#zx81 — Public Fediverse posts
Live and recent posts from across the Fediverse tagged #zx81, aggregated by home.social.
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So, it turns out that when you do a composite video mod on a vintage computer, your TV can no longer tune into it. I mean who would have thought that changing the mode of video output would change the mode of video output!?
I've just spent the last half-hour trying to work out why a video mod for a #ZX81 had apparently killed it, including reversing the mod to see what had changed... doh!
What's the error code for "User error - replace user" :)
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Zevious Seven has now been release on Cassette by Cronosoft
On Tape: https://cronosoft.fwscart.com/product/zevious-7-sinclair-zx81-16k
Digital Copy: https://cronosoft.fwscart.com/product/zevious-7-sinclair-zx81-16k -
En faisant du rangement, je retombe sur le manuel de l’Acorn ATOM, mon 2e ordinateur après le #ZX81. C’est avec lui que j’ai appris l’assembleur #6502.
“This manual explains how to connect up the ATOM, and how to program it in BASIC or Assembler”.
Fun fact: l’entreprise Acorn a évoluée en « Acorn RISC Machines », maintenant connue sous le nom d’ARM, qui équipe probablement votre smartphone.
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In July, I had the pleasure of being a guest on the Timex Sinclair group, talking about #Zevious, #TutTut and other projects. Thanks for having me! #ZX81
https://youtu.be/E7xjBM8rvIo?si=6ueWUtvRjxa_HmLP -
SD81Booster, pra incrementar seu ZX-81.
https://retropolis.com.br/2026/08/10/sd81booster-pra-incrementar-seu-zx-81/
#MundoRetro #CPLD #perifrico #SD81Booster #sinclair #ZX80 #ZX81
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SD81Booster, pra incrementar seu ZX-81.
https://retropolis.com.br/2026/08/10/sd81booster-pra-incrementar-seu-zx-81/
#MundoRetro #CPLD #perifrico #SD81Booster #sinclair #ZX80 #ZX81
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(pictures to follow)
So I've been clearing through my parents attic, digging out old stuff.... and I've found a ZX81 😍, BBC Master 🤓 and I *think* I've got an SC/MPuter too! 😲
Couldn't find the old AtariST, Dragon32 or BBC Model B though. 😟 (I was actually looking for the Beeb)
Not sure whether to resurrect the two TRS80's (model I and II) they looked a bit worse for wear.
#retrocomputing #zx81 #bbcmicro -
😢 Today would have been Sir Clive Sinclair's 86th birthday 🇬🇧
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I bought recently a #R36S retro console for just 31€ on Aliexpress.
Highly recommended if you love retro stuff. Works with retroark under linux.
It comes with thousands of #GB, #GBC, #GBA, #NES, #SNES, #MSX, #Famicom, #Game Gear, #Mega Drive, #MasterSystem, #Atari2600, #NeoGeo, ... even #Playstation 1 and #PSP roms ready to play!
I added games for #C64, #Amstrad, #BBCMicro, #MSDOS, #AppleII, #Ti 99, ... and of course, #ZX81 and #ZXSpectrum games! 🧐
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Inufuto ataca outra vez, com Swordwork.
https://retropolis.com.br/2026/07/10/inufuto-ataca-outra-vez-com-swordwork/
#MundoRetro #AcornElectron #AmstradCpc #AmstradCPC464 #AppleII #Ascend #Atari8bits #colecovision #Commodore64 #CommodoreVIC20 #Creativision #FM7 #FMR30 #GameTank #Inufuto #Jogos #JR200 #MattelAquarius #MegaDuck #MSX #panasonic #PC6001 #PC6001mkII #PC88 #RafaelLima #SegaSG1000 #SharpMZ #SharpX1 #TI994A #TRS80ColorComputer #TRS80MC10 #VZ200 #ZXSpectrum #ZX81
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#sinclairuser , july 1983: how Mrs. Sims used a #zx81 to help her in her business
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TIMEX SINCLAIR 1000
#Sinclair #ZX81 #TimexSinclair1000 -
A little bit more on the Making of Zevious Seven for the #ZX81
https://www.zx81keyboardadventure.com/2026/06/zevious-seven-getting-bit-more-from.html
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PDF magazine: REV'n'GE 182 (Italian/English)
The game reviews in REV'n'GE compare the implementations of classics across different platforms of the time.https://www.amiga-news.de/en/news/AN-2026-06-00117-EN.html
#retrogaming #magazine #AppleII #Amstrad #ZXspectrum #C64 #Amiga #CD32 #ZX81 #MSX
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An original ZX Spectrum 48K and ZX81
#Sinclair #ZXSpectrum #ZX81 -
Let's see whether I can play a game of zevious seven with the joystick. The kempton joystick adapter plugs in to the 64K memory expansion which plugs into the ZX-81. Maxing out on wonkiness.
I don't even know if the adapter works with the ZX-81, it csme with my spectrum.
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Classic or Enhanced?
There's now a choice in versions: with the update of v1.04 there is an aditional option of User Defined Graphics with Colour. The ZIP file contains both versions.