Case study

Mother: a checksum-checked Famicom/NES disassembly

Mother reconstructs the Famicom/NES game as assembly for its Japanese release and English localization. Configuration splits banks and version-specific assets from user-supplied ROMs; build scripts produce NES 2.0 ROMs and compare their checksums with the selected originals. The assembly separates game data, object scripts, vectors, music, and other code.

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: 20
Last commit: 2026-11-08
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: Python and cc65 are required; the instructions cover Windows and WSL2 Ubuntu.
Prerequisites: Supply a supported Japanese Mother or English Earthbound Beginnings ROM.
Limits: The author says substantial work remains, especially for the Japanese version and symbol naming.
License: No licence file in the repository.

Cite

BibTeX

@misc{mother-nes-disassembly-case,
  title = {{Mother: a checksum-checked Famicom/NES disassembly}},
  howpublished = {\url{https://github.com/Nathan-R-Og/mother}},
  url = {https://github.com/Nathan-R-Og/mother},
  urldate = {2026-11-06},
  note = {Awesome REA entry: \url{https://awesomerea.org/resources/mother-nes-disassembly-case/}}
}

Plain text

Mother: a checksum-checked Famicom/NES disassembly. https://github.com/Nathan-R-Og/mother (accessed 2026-11-06). Awesome REA entry: https://awesomerea.org/resources/mother-nes-disassembly-case/

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Primary sources

README.md GitHub · Nathan-R-Og/mother · Revision e0b3e3f