Case study

BFM-decomp: Brave Fencer Musashi matching decompilation

Documents an agent-assisted reconstruction of the USA PlayStation game with a pinned compiler and whole-binary SHA-1 gates. The verification recipe covers the main executable, resident engine and disc-loaded code modules, with explicit library and assembly exceptions.

Targets: Binary · Game
Category: Independent reconstruction cases
Relationship: Independent reconstruction project
Sources reviewed: 2026-10-20

Requirements & limits

Requires an owned USA SLUS-00726 disc dump, Linux/WSL2, Python 3.12 and the documented pinned GCC 2.7.2/MIPS toolchain. Optional PsyQ SDK objects must be supplied separately.
AGPL-3.0 applies to the project’s tools and documentation. src/NOTICE.md asserts no license over the reconstructed game code, whose original rights belong to Square/Square Enix; third-party components retain their own licenses.
The 218-binary matching contract is an upstream claim backed by its recipe and a recorded full run dated September 7, 2026. That log is for an earlier tree, not this reviewed HEAD. SDK/assembly exceptions and unfinished readability remain documented; public no-ROM CI audits and compiles but cannot perform the original-byte comparison.

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The description was reviewed against primary sources.

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Primary sources

README.md GitHub · Druthulu/BFM-decomp · Revision b6a28f9
docs/verification.md GitHub · Druthulu/BFM-decomp · Revision b6a28f9
Makefile GitHub · Druthulu/BFM-decomp · Revision b6a28f9
LICENSE GitHub · Druthulu/BFM-decomp · Revision b6a28f9
src/NOTICE.md GitHub · Druthulu/BFM-decomp · Revision b6a28f9
THIRD_PARTY.md GitHub · Druthulu/BFM-decomp · Revision b6a28f9

Requirements & limits

About this entry

Primary sources

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