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-----Original Message----- From: IBM Mainframe Discussion List [mailto:IBM-MAIN@bama.ua.edu] On Behalf Of Donald Likens Sent: Wednesday, May 25, 2011 8:22 PM To: IBM-MAIN@bama.ua.edu Subject: Re: Use of MCSOPMSG Thanks for looking at this... I have abended after the OPMSG macro and R1 looked exactly like R9 in this dump. Here is my code to set R9 and I display the return code MCSOPMSG DS 0H MCSOPMSG REQUEST=GETMSG,NAME=CONNAME,RTNCODE=MCS_RC, X RSNCODE=MCS_RS EMCSMSG DS 0H CPYA R9,R1 LR R9,R1 *C IF TRACING THEN CLI WKPARM,C'T' BNE TR001 *C WRITE 'MEAC0T1 MCSOPMSG HEX RC=' SPUT MEAC0T1,L=MEAC0T1L <== Display MCS_RS and MCS_RC (in hex). Does this look correct? Am I using IPCS correctly to look at the MCS dataspace? You were correct about the MDB ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@bama.ua.edu with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html