Case study

Yu-Gi-Oh! Forbidden Memories: matching PS1 decompilation

Reconstructs the NTSC-U PlayStation release of Yu-Gi-Oh! Forbidden Memories as C compiled with the original PsyQ toolchain. The author reports byte-identical output for all 1,120 in-scope game functions; PsyQ library code and original hand-written assembly remain outside that C scope.

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: 2
Last commit: 2026-09-27
Language: Assembly

GitHub data as of 2026-11-10

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Evidence

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

How evidence classes are assigned

Requirements & limits

Prerequisites: A legally owned disc with SLUS_014.11 and a separate PsyQ SDK copy are required.
Prerequisites: The build uses PsyQ 4.5 cc1psx, MIPS binutils, maspsx, decomp-permuter, m2c, Python and splat64[mips].
Scope: The author reports matching for 1,120 in-scope game functions; PsyQ library functions and original hand-written assembly remain outside that scope.
License: No licence file in the repository.

Cite

BibTeX

@misc{yu-gi-oh-forbidden-memories-ps1-decomp-case,
  title = {{Yu-Gi-Oh! Forbidden Memories: matching PS1 decompilation}},
  howpublished = {\url{https://github.com/MaChInEgUn3/ygofm-decomp}},
  url = {https://github.com/MaChInEgUn3/ygofm-decomp},
  urldate = {2026-11-06},
  note = {Awesome REA entry: \url{https://awesomerea.org/resources/yu-gi-oh-forbidden-memories-ps1-decomp-case/}}
}

Plain text

Yu-Gi-Oh! Forbidden Memories: matching PS1 decompilation. https://github.com/MaChInEgUn3/ygofm-decomp (accessed 2026-11-06). Awesome REA entry: https://awesomerea.org/resources/yu-gi-oh-forbidden-memories-ps1-decomp-case/

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Primary sources

README.md GitHub · MaChInEgUn3/ygofm-decomp · Revision 1b620d1