# Sonic the Fighters: an i960 program ROM disassembly

> stfdisasm reconstructs the i960 program ROM of Sonic the Fighters as assembly source. The build instructions use i960 assemblers and a Python splitter to produce two interleaved ROM files, which the tool can compare against listed MD5 hashes; the author says the build is not yet shiftable.

- 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/biggestsonicfan/stfdisasm>
- Primary source: <https://github.com/biggestsonicfan/stfdisasm/blob/27756f80994674d6d449ab66108f59e19cfed6b1/README.md>
- Catalog page: <https://awesomerea.org/resources/sonic-the-fighters-disassembly-case/>
- Record JSON: <https://awesomerea.org/resources/sonic-the-fighters-disassembly-case/record.json>
- Chinese version: [简体中文](https://awesomerea.org/zh/resources/sonic-the-fighters-disassembly-case/index.md)

## Requirements & limits

- **Prerequisites:** An i960-compatible assembler and linker or CTOOLS are required.
- **Limits:** The build is not yet shiftable.
- **License:** No licence file in the repository.

## Primary sources

1. <https://github.com/biggestsonicfan/stfdisasm/blob/27756f80994674d6d449ab66108f59e19cfed6b1/README.md>

## More in Games

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- [Sonic the Hedgehog 2: byte-identical REV00 and REV01 source reconstruction](https://awesomerea.org/resources/sonic-the-hedgehog-2-source-reconstruction-case/index.md) · Case study
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- [Space Jockey: an exact-ROM Atari 2600 disassembly](https://awesomerea.org/resources/space-jockey-atari-2600-disassembly-case/index.md) · Case study
- [spectrum-saboteur1-rev: matching disassembly of Saboteur](https://awesomerea.org/resources/spectrum-saboteur1-rev-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.