| Option Category | # # CORE INPUT OPTIONS # |
| Description | Allows the showing of the MAME user interface on top of an emulated keyboard (if present). |
| Full Command | -ui_active |
| Alt. Command | none |
| Reverse Command | -noui_active |
| Example | mame64.exe pacman -ui_active |
| mame.ini Command | ui_active |
| Command Default | 0 |
| Argument Format | <boolean> |