Mastodawn

Now with 16k 8h ago

#ZX81 And now we can fly 🚀, and crash into stuff. All coming along nicely.

Third Foundation 3d ago

https://youtu.be/-NheQgCtFgI?si=JNi2LdGw9a36thGm

A playable Arcade game in ZX81 BASIC???
[slow mode]
#zx81 #retroComputing

A playable Arcade game in ZX81 BASIC???

YouTube

Henrique Jorge Apr 6

Pode parecer NADA, mas era TUDO numa altura de NADA!
16K de RAM num #TIMEX #Sinclair 1000 (apenas 2K; e eu na altura até pensava que era apenas 1K, olhando para o original #ZX81) era o verdadeiro pináculo! Isso fez a diferença. Com "NADA" pode fazer-se TUDO! Essa é a engenharia da VIDA!...

Hackaday Apr 3

For Such a Small Program, ZX81 1K Chess Sure Packs a Lot In

https://fed.brid.gy/r/https://hackaday.com/2026/04/03/for-such-a-small-program-zx81-1k-chess-sure-packs-a-lot-in/

For Such A Small Program, ZX81 1K Chess Sure Packs A Lot In

The Sinclair ZX81 was hardly the most accomplished of 1980s 8-bit microcomputers, but its ultra-low-budget hardware was certainly pressed into service for some impressive work. Perhaps the most leg…

Hackaday

Marquis de Geek Apr 4

Renewed interest in my adventures with 1K ZX Chess for the #Sinclair #ZX81

Includes:
* emulation
* rebuilds
* CYD
* full source explanations
* fun! (+)

https://hackaday.com/2026/04/03/for-such-a-small-program-zx81-1k-chess-sure-packs-a-lot-in/#comment-8282701

+ fun not guaranteed

For Such A Small Program, ZX81 1K Chess Sure Packs A Lot In

The Sinclair ZX81 was hardly the most accomplished of 1980s 8-bit microcomputers, but its ultra-low-budget hardware was certainly pressed into service for some impressive work. Perhaps the most leg…

Hackaday

13 Apr 4

For Such a Small Program, ZX81 1K Chess Sure Packs a Lot In https://hackaday.com/2026/04/03/for-such-a-small-program-zx81-1k-chess-sure-packs-a-lot-in/
#Retrocomputing #1kchess #CheapYellowDisplay #Chess #Sinclairzx81 #Zx81

For Such A Small Program, ZX81 1K Chess Sure Packs A Lot In

The Sinclair ZX81 was hardly the most accomplished of 1980s 8-bit microcomputers, but its ultra-low-budget hardware was certainly pressed into service for some impressive work. Perhaps the most leg…

Hackaday

Juan F. Ramírez Apr 3

If you'd like to own a #zx81 inspired mechanical keyboard, maybe this kickstarter is for you:

https://www.kickstarter.com/projects/1225158274/kilozed-zx81-inspired-keycaps-for-modern-mechanical-keyboar

#zxspectrum #retrogaming

Show thread

C64Whiz Apr 3

Whew...gave me a little hassle as the plastic binding is only as big as Timex wanted. Had to fight a bit with the last few pages and back cover, but it's all back together. Time to put it away with it's machine again.

#RetroComputing #TimexSinclair1000 #ZX81