Practical Electronics CHAMP/Tangerine Microtan 65

From: David Comley <>
Date: Thu May 22 16:40:01 2003

> or make a processor from scratch (either using TTL,
> or if you insist, an
> FPGA). Either is more fun and less work than trying
> to get the parts for
> the CHAMP, and then finding you've blown one by
> making a wrong connection
> and that you can't get a replacement for it...

Since you mention it, I had been thinking about
designing and building a processor from scratch from
TTL devices. I am slowly accumulating TTL chips as I
come across them at hamfests and things. Perhaps it's
time to put pencil to paper.

Of course I could take the NASA Apollo Guidance
Computer approach and build everything welded-cordwood
style out of NOR gates.

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Received on Thu May 22 2003 - 16:40:01 BST

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