Case study

GT Advance 3: matching GBA ROM reconstruction

GT Advance 3 reconstructs the US Game Boy Advance ROM from C, assembly and registered data generators. The author reports an 8 MiB byte-identical build and tracks compiler-generated C matches separately from assembly-backed functions and preserved data payloads.

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

Stars: 2
Last commit: 2026-11-06
Language: C
License (GitHub): CC0-1.0

GitHub data as of 2026-11-09

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Requirements & limits

Prerequisites: Python 3.11+, GNU Make, Git, a host C/C++ compiler, Clang, ARM GCC/binutils, shasum and pyelftools are required for the documented build.
Prerequisites: A user-owned US ROM named baserom.gba is required for comparison.
Limits: Some functions remain assembly-backed, and some data payloads are preserved or extracted from the reference ROM.
License: CC0-1.0 applies to the project's reconstruction, tooling and documentation.

Cite

BibTeX

@misc{gt-advance-3-decomp-case,
  title = {{GT Advance 3: matching GBA ROM reconstruction}},
  howpublished = {\url{https://github.com/722rsr/gtadv3-decomp}},
  url = {https://github.com/722rsr/gtadv3-decomp},
  urldate = {2026-11-06},
  note = {Awesome REA entry: \url{https://awesomerea.org/resources/gt-advance-3-decomp-case/}}
}

Plain text

GT Advance 3: matching GBA ROM reconstruction. https://github.com/722rsr/gtadv3-decomp (accessed 2026-11-06). Awesome REA entry: https://awesomerea.org/resources/gt-advance-3-decomp-case/

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Primary sources

README.md GitHub · 722rsr/gtadv3-decomp · Revision 76ef122
LICENSE GitHub · 722rsr/gtadv3-decomp · Revision 76ef122