Case study

Calico: Atari Jaguar DOOM port with renderer reverse engineering

Calico ports Atari Jaguar DOOM to PC while retaining the original game's behavior where possible. The author reverse engineered Jaguar-specific renderer assembly and cross-referenced gameplay assembly with related C sources; the port loads a user-supplied ROM or extracted jagdoom.wad.

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: 57
Last commit: 2024-01-10
Language: HTML
License (GitHub): MIT

GitHub data as of 2026-11-10

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Evidence

Observed: Code, documentation and a download method observed; no demo found.
Checked: 2026-11-09

How evidence classes are assigned

Requirements & limits

Prerequisites: A Jaguar DOOM ROM or extracted jagdoom.wad is required.
Limits: Music and multiplayer are unavailable, and demos can lose synchronization.
License: Original and 3DO-derived code uses MIT terms; Jaguar-derived code retains its original limited-use license, and calico-config uses GPL terms.

Cite

BibTeX

@misc{calico-doom-case,
  title = {{Calico: Atari Jaguar DOOM port with renderer reverse engineering}},
  howpublished = {\url{https://github.com/team-eternity/calico-doom}},
  url = {https://github.com/team-eternity/calico-doom},
  urldate = {2026-11-06},
  note = {Awesome REA entry: \url{https://awesomerea.org/resources/calico-doom-case/}}
}

Plain text

Calico: Atari Jaguar DOOM port with renderer reverse engineering. https://github.com/team-eternity/calico-doom (accessed 2026-11-06). Awesome REA entry: https://awesomerea.org/resources/calico-doom-case/

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About this entry

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Primary sources

README.md GitHub · team-eternity/calico-doom · Revision 6cccd65
COPYING-JAG.txt GitHub · team-eternity/calico-doom · Revision 6cccd65