On Oct 1, 2010, at 10:12, robin wrote: > 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.
What's an "ordinary CLC" as opposed to an extraordinary CLC? And once you know that all 16 are the same, you can know the value of any one of them by an IC instruction. -- gil
