[koz1000]

The EXORciser was also used by Williams Electronics to develop software for pinball machines in the 1980s, as well as the Defender video game.

Here's Steve Ritchie and Larry DeMar working on Black Knight:

https://64.media.tumblr.com/04e09410654d43180fcf2dd0591bba38...

[jhallenworld]

Very cool! I'm going to add this photo to the GitHub readme unless anyone objects.