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 mov_eax_imm32(0xb8) instruction

Browse Source
This commit is contained in:
tuz358
2018-03-05 11:53:04 +09:00
parent 23831ad03b
commit 4b05a55542
2 changed files with 11 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
include/instructions.h
View File

@@ -34,6 +34,7 @@ public:
void opcode_83(); // 0x83 void opcode_83(); // 0x83
void mov_rm32_r32(); // 0x89 void mov_rm32_r32(); // 0x89
void nop(); // 0x90 void nop(); // 0x90
void mov_eax_imm32(); // 0xb8
void mov_ecx_imm32(); // 0xb9 void mov_ecx_imm32(); // 0xb9
void mov_ebx_imm32(); // 0xbb void mov_ebx_imm32(); // 0xbb
void jmp_imm8(); // 0xeb void jmp_imm8(); // 0xeb

10
instructions.cpp
View File

@@ -27,6 +27,7 @@ void Instructions::init_instructions(){
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;
this->instructions[0x90] = &Instructions::nop; this->instructions[0x90] = &Instructions::nop;
this->instructions[0xb8] = &Instructions::mov_eax_imm32;
this->instructions[0xb9] = &Instructions::mov_ecx_imm32; this->instructions[0xb9] = &Instructions::mov_ecx_imm32;
this->instructions[0xbb] = &Instructions::mov_ebx_imm32; this->instructions[0xbb] = &Instructions::mov_ebx_imm32;
this->instructions[0xeb] = &Instructions::jmp_imm8; this->instructions[0xeb] = &Instructions::jmp_imm8;
@@ -228,6 +229,15 @@ void Instructions::nop(){
printf("nop called.\n"); printf("nop called.\n");
} }
void Instructions::mov_eax_imm32(){
printf("mov_eax_imm32 called.\n");
this->eip++;
uint32_t imm32 = memory.read_uint32(this->eip);
this->registers[0] = imm32;
this->eip += 3;
}
void Instructions::mov_ecx_imm32(){ void Instructions::mov_ecx_imm32(){
printf("mov_ecx_imm32 called.\n"); printf("mov_ecx_imm32 called.\n");