@27 : The other way around, 8x8 square index by 0x88 coordi…
@27 : The other way around, 8x8 square index by 0x88 coordinates, takes three operations, and adds the three lower bits with possible overflow into empty bit 3, finally shifting right one:
@27 : The other way around, 8x8 square index by 0x88 coordinates, takes three operations, and adds the three lower bits with possible overflow into empty bit 3, finally shifting right one: