I remember this one being bundled on the cover CD of one of the Amiga mags 20 years ago. Watching it blew me away at the time :)

Pouet: http://www.pouet.net/prod.php?which=14015 Youtube: https://www.youtube.com/watch?v=zmly5dpEpvc

You might've posted a different video than you thought. At least, there's no ascii art (or video) in that at all.