An 8-bit computer designed and built by Jack Eisenmann, a high school student.


Click on the links below to see more information.

View Video Demonstrations
See Photo Gallery
Machine Description
JavaScript Assembler and Emulator
A Faster Emulator Made by Robert Vandiver
Source Assembly Code of Main Memory
Board Layout
Second Draft Schematics
List of Chips to be Used
An Old Plan for the Machine

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Homebuilt CPUs WebRing

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Join the ring?

David Brooks, designer of the Simplex-III homebrew computer, has founded the Homebuilt CPUs Web Ring.  To join, drop Dave a line, mentioning your page's URL. It will then be added to the list. You will also need to copy this code fragment into your page.