Case study

Sonic the Hedgehog: a generated Sega Master System disassembly

Sonic the Hedgehog disassembles the Sega Master System game from a user-supplied ROM. A Python unpacker and annotation file generate Z80 assembly, which WLA-DX assembles into an output ROM; the repository also includes ROM asset-location and level-viewing tools.

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: 4
Last commit: 2026-02-26
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: Supply the Sega Master System Sonic the Hedgehog ROM as baserom/sonic1.sms.
Prerequisites: WLA-DX, Python 3, GNU Make and mypy are required for the documented build.
Limits: The disassembly is a work in progress, and the asset-location tool is described as out of date.
License: No licence file in the repository.

Cite

BibTeX

@misc{sonic-master-system-disassembly-case,
  title = {{Sonic the Hedgehog: a generated Sega Master System disassembly}},
  howpublished = {\url{https://github.com/iamgreaser/s1smsdisasm-gm}},
  url = {https://github.com/iamgreaser/s1smsdisasm-gm},
  urldate = {2026-11-06},
  note = {Awesome REA entry: \url{https://awesomerea.org/resources/sonic-master-system-disassembly-case/}}
}

Plain text

Sonic the Hedgehog: a generated Sega Master System disassembly. https://github.com/iamgreaser/s1smsdisasm-gm (accessed 2026-11-06). Awesome REA entry: https://awesomerea.org/resources/sonic-master-system-disassembly-case/

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Primary sources

README.txt GitHub · iamgreaser/s1smsdisasm-gm · Revision 91e9dd6
Makefile GitHub · iamgreaser/s1smsdisasm-gm · Revision 91e9dd6