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Weird keyboard mapping problem

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Jimbo:

I've just been round to visit a friend of mine who's bought a cocktail cab of ebay and couldn't get it to work.  It's got a keyboard encoder in it which I can only make out the letters "MP-2" on it.  Its a tiny board that I didn't recognise, and I couldn't find any installed software to re-program the key-mappings.

Anyway, the joystick is wired up stupidly so that the LEFT direction is mapped to the TAB key.  No biggie I thought as I'll just map P1-LEFT to the TAB key in mame, which I did (and made sure no other mapping was set to use TAB).

The weird thing is that when you move the joystick left in a game, it doesn't seem to register until you *let go* of the joystick.  All other mappings/directions work fine.  When testing the joystick in notepad, tabs appear as you move the joystick, not when you let go of it, so I can only assume this is a problem with mame.  Has anyone else had this problem or can offer any help?

Thanks

u_rebelscum:

Did you unmap tab from UI Config? (the input people here usually mean when they say "press tab").  Or remap it to something else?

Jimbo:

Yep. Mapped it to F11.

Any ideas, anyone?

drawfull:

The P1 left uSwitch is probably connected to normally closed instead of normally open,



drawfull:

Eck, I didn't read your last sentence, sorry!

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