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Have some fun! Explore the 2 articles tagged with clock.

Building a Flip-Style Digital Clock on the ZX81

Posted Dec 22, 2025 by Steven in ZX81 Computer 5 min read

Flip-style digital clock running on the ZX81, 2025 by Steven Reid

I’d been thinking about writing a better clock program for the ZX81 for some time but never acted on it. That is, until yesterday when I saw a flip-style digital clock program on the C64. The result is a sort of digital flip clock program for the ZX81 that ended up being quite a fun journey.

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# clock² # font¹ # monthly¹⁷² # retro¹²⁸ # zx81²¹⁶

ZX81 Nixie Clock

Posted Aug 29, 2013 by Steven in ZX81 Computer 2 min read

While searching for some code examples I ran across this inventive hardware expansion. Michel created a ZX81 Nixie Clock and has been kind enough to share his creation with the world through Facebook.

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# clock² # expansion¹ # facebook³ # geocities⁷ # hardware³ # nixie¹ # tube¹ # vacuum¹ # website¹² # zx81²¹⁶