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Old 23 February 2013, 08:23   #1
BippyM
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Joypad Testing

Guys,

I have a Honeybee CD32 pad and I need to test it works, problem... I have no Amiga or other machine to test it on.

I do however have a multimeter so is it possible to test the pad works?
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Old 23 February 2013, 20:16   #2
Jope
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I believe this to be correct:

Quote:
Originally Posted by Toni Wilen View Post
CD32 buttons are read serially, it is not simple switches.

Simple theory of operation: load parallel to serial converter (pulse 3rd firebutton pin 0->1->0), read first button, send "clock" pulse (firebutton pin), read next button (2nd firebutton pin) and so on.. After last button has been read state stays at low (or high, don't remember), some games use this to detect if CD32 pad is installed. (note: some clone pads may not have this logic..)

3rd firebutton = 0 = "normal mode" = red and blue buttons can be read normally.
3rd firebutton = 1 = "cd32 mode" = shift read mode, all buttons readable.

(if I remembered correctly..)
So a multimeter isn't enough.
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Old 23 February 2013, 21:48   #3
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hmmm
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Old 23 February 2013, 23:00   #4
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Would the red button be testable with the multimeter as that shouldn't require any tricks??
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Old 23 February 2013, 23:39   #5
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Yep, you can test the red and blue buttons on pins 6 and 9.
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Old 23 February 2013, 23:50   #6
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They work. The guy it came from saidf the red button wont start the game he tested.. I get a definite response from the red blue buttons
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