P.S.: If interested in how it was done, I once did a writeup on the matter [1] based on a great textbook on early video game logic by William Arkush [2]. Also,

P.S.: If interested in how it was done, I once did a writeup on the matter [1] based on a great textbook on early video game logic by William Arkush [2]. Also, don't miss Ed Fries' entertaining tale of how he repaired his specimen of Computer Space [3]. [1] https://www.masswerk.at/rc2017/04/02.html https://www.masswerk.at/rc2017/04/02.html [2] "The Textbook of Video Game Logic; Volume 1" by Arkush, William, Kush N' Stuff Amusement Electronics, Inc., Campbell, CA, 1976: http://www.tokensonly.com/images/resources/manuals/video-game-logic-textbook-vol-one.pdf http://www.tokensonly.com/images/resources/manuals/video-gam... [3] https://edfries.wordpress.com/2015/03/13/fixing-computer-space-3/ https://edfries.wordpress.com/2015/03/13/fixing-computer-spa...