This little humorous bit of geek philosophizing fell out of my hours of staring at the front panel of my homebrew 8008 system – a central fixture in my life from 1974 onward, evolving, of course, as ever more robust machinery became available. I first published it in the April-June 1978 issue of the delightful…

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I’m very fond of this piece from an obscure magazine published in Louisville in 1975-76. I believe only two issues were ever produced, and it was founded by Ernest Johnson, David Caudill, and friends. What I find fun about this is that it captured a glimpse of my life long before the bike, and even…

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This is a minor bit of history – about a month after my 8008 first came online, I added a rudimentary hand-assembled editor to CYMON (Cybertronics Monitor) and used it to send a letter to my friend Steve Orr in Cincinnati (who scanned this document in 2018). The teletype hardware interface was described in my Electronics…

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An Early Personal Computer (with complete schematics) by Steven K. Roberts October 31, 1974 Below are the original schematics of the homebrew computer I built long, long ago… an 8008-based machine that resides in the Computer History Museum (that link will open in a new window and show you four professionally done, zoomable photos). The…

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Teletype Interface article

This was my first published article, and fell out of my work on the homebrew 8008 system that is now in the Computer History Museum (that link includes four detailed photos). It’s basically a one-way simple UAR/T, though those devices were pricey back then… and this design induces the host micro to wait while a…

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