BOF: PSFx, where x represents one of the following values for which PSF has been adapted
4th byte:
0x01: Playstation (PSF1)
0x02: Playstation 2 (PSF2)
0x11: Sega Saturn (SSF)
0x12: Sega Dreamcast (DSF)
0x13: Sega Genesis
0x21: Nintendo 64 (USF)
0x22: GameBoy Advance (GSF)
0x23: Super NES (SNSF)
0x41: Capcom QSound (QSF)
Format description: http://web.archive.org/web/20140125155137/http://wiki.neillcorlett.com/PSFFormat