Uploaded July 2026 | Updated September 2026, 2 weeks ago

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The history of the Sinclair ZX Spectrum up to early 1985.

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Sources:
Spectrum history: web.archive.org/web/20120205200915/http://www.nvg.ntnu.no/sinclair/computers/zxspectrum/spec_sst.htm
Kempston interface: en.wikipedia.org/wiki/Kempston_Micro_Electronics
Interface 1: en.wikipedia.org/wiki/ZX_Interface_1
Interface 2: en.wikipedia.org/wiki/ZX_Interface_2
Microdrive: en.wikipedia.org/wiki/ZX_Microdrive
Sinclair User, Your Computer & ZX Computing magazines
Richard Altwasser interview: archive.org/details/your-computer-magazine-1982-07/page/n37/mode/2up
AY-3-8912 sound chip: en.wikipedia.org/wiki/General_Instrument_AY-3-8910
Timex Sinclair 2068: en.wikipedia.org/wiki/Timex_Sinclair_2068
Timex Sinclair 2048: en.wikipedia.org/wiki/Timex_Computer_2048
Timex Sinclair 2068: timexsinclair.com/computers/timex-sinclair-2068/index.html
Spectrum history: en.wikipedia.org/wiki/ZX_Spectrum

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