Assuming you want a general guide on Psxonpsp660-bin Retroarch, I'll provide a basic outline. You can then modify it according to your needs.
This guide is for educational purposes. The psxonpsp660.bin file is intellectual property of Sony Interactive Entertainment. You should only download this file if you own a physical PSP console and have dumped your own firmware via a homebrew tool like PSP Dumper . Distributing or downloading copyrighted BIOS files may violate laws in your jurisdiction. Psxonpsp660-bin Retroarch BETTER LINK
For Beetle PSX to recognize it, you may need to enable the "Override BIOS" option in the core settings. Assuming you want a general guide on Psxonpsp660-bin
The cursor blinked. Then, after a long pause: after a long pause: