Case study

SuperMarioWorldRecomp: statically recompiling Super Mario World

This recompiles Super Mario World for the SNES into C with snesrecomp. The 65816 code becomes functions in src/gen. PPU, APU, DMA, and registers stay in a C reimplementation of the SNES hardware. SuperMarioWorldSNESRecomp.exe or the Linux AppImage asks for a USA ROM in sfc or smc form and remembers the path in rom.cfg. The README says Yoshi's Island and Donut Plains were played through, and Vanilla Dome was in progress. Worlds 4 through 7 were not hand-verified.

Targets: Game
Category: Independent reconstruction cases
Relationship: Independent reconstruction project
Sources reviewed: 2026-11-07
Evidence class: C1 partial scope or analysis entry

Stars: 168
Last commit: 2026-11-09
Language: C

GitHub data as of 2026-11-10

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Evidence

Demo screenshot from the project's public documentation

Observed: Code, documentation, download and demo observed; a full-reconstruction candidate for manual Class 0 review.
Scope: Partial
Checked: 2026-11-09

How evidence classes are assigned

Requirements & limits

A USA Super Mario World ROM in sfc or smc form. Windows for the zip release, or Linux for the AppImage.
License: PolyForm Noncommercial 1.0.0 for this project's covered code. Vendored code under third_party keeps its own licenses.

Cite

BibTeX

@misc{smw-recomp,
  title = {{SuperMarioWorldRecomp: statically recompiling Super Mario World}},
  howpublished = {\url{https://github.com/mstan/SuperMarioWorldRecomp}},
  url = {https://github.com/mstan/SuperMarioWorldRecomp},
  urldate = {2026-11-07},
  note = {Awesome REA entry: \url{https://awesomerea.org/resources/smw-recomp/}}
}

Plain text

SuperMarioWorldRecomp: statically recompiling Super Mario World. https://github.com/mstan/SuperMarioWorldRecomp (accessed 2026-11-07). Awesome REA entry: https://awesomerea.org/resources/smw-recomp/

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Primary sources

README.md GitHub · mstan/SuperMarioWorldRecomp · Revision 2c52fbc