public ushort Render(VIC vic, ushort x, byte shift)
{
IVideoOutput output = vic.OutputDevice;
ushort[] collision = vic.CollisionMatrix;
byte b1, b2;
vic.ReadVideoMatrix(out b1, out b2);
_colors[0] = vic.GetBackgroundColor(0);
_colors[1] = Pallete.CvtColors[b1 >> 4];
_colors[2] = Pallete.CvtColors[b1 & 0x0f];
_colors[3] = Pallete.CvtColors[b2];
ushort y = vic.Raster;
uint pos = (uint)(y * VIC.X_RESOLUTION + x);
uint bits = (uint)(vic.Memory.Read(vic.GetBitmapMemoryAddress((ushort)((vic.VC << 3) | vic.RC))) << (shift & ~1));
bits <<= 2;
uint pixel = pixel = (bits & 0x300) >> 8;
bool next = (shift & 1) != 0;
for (uint lim = pos + 8 - shift; pos < lim; pos++)
{
output.OutputPixel(pos, _colors[pixel]);
collision[pos] = (bits & 2) != 0 ? (ushort)CollisionState.Foreground : (ushort)0;
if (next)
{
bits <<= 2;
pixel = (bits & 0x300) >> 8;
}
next = !next;
}
return (ushort)(x + 8 - shift);
}
public ushort Render(VIC vic, ushort x, byte shift)
{
IVideoOutput output = vic.OutputDevice;
ushort[] collision = vic.CollisionMatrix;
byte b1, b2;
vic.ReadVideoMatrix(out b1, out b2);
uint color0 = Pallete.CvtColors[b1 & 0x0f];
uint color1 = Pallete.CvtColors[b1 >> 4];
uint bits = (uint)(vic.Memory.Read(vic.GetBitmapMemoryAddress((ushort)((vic.VC << 3) | vic.RC))) << shift);
ushort y = vic.Raster;
uint pos = (uint)(y * VIC.X_RESOLUTION + x);
for (uint lim = pos + 8; pos < lim; pos++)
{
bits <<= 1;
uint pixel = bits & 0x100;
output.OutputPixel(pos, pixel == 0 ? color0 : color1);
collision[pos] = (ushort)pixel;
}
return (ushort)(x + 8 - shift);
}