diff --git a/include/instructions.h b/include/instructions.h index 4145748..2ce183e 100644 --- a/include/instructions.h +++ b/include/instructions.h @@ -41,6 +41,7 @@ public: void sub_eax_imm32(); // 0x2d void xor_rm32_r32(); // 0x31 void xor_r32_rm32(); // 0x33 + void xor_eax_imm32(); // 0x35 void inc_eax(); // 0x40 void inc_ecx(); // 0x41 void inc_edx(); // 0x42 diff --git a/instructions.cpp b/instructions.cpp index 4967084..9855719 100644 --- a/instructions.cpp +++ b/instructions.cpp @@ -34,6 +34,7 @@ void Instructions::init_instructions(){ this->instructions[0x2d] = &Instructions::sub_eax_imm32; this->instructions[0x31] = &Instructions::xor_rm32_r32; this->instructions[0x33] = &Instructions::xor_r32_rm32; + this->instructions[0x35] = &Instructions::xor_eax_imm32; this->instructions[0x40] = &Instructions::inc_eax; this->instructions[0x41] = &Instructions::inc_ecx; this->instructions[0x42] = &Instructions::inc_edx; @@ -632,6 +633,13 @@ void Instructions::xor_r32_rm32(){ } } +void Instructions::xor_eax_imm32(){ + this->eip++; + uint32_t imm32 = memory.read_uint32(this->eip); + imm32 = swap_endian32(imm32); + this->registers[0] ^= imm32; +} + void Instructions::inc_eax(){ //printf("inc_eax called.\n"); this->registers[0]++;