1983 | call disasm_readrmop |
||
1984 | and byte [edi], 0 |
||
1985 | ret |
||
1986 | |||
1987 | .l1: |
||
1988 | cmp al, 10h |
||
1989 | jae .l2 |
||
1990 | mov edx, 'fld ' |
||
1991 | cmp al, 8 |
||
1992 | jb @f |
||
1993 | mov edx, 'fxch' |
||
1994 | |||
1995 | @@: |
||
1996 | xchg eax, edx |
||
1997 | stosd |
||
1998 | mov eax, ' ' |
||
1999 | stosd |
||
2000 | xchg eax, edx |
||
2001 | and al, 7 |
||
2002 | add al, '0' |
||
2003 | shl eax, 16 |
||
2004 | mov ax, 'st' |
||
2005 | stosd |
||
2006 | clc |
||
2007 | ret |
||
2008 | |||
2009 | .l2: |
||
2010 | cmp al, 0x10 |
||
2011 | jnz @f |
||
2012 | mov esi, fpuD9_fnop |
||
2013 | jmp .l3 |
||
2014 | |||
2015 | @@: |
||
2016 | sub al, 0x20 |
||
2017 | jb cerr |
||
2018 | lea esi, [fpuD9_2+eax*8] |
||
2019 | cmp byte [esi], 0 |
||
2020 | jz cerr |
||
2021 | |||
2022 | .l3: |
||
2023 | movsd |
||
2024 | movsd |
||
2025 | and byte [edi-1], 0 |
||
2026 | ret |
||
2027 | |||
2028 | ;----------------------------------------------------------------------------- |
||
2029 | |||
2030 | cDA: |
||
2031 | call disasm_get_byte |
||
2032 | cmp al, 0xC0 |
||
2033 | jae cunk |
||
2034 | dec [disasm_cur_pos] |
||
2035 | shr al, 3 |
||
2036 | and eax, 7 |
||
2037 | mov word [edi], 'fi' |
||
2038 | inc edi |
||
2039 | inc edi |
||
2040 | mov eax, [fpuD8+eax*4] |
||
2041 | stosd |
||
2042 | mov ax, ' ' |
||
2043 | stosw |
||
2044 | or ch, 80h |
||
2045 | and ch, not 1 ; 32-bit operand |
||
2046 | call disasm_readrmop |
||
2047 | and byte [edi], 0 |
||
2048 | ret |
||
2049 | |||
2050 | ;----------------------------------------------------------------------------- |
||
2051 | |||
2052 | iglobal |
||
2053 | fpuDB dd 'ild ',0,'ist ','istp',0,'ld ',0,'stp ' |
||
2054 | endg |
||
2055 | |||
2056 | ;----------------------------------------------------------------------------- |
||
2057 | |||
2058 | cDB: |
||
2059 | call disasm_get_byte |
||
2060 | cmp al, 0xC0 |
||
2061 | jae .1 |
||
2062 | dec [disasm_cur_pos] |
||
2063 | shr al, 3 |
||
2064 | and eax, 7 |
||
2065 | xchg eax, edx |
||
2066 | mov eax, [fpuDB+edx*4] |
||
2067 | test eax, eax |
||
2068 | jz cerr |
||
2069 | mov byte [edi], 'f' |
||
2070 | inc edi |
||
2071 | stosd |
||
2072 | mov ax, ' ' |
||
2073 | stosw |
||
2074 | stosb |
||
2075 | or ch, 80h |
||
2076 | and ch, not 1 ; 32-bit operand |
||
2077 | cmp dl, 4 |
||
2078 | jb @f |
||
2079 | or ch, 20h |
||
2080 | and ch, not 80h ; 80-bit operand |
||
2081 | |||
2082 | @@: |
||
2083 | call disasm_readrmop |
||
2084 | and byte [edi], 0 |
||
2085 | ret |
||
2086 | |||
2087 | .1: |
||
2088 | cmp al, 0xE3 |
||
2089 | jnz cunk |
||
2090 | mov eax, 'fnin' |
||
2091 | stosd |
||
2092 | mov eax, 'it' |
||
2093 | stosd |
||
2094 | dec edi |
||
2095 | ret ; CF cleared |
||
2096 | |||
