Well, IBM recently sued Micro Focus for allegedly trying to reverse engineer 
IBM’s software. Why make it easier?


Sent from Yahoo Mail for iPhone


On Thursday, April 6, 2023, 11:33 AM, Farley, Peter 
<0000031df298a9da-dmarc-requ...@listserv.ua.edu> wrote:

I've suspected for a long time that part of the continuing "closed" decision 
for the PL/* family of language compilers is that more recent versions may 
include facilities/capabilities at the millicode-level which if opened to the 
world would then expose "too much" of IBM's hardware IP.

That is rampant speculation of course, and I would not expect IBM to admit or 
deny it.

Peter

-----Original Message-----
From: IBM Mainframe Discussion List <IBM-MAIN@LISTSERV.UA.EDU> On Behalf Of 
Schmitt, Michael
Sent: Thursday, April 6, 2023 11:09 AM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: Fascinating Interview with Steve Jobs [non-mainframe] - now Gary 
Kildall

On my system I can find programs compiled with:

PL/S II
PL/AS
PL/S III
PL/AS FT
PL/X 370
PL/X 390

And it looks like the current version is "zPLX" 3.2.1, compiled 6/6/2021.

I'm guessing this is PL/X for z/OS.


-----Original Message-----
From: IBM Mainframe Discussion List <IBM-MAIN@LISTSERV.UA.EDU> On Behalf Of 
Schmitt, Michael
Sent: Thursday, April 6, 2023 8:55 AM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: Fascinating Interview with Steve Jobs [non-mainframe] - now Gary 
Kildall

Then what do you call the current version?

For example, z/OS 2.4 LE module CEEBINT was compiled on 3/12/2019 with a 
compiler identification string of "PL/X-390" v2.4, which I assumed meant that 
it was compiled with PL/X 390.


-----Original Message-----
From: IBM Mainframe Discussion List <IBM-MAIN@LISTSERV.UA.EDU> On Behalf Of 
Charles Mills
Sent: Wednesday, April 5, 2023 10:28 PM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: Fascinating Interview with Steve Jobs [non-mainframe] - now Gary 
Kildall

I remember IBM charging and then refunding for PartnerWorld.

I passed on PLX: did not see committing to an unsupported language that might 
be withdrawn at any time (as it was).

IBM should open source PL/X 390. Hardly would give away their secret sauce at 
this point! PL/X 390 -- not current PL/X whatever it is called.

Charles

On Wed, 5 Apr 2023 22:05:34 -0400, Phil Smith III <li...@akphs.com> wrote:

>On 4/4/2023 10:09 AM, Schmitt, Michael wrote:
>> The language I'd be interested in is PL/X 390.
>
>~1992 (don't hold me to that date), IBM announced that PartnerWorld was 
>now pay-to-play, $5K/year. We gritted our teeth and ponied up. One of 
>the benefits of the new scheme was that you could now get PL/X! So I 
>asked for it, got a nice minireel.
>
>A few months later, they changed their minds. I got to go to my VP with 
>a good news/bad news story, and they were the same piece of news: IBM 
>was refunding.most of our money. Seems POK had to pay RAL for the PL/X 
>license, which they couldn't get back, so they took it out of our $5K.
--

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