Re: Handic VIC-Switch

From: Spiro Trikaliotis <ml-cbmhackers_at_trikaliotis.net>
Date: Thu, 2 Nov 2017 21:42:10 +0100
Message-ID: <20171102204210.GB5079@hermes.local.trikaliotis.net>
Hello,

* On Thu, Nov 02, 2017 at 08:47:37PM +0100 Mia Magnusson wrote:
 
> How big/small is the risk of a computer sending something else before
> pulling ATN? If I understand correctly there shouldn't be anything
> sent. Therefore we might get away with just detecting something similar
> to this activity.

As always: It depends...

If you assume that the Computer and the drive use the standard IEC
protocol (without burst mode), this will never happen.

If burst mode is taken into account, SRQ will be used, but we already
know what would be send.

However, there are many fastloader protocols, and there, you cannot
assume that nothing is send before ATN. Unfortunately, without support
for fastloaders, I do not think such a device would be very helpful.

Regards,
Spiro.

-- 
Spiro R. Trikaliotis
http://www.trikaliotis.net/

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Received on 2017-11-02 21:00:02

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