public void BlitScreen()
{
//int i;
//int j;
#if FOURSCREEN
int currentNameTableAddress = myPPU.nameTableAddress;
//FIXME: This is for debugging
unsafe {
short *p = (short *)sdlBuffer;
int f, g;
//int maxlength = width*height;
int maxlength = 256 * 224;
for (f = 0; f < maxlength; f++)
{
p[(f % 256) + 780 * (f / 256)] = myPPU.offscreenBuffer[f];
}
}
myPPU.nameTableAddress = 0x2000;
myPPU.scrollH = 0;
myPPU.scrollV = 0;
for (i = 0; i < 240; i++)
{
myPPU.currentScanline = i;
//Clean up the line from before
for (j = 0; j < 256; j++)
{
//myPPU.offscreenBuffer[(myPPU.currentScanline * 256) + i] = (short)myPPU.Nes_Palette[myPPU.nameTables[0x1f00]];
//myPPU.offscreenBuffer[(myPPU.currentScanline * 256) + j] = 0;
myPPU.offscreenBuffer[(myPPU.currentScanline * 256) + j] = (short)myPPU.Nes_Palette[myPPU.nameTables[0x1f00]];
}
myPPU.RenderBackground();
}
myPPU.currentScanline = 240;
//FIXME: This is for debugging
unsafe {
short *p = (short *)sdlBuffer;
int f, g;
//int maxlength = width*height;
int maxlength = 256 * 224;
for (f = 0; f < maxlength; f++)
{
p[264 + (f % 256) + 780 * (f / 256)] = myPPU.offscreenBuffer[f];
}
}
myPPU.nameTableAddress = 0x2400;
myPPU.scrollH = 0;
myPPU.scrollV = 0;
for (i = 0; i < 240; i++)
{
myPPU.currentScanline = i;
//Clean up the line from before
for (j = 0; j < 256; j++)
{
//offscreenBuffer[(currentScanline * 256) + i] = (int)Nes_Palette[(int)nameTables[0x1f00]];
//myPPU.offscreenBuffer[(myPPU.currentScanline * 256) + i] = (int)Nes_Palette[(int)nameTables[0x1f00]];
//myPPU.offscreenBuffer[(myPPU.currentScanline * 256) + j] = 0;
myPPU.offscreenBuffer[(myPPU.currentScanline * 256) + j] = (short)myPPU.Nes_Palette[myPPU.nameTables[0x1f00]];
}
myPPU.RenderBackground();
}
myPPU.currentScanline = 240;
//FIXME: This is for debugging
unsafe {
short *p = (short *)sdlBuffer;
int f, g;
//int maxlength = width*height;
int maxlength = 256 * 224;
for (f = 0; f < maxlength; f++)
{
//p[187980 + 264 + (f % 256) + 780 * (f / 256)] = myPPU.offscreenBuffer[f];
p[256 + 264 + (f % 256) + 780 * (f / 256)] = myPPU.offscreenBuffer[f];
}
}
myPPU.nameTableAddress = 0x2800;
myPPU.scrollH = 0;
myPPU.scrollV = 0;
for (i = 0; i < 240; i++)
{
myPPU.currentScanline = i;
//Clean up the line from before
for (j = 0; j < 256; j++)
{
//offscreenBuffer[(currentScanline * 256) + i] = (int)Nes_Palette[(int)nameTables[0x1f00]];
//myPPU.offscreenBuffer[(myPPU.currentScanline * 256) + j] = 0;
//myPPU.offscreenBuffer[(myPPU.currentScanline * 256) + i] = (int)Nes_Palette[(int)nameTables[0x1f00]];
myPPU.offscreenBuffer[(myPPU.currentScanline * 256) + j] = (short)myPPU.Nes_Palette[myPPU.nameTables[0x1f00]];
}
myPPU.RenderBackground();
}
myPPU.currentScanline = 240;
//FIXME: This is for debugging
unsafe {
short *p = (short *)sdlBuffer;
int f, g;
//int maxlength = width*height;
int maxlength = 256 * 224;
for (f = 0; f < maxlength; f++)
{
p[187980 + 264 + (f % 256) + 780 * (f / 256)] = myPPU.offscreenBuffer[f];
}
}
myPPU.nameTableAddress = 0x2C00;
myPPU.scrollH = 0;
myPPU.scrollV = 0;
for (i = 0; i < 240; i++)
{
myPPU.currentScanline = i;
//Clean up the line from before
for (j = 0; j < 256; j++)
{
//offscreenBuffer[(currentScanline * 256) + i] = (int)Nes_Palette[(int)nameTables[0x1f00]];
//myPPU.offscreenBuffer[(myPPU.currentScanline * 256) + j] = 0;
//myPPU.offscreenBuffer[(myPPU.currentScanline * 256) + i] = (int)Nes_Palette[(int)nameTables[0x1f00]];
myPPU.offscreenBuffer[(myPPU.currentScanline * 256) + j] = (short)myPPU.Nes_Palette[myPPU.nameTables[0x1f00]];
}
myPPU.RenderBackground();
}
myPPU.currentScanline = 240;
//FIXME: This is for debugging
unsafe {
short *p = (short *)sdlBuffer;
int f, g;
//int maxlength = width*height;
int maxlength = 256 * 224;
for (f = 0; f < maxlength; f++)
{
p[187980 + 256 + 264 + (f % 256) + 780 * (f / 256)] = myPPU.offscreenBuffer[f];
}
}
myPPU.nameTableAddress = currentNameTableAddress;
#else
Marshal.Copy(myPPU.OffScreenBuffer, 256 * 8, sdlBuffer, width * height);
#endif
Video.Update();
//Sdl.SDL_Flip(surfacePtr);
//FIXME: Come up with a better way of frame limiting
//Sdl.SDL_Delay((int)(16.667 - ((dtafter-dtbefore).Ticks / 10000.0)));
//Console.WriteLine("Will Delay: {0}", 60 * ((dtafter-dtbefore).Ticks / 1000000.0));
framecount++;
if ((framecount % 100) == 0)
{
//FIXME: This assumes NTSC
dtafter = DateTime.Now;
fps = (int)(((dtafter - dtbefore).Ticks) / 100000);
//Console.WriteLine("Current Speed: {0}", 100.0 / fps);
if (fps < 100)
{
willSleep = true;
sleepTime++;
//Console.WriteLine("Will Delay: {0}", (100 - fps) * 1000);
}
dtbefore = DateTime.Now;
}
if (willSleep)
{
Thread.Sleep(sleepTime);
}
//Thread.Sleep(10);
}
