Hi, I have multiple gamepads, and most of them are also recognized as different devices when I connect them in a different way.
Example:
PS2 (normal USB only gamepad) -> Only one device
MD (could be connected with USB or BlueTooth, as an X-Input device or as a D-Input device) -> this creates...
== WORK IN PROGRESS ==
I'm trying to create a complete guide, easy to read but very explanatory, to describe how to use and manage ROM SETS for MAME-like emulators, but also I want to point out why you have to do this type of things.
I never found a guide like this, I just found little guides...