# Mario-Bros.-Dis: byte-for-byte Mario Bros. NES disassembly

> This is a byte-for-byte disassembly of Mario Bros. for the NES. It covers the NTSC World release, the PAL European release, and a GameCube version. It assembles with cc65. Graphics are ripped from a ROM with the Python script in misc/.

- Type: Case study
- Targets: Game
- Category: Independent reconstruction cases
- Relationship: Independent reconstruction project
- Sources reviewed: 2026-11-07
- Added to the catalog: 2026-11-09
- Original resource: <https://github.com/RussianManSMWC/Mario-Bros.-Dis>
- Primary source: <https://github.com/RussianManSMWC/Mario-Bros.-Dis/blob/0b7ca4de3cac44fb30b579e50691a809f1129816/README.md>
- Catalog page: <https://awesomerea.org/resources/mario-bros-nes-disasm/>
- Record JSON: <https://awesomerea.org/resources/mario-bros-nes-disasm/record.json>
- Chinese version: [简体中文](https://awesomerea.org/zh/resources/mario-bros-nes-disasm/index.md)

## Requirements & limits

- cc65. The GameCube build uses LinkerConfiguration_GAMECUBE.cfg. The README names no license.

## Primary sources

1. <https://github.com/RussianManSMWC/Mario-Bros.-Dis/blob/0b7ca4de3cac44fb30b579e50691a809f1129816/README.md>

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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.