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#328 From: "id_fugu_is_unavailable" <geoff@...>
Date: Sat Oct 17, 2009 6:38 pm
Subject: Re: USB port for the EInstein
id_fugu_is_u...
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Hi all,

Very quick message to say that the the USB adaptor is coming along well.

I now have the "Pipe" cabling to "glue logic" to "FAT" to "USB stack" to "Mass
storage device" sections up and running and can read the ID from the Mass
storage device (in my case a thumbdrive with a FAT file system)

I'm planning on updating the whole design once I have done some testing and
perfected the file transfers and ironed out the bugs that I will inevitably
find.

My plan is possably to introduce a "translator" to accept the same commands that
would be sent to the 1770 FDC and implement the same port structure as the 1770.
Then to use the USB in place of an external floppy all we'd need to do the the
OS is divert transfers for drive 3 to a different port, and write a disc change
(folder change) routine.

This plan may change, I'd love to hear your feedback.

Regards,
Geoff

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