2097 | ;----------------------------------------------------------------------------- |
||
2098 | |||
2099 | iglobal |
||
2100 | fpuDC dd 'add ','mul ',0,0,'subr','sub ','divr','div ' |
||
2101 | endg |
||
2102 | |||
2103 | ;----------------------------------------------------------------------------- |
||
2104 | |||
2105 | cDC: |
||
2106 | call disasm_get_byte |
||
2107 | cmp al, 0xC0 |
||
2108 | jae .1 |
||
2109 | dec [disasm_cur_pos] |
||
2110 | shr al, 3 |
||
2111 | and eax, 7 |
||
2112 | mov byte [edi], 'f' |
||
2113 | inc edi |
||
2114 | mov eax, [fpuD8+eax*4] |
||
2115 | stosd |
||
2116 | mov ax, ' ' |
||
2117 | stosw |
||
2118 | stosb |
||
2119 | or ch, 0A1h ; qword |
||
2120 | call disasm_readrmop |
||
2121 | and byte [edi], 0 |
||
2122 | ret |
||
2123 | |||
2124 | .1: |
||
2125 | mov dl, al |
||
2126 | shr al, 3 |
||
2127 | and eax, 7 |
||
2128 | mov eax, [fpuDC+eax*4] |
||
2129 | test eax, eax |
||
2130 | jz cerr |
||
2131 | mov byte [edi], 'f' |
||
2132 | inc edi |
||
2133 | stosd |
||
2134 | mov eax, ' s' |
||
2135 | stosd |
||
2136 | mov al, 't' |
||
2137 | stosb |
||
2138 | and edx, 7 |
||
2139 | lea eax, [edx+'0'] |
||
2140 | stosb |
||
2141 | mov eax, ', st' |
||
2142 | stosd |
||
2143 | mov ax, '0' |
||
2144 | stosw |
||
2145 | ret ; CF cleared |
||
2146 | |||
2147 | ;----------------------------------------------------------------------------- |
||
2148 | |||
2149 | iglobal |
||
2150 | fpuDD dd 'fld ',0,'fst ','fstp',0,0,0,0 |
||
2151 | fpuDD_2 dq 'ffree ',0,'fst ','fstp ','fucom ','fucomp ',0,0 |
||
2152 | endg |
||
2153 | |||
2154 | ;----------------------------------------------------------------------------- |
||
2155 | |||
2156 | cDD: |
||
2157 | call disasm_get_byte |
||
2158 | cmp al, 0xC0 |
||
2159 | jae .1 |
||
2160 | dec [disasm_cur_pos] |
||
2161 | shr al, 3 |
||
2162 | and eax, 7 |
||
2163 | xchg eax, edx |
||
2164 | mov eax, [fpuDD+edx*4] |
||
2165 | test eax, eax |
||
2166 | jz cunk |
||
2167 | stosd |
||
2168 | mov eax, ' ' |
||
2169 | stosd |
||
2170 | or ch, 0A1h ; qword operand |
||
2171 | call disasm_readrmop |
||
2172 | and byte [edi], 0 |
||
2173 | ret |
||
2174 | |||
2175 | .1: |
||
2176 | push eax |
||
2177 | shr al, 3 |
||
2178 | and eax, 7 |
||
2179 | xchg eax, edx |
||
2180 | mov eax, dword [fpuDD_2+edx*8] |
||
2181 | test eax, eax |
||
2182 | jz cerr |
||
2183 | stosd |
||
2184 | mov eax, dword [fpuDD_2+4+edx*8] |
||
2185 | stosd |
||
2186 | mov ax, 'st' |
||
2187 | stosw |
||
2188 | pop eax |
||
2189 | and al, 7 |
||
2190 | add al, '0' |
||
2191 | stosb |
||
2192 | and byte [edi], 0 |
||
2193 | ret |
||
2194 | |||
2195 | ;----------------------------------------------------------------------------- |
||
2196 | |||
2197 | iglobal |
||
2198 | fpuDE dd 'add ','mul ',0,0,'subr','sub ','divr','div ' |
||
2199 | endg |
||
2200 | |||
