> If I had been smart, I would have add software to the Rompath, but I think I > might put the software that not in the lists in the software directory.
if you plan to also use software which is not in the lists (e.g. software you have wrote, which is possible in the case of home computers, or some nice rom translations and hacks), it is indeed smarter to store them separately from the software list paths
anyway, the power of MAME/MESS options is exactly the flexibility: if you want to separate carts from floppies and tapes and bios and you want CDs in an external HD, you can! assume you have the following folders to store software:
C:\emu\carts\nes\ C:\emu\carts\snes\ C:\emu\carts\gba\ C:\emu\disks\x68k_flop\ C:\emu\disks\x1_flop\ C:\emu\tapes\x1_cass\ E:\CDs\segacd\
you just need to set rompath as: "roms;C:\emu\carts;C:\emu\disks;C:\emu\tapes;E:\CDs" and you are done! MESS will find bios in roms, and everything else in the folders you used
Just be careful that you have to set the root folders, not the single system folders, and that there is a limit to the number of chars for the rompath (I think around 500), so it's good to avoid hundreds of separate folders
The option of having everything inside roms/ is otoh useful when creating the list, because you can simply throw everything inside that folder and you are ready to test the list
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