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Add and_rm32_imm(0x81,0x83) instruction

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tuz358
2018-03-17 20:59:57 +09:00
parent 7ff08d268c
commit b2838393aa
2 changed files with 21 additions and 2 deletions
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1
include/instructions.h
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@@ -136,5 +136,6 @@ public:
void or_rm32_imm(int imm_flag); void or_rm32_imm(int imm_flag);
void adc_rm32_imm(int imm_flag); void adc_rm32_imm(int imm_flag);
void sbb_rm32_imm(int imm_flag); void sbb_rm32_imm(int imm_flag);
void and_rm32_imm(int imm_flag);
void cmp_rm32_imm8(); void cmp_rm32_imm8();
}; };

22
instructions.cpp
View File

@@ -484,7 +484,7 @@ void Instructions::opcode_81(){
sbb_rm32_imm(IMM32); sbb_rm32_imm(IMM32);
break; break;
case 4: case 4:
// TODO: and_rm32_imm32(); and_rm32_imm(IMM32);
break; break;
case 5: case 5:
// TODO: sub_rm32_imm32(); // TODO: sub_rm32_imm32();
@@ -520,7 +520,7 @@ void Instructions::opcode_83(){
sbb_rm32_imm(IMM8); sbb_rm32_imm(IMM8);
break; break;
case 4: case 4:
// TODO: and_rm32_imm8(); and_rm32_imm(IMM8);
break; break;
case 5: case 5:
// TODO: sub_rm32_imm8(); // TODO: sub_rm32_imm8();
@@ -856,6 +856,24 @@ void Instructions::sbb_rm32_imm(int imm_flag){
this->eip++; this->eip++;
} }
void Instructions::and_rm32_imm(int imm_flag){
//printf("and_rm32_imm called.\n");
this->eip++;
if(imm_flag == IMM8){
uint8_t imm8 = memory.read_uint8(this->eip);
this->registers[this->M] &= imm8;
} else if(imm_flag == IMM32){
uint32_t imm32 = memory.read_uint32(this->eip);
imm32 = swap_endian32(imm32);
this->registers[this->M] &= imm32;
} else {
}
this->eip++;
}
void Instructions::cmp_rm32_imm8(){ void Instructions::cmp_rm32_imm8(){
//printf("cmp_rm32_imm8 called.\n"); //printf("cmp_rm32_imm8 called.\n");