2201 | ;----------------------------------------------------------------------------- |
||
2202 | |||
2203 | cDE: |
||
2204 | call disasm_get_byte |
||
2205 | cmp al, 0xC0 |
||
2206 | jae .1 |
||
2207 | dec [disasm_cur_pos] |
||
2208 | mov word [edi], 'fi' |
||
2209 | inc edi |
||
2210 | inc edi |
||
2211 | shr al, 3 |
||
2212 | and eax, 7 |
||
2213 | mov eax, [fpuD8+eax*4] |
||
2214 | stosd |
||
2215 | mov ax, ' ' |
||
2216 | stosw |
||
2217 | or ch, 81h ; force 16-bit |
||
2218 | call disasm_readrmop |
||
2219 | and byte [edi], 0 |
||
2220 | ret |
||
2221 | |||
2222 | .1: |
||
2223 | push eax |
||
2224 | shr al, 3 |
||
2225 | and eax, 7 |
||
2226 | xchg eax, edx |
||
2227 | mov eax, [fpuDE+edx*4] |
||
2228 | test eax, eax |
||
2229 | jz .fcompp |
||
2230 | mov byte [edi], 'f' |
||
2231 | inc edi |
||
2232 | stosd |
||
2233 | mov al, 'p' |
||
2234 | cmp byte [edi-1], ' ' |
||
2235 | jnz @f |
||
2236 | mov byte [edi-1], al |
||
2237 | mov al, ' ' |
||
2238 | |||
2239 | @@: |
||
2240 | stosb |
||
2241 | mov eax, ' st' |
||
2242 | stosd |
||
2243 | pop eax |
||
2244 | and al, 7 |
||
2245 | add al, '0' |
||
2246 | stosb |
||
2247 | mov ax, ', ' |
||
2248 | stosw |
||
2249 | mov eax, 'st0' |
||
2250 | stosd |
||
2251 | ret ; CF cleared |
||
2252 | |||
2253 | .fcompp: |
||
2254 | pop eax |
||
2255 | cmp al, 0xD9 |
||
2256 | jnz cerr |
||
2257 | mov eax, 'fcom' |
||
2258 | stosd |
||
2259 | mov ax, 'pp' |
||
2260 | stosw |
||
2261 | and byte [edi], 0 |
||
2262 | ret |
||
2263 | |||
2264 | ;----------------------------------------------------------------------------- |
||
2265 | |||
2266 | iglobal |
||
2267 | fpuDF dd 'ild ',0,'ist ','istp','bld ','ild ','bstp','istp' |
||
2268 | endg |
||
2269 | |||
2270 | ;----------------------------------------------------------------------------- |
||
2271 | |||
2272 | cDF: |
||
2273 | call disasm_get_byte |
||
2274 | cmp al, 0xC0 |
||
2275 | jae .1 |
||
2276 | dec [disasm_cur_pos] |
||
2277 | shr al, 3 |
||
2278 | and eax, 7 |
||
2279 | xchg eax, edx |
||
2280 | mov eax, [fpuDF+edx*4] |
||
2281 | test eax, eax |
||
2282 | jz cerr |
||
2283 | mov byte [edi], 'f' |
||
2284 | inc edi |
||
2285 | stosd |
||
2286 | mov ax, ' ' |
||
2287 | stosw |
||
2288 | stosb |
||
2289 | or ch, 81h ; force 16-bit operand |
||
2290 | cmp dl, 4 |
||
2291 | jb @f |
||
2292 | or ch, 20h |
||
2293 | test dl, 1 |
||
2294 | jnz @f |
||
2295 | or ch, 40h |
||
2296 | |||
2297 | @@: |
||
2298 | call disasm_readrmop |
||
2299 | and byte [edi], 0 |
||
2300 | ret |
||
2301 | |||
2302 | .1: |
||
2303 | cmp al, 0xE0 |
||
2304 | jnz cunk |
||
2305 | mov eax, 'fnst' |
||
2306 | stosd |
||
2307 | mov eax, 'sw ' |
||
2308 | stosd |
||
2309 | mov ax, 'ax' |
||
2310 | stosw |
||
2311 | and byte [edi], 0 |
||
2312 | ret |
||
2313 | |||
