Using psxonpsp660.bin is considered better for RetroArch and other PS1 emulators because it is a highly optimized BIOS originally included in PSP firmware 6.60. Unlike traditional BIOS files extracted from original PlayStation hardware (like scph1001.bin), this version was enhanced by Sony to improve performance and compatibility for digital PS1 classics. Why psxonpsp660.bin is Better
There are three main reasons why the emulation community considers the PSXonPSP660.bin the superior choice for RetroArch: Psxonpsp660.bin Retroarch BETTER
Problem: Retroarch ignores the file.
Solution: Update your PPSSPP core. Old cores (pre-2020) looked for psp660.bin. New cores look for psxonpsp660.bin. Go to Online Updater -> Update Cores. Using psxonpsp660
Faster Load Times: Emulation enthusiasts report faster boot sequences and quicker virtual memory card saving. 🛠️ How to Use It in RetroArch There are three main reasons why the emulation