Downloading scph70012.bin from third-party websites violates copyright laws. Furthermore, these "top download" sites often bundle files with malware, adware, or corrupted data. How to Correctly Dump Your Own PS2 BIOS
Legally, the safest way to obtain a PS2 BIOS is by dumping the firmware from your physical, retail console using a homebrew-enabled system and a utility like BiosDrain . ps2 bios scph70012bin top
If you want, I can:
Noob to emulating ps2, or emulating in general lol : r/RetroArch Downloading scph70012