Case study

Illbleed decomp: reconstructing the Dreamcast executable

Illbleed decomp reconstructs the Japanese Dreamcast game's executable from a user-supplied disc. Its scripts generate per-function SH-4 assembly, maps and model information, then compare rebuilt bytes and test recovered C for behavioral equivalence. The author reports 2,049 named functions and no completed C functions in the published progress table.

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

Stars: 1
Last commit: 2026-10-27
Language: Python

GitHub data as of 2026-11-10

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Requirements & limits

Prerequisites: An ILLBLEED T45601M V1.003 Japanese disc image in .gdi format with its track files is required.
Prerequisites: Python 3, a Katana SDK, and Docker are required; Linux x86_64 can use wibo instead of Docker.
Limits: The published progress table lists no completed C functions.
License: No licence file in the repository.

Cite

BibTeX

@misc{illbleed-decomp-case,
  title = {{Illbleed decomp: reconstructing the Dreamcast executable}},
  howpublished = {\url{https://github.com/consolesplayingconsoles/illbleed-decomp}},
  url = {https://github.com/consolesplayingconsoles/illbleed-decomp},
  urldate = {2026-11-06},
  note = {Awesome REA entry: \url{https://awesomerea.org/resources/illbleed-decomp-case/}}
}

Plain text

Illbleed decomp: reconstructing the Dreamcast executable. https://github.com/consolesplayingconsoles/illbleed-decomp (accessed 2026-11-06). Awesome REA entry: https://awesomerea.org/resources/illbleed-decomp-case/

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Primary sources

README.md GitHub · consolesplayingconsoles/illbleed-decomp · Revision 6fb148f