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Atari Joystick adapter.. remove a port?

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Arakon
 Post subject: Atari Joystick adapter.. remove a port?
 Post Posted: Thu May 17, 2012 10:24 am 
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Joined: Thu May 17, 2012 10:22 am
Posts: 2
I've tried to figure out how to remove the second port completely (since I need an actual GND to the joystick for the autofire circuit), but the best I have managed so far is to turn port 2 into a "USB input device" that can not start. Any hints on this?

Edit: Nevermind. I discovered that setting "Number of interfaces in this cfg" in usb_descriptors.c will stop the second port from being recognized.

Thanks for the fantastic adapter, Simon.
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Simon Inns
 Post subject: Re: Atari Joystick adapter.. remove a port?
 Post Posted: Thu May 17, 2012 6:05 pm 
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Joined: Thu Apr 01, 2010 6:23 am
Posts: 898
Glad you got that sorted :)

I had a bunch of TAC2s when I designed that adaptor which don't have autofire. However I guess it's simple enough that you could make two of them if you don't want to have the multiplexing running.

Good luck with it!
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Arakon
 Post subject: Re: Atari Joystick adapter.. remove a port?
 Post Posted: Thu May 17, 2012 7:32 pm 
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It's working great now. I just replaced pin 11 with GND and the autofire circuit works flawlessly.
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