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antirez had Claude Code build a Z80 / ZX Spectrum emulator from scratch

The creator of Redis gave Claude Code the Z80 specs and documentation, and it built a working emulator.

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Earliest dated source: 3 Mar 2026

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From a short post by the maker, so the details are as they tell them.

  • Lemmy: Redis Creator Lets Claude Code Build a Z80 Emulator From Scratch — And It Nailed ItBlog or write-upantirez.com
    Published 3 Mar 2026

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What this is. Real projects where people used Claude to build, fix, port, revive or take apart something, from jailbroken Kindles to rebuilt DOS games, plus the times it went badly wrong. Every build links to where it was shared, and every source is listed here.

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