Hello. I want to test a few things on the latest mame and for that I need to set NeoGeo to AES mode. Problem is, when I select a game, it doesn't show the AES bios as option at all:
http://i.imgur.com/d1CIn8Q.png^ It shows this screen on my end, and as you can see, AES is missing. I already have neo-po.bin and neo-epo.bin inside my neogeo.zip. What else do I need to do to make AES appear?