# Rhythm Tengoku Arcade: SH-4 decompilation and asset-format reconstruction

> Reconstructs parts of Rhythm Tengoku Arcade's SH-4 program as C and assembly and implements round-trip tools for DTPK audio packages, STX textures and layered data ROMs. The author reports exact rebuilds for selected functions and asset packages while the game-code reconstruction remains partial.

- 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/Toritan123/rhytngk-arcade-decomp>
- Primary source: <https://github.com/Toritan123/rhytngk-arcade-decomp/blob/5c02f6510dfe29f2e72325ce5a1710fa4d19bf9c/README.md>
- Catalog page: <https://awesomerea.org/resources/rhythm-tengoku-arcade-decomp-case/>
- Record JSON: <https://awesomerea.org/resources/rhythm-tengoku-arcade-decomp-case/record.json>
- Chinese version: [简体中文](https://awesomerea.org/zh/resources/rhythm-tengoku-arcade-decomp-case/index.md)

## Requirements & limits

- **Prerequisites:** User-owned dumps of the four named ROM chips.
- **Prerequisites:** Python 3 with Pillow and NumPy; Docker is needed for C matching targets.
- **Limits:** The author reports 1,652 byte-exact functions among 1,714 translated functions, representing 4.00% of game-code bytes.
- **License:** No licence file in the repository.

## Primary sources

1. <https://github.com/Toritan123/rhytngk-arcade-decomp/blob/5c02f6510dfe29f2e72325ce5a1710fa4d19bf9c/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.