private void GenerateBitmaps(BitmapMemory bmem)
{
int bitmapCount = (int)(bmem.Size / (bitmapWidth * bitmapHeight * bmem.WordSize));
bitmaps = new BitmapSource[bitmapCount];
for (int i = 0; i < bitmapCount; i++)
{
var pixels = new byte[256 * 3];
for (int j = 0; j < 256; j++)
{
uint pixel = bmem[(uint)((i * 256 + j) * bmem.WordSize)];
pixels[j * 3 + 2] = (byte)((pixel >> 8) * 16);
pixels[j * 3 + 1] = (byte)((pixel >> 4 & 0xf) * 16);
pixels[j * 3] = (byte)((pixel & 0xf) * 16);
}
BitmapSource bitmap = BitmapSource.Create(bitmapWidth, bitmapHeight, 96, 96, PixelFormats.Bgr24, null, pixels,
bitmapWidth * 3);
bitmaps[i] = bitmap;
}
}
public VgaDisplay(Mips mips)
{
images = new Image[gridWidth * gridHeight];
InitializeComponent();
InitializeGrid(gridWidth, gridHeight);
AddGridImages();
BitmapMemory bmem = (BitmapMemory)mips.MemDict[typeof(BitmapMemory)][0];
GenerateBitmaps(bmem);
this.smem = (ScreenMemory)mips.MemDict[typeof(ScreenMemory)][0];
hasSprite = mips.MemDict.ContainsKey(typeof(SpriteMemory)) &&
mips.MemDict.ContainsKey(typeof(SpriteBitmapMemory));
if (hasSprite)
{
GenerateSpriteImage((SpriteBitmapMemory)mips.MemDict[typeof(SpriteBitmapMemory)][0]);
spmem = (SpriteMemory)mips.MemDict[typeof(SpriteMemory)][0];
}
RefreshDisplay();
}
