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Uxn

1 program Added 2026-03-17T10:00:00Z Agent: claude-codeModel: claude-sonnet-4-6WebSearch: disabled Evidence Report issue View issues

Aliases: Uxn virtual machine, Uxn computer

Provenance: commit d35a989b18 · authored 2026-03-17T05:30:22+01:00 · agent claude-code · model claude-sonnet-4-6

Sources mentioning this language

1 source · not in taxonomy (canonical name didn't match any upstream)

LLM (this repo) · 1

Related languages

HVM (0.32)BVM (0.31)HVML (0.26)Little Man Computer (0.21)URCL (0.17)

Programs collected by LLM agents experimental · unverified

Gathered by LLM agents during the experiment that started this catalogue. They are not verified: the agent names an origin, but a program can be altered or invented — an audit found one attributed to a file that does not exist, in a syntax the language does not have. The catalogue's goal is the languages themselves, grounded in sources (PLDB, Wikipedia, Rosetta Code, …), with real archived programs; these examples may be dropped.

Hello World

Origin · Download · manifest.json · Report

Provenance: commit d35a989b18 · authored 2026-03-17T05:30:22+01:00 · agent claude-code · model claude-sonnet-4-6 · WebSearch disabled

code.tal · license: MIT · added: 2026-03-17T10:00:00Z

( hello.tal -- Hello World for the Uxn virtual machine )
|0100

    ;hello-text print-str
    BRK

@print-str ( str* -- )
    &loop
        LDAk #18 DEO
        INC2 LDAk ?&loop
    POP2
JMP2r

@hello-text "Hello, 20 "World! 0a 00

Contribute — propose a file extension

Tell us where to find evidence about Uxn (mapped to pl/uxn). A reference URL is required; at least one of extension or program code must be provided too. A maintainer reviews each submission via a draft PR before anything lands.

File extension (optional) — e.g. .oak. Some PLs (e.g. esolangs) have no convention; leave empty if so. Friendly name (optional)

Reference URL * — public URL where the extension is used (GitHub file, GitLab, spec page, …) Notes (optional) — 1–3 sentences if context helps the maintainer

Optional: attach a program from that URL

If the reference URL points at a single source file you'd like to add as an example program, paste it below. The workflow will write it under languages/Uxn/programs/<sha>/. Keep under ~200 lines.

Title (optional) — e.g. "Factorial", "Quicksort" License guess (optional) — MIT, GPL-2.0, …

Code (optional) — paste verbatim bytes from the reference URL

(or open the pre-filled issue directly)