Case study

Virtua Tennis: a disc-local Dreamcast decompilation

Virtua Tennis decomp reconstructs the Dreamcast game's executable from a user-provided disc, first establishing a byte-matching assembly baseline and then substituting C for game functions. Its tools generate function tests and asset maps for models, textures, text and audio. The author reports C has been written for every function with a C form, with behavioral equivalence as the completion criterion.

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: 5
Last commit: 2026-11-09
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 personal USA Virtua Tennis V1.001 disc as .gdi track files and a Katana SDK are required.
Prerequisites: Python 3 and Docker are needed for the documented build; Linux x86_64 also has a documented local-tool alternative.
Testing evidence: The author reports 71% instruction test coverage across the C-capable functions.
License: No licence file in the repository.

Cite

BibTeX

@misc{virtua-tennis-dreamcast-decomp-case,
  title = {{Virtua Tennis: a disc-local Dreamcast decompilation}},
  howpublished = {\url{https://github.com/consolesplayingconsoles/virtua-tennis-decomp}},
  url = {https://github.com/consolesplayingconsoles/virtua-tennis-decomp},
  urldate = {2026-11-06},
  note = {Awesome REA entry: \url{https://awesomerea.org/resources/virtua-tennis-dreamcast-decomp-case/}}
}

Plain text

Virtua Tennis: a disc-local Dreamcast decompilation. https://github.com/consolesplayingconsoles/virtua-tennis-decomp (accessed 2026-11-06). Awesome REA entry: https://awesomerea.org/resources/virtua-tennis-dreamcast-decomp-case/

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Primary sources

README.md GitHub · consolesplayingconsoles/virtua-tennis-decomp · Revision 216f567