# Mario Bros.: Atari VCS matching disassembly

> Mario Bros. reconstructs assembly for the Atari VCS release and provides a script to extract required assets from a ROM. The project says the disassembly should produce a one-to-one ROM image and includes C-like comments explaining control flow.

- Type: Case study
- Targets: Game
- Category: Independent reconstruction cases
- Relationship: Independent reconstruction project
- Sources reviewed: 2026-11-09
- Added to the catalog: 2026-11-09
- Original resource: <https://gitlab.com/segaloco/a26_mb>
- Primary source: <https://gitlab.com/segaloco/a26_mb/-/blob/d5e2073b604d0c081623d7a9f837a66b415defa4/README>
- Catalog page: <https://awesomerea.org/resources/a26-mb-case/>
- Record JSON: <https://awesomerea.org/resources/a26-mb-case/record.json>
- Chinese version: [简体中文](https://awesomerea.org/zh/resources/a26-mb-case/index.md)

## Requirements & limits

- **Prerequisites:** A standard Mario Bros. Atari VCS ROM for asset extraction and the cc65 6502 development suite on a UNIX-like platform.
- **Limits:** Control-flow commentary may contain inaccuracies.
- **License:** No licence stated on the project page.

## Primary sources

1. <https://gitlab.com/segaloco/a26_mb/-/blob/d5e2073b604d0c081623d7a9f837a66b415defa4/README>

## More in Games

- [Mario Golf: matching Nintendo 64 decompilation](https://awesomerea.org/resources/mario-golf-64/index.md) · Case study
- [Mario Kart DS decompilation: matching US and European game code](https://awesomerea.org/resources/mario-kart-ds-decompilation-case/index.md) · Case study
- [Mario Kart DS: an incremental matching decompilation of the European release](https://awesomerea.org/resources/mkds-decomp-case/index.md) · Case study
- [Mario Kart Wii: an in-progress matching decompilation of the PAL release](https://awesomerea.org/resources/mario-kart-wii-decomp-case/index.md) · Case study
- [Mario Kart Wii: matching decompilation of the PAL game](https://awesomerea.org/resources/mkw-decomp-case/index.md) · Case study
- [Mario Kart: Double Dash!!: a matching GameCube decompilation of the debug build](https://awesomerea.org/resources/mario-kart-double-dash-decomp-case/index.md) · Case study

## 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.