8-Bit Show And Tell | IBM PCjr Easter Egg: Keyboard Adventure #DOScember IBM PC Junior @8_Bit | Uploaded December 2020 | Updated October 2024, 6 hours ago.
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: archive.org/details/Eugene_PCjr_Club_News_199503_VolXINo3/page/n1/mode/2up
April 1995: vtda.org/pubs/EugenePCjrClub/EugenePCjrClubNews_199504_VolXINo4.pdf

Credits music by: bedfordlevelexperiment.bandcamp.com

#DOScember official playlist:

bit.ly/DOScember2020

#doscember Participating Channels:

8-Bit Show And Tell: youtube.com/8BitShowAndTell
Adrian's Digital Basement: youtube.com/AdriansDigitalBasement
ctrl-alt-rees: youtube.com/CtrlAltRees
DaveJustDave: youtube.com/MrDaveJustDave
Jan Beta: youtube.com/JanBeta
Josh Malone: youtube.com/JoshMalone_48kRAM
LGR: youtube.com/LazyGameReviews
MindFlareRetro: youtube.com/MindFlareRetro
Mr Lurch's Things: youtube.com/MrLurchsThings
Noel's Retro Lab: youtube.com/NoelsRetroLab
Ovesen.net youtube.com/ovesennet
RetroBytes youtube.com/c/RetroBytesUK
RetroSpector78: youtube.com/RetroSpector78
RMC: youtube.com/RMCRetro
RoseTintedSpectrum: youtube.com/RoseTintedSpectrum
Tech Tangents: youtube.com/AkBKukU
The 8-Bit Guy: youtube.com/adric22
The Oldskool PC: youtube.com/TheOldskoolPC
TheRetroChannel: youtube.com/TheRetroChannel

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