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Displaying CPU registers

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This commit is contained in:
Anonymus Raccoon
2020-02-16 22:19:13 +01:00
parent 38b65b595c
commit 80d9832fbd
6 changed files with 210 additions and 4 deletions
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sources/Debugger/DebugCpu.cpp
+42
View File
@@ -3,6 +3,7 @@
//
#include "DebugCpu.hpp"
#include "../Utility/Utility.hpp"
using namespace ComSquare::CPU;
@@ -18,6 +19,7 @@ namespace ComSquare::Debugger
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()
@@ -41,6 +43,7 @@ namespace ComSquare::Debugger
this->_isPaused = true;
}
this->_ui.logger->append(CPUDebug::_getInstructionString(opcode).c_str());
this->_updateRegistersPanel();
return CPU::_executeInstruction(opcode);
}
@@ -59,6 +62,45 @@ namespace ComSquare::Debugger
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) {
sources/Debugger/DebugCpu.hpp
+4
View File
@@ -28,6 +28,10 @@ namespace ComSquare::Debugger
unsigned _executeInstruction(uint8_t opcode) override;
//! @brief Get a printable string representing an instruction.
static std::string _getInstructionString(uint8_t opcode);
//! @brief Get a printable string representing the flags.
std::string _getFlagsString();
//! @brief Update the register's panel (accumulator, stack pointer...)
void _updateRegistersPanel();
public slots:
//! @brief Pause/Resume the CPU.
void pause();