Assuming you have the files, here’s the standard setup for most emulators:
If you’re serious about playing classics like Sonic CD , Snatcher , or Lunar: Eternal Blue on your PC, handheld, or FPGA device, take the time to source the correct BIOS files. Your future retro-gaming self will thank you. sega-101.bin mpr-17933.bin
If you want, I can: