private void _OP_DTH(int n)
{
GpuState->DitherMatrix[4 * n + 0] = (sbyte)BitUtils.ExtractSigned(Params24, 4 * 0, 4);
GpuState->DitherMatrix[4 * n + 1] = (sbyte)BitUtils.ExtractSigned(Params24, 4 * 1, 4);
GpuState->DitherMatrix[4 * n + 2] = (sbyte)BitUtils.ExtractSigned(Params24, 4 * 2, 4);
GpuState->DitherMatrix[4 * n + 3] = (sbyte)BitUtils.ExtractSigned(Params24, 4 * 3, 4);
}