2314 | ;----------------------------------------------------------------------------- |
||
2315 | |||
2316 | cmovd1: |
||
2317 | mov eax, 'movd' |
||
2318 | stosd |
||
2319 | mov eax, ' ' |
||
2320 | stosd |
||
2321 | call disasm_get_byte |
||
2322 | dec [disasm_cur_pos] |
||
2323 | shr al, 3 |
||
2324 | and eax, 7 |
||
2325 | call disasm_write_mmreg |
||
2326 | mov ax, ', ' |
||
2327 | stosw |
||
2328 | or ch, 0C0h |
||
2329 | and ch, not 1 |
||
2330 | call disasm_readrmop |
||
2331 | and byte [edi], 0 |
||
2332 | ret |
||
2333 | |||
2334 | ;----------------------------------------------------------------------------- |
||
2335 | |||
2336 | cmovd2: |
||
2337 | mov eax, 'movd' |
||
2338 | stosd |
||
2339 | mov eax, ' ' |
||
2340 | stosd |
||
2341 | call disasm_get_byte |
||
2342 | dec [disasm_cur_pos] |
||
2343 | shr al, 3 |
||
2344 | and eax, 7 |
||
2345 | push eax ecx |
||
2346 | or ch, 0C0h |
||
2347 | and ch, not 1 |
||
2348 | call disasm_readrmop |
||
2349 | mov ax, ', ' |
||
2350 | stosw |
||
2351 | pop ecx eax |
||
2352 | call disasm_write_mmreg |
||
2353 | and byte [edi], 0 |
||
2354 | ret |
||
2355 | |||
2356 | ;----------------------------------------------------------------------------- |
||
2357 | |||
2358 | cmovq1: |
||
2359 | test ch, 1 |
||
2360 | jz .mm |
||
2361 | mov eax, 'movd' |
||
2362 | stosd |
||
2363 | mov eax, 'qa ' |
||
2364 | stosd |
||
2365 | jmp disasm_mmx1 |
||
2366 | |||
2367 | .mm: |
||
2368 | mov eax, 'movq' |
||
2369 | stosd |
||
2370 | mov eax, ' ' |
||
2371 | stosd |
||
2372 | jmp disasm_mmx1 |
||
2373 | |||
2374 | ;----------------------------------------------------------------------------- |
||
2375 | |||
2376 | cmovq2: |
||
2377 | test ch, 1 |
||
2378 | jz .mm |
||
2379 | mov eax, 'movd' |
||
2380 | stosd |
||
2381 | mov eax, 'qa ' |
||
2382 | stosd |
||
2383 | jmp disasm_mmx3 |
||
2384 | |||
2385 | .mm: |
||
2386 | mov eax, 'movq' |
||
2387 | |||
2388 | disasm_mmx2: |
||
2389 | stosd |
||
2390 | mov eax, ' ' |
||
2391 | stosd |
||
2392 | |||
2393 | disasm_mmx3: |
||
2394 | or ch, 50h |
||
2395 | call disasm_get_byte |
||
2396 | dec [disasm_cur_pos] |
||
2397 | push eax |
||
2398 | call disasm_readrmop |
||
2399 | mov ax, ', ' |
||
2400 | stosw |
||
2401 | pop eax |
||
2402 | shr al, 3 |
||
2403 | and eax, 7 |
||
2404 | call disasm_write_mmreg |
||
2405 | and byte [edi], 0 |
||
2406 | ret |
||
2407 | |||
2408 | ;----------------------------------------------------------------------------- |
||
2409 | |||
2410 | iglobal |
||
2411 | mmx_cmds: |
||
2412 | db 0x60,'unpcklbw' |
||
2413 | db 0x61,'unpcklwd' |
||
2414 | db 0x62,'unpckldq' |
||
2415 | db 0x63,'packsswb' |
||
2416 | db 0x64,'pcmpgtb ' |
||
2417 | db 0x65,'pcmpgtw ' |
||
2418 | db 0x66,'pcmpgtd ' |
||
2419 | db 0x67,'packuswb' |
||
2420 | db 0x68,'unpckhbw' |
