You said "a little bit" in the LE PG. From a quick glance, I'd say there is "a lot" in the LE PG and that most of your questions are answered by what is in there, especially in subtopics (stack frame, save area layout, register usage) so it's difficult to know what else to add.
https://www.ibm.com/docs/en/zos/3.1.0?topic=environment-using-extra-performa nce-linkage-xplink Jonathan Scott -----Original Message----- From: IBM Mainframe Assembler List <[email protected]> On Behalf Of Charles Mills Sent: 21 April 2025 17:37 To: [email protected] Subject: Re: XPLINK register conventions for called HLASM? Really? No one knows this stuff? I don't feel so bad. Charles
