I’ve heard that fbalpha core does not support cheat, but today the source code discovery of fba has the cheat code. fbalpha now supports cheat?
just because it’s supported in upstream/standalone doesn’t mean it’s hooked up in the libretro port.
Unless RetroArch will see .ini Cheat Files along with .cht Files, you wont be able to use Cheats on FBA except for the 3DS Builds with Gateway or any other Cheat Engine. But every time you Update the Core/s, you will have to Update the Addresses.