Case study

Phantasy Star Online Ver. 2: a hybrid Dreamcast matching decompilation

Phantasy Star Online Ver. 2 is being reconstructed from C/C++ and typed static data for its European Dreamcast release. Complete function ranges are compared with the decoded executable; unmatched code is supplied through fallback assembly generated from the user's dump. The author reports that the matching source covers part of the executable.

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: 3
Last commit: 2026-11-06
Language: C

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: A matching European MK-5119350 V1.000 game dump is required.
Prerequisites: Linux setup uses the pinned CodeWarrior for Dreamcast 2.4 compiler; some SDK units use Hitachi SHC.
Limits: The author reports that much code remains fallback assembly and some data remains extracted from the dump.
License: No licence file in the repository.

Cite

BibTeX

@misc{phantasy-star-online-ver-2-dreamcast-case,
  title = {{Phantasy Star Online Ver. 2: a hybrid Dreamcast matching decompilation}},
  howpublished = {\url{https://github.com/finalbillybong/pso_ver2_dc_decomp}},
  url = {https://github.com/finalbillybong/pso_ver2_dc_decomp},
  urldate = {2026-11-06},
  note = {Awesome REA entry: \url{https://awesomerea.org/resources/phantasy-star-online-ver-2-dreamcast-case/}}
}

Plain text

Phantasy Star Online Ver. 2: a hybrid Dreamcast matching decompilation. https://github.com/finalbillybong/pso_ver2_dc_decomp (accessed 2026-11-06). Awesome REA entry: https://awesomerea.org/resources/phantasy-star-online-ver-2-dreamcast-case/

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About this entry

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Primary sources

README.md GitHub · finalbillybong/pso_ver2_dc_decomp · Revision ff6f8e0
docs/PROGRESS.md GitHub · finalbillybong/pso_ver2_dc_decomp · Revision ff6f8e0