void Run()
{
_ram = new RAM64K();
_cpu = new MOS6502(_ram);
_updateThread = new Thread(Updater);
_updateThread.Start();
Console.Clear();
Console.CursorVisible = false;
Console.WriteLine("6502 Test Suite");
Console.WriteLine("---------------\n");
/*
* _ram.Write(0x1000, 0x58); //CLI
* _ram.Write(0x1001, 0xF8); //SED
* _ram.Write(0x1002, 0x18); //CLC
* _ram.Write(0x1003, 0xA9); //LDA
* _ram.Write(0x1004, 0x99); // #$99
* _ram.Write(0x1005, 0x69); //ADC
* _ram.Write(0x1006, 0x01); // #$01
*
* _ram.Write16(0xFFFC, 0x1000); //RESET
* _cpu.Reset();
*
* //Display = true;
* while (_cpu.PC != 0x1007)
* {
* _cpu.Process();
* Console.WriteLine(_cpu.Opcode.ToString("X2"));
* }
* UpdateDisplay();
* //Display = false;
*/
if (!TestQuick())
{
goto END;
}
if (!TestFull())
{
goto END;
}
if (!TestDecimalQuick())
{
goto END;
}
if (!TestDecimalFull())
{
goto END;
}
END:
_updateThread.Abort();
Console.WriteLine("\nPress any key to exit...");
Console.CursorVisible = true;
Console.ReadKey();
}
public VIC2(Texture2D screenTexture, RAM64K ram)
{
_screenTexture = screenTexture;
_ram = ram;
_pixels = new Color[320 * 200];
for (int i = 0; i < 320 * 200; ++i)
{
_pixels[i] = _palette[0];
}
UpdateTexture();
}
public SID(RAM64K ram)
{
_ram = ram;
for (int i = 0; i < 3; ++i)
{
_channels.Add(new SIDChannel());
}
_channels[0].syncTarget = _channels[1];
_channels[1].syncTarget = _channels[2];
_channels[2].syncTarget = _channels[0];
_channels[0].syncSource = _channels[2];
_channels[1].syncSource = _channels[0];
_channels[2].syncSource = _channels[1];
_cyclesPerSample = (63f * 312f * 50f) / AudioSettings.outputSampleRate;
_cutoffRatio = -2f * Mathf.PI * (18000f / 256f) / AudioSettings.outputSampleRate; // 6581 filter
}
void Awake()
{
_screenTexture = new Texture2D(320, 200, TextureFormat.RGB24, false);
_ram = new RAM64K();
_ram.ioRead += HandleIORead;
_ram.ioWrite += HandleIOWrite;
_processor = new MOS6502(_ram);
_processor.kernalTrap += HandleKernalTrap;
_vic2 = new VIC2(_screenTexture, _ram);
_sid = new SID(_ram);
_screenTexture.wrapMode = TextureWrapMode.Clamp;
screenRect.sprite = Sprite.Create(_screenTexture, new Rect(0, 0, _screenTexture.width, _screenTexture.height), new Vector2(0.5f, 0.5f));
screenRect.material.SetTexture("_MainTex", _screenTexture);
screenRect.transform.localScale = new Vector2(1f, -1f);
InitMemory();
BootGame();
}
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);
* }
*/
}
}
