Original text by Konstantin Othmer and Bruce Leak for Apple’s develop! magazine, December 1992, March 1993, and June 1993.

Apple’s MicroBug documentation: Technote TN1136.

Running MacsBug on an alternate monitor: “Using Touch and Go Breakpoints with Two Monitors”.

Spaceward Ho! for iPad and Classic MacOS. Original product website (broken).

Watch a Let’s Play of Spaceward Ho! by Effing Controller who also has hilarious playthroughs of F/A-18 Hornet and Marathon.

See also: Debugging Macintosh Software with Macsbug by Konstantin Othmer and Jim Straus.