How about some of my favorites:

 SG - store garbage
 TTZ - transfer to twilight zone (typically used with SG, above)
 CFM - come from
 RWD - rewind disk
 BSP - backspace card punch

-----Original Message-----
From: IBM Mainframe Assembler List [mailto:[email protected]] On 
Behalf Of Ray Mullins
Sent: Wednesday, July 27, 2011 1:47 PM
To: [email protected]
Subject: Re: z12 new instruction list

On 2011-07-27 00:34, robin wrote:
> From: "Martin Trübner" <[email protected]>
> Sent: Wednesday, 27 July 2011 4:43 PM
>
>
>> What?
>>
>>>> z12
>>
>> new box ?
>>
>>>> instructions
>>
>> maybe now we get DWIM?
>>
>> =Do what I mean.
>
> Still waiting for RSC
>
> (=Read and shred card).
>

XO or XOPR (Execute Operator) is still my all-time favorite.

--
M. Ray Mullins
Roseville, CA, USA
http://www.catherdersoftware.com/

German is essentially a form of assembly language consisting entirely of far 
calls heavily accented with throaty guttural sounds. ---ilvi French is 
essentially German with messed-up pronunciation and spelling.
  --Robert B Wilson
English is essentially French converted to 7-bit ASCII.  ---Christophe Pierret 
[for Alain LaBonté]

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