Case study

Civilization II: matching decompilation of two PlayStation executables

Civilization II is being decompiled for the North American PlayStation release SLUS-00792. The project splits both the title/setup executable and the main strategy-engine executable, rebuilds them from C and assembly, and compares full binaries. The author reports byte-identical builds of both executables while matching C covers only part of the game functions.

Targets: Game
Category: Independent reconstruction cases
Relationship: Independent reconstruction project
Sources reviewed: 2026-11-06

Stars: 0
Last commit: 2026-10-09
Language: Assembly

GitHub data as of 2026-11-09

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Requirements & limits

Prerequisites: The build uses PsyQ GCC 2.7.2, maspsx, MIPS GNU binutils, Python 3, and splat.
Scope: The original North American PlayStation release SLUS-00792 is the target.
Limits: Matching C is incomplete; the author reports 54.4% of combined game functions matched.
License: No licence file in the repository.

Cite

BibTeX

@misc{civilization-ii-ps1-case,
  title = {{Civilization II: matching decompilation of two PlayStation executables}},
  howpublished = {\url{https://github.com/nikitastaf1996/civ2_decomp}},
  url = {https://github.com/nikitastaf1996/civ2_decomp},
  urldate = {2026-11-06},
  note = {Awesome REA entry: \url{https://awesomerea.org/resources/civilization-ii-ps1-case/}}
}

Plain text

Civilization II: matching decompilation of two PlayStation executables. https://github.com/nikitastaf1996/civ2_decomp (accessed 2026-11-06). Awesome REA entry: https://awesomerea.org/resources/civilization-ii-ps1-case/

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About this entry

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Primary sources

README.md GitHub · nikitastaf1996/civ2_decomp · Revision d22c831
Makefile GitHub · nikitastaf1996/civ2_decomp · Revision d22c831