[Info-vax] Meditech in the news

[George Cornelius]

Sam Weiner <weiner at shell02.theworld.com> wrote:
> In article <61e59077$0$699$14726298 at news.sunsite.dk>,
> Arne Vajh??j  <arne at vajhoej.dk> wrote:
>>On 1/17/2022 7:55 AM, George Cornelius wrote:
>>> Arne Vajh?j <arne at vajhoej.dk> wrote:
>>>> On 1/6/2022 3:01 PM, Arne Vajh?j wrote:
>>>>> On 1/6/2022 10:46 AM, Arne Vajh?j wrote:
>>>>>> One may not like MUMPS and its variants.
>>>>>
>>>>> For those with an strong desire to try MUMPS aka M on VMS, then:
>>>>>
>>>>> https://sourceforge.net/projects/fis-gtm/files/GT.M-Alpha-OpenVMS/V6.2-001/
>>>>>
>>>>> should be a VMS Alpha build of GT.M version 6.2 (no VMS version of
>>>>> 6.3 or 7.0).
>>>>>
>>>>> I have not tried it myself.
>>>>
>>>> Now I have. Hello world works.
>>>>
>>>> $ type test.m
>>>> hello()
>>>>    write "Hello world from Mumps!",!
>>>>    quit
>>>> $ mumps test
>>>> $ link test
>>>> $ r test
>>>> Hello world from Mumps!
>>> 
>>> Congratulations!
>>> 
>>> Though Greystone ran here for a number of years on AIX, I never
>>> bothered to ask for access to it, nor did I try to install it
>>> under VMS.
>>> 
>>> Would be curious as to what the compiled code looks like, though.
>>> 
>>> Greystone was unusual in that it generated object code. I suspect
>>> it was a lot of calls to subroutines. Or a bit of setup code followed
>>> by invoking an interpreter for, say, stack-machine code.
>>> 
>>> If the latter, not sure why it would be necessary to have separate
>>> compilation - other environments just perform a hidden precompile -
>>> except that, if the language had the capability to call external
>>> routines, you could link those routines directly in with the compiled
>>> Mumps code and not have to have a special shared library of
>>> globally defined external routines [*],[**].
>>
>>Separate compile and link is the VMS way ...
>>
>>I don't know how the compiled code looks like.
>>
>>It supports /LIST but not /LIST/MACH (well it accept the
>>/MACH but does not produce anything).
> 
> [smw] The machine list feature requires a debug build.
> 
> [smw] The object code is largely, though not completely, calls into the
> runtime C code.
> 
> [smw] You don't need to precompile the source to the M routines and
> "MUMPS /DIRECT" will get a prompt at which you can type M commands.
> "DO ^routine" will compile routine.m if needed and execute it.
> 
> [smw] The Programmer's Guide which should be on sf.net is pretty good.

Thanks, Sam!

c.o.vms still has it: ask a question, get a discussion, then a day or
two later, a definitive answer from an expert.

George
> 
> Sam
> 
>>Do we have a disassembler for VMS Alpha?
>>
>>(never used one since DISM32 that was VMS VAX)
>>
>>Arne
> 
>