The definition of higan and byuu have changed over the years:
Best Emulators For Macos higan products family Originally called bsnes (which was later reused for a new emulator by the same developer), the emulator is notable for attempting to emulate the original hardware as accurately as possible through low-level, cycle-accurate emulation and for the associated historical preservation efforts of the SNES platform.
Higan is a freeemulator for multiple video game consoles, including the Super Nintendo Entertainment System.