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Re: Trak Star



http://www.classiccmp.org/cini/trackstar.htm
-Bart


On Tue, 9 Aug 2011 17:49:01 -0500, rhohler <rick.hohler@gmail.com>
wrote:

>Yeah, it works fine without the software.  I was curious if anyone has 
>the software from the ad.
>
>Rick
>
>On 2011-08-09 19:00:11 +0000, Alex Freed said:
>
>> It should not need any software. The Apple disk is controlled by 4 
>> wires each connected to one phase of a stepping motor. It takes 2 phase 
>> changes to step one track. (One phase change steps half a track used in 
>> some protection schemes).
>> So the box must monitor the 4 wires and count the pulses. That's all 
>> there is to it. Trivial to make these days with a single chip.
>> 
>> 
>> 
>> On 8/8/2011 4:45 PM, rhohler wrote:
>>> I have a Trak Star device for my Apple II.It is really a cool device.I
>>> scanned an ad from the 80's.
>>> 
>>> 
>>> http://www.flickr.com/photos/66159632@N04/6023990262/in/photostream
>>> 
>>> 
>>> Does anyone have the software for the device?I know it is a longshot but
>>> I couldn't find anything on the net about it.
>>> 
>>> 
>>> Or is anyone familar with it?
>>> 
>>> 
>>> Thanks
>>> 
>>> Rick
>