||
2421 | db 0x69,'unpckhwd' |
||
2422 | db 0x6A,'unpckhdq' |
||
2423 | db 0x6B,'packssdw' |
||
2424 | db 0x74,'pcmpeqb ' |
||
2425 | db 0x75,'pcmpeqw ' |
||
2426 | db 0x76,'pcmpeqd ' |
||
2427 | db 0xD4,'paddq ' |
||
2428 | db 0xD5,'pmullw ' |
||
2429 | db 0xD8,'psubusb ' |
||
2430 | db 0xD9,'psubusw ' |
||
2431 | db 0xDA,'pminub ' |
||
2432 | db 0xDB,'pand ' |
||
2433 | db 0xDC,'paddusb ' |
||
2434 | db 0xDD,'paddusw ' |
||
2435 | db 0xDE,'pmaxub ' |
||
2436 | db 0xDF,'pandn ' |
||
2437 | db 0xE0,'pavgb ' |
||
2438 | db 0xE3,'pavgw ' |
||
2439 | db 0xE4,'pmulhuw ' |
||
2440 | db 0xE5,'pmulhw ' |
||
2441 | db 0xE8,'psubsb ' |
||
2442 | db 0xE9,'psubsw ' |
||
2443 | db 0xEA,'pminsw ' |
||
2444 | db 0xEB,'por ' |
||
2445 | db 0xEC,'paddsb ' |
||
2446 | db 0xED,'paddsw ' |
||
2447 | db 0xEE,'pmaxsw ' |
||
2448 | db 0xEF,'pxor ' |
||
2449 | db 0xF4,'pmuludq ' |
||
2450 | db 0xF5,'pmaddwd ' |
||
2451 | db 0xF6,'psadbw ' |
||
2452 | db 0xF8,'psubb ' |
||
2453 | db 0xF9,'psubw ' |
||
2454 | db 0xFA,'psubd ' |
||
2455 | db 0xFB,'psubq ' |
||
2456 | db 0xFC,'paddb ' |
||
2457 | db 0xFD,'paddw ' |
||
2458 | db 0xFE,'paddd ' |
||
2459 | endg |
||
2460 | |||
2461 | ;----------------------------------------------------------------------------- |
||
2462 | |||
2463 | cpcmn: |
||
2464 | mov esi, mmx_cmds |
||
2465 | |||
2466 | @@: |
||
2467 | cmp al, [esi] |
||
2468 | jz @f |
||
2469 | add esi, 9 |
||
2470 | jmp @b |
||
2471 | |||
2472 | @@: |
||
2473 | inc esi |
||
2474 | mov al, 'p' |
||
2475 | cmp byte [esi], al |
||
2476 | jz @f |
||
2477 | stosb |
||
2478 | |||
2479 | @@: |
||
2480 | movsd |
||
2481 | movsd |
||
2482 | cmp byte [edi-1], ' ' |
||
2483 | jz @f |
||
2484 | mov al, ' ' |
||
2485 | stosb |
||
2486 | |||
2487 | ; @@: |
||
2488 | |||
2489 | disasm_mmx1: |
||
2490 | @@: |
||
2491 | or ch, 50h |
||
2492 | call disasm_get_byte |
||
2493 | dec [disasm_cur_pos] |
||
2494 | shr al, 3 |
||
2495 | and eax, 7 |
||
2496 | call disasm_write_mmreg |
||
2497 | mov ax, ', ' |
||
2498 | stosw |
||
2499 | call disasm_readrmop |
||
2500 | cmp word [disasm_string], 'cm' |
||
2501 | jz .cmp |
||
2502 | and byte [edi], 0 |
||
2503 | ret |
||
2504 | |||
2505 | .cmp: |
||
2506 | call disasm_get_byte |
||
2507 | and eax, 7 |
||
2508 | mov dx, 'eq' |
||
2509 | dec eax |
||
2510 | js @f |
||
2511 | mov dx, 'lt' |
||
2512 | jz @f |
||
2513 | mov dh, 'e' |
||
2514 | dec eax |
||
2515 | jnz .no2 |
||
2516 | |||
2517 | @@: |
||
2518 | xchg dx, word [disasm_string+3] |
||
2519 | mov word [disasm_string+5], dx |
||
2520 | and byte [edi], 0 |
||
2521 | ret |
||
2522 | |||
2523 | .no2: |
||
2524 | dec eax |
||
2525 | jnz @f |
||
2526 | add edi, 2 |
||
2527 | push edi |
||
2528 | lea esi, [edi-3] |
||
2529 | lea ecx, [esi-(disasm_string+8)+2] |
||
2530 | std |
||
2531 | rep movsb |
