This can be done, but you need to make an ini file for each system you're interested in.
For example, for nes, create nes.ini and add the one line
swpath 'path to your roms'
e.g
swpath e:\data\nintendo\nes
In theory, doing this with the parent systems should flow down to the clones. It's a lot of work, but it will accomplish what you want.
> So, for example, I'll start MAME, choose the Bally Professional Arcade, and then > inside that machine, I have to use file manager to browse through to the right folder > on my NAS before I can attach a cartridge. It would be nice if, for each machine, it > would drop me at the right folder for the cartridges for that machine from the > beginning. > > I've seen that there's the possibility of having multiple INI files, but I'm not sure > what options I'd need to put in/change to set the default folder for the > 'attachments' (or even if that's possible). Searches just get me to articles on how > to set the main ROM folder, rather than that for the attached media. > > If there's any help on how to do this, or if someone knows if there's a front end to > MAME that will help with the process, I'd be really grateful.
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