Re: RT-11 idle light pattern

2017-12-29 Thread Paul Koning via cctalk
> On Dec 29, 2017, at 9:16 AM, Noel Chiappa via cctalk > wrote: > >> From: Paul Koning > >> Here's what it looked like > > Not having RT11, I embedded this in a small stand-alone program (which took a > little work, Unix assembler being rather different :-), so I could see it (it > wasn't o

Re: RT-11 idle light pattern

2017-12-29 Thread Paul Koning via cctalk
Yes, RT11 (when it introduced Sysgen, which was later than V2) did so by supplying sources that had been stripped of their comments. So they were useful for sysgen but not (easily) useable for custom OS changes. DEC did offer source licenses for many of its operating systems, at extremely hi

Re: RT-11 idle light pattern

2017-12-29 Thread Charles Anthony via cctalk
(Not RT-11, PDP-11, or even DEC...) The Multics process scheduler quantum is 1/4 second; running processes are interrupted and rescheduled every 1/4 second. The idle process updates the light pattern and sleeps until the 1/4 timer runs out or an interrupt occurs. " " Idle with a flashing pattern

Re: RT-11 idle light pattern

2017-12-29 Thread Noel Chiappa via cctalk
> From: Paul Koning > Here's what it looked like Not having RT11, I embedded this in a small stand-alone program (which took a little work, Unix assembler being rather different :-), so I could see it (it wasn't obvious from the code what it did). Pretty clever, to get that complex a pa

DEC Rack In Sydney Area

2017-12-29 Thread Rob Jarratt via cctalk
Just in case there are Australian list members not on VCF, this may be of interest: http://www.vcfed.org/forum/showthread.php?61284-Free-DEC-Rack-and-Tru64-manu als-NSW-North-Shore Regards Rob