Case study

Harvest Moon: Back to Nature: a byte-matching PlayStation decompilation

Harvest Moon: Back to Nature reconstructs the USA PlayStation release SLUS_011.15 as matching C source. It rebuilds the executable and 13 overlays byte for byte, and can check a full disc image against SHA-1 hashes when supplied with the user's disc. The build records one SDK-word patch and original padding bytes as exceptions.

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

Stars: 56
Last commit: 2026-10-13
Language: C
License (GitHub): CC0-1.0

GitHub data as of 2026-11-09

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Requirements & limits

Prerequisites: Requires the user's original disc to rebuild and check the full disc image; code binaries can be built without game data.
Prerequisites: The documented build uses Docker, CMake and Ninja.
Limits: One SDK word and some padding bytes are restored through build exceptions rather than compiled source.
License: CC0-1.0 covers the repository's own work; tools/maspsx has a separate license.

Cite

BibTeX

@misc{harvest-moon-back-to-nature-decomp-case,
  title = {{Harvest Moon: Back to Nature: a byte-matching PlayStation decompilation}},
  howpublished = {\url{https://github.com/coalslav/hmbtn-decomp}},
  url = {https://github.com/coalslav/hmbtn-decomp},
  urldate = {2026-11-06},
  note = {Awesome REA entry: \url{https://awesomerea.org/resources/harvest-moon-back-to-nature-decomp-case/}}
}

Plain text

Harvest Moon: Back to Nature: a byte-matching PlayStation decompilation. https://github.com/coalslav/hmbtn-decomp (accessed 2026-11-06). Awesome REA entry: https://awesomerea.org/resources/harvest-moon-back-to-nature-decomp-case/

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Primary sources

README.md GitHub · coalslav/hmbtn-decomp · Revision a2dd23e