Diminishing Boxes

Diminishing Boxes © 1980 Fabris, Robert.

This is a typical art program for the Bally Arcade. It draws closely spaced boxes that are pretty large at first, then move in to a small box at the center of the screen. Then it starts again drawing slightly displaced boxes over top of the old ones. If a pixel is drawn over, it gets erased, so you end up with a lot of different patterns.