RE: Bitwise ops in RPG (was: Re: Determining *DS4 support)

Hi Mark,

We exchange messages with several different slot machine systems from
several vendors at our seven casinos and every one of them requires xor'ing
some field values to conform to the slot system.  Totals 100,000's of times
a day.  We also exchange messages with the telco switches at our hotels and
they also require xor'ing of data albeit in MUCH smaller numbers of
occurrences.  Some times it's for storage savings in the external systems
and sometimes its just to make their systems proprietary.

We've got a table driven method now that functions, but I'm betting a %bif
would be faster and the volume is considerable.  

Tom

-----Original Message-----
From: M. Lazarus [mailto:mlazarus@ttec.com]
Sent: Tuesday, November 14, 2000 6:28 PM
To: RPG400-L@midrange.com
Subject: RE: Bitwise ops in RPG (was: Re: Determining *DS4 support)


Tom,

At 11/14/00 11:39 AM -0800, you wrote:
>I prefer the BIF format.  And I would like the %BITXOR *IMMED!  :-)
>
>The prefix of %BIT is clear and unambiguous and just seems much easier to
>read to my eyes.

  Can you give me a few practical examples where you would use bitwise 
operators?

  -mark

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