By computing only the color associated with the byte in question.
This avoid computation that was not required.

Allows usage of tiles from multiple VRAM banks.

Created more panic conditions for the KEY0 and KEY1.

The background attributes seem to be failing.

The code is still pending extensive test and some errors may exist.

Still pending processing and conversion to RGB8888.

Still requiring a lot of operational work to allow proper working.

There's already two drivers implemented: Null and Print (to stdout).

Created a series of new structures including the `PaletteInfo` one.

we're causing issues with window tile drawing