@Unknown It will not disable them, the emulator can read both zip and 7z compressed files. If you have scraped the games already you could run into a problem with emulationstation looking for whatever-your-game-is-named.ngp instead of whatever-your-game-is-named.zip (or .7z) which can be solved by rescraping or editing the gamelist.xml for neo geo pocket.

[edit: realized I worded the first sentence very poorly...]

@mitu yeah, pretty sure. I’ve tested them all that were available for this emulator, lr-bettle and fbneo.

The script is for retropie, right? I apologize for not specifying, but I'm playing on windows. I was looking around and found a response saying that it was not possible.

Anyway, thank you for the help, mitu.

New cores are not automatically added to RetroPie, someone has to add it - either one of the developers or by submitting a PR (pull request, request to change) to the Github repository of the project.

@eckaji my apologies, you're totally right it should all function correctly with current retropie. i was mistakenly looking at the ngp installation script, which is purely documentation, so it doens't really matter that it doens't have .7z as a supported extension there (in fact i don't think many/any of the installation scripts have been updated in that regard). thanks for your work :)

I upgraded to 4.0.3 ,updated retroarch and the emulator , but the in game save still do not work.
Now the emulator load the flash file but when i made a new in game save the emulator doesn't overwrite the old flash save.
Thanks