| Core (System) | Required BIOS file | Where to place | |---------------|--------------------|----------------| | (PS1) | scph5500.bin , scph5501.bin , scph5502.bin (or scph1001.bin ) | ux0:/data/retroarch/system/ | | Gambatte (Game Boy) | None (no BIOS needed) | — | | mGBA / gpSP (GBA) | gba_bios.bin (optional, but some games require) | ux0:/data/retroarch/system/ | | Snes9x (SNES) | None (no BIOS needed) | — | | Genesis Plus GX (MD/Genesis/CD) | bios_CD_U.bin , bios_CD_E.bin , bios_CD_J.bin (Sega CD) | ux0:/data/retroarch/system/ |
Here’s a straightforward guide to (using the official Vita port). 1. Which BIOS files you need (by core) RetroArch on PS Vita uses cores (emulators). Only certain cores require external BIOS files. bios files for retroarch ps vita