Author: Evan Langlois (c-67-187-51-187.hsd1.tx.comcast.net)
Date: 03-31-2005 22:30
I think I had a couple of these around. Must look for them now! Maybe dig out my Wico Command Control as well and try that.
And as for a resistor, I don't think you can. I believe they are digital devices, normally the insides of old mice and trackballs have a disk with holes in it and a combination of an LED and light sensor shining through the disk makes a pulse as the disk spins. Its completely digital, so acceleration has to be done at the driver/software level.
You should be able to easily hack most of these devices to a PC joystick port as well. I also heard that you can do a simple rewire of an ST mouse to make it work as a PC bus-mouse, but good luck finding an old bus-mouse card - they are usually ISA :/
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RE: hacking a CX-80 trackball