[Info-vax] date comparison format from a program

[Dave Froble]

On 5/21/2019 3:22 PM, gérard Calliet wrote:
> Le 21/05/2019 à 18:29, Hans Bachner a écrit :
>> Dave Froble schrieb am 21.05.2019 um 16:43:
>>> [...]
>>>
>>> Now, I may be wrong, same old territory for me, but, if I was designing
>>> something that had to last for a long time, I'd design it with "black
>>> boxes" that perform a task, but can be replaced (inside the box) with
>>> newer stuff.  As long as the "box" did what it was suppose to do, so
>>> what?  More viable, probably cheaper.
>>>
>>> [...]
>>
>> Well, this is exactly what an emulator like CHARON-VAX does.
> Of course.
>
> But the actual non emulated "box" does'nt depend on anything else, which
> cannot be the case for any emulation.
>
> It seems very difficult to freeze all a stack with in it: some intel
> hardware and some x boards, some windows version, the emulator.
>
> A real VAX with VMS 5.5-h4 can work years with not any reboot. I'm not
> sure it's the case with emulated solutions.

Sometimes I get curious.  What can you tell us about this frozen in time 
system and application?

-- 
David Froble                       Tel: 724-529-0450
Dave Froble Enterprises, Inc.      E-Mail: davef at tsoft-inc.com
DFE Ultralights, Inc.
170 Grimplin Road
Vanderbilt, PA  15486