Paul,

Did you try ICMH (Insert Characters Under Mask High) ?

Thanks,
Kolusu

IBM Mainframe Discussion List <IBM-MAIN@LISTSERV.UA.EDU> wrote on 
07/17/2015 05:03:56 PM:

> From: Paul Schuster <pgs4ibmm...@pacbell.net>
> To: IBM-MAIN@LISTSERV.UA.EDU
> Date: 07/17/2015 05:04 PM
> Subject: 64 bit ICMxx ?
> Sent by: IBM Mainframe Discussion List <IBM-MAIN@LISTSERV.UA.EDU>
> 
> Recently got into some real 64-bit coding. Noticed that there is no
> 64-bit version of ICM. I am used to doing ICM R1,B'1111',FIELD and then 
a JZ.
> 
> It seems for a 64 bit register, there is no ICMxx 
R1,B'11111111',64bitfield 
> equivalent. I have to do a   LG R1,64bitfield and then a LTGR R1,R1 
> and then the JZ.
> 
> I'm sure this was not overlooked by the engineers, so am I missing 
> something?  Or
> is this just a new paradigm going forward with 64 bit code?
> 
> Thank you.
> 
> Paul
> 
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