This just in: TI 83 calculator games are lame.
I was a leet calc programmer one time. I made a calc paint called "GRAFFITI." It had diagonal, save image to Pic0, caligraphy tip and everything....except shading cause it was in BASIC and not ASM. Man, those were the days. I had to make a separate hugeass loop for each tool cause it got too slow with all the tools in one of them. And I left it open to edit unlike those other assholes, man I hated those assholes.