why only 1k of ram?

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Crayon21
Posts: 72
Joined: Sun Nov 04, 2018 2:33 am

why only 1k of ram?

Post by Crayon21 » Fri Mar 29, 2019 8:17 am

even the Vic 20 had more. the about zx80/81 section calls it massive. what's so massive about 1024 kb? curious to know :?:
zx81: great yet flawed
Zx spectrum: masterpiece that keeps on giving

(wish it weren't so expensive) :o

Lardo Boffin
Posts: 940
Joined: Sat Nov 26, 2016 2:42 am

Re: why only 1k of ram?

Post by Lardo Boffin » Fri Mar 29, 2019 12:32 pm

I suspect to keep costs down. The ZX81 was built to a cost more so than functionality level.
ZX80
ZX81 iss 1 (bugged ROM, kludge fix, normal, rebuilt)
Iss 3 ZXVid
TS 1000 iss 3, ZXPand AY, ZX8-CCB, ZX-KDLX & ChromaSCART
TS 1500
TS 2000
Spectrum 16k (iss 1 s/n 1499)
Various Spectrum 48ks plus a DIVMMC future and SPECTRA

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