Your neogeo.zip is incomplete or mismatched with your ROM set. Neo Geo BIOS must match exactly with the MAME/FBNeo ROM version. Solution: Use a full non-merged MAME ROM set.
Here is the definitive list for Batocera v38–v40 (and likely future versions). You can check the official batocera.conf or the ES (EmulationStation) system configuration menu for real-time checks.
For retro gaming purists, aspect ratios and CRT
Full: 'link' Bios Batocera
Your neogeo.zip is incomplete or mismatched with your ROM set. Neo Geo BIOS must match exactly with the MAME/FBNeo ROM version. Solution: Use a full non-merged MAME ROM set.
Here is the definitive list for Batocera v38–v40 (and likely future versions). You can check the official batocera.conf or the ES (EmulationStation) system configuration menu for real-time checks. full bios batocera
For retro gaming purists, aspect ratios and CRT Your neogeo