PDP-11/05 returns to life

Pete Turnbull pete at dunnington.plus.com
Tue Jan 6 16:27:01 CST 2009


On 06/01/2009 21:31, Paul Koning wrote:
>>>>>> "Henk" == Henk Gooijen <henk.gooijen at hotmail.com> writes:
> 
>  >> 2. Is there a chasing lights program I can run on the 11/05? Would
>  >> be nice to see it visibly doing something
>  
>  Henk> Search the net. There is a small program (estimate 7 words). It
>  Henk> uses the RESET instruction (is that 000005?) ... not nice if
>  Henk> you connect an RX01 or RX02 to the machine as on every RESET
>  Henk> (INIT) the heads clunk!
> 
> That's a bit ugly...
> 
> A cleaner one is the RSTS null job.

> You need a periodic interrupt, of course, to break out of the WAIT.

But you probably don't have one on a basic 11/05, which is why the 
commonly-used one is the one Henk and Ethan mentioned, with the RESET 
instruction.

-- 
Pete						Peter Turnbull
						Network Manager
						University of York



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