Mame Emulator: Button Combo Setup Guide

Mame Emulator

First press TAB key for edit the inputs.

And then press A is left CTRL highlight and press left CTRL and the A button

Now then press B is left ALT highlight and press left ALT and the A button

 

And after that press C is Spacebar highlight and press Spacebar and the A button

At last A should now be the single button that makes a combo button. Now can actually master all the characters with and without their weapons!