Mirrors/cpu-emulator
1
0
Fork 0
mirror of https://github.com/tuz358/cpu-emulator.git synced 2025-12-18 21:14:35 +03:00
Code Issues Actions Packages Projects Releases Wiki Activity

Add push_imm8(0x6a) instruction

Browse Source
This commit is contained in:
tuz358
2018-03-06 15:15:45 +09:00
parent 0491cbd3e0
commit b2dc9aa54d
2 changed files with 11 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
instructions.cpp
View File

@@ -71,6 +71,7 @@ void Instructions::init_instructions(){
this->instructions[0x5e] = &Instructions::pop_esi;
this->instructions[0x5f] = &Instructions::pop_edi;
this->instructions[0x68] = &Instructions::push_imm32;
this->instructions[0x6a] = &Instructions::push_imm8;
this->instructions[0x75] = &Instructions::jne_imm8;
this->instructions[0x83] = &Instructions::opcode_83;
this->instructions[0x89] = &Instructions::mov_rm32_r32;
@@ -895,6 +896,15 @@ void Instructions::push_imm32(){
imm32 = swap_endian32(imm32);
this->registers[4] -= 4; // esp -= 4
memory.write_uint32(this->registers[4], imm32);
this->eip += 4;
}
void Instructions::push_imm8(){
//printf("push_imm8 called.\n");
uint8_t imm8 = memory.read_uint8(this->eip);
this->registers[4] -= 4; // esp -= 4
memory.write_uint8(this->registers[4], imm8);
this->eip++;
}
void Instructions::jne_imm8(){