Dungeon for the Commodore PET is a Rogue-like released in 1979, before Rogue from 1980! It also has some bugs preventing it from being enjoyed on newer PETs, so let's fix it. Chuck Hutchins' MiniPET build: https://www.youtube.com/watch?v=oHeQc1RgPFk Become a patron: https://patreon.com/8BitShowAndTell One-time donation: https://paypal.me/8BitShowAndTell Download original Dungeon: http://8bitshowandtell.com/prg/dungeon.prg Download fixed Dungeon: http://8bitshowandtell.com/prg/dungeon40.prg Beneath Apple Manor fixed disk: http://8bitshowandtell.com/prg/Beneath_Apple_Manor_1978_version_fixed.dsk Buy MiniPET: https://www.thefuturewas8bit.com/mini-pet.html Porting Dungeon to Python: https://www.reddit.com/r/Commodore/comments/guom86/dissecting_a_commodore_pet_program_dungeon/ Ending credits song is "Rogue" from Bedford Level Experiment's album "Place Without A Computer": https://bedfordlevelexperiment.bandcamp.com/album/place-without-a-computer Index 0:00 Intro: CURSOR Magazine, Brian Sawyer 2:13 A bit of Dungeon gameplay 3:33 History lesson: Rogue-likes 7:13 The Dungeon glitch 8:13 Chuck Hutchins: Bug reproduction on Mini PET 12:04 Problem: PET BASIC 2 vs. 4 15:53 Garbage collection on BASIC 2 (C64 and early PET) 20:30 Garbage collection on BASIC 4 (later PET) 24:06 Fixing Dungeon 30:01 Chuck Hutchins: Testing the fix on Mini PET 32:00 Thanks