>>Literally pressing the button on the front of the case dropped you straight into Macsbugs. Or better yet, TMON[1]! What an amazing debugger. I spent many hou

>>Literally pressing the button on the front of the case dropped you straight into Macsbugs. Or better yet, TMON[1]! What an amazing debugger. I spent many hours in there, trying to figure out why the 64K ROM was stepping all over registers that were supposed to be protected by particular ROM traps. (to be fair, there were not too many of these, and they were all eventually patched by system updates) [1] https://www.macintoshrepository.org/1400-tmon https://www.macintoshrepository.org/1400-tmon