Re: GS Mouse Adjustment?

["William Garber" <willy46pa@garberstreet.com>]

"Michael J. Mahon" <mjmahon@aol.com> wrote in message nN6dnVKYc7BWoMvYnZ2dnUVZ_tednZ2d@comcast.com">news:nN6dnVKYc7BWoMvYnZ2dnUVZ_tednZ2d@comcast.com...
: William Garber wrote:
: > "Simon D. Williams" <bb065@chebucto.ns.ca> wrote in message
: > Pine.GSO.3.95.iB1.0.1061111142947.11520A-100000@halifax.chebucto.ns.ca">news:Pine.GSO.3.95.iB1.0.1061111142947.11520A-100000@halifax.chebucto.ns.ca...
: > : On Sat, 11 Nov 2006, William Garber wrote:
: > :
: > : > motion of the ball. I highly recommend this trackball,
: > : > or a similar well-built one. for those who have very
: > : > limited desk space. Only wish I had one for the IIe.
: > :
: > : I also use an orbit trackball on my IIgs... I wonder
: > : how hard it would be for some *clever hardware person*
: > : to build an adaptor for ADB or PS2 mice to plug in to
: > : the IIe mouse card???
: > : -s
: >
: > Well, let's look at each one.
: >
: > ADB devices are slaves to the Host, the computer, so
: > there would need to be some hefty firmware involved.
: > A microcontroller could maybe act as the host and go-
: > between to the mouse card.
: >
: > PS/2 devices are serial devices, so that would not be
: > so hard, and also could use a microcontroller as the
: > intermediary between them.
: >
: > I believe, and I will probably be corrected here,
: > that the mouse card accepts TTL signals derived from
: > resistance settings similar to analog joysticks.
:
: The mouse card interprets digital encoder signals from
: the mouse, much like a PC "bus mouse".  It's nothing like
: an analog joystick.

I told ya I'd need to be corrected. Now that I think about
it, I do remember the flywheels inside that interrupt the
optical signals causing intermittent on's and off's.
So, a PS/2 mouse would be easiest to create an adapter for
in that case.

: In fact, "dual purposing" the joystick port on the IIc for
: a mouse resulted in some very strange processing for the
: inputs.

It also resulted in some mouses not working on them.

William Garber
Email Address - willy46pa@garberstreet.com
Alt. Email - willy46pa@comcast.net
Web address - http://www.garberstreet.com