Re: Faster IEEE routines

From: Jim Brain <>
Date: Wed, 24 May 2017 11:52:42 -0500
Message-ID: <>
On 5/24/2017 11:43 AM, wrote:
> Hallo allemaal,
> Because I have problems with the ZoomFloppy, I decided to create my
> own tool to create images of a floppy by connecting the drive
> directly to a PC.
I know you are just doing your thing, but this is so disheartening to 

> I'm using the original commands to access the drive and so far it is
> looking good. But it takes about 15 minutes to create a D82 image.
> That would mean about 2.5 minutes for every 160 KB = a 1541 floppy.
> And that is not so fast IMHO.
> So my first question is: are there any numbers available how long it
> takes a ZoomFloppy to create an image of the various IEEE drives?
You should search the archives. I am almost certain I timed an SFD1001 
here a while back to respond to an earlier inquiry on the same topic.
> My second question: I was wondering on forehand if there are faster
> methods available to retrieve data from an IEEE floppy so I won't
> need to invent the wheel twice?
Write your own parallel routines using the IEEE lines as conduits for 
your non IEEE protocol.


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Received on 2017-05-24 17:02:01

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