Re: 1541 – two computers, one drive

From: silverdr_at_wfmh.org.pl
Date: Wed, 25 Mar 2020 17:23:22 +0100
Message-Id: <2F3E5297-07B3-42A9-BD33-A9333BB86EE4_at_wfmh.org.pl>
> On 2020-03-25, at 16:38, Spiro Trikaliotis <ml-cbmhackers_at_trikaliotis.net> wrote:
> 
>>> "It was also possible, without requiring a VIC-switch, to connect
>>> two Commodore 64s to one 1541 floppy disk drive to simulate an
>>> elementary network, allowing the two computers to share data on a
>>> single disk (if the two computers made simultaneous requests, the
>>> 1541 handled one while returning an error to the other, which
>>> surprised many people who expected the 1541's less-than-stellar
>>> drive controller to crash or hang). This functionality also worked
>>> with a mixed combination of PET, VIC-20, and other selected
>>> Commodore 8-bit computers."
> 
> No, I did not test doing the access from the 2nd computer while another
> access was in progress.
> 
> And, in fact, I would not see how the error message should pop up.
> 
> Please disregard my previous post. ;)

It arrived as your "next" but it's actually still valuable, even if it doesn't answer the main point of whether the attempt to access the drive from another computer, while the first is transferring, can in fact fail gracefully.

-- 
SD! 
Received on 2020-05-30 01:22:57

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