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Add sbb_eax_imm32(0x1d) instruction

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tuz358
2018-03-13 11:04:09 +09:00
parent efa07ef088
commit 7d0bda78ce
2 changed files with 9 additions and 0 deletions
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1
include/instructions.h
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@@ -39,6 +39,7 @@ public:
void adc_eax_imm32(); // 0x15 void adc_eax_imm32(); // 0x15
void sbb_rm32_r32(); // 0x19 void sbb_rm32_r32(); // 0x19
void sbb_r32_rm32(); // 0x1b void sbb_r32_rm32(); // 0x1b
void sbb_eax_imm32(); // 0x1d
void and_rm32_r32(); // 0x21 void and_rm32_r32(); // 0x21
void and_r32_rm32(); // 0x23 void and_r32_rm32(); // 0x23
void and_eax_imm32(); // 0x25 void and_eax_imm32(); // 0x25

8
instructions.cpp
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@@ -31,6 +31,7 @@ void Instructions::init_instructions(){
this->instructions[0x15] = &Instructions::adc_eax_imm32; this->instructions[0x15] = &Instructions::adc_eax_imm32;
this->instructions[0x19] = &Instructions::sbb_rm32_r32; this->instructions[0x19] = &Instructions::sbb_rm32_r32;
this->instructions[0x1b] = &Instructions::sbb_r32_rm32; this->instructions[0x1b] = &Instructions::sbb_r32_rm32;
this->instructions[0x1d] = &Instructions::sbb_eax_imm32;
this->instructions[0x21] = &Instructions::and_rm32_r32; this->instructions[0x21] = &Instructions::and_rm32_r32;
this->instructions[0x23] = &Instructions::and_r32_rm32; this->instructions[0x23] = &Instructions::and_r32_rm32;
this->instructions[0x25] = &Instructions::and_eax_imm32; this->instructions[0x25] = &Instructions::and_eax_imm32;
@@ -543,6 +544,13 @@ void Instructions::sbb_r32_rm32(){
} }
} }
void Instructions::sbb_eax_imm32(){
this->eip++;
uint32_t imm32 = memory.read_uint32(this->eip);
imm32 = swap_endian32(imm32);
this->registers[0] -= imm32 + get_flag(CF);
}
void Instructions::and_rm32_r32(){ void Instructions::and_rm32_r32(){
//printf("and_rm32_r32 called.\n"); //printf("and_rm32_r32 called.\n");
uint32_t addr, dst, imm32; uint32_t addr, dst, imm32;