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_e**(0x50~0x57) instruction

Browse Source
This commit is contained in:
tuz358
2018-03-06 09:07:51 +09:00
parent de00d14cc4
commit 024cdf78b3
3 changed files with 69 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

56
instructions.cpp
View File

@@ -38,6 +38,14 @@ void Instructions::init_instructions(){
this->instructions[0x4d] = &Instructions::dec_ebp;
this->instructions[0x4e] = &Instructions::dec_esi;
this->instructions[0x4f] = &Instructions::dec_edi;
this->instructions[0x50] = &Instructions::push_eax;
this->instructions[0x51] = &Instructions::push_ecx;
this->instructions[0x52] = &Instructions::push_edx;
this->instructions[0x53] = &Instructions::push_ebx;
this->instructions[0x54] = &Instructions::push_esp;
this->instructions[0x55] = &Instructions::push_ebp;
this->instructions[0x56] = &Instructions::push_esi;
this->instructions[0x57] = &Instructions::push_edi;
this->instructions[0x75] = &Instructions::jne_imm8;
this->instructions[0x83] = &Instructions::opcode_83;
this->instructions[0x89] = &Instructions::mov_rm32_r32;
@@ -248,6 +256,54 @@ void Instructions::dec_esi(){
this->registers[6]--;
}
void Instructions::push_eax(){
//printf("push_eax called.\n");
this->registers[4] -= 4;
memory.write_uint32(this->registers[4], this->registers[0]);
}
void Instructions::push_ecx(){
//printf("push_ecx called.\n");
this->registers[4] -= 4;
memory.write_uint32(this->registers[4], this->registers[1]);
}
void Instructions::push_edx(){
//printf("push_edx called.\n");
this->registers[4] -= 4;
memory.write_uint32(this->registers[4], this->registers[2]);
}
void Instructions::push_ebx(){
//printf("push_ebx called.\n");
this->registers[4] -= 4;
memory.write_uint32(this->registers[4], this->registers[3]);
}
void Instructions::push_esp(){
//printf("push_esp called.\n");
this->registers[4] -= 4;
memory.write_uint32(this->registers[4], this->registers[4]);
}
void Instructions::push_ebp(){
//printf("push_ebp called.\n");
this->registers[4] -= 4;
memory.write_uint32(this->registers[4], this->registers[5]);
}
void Instructions::push_esi(){
//printf("push_esi called.\n");
this->registers[4] -= 4;
memory.write_uint32(this->registers[4], this->registers[6]);
}
void Instructions::push_edi(){
//printf("push_edi called.\n");
this->registers[4] -= 4;
memory.write_uint32(this->registers[4], this->registers[7]);
}
void Instructions::dec_edi(){
//printf("dec_edi called.\n");
this->registers[7]--;