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Add or_rm32_imm(0x81,0x83) instruction

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tuz358
2018-03-16 12:57:47 +09:00
parent 470052a910
commit a2df2c4834
2 changed files with 21 additions and 2 deletions
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1
include/instructions.h
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@@ -116,5 +116,6 @@ public:
// called by opcode_81 and opcode_83 // called by opcode_81 and opcode_83
void add_rm32_imm(int imm_flag); void add_rm32_imm(int imm_flag);
void or_rm32_imm(int imm_flag);
void cmp_rm32_imm8(); void cmp_rm32_imm8();
}; };

22
instructions.cpp
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@@ -1169,7 +1169,7 @@ void Instructions::opcode_81(){
add_rm32_imm(IMM32); add_rm32_imm(IMM32);
break; break;
case 1: case 1:
// TODO: or_rm32_imm32(); or_rm32_imm(IMM32);
break; break;
case 2: case 2:
// TODO: adc_rm32_imm32(); // TODO: adc_rm32_imm32();
@@ -1205,7 +1205,7 @@ void Instructions::opcode_83(){
add_rm32_imm(IMM8); add_rm32_imm(IMM8);
break; break;
case 1: case 1:
// TODO: or_rm32_imm8(); or_rm32_imm(IMM8);
break; break;
case 2: case 2:
// TODO: adc_rm32_imm8(); // TODO: adc_rm32_imm8();
@@ -1496,6 +1496,24 @@ void Instructions::add_rm32_imm(int imm_flag){
this->eip++; this->eip++;
} }
void Instructions::or_rm32_imm(int imm_flag){
//printf("or_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");