# DDR 1st Mix: static recompilation and freeze analysis

> DDR 1st Mix recompiles the PlayStation release SLPM-86222 by translating its MIPS code to C with PSXRecomp and building a native executable. Game-specific hooks address runtime behavior, and the author documents tracing an animation error into a cyclic display list that caused freezes.

- Type: Case study
- Targets: Game
- Category: Independent reconstruction cases
- Relationship: Independent reconstruction project
- Sources reviewed: 2026-11-09
- Added to the catalog: 2026-11-09
- Original resource: <https://github.com/bmbelo87/ddr-1st-recomp>
- Primary source: <https://github.com/bmbelo87/ddr-1st-recomp/blob/395aa9ff8b8d3ce0f58995749f01662be3cfa8b6/README.md>
- Catalog page: <https://awesomerea.org/resources/ddr-1st-mix-recomp-case/>
- Record JSON: <https://awesomerea.org/resources/ddr-1st-mix-recomp-case/record.json>
- Chinese version: [简体中文](https://awesomerea.org/zh/resources/ddr-1st-mix-recomp-case/index.md)

## Requirements & limits

- **Prerequisites:** Supply a disc dump with one .cue and 40 .bin tracks, plus the SLPM_862.22 boot executable.
- **Prerequisites:** Use Python 3, CMake 3.20 or later, Ninja and Clang; on Windows, use a POSIX shell such as MSYS2 or Git Bash.
- **Limits:** The author reports that a runtime hook contains the freeze; the cause of the invalid animation index remains open.
- **License:** No licence file in the repository.

## Primary sources

1. <https://github.com/bmbelo87/ddr-1st-recomp/blob/395aa9ff8b8d3ce0f58995749f01662be3cfa8b6/README.md>
2. <https://github.com/bmbelo87/ddr-1st-recomp/blob/395aa9ff8b8d3ce0f58995749f01662be3cfa8b6/BACKLOG.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.