How to build your own ZX80/ZX81!
This page details the construction of your own ZX80. Follow this link to build an NMI generator which, when used with the ZX80 circuit detailed below and the ZX81 ROM, will produce a FULLY FUNCTIONING ZX81 USING OFF-THE-SHELF COMPONENTS!
(last updated 15th January 1999 )

• Introduction
• Construction
• Parts List
• Circuit Diagram
• ROM images
• Keyboard overlay
• Pictures of the finished ZX80
• Screen shots
• Software

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