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  1.  Home
  2. RPG400-L
  3. April 2004

RE: packed v zoned in compiles

 >> I should have been clearer.... this is a field in an externally
 >> described file, and is defined in it's dds as 6s 0

RPG has done this forever - RPG III on S/38, RPG/400 on AS/400 and RPG IV.
Nothing new - you just haven't been paying attention <grin>

In essence all numerics are internally defined as packed unless they are
specifically defined in the program.  For example if you use an externally
described DS based on this file, you will find that the compiler honors the
6S.

If you think about the way RPG works, you can have one field name appearing
in multiple files.  It could be zoned in one file, packed in another, binary
in a third.  Obviously within the program they have to be reduced to a
single format since there is only one memory location.  The default for RPG
IV (as with its predecessors) is packed.  RPG II uses zoned I think.

Hope this makes sense.


Jon Paris
Partner400
www.Partner400.com

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