Bazsites.com Zx81

Directory Topics

ZX81 Virtual Community - Contains links, a scanned copy of the ZX81 manual as well as ZXTAPE, a DOS-based utility to transfer ZX81 software from a PC to a ZX81 or tape recorder, and to transfer ZX81 software from tape back to PC.
ZX81 Stuff - Collection of ZX81-related documentation plus hardware and software projects.
Sinclair ZX81 FAQ - Some common questions about the ZX81.
ZX81 - Planet Sinclair - Information, photos and resources for the Sinclair ZX80, including a detailed account of its development extracted from Ian Adamson and Richard Kennedy's book "Sinclair and the Sunrise Technology".
Obsolete Computer Museum's ZX-81 Page - Technical specifications and pictures of the Sinclair ZX81 with comments from other ZX81 owners.
Sinclair ZX81 Benchtest - Article from Personal Computer World by David Tebbutt.
Rodney Knaap: Build your own ZX81 - ZX81 hardware website featuring a project for building your own ZX81 with discrete components as well as Wilf Rigter's ZX97. In English, Dutch and German.
Sinclair ZX81 Collection - Collection of original Sinclair ZX81 hardware, software and literature. Photos and description for each item.
ZX81 Home Page - A ZX81 FAQ, emulator and software links.
ZX81 Download Page - A ZX81 software archive.

Sinclair ZX81 - The Sinclair ZX81 home computer, released by Sinclair Research in 1981, was the follow up to the company's ZX80.
ZX Spectrum - The ZX Spectrum is a home computer released in the United Kingdom in 1982 by Sinclair Research Ltd. Originally dubbed the ZX81 Colour and ZX82, the machine was later renamed the ZX Spectrum by Sinclair to highlight the machine's colour display, compared to the black-and-white of its predecessor, the Sinclair ZX81..
Vortex Software - Vortex Software was a video game developer founded by Costa Panayi and Paul Canter in the early 1980s to sell the game Cosmos which Panayi had developed for the Sinclair ZX81"Flying Low" article from Sinclair User issue 32; interview with Costa Panayi. They converted the game to the ZX Spectrum, but due to the low sales of the ZX81 version they licensed the game to Abbex.
Lambda 8300 - Lambda 8300 was a Sinclair ZX81 clone from Lambda Electronics Limited. It wasn't a straight clone as the original ROM is a new one but it could be fitted with a ZX81 ROM and become compatible.
Ringo R470 - Ringo R470 was a Brazilian clone of the Sinclair ZX81 by Ritas do Brasil. It has a Z80A at 3.