[Simh] fprint_sym and parse_sym limitation

[Mark Pizzolato - Info Comm]

On Wednesday, September 23, 2015 at 8:31 AM, Paul Koning wrote:
> > On Sep 22, 2015, at 7:59 PM, Mark Pizzolato - Info Comm
> <Mark at infocomm.com> wrote:
> >
> > On Monday, September 14, 2015 at 6:20 AM, Paul Koning wrote:
> >> ...
> >> Ok.  This is another example of something undocumented.
> >
> > True.
> >
> > Meanwhile, I was thinking this over one more time  and I realized that I had
> forgotten that there are already 2 user/device specific void pointers in the UNIT
> structure:
> >
> > 	uptr->up7
> > 	uptr->up8
> >
> > Do with them as you wish.
> 
> Thanks.
> 
> That prompted me to look in sim_defs.h to see if there are other gems hiding.
> There are.
> 
> I'm going to make a stab at updating simh.doc with what I can see, and
> description of what I understand or TBS for what I see but don't know how to
> document.

Great!

Please start from the latest simh.doc from the github repo.  

Please come back with your TBS list and we'll flesh out what is needed.

- Mark