Are you trying to set this up on a (like an Anbernic or Retroid) or on a PC/Android emulator? Releases · flyinghead/flycast · GitHub
Here is a review of what this file entails, its purpose, and whether you should use it. bios dc awbioszip fixed
The feature on awbios.zip (the BIOS file for the Sammy Atomiswave arcade system) focuses on its integration into emulators like Are you trying to set this up on