- small optimizations in function graphics_tile_update() - bpp value check in function dimension_update() improved
- small optimizations in function graphics_tile_update()
- bpp value check in function dimension_update() improved

marmolejo/bochs-zet,marmolejo/bochs-zet,marmolejo/bochs-zet,marmolejo/bochs-zet,marmolejo/bochs-zet