Learning Empathy From Pokémon Blue
summary
Dissects the Missingno exploit end-to-end: disassembly plus a Ruby reimplementation to reveal the real causes—two different subtile loads, registers reused because of a 207‑byte stack, and a persistent grass encounter table at memory D887 seeded with the player name from D8158/CF83. Demonstrates how Pokédex underflow to index 255 writes past memory and effectively add 128 to sixth inventory slot, cites a survey where 87% knew the glitch and 80% learned it by word of mouth.
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chapters (12)
- 0:00Pokémon Blue introduction
- 1:06Global impact of Red/Blue
- 2:10MissingNo glitch step-by-step
- 3:59Glitch technical causes
- 8:40Why players duplicated items
- 12:16Old Man glitch explained
- 15:03What MissingNo is
- 18:35Why almost everyone could perform the glitch
- 20:18How glitch duplicates items
- 22:26Glitch not a failure
- 23:321996 dev constraints
- 24:14Closing remarks








