Caple C871i Bedienungsanleitung PDF herunterladen (Seite 219)

100

101

Apple II Computer Info

---- 7

Common Ground 8 (connect to +5V for the Apple interface)

---- 9

By using this pin-out, your joystick can also be used on Commodore 64 and

Atari (computer or game) systems.

For Apple II and II+ owners:

The logic for the push-buttons is not positive logic. You will need to use

a 5V coil relay or a transistor circuit to convert the +5V, normally open

switch logic for FIRE 1 & 2 to the open-collector logic (normally closed

switch connected to ground) used by the game port.

** disclaimer time **

I have used the above circuit on my Apple II+ for 9 years without any problem.

However, I am not responsible or liable for your ability with a soldering iron.

Use this circuit at your own risk. Someday I will probably redesign this to

work better (I know a lot more about electronics now than I did 9 years ago),

but it works and so improving the design has been a very low priority. When

the day comes that I do redesign this interface, I will certainly post it for

the Apple II community to share and enjoy.

Shade and sweet water,

Curt

Curt Schroeder | McDonnell Douglas Aerospace - East | [email protected] |

----------------------------------------------------| [email protected] |

These opinions are mine, mine, mine! |-----------------------|

I am not an instantiation of Std_Employee! | - Apple II Forever - |

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Apple II Computer Technical Information : Apple II Family Hardware Info

ftp://ground.ecn.uiowa.edu/2/apple2/miscinfo/hardware : May 2001 : 219 of 572

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