z390 developer meeting

Abe Kornelis

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Apr 1, 2025, 5:56:43 AMApr 1

to z390

All,

it's been a long time, but we're having a z390 developers meeting again.

We'll be discussing the status quo and development plans for z390.

Hope to see you there!

Kind regards & happy programming,
Abe Kornelis
==========

https://teams.live.com/meet/936640015321?p=jqWPw73ipLka3NPAKo

Location	Local Time	Time Zone	UTC Offset
Brisbane (Australia – Queensland)	Thursday, 3 April 2025 at 6:00:00 am	AEST	UTC+10 hours
Dallas (USA – Texas)	Wednesday, 2 April 2025 at 3:00:00 pm	CDT	UTC-5 hours
Amsterdam (Netherlands)	Wednesday, 2 April 2025 at 10:00:00 pm	CEST	UTC+2 hours
Corresponding UTC (GMT)	Wednesday, 2 April 2025 at 20:00:00

Abe Kornelis

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Apr 5, 2025, 4:06:52 AMApr 5

to a...@bixoft.nl, z390

All, we've had a good meeting earlier this week. we're resuming maintenance activities, and are planning to resume meetings roughly once a month. we're much anticipating the new PoP. I'll keep you all posted on progress. Happy Programming to all of you!

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Bill B

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Apr 18, 2025, 9:36:39 PMApr 18

to z390

I had a good time playing with this a few years ago and noticed that it basically stagnated after Dan Higgins retired. On a whim I decided to see if anything was happening. So this is exciting news.

Sorry if this is a dumb question... but what's a PoP?

René Jansen

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Apr 19, 2025, 12:47:05 AMApr 19

to z390

The Principles of Operation - the book that names all instructions of the machine (and a lot more): https://www.vm.ibm.com/library/other/22783213.pdf

On 19 Apr 2025, at 03:36, Bill B <bill...@gmail.com> wrote:

Sorry if this is a dumb question... but what's a PoP?

Best regards,

René.

Abe Kornelis

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Apr 19, 2025, 1:57:55 AMApr 19

to Bill B, z390

Hi Bill,

it's the official IBM publication detailing the behaviour of each instruction, how memory is organized (logically) etcetera. Since the arrival of zArchitecture IBM have published versions 00 through 13. Version 14 for the z17 is expexted June, 18th.

I am currently working to build support for all optable() and machine() assembler options. Adding support for all the newer instructions would be nice, but there's only so much one can do after work and family matters...

kind regards & happy programming!

Abe Kornelis.

To view this discussion visit https://groups.google.com/d/msgid/z390/0b7cc0f5-c293-4f4a-91e5-de50bd236f48n%40googlegroups.com.

Bill B

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Apr 20, 2025, 1:43:59 PMApr 20

to z390

Thank you. I'm aware of the book, I guess the term didn't register with me. It's been a long time since I did this on a daily basis.

Bill

Bill B

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Apr 20, 2025, 1:52:30 PMApr 20

to z390

Sorry I mistakenly referred to Don Higgins as Dan Higgins

Bill

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