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Blog Atari Space Duel Self-Test ROM Signatures Old McCarthy Had a Form Common Lisp in Practice Repairing Asteroids I like ThinkPads So Long, Apple Handling OS-9 RBF (Fluke 9100) floppies on Linux Repairing a Sharp PC-1261 Pocket Computer The Secret 9100 What Even Is Org Mode? Hell O’World Twitter, a retrospective 2007-2018