CAVE roms in CAVE folder not running, how to config to run from Demul emulator instead of Retroarch?

Hi all,
I have the following issue of the Demul games related to the "CAVE" publisher are not running in Retrobat 3.1. All the other systems like Naomi , Naomi 2 , Gaelco, Hikaru run OK, but the ones related to "CAVE" do not run.
I can see in that it is set to only run using Retroarch, I would like to ask for help to how to configure to run using Demul instead since it is not working with Retroarch/ MAME cores.
The Cave games are in a seperate "Cave" folder and not sharing inside the Naomi 2 folder.
Thanks.

Hello, Cave games run with FBneo(fb alpha) or latest MAME cores.

Thanks for the Quick reply. I have tried the FB cores and they do not work with Deathsmiles, Akai Katana and some others.
But "MAME 2016" did do the job, I did not try that one before. Is "MAME 2016" core still being updated? Like now it is "FB Neo" that is being updated and taking over for the old FB alphas. On the Mame side, which is the core that has the latest updates from the MAME group? The core that says only "MAME" or "MAME 2016"? Just to know which MAME core has the latest up to today.
Thanks again for the help and happy holidays!

Mame's core is no longer updated. Now it's the new HBMAME core, but it's not included in Retrobat yet .... soon on V4

happy holidays too ;-)