||
2532 | cld |
||
2533 | mov cx, word [esi-3] |
||
2534 | mov dword [esi-3], 'unor' |
||
2535 | mov byte [esi+1], 'd' |
||
2536 | mov word [esi+2], cx |
||
2537 | pop edi |
||
2538 | and byte [edi+1], 0 |
||
2539 | ret |
||
2540 | |||
2541 | @@: |
||
2542 | mov edx, 'neq' |
||
2543 | dec eax |
||
2544 | jz @f |
||
2545 | mov edx, 'nlt' |
||
2546 | dec eax |
||
2547 | jz @f |
||
2548 | mov edx, 'nle' |
||
2549 | dec eax |
||
2550 | jz @f |
||
2551 | mov edx, 'ord' |
||
2552 | |||
2553 | @@: |
||
2554 | push edi |
||
2555 | lea esi, [edi-1] |
||
2556 | lea ecx, [esi-(disasm_string+8)+2] |
||
2557 | std |
||
2558 | rep movsb |
||
2559 | cld |
||
2560 | mov cx, word [esi-3] |
||
2561 | mov dword [esi-3], edx |
||
2562 | mov word [esi], cx |
||
2563 | pop edi |
||
2564 | and byte [edi+1], 0 |
||
2565 | ret |
||
2566 | |||
2567 | ;----------------------------------------------------------------------------- |
||
2568 | |||
2569 | cpsrlw: |
||
2570 | mov eax, 'psrl' |
||
2571 | jmp @f |
||
2572 | |||
2573 | cpsraw: |
||
2574 | mov eax, 'psra' |
||
2575 | jmp @f |
||
2576 | |||
2577 | cpsllw: |
||
2578 | mov eax, 'psll' |
||
2579 | |||
2580 | @@: |
||
2581 | stosd |
||
2582 | mov eax, 'w ' |
||
2583 | stosd |
||
2584 | jmp disasm_mmx1 |
||
2585 | |||
2586 | cpsrld: |
||
2587 | mov eax, 'psrl' |
||
2588 | jmp @f |
||
2589 | |||
2590 | cpsrad: |
||
2591 | mov eax, 'psra' |
||
2592 | jmp @f |
||
2593 | |||
2594 | cpslld: |
||
2595 | mov eax, 'psll' |
||
2596 | |||
2597 | @@: |
||
2598 | stosd |
||
2599 | mov eax, 'd ' |
||
2600 | stosd |
||
2601 | jmp disasm_mmx1 |
||
2602 | |||
2603 | cpsrlq: |
||
2604 | mov eax, 'psrl' |
||
2605 | jmp @f |
||
2606 | |||
2607 | cpsllq: |
||
2608 | mov eax, 'psll' |
||
2609 | |||
2610 | @@: |
||
2611 | stosd |
||
2612 | mov eax, 'q ' |
||
2613 | stosd |
||
2614 | jmp disasm_mmx1 |
||
2615 | |||
2616 | ;----------------------------------------------------------------------------- |
||
2617 | |||
2618 | csse1: |
||
2619 | iglobal |
||
2620 | sse_cmds1: |
||
2621 | db 0x2F,4,'comi' |
||
2622 | db 0x54,3,'and' |
||
2623 | db 0x55,4,'andn' |
||
2624 | db 0x58,3,'add' |
||
2625 | db 0xC2,3,'cmp' |
||
2626 | endg |
||
2627 | mov esi, sse_cmds1+1 |
||
2628 | |||
2629 | .1: |
||
2630 | @@: |
||
2631 | movzx edx, byte [esi] |
||
2632 | cmp al, [esi-1] |
||
2633 | jz @f |
||
2634 | lea esi, [esi+edx+2] |
||
2635 | jmp @b |
||
2636 | |||
2637 | @@: |
||
2638 | push ecx |
||
2639 | mov ecx, edx |
||
2640 | inc esi |
||
2641 | rep movsb |
||
2642 | pop ecx |
||
2643 | mov al, 's' |
||
2644 | cmp byte [edi-1], 'i' |
||
2645 | jz @f |
||
2646 | mov al, 'p' |
||
2647 | |||
2648 | @@: |
||
2649 | stosb |
||
2650 | mov al, 'd' |
||
2651 | test ch, 1 |
||
2652 | jnz @f |
||
2653 | mov al, 's' |
||
2654 | |||
2655 | @@: |
||
