Merging

README.md

@@ -1,4 +1,4 @@
-<p align="center"><img src="resources/Black.svg" _width="400"></p>
+<p align="center"><img src="./resources/Black.svg" width="400"></p>
 
 <p align="center">
   <a href="./LICENSE"><img src="https://img.shields.io/github/license/AnonymusRaccoon/ComSquare?style=flat-square" alt="License"></a>

main.cpp

@@ -4,21 +4,54 @@
 
 #include <iostream>
 #include <QtWidgets/QApplication>
+#include <getopt.h>
 #include "sources/SNES.hpp"
 #include "sources/Renderer/SFRenderer.hpp"
 #include "sources/Renderer/QtRenderer/QtSFML.hpp"
 
 using namespace ComSquare;
 
+void usage(char *bin)
+{
+	std::cout << "ComSquare:" << std::endl << "\tUsage: " << bin << " rom_path" << std::endl;
+}
+
+void parseArguments(int argc, char **argv, SNES &snes)
+{
+	while (true) {
+		int this_option_optind = optind ? optind : 1;
+		int option_index = 0;
+		static struct option long_options[] = {
+			{"cpu-debug",     no_argument, 0,  'c' },
+			{0,         0,                 0,  0 }
+		};
+
+		char c = getopt_long(argc, argv, "c:pu-debug", long_options, &option_index);
+		if (c == -1)
+			break;
+		switch (c) {
+			case 0:
+				usage(argv[0]);
+				break;
+			case 'c':
+				snes.enableCPUDebugging();
+				break;
+			default:
+				break;
+		}
+	}
+}
+
 int main(int argc, char **argv)
 {
 	if (argc < 2) {
-		std::cout << "ComSquare:" << std::endl << "\tUsage: " << argv[0] << " rom_path" << std::endl;
+		usage(argv[0]);
 		return 1;
 	}
 	QApplication app(argc, argv);
 	Renderer::QtSFML renderer(600, 800);
 	SNES snes(std::make_shared<Memory::MemoryBus>(), argv[1], renderer);
 	renderer.createWindow(snes, 60);
+	parseArguments(argc, argv, snes);
 	return QApplication::exec();
 }

sources/CPU/Instructions/MathematicalOperations.cpp

@@ -12,7 +12,7 @@ namespace ComSquare::CPU
 		unsigned value = this->_bus->read(valueAddr) + this->_registers.p.c;
 		if (this->_registers.p.m)
 			value += this->_bus->read(valueAddr + 1) << 8u;
-		unsigned negativeMask = this->_isEmulationMode ? 0xF0u : 0xF000u;
+		unsigned negativeMask = this->_isEmulationMode ? 0x80u : 0x8000u;
 		unsigned maxValue = this->_isEmulationMode ? UINT8_MAX : UINT16_MAX;
 
 		this->_registers.p.c = static_cast<unsigned>(this->_registers.a) + value > maxValue;

sources/Renderer/QtRenderer/QtSFML.cpp

@@ -70,7 +70,12 @@ namespace ComSquare::Renderer
 
 	void QtFullSFML::_onUpdate()
 	{
-		this->_snes.update();
+		try {
+			this->_snes.update();
+		} catch (std::exception &e) {
+			std::cerr << "An error occurred: " << e.what() << std::endl;
+			QApplication::quit();
+		}
 	}
 
 	void QtFullSFML::enableDebugCPU()

sources/SNES.cpp

@@ -52,12 +52,8 @@ namespace ComSquare
 
 	void SNES::update()
 	{
-		try {
-			unsigned cycleCount = this->cpu->update();
-			this->ppu->update(cycleCount);
-			this->apu->update(cycleCount);
-		} catch (std::exception &e) {
-			std::cerr << "An error occurred: " << e.what() << std::endl;
-		}
+		unsigned cycleCount = this->cpu->update();
+		this->ppu->update(cycleCount);
+		this->apu->update(cycleCount);
 	}
 }