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/* Links */
== Links ==
*[https://youtu.be/DElx9pk2oks ZX81 advertisements]
*[https://www.timexsinclair.com/ Timex Sinclair - The Authoritative Website]
*[https://problemkaputt.de/zxdocs.htm Noca$h's ZXdocs]
*[https://oldcomputer.info/8bit/zx81/ULA/ula.htm ZX81 ULA replacement] [[Media:Esquemas ZX81 ULA Andy Rea printable.pdf|ZX81 Project]]
