But can it IPL in 390 mode?

Charles

-----Original Message-----
From: IBM Mainframe Discussion List [mailto:[email protected]] On
Behalf Of Robert A. Rosenberg
Sent: Wednesday, February 10, 2016 9:44 PM
To: [email protected]
Subject: Re: AW: Re: You thought IEFBR14 was bad? Try GNU's /bin/true code

At 20:43 -0800 on 02/10/2016, Steve Beaver wrote about Re: AW: Re: 
You thought IEFBR14 was bad? Try GNU's /bin/tru:

>I would absolutely love to see someone code the TEXT-UNITS for a 
>DYNALLOC without using coded example and see how many days it would 
>take them
>
>The simplest code for a Br14 is
>
>       LA       R15,0
>                 BR       14
>
>It is a 2 instruction program that is as simple as it gets

I think that LA is actually a XR 15,15 or a SR 15,15.

Note that the zero'ing of 15 was one of the 2 mentioned APARs. The original
version did not clear 15 before returning via 14. I forget what the other
APAR was for.

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