[Coco] Mice and The CoCo, PD Library and Sub-Etha stuff -- Attn: Allen Huffman!

[coco at yourdvd.net]

No, you're right, the CoCo uses 100k and the generic innards I used to
build the one were 150k, therefore i was misremembering :-)

> -------- Original Message --------
> Subject: Re: [Coco] Mice and The CoCo, PD Library and Sub-Etha stuff --
> Attn: Allen Huffman!
> From: Joel Ewy <jcewy at swbell.net>
> Date: Wed, May 02, 2007 9:27 pm
> To: CoCoList for Color Computer Enthusiasts <coco at maltedmedia.com>
> 
> coco at yourdvd.net wrote:
> > I've spent a few minutes browsing Analog Devices website, and the
> AD5220
> > looks like a good candidate for the digital potentiometers. It is
> > available in a 100kohm version (the coco mouse uses 150k so i'll have
> > to test these - i once made a homemade coco joystick with surplus
> > joystick innards that had 100k pots and it worked well, but I want to
> > make sure these can handle the entire range), these are rated at 15
> > microamps, so i'll have to dig out the reference manuals on the coco
> > here in a few minutes to see if these are suitable. I'll order a few
> > and rig them with a toggle switch and a pushbutton to clock them just
> > to test the range. Okay, so now it's off to designing the circuit and
> > waiting for parts to arrive.--robert
> >
> >   
> >> -------- Original Message --------
> >> Subject: Re: [Coco] Mice and The CoCo, PD Library and Sub-Etha
> stuff --
> >> Attn: Allen Huffman!
> >> From: coco at yourdvd.net
> >> Date: Wed, May 02, 2007 5:37 pm
> >> To: CoCoList for Color Computer Enthusiasts <coco at maltedmedia.com>
> >>
> >> The only problem with the scroll wheel in a device such as this (will
> >> attach to the joystick port) would be that it would have to emulate
> >> either the right or left coco mouse button and the scroll function
> >> would have to  emulate either the left or right movement of the mouse,
> >> but it could be implemented. I only wanted to make this so we could
> >> have a ps/2 mouse to replace the coco mouse and still work with
> 100% of
> >> the coco software. Under os-9 it would be best to wait for mark's
> >> superboard and use it's ps/2 ports - with the proper driver, all
> >> buttons and wheels could perform specific functions. Soon as I get a
> >> schematic together, I'll send you a copy to let me know what you think
> >> and then i'll put it together and test it. Anything I end up
> developing
> >> will be free to the community so anyone can build or i can build for
> >> them - it's all in fun and here's to the greatest 8 bitter of all time
> >> - The TRS-80 Color Computer -robert
> >>
> >>     
> Hmm.  I thought the CoCo joysticks used 100K pots rather than 150.  I
> might be mis-remembering.
> >>> -------- Original Message --------
> >>> Subject: Re: [Coco] Mice and The CoCo, PD Library and Sub-Etha
> stuff --
> >>> Attn: Allen Huffman!
> >>> From: Joel Ewy <jcewy at swbell.net>
> >>> Date: Wed, May 02, 2007 3:46 pm
> >>> To: CoCoList for Color Computer Enthusiasts <coco at maltedmedia.com>
> >>>
> >>> coco at yourdvd.net wrote:
> >>>       
> >>>> Joel, your suggestions are excellent. As soon as I get moved in I'll
> >>>> start organizing everything (honestly, when I'm not working, I am at
> >>>> the PC or one of the CoCo's - the CoCo is much more fun). I was
> >>>>         
> >> sitting
> >>     
> >>>> here fooling with one of my PIC programmers and working on the
> >>>>         
> >> idea - I
> >>     
> >>>> actually like your idea of having it roll over from 0 to 63 and vice
> >>>> versa, but perhaps it could be switchable - exact emulation, or
> >>>> rollover).
> >>>>
> >>>>   
> >>>>         
> >>> Thanks, Robert.  I'll be really interested in what you might come up
> >>> with.  I wonder how difficult it would be to add support for scroll
> >>> wheels.  I hated those things when they first came out -- I think the
> >>> first one I played with had too weak a spring for the middle-button
> >>> function, so I found it very difficult to scroll without doing
> >>> unintended middle-button clicks -- but by now I've gotten to like
> them.
> >>>       
> >>>> As for organizing the PD, I wouldn't want to include anything that
> >>>> hadn't been officially released to the public for distribution,
> but I
> >>>> am going to proceed with this - I'll have given something to the
> >>>> community useful other than my sometimes senseless rants.
> >>>>
> >>>>         
> >>
> >> --
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> >> Coco at maltedmedia.com
> >> http://five.pairlist.net/mailman/listinfo/coco
> >>     
> >
> >
> > --
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> >
> >   
> 
> 
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