"The current PSW is replaced by a 16-byte PSW formed from the contents of the doubleword at the location designated by the second-operand address. Figure 4-3 on page 4-8 illustrates the contents of the second operand."
-- Shmuel (Seymour J.) Metz http://mason.gmu.edu/~smetz3 ________________________________________ From: IBM Mainframe Discussion List [IBM-MAIN@LISTSERV.UA.EDU] on behalf of Paul Gilmartin [0000042bfe9c879d-dmarc-requ...@listserv.ua.edu] Sent: Tuesday, January 10, 2023 7:19 PM To: IBM-MAIN@LISTSERV.UA.EDU Subject: Re: Question and CZAM and IPL On Tue, 10 Jan 2023 23:35:57 +0000, Seymour J Metz wrote: >The actual PSW in the processor is 16 bytes, but the short form PSW in storage >is 8 bytes. > Perhaps more (search for string "scrunch"): <https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.ibm.com%2Fdocs%2Fen%2Fzos%2F2.2.0%3Ftopic%3Dinformation-ihalccx-mapping&data=05%7C01%7Csmetz3%40gmu.edu%7C3857e33ccfd546a5563008daf36988c8%7C9e857255df574c47a0c00546460380cb%7C0%7C0%7C638089931849554149%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=orGlx9AoWJVgDhg0Xw7QoKS8d9Gmve1luhZjFWDf9ic%3D&reserved=0>. Is LPSW capable of distinguishing the two forms, and accepting either? -- gil ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
