Subject: Re: SIMH runs NetBSD/vax
To: Lars Brinkhoff <>
From: Anders Magnusson <>
List: port-vax
Date: 03/15/2002 17:25:22
> Olaf Seibert <> writes:
> > One thing SIMH maybe could do is change the meaning of an uncommon
> > sort of instruction that's effectively a No OPeration, which could
> > be inserted in the busy-wait. SIMH could treat it like a WAIT
> > instruction.
> This sounds like a good idea.  I, for one, would really like to
> eliminate the busy-wait.  Would this, or one of the other suggestions,
> be acceptable?
I think it would be best to take one of the "reserved for customer use"
instruction and use it as wait. It would be easy to do and a simple
patch for the idle loop.

-- Ragge