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Preparing the creation of a Ram Viewer
This commit is contained in:
Anonymus Raccoon
221
sources/Debugger/CPUDebug.cpp
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221
sources/Debugger/CPUDebug.cpp
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//
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// Created by anonymus-raccoon on 2/14/20.
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//
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#include "CPUDebug.hpp"
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#include "../Utility/Utility.hpp"
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using namespace ComSquare::CPU;
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namespace ComSquare::Debugger
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{
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CPUDebug::CPUDebug(CPU &basicCPU, SNES &snes)
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: CPU(basicCPU), QMainWindow(), _ui(), _snes(snes)
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{
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this->setContextMenuPolicy(Qt::NoContextMenu);
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this->setAttribute(Qt::WA_QuitOnClose, false);
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this->_ui.setupUi(this);
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QMainWindow::connect(this->_ui.actionPause, &QAction::triggered, this, &CPUDebug::pause);
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QMainWindow::connect(this->_ui.actionStep, &QAction::triggered, this, &CPUDebug::step);
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this->show();
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this->_updateRegistersPanel();
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}
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unsigned CPUDebug::update()
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{
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if (!this->isVisible()) {
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this->_snes.disableCPUDebugging();
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return 0;
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}
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if (this->_isPaused)
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return 0xFF;
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return CPU::update();
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}
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unsigned CPUDebug::_executeInstruction(uint8_t opcode)
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{
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if (this->_isPaused)
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return 0;
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if (this->_isStepping) {
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this->_isStepping = false;
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this->_isPaused = true;
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}
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this->_ui.logger->append(CPUDebug::_getInstructionString(opcode).c_str());
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this->_updateRegistersPanel();
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return CPU::_executeInstruction(opcode);
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}
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void CPUDebug::pause()
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{
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this->_isPaused = !this->_isPaused;
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if (this->_isPaused)
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this->_ui.actionPause->setText("Resume");
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else
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this->_ui.actionPause->setText("Pause");
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}
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void CPUDebug::step()
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{
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this->_isStepping = true;
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this->_isPaused = false;
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}
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void CPUDebug::_updateRegistersPanel()
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{
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if (!this->_registers.p.m)
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this->_ui.accumulatorLineEdit->setText(Utility::to_hex(this->_registers.a).c_str());
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else
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this->_ui.accumulatorLineEdit->setText(Utility::to_hex(this->_registers.al).c_str());
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this->_ui.programBankRegisterLineEdit->setText(Utility::to_hex(this->_registers.pbr).c_str());
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this->_ui.programCounterLineEdit->setText(Utility::to_hex(this->_registers.pc).c_str());
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this->_ui.directBankLineEdit->setText(Utility::to_hex(this->_registers.dbr).c_str());
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this->_ui.directPageLineEdit->setText(Utility::to_hex(this->_registers.d).c_str());
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this->_ui.stackPointerLineEdit->setText(Utility::to_hex(this->_registers.s).c_str());
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if (this->_registers.p.x_b) {
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this->_ui.xIndexLineEdit->setText(Utility::to_hex(this->_registers.x).c_str());
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this->_ui.yIndexLineEdit->setText(Utility::to_hex(this->_registers.y).c_str());
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} else {
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this->_ui.xIndexLineEdit->setText(Utility::to_hex(this->_registers.xl).c_str());
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this->_ui.yIndexLineEdit->setText(Utility::to_hex(this->_registers.yl).c_str());
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}
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this->_ui.flagsLineEdit->setText(this->_getFlagsString().c_str());
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this->_ui.emulationModeCheckBox->setCheckState(this->_isEmulationMode ? Qt::CheckState::Checked : Qt::CheckState::Unchecked);
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}
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std::string CPUDebug::_getFlagsString()
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{
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std::string str;
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str += this->_registers.p.n ? "n" : "-";
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str += this->_registers.p.v ? "v" : "-";
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str += this->_registers.p.m ? "m" : "-";
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if (this->_isEmulationMode)
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str += this->_registers.p.x_b ? "b" : "-";
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else
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str += this->_registers.p.x_b ? "x" : "-";
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str += this->_registers.p.d ? "d" : "-";
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str += this->_registers.p.i ? "i" : "-";
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str += this->_registers.p.z ? "z" : "-";
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str += this->_registers.p.c ? "c" : "-";
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return str;
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}
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std::string CPUDebug::_getInstructionString(uint8_t opcode)
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{
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switch (opcode) {
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case Instructions::BRK: return "BRK";
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case Instructions::RTI: return "RTI";
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case Instructions::ADC_IM: return "ADC";
