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Add je_imm8(0x74) instruction

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tuz358
2018-03-14 08:32:04 +09:00
parent 7d0bda78ce
commit 2bd7b72618
2 changed files with 15 additions and 1 deletions
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1
include/instructions.h
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@@ -85,6 +85,7 @@ public:
void pop_edi(); // 0x5f void pop_edi(); // 0x5f
void push_imm32(); // 0x68 void push_imm32(); // 0x68
void push_imm8(); // 0x6a void push_imm8(); // 0x6a
void je_imm8(); // 0x74
void jne_imm8(); // 0x75 void jne_imm8(); // 0x75
void opcode_83(); // 0x83 void opcode_83(); // 0x83
void mov_rm32_r32(); // 0x89 void mov_rm32_r32(); // 0x89

13
instructions.cpp
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@@ -78,6 +78,7 @@ void Instructions::init_instructions(){
this->instructions[0x5f] = &Instructions::pop_edi; this->instructions[0x5f] = &Instructions::pop_edi;
this->instructions[0x68] = &Instructions::push_imm32; this->instructions[0x68] = &Instructions::push_imm32;
this->instructions[0x6a] = &Instructions::push_imm8; this->instructions[0x6a] = &Instructions::push_imm8;
this->instructions[0x74] = &Instructions::je_imm8;
this->instructions[0x75] = &Instructions::jne_imm8; this->instructions[0x75] = &Instructions::jne_imm8;
this->instructions[0x83] = &Instructions::opcode_83; this->instructions[0x83] = &Instructions::opcode_83;
this->instructions[0x89] = &Instructions::mov_rm32_r32; this->instructions[0x89] = &Instructions::mov_rm32_r32;
@@ -1132,6 +1133,18 @@ void Instructions::push_imm8(){
this->eip++; this->eip++;
} }
void Instructions::je_imm8(){
//printf("je_imm8 called.\n");
int8_t imm8 = memory.read_int8(this->eip);
int zero_flag = this->get_flag(ZF);
if (zero_flag){
this->eip += imm8;
}
this->eip++;
}
void Instructions::jne_imm8(){ void Instructions::jne_imm8(){
//printf("jne_imm8 called.\n"); //printf("jne_imm8 called.\n");