IBM PCjr Easter Egg: Keyboard Adventure

Unlike most DOS machines, the IBM PC jr has built-in software beyond the BIOS. We take a quick look at the BASIC, the diagnostic program, and discover the hidden secrets in Keyboard Adventure.

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Eugene PCjr Club News (How to solve the puzzle):
March 1995: https://archive.org/details/Eugene_PC...
April 1995: http://vtda.org/pubs/EugenePCjrClub/E...

Credits music by: https://bedfordlevelexperiment.bandca...

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Index:
0:00 #DOScember and IBM PCjr
1:35 10 PRINT: IBM PCjr BASIC style
3:46 PCjr Keyboard
4:34 Ctrl+Alt+Ins: Diagnostic Mode
5:51 Running the Keyboard Adventure
10:00 The Secret Adventure Puzzle
17:18 Check other #DOScember videos