CGB-ACID2 Issues

Description

Boytacean is still showing some (2) issues, they need to be fixed.

They seem to be related to:

• Bit 7 of the BG Map Attributes - https://gbdev.io/pandocs/Tile_Maps.html#bg-map-attributes-cgb-mode-only
• OPRI register - https://gbdev.io/pandocs/CGB_Registers.html#ff6c--opri-cgb-mode-only-object-priority-mode