public PpuDebug(Ppu ppu)
{
InitializeComponent();
this.ppu = ppu;
this.DoubleBuffered = true;
//this.ClientSize = new Size(16 * 8, 32 * 8);
}
public Nes(string romfile)
{
ActiveNes = this;
Rom = new Rom(romfile);
Mem = new NesMemory(this);
Cpu = new Chip6502(Mem);
Ppu = new Ppu(this);
switch (Rom.MapperNumber)
{
case 0:
Mapper = new NROM(this);
break;
case 1:
Mapper = new MMC1(this);
break;
case 2:
Mapper = new UxROM(this);
break;
default:
// TODO: Cleaner...
throw new Exception("Unknown mapper");
}
Reset();
}
public Nes(string romfile)
{
ActiveNes=this;
Rom = new Rom(romfile);
Mem = new NesMemory(this);
Cpu = new Chip6502(Mem);
Ppu = new Ppu(this);
switch (Rom.MapperNumber)
{
case 0:
Mapper = new NROM(this);
break;
case 1:
Mapper = new MMC1(this);
break;
case 2:
Mapper = new UxROM(this);
break;
default:
// TODO: Cleaner...
throw new Exception("Unknown mapper");
}
Reset();
}
public PpuOutput(Nes nes)
{
InitializeComponent();
//this.DoubleBuffered = true;
this.ClientSize = new Size(Ppu.ScreenWidth * 3, Ppu.ScreenHeight * 3);
this.ppu = nes.Ppu;
this.nes = nes;
PresentationParameters pp = new PresentationParameters();
pp.AutoDepthStencilFormat = DepthFormat.Depth16;
pp.BackBufferCount = 1;
pp.BackBufferFormat = SurfaceFormat.Bgr32;
pp.BackBufferWidth = Ppu.ScreenWidth;
pp.BackBufferHeight = Ppu.ScreenHeight;
pp.DeviceWindowHandle = this.Handle;
pp.EnableAutoDepthStencil = true;
pp.IsFullScreen = false;
pp.MultiSampleType = MultiSampleType.None;
pp.PresentationInterval = PresentInterval.Default; // TODO
pp.RenderTargetUsage = RenderTargetUsage.PreserveContents;
pp.SwapEffect = SwapEffect.Discard;
pp.PresentationInterval = PresentInterval.One;
device = new GraphicsDevice(GraphicsAdapter.DefaultAdapter,
DeviceType.Hardware,
this.Handle,
pp);
tex = new Texture2D(device, Ppu.ScreenWidth, Ppu.ScreenHeight,
1, TextureUsage.None, SurfaceFormat.Bgr32);
sb = new SpriteBatch(device);
}
public PpuDebug(Ppu ppu)
{
InitializeComponent();
this.ppu = ppu;
this.DoubleBuffered = true;
//this.ClientSize = new Size(16 * 8, 32 * 8);
}
private Bitmap GetPattern(int addr)
{
Bitmap bmp = new Bitmap(8, 8);
for (int y = 0; y < 8; ++y)
{
for (int x = 0; x < 8; ++x)
{
int addr1 = addr + y;
int addr2 = addr + y + 8;
// Note: patternhigh should be same for both here
byte b1 = ppu.PatternTables[Ppu.PatternHigh(addr1)][Ppu.PatternLow(addr1)];
byte b2 = ppu.PatternTables[Ppu.PatternHigh(addr2)][Ppu.PatternLow(addr2)];
byte bit1 = (byte)((b1 >> (7 - x)) & 0x1);
byte bit2 = (byte)((b2 >> (7 - x)) & 0x1);
byte result = (byte)(bit2 << 1 | bit1);
int color;
if (result == 3)
{
color = 0xFF << 24 | 0xFF0000;
}
else if (result == 2)
{
color = 0xFF << 24 | 0x00FF00;
}
else if (result == 1)
{
color = 0xFF << 24 | 0x0000FF;
}
else
{
color = 0;
}
if (result == 0)
{
bmp.SetPixel(x, y, Color.FromArgb(0, 0, 0, 0));
}
else
{
bmp.SetPixel(x, y, Color.FromArgb(color));
}
/*if (result == 0)
* bmp.SetPixel(x, y, Color.FromArgb(0, 0, 0, 0));
* else
* {
* int paletteEntry = ppu.Read(paletteAddr + result) % 64; // todo: bits
* bmp.SetPixel(x, y, Color.FromArgb(0xFF << 24 | Palette[paletteEntry]));
* }*/
}
}
return(bmp);
}
public void Reset()
{
sw.Reset();
sw.Start();
//cpuCycles = 0;// ppuCycles = 0;
cpuDivider = 0;
TotalPpuCycles = 0;
TotalCpuCycles = 0;
frameCount = 0;
Mem.Reset();
Ppu.Reset();
Mapper.Reset();
Cpu.RAM = Mem.RAM;
Cpu.Reset();
sw.Start();
}
private Bitmap GetPattern(int addr, int paletteAddr)
{
