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  • Subject: RE: Entry Parameters
  • From: "Sims, Ken" <KSIMS@xxxxxxxxxxxxxxxx>
  • Date: Fri, 21 Jan 2000 12:38:02 -0500

Hi Dave and the gang -

>Date: Thu, 20 Jan 2000 15:25:04 -0500
>From: "Shaw, David" <dshaw@spartan.com>
>Subject: RE: Entry Parameters
 ...
>In contrast, the RPG II compiler for the S36EE is supposed to
>prefer zoned because that's what it uses internally.

The Main Storage Processor for the real S/36 (and also the S/34) could only
handle zoned decimal numbers.  The only instructions for handling these
numbers were add and subtract, with no decimal places.  There was only a
"factor 2" and result field.  "Factor 2" could only be up to 16 digits.  The
result field had to be at least the length of "factor 2" and could be up to
15 digits longer.  The compiler had to generate multiple instructions to
handle anything more complex than this.

The compiler put routines into the programs to use byte handling
capabilities for packing and unpacking numeric fields if needed.

Ken
Southern Wine and Spirits of Nevada, Inc.
Opinions expressed are my own and do not necessarily represent the views of
my employer or anyone else.

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