Case study

Little Sound Dj: matching Game Boy disassembly and C recovery

The LSDj project reconstructs Little Sound Dj 9.4.0 with symbol maps, matching C functions and an RGBDS assembly tree generated from the user's ROM. Its tools trace reachable code, recover code/data boundaries and compare rebuilt bytes; documentation covers the music data model, save format and link-cable synchronization.

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

Stars: 1
Last commit: 2026-10-15
Language: C

GitHub data as of 2026-11-09

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Requirements & limits

Prerequisites: Requires the user's copy of the LSDj 9.4.0 ROM.
Prerequisites: Requires RGBDS v1.0.1, make and Python 3; matching C also uses the recovered GBDK/SDCC toolchain.
Limits: The C reconstruction is partial; the author reports 678 matching functions.
License: MIT license.

Cite

BibTeX

@misc{lsdj-9-4-0-decomp-case,
  title = {{Little Sound Dj: matching Game Boy disassembly and C recovery}},
  howpublished = {\url{https://github.com/gmoben/lsdj-decompiled}},
  url = {https://github.com/gmoben/lsdj-decompiled},
  urldate = {2026-11-06},
  note = {Awesome REA entry: \url{https://awesomerea.org/resources/lsdj-9-4-0-decomp-case/}}
}

Plain text

Little Sound Dj: matching Game Boy disassembly and C recovery. https://github.com/gmoben/lsdj-decompiled (accessed 2026-11-06). Awesome REA entry: https://awesomerea.org/resources/lsdj-9-4-0-decomp-case/

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Primary sources

README.md GitHub · gmoben/lsdj-decompiled · Revision 96bdca6
LICENSE GitHub · gmoben/lsdj-decompiled · Revision 96bdca6