[Simh] SimH - PDP8 non existent io devices

[Johnny Billquist]

On 2018-12-15 20:20, Harold Bell wrote:
> I am mucking around with focal69 and when it initailizes it seems to refer to non existent io device numbers  I can't find any google references to.  What is the normal procedure when the cpu runs into a reference to an io device that does not exist?  Thanks for any guidance.

What do you mean? Is the question about what the CPU does if it tries to 
do operations on a non-existing device, or how you would figure out what 
type of the device the code is trying to muck around with, or something 
else?

   Johnny

-- 
Johnny Billquist                  || "I'm on a bus
                                   ||  on a psychedelic trip
email: bqt at softjar.se             ||  Reading murder books
pdp is alive!                     ||  tryin' to stay hip" - B. Idol