Version 0.78 was the last release before major accuracy-focused code rewrites that significantly increased CPU demands. This makes the 0.78 pack the "sweet spot" for devices like the Raspberry Pi 3 or Pi 4. Essential BIOS Files in the 0.78 Pack
In arcade emulation, a "BIOS" file represents the system software of the original arcade motherboard. Many classic games, particularly those from Neo Geo , Capcom (CPS1/CPS2), and Konami, cannot boot without these specific system files present in your ROM directory. mame 078 bios pack new