ZX81 Classic PC

ZX81 overview and demo! The Sinclair ZX81 (known in the US as the Timex Sinclair 1000) was my first computer, and here I look back to its revolutionary hardware and programming. I also run some ZX81 games that I published in the magazine “Sinclair Programs” in 1982. The ZX81 emulator shown in this video can be found on Simon Holdsworth’s fantastic website at: The listings for the two programs I demonstrate can be found on this page: If you like this video, you may also like my report on early PCs at the National Museum of Computing: More videos on computing and related topics can be found at: You may also like my ExplainingTheFuture channel at: