public void renderBitmap()
{
//byte[] imageArray = new byte[(16 * 24) * (16 * 21) * 4]; //16x16 with 4 bits per pixel
m_wb = new WriteableBitmap(640, 200, 96, 96, PixelFormats.Bgra32, BitmapPalettes.WebPalette);
int width = Convert.ToInt32(widthBox.Text);
int stride = Convert.ToInt32(strideBox.Text);
int height = Convert.ToInt32(heightBox.Text);
int bytesPerLines = width + stride;
Int32Rect rect = new Int32Rect();
if (doubleCheck.IsChecked ?? true)
{
rect.Width = 2;
}
else
{
rect.Width = 1;
}
rect.Height = 1;
C64RAM ramObjc = C64RAM.getInstace();
byte[] ram = ramObjc.getRAM();
for (int y = 0; y < height * 8; ++y)
{
int startAddress = m_startAddress + (y * bytesPerLines);
rect.Y = y;
for (int x = 0; x < width; ++x)
{
byte r = ram[startAddress + x];
for (int p = 0; p < 8; p += 1)
{
rect.X = x * 8 * rect.Width + p * rect.Width;
if ((r & 128) == 128)
{
m_wb.WritePixels(rect, VICPallete.getSafePalBGR32(1), 8 /*4*rect.Width*/, 0);
}
else
{
m_wb.WritePixels(rect, VICPallete.getSafePalBGR32(0), 8 /*4*rect.Width*/, 0);
}
r = (byte)(r << 1); //get next pixel
} // p
}
}
canvas.Source = m_wb;
}
public static void renderChar(int addr, int charX, int charY, bool multicolour, int charColour, int backgroundColour, int mulCol0, int mulCol1, WriteableBitmap wb)
{
byte[] ram;
//check to see if we are using an extra charset
if (addr < (int)eExtraCharsets.extraCharsetStart)
{
C64RAM ramObjc = C64RAM.getInstace();
ram = ramObjc.getRAM();
}
else
{
if (addr >= (int)eExtraCharsets.hexCharset1 && addr < (int)eExtraCharsets.hexCharset1 + 0x800)
{
ram = charsetHex1;
addr &= 0x7ff;
}
else if (addr >= (int)eExtraCharsets.hexCharset2 && addr < (int)eExtraCharsets.hexCharset2 + 0x800)
{
ram = charsetHex2;
addr &= 0x7ff;
}
else if (addr >= (int)eExtraCharsets.hexCharset3 && addr < (int)eExtraCharsets.hexCharset3 + 0x800)
{
ram = charsetHex3;
addr &= 0x7ff;
}
else if (addr >= (int)eExtraCharsets.charrom_lo && addr < (int)eExtraCharsets.charrom_hi + 0x800)
{
ram = charsetCHARROM;
addr &= 0xfff;
}
else
{
C64RAM ramObjc = C64RAM.getInstace();
ram = ramObjc.getRAM();
}
}
Int32Rect rect = new Int32Rect();
if (multicolour)
{
rect.Width = 2;
}
else
{
rect.Width = 1;
}
rect.Height = 1;
int spriteTLX = charX * 8;
int spriteTLY = charY * 8;
for (int sy = 0; sy < 8; ++sy)
{
rect.Y = spriteTLY + sy;
for (int sx = 0; sx < 1; ++sx)
{
byte r = ram[addr];
//int bitmapIndex = ((spriteTLY + sy) * (24 * 4)) + ((spriteTLX + (sx*8)) * 4);
if (multicolour)
{
for (int p = 0; p < 8; p += 2)
{
rect.X = spriteTLX + (sx * 8) + p;
switch (r & 192)
{
default:
case 0: //%00
wb.WritePixels(rect, VICPallete.getSafePalBGR32(backgroundColour), 8, 0);
break;
case 64: //%01
wb.WritePixels(rect, VICPallete.getSafePalBGR32(mulCol0), 8, 0);
break;
case 128: //%10
wb.WritePixels(rect, VICPallete.getSafePalBGR32(mulCol1), 8, 0);
break;
case 192: //%11
wb.WritePixels(rect, VICPallete.getSafePalBGR32(charColour), 8, 0);
break;
}
r = (byte)(r << 2); //get next pixel
}
}
else
{
for (int p = 0; p < 8; ++p)
{
rect.X = spriteTLX + (sx * 8) + p;
if ((r & 128) == 128)
{
wb.WritePixels(rect, VICPallete.getSafePalBGR32(charColour), 4, 0);
}
else
{
wb.WritePixels(rect, VICPallete.getSafePalBGR32(backgroundColour), 4, 0);
}
r = (byte)(r << 1); //get next pixel
} // p
}
addr++;
} //sx
} //sy
}
void renderSprite(int addr, int spriteX, int spriteY, bool multicolour, int sprColour, WriteableBitmap wb)
{
C64RAM ramObjc = C64RAM.getInstace();
byte[] ram = ramObjc.getRAM();
Int32Rect rect = new Int32Rect();
if (multicolour)
{
rect.Width = 2;
}
else
{
rect.Width = 1;
}
rect.Height = 1;
int spriteTLX = spriteX * 24;
int spriteTLY = spriteY * 21;
for (int sy = 0; sy < 21; ++sy)
{
rect.Y = spriteTLY + sy;
for (int sx = 0; sx < 3; ++sx)
{
byte r = ram[addr];
//int bitmapIndex = ((spriteTLY + sy) * (24 * 4)) + ((spriteTLX + (sx*8)) * 4);
if (multicolour)
{
for (int p = 0; p < 8; p += 2)
{
rect.X = spriteTLX + (sx * 8) + p;
switch (r & 192)
{
default:
case 0: //%00
wb.WritePixels(rect, VICPallete.getSafePalBGR32(m_backgroundColour), 8, 0);
break;
case 64: //%01
wb.WritePixels(rect, VICPallete.getSafePalBGR32(m_mulCol0), 8, 0);
break;
case 128: //%10
wb.WritePixels(rect, VICPallete.getSafePalBGR32(sprColour), 8, 0);
break;
case 192: //%11
wb.WritePixels(rect, VICPallete.getSafePalBGR32(m_mulCol1), 8, 0);
break;
}
r = (byte)(r << 2); //get next pixel
}
}
else
{
for (int p = 0; p < 8; ++p)
{
rect.X = spriteTLX + (sx * 8) + p;
if ((r & 128) == 128)
{
wb.WritePixels(rect, VICPallete.getSafePalBGR32(sprColour), 4, 0);
}
else
{
wb.WritePixels(rect, VICPallete.getSafePalBGR32(m_backgroundColour), 4, 0);
}
r = (byte)(r << 1); //get next pixel
} // p
}
addr++;
} //sx
} //sy
}
