# Yoshi's Island: a SNES disassembly for two US ROM revisions

> A disassembly of Super Mario World 2: Yoshi's Island provides SNES assembly sources and maps for the USA v1.0 and v1.1 ROMs. Its asset-extraction script uses a clean, headerless copy of a supported ROM, and the project builds on the author's SNES ROM framework.

- 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/Yoshifanatic1/Yoshi-s-Island-Disassembly>
- Primary source: <https://github.com/Yoshifanatic1/Yoshi-s-Island-Disassembly/blob/7be13ebf078a3e09849d533fea8db65894c5e36c/readme.md>
- Catalog page: <https://awesomerea.org/resources/yoshis-island-snes-disassembly-case/>
- Record JSON: <https://awesomerea.org/resources/yoshis-island-snes-disassembly-case/record.json>
- Chinese version: [简体中文](https://awesomerea.org/zh/resources/yoshis-island-snes-disassembly-case/index.md)

## Requirements & limits

- **Prerequisites:** A clean, headerless USA v1.0 or v1.1 ROM is required for asset extraction.
- **Prerequisites:** The project uses SNES ROM framework v1.1.0.
- **License:** GPL-3.0 license.

## Primary sources

1. <https://github.com/Yoshifanatic1/Yoshi-s-Island-Disassembly/blob/7be13ebf078a3e09849d533fea8db65894c5e36c/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.