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At 08:34 05/12/1999 , Douglas Handy wrote:
>I actually had a programmer come to me in 1980 while he was writting a
>S/34 WORKSTN program (hist first, BTW).  He was excited, because he
>had discovered he could use H1-H9 if he set them off before the end of
>the cycle (yup, it did use the cycle).  He had already used 01-99,
>L1-L9 (albeit not for control breaks -- just indicators), and now also
>H1-H9.  He also asked why he couldn't use M1-M9, because he thought he
>still needed more indicators...

I think I worked on that program. Actually, you can do far better than
that. If you build a subroutine that compares each indicator and moves a
'1' or '0' to a data structure subfield for each indicator, you can have
unlimited SETS of indicators. The possibilities are endless. That way, you
can move one set to another with a SINGLE MOVE! You do have to remember to
restore the correct set at the bottom of the calcs though, or the detail
output conditioning indicators may not be set correctly. It works well if
you divide the program into multiple parts and use a different set in each
part. For instance, the main line and subroutines S0000 through S4999 can
use set 1, and S5000-S9999 can use set 2. You might also use odd-even
subroutine numbers to determine the set, or you could DIV by the number of
sets and MVR to determine the set number. You could even pass the number of
sets to use in with the LDA or a SPECIAL device file if you wanted to get
fancy!! I'll bet you could even use a table file to save them at the end of
the program. Who says you can't have object persistence with RPG!!!!
Pete Hall
pbhall@execpc.com
http://www.execpc.com/~pbhall
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