Thanks Paul, unfortunately I'm running RSTS V7 and tbh I'd like to keep it that way because I want to show the old style CLI rather than DCL. I did try depositing the date and time values as suggested and just on the off chance but it didn't work.
Rgds Bryan On 18 January 2018 at 16:05, Paul Koning <paulkon...@comcast.net> wrote: > > > > On Jan 18, 2018, at 10:40 AM, Bryan Davies <bryan.e.dav...@gmail.com> > wrote: > > > > Many thanks to all for the advice. Unfortunately I'm still not quite > there. > > There is an easy solution if you have a recent RSTS. > > The OS keeps date and time in location 1000-1004. That is preserved > across boot, and if on entry to INIT those locations contain what seems > like a valid date, that's used as the system date/time. This is why the > more recent versions of RSTS don't prompt for date/time if you do a restart > (SHUTUP with restart) or use the BOOT command in INIT. > > Second, if you're running V10.1, the "Start timesharing" prompt has a 10 > second timeout, and will default to "yes" (i.e., start RSTS) at that point. > > So if you start SIMH with a startup script that deposits the date in 1000, > and time in 1002, then issues the SIMH boot command, RSTS INIT will pick up > that date/time and after 10 seconds will go on to start the OS. > > RSTS date format: (year-1970)*1000 + day_in_year > RSTS time format: 1440 - (minutes_since_midnight) > RSTS seconds: 60 - (seconds_since_minute) > > For example: > > $ pdp11 pdp11-42.ini > > PDP-11 simulator V4.0-0 Beta git commit id: d3b6018d > sim> d -d 1000 32004 > sim> d -d 1002 720 > sim> d -d 1004 30 > sim> bo rq > ? > Thu Jan 18 11:02:00 2018 > > RSTS P10.1-L V101XM (DU0) INIT V10.1-0L > > 04-Jan-02 12:00 PM > > > Start timesharing? <Yes> NO > > I entered the values in decimal (with -d) for convenience. You can see > the correct date and time are picked up by INIT. Seconds are not displayed > here but they are saved, so you can set them if you want to be that precise. > > paul > >
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