Re: PET IEEE timeout question

From: Spiro Trikaliotis <ml-cbmhackers_at_trikaliotis.net>
Date: Sun, 11 Oct 2020 21:32:35 +0200
Message-ID: <20201011193235.GB27161_at_hermes.local.trikaliotis.net>
Hello,

* On Sun, Oct 11, 2020 at 02:07:03PM -0500 vtgearhead wrote:
> I have a situation where my SuperPET is trying to read from a disk device -
> in this case a PetSD running Andre's XD2031 firmware.  It's trying to read
> from a file that's been successfully opened and getting back nothing. 
> Looking at the bus activity, I can see the host issue TALK/SEC2.  About
> 150ms goes by with no response from the XD2031 and the PET asserts
> ATT/UNTALK and tells the application "no bytes read".  The XD2031 is working
> correctly, but I think processing of REL file reads are just a bit too slow
> for the PET firmware.  Is there any way to fiddle with the timeout and work
> around this?

Have a look here:

http://cbm-hackers.2304266.n4.nabble.com/Commodore-2031LP-and-Zoomfloppy-td4666394.html,

especially the posting from André Fachat on Jun 04, 2018; 2:58pm.

For me, it sounds like this could be exactly the same problem.

Regards,
Spiro.

-- 
Spiro R. Trikaliotis
http://spiro.trikaliotis.net/
Received on 2020-10-11 22:00:21

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