F2 is always service on Galaga?

[Sonny_Jim]

I've noticed a strange bug/issue with galaga (or any other games with service mode on the dip switch).

I'd like to use the F2 as pause, as I've already got a switch wired up to F2 I'm too lazy to drag the cab out and put another wire in.  I've disabled every control I can see for 'Service' and set pause to be F2.

Most games this works fine, but if I press F2 in a game that has a DIP switch that says "Service", groovymame oh-so-helpfully pauses the game AND toggles the DIP switch, so it goes into service mode.

I am using the Groovyarcade distro and for the life of me I cannot see where the key configs for groovymame are stored, can someone enlighten me?  I'm guessing the keycode for DIP switch service is hidden in a config file and not accessible from the menus.

The easy option would be to put another wire on the J-Pac but I'd rather not have to do my back in moving the cab again!

[Ansa89]

Here you can fond some information, they talk about an old version of mame, but it should work also on recent versions.

[Sonny_Jim]

it should work also on recent versions

What should work?  I see no resolution there, only confirmation that it's hard mapped to F2?

[Ansa89]

If the game has a dip-switch for service mode, you have to recompile mame with modified "src/emu/ioport.c" (look at line 4870 or around that).
(Hoping that "src/emu/ioport.c" is the new name of "src/emu/inptport.c").

[Gray_Area]

F2 is service mode for all games in MAME.  (Hint: read about MAME.)