# Castlevania III: a PRG ROM disassembly with extraction tools

> The Castlevania III disassembly organizes the NES game's PRG code and data as assembly source, with scripts for data extraction and tilemap generation. Its build links the reconstructed PRG content with a user-supplied original CHR ROM.

- 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/vinheim3/castlevania3-disasm>
- Primary source: <https://github.com/vinheim3/castlevania3-disasm/blob/3272648f2bbf95f6cb11d947feca73b852a99f10/README.md>
- Catalog page: <https://awesomerea.org/resources/castlevania-iii-disassembly-case/>
- Record JSON: <https://awesomerea.org/resources/castlevania-iii-disassembly-case/record.json>
- Chinese version: [简体中文](https://awesomerea.org/zh/resources/castlevania-iii-disassembly-case/index.md)

## Requirements & limits

- **Prerequisites:** wla-dx and Python are required.
- **Prerequisites:** The original CHR ROM must be placed at original/OR.chr; extraction helpers also expect original/OR.bin.
- **License:** No licence file in the repository.

## Primary sources

1. <https://github.com/vinheim3/castlevania3-disasm/blob/3272648f2bbf95f6cb11d947feca73b852a99f10/README.md>
2. <https://github.com/vinheim3/castlevania3-disasm/blob/3272648f2bbf95f6cb11d947feca73b852a99f10/Makefile>

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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.