# A Link to the Past: an annotated US disassembly for Asar

> AsarUSALTTPDisassembly reorganizes and annotates assembly for the US SNES release of The Legend of Zelda: A Link to the Past. It adapts earlier disassembly work for Asar, adds labels, RAM maps and notes based on the author's research, and aims for an exact ROM rebuild once its build is complete.

- 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/JaredBrian/AsarUSALTTPDisassembly>
- Primary source: <https://github.com/JaredBrian/AsarUSALTTPDisassembly/blob/347c23f9fc019c72d32da537c9cb235f468d021d/README.md>
- Catalog page: <https://awesomerea.org/resources/asar-us-alttp-disassembly-case/>
- Record JSON: <https://awesomerea.org/resources/asar-us-alttp-disassembly-case/record.json>
- Chinese version: [简体中文](https://awesomerea.org/zh/resources/asar-us-alttp-disassembly-case/index.md)

## Requirements & limits

- **Prerequisites:** Use the Asar SNES assembler for the intended build.
- **Limits:** The project cannot currently build on its own; comments and RAM descriptions may contain errors.
- **License:** No licence file in the repository.

## Primary sources

1. <https://github.com/JaredBrian/AsarUSALTTPDisassembly/blob/347c23f9fc019c72d32da537c9cb235f468d021d/README.md>

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- [Afterhours 2015: Need for Speed online-service reconstruction](https://awesomerea.org/resources/afterhours-2015-case/index.md) · Case study
- [agario-client: reconstructing the earlier agar.io client protocol](https://awesomerea.org/resources/agario-client-case/index.md) · Case study
- [Aion 2: reconstruction of the client-to-server network protocol](https://awesomerea.org/resources/aion2-protocol-research-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.
