{
// These use Blargg's bitwise modulo-clamping:
// http://blargg.8bitalley.com/info/rgb_mixing.html
// http://blargg.8bitalley.com/info/rgb_clamped_add.html
// http://blargg.8bitalley.com/info/rgb_clamped_sub.html
{
// These use Blargg's bitwise modulo-clamping:
// http://blargg.8bitalley.com/info/rgb_mixing.html
// http://blargg.8bitalley.com/info/rgb_clamped_add.html
// http://blargg.8bitalley.com/info/rgb_clamped_sub.html