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perfaware/part1: Add support for DAS/AAS

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doyle 2023-03-19 14:55:22 +11:00
parent 9afdb337d2
commit 7600b58188
1 changed files with 11 additions and 1 deletions
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12
part1/sim8086.c
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@ -130,6 +130,9 @@ typedef enum S86_InstructionType {
S86_InstructionType_DECReg,
S86_InstructionType_NEG,
S86_InstructionType_AAS,
S86_InstructionType_DAS,
S86_InstructionType_CMPRegOrMemAndReg,
S86_InstructionType_CMPImmediateWithRegOrMem,
S86_InstructionType_CMPImmediateWithAccum,
@ -563,6 +566,11 @@ int main(int argc, char **argv)
[S86_InstructionType_NEG] = {.op_mask0 = 0b1111'1110, .op_mask1 = 0b0011'1000,
.op_bits0 = 0b1111'0110, .op_bits1 = 0b0001'1000, .mnemonic = S86_STR8("neg")},
[S86_InstructionType_AAS] = {.op_mask0 = 0b1111'1111, .op_mask1 = 0b0000'0000,
.op_bits0 = 0b0011'1111, .op_bits1 = 0b0000'0000, .mnemonic = S86_STR8("aas")},
[S86_InstructionType_DAS] = {.op_mask0 = 0b1111'1111, .op_mask1 = 0b0000'0000,
.op_bits0 = 0b0010'1111, .op_bits1 = 0b0000'0000, .mnemonic = S86_STR8("das")},
[S86_InstructionType_CMPRegOrMemAndReg] = {.op_mask0 = 0b1111'1100, .op_mask1 = 0b0000'0000,
.op_bits0 = 0b0011'1000, .op_bits1 = 0b0000'0000, .mnemonic = S86_STR8("cmp")},
[S86_InstructionType_CMPImmediateWithRegOrMem] = {.op_mask0 = 0b1111'1100, .op_mask1 = 0b0011'1000,
@ -944,7 +952,9 @@ int main(int argc, char **argv)
instruction_type == S86_InstructionType_PUSHF ||
instruction_type == S86_InstructionType_POPF ||
instruction_type == S86_InstructionType_DAA ||
instruction_type == S86_InstructionType_AAA) {
instruction_type == S86_InstructionType_AAA ||
instruction_type == S86_InstructionType_DAS ||
instruction_type == S86_InstructionType_AAS) {
// NOTE: Mnemonic instruction only, already printed
S86_Print(S86_STR8("\n"));
} else {