Case study

Zaxxon: a Commodore 64 cartridge disassembly

Disassembles the Commodore 64 Zaxxon cartridge in Kick Assembler syntax and rebuilds its two banks and four CHIP sections into a CRT image. The author explains the mirrored $9000 memory window and includes it in the assembly for debugger breakpoints.

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: 1
Last commit: 2026-09-02
Language: Assembly

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: Kick Assembler; VICE or c64debugger for launching the CRT image.
Limits: The disassembly is uncommented.
License: No licence file in the repository.

Cite

BibTeX

@misc{zaxxon-c64-disassembly-case,
  title = {{Zaxxon: a Commodore 64 cartridge disassembly}},
  howpublished = {\url{https://github.com/mikroman/ZAXXON}},
  url = {https://github.com/mikroman/ZAXXON},
  urldate = {2026-11-06},
  note = {Awesome REA entry: \url{https://awesomerea.org/resources/zaxxon-c64-disassembly-case/}}
}

Plain text

Zaxxon: a Commodore 64 cartridge disassembly. https://github.com/mikroman/ZAXXON (accessed 2026-11-06). Awesome REA entry: https://awesomerea.org/resources/zaxxon-c64-disassembly-case/

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About this entry

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Primary sources

readme.txt GitHub · mikroman/ZAXXON · Revision 80cb81b