Bitmap bmp = new Bitmap(8, 8);
for (int y = 0; y < 8; ++y)
{
for (int x = 0; x < 8; ++x)
{
int addr1 = addr + y;
int addr2 = addr + y + 8;
byte b1 = ppu.PatternTables[Ppu.PatternHigh(addr1)][Ppu.PatternLow(addr1)];
byte b2 = ppu.PatternTables[Ppu.PatternHigh(addr2)][Ppu.PatternLow(addr2)];
byte bit1 = (byte)((b1 >> (7 - x)) & 0x1);
byte bit2 = (byte)((b2 >> (7 - x)) & 0x1);
byte result = (byte)(bit2 << 1 | bit1);
/*byte intensity;
* if (result == 3)
* intensity = 255;
* else if (result == 2)
* intensity = 160;
* else if (result == 1)
* intensity = 80;
* else
* intensity = 0;
*
* if (result == 0)
* bmp.SetPixel(x, y, Color.FromArgb(0,0,0,0));
* else
* bmp.SetPixel(x, y, Color.FromArgb(intensity, intensity, intensity));*/
if (result == 0)
{
bmp.SetPixel(x, y, System.Drawing.Color.FromArgb(0, 0, 0, 0));
}
else
{
int paletteEntry = ppu.Read(paletteAddr + result) % 64; // todo: bits
bmp.SetPixel(x, y, System.Drawing.Color.FromArgb(0xFF << 24 | Palette[paletteEntry]));
}
}
}
return(bmp);
}
public int RunOneFrame()
{
/*if (Cpu.Paused)
* return ppuCyclesToRun;*/
while (true)
{
if (Cpu.WaitCycles <= Ppu.WaitCycles)
{
Cpu.Run(Ppu.WaitCycles);
}
else
{
Cpu.WaitCycles -= Ppu.WaitCycles;
}
Ppu.FrameCycle += Ppu.WaitCycles;
Ppu.WaitCycles = 0;
Ppu.Tick();
if (Ppu.VsyncSignalToMainLoop)
{
Ppu.VsyncSignalToMainLoop = false;
++frameCount;
if (frameCount == 10)
{
float secs = sw.ElapsedTicks / (float)Stopwatch.Frequency;
FPS = frameCount / secs;
sw.Reset();
sw.Start();
frameCount = 0;
}
//render = true;
return(0);
}
#if false
//Console.WriteLine("ToRun: {0} CPU: {1} PPU: {2}", ppuCyclesToRun, Cpu.WaitCycles, Ppu.WaitCycles);
//int min = ppuCyclesToRun < Ppu.WaitCycles ? ppuCyclesToRun : Ppu.WaitCycles;
int min = Ppu.WaitCycles < Cpu.WaitCycles ? Ppu.WaitCycles : Cpu.WaitCycles;
//Console.WriteLine("Min={0}", min);
//TotalCpuCycles += min;
//TotalPpuCycles += min;
Cpu.WaitCycles -= min;
Ppu.WaitCycles -= min;
//ppuCyclesToRun -= min;
if (Cpu.WaitCycles == 0)
{
Cpu.Tick();
}
/*if (Ppu.WaitCycles < 0)
* throw new InvalidOperationException("F**K");*/
Ppu.FrameCycle += min;
if (Ppu.WaitCycles == 0)
{
Ppu.Tick();
if (Ppu.VsyncSignalToMainLoop)
{
Ppu.VsyncSignalToMainLoop = false;
++frameCount;
if (frameCount == 10)
{
float secs = sw.ElapsedTicks / (float)Stopwatch.Frequency;
FPS = frameCount / secs;
sw.Reset();
sw.Start();
frameCount = 0;
}
//render = true;
return(0);
}
}
#endif
}
//return ppuCyclesToRun;
}
public PpuOutput(Nes nes)
{
InitializeComponent();
//this.DoubleBuffered = true;
this.ClientSize = new Size(Ppu.ScreenWidth*3, Ppu.ScreenHeight*3);
this.ppu = nes.Ppu;
this.nes = nes;
PresentationParameters pp = new PresentationParameters();
pp.AutoDepthStencilFormat = DepthFormat.Depth16;
pp.BackBufferCount = 1;
pp.BackBufferFormat = SurfaceFormat.Bgr32;
pp.BackBufferWidth = Ppu.ScreenWidth;
pp.BackBufferHeight = Ppu.ScreenHeight;
pp.DeviceWindowHandle = this.Handle;
pp.EnableAutoDepthStencil = true;
pp.IsFullScreen = false;
pp.MultiSampleType = MultiSampleType.None;
pp.PresentationInterval = PresentInterval.Default; // TODO
pp.RenderTargetUsage = RenderTargetUsage.PreserveContents;
pp.SwapEffect = SwapEffect.Discard;
pp.PresentationInterval = PresentInterval.One;
device = new GraphicsDevice(GraphicsAdapter.DefaultAdapter,
DeviceType.Hardware,
this.Handle,
pp);
tex = new Texture2D(device, Ppu.ScreenWidth, Ppu.ScreenHeight,
1, TextureUsage.None, SurfaceFormat.Bgr32);
sb = new SpriteBatch(device);
}
