Case study

Chrono Trigger: a frame-checked native C reimplementation

Chrono Trigger Reimplemented ports the USA SNES game to handwritten C and compares ported routines frame by frame against the original ROM. Its development runtime combines native routines with generated C and a 65816 interpreter while the attract sequence, field, menu, event and battle systems are being ported.

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: 13
Last commit: 2026-11-10
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: The user's Chrono Trigger USA ROM matching the documented checksum is required.
Limits: Native porting is partial; the author reports shadow-mode validation over 26 input movies.
License: No licence file in the repository.

Cite

BibTeX

@misc{chrono-trigger-reimplemented-case,
  title = {{Chrono Trigger: a frame-checked native C reimplementation}},
  howpublished = {\url{https://github.com/zdiemer/chrono-trigger-reimplemented}},
  url = {https://github.com/zdiemer/chrono-trigger-reimplemented},
  urldate = {2026-11-06},
  note = {Awesome REA entry: \url{https://awesomerea.org/resources/chrono-trigger-reimplemented-case/}}
}

Plain text

Chrono Trigger: a frame-checked native C reimplementation. https://github.com/zdiemer/chrono-trigger-reimplemented (accessed 2026-11-06). Awesome REA entry: https://awesomerea.org/resources/chrono-trigger-reimplemented-case/

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Primary sources

README.md GitHub · zdiemer/chrono-trigger-reimplemented · Revision 443522c