> -----Original Message-----
> From: IBM Mainframe Discussion List On Behalf Of Binyamin Dissen
> 
> On Wed, 16 Jul 2014 17:38:48 +0000 "Chase, John" <jch...@ussco.com> wrote:
> 
> :>Hi, List,
> :>
> :>While browsing around looking for something else, I noticed in an 
> IBM-supplied load module the
> following sequence at the entry point:
> :>
> :>90EC D00C
> :>188D
> :>E3D0 021C 0017
> :>
> :>WTH is 'E3D0' ??  It seems to be missing from the "List of Instructions by 
> Op Code" in the 10th
> edition of z/Architecture Principles of Operation, published September 2012.
> 
> Some instructions have the rest of the opcode split out. E3 is a RXY format 
> instruction. E3 -- 17 is
> LLGT.

Fascinating.  Sure enough, it's in the list at E317.

Thanks to all who replied.

  -jc-

**********************************************************************
Information contained in this e-mail message and in any attachments thereto is 
confidential. If you are not the intended recipient, please destroy this 
message, delete any copies held on your systems, notify the sender immediately, 
and refrain from using or disclosing all or any part of its content to any 
other person.

----------------------------------------------------------------------
For IBM-MAIN subscribe / signoff / archive access instructions,
send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN

Reply via email to