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Here's an article<http://www.brucevining.com/images/stories/CL_Articles/Working_with_Bits_Final.pdf>I
wrote a while back which demonstrates bit testing/setting from both CL
and
COBOL.It may be of use to you.

Bruce

On Wed, Jan 12, 2011 at 1:58 PM, Jason Abreu <
jason.abreu@xxxxxxxxxxxxxxxxxxxx> wrote:

Does anybody have experience with bit manipulation in COBOL?

I would like to be able to switch individual bits on/off in a single byte.

I imagined something like:

01 WORK.
05 CHAR-BYTE PIC X(01) VALUE X'40'.
05 BINARY-REP REDEFINES CHAR-BYTE.
10 BIT-1 PIC 1.
88 BIT-1-ON VALUE B'1'.
88 BIT-1-OFF VALUE B'1'.
... repeat for all 8 bits.


So usage could be something like

SET BIT-1-ON TO TRUE.
MOVE CHAR-BYTE TO FILE-FIELD.

Any ideas on this?
Thanks, ahead of time!
--
Jason Abreu
Abreu Innovations, Inc.
jason.abreu@xxxxxxxxxxxxxxxxxxxx
http://www.abreuinnovations.com/
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