David Youd
@c64cryptoboy.bsky.social
Otrovert, 8-bit preservationist, and armchair ludomusicologist
https://www.youtube.com/@DavidYoud
https://www.youtube.com/@DavidYoud
A new 8K PET RPG: youtu.be/dzSJlNHcFME
Tower And Dragon 4.0 Trailer
YouTube video by Jason Cook
youtu.be
January 8, 2026 at 10:57 PM
A new 8K PET RPG: youtu.be/dzSJlNHcFME
Dragon's Eye: Exploring an EPYX PET-Era RPG
YouTube video by David Youd
youtu.be
December 30, 2025 at 11:56 PM
Another Christmas Gift, a new version of VICE just dropped: vice-emu.sourceforge.io
VICE - the Versatile Commodore Emulator
Homepage of VICE - the Versatile Commodore Emulator
vice-emu.sourceforge.io
December 25, 2025 at 2:16 AM
Another Christmas Gift, a new version of VICE just dropped: vice-emu.sourceforge.io
David Given uses #ghidra to explore a new 6502-based toy (bypassing some "security" in the process): www.youtube.com/watch?v=jJ0X...
Reverse engineering a 'tony' 6502-based game console
YouTube video by Poking Technology
www.youtube.com
November 25, 2025 at 4:21 PM
David Given uses #ghidra to explore a new 6502-based toy (bypassing some "security" in the process): www.youtube.com/watch?v=jJ0X...
If you'd like to msg Becky Heineman, now is the time
This is it. I nearly suffocated by using the reetroom. I’m asking my doctors agreeing on a short cure. Only really sure painful prolonged angona is hereafter the grim reaps me. Please donate on the funeral fund me now.
November 16, 2025 at 8:56 PM
If you'd like to msg Becky Heineman, now is the time
It's #CRX2025 (Commodore Retro eXpo) weekend! It's free to virtually attend. I'm unable to join this year, but they've got a great lineup: #c64 www.crxevent.com/presenters.htm
CRX EVENT
Website for Commodore Retro eXpo
www.crxevent.com
November 14, 2025 at 6:40 PM
It's #CRX2025 (Commodore Retro eXpo) weekend! It's free to virtually attend. I'm unable to join this year, but they've got a great lineup: #c64 www.crxevent.com/presenters.htm
Michael Cranford's recent retrospective on developing The Bard's Tale (EA, 1985)
www.youtube.com/watch?v=oHc5...
www.youtube.com/watch?v=oHc5...
The History of “The Bard's Tale” by Michael Cranford - PRGE 2025 Portland Retro Gaming Expo
YouTube video by Portland Retro Gaming Expo
www.youtube.com
November 13, 2025 at 4:29 PM
Michael Cranford's recent retrospective on developing The Bard's Tale (EA, 1985)
www.youtube.com/watch?v=oHc5...
www.youtube.com/watch?v=oHc5...
Reposted by David Youd
VALE OF THE LOST GODDESS. Right that's all the location bitmaps done and first pass on all the sprites done too. Stu wrote me a quick editor so i could link up all the rooms and add little descriptions of what you see. #c64
October 28, 2025 at 7:35 AM
VALE OF THE LOST GODDESS. Right that's all the location bitmaps done and first pass on all the sprites done too. Stu wrote me a quick editor so i could link up all the rooms and add little descriptions of what you see. #c64
Looked at that #BardsTale "IRKM DESMET DAEM" red herring again...
Tried a running key cipher of two plain texts. C=(P1+P2)mod26 where "A"=0 to "Z"=25, so "Z"+"B"="A". Nothing plausible, but found fun nonsense:
"IF GAZE PIECHART" + "A MEME A DEAR WANT" = "IRKM DESMET DAEM"
Tried a running key cipher of two plain texts. C=(P1+P2)mod26 where "A"=0 to "Z"=25, so "Z"+"B"="A". Nothing plausible, but found fun nonsense:
"IF GAZE PIECHART" + "A MEME A DEAR WANT" = "IRKM DESMET DAEM"
November 2, 2025 at 12:44 AM
Looked at that #BardsTale "IRKM DESMET DAEM" red herring again...
