Oldest machine is a z15, and of course it's not a technical question - "exotic" is very much a matter of perception.
-- Shmuel (Seymour J.) Metz http://mason.gmu.edu/~smetz3 עַם יִשְׂרָאֵל חַי נֵ֣צַח יִשְׂרָאֵ֔ל לֹ֥א יְשַׁקֵּ֖ר ________________________________________ From: IBM Mainframe Assembler List <[email protected]> on behalf of Charles Mills <[email protected]> Sent: Thursday, July 11, 2024 4:08 PM To: [email protected] Subject: Re: Moving beyond S/370 Pick an exact ARCH level rather than just "nothing exotic." Set your HLASM options to that level. If HLASM flags nothing then there is your proof. (Whether your folks will accept it or not is a psychology question, not a technology question. <g>) Charles -----Original Message----- From: IBM Mainframe Assembler List <[email protected]> On Behalf Of Seymour J Metz Sent: Thursday, July 11, 2024 11:59 AM To: [email protected] Subject: Moving beyond S/370 I'm dealingusing these won't creat a maintena with some code that currently uses nothing newer than BAS/BASR. I've made some changes using a few newer instructions, plus the SP macros from the toolkit. Any advice on convincing reviewers that there's nothing exotic in these: CLIJx ELSE ENDIF EXRL IF J JAS LARL LAY NILL TMLL -- Shmuel (Seymour J.) Metz http://mason.gmu.edu/~smetz3 עַם יִשְׂרָאֵל חַי נֵ֣צַח יִשְׂרָאֵ֔ל לֹ֥א יְשַׁקֵּ֖ר
