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PS Vita File Formats
Robert Jordan edited this page Mar 11, 2020
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Not much work has been done in this area, but currently 3 existing image formats used for PS Vita CatSystem2 games are known:
Pages marked with ✓ next to them have had the known extent of their file structure fully documented.
| Wiki Page | Magic | Description |
|---|---|---|
| CZ0 Image | CZ0 |
Raw image, raw pixel data |
| CZ1 Image | CZ1 |
Font image(?), LZW compression |
| CZ2 Image | CZ2 |
Complex image, LZW compression and deltafiltering |
| Wiki Page | Description |
|---|---|
| LZW Compression | A universal lossless data compression algorithm |
| Delta encoding | An encoding that uses the differences of preceding bytes |
| Elias gamma coding | A universal code encoding based on specific numbers |
See File Formats for relevant basic information on CatSystem2 files.