Mednafen-Saturn requires the following BIOS image files for operation. OpenEmu on the mac is brilliant - you can quite comfortably play Playstation 1 games. Emulators: ePSXe, Duckstation, PCSXR-PGXP, Retroarch, Beetle PSX HW, mednafen, XEBRA, Avocado, PCSX-Redux, eNGE, PS1 BIOS, gpuBladeSoft and much more! 17 jul. Bleem is a popular commercial emulator for PlayStation, released 20 years ago. Any necessary bios files need to be placed there. Fixed system report incorrect HDD size during POST.Description: Mednafen ported to the PS3 by Robo Hobo. cfg) then place all BIOS files for all emulators in the same folder (again, typically RetroArch/system folder.