[Simh] Physical serial ports and SIMH

[Mark Pizzolato - Info Comm]

On Tuesday, August 13, 2013 at 11:42 PM, Cory Smelosky wrote:
> On Wed, 14 Aug 2013, Jörg Hoppe wrote:
> 
> > Hi,
> >
> > I'm in need of accessing physical tty's from SimH now too, see this
> > BeagleBone installation with 4x RS232:
> >
> > http://retrocmp.com/projects/pdp-11-70-panel-on-blinkenbone
> >
> > One idea was to let SimH simulate additional serial ports over telnet
> > as usual.
> > Access to physical ttys should be made outside SimH with some
> > "telnet-server-to-tty" bridge on the BeagleBone Linux itself.
> > For MS-Windows such solutions exist, search for "IPCOMSERVER".
> > But I found nothing similar on Linux.
> >
> > Did anybody researched in that direction?
> >
> 
> Recent (read: git) SIMH builds allow you to attach the console to a physical
> port.

Actually, to be more precise, the latest simh code allows direct connection of not only the console port, but any simulated serial device (DZ, VH, etc.) to physical serial ports.

The latest code is available at https://github.com/simh/simh/archive/master.zip

- Mark



> > Am 26.06.2013 17:01, schrieb Gregg Levine:
> >> Hello!
> >> Right now I am tooling up to try out an idea or two concerning the
> >> PDP-11 emulation. This is to be run on a Raspberry Pi running the
> >> latest release of their Raspberry specific Debian release. (Also
> >> fully updated and upgraded.)
> >>
> >> The device has the two USB connections ostensibly for a keyboard and
> >> mouse, but one gentleman I know managed to make use of the serial
> >> port function on one of them, and attached a USB to serial adapter to
> >> one of the connections. So obviously I can connect two adapters to
> >> the two ports there.
> >>
> >> But what about the serial port embedded on the GPIO connectors? Can I
> >> make use of that one?
> >>
> >> I know normally that SIMH emulates a chosen computer and only fairly
> >> recently with some of them do communicate with the outside world via
> >> Ethernet, but for what I'm planning and working on, it seems to be a
> >> good fit. Should it work I might be able to upscale the working
> >> programs to Mr Wilson's product running on an X86 board instead, or
> >> even an actual PDP-11 model.....
> >> -----
> >> Gregg C Levine gregg.drwho8 at gmail.com "This signature fought the Time
> >> Wars, time and again."
> >> _______________________________________________
> >> Simh mailing list
> >> Simh at trailing-edge.com
> >> http://mailman.trailing-edge.com/mailman/listinfo/simh
> >>
> >>
> >
> 
> --
> Cory Smelosky
> http://gewt.net Personal stuff
> http://gimme-sympathy.org Projects