Depends on the situation. I was writing my own DUMP routine (via email)
and needed to look for repeated blocks (16-bytes). If found (more than
once), than I could insert a "Same as above".
Address Disp 0 1 2 3 4 5 6 7 8 9 A B C D E F
0...4...8...C..F
0087C9D4 0000 00000000 0000000000000000 *
............*
0087C9E0 000C 0000000000000000 0000000000000000
*................*
0087C9F0 001C to 0087CACF 00FB Same as above
0087CAD0 00FC 000000 *...
*
Frank M. Ramaekers Jr.
-----Original Message-----
From: IBM Mainframe Assembler List
[mailto:[email protected]] On Behalf Of robin
Sent: Friday, October 01, 2010 11:12 AM
To: [email protected]
Subject: Re: 16-bytes the same
From: "Frank M. Ramaekers" <[email protected]>
Sent: Friday, 1 October 2010 5:14 AM
>Doesn't the following statement check to see that all 16-bytes are
same?
>00251A D50E 5001 5000 00001 00000 8688 CLC 1(15,R5),0(R5)
Useful if you know the value of one of the bytes.
Not quite so useful if none of the values of the 16 bytes is known --
in which case an "ordinary" CLC would be simplest and clearest.
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