Now scroll down towards the bottom of the panel on the left side of OpenEmu and choose All Games from the list of gaming systems.Once you’ve configured your keyboard/controller, close the Preferences window. Now you can select the keys you want to represent the buttons on the NES controller. As you can see in the screenshot below, I selected Nintendo (NES). Select one of the gaming systems you’re going to be using from the first drop-down menu. Select the Control button from the navigation panel towards the top of the OpenEmu screen.
Open the Preferences by selecting OpenEmu from the Apple Menu Bar and then Preferences… from the drop-down menu.
zip file and drag the App to your Applications folder to install it.
Here’s how you can play MAME ROMs on your Mac – I thought I’d see if you could play them in macOS, and sure enough it’s actually quite straight forward. Today I stumbled across an old CD I have full of MAME ROMs. This guide will take you step by step through the process of setting up your Mac so that you can play MAME ROMs (games) on it.