Case study

Final Fantasy VI: a three-version ROM disassembly

Final Fantasy VI Disassembly reconstructs assembly and game data for the Japanese Super Famicom and two US SNES releases, using ca65 and ld65 to build ROMs. Its scripts extract required data from a user-provided ROM; the Japanese build fills unused regions with 0xFF and has a different CRC32 from the original.

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

Stars: 93
Last commit: 2026-09-14
Language: Assembly
License (GitHub): GPL-3.0

GitHub data as of 2026-11-09

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Requirements & limits

Prerequisites: A headerless original Final Fantasy VI ROM for each language to build, plus a Unix-like shell, GNU Make, cc65 and Python 3.
Limits: The Japanese ROM build differs byte-for-byte from the original in unused regions.
License: GPL-3.0 license.

Cite

BibTeX

@misc{final-fantasy-vi-disassembly-case,
  title = {{Final Fantasy VI: a three-version ROM disassembly}},
  howpublished = {\url{https://github.com/everything8215/ff6}},
  url = {https://github.com/everything8215/ff6},
  urldate = {2026-11-06},
  note = {Awesome REA entry: \url{https://awesomerea.org/resources/final-fantasy-vi-disassembly-case/}}
}

Plain text

Final Fantasy VI: a three-version ROM disassembly. https://github.com/everything8215/ff6 (accessed 2026-11-06). Awesome REA entry: https://awesomerea.org/resources/final-fantasy-vi-disassembly-case/

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Primary sources

README.md GitHub · everything8215/ff6 · Revision 8130132