Each emulator has a specific "System" or "BIOS" folder where it expects this file to live: BIOS Dumping Guide for Emulators - 16 Bit Guide
Now that you understand the "what," "why," and "how" of the PS1 BIOS, you can emulate with confidence. Happy retro gaming – and keep those memory cards ready. ps1-rom.bin bios
He sat there, breathing hard, the silence returning. He fumbled for a flashlight. He shone it on his computer tower. It was silent. He turned the flashlight to his desk. Each emulator has a specific "System" or "BIOS"