| ID | As a... | I want to... | So that... | |----|---------|--------------|-------------| | US1 | User | load a PS1 BIOS file ( ps1-rom.bin , scph1001.bin , scph5501.bin , etc.) | the emulator can boot correctly | | US2 | User | validate that my BIOS file is authentic and compatible | I avoid boot failures or glitches | | US3 | User | load a game ROM ( .bin/.cue , .iso , .chd , .pbp ) | I can play PS1 games | | US4 | User | see a library of loaded games with metadata | I can browse and launch easily | | US5 | User | automatically detect missing BIOS or wrong region | I get helpful error messages |
Ensure your BIOS region matches your game region. While some emulators are "region-free," using a US BIOS with a Japanese game can occasionally cause glitches. ps1-rom.bin bios
Technically, none. Both are raw binary dumps. The extension is cosmetic. You can rename ps1-rom.bin to ps1-rom.rom or bios.bin – the emulator only cares about the content. | ID | As a
: It can boot games from any region (Japan, North America, or Europe) without needing separate files. Both are raw binary dumps