: Compressed Hunks of Data. This is the highly recommended format for AetherSX2. It reduces file sizes by 30% to 60% without losing game data or degrading performance.
Find the .pnach file for your game (often bundled in widescreen archive packs online). aethersx2 file types patched
Patched emulator uses different save state structure. Fix: Load your last in-game memory card save. Delete old .state files. : Compressed Hunks of Data