PDP-11 Overlays

[Paul Koning]

> On Sep 21, 2015, at 5:16 PM, Jerome H. Fine <jhfinedp3k at compsys.to> wrote:
> 
> ...
> Another important aspect is that RT-11 has a few extra instructions
> in the overlay handler which determines if the overlay is already in
> memory. ...
> 
> My question is if TKB overlays also have these extra instructions?

Yes, it also tracks if something is already resident.  I haven't looked into the details.  (The only overlay machinery I studied to any significant extent is the RT-11 one.)

	paul