Sinclair ZX80 / ZX81 / Z88 Forums

Thanks, always happy with long answers, interesting that you choose to use a vector representation but that is indeed the ideal approach for longevity and, er, scalability, and I guess means the hit detection and encoding is handled for you rather than with a magic multiline algebraic transformation...

Samsung also made 10,000 Sinclair QLs for the US market, with RF screening and D type rather than phone serial and joystick sockets. I have one of those, arguably the best QL ever (apart from the JSU ROM... but this is ZX land). Of course IBM never made any hardware for Sinclair, don't believe all y...

Google "motherboard chopping boards" (in the UK, at least) and look closely. Only 4 black chips, all in 0.6" DIL packages. Yes, that is a Zx81/TS1000 board, facsimile about ten times original size, under glass. I bought three from iwoot.com recently, but originally saw it on the CPC site, which I am...

Nice App and I'm pleased to see the ZX80 support but was thrown by the ZX81 key legends. Any chance of switching to a ZX80 layout when that ROM is selected, please?

Hiya, my first ZX81 was a kit bought and built for my brother when I was a teenager. I piggybacked extra 2114s to increase the RAM, having done much the same with 4116 DRAMs for my Video Genie - at 1.7 MHz that was notionally half the speed of the ZX but I still used it to write most of my Comp Sci ...