Dr. Shum is the man! If you really want a definitive answer to "what is the fastest way to clear a register?" and everything beyond that, check out his presentation.
Charles -----Original Message----- From: IBM Mainframe Discussion List [mailto:ibm-m...@listserv.ua.edu] On Behalf Of Jim Mulder Sent: Friday, July 23, 2021 3:21 PM To: ibm-m...@listserv.ua.edu Subject: z processor primer version 3 released https://community.ibm.com/community/user/ibmz-and-linuxone/blogs/c-kevin-shu m/2021/07/23/z-primer-version-3-release Jim Mulder z/OS Diagnosis, Design, Development, Test IBM Corp. Poughkeepsie NY ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN