The story of a Z80 homebrew on breadboard

An interesting and long-running thread over on mastodon, as niconiconi designs, builds, and debugs a Z80 system on a breadboard. A calculation of digits of pi goes wrong, and is eventually traced to a memory timing problem.

Entropy seems to be winning, when it comes to the implementation:

The start of the thread is here, I think.

The second implementation is on home-built PCB:


Oh wow, that is some breadboard set-up. :slight_smile:

Not sure I would go this route: I might used a wire-wrap board instead.

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