This also enabled more colours, as you were limited to something like 8 colours (2 per sprite and 1 background) in multicolour mode. At different vertial positi

This also enabled more colours, as you were limited to something like 8 colours (2 per sprite and 1 background) in multicolour mode. At different vertial positions you could swop out the banks between scans and this worked particularly well for horizontal scrollers ...