I'm fairly certain scrolling on all Nintendo devices was a hardware thing. You were responsible for the tiles not for the pixel level scrolling. http://wiki.ne

I'm fairly certain scrolling on all Nintendo devices was a hardware thing. You were responsible for the tiles not for the pixel level scrolling. http://wiki.nesdev.com/w/index.php/PPU_scrolling http://wiki.nesdev.com/w/index.php/PPU_scrolling