Wow thanks... I'm going to download and take a peek. I have great memories playing with that game.

Unless you've worked a lot with 6502s or their brethren, it's going to look like a dense mass of gibberish. Not a lot of comments but excellent use of variable and label names.

Budge's assembly is some of the most clever and compact code I've ever seen for these kinds of processors.

I thought this was funny: Oddly, Budge doesn't like to play arcade and videogames very much. In fact, he says it was "sheer torture" to play pinball steadily for months while working on his construction set. http://www.atarimagazines.com/compute/issue57/computer_game....