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zx81keyboardadventure.com
16k should be enough for anyone
@zx81keyboardadventure.com
Retro blogging, retro coding, making stuff, art-ing stuff. Also on @zx81adventures@mastodon.social

Websites and Blogs and Things
https://www.zx81keyboardadventure.com
https://zx81keyboardadventure.itch.io/
Reposted by 16k should be enough for anyone
PET Invaders – Release!

As the Earth Space Monitoring Network sounds alarm, you and your LASER tank are Planet Earth's only hope… Exciting space arcade PETSCII action for Commodore PET (40 cols, 16K RAM)!

Downloads & online emulation at:
www.masswerk.at/pet/prgs/#pet-invaders
November 9, 2025 at 6:31 AM
Reposted by 16k should be enough for anyone
New blog post - The Minstrel ROM Cart for the Minstrel Expansion Bus.
blog.tynemouthsoftware.co.uk/2025/10/mins...
Replace the ROM on a Minstrel 2, 3, ZX81 or TS1000 with an 8K or 16K ROM image.
October 19, 2025 at 11:23 AM
Reposted by 16k should be enough for anyone
Reposted by 16k should be enough for anyone
Get your divMMCs while you can folks.

Sings:

Give me one good reason to keep making them,
I'll give you ten good reasons to stop.

too many broken Spectrums in the world,
too many M1s that just don't work,
too many broken Spectrums in the world,
too many good divs they want to return
If 'my' weekend goes to plan, I might well be building the last ever batch of divMMC Futures! #ZXSpectrum #Speccy #Sinclair #WithAFunctionalM1SignalObvs.
www.tfw8b.com/product/divm...
The div might come back after this batch.. but with the world as it is.. probably not.. maybe.
September 5, 2025 at 4:22 PM
Anyboby know how many, or which of the new Spectum Next KS3 cores will be backported to the KS1 and KS2 models? Mainly wondering about the best core, the #zx81 @specnext.com
August 17, 2025 at 12:31 AM
Whenever a date looks stupid, it's American Developer Defaultism. (Just a reminder that causes enless confusion for the rest of the world)
July 24, 2025 at 12:57 AM
Reposted by 16k should be enough for anyone
15 years ago this month, I set up Tynemouth Software. So all this month, there is 15% off everything at my Tindie store. www.tindie.com/stores/tynem...
Tynemouth Software on Tindie
I write a blog about old computers, repairing them, upgrading them, replacing them. Read more at blog.tynemouthsoftware.co.uk
www.tindie.com
July 1, 2025 at 1:55 PM
Reposted by 16k should be enough for anyone
Microsoft Excel
March 1, 2024 at 9:19 PM
Can #chat-gpt generate a rouge level compilable in #z88dk for the #ZX81? First tests are kinda "yes".
June 24, 2025 at 10:36 AM
Reposted by 16k should be enough for anyone
Looking to start #RetroGameDev for the ZX Spectrum, ZX81 or Spectrum Next? My devcontainer makes this easy on Windows, Linux or MacOS. Now available on GitHub!

github.com/mcphail/spec...
GitHub - mcphail/speccydev: Devcontainer for building programs for the ZX Spectrum and related 8-bit devices including ZX81 and Spectrum Next.
Devcontainer for building programs for the ZX Spectrum and related 8-bit devices including ZX81 and Spectrum Next. - mcphail/speccydev
github.com
June 23, 2025 at 3:41 PM
Anybody got #z88dk working under #termux in #android? Can get z88 to compile but when running a test build I get "Failed to create temporary filename"
June 22, 2025 at 5:04 AM
Reposted by 16k should be enough for anyone
New blog post - A ZX81 game running on a ZX81 emulator running on a Jupiter Ace emulator running on a Windows emulator running on a Linux PC.

Or "modifying EightyOne to support the Minstrel 4th so I can debug it and find out why Tut-Tut does not work"

blog.tynemouthsoftware.co.uk/2025/06/a-zx...
June 15, 2025 at 11:49 AM
Moons ago, I made a tiny keyboard for Lorenzo Herrera’s Commodore Pet Mini – commodorepetmini.com – adapted into the Educator 64 Mini: www.zx81keyboardadventure.com/search/label...

Now, thanks to Davidvro, printable keycaps finish the look:
github.com/davidvrootech/c-educator-64-mini-keyboard-caps
June 15, 2025 at 5:05 AM
Reposted by 16k should be enough for anyone
Finally.

Unmodified Tut-Tut for the ZX81 running on ZX81 BASIC for the Minstrel 4th running on a Jupiter Ace emulator running on a Windows 7 emulator running on a Linux PC.

I am sure I will write an excessively long blog post about it.

Thanks to @zx81keyboardadventure.com for helping sort this.
June 10, 2025 at 2:24 PM
Reposted by 16k should be enough for anyone
Seems an appropriate day to revisit some #forth -based games on #Minstrel4th, starting with #Tut-tut, which @zx81keyboardadventure.com inspired me to port to 100% Forth on #Ace / #Minstrel4th, here loaded from cassette tape cronosoft.fwscart.com/product/tut-...
May 4, 2025 at 1:05 PM
Reposted by 16k should be enough for anyone
DOOM goes 8-Bit Chiptune on the Commodore64 👹🕹️💻
▶️ youtu.be/IsbOxBSrp_o?...
#doom #c64 #chiptune #8bit #8bitmusic
🔥 DOOM Runs on Anything! - At Doom’s Gate [C64 SID Chiptune Cover] 🔥
YouTube video by Nordischsound
youtu.be
April 10, 2025 at 8:47 AM
Not normally political, but on "Freedom Day", the rest of world replies with.
April 3, 2025 at 1:27 AM
Reposted by 16k should be enough for anyone
New blog post - Finally fixing the VIC20 game Tornado.
blog.tynemouthsoftware.co.uk/2025/03/fina...
This is a nice VIC20 game, but a lot of the time, it would lock up as soon as it started.
I have finally got to the bottom of why this happens, and the version on the Penultimate +3 now always works.
March 9, 2025 at 11:02 AM
Reposted by 16k should be enough for anyone
320x200, subset of colors from the CGA palette
January 29, 2025 at 9:29 PM
Reposted by 16k should be enough for anyone
Having disassembled Colin Dooley's port of #centipede for the #JupiterAce (and #Minstrel4D), and discovered an unused spider graphic, I've been working to restore the spider feature and (hopefully) fulfil Colin's vision for this great game! I will share a TAP version soon. #retrogaming
February 16, 2025 at 8:59 PM