Fixing DMA runs

sources/Debugger/CPU/CPUDebug.cpp

@@ -87,10 +87,10 @@ namespace ComSquare::Debugger::CPU
 	unsigned CPUDebug::update()
 	{
 		try {
-			unsigned cycles = this->_cpu.runDMA(INT_MAX);
+			unsigned cycles = 0;
 
-			if (this->_isPaused)
-				return 0xFF;
+			if (this->_isPaused || this->_cpu._isStopped)
+				return 0;
 
 			for (int i = 0; i < 0xFF; i++) {
 				auto breakpoint = std::find_if(this->breakpoints.begin(), this->breakpoints.end(), [this](auto &brk) {
@@ -104,6 +104,7 @@ namespace ComSquare::Debugger::CPU
 				}
 				this->_logInstruction();
 				cycles += this->_cpu.executeInstruction();
+				cycles += this->_cpu.runDMA(INT_MAX);
 				this->_updateRegistersPanel();
 				if (this->_isStepping) {
 					this->_isStepping = false;
@@ -115,12 +116,12 @@ namespace ComSquare::Debugger::CPU
 		} catch (const DebuggableError &e) {
 			this->pause(true);
 			CPUDebug::showError(e);
-			return 0xFF;
+			return 0;
 		} catch (const std::exception &e) {
 			std::cerr << "An error occurred: " << e.what() << std::endl;
 			QApplication::quit();
 		}
-		return 0xFF;
+		return 0;
 	}
 
 	void CPUDebug::_logInstruction()

sources/Debugger/MemoryBusDebug.cpp

@@ -6,6 +6,7 @@
 #include "SNES.hpp"
 #include "Utility/Utility.hpp"
 #include "Exceptions/InvalidAction.hpp"
+#include <QScrollBar>
 
 namespace ComSquare::Debugger
 {
@@ -27,6 +28,11 @@ namespace ComSquare::Debugger
 		for (int i = 0; i < this->_model.column; i++)
 			this->_ui.log->setColumnWidth(i, this->_ui.log->width());
 
+		QMainWindow::connect(&this->_model, &BusLogModel::rowsInserted, [this] {
+			if (this->_autoScroll)
+				this->_ui.log->scrollToBottom();
+		});
+
 		QMainWindow::connect(this->_ui.fromAPU, &QCheckBox::toggled, [this](bool checked) {
 			this->_proxy.filters[0].apu = checked;
 			this->_proxy.refresh();
@@ -108,6 +114,10 @@ namespace ComSquare::Debugger
 			this->_proxy.refresh();
 		});
 
+		QMainWindow::connect(this->_ui.autoscroll, &QPushButton::pressed, [this]() {
+			this->_autoScroll = !this->_autoScroll;
+		});
+
 		QMainWindow::connect(this->_ui.clearBtn, &QPushButton::pressed, [this]() {
 			this->_model.clearLogs();
 			this->_proxy.refresh();

sources/Debugger/MemoryBusDebug.hpp

@@ -118,6 +118,8 @@ namespace ComSquare::Debugger
 		BusLogModel _model;
 		//! @brief A QT proxy to filter the logs.
 		BusLoggerProxy _proxy;
+		//! @brief True if the table should autoscroll. False otherwise.
+		bool _autoScroll = true;
 	public:
 		explicit MemoryBusDebug(SNES &snes, Memory::IMemoryBus &bus);
 		MemoryBusDebug(const MemoryBusDebug &) = delete;