# The Urbz: Sims in the City: Nintendo DS ARM9 disassembly and function map

> urbz-re investigates the USA Nintendo DS release of The Urbz: Sims in the City through an ARM9 split, assembly listings, symbol names, and function notes. Its build script checks a user-supplied ROM and regenerates assembly with ds-decomp 0.12.1. The source tree has no matched C yet; the author reports that 280 ARM9 functions have been read.

- 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/baker339/urbz-re>
- Primary source: <https://github.com/baker339/urbz-re/blob/688ce6cec84c47fe631deeacbf01381ac70b3d50/README.md>
- Catalog page: <https://awesomerea.org/resources/urbz-sims-in-the-city-ds-case/>
- Record JSON: <https://awesomerea.org/resources/urbz-sims-in-the-city-ds-case/record.json>
- Chinese version: [简体中文](https://awesomerea.org/zh/resources/urbz-sims-in-the-city-ds-case/index.md)

## Requirements & limits

- **Prerequisites:** A personal copy of the USA ASIE ROM is required.
- **Prerequisites:** ds-decomp 0.12.1 and Python 3 are used for the build.
- **Limits:** Matched C has not started; the CodeWarrior compiler version remains unidentified.
- **License:** No licence file in the repository.

## Primary sources

1. <https://github.com/baker339/urbz-re/blob/688ce6cec84c47fe631deeacbf01381ac70b3d50/README.md>
2. <https://github.com/baker339/urbz-re/blob/688ce6cec84c47fe631deeacbf01381ac70b3d50/NOTES.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.