Joypad Testing

BippyM · 23 February 2013, 08:23

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?

Jope · 23 February 2013, 20:16

I believe this to be correct:

Quote:

Originally Posted by Toni Wilen

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.

BippyM · 23 February 2013, 21:48

hmmm

BippyM · 23 February 2013, 23:00

Would the red button be testable with the multimeter as that shouldn't require any tricks??

Leffmann · 23 February 2013, 23:39

Yep, you can test the red and blue buttons on pins 6 and 9.

BippyM · 23 February 2013, 23:50

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

23 February 2013, 08:23	#1
BippyM Global Moderator Join Date: Nov 2001 Location: Derby, UK Age: 48 Posts: 9,355	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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23 February 2013, 21:48	#3
BippyM Global Moderator Join Date: Nov 2001 Location: Derby, UK Age: 48 Posts: 9,355	hmmm

23 February 2013, 23:00	#4
BippyM Global Moderator Join Date: Nov 2001 Location: Derby, UK Age: 48 Posts: 9,355	Would the red button be testable with the multimeter as that shouldn't require any tricks??

23 February 2013, 23:39	#5
Leffmann Join Date: Jul 2008 Location: Sweden Posts: 2,269	Yep, you can test the red and blue buttons on pins 6 and 9.

23 February 2013, 23:50	#6
BippyM Global Moderator Join Date: Nov 2001 Location: Derby, UK Age: 48 Posts: 9,355	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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