Files
ComSquare/sources/Debugger/CPUDebug.cpp
2020-02-17 00:32:10 +01:00

221 lines
7.1 KiB
C++

//
// Created by anonymus-raccoon on 2/14/20.
//
#include "CPUDebug.hpp"
#include "../Utility/Utility.hpp"
using namespace ComSquare::CPU;
namespace ComSquare::Debugger
{
CPUDebug::CPUDebug(CPU &basicCPU, SNES &snes)
: CPU(basicCPU), QMainWindow(), _ui(), _snes(snes)
{
this->setContextMenuPolicy(Qt::NoContextMenu);
this->setAttribute(Qt::WA_QuitOnClose, false);
this->_ui.setupUi(this);
QMainWindow::connect(this->_ui.actionPause, &QAction::triggered, this, &CPUDebug::pause);
QMainWindow::connect(this->_ui.actionStep, &QAction::triggered, this, &CPUDebug::step);
this->show();
this->_updateRegistersPanel();
}
unsigned CPUDebug::update()
{
if (!this->isVisible()) {
this->_snes.disableCPUDebugging();
return 0;
}
if (this->_isPaused)
return 0xFF;
return CPU::update();
}
unsigned CPUDebug::_executeInstruction(uint8_t opcode)
{
if (this->_isPaused)
return 0;
if (this->_isStepping) {
this->_isStepping = false;
this->_isPaused = true;
}
this->_ui.logger->append(CPUDebug::_getInstructionString(opcode).c_str());
this->_updateRegistersPanel();
return CPU::_executeInstruction(opcode);
}
void CPUDebug::pause()
{
this->_isPaused = !this->_isPaused;
if (this->_isPaused)
this->_ui.actionPause->setText("Resume");
else
this->_ui.actionPause->setText("Pause");
}
void CPUDebug::step()
{
this->_isStepping = true;
this->_isPaused = false;
}
void CPUDebug::_updateRegistersPanel()
{
if (!this->_registers.p.m)
this->_ui.accumulatorLineEdit->setText(Utility::to_hex(this->_registers.a).c_str());
else
this->_ui.accumulatorLineEdit->setText(Utility::to_hex(this->_registers.al).c_str());
this->_ui.programBankRegisterLineEdit->setText(Utility::to_hex(this->_registers.pbr).c_str());
this->_ui.programCounterLineEdit->setText(Utility::to_hex(this->_registers.pc).c_str());
this->_ui.directBankLineEdit->setText(Utility::to_hex(this->_registers.dbr).c_str());
this->_ui.directPageLineEdit->setText(Utility::to_hex(this->_registers.d).c_str());
this->_ui.stackPointerLineEdit->setText(Utility::to_hex(this->_registers.s).c_str());
if (this->_registers.p.x_b) {
this->_ui.xIndexLineEdit->setText(Utility::to_hex(this->_registers.x).c_str());
this->_ui.yIndexLineEdit->setText(Utility::to_hex(this->_registers.y).c_str());
} else {
this->_ui.xIndexLineEdit->setText(Utility::to_hex(this->_registers.xl).c_str());
this->_ui.yIndexLineEdit->setText(Utility::to_hex(this->_registers.yl).c_str());
}
this->_ui.flagsLineEdit->setText(this->_getFlagsString().c_str());
this->_ui.emulationModeCheckBox->setCheckState(this->_isEmulationMode ? Qt::CheckState::Checked : Qt::CheckState::Unchecked);
}
std::string CPUDebug::_getFlagsString()
{
std::string str;
str += this->_registers.p.n ? "n" : "-";
str += this->_registers.p.v ? "v" : "-";
str += this->_registers.p.m ? "m" : "-";
if (this->_isEmulationMode)
str += this->_registers.p.x_b ? "b" : "-";
else
str += this->_registers.p.x_b ? "x" : "-";
str += this->_registers.p.d ? "d" : "-";
str += this->_registers.p.i ? "i" : "-";
str += this->_registers.p.z ? "z" : "-";
str += this->_registers.p.c ? "c" : "-";
return str;
}
std::string CPUDebug::_getInstructionString(uint8_t opcode)
{
switch (opcode) {
case Instructions::BRK: return "BRK";
case Instructions::RTI: return "RTI";
case Instructions::ADC_IM: return "ADC";
case Instructions::ADC_ABS: return "ADC";
case Instructions::ADC_ABSl: return "ADC";
case Instructions::ADC_DP: return "ADC";
