[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: Trak Star
- Subject: Re: Trak Star
- From: pilgrimer@hotmail.com
- Date: Sat, 13 Aug 2011 23:53:35 -0700
- Newsgroups: comp.sys.apple2
- References: <2011080818450574928-rickhohler@gmailcom> <j1s041$5of$1@speranza.aioe.org> <2011080917490197276-rickhohler@gmailcom>
- Xref: g2news1.google.com comp.sys.apple2:22707
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
>