The Amiga had a powerful chip called a blitter for moving arbitrary rectangles of image data around (it could even draw lines) but most developers were used to

The Amiga had a powerful chip called a blitter for moving arbitrary rectangles of image data around (it could even draw lines) but most developers were used to nes, c64, snes, megadrive and these all used character based hw so 8 bit alignment made things easier and fast.