A: Use 6.60. It is the most stable and compatible POPS version. Version 7.00 introduced minor regressions in vibration support.
Sony optimized this BIOS for their own official PS1 classics emulator on the PSP, resulting in smoother performance in several titles.
: Delete old save states that were tied to the inferior HLE BIOS to prevent compatibility crashes. Invoke the Core : In cores like Beetle PSX, they had to dive into the Core Options and find the hidden Override BIOS The Happy Ending