> Every so often, the controller configuration settings I've got setup keep getting > lost and reverting back to the defaults. This is with an X-Aracde on a USB plug. I > can't figure why if I go into the configuration menu, general inputs, and set up each > of the buttons, it loses those settings every so often. Then I hafta go in and re-do > 'em all again. > > Any idea what would keep causing this?
Usually this is because you've unplugged it and ran MAME without it plugged in, or the controller got reassigned to another port upon reboot. The easiest way to retain your setting in such cases is to make your mappings, when use Windows to set the file as "READ ONLY" (right click -> properties and checkmark the Read-only then APPLY button. This will ensure the file doesn't get overwritten even if controllers were moved or unplugged. But, in such instances were MAME is looking for inputs that may not exist, you may encounter emulation issues. Just be warned.
There are other methods which are pretty high on the technical side which will work better, but what I mentioned above is the by far the easiest/less complex. If you are brave, there is info here: http://docs.mamedev.org/advanced/devicemap.html?highlight=controller
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