bubble burst, its a 8 bit system and unless you implement your own bank switching system its limited to 64k
yea thats a ton more than you can do on board, but its not a half meg VGA card, and you can already squish out 240x128 mono signal using the onboard ram and TV out (could do more and leave squat room but there is something in tv out that limits that, and I havent had time to putz with it)