private void RenderPixel()
{
    if (vClock == -1)
        return;

    if (!bkgShow && !objShow)
    {
        colorBuffer[(vClock << 8) | hClock] = colorSwatch[(memory.PeekByte(scroll.addr) & palMask) | palEmph];
        return;
    }

    int bkgPixel = bkgPixels[hClock + scroll.fine];
    int objPixel = objPixels[hClock];
    int pixel;

    if (bkgClip && hClock < 8 || !bkgShow)
        bkgPixel = 0x3F00;

    if (objClip && hClock < 8 || !objShow)
        objPixel = 0x3F00;

    if ((bkgPixel & 0x03) == 0)
    {
        pixel = objPixel & 0x3F1F;
    }
    else if ((objPixel & 0x03) == 0)
    {
        pixel = bkgPixel;
    }
    else
    {
        if ((objPixel & 0x8000) != 0)
            pixel = bkgPixel;
        else
            pixel = objPixel & 0x3F1F;

        if ((objPixel & 0x4000) != 0 && hClock < 255)
            obj0Hit = true;
    }

    if ((pixel & 0x03) != 0)
        colorBuffer[(vClock << 8) | hClock] = colorSwatch[(memory.PeekByte(pixel) & palMask) | palEmph];
}