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case Instructions::ADC_ABS: return "ADC";
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case Instructions::ADC_ABSl: return "ADC";
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case Instructions::ADC_DP: return "ADC";
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case Instructions::ADC_DPi: return "ADC";
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case Instructions::ADC_DPil: return "ADC";
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case Instructions::ADC_ABSX: return "ADC";
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case Instructions::ADC_ABSXl:return "ADC";
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case Instructions::ADC_ABSY: return "ADC";
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case Instructions::ADC_DPX: return "ADC";
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case Instructions::ADC_DPXi: return "ADC";
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case Instructions::ADC_DPYi: return "ADC";
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case Instructions::ADC_DPYil:return "ADC";
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case Instructions::ADC_SR: return "ADC";
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case Instructions::ADC_SRYi: return "ADC";
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case Instructions::STA_ABS: return "STA";
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case Instructions::STA_ABSl: return "STA";
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case Instructions::STA_DP: return "STA";
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case Instructions::STA_DPi: return "STA";
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case Instructions::STA_DPil: return "STA";
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case Instructions::STA_ABSX: return "STA";
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case Instructions::STA_ABSXl:return "STA";
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case Instructions::STA_ABSY: return "STA";
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case Instructions::STA_DPX: return "STA";
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case Instructions::STA_DPXi: return "STA";
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case Instructions::STA_DPYi: return "STA";
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case Instructions::STA_DPYil:return "STA";
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case Instructions::STA_SR: return "STA";
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case Instructions::STA_SRYi: return "STA";
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case Instructions::STX_ABS: return "STX";
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case Instructions::STX_DP: return "STX";
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case Instructions::STX_DPY: return "STX";
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case Instructions::STY_ABS: return "STX";
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case Instructions::STY_DP: return "STX";
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case Instructions::STY_DPX: return "STX";
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case Instructions::STZ_ABS: return "STX";
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case Instructions::STZ_DP: return "STX";
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case Instructions::STZ_ABSX: return "STX";
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case Instructions::STZ_DPX: return "STX";
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case Instructions::LDA_IM: return "LDA";
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case Instructions::LDA_ABS: return "LDA";
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case Instructions::LDA_ABSl: return "LDA";
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case Instructions::LDA_DP: return "LDA";
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case Instructions::LDA_DPi: return "LDA";
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case Instructions::LDA_DPil: return "LDA";
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case Instructions::LDA_ABSX: return "LDA";
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case Instructions::LDA_ABSXl:return "LDA";
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case Instructions::LDA_ABSY: return "LDA";
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case Instructions::LDA_DPX: return "LDA";
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case Instructions::LDA_DPXi: return "LDA";
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case Instructions::LDA_DPYi: return "LDA";
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case Instructions::LDA_DPYil:return "LDA";
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case Instructions::LDA_SR: return "LDA";
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case Instructions::LDA_SRYi: return "LDA";
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case Instructions::LDX_IM: return "LDX";
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case Instructions::LDX_ABS: return "LDX";
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case Instructions::LDX_DP: return "LDX";
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case Instructions::LDX_ABSY: return "LDX";
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case Instructions::LDX_DPY: return "LDX";
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case Instructions::LDY_IM: return "LDY";
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case Instructions::LDY_ABS: return "LDY";
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case Instructions::LDY_DP: return "LDY";
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case Instructions::LDY_ABSY: return "LDY";
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case Instructions::LDY_DPY: return "LDY";
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case Instructions::SEP: return "SEP";
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case Instructions::REP: return "REP";
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case Instructions::PHA: return "PHA";
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case Instructions::PHB: return "PHB";
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case Instructions::PHD: return "PHD";
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case Instructions::PHK: return "PHK";
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case Instructions::PHP: return "PHP";
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case Instructions::PHX: return "PHX";
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case Instructions::PHY: return "PHY";
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case Instructions::PLA: return "PLA";
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case Instructions::PLB: return "PLB";
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case Instructions::PLD: return "PLD";
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case Instructions::PLP: return "PLP";
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case Instructions::PLX: return "PLX";
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case Instructions::PLY: return "PLY";
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case Instructions::JSR_ABS: return "JSR";
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case Instructions::JSR_ABSXi: return "JSR";
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case Instructions::JSL: return "JSR";
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case Instructions::CLC: return "CLC";
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case Instructions::CLI: return "CLI";
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case Instructions::CLD: return "CLD";
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case Instructions::CLV: return "CLV";
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default: return "Unknown";
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}
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}
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void CPUDebug::RESB()
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{
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CPU::RESB();
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this->_updateRegistersPanel();
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}
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}
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