| Option Category | # # OSD DEBUGGING OPTIONS # |
| Description | This option sets the font size use in the debugger. 0 = Windows default. |
| Full Command | -debugger_font_size <integer> |
| Alt. Command | none |
| Reverse Command | none |
| Example | mame64.exe -debugger_font helvetica -debugger_font_size 9 |
| mame.ini Command | debugger_font_size |
| Command Default | 0 |
| Argument Format | <custom> |