About Devices

Devices are emulated bits of hardware that can be added to a system. This could be as simple as a cartridge interface for a console system or an internal sound card for a computer system. Most systems and software will automatically add any required devices to get it to run but you also have full control if you want it.

To add a device to a system you can use the Mame user interface. In the UI the devices are added from the slot menu...

Slot Menu

...or you can do it from the command line. From the command line it's a bit more complex. For example...

mame64 cpc464p -cart batman -exp dkspeech

This will launch mame running the cartridge version of Batman on an Amstrad CPC464 computer with a DK Tronics Speech Synthesizer. There is more information on devices on the Running Mame page