[Simh] More on VAX Emulation under Linux

[Hittner, David T.]

Can't answer your autoboot question. Look in the SIMH FAQ and see if the
answer is there. Make sure that you can write (save) the NVR file, so
that the changes can be saved for the next run. The order of the dep bdr
0 may be important - it might need to be after the NVR load and/or the
set cpu conhalt.
 
Running X on the system... you can start X (@DECW$STARTUP) on a MicroVAX
3900 if you have the proper PAKs and software loaded, so that you can
connect to VMS via X using an external XServer, but since the MicroVAX
3900 does not have the VAXStation 3900's QDSS graphics console hardware,
you cannot have a local X graphics console monitor on the system.
 
I connect my Hummingbird X Server (on Windows XP) to my SIMH VAX running
DECwindows to give me the nice DECterm all the time. Much better than a
standard VT220 emulation.
 
Dave
 



________________________________

	From: simh-bounces at trailing-edge.com
[mailto:simh-bounces at trailing-edge.com] On Behalf Of John
	Sent: Friday, June 16, 2006 7:46 AM
	To: simh at trailing-edge.com
	Subject: [Simh] More on VAX Emulation under Linux
	
	
	'lo all...
	
	Well, I have an emulation of VAX running under SIMH and it works
Ok, thanks to Phillip Wherry's article, Running
<http://www.wherry.com/gadgets/retrocomputing/vax-simh.html>  VAX/VMS
Under Linux Using SIMH
<http://www.wherry.com/gadgets/retrocomputing/vax-simh.html> .
	
	I've followed everything listed in the article and even though
there are a couple of things that need to be updated in it (specifically
about what happens when registering the VMS Licence PAK), I've been able
to get my 'VAX' (window) running under Linux (I'm using a derivative of
Slackware Linux <http://www.slackware.com/>  called Zenwalk Linux
<http://www.zenwalk.org/> ).
	
	Not being super-clever in terms of Linux, I was wondering how
the system might be set-up so that it 'effectively' boots as a VMS
system.  I'm currently following the article and have a call to the VAX
emulator in a script that is called from /etc/rc.d/rc.local (and run
with a delay as a background process), as well as running Linux without
X11.  This means the PC boots as a text-screen only Linux PC and I need
to type ALT-F8 to get to the VAX 'console'.  When I do, the system is
resting at the boot prompt ('>>>') and I can start the VMS boot process
manually.  I have the dep bdr 0 and set cpu conhalt commands in the
vax.ini file, as written later in the article but the emulation still
wakes-up at the boot prompt the first time.  If I shutdown the VAX
emulation (with/without reboot), it behaves as expected... but how to
get it running that first time?
	
	Also, I wonder if it is possible to get Motif/DecWindows running
in this sort of system...  We have the licence PAKs etc but will the
software/emulator handle the GUI side of things...  or do I need to have
a real VAXstation?
	
	Many thanks, once again, for any suggestions.
	
	Regards
	
	
	John
	

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