2656 | stosb |
||
2657 | push ecx |
||
2658 | push 5 |
||
2659 | pop ecx |
||
2660 | sub ecx, edx |
||
2661 | adc ecx, 1 |
||
2662 | mov al, ' ' |
||
2663 | rep stosb |
||
2664 | pop ecx |
||
2665 | or ch, 1 ; force XMM reg |
||
2666 | jmp disasm_mmx1 |
||
2667 | |||
2668 | ;----------------------------------------------------------------------------- |
||
2669 | |||
2670 | csse2: |
||
2671 | iglobal |
||
2672 | sse_cmds2: |
||
2673 | db 0xD0,6,'addsub' |
||
2674 | db 0,0 |
||
2675 | endg |
||
2676 | test ch, 1 |
||
2677 | jz cerr |
||
2678 | mov esi, sse_cmds2+1 |
||
2679 | jmp csse1.1 |
||
2680 | |||
2681 | cpshift: |
||
2682 | mov dl, al |
||
2683 | mov ax, 'ps' |
||
2684 | stosw |
||
2685 | call disasm_get_byte |
||
2686 | push eax |
||
2687 | and al, 0xC0 |
||
2688 | cmp al, 0xC0 |
||
2689 | jnz .pop_cunk |
||
2690 | pop eax |
||
2691 | push eax |
||
2692 | shr al, 3 |
||
2693 | and eax, 7 |
||
2694 | cmp al, 2 |
||
2695 | jz .rl |
||
2696 | cmp al, 4 |
||
2697 | jz .ra |
||
2698 | cmp al, 6 |
||
2699 | jz .ll |
||
2700 | |||
2701 | .pop_cunk: |
||
2702 | pop eax |
||
2703 | jmp cunk |
||
2704 | |||
2705 | .ll: |
||
2706 | mov ax, 'll' |
||
2707 | jmp @f |
||
2708 | |||
2709 | .rl: |
||
2710 | mov ax, 'rl' |
||
2711 | jmp @f |
||
2712 | |||
2713 | .ra: |
||
2714 | cmp dl, 0x73 |
||
2715 | jz .pop_cunk |
||
2716 | mov ax, 'ra' |
||
2717 | |||
2718 | @@: |
||
2719 | stosw |
||
2720 | mov al, 'w' |
||
2721 | cmp dl, 0x71 |
||
2722 | jz @f |
||
2723 | mov al, 'd' |
||
2724 | cmp dl, 0x72 |
||
2725 | jz @f |
||
2726 | mov al, 'q' |
||
2727 | |||
2728 | @@: |
||
2729 | stosb |
||
2730 | mov ax, ' ' |
||
2731 | stosw |
||
2732 | stosb |
||
2733 | pop eax |
||
2734 | and eax, 7 |
||
2735 | call disasm_write_mmreg |
||
2736 | mov ax, ', ' |
||
2737 | stosw |
||
2738 | xor eax, eax |
||
2739 | call disasm_get_byte |
||
2740 | call disasm_write_num |
||
2741 | and byte [edi], 0 |
||
2742 | ret |
||
2743 | |||
2744 | ;----------------------------------------------------------------------------- |
||
2745 | |||
2746 | iglobal |
||
2747 | grp15c1 dq 'fxsave ','fxrstor ','ldmxcsr ','stmxcsr ',0,0,0,'clflush ' |
||
2748 | endg |
||
2749 | |||
2750 | ;----------------------------------------------------------------------------- |
||
2751 | |||
2752 | cgrp15: |
||
2753 | call disasm_get_byte |
||
2754 | cmp al, 0xC0 |
||
2755 | jae cunk |
||
2756 | shr al, 3 |
||
2757 | and eax, 7 |
||
2758 | mov edx, eax |
||
2759 | mov eax, dword [grp15c1+eax*8] |
||
2760 | test eax, eax |
||
2761 | jz cerr |
||
2762 | dec [disasm_cur_pos] |
||
2763 | stosd |
||
2764 | mov eax, dword [grp15c1+4+edx*8] |
||
2765 | stosd |
||
2766 | or ch, 40h |
||
2767 | call disasm_readrmop |
||
2768 | and byte [edi], 0 |
||
2769 | ret |
||
2770 | |||
2771 | ; vim: ft=fasm tabstop=4 |
||
2772 |