Tried a running key cipher of two plain texts. C=(P1+P2)mod26 where "A"=0 to "Z"=25, so "Z"+"B"="A". Nothing plausible, but found fun nonsense:
"IF GAZE PIECHART" + "A MEME A DEAR WANT" = "IRKM DESMET DAEM"
Tried a running key cipher of two plain texts. C=(P1+P2)mod26 where "A"=0 to "Z"=25, so "Z"+"B"="A". Nothing plausible, but found fun nonsense:
"IF GAZE PIECHART" + "A MEME A DEAR WANT" = "IRKM DESMET DAEM"
Hollow-face illusion: "turns" to face you (ABS 3D-print)
YouTube video by David Youd
www.youtube.com
October 30, 2025 at 4:43 PM
Visited both C.S. Lewis and J.R.R. Tolkien (in Oxford) today
October 19, 2025 at 5:21 PM
Visited both C.S. Lewis and J.R.R. Tolkien (in Oxford) today
Planning my pilgrimage to The Cave ( @visitthecave.bsky.social ) and the Arcade Archive ( @arcadearchive.co.uk ) on the 18th. :)
October 6, 2025 at 12:22 PM
Planning my pilgrimage to The Cave ( @visitthecave.bsky.social ) and the Arcade Archive ( @arcadearchive.co.uk ) on the 18th. :)
My laptop died prematurely. Time to say goodbye to all these awesome stickers:
October 5, 2025 at 6:24 PM
My laptop died prematurely. Time to say goodbye to all these awesome stickers:
Reposted by David Youd
I’ve started a GoFundMe to help with my cancer battle gofund.me/6850175a3
Donate to Help Rebecca Ann Heineman Fight Aggressive Cancer, organized by Rebecca Heineman
I’m Rebecca Ann Heineman. The very first video game champion, creat… Rebecca Heineman needs your support for Help Rebecca Ann Heineman Fight Aggressive Cancer
gofund.me
October 4, 2025 at 4:28 PM
I’ve started a GoFundMe to help with my cancer battle gofund.me/6850175a3
"Imaginary evil is romantic and varied; real evil is gloomy, monotonous, barren, boring.
Imaginary good is boring; real good is always new, marvelous, intoxicating." -- Simone Weil
Imaginary good is boring; real good is always new, marvelous, intoxicating." -- Simone Weil
September 27, 2025 at 9:07 PM
"Imaginary evil is romantic and varied; real evil is gloomy, monotonous, barren, boring.
Imaginary good is boring; real good is always new, marvelous, intoxicating." -- Simone Weil
Imaginary good is boring; real good is always new, marvelous, intoxicating." -- Simone Weil
#LLMs that play #Infocom games:
huggingface.co/blog/textque...
arxiv.org/pdf/2507.23701
github.com/centerforais...
huggingface.co/blog/textque...
arxiv.org/pdf/2507.23701
github.com/centerforais...
TextQuests: How Good are LLMs at Text-Based Video Games?
We’re on a journey to advance and democratize artificial intelligence through open source and open science.
huggingface.co
August 19, 2025 at 9:28 PM
A new #willywonka DIY music box arrangement: www.youtube.com/shorts/veMXU...
Pure Imagination (Willy Wonka) music box
YouTube video by David Youd
www.youtube.com
August 6, 2025 at 4:38 AM
A new #willywonka DIY music box arrangement: www.youtube.com/shorts/veMXU...
Got a new piece of art, a slow motion frame: www.youtube.com/shorts/9m44t...
Slow motion frame (#stroboscopic illusion)
YouTube video by David Youd
www.youtube.com
May 13, 2025 at 5:11 PM
Got a new piece of art, a slow motion frame: www.youtube.com/shorts/9m44t...