Awesome Uxn

Curated list of awesome Uxn projects from the community.

The Uxn ecosystem is a personal computing playground, created to host small tools and games, programmable in its own unique assembly language.

Documentation

• Varvara - Technical documentation of the Varvara computer and a list of all its devices.
• Uxntal - Uxntal language reference manual.
• Uxntal opcode manual - List of Uxntal opcodes and their effects.
• Sprite format - .chr file format description.

Tutorials

• Uxn Tutorial by Compudanzas - Beginner-friendly tutorial guide which covers the basics of Uxn programming.
• Uxn Tutorial by Compudanzas(video) - Beginner-friendly video workshop which covers the basics of Uxn programming.
• Learn Uxntal in Y minutes - Quick Uxntal guide.
• Uxn implementation guide - Notes on how to implement the Uxn/Varvara virtual machine specification.
• macOS installation
• Windows installation
• Android installation - Guide for running Uxn on the Android operating system through Termux.

Emulators

• Desktop

  • Uxn(SDL2) - Cross-platform emulator.
  • Uxn32(windows) - Win32 emulator.
  • Uxn11(linux) - X11 emulator.
  • UxnFb(linux) - Zero-dependencies linux framebuffer emulator.
  • Uxn-lua - A port of the Uxn instruction set and Varvara virtual computer to Lua and the Love2D game engine.
  • Libretro port - Implementation for the Libretro emulation layer.
  • Webuxn - Lightweight port of the Uxn virtual machine to the web via WebAssembly.
  • EssenceOS - An implementation for the Essence operating system.
  • Varvara.jl - Assembler and emulator for Uxn ported to Julia.

• Other systems

  • Game Boy Advance - Complete.
  • Nintendo DS - Complete.
  • Playdate - Complete.
  • DOS - Implemented: Core, Screen, Mouse, Controller.
  • PlayStation Vita - Incomplete.
  • Raspberry Pi Pico - Implemented: Core, Screen.
  • Teletype - Incomplete.
  • ESP32 - Incomplete.
  • iOS - Incomplete.
  • STM32 - Incomplete.
  • STM32duino - Incomplete.
  • IBM PC - Incomplete.

• Misc

  • Grid - Incomplete.
  • Rockbox - Implemented: Core, Screen.
  • Logisim - Incomplete.
  • Adafruit PyBadge - Implemented: Core, Console, Screen, Controller.

Applications

• Creative

  • Left - Graphical plain-text editor with proportional fonts and Uxntal syntax highlighting.
  • Nasu - Spritesheet editor with the .chr format support.
  • Noodle - Illustration tool with animation capabilities.
  • Orca - Livecoding IDE.

• Utilities

  • Dexe - Graphical hex editor.
  • Calc - Graphical hexadecimal calculator.
  • Clock - Graphical clock.
  • Oscean - Static site generator.
  • Starling - Spreadsheet application.

• Games

  • Niju - Hiragana and katakana learning game.
  • Donsol - Card game about exploring a dungeon made of a standard 54 poker card set.
  • Flappy - Implementation of a Flappy Bird-like game.
  • Pong - Recreation of the classic Pong game.
  • Snake - Classic Snake game implementation.
  • Cat Cubes - Puzzle game about matching and clearing tiles from a board.
  • Minesweeper - Minesweeper port for Varavara.

• Networking

  • Xrxs - Experimental game server using the Plan 9 protocol 9p.
  • Uxnyap - Helper binary for generic abstract networking.

• Operating systems/REPLs

  • Collapse OS - Experimental Uxn port of Collapse OS.
  • Uxnfth - Uxn-native forth.

• Demos

  • Bad-apple-uxn - Bad Apple!! video on a single Uxn ROM.

• Libraries

  • regex - Regex parsing in uxn

Development tools

• IDEs

  • Learn-uxn - A web-based development environment with a text editor and up-to-date versions of Uxnasm and Uxnemu.

• Assemblers, compilers & disassemblers

  • Uxnasm - The original implementation of the Uxntal assembler in about 400 lines of ANSI C.
  • Asma - Uxntal assembler written in Uxntal itself.
  • Ruxnasm - Uxntal assembler focused on error reporting.
  • Uxncle - Compiler for a small subset of C to Uxn bytecode.
  • Pyuxncle - Python implementation of Uxncle.
  • Conch - Compiler for a C-like language with Lisp-like syntax to Uxn bytecode.
  • Uxn-ng - Uxntal assembler with bytecode annotating.
  • Uxnbruteforce - Tool for optimizing little pieces of Uxntal code.
  • Uxnlin - Linter for Uxntal.
  • Uxnbot - IRC bot for assembling and running small Uxntal snippets.
  • Pyuxntaldisasm - Very basic disassembler for Uxn ROMs.
  • Uxnasm-js - Uxntal assembler written in JavaScript.

• Uxntal language support

  • Emacs mode (alt 1 alt 2)
  • Kakoune plugin
  • Micro syntax
  • Nano syntax (mirror)
  • Sublime syntax
  • Vim plugin
  • Visual Studio Code extension

Metadevelopment tools

• Testing

  • Uxn-instruction-tests - Test suite for the Uxn CPU instruction set.
  • Uxntal-test-suite - Test suite for Uxntal.

• Benchmarking

  • Bunnymark - Render performance benchmark.

Community

• Lines
• #uxn on irc.esper.net
• #uxn on Merveilles