bool TestQuick() { Console.Write("Running general quick tests... "); using (FileStream file = new FileStream("quick.bin", FileMode.Open, FileAccess.Read)) _ram.Load(file, 0x4000); // Set reset vector to the start of the code _ram.Write16(0xFFFC, 0x4000); // Set IRQ vector to test BRK _ram.Write16(0xFFFE, 0x45A4); // IRQ _cpu.Reset(); Display = true; while (_cpu.PC != 0x45CA) { _cpu.Process(); } Display = false; byte result = _ram.Read(0x0210); //Console.SetCursorPosition(x, y); if (result == 0xFF) { Console.ForegroundColor = ConsoleColor.Green; Console.WriteLine("OK!"); Console.ResetColor(); return(true); } Console.ForegroundColor = ConsoleColor.Red; Console.WriteLine("FAIL: " + result.ToString("X2")); Console.ResetColor(); return(false); }
void Run() { _ram = new RAM64K(); _cpu = new MOS6502(_ram); Console.Title = "6502"; Console.BackgroundColor = (ConsoleColor)6; Console.ForegroundColor = (ConsoleColor)14; Console.SetWindowSize(40, 26); Console.SetBufferSize(40, 26); Console.CursorSize = 100; //TestB(); //return; //_ram.Write(0x0000, 0x2F); //_ram.Write(0x0001, 0x37); //_ram.Write(0xD018, 21); using (FileStream file = new FileStream("BASIC.ROM", FileMode.Open, FileAccess.Read)) _ram.Load(file, 0xA000, 8192); using (FileStream file = new FileStream("CHAR.ROM", FileMode.Open, FileAccess.Read)) _ram.Load(file, 0xD000, 4096); using (FileStream file = new FileStream("KERNAL.ROM", FileMode.Open, FileAccess.Read)) _ram.Load(file, 0xE000, 8192); byte[] screenbuffer = new byte[1000]; byte raster = 0; while (true) { _cpu.Process(); //Console.WriteLine(cpu.PC.ToString("X4")); _ram.Write(0xD012, raster); raster++;// if (raster == 312) raster = 0; //Console.Clear(); if (_cpu.Cycles % 10000 == 0) { if (Console.KeyAvailable) { ConsoleKeyInfo key = Console.ReadKey(true); _ram.Write16(0xDC00, (ushort)key.Key); } else { _ram.Write16(0xDC00, 0x0); } //Console.Title = _cpu.PC.ToString("X4"); Console.Title = _ram.Read16(0xDC00).ToString(); // Address where the C64 character screen buffer is located ushort screenAddress = (ushort)(_ram[0x0288] << 8); for (ushort i = 0; i < 1000; i++) { byte data = _ram.Read((ushort)(i + screenAddress)); if (data < 0x20) { data += 0x40; } //data &= 0x7F; // Reverse if (data != screenbuffer[i]) { Console.CursorVisible = false; if ((data & 0x80) != 0) { Console.BackgroundColor = (ConsoleColor)14; Console.ForegroundColor = (ConsoleColor)6; } Console.SetCursorPosition(i % 40, i / 40); Console.Write((char)(data)); if ((data & 0x80) != 0) { Console.BackgroundColor = (ConsoleColor)6; Console.ForegroundColor = (ConsoleColor)14; } } screenbuffer[i] = data; } if (_ram[0x00CC] == 0) // Draw cursor when visible { int x = _ram[0x00CA]; int y = _ram[0x00C9]; if (Console.CursorLeft != x || Console.CursorTop != y) { Console.SetCursorPosition(x, y); } if (!Console.CursorVisible) { Console.CursorVisible = true; } } } //System.Threading.Thread.Sleep(50); /* * cpu.Op(); * Console.WriteLine("test00: " + ram.Read(0x022A).ToString("X2")); * Console.WriteLine("test01: " + ram.Read(0xA9).ToString("X2")); * Console.WriteLine("test02: " + ram.Read(0x71).ToString("X2")); * System.Threading.Thread.Sleep(50); * if (cpu.PC == 0x45C0) * { * * Console.WriteLine("FINAL: " + ram.Read(0x0210).ToString("X2")); * System.Threading.Thread.Sleep(50); * } */ } }