Case study

Zelda II: Famicom Disk System disassembly

The Zelda II disassembly reconstructs the initial Famicom Disk System release of The Adventure of Link from a disk image. It includes utilities for building an FDS image, an asset extraction script, and C-like control-flow annotations. The files inside the rebuilt image are meant to match the originals, while the image itself carries local filenames and timestamps.

Targets: Game
Category: Independent reconstruction cases
Relationship: Independent reconstruction project
Sources reviewed: 2026-11-09
Evidence class: C2 code & docs, no demo or download

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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: Builds on UNIX-like platforms using the cc65 6502 development suite.
Prerequisites: Asset extraction expects a headered FDS image of the initial release.
Limits: Control-flow annotations may contain inaccuracies; rebuilt image filenames and timestamps may differ from the original.
License: No licence stated on the project page.

Cite

BibTeX

@misc{zelda-ii-fds-disassembly-case,
  title = {{Zelda II: Famicom Disk System disassembly}},
  howpublished = {\url{https://gitlab.com/segaloco/zel2}},
  url = {https://gitlab.com/segaloco/zel2},
  urldate = {2026-11-09},
  note = {Awesome REA entry: \url{https://awesomerea.org/resources/zelda-ii-fds-disassembly-case/}}
}

Plain text

Zelda II: Famicom Disk System disassembly. https://gitlab.com/segaloco/zel2 (accessed 2026-11-09). Awesome REA entry: https://awesomerea.org/resources/zelda-ii-fds-disassembly-case/

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About this entry

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Primary sources

https://gitlab.com/segaloco/zel2/-/blob/8d54e3d77a455b0bf91d19ea87fc2da4cbd271bb/README