[Info-vax] VMS Software needs to port VAX DIBOL to OpenVMS X86 platform

Rich Alderson news at alderson.users.panix.com
Sat Dec 26 19:59:47 EST 2020


"Craig A. Berry" <craigberry at nospam.mac.com> writes:

> On 12/26/20 9:43 AM, Simon Clubley wrote:
>> On 2020-12-26, Craig A. Berry <craigberry at nospam.mac.com> wrote:

>>> On 12/26/20 9:21 AM, Simon Clubley wrote:
>>>> On 2020-12-26, Arne Vajhøj <arne at vajhoej.dk> wrote:
>>>>> On 12/26/2020 6:16 AM, Simon Clubley wrote:

>>>>>> Is anyone still using PL/I BTW ?

>>>>>> I thought DEC sold off the PL/I compiler and that the person it was
>>>>>> sold to retired and either sold off or wound down his business.

>>>>> Kednos & Tim Sneddon?

>>>>> Arne

>>>> Yes, that was him. Thanks for reminding me of the name.

>>> It was Tom Linden, not Tim, who owned Kednos.  I think Tim worked there
>>> at some point and kednos.com now redirects to Tim's endlesssoftware.com.

>> Thanks for the correction. It's not a language I have ever used and
>> I have long forgotten any detailed knowledge of who PL/I was sold to.

> I've never used it either and I know nothing about current ownership or
> plans.  I just remember that it came up in discussions of what gets lost
> in a platform port.

> There is a now-moribund PL/I project for the GCC back end:

> <http://pl1gcc.sourceforge.net>

> and there is a proprietary compiler that runs on Linux:

> <http://www.iron-spring.com/about.html>

> Both of these emulate IBM PL/I and would likely require a monumental
> effort to replace DEC PL/I.

As I remember the book on the VAX (VMS) port, the goal was very much to
"emulate" (implement) IBM PL/I, so I doubt that there would be that much
effort for any implementation with the same goal...

-- 
Rich Alderson					  news at alderson.users.panix.com
      Audendum est, et veritas investiganda; quam etiamsi non assequamur,
	  omnino tamen proprius, quam nunc sumus, ad eam perveniemus.
									--Galen



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