Absolutely - it would be great to see if the code (or program) exists anywhere.
The Atari opening credits totally outshone any of those that came in later episodes.
Perhaps if there's anyone who worked on the TV show reading this, they could help - although I concede... it's a long shot.
4 Computer Buffs
Aired On: Channel 4 (UK)
Started: 1985 (according to IMDB)
Produced by: Thames Television
Hosts: Tony Bastable (died 2007), Jane Ashton, Mike Thorne
Director: Graeme Duckham
Executive Producer: Diana Potter
Producer & Scriptwriter: Michael Feldman