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Having Player 1 Start/Continue and Player 1 Credit as one button???
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zzsprade:
G'day guys!

Just a quick question. Would it be possible to operate Mame normally by instead of having a seperate Play 1 button and a serpate Player 1 Credit button, by combing these two together?

As in having a single button that when pressed could add a credit and start/continue the game. In other words connecting wiring from the one microswitch and connecting it on the encoder/keyboard hack to the corresponding player 1 start key and player 1 credit key.

Is this feasible and practical? Would a delay need to be made so that the credit was registered just prior to the game being started.

Cheers guys!

-Alex
paigeoliver:
That works, but it mucks up two player games.

Much better to have the player 2 start button add a credit.

Pressing player 2 start once will add a credit, and then you can press player one start to start a one player game, or player 2 start to start a 2 player game.

But even that falls apart with games that have more than 2 players, or games that allow player 2 to start a one player game by themselves.

Best probably to use a shift key instead (Start+button one adds a credit).
Tiger-Heli:
There's another way to do it also.  Have your single button for Start/Credit wired to Coin 1 (for each player).  So one button wired to Coin 1, one button wired to Coin 2, etc.

Now change MAME so 1P start is recognized as L Ctrl (P1B1), 2P Start is recognized as A (P2B2), etc.

Now you press the Coin Input for each player to coin up and press Button 1 for each player to start the game.

This avoids most of the problems and is how many arcade games are set up.  For example, if you play TMNT or skullxbo with the default assignments, you will notice that the game says "Press Start Button" but the game starts when you press "L Ctrl".  That is because on the original arcade, the Start and Player 1 buttons were connected to the same input.

(If you want a separate start button (the little people buttons) you can wire both this and the P1B1 button to Button 1 (just like the arcade manufacturers).
zzsprade:
paigeoliver,

With those complications would it be possible to map the Player 1 button (for both functions) to keys 1 + 5, and have Player 2 button (for both functions) mapped to 2 + 6? Or would the same complications arise.

-Alex
Tiger-Heli:

--- Quote from: zzsprade on June 10, 2003, 07:09:35 am ---paigeoliver,

With those complications would it be possible to map the Player 1 button (for both functions) to keys 1 + 5, and have Player 2 button (for both functions) mapped to 2 + 6? Or would the same complications arise.

-Alex

--- End quote ---

I thought that was what you were asking originally?  (Hopelessly confused)  ????
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