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Feature: Add mov_rm32_r32 instruction & more expressive execution with CPU trace

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0x221E
2026-02-05 14:57:23 +01:00
parent ac6bf8cb46
commit caadd2f706
12 changed files with 120 additions and 25 deletions
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23
src/DataTransfer.cpp
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@@ -2,9 +2,32 @@
#include "ExecutorCases.h"
#include "Instruction.h"
#include "Bus.h"
#include <iostream>
namespace executor_cases {
void Mov_r32_imm32(CPUContext& cc) {
std::cout << "[Instruction] mov " << x86::Register2Str((x86::Register)cc.m_Instruction.m_Operand1) << ", " << std::hex << cc.m_Instruction.m_Operand2 << std::endl;
cc.m_Registers[cc.m_Instruction.m_Operand1] = cc.m_Instruction.m_Operand2;
}
void Mov_rm32_r32(CPUContext& cc) {
x86::ModRM modrm = cc.m_Instruction.optional.m_ModRM;
std::cout << "[Instruction] ";
switch(modrm.m_State) {
case x86::ModRMState::R:
cc.m_Registers[modrm.m_Rm] = cc.m_Registers[modrm.m_Reg];
std::cout << "mov " << x86::Register2Str((x86::Register)modrm.m_Rm) << ", " << x86::Register2Str((x86::Register)modrm.m_Rm);
break;
default:
cc.m_Bus->WriteX<uint32_t>(helpers::ResolveModRMAddress(cc), cc.m_Registers[modrm.m_Reg]);
std::cout << "mov DWORD PTR [0x" << helpers::ResolveModRMAddress(cc) << "], " << x86::Register2Str((x86::Register)modrm.m_Reg);
break;
}
std::cout << std::endl;
}
}