I replied to this thread over on IBM-MAIN, not realizing that it originated from this list, but here is a copy if my reply for the archives:
There appear to be pretty stable PoOP links on Jim Elliot's CMOS Processor page: https://jlelliotton.blogspot.ca/p/cmos-processor-table.html HTH Peter -----Original Message----- From: IBM Mainframe Assembler List [mailto:ASSEMBLER-LIST@LISTSERV.UGA.EDU] On Behalf Of Seymour J Metz Sent: Wednesday, January 31, 2018 3:19 PM To: ASSEMBLER-LIST@LISTSERV.UGA.EDU Subject: Pu EXTERNAL EMAIL I sometimes add references to Wikipedia articles and would like to know whether there is a URL for a current z Principles of Operations manual that does not require an IBM userid. -- Shmuel (Seymour J.) Metz http://mason.gmu.edu/~smetz3 This message and any attachments are intended only for the use of the addressee and may contain information that is privileged and confidential. If the reader of the message is not the intended recipient or an authorized representative of the intended recipient, you are hereby notified that any dissemination of this communication is strictly prohibited. If you have received this communication in error, please notify us immediately by e-mail and delete the message and any attachments from your system.