Lou, why are you not using your debugger to trace these 5 instructions? That would show you exactly what is going on. There is no need to guess. At the very least blow it up with a program check rather than use a system service that will modify registers in the process.
Chuck Arney Arney Computer Systems Web: http://zosdebug.com Facebook: http://www.facebook.com/arneycomputer -----Original Message----- From: IBM Mainframe Assembler List [mailto:ASSEMBLER-LIST@LISTSERV.UGA.EDU] On Behalf Of esst...@juno.com Sent: Tuesday, August 19, 2014 4:30 PM To: ASSEMBLER-LIST@LISTSERV.UGA.EDU Subject: Re: Can Someone Point Out My error Here r1 is loaded from a Field called ANCHOR1@ It contains the address of a storage Block or structure Before using it I CHECK THE EYE CATCHER which I previously posted. There is a Compare for the value f the eye catcher to veridy that I am using the right Storage Structure, and I AM as evident by the JNE - not be taken. There is No Pruning of instructions These 5 instructions are executed as written . .