Case study

tmnt-recomp: porting the NES Teenage Mutant Ninja Turtles game to C

tmnt-recomp ports the 1989 NES Teenage Mutant Ninja Turtles game to C from analysis of its 6502 code. It loads a user-provided European or American ROM at runtime, implements game logic and needed NES hardware behavior, and compares recorded runs with emulator traces.

Targets: Game
Category: Independent reconstruction cases
Relationship: Independent reconstruction project
Sources reviewed: 2026-11-06
Evidence class: C1 partial scope or analysis entry

Stars: 2
Last commit: 2026-11-08
Language: C
License (GitHub): MIT

GitHub data as of 2026-11-10

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Evidence

Demo screenshot from the project's public documentation

Observed: Download and demo observed; the case covers part of the target software.
Scope: Partial
Checked: 2026-11-08

How evidence classes are assigned

Requirements & limits

Prerequisites: A user-provided European or American .nes ROM is required.
Prerequisites: Windows builds use Visual Studio Build Tools and Python 3; Linux builds use gcc, SDL2 and Python 3.
Limits: The author reports that unvisited paths still emit TODO messages and randomness follows a different sequence.
License: MIT license covers the repository code.

Cite

BibTeX

@misc{tmnt-recomp-case,
  title = {{tmnt-recomp: porting the NES Teenage Mutant Ninja Turtles game to C}},
  howpublished = {\url{https://github.com/naparuba-retro/tmnt-recomp}},
  url = {https://github.com/naparuba-retro/tmnt-recomp},
  urldate = {2026-11-06},
  note = {Awesome REA entry: \url{https://awesomerea.org/resources/tmnt-recomp-case/}}
}

Plain text

tmnt-recomp: porting the NES Teenage Mutant Ninja Turtles game to C. https://github.com/naparuba-retro/tmnt-recomp (accessed 2026-11-06). Awesome REA entry: https://awesomerea.org/resources/tmnt-recomp-case/

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About this entry

The description was reviewed against primary sources.

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Primary sources

README.md GitHub · naparuba-retro/tmnt-recomp · Revision ebe212c
tests/reference_game/README.md GitHub · naparuba-retro/tmnt-recomp · Revision ebe212c