# Hamtaro: Ham-Ham Heartbreak: a matching GBA decompilation

> Hamtaro: Ham-Ham Heartbreak reconstructs the European AH3P revision 0 GBA game as C and assembly that builds a specified 16 MiB ROM. Its technical notes cover startup, graphics, actors, scripts, text, sound and saves, and describe ROM equality checks against the original image.

- 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/josealmon/hamtaro-heartbreak>
- Primary source: <https://github.com/josealmon/hamtaro-heartbreak/blob/14f0aec2014cb0f631a0784f9846ba6419a4ecc1/README.md>
- Catalog page: <https://awesomerea.org/resources/hamtaro-heartbreak-decomp-case/>
- Record JSON: <https://awesomerea.org/resources/hamtaro-heartbreak-decomp-case/record.json>
- Chinese version: [简体中文](https://awesomerea.org/zh/resources/hamtaro-heartbreak-decomp-case/index.md)

## Requirements & limits

- **Scope:** The target is the European AH3P revision 0 ROM identified by the documented SHA-1 and SHA-256 hashes.
- **Limits:** Some data meanings and execution paths remain only partially understood.
- **License:** No licence file in the repository.

## Primary sources

1. <https://github.com/josealmon/hamtaro-heartbreak/blob/14f0aec2014cb0f631a0784f9846ba6419a4ecc1/README.md>
2. <https://github.com/josealmon/hamtaro-heartbreak/blob/14f0aec2014cb0f631a0784f9846ba6419a4ecc1/docs/analysis.md>

## More in Games

- [Harry Potter and the Half-Blood Prince: function-level Windows decompilation](https://awesomerea.org/resources/harry-potter-half-blood-prince-decomp-case/index.md) · Case study
- [Harry Potter and the Sorcerer's Stone: a GBC disassembly](https://awesomerea.org/resources/hpss-disassembly-case/index.md) · Case study
- [Harvest Moon 64 Decomp: matching decompilation of Harvest Moon 64](https://awesomerea.org/resources/hm64-decomp-case/index.md) · Case study
- [Harvest Moon GB Disassembly: reconstructing the Japanese Game Boy ROM](https://awesomerea.org/resources/harvest-moon-gb-disassembly-case/index.md) · Case study
- [Harvest Moon: Back to Nature: a byte-matching PlayStation decompilation](https://awesomerea.org/resources/harvest-moon-back-to-nature-decomp-case/index.md) · Case study
- [Harvest Moon: Back to Nature: matching PS1 executable reconstruction](https://awesomerea.org/resources/backtonature-decompiled-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.
