Re: Strange 8255 behavior

From: Jim Brain <brain_at_jbrain.com>
Date: Tue, 12 Jun 2018 13:42:11 -0500
Message-ID: <12a51f47-e3d2-7af0-fb8c-65ee15fc42d0@jbrain.com>
On 6/12/2018 12:36 PM, André Fachat wrote:
>
> Wow that reminds me..... 
> http://www.6502.org/users/andre/csa/copro/index.html
> Shared control port with optmistic locking :-)
Can you explain the optimistic locking?  I see the RAM is dedicated to 
one processor for an entire half PHI cycle.  Why would locking be needed?
>
> André
>
>
>

-- 
Jim Brain
brain@jbrain.com
www.jbrain.com
Received on 2018-06-12 21:01:36

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