Case study

JUS Decomp: a native port of the Nintendo DS game JUS

JUS Decomp statically recompiles the Nintendo DS game JUS into a native Windows and Linux port using ndsrecomp and a ROM supplied by the player. Its repository includes ARM9 and ARM7 decompilation metadata, runner patches, a reference-checking pipeline and runtime mod support.

Targets: Game
Category: Independent reconstruction cases
Relationship: Independent reconstruction project
Sources reviewed: 2026-11-06
Evidence class: C2 code & docs, no demo or download

Stars: 7
Last commit: 2026-09-02
Language: Assembly

GitHub data as of 2026-11-10

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Evidence

Observed: Code, documentation and a download method observed; no demo found.
Checked: 2026-11-09

How evidence classes are assigned

Requirements & limits

Prerequisites: A personally dumped, unmodified JUS ROM is required; the build checks its SHA-1 hash.
Prerequisites: Python 3.11 or later and ds-decomp are required for the documented build pipeline.
Prerequisites: Windows builds require MSYS2 UCRT64, GCC, SDL2, Ninja, CMake and Visual Studio Build Tools 2022; Linux builds require CMake, Ninja, GCC, SDL2, GTK3 development files, Git and Python.
License: The repository's code, scripts and documentation are licensed under MIT.

Cite

BibTeX

@misc{jus-decomp-case,
  title = {{JUS Decomp: a native port of the Nintendo DS game JUS}},
  howpublished = {\url{https://github.com/piuzera/JUSDecomp}},
  url = {https://github.com/piuzera/JUSDecomp},
  urldate = {2026-11-06},
  note = {Awesome REA entry: \url{https://awesomerea.org/resources/jus-decomp-case/}}
}

Plain text

JUS Decomp: a native port of the Nintendo DS game JUS. https://github.com/piuzera/JUSDecomp (accessed 2026-11-06). Awesome REA entry: https://awesomerea.org/resources/jus-decomp-case/

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Primary sources

README.md GitHub · piuzera/JUSDecomp · Revision 6a061e3