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perfaware/part1: Add support for [D|A]AA"

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doyle 2023-03-19 14:41:07 +11:00
parent 4652f9e832
commit aec0d9e1b9
1 changed files with 14 additions and 5 deletions
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19
part1/sim8086.c
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@ -115,6 +115,9 @@ typedef enum S86_InstructionType {
S86_InstructionType_INCRegOrMem,
S86_InstructionType_INCReg,
S86_InstructionType_AAA,
S86_InstructionType_DAA,
S86_InstructionType_SUBRegOrMemToOrFromReg,
S86_InstructionType_SUBImmediateFromRegOrMem,
S86_InstructionType_SUBImmediateFromAccum,
@ -523,10 +526,14 @@ int main(int argc, char **argv)
[S86_InstructionType_INCRegOrMem] = {.op_mask0 = 0b1111'1110, .op_mask1 = 0b0011'1000,
.op_bits0 = 0b1111'1110, .op_bits1 = 0b0000'0000, .mnemonic = S86_STR8("inc")},
[S86_InstructionType_INCReg] = {.op_mask0 = 0b1111'1000, .op_mask1 = 0b0000'0000,
.op_bits0 = 0b0100'0000, .op_bits1 = 0b0000'0000, .mnemonic = S86_STR8("inc")},
[S86_InstructionType_AAA] = {.op_mask0 = 0b1111'1111, .op_mask1 = 0b0000'0000,
.op_bits0 = 0b0011'0111, .op_bits1 = 0b0000'0000, .mnemonic = S86_STR8("aaa")},
[S86_InstructionType_DAA] = {.op_mask0 = 0b1111'1111, .op_mask1 = 0b0000'0000,
.op_bits0 = 0b0010'0111, .op_bits1 = 0b0000'0000, .mnemonic = S86_STR8("daa")},
[S86_InstructionType_SUBRegOrMemToOrFromReg] = {.op_mask0 = 0b1111'1100, .op_mask1 = 0b0000'0000,
.op_bits0 = 0b0010'1000, .op_bits1 = 0b0000'0000, .mnemonic = S86_STR8("sub")},
[S86_InstructionType_SUBImmediateFromRegOrMem] = {.op_mask0 = 0b1111'1100, .op_mask1 = 0b0011'1000,
@ -891,11 +898,13 @@ int main(int argc, char **argv)
sign = '-';
}
S86_PrintLnFmt(" $+2%c%d", sign, jump_offset);
} else if (instruction_type == S86_InstructionType_XLAT ||
instruction_type == S86_InstructionType_LAHF ||
instruction_type == S86_InstructionType_SAHF ||
} else if (instruction_type == S86_InstructionType_XLAT ||
instruction_type == S86_InstructionType_LAHF ||
instruction_type == S86_InstructionType_SAHF ||
instruction_type == S86_InstructionType_PUSHF ||
instruction_type == S86_InstructionType_POPF) {
instruction_type == S86_InstructionType_POPF ||
instruction_type == S86_InstructionType_DAA ||
instruction_type == S86_InstructionType_AAA) {
// NOTE: Mnemonic instruction only, already printed
S86_Print(S86_STR8("\n"));
} else {