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Re: Mountain A/D Card?



Well, do you know where I can find a disk or manual for this thing?

Thanks.



On Thu, 12 Jul 2007 21:46:37 -0700, "Michael J. Mahon"
<mjmahon@aol.com> wrote:

>Steve ][ wrote:
>> Very cool.
>> 
>> I Googled a bit for a setup disk and (digitized) manual, but have come
>> up dry. Anybody?
>
>I think you'll find that the card is quite easy to use from
>assembly language (or even Applesoft if speed doesn't matter).
>
>The A/D converter and the D/A converter are both mapped to
>addresses in the Device Select space for the slot the card
>is installed in.
>
>The documentation you'll want is for the A/D converter chip.
>
>Almost any application will require custom code, so the
>disk should be viewed primarily as examples.
>
>> On Thu, 12 Jul 2007 15:07:07 -0700, "Michael J. Mahon"
>> <mjmahon@aol.com> wrote:
>> 
>> 
>>>Steve ][ wrote:
>>>
>>>>What's a good use for it these days? I used to have a book about
>>>>interfacing with it (and the joystick port), but it's long gone....
>>>
>>>It can be used to capture and log analog data and to produce a
>>>programmable voltage.  You could use it to simulate a strip chart
>>>recorder with your Apple II.
>>>
>>>I forget how fast the A/D converter is, but it's probably fast
>>>enough to sample sound (11kHz) in a suitable loop.
>
>-michael
>
>NadaNet file server for Apple II computers!
>Home page:  http://members.aol.com/MJMahon/
>
>"The wastebasket is our most important design
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