# 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.

- Type: Case study
- Targets: Game
- Category: Independent reconstruction cases
- Relationship: Independent reconstruction project
- Sources reviewed: 2026-11-06
- Added to the catalog: 2026-11-09
- Original resource: <https://github.com/mikroman/ZAXXON>
- Primary source: <https://github.com/mikroman/ZAXXON/blob/80cb81b4377d007e0b04b21f2102ddfc27247f21/readme.txt>
- Catalog page: <https://awesomerea.org/resources/zaxxon-c64-disassembly-case/>
- Record JSON: <https://awesomerea.org/resources/zaxxon-c64-disassembly-case/record.json>
- Chinese version: [简体中文](https://awesomerea.org/zh/resources/zaxxon-c64-disassembly-case/index.md)

## 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.

## Primary sources

1. <https://github.com/mikroman/ZAXXON/blob/80cb81b4377d007e0b04b21f2102ddfc27247f21/readme.txt>

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## About this entry

The description was reviewed against primary sources.
Original editorial content: MIT. Linked projects, papers and assets retain their own rights and licenses.