case Instructions::ADC_DPi: return "ADC";
case Instructions::ADC_DPil: return "ADC";
case Instructions::ADC_ABSX: return "ADC";
case Instructions::ADC_ABSXl:return "ADC";
case Instructions::ADC_ABSY: return "ADC";
case Instructions::ADC_DPX: return "ADC";
case Instructions::ADC_DPXi: return "ADC";
case Instructions::ADC_DPYi: return "ADC";
case Instructions::ADC_DPYil:return "ADC";
case Instructions::ADC_SR: return "ADC";
case Instructions::ADC_SRYi: return "ADC";
case Instructions::STA_ABS: return "STA";
case Instructions::STA_ABSl: return "STA";
case Instructions::STA_DP: return "STA";
case Instructions::STA_DPi: return "STA";
case Instructions::STA_DPil: return "STA";
case Instructions::STA_ABSX: return "STA";
case Instructions::STA_ABSXl:return "STA";
case Instructions::STA_ABSY: return "STA";
case Instructions::STA_DPX: return "STA";
case Instructions::STA_DPXi: return "STA";
case Instructions::STA_DPYi: return "STA";
case Instructions::STA_DPYil:return "STA";
case Instructions::STA_SR: return "STA";
case Instructions::STA_SRYi: return "STA";
case Instructions::STX_ABS: return "STX";
case Instructions::STX_DP: return "STX";
case Instructions::STX_DPY: return "STX";
case Instructions::STY_ABS: return "STX";
case Instructions::STY_DP: return "STX";
case Instructions::STY_DPX: return "STX";
case Instructions::STZ_ABS: return "STX";
case Instructions::STZ_DP: return "STX";
case Instructions::STZ_ABSX: return "STX";
case Instructions::STZ_DPX: return "STX";
case Instructions::LDA_IM: return "LDA";
case Instructions::LDA_ABS: return "LDA";
case Instructions::LDA_ABSl: return "LDA";
case Instructions::LDA_DP: return "LDA";
case Instructions::LDA_DPi: return "LDA";
case Instructions::LDA_DPil: return "LDA";
case Instructions::LDA_ABSX: return "LDA";
case Instructions::LDA_ABSXl:return "LDA";
case Instructions::LDA_ABSY: return "LDA";
case Instructions::LDA_DPX: return "LDA";
case Instructions::LDA_DPXi: return "LDA";
case Instructions::LDA_DPYi: return "LDA";
case Instructions::LDA_DPYil:return "LDA";
case Instructions::LDA_SR: return "LDA";
case Instructions::LDA_SRYi: return "LDA";
case Instructions::LDX_IM: return "LDX";
case Instructions::LDX_ABS: return "LDX";
case Instructions::LDX_DP: return "LDX";
case Instructions::LDX_ABSY: return "LDX";
case Instructions::LDX_DPY: return "LDX";
case Instructions::LDY_IM: return "LDY";
case Instructions::LDY_ABS: return "LDY";
case Instructions::LDY_DP: return "LDY";
case Instructions::LDY_ABSY: return "LDY";
case Instructions::LDY_DPY: return "LDY";
case Instructions::SEP: return "SEP";
case Instructions::REP: return "REP";
case Instructions::PHA: return "PHA";
case Instructions::PHB: return "PHB";
case Instructions::PHD: return "PHD";
case Instructions::PHK: return "PHK";
case Instructions::PHP: return "PHP";
case Instructions::PHX: return "PHX";
case Instructions::PHY: return "PHY";
case Instructions::PLA: return "PLA";
case Instructions::PLB: return "PLB";
case Instructions::PLD: return "PLD";
case Instructions::PLP: return "PLP";
case Instructions::PLX: return "PLX";
case Instructions::PLY: return "PLY";
case Instructions::JSR_ABS: return "JSR";
case Instructions::JSR_ABSXi: return "JSR";
case Instructions::JSL: return "JSR";
case Instructions::CLC: return "CLC";
case Instructions::CLI: return "CLI";
case Instructions::CLD: return "CLD";
case Instructions::CLV: return "CLV";
default: return "Unknown";
}
}
void CPUDebug::RESB()
{
CPU::RESB();
this->_updateRegistersPanel();
}
}