On Wed, 18 Mar 2015 08:19:38 -0500, Elardus Engelbrecht wrote: >> NILH R3,X'00FF' > >Just one question: You want bits 32-47 ANDed and replaced?
Yes NILH ANDs bits 32-47 of a register with the immediate data, and the result replaces the same bits in the register. "LH" stands for "Low High". The low word, high halfword. As you discovered, there are also HH, HL, and LL variants. And there are similar OR, Insert, and Load Logical immediate instructions. e.g. OILH, IILH, LLILH, etc. -- Tom Marchant ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
