On Fri, 7 Jan 2022 15:29:55 -0500, Dave Clark wrote: > There is no VPKZ instruction in my manual. Something new?
New on the z14, I believe. You can get the Principles of Operation that corresponds to the z15 at https://publibfp.dhe.ibm.com/epubs/pdf/a227832c.pdf And the reference summary at https://www.ibm.com/support/pages/system/files/2020-07/SA22-7871-10.pdf -- Tom Marchant
