The emulator checks the "fingerprint" of each file inside the ZIP. If one byte is different, the game won't load.
While not official, sets labeled 1.0.0.0 generally share these traits: Fbneo Romset Version 1.0.0.0
The 1.0.0.0 ecosystem introduces several critical upgrades over older versions: The emulator checks the "fingerprint" of each file
Roms/ ├── 1942.zip ├── 1943.zip ├── neogeo.zip ├── sf2.zip └── ... (rest of zips) Fbneo Romset Version 1.0.0.0