| Option Category | # # CORE INPUT AUTOMATIC ENABLE OPTIONS # |
| Description | This option lets you select which input device is used by the selected system as it's trackball control. You can select from the following...
|
| Full Command | -trackball_device <custom> |
| Alt. Command | none |
| Reverse Command | none |
| Example | mame64.exe ccastles -trackball_device mouse |
| mame.ini Command | trackball_device |
| Command Default | keyboard |
| Argument Format | <custom> |