Many games require a BIOS (Base Input/Output System) to act as the "engine" for the hardware. These files must stay and are typically placed in the same roms folder as your games. Common BIOS files found in a 0.147 set include:
As the night wore on, John explored more titles, from the fast-paced action of "DoDonPachi" to the challenging puzzle-solving of "Dr. Mushi." Each game worked perfectly, offering a seamless experience that was hard to distinguish from the original arcade hardware. mame bios roms 0 147