It is possible to design a relatively powerful processor with a very small amount of logic circuitry, provided that the architecture and the instructions are carefully built for a concrete application.
74 logic circuits are still very useful today, new families with better parameters come out, old circuits are removed and new ones added.
Thanks to this project, I learned a lot about CPU design, logic circuits and logic simulation. I hope it will inspire other projects.
Build something that uses or abuses a logic chip and get amazing boards, tools, and other swag. The Open 7400 Logic Competition promotes awareness of the basic building blocks of modern circuits. Devious geeks ignited the computer revolution with discrete logic computers, what can you do? Details and entry form here.
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