{
  "added_at": "2026-11-09",
  "additional_evidence_urls": [
    "https://github.com/team-eternity/calico-doom/blob/6cccd655637f5c4107ff94642364aee9a201a928/COPYING-JAG.txt"
  ],
  "category": "reconstruction-cases",
  "class": "game",
  "description_en": "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.",
  "description_zh": "Calico 将 Atari Jaguar 版 DOOM 移植到 PC，并尽量保留原版行为。作者逆向分析了 Jaguar 专用渲染器汇编代码，并用相关 C 源码交叉核对游戏逻辑；程序读取玩家提供的 ROM 或提取出的 jagdoom.wad。",
  "entry_url": "https://awesomerea.org/resources/calico-doom-case/",
  "entry_url_zh": "https://awesomerea.org/zh/resources/calico-doom-case/",
  "evidence_class": 2,
  "evidence_status": "observed",
  "evidence_url": "https://github.com/team-eternity/calico-doom/blob/6cccd655637f5c4107ff94642364aee9a201a928/README.md",
  "group": "cases",
  "id": "calico-doom-case",
  "json_url": "https://awesomerea.org/resources/calico-doom-case/record.json",
  "kind": "case-study",
  "markdown_url": "https://awesomerea.org/resources/calico-doom-case/index.md",
  "markdown_url_zh": "https://awesomerea.org/zh/resources/calico-doom-case/index.md",
  "name": "Calico: Atari Jaguar DOOM port with renderer reverse engineering",
  "name_zh": "Calico：含渲染器逆向分析的 Atari Jaguar DOOM 移植",
  "reconstruction_method": "port",
  "record_type": "resource",
  "relationship": "independent-reconstruction",
  "requirement_facets": [
    "prerequisites",
    "limits",
    "license"
  ],
  "requirements": [
    "A Jaguar DOOM ROM or extracted jagdoom.wad is required.",
    "Music and multiplayer are unavailable, and demos can lose synchronization.",
    "Original and 3DO-derived code uses MIT terms; Jaguar-derived code retains its original limited-use license, and calico-config uses GPL terms."
  ],
  "requirements_zh": [
    "需要 Jaguar DOOM ROM 或提取出的 jagdoom.wad。",
    "音乐和多人游戏尚不可用，演示回放仍可能失去同步。",
    "原创及源自 3DO 的代码采用 MIT 条款；源自 Jaguar 的代码保留原有限用途许可证，calico-config 采用 GPL 条款。"
  ],
  "scope": "unknown",
  "targets": [
    "game"
  ],
  "url": "https://github.com/team-eternity/calico-doom",
  "verification": "source-reviewed",
  "verified_at": "2026-11-06"
}