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Assembler 24bit to 31 bit conversion

 
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pramodg

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Joined: 04 Sep 2012
Posts: 5
Location: India

PostPosted: Tue Sep 04, 2012 5:04 pm    Post subject: Assembler 24bit to 31 bit conversion
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I am new to Assembler programming and my first assignment is to convert 24 bit assembler programs to 31 bit.
Would like to know what are the considerations for such conversions. What details I need to know about the programs before starting with the conversion?
What changes may be needed in the Assembler programs?
What changes are needed in the calling and called programs?
Any other challenges?
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enrico-sorichetti

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Joined: 14 Mar 2007
Posts: 10326
Location: italy

PostPosted: Tue Sep 04, 2012 5:09 pm    Post subject: Reply to: Assembler 24bit to 31 bit conversion
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Quote:
I am new to Assembler programming and my first assignment is to convert 24 bit assembler programs to 31 bit.


who is the idiot who assigned this task to a beginner icon_eek.gif

unfortunately what You ask for cannot be answered on a forum,
forums are for <quick and dirty> questions/answers

converting from 24 to 31 bits ( wiser consider also the 64 bits implications )
takes more that a few lines to explain

what happened when You googled
the first page of a google search with ( verbatim )
ibm assembler 24 31 bit conversion
returned almost all You need to meditate on !

for example
http://www-01.ibm.com/support/docview.wss?uid=swg27001514&aid=1
http://publib.boulder.ibm.com/infocenter/zos/v1r11/index.jsp?topic=/com.ibm.zos.r11.ieaa600/iea2a69051.htm
...

good luck, You will need lots of it

will the converted assembler have to be LE compliant ???
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dbzTHEdinosauer

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Joined: 20 Oct 2006
Posts: 6968
Location: porcelain throne

PostPosted: Tue Sep 04, 2012 5:28 pm    Post subject:
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Quote:
will the converted assembler have to be LE compliant ???


LE who?
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Bill O'Boyle

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Joined: 14 Jan 2008
Posts: 2504
Location: Atlanta, Georgia, USA

PostPosted: Tue Sep 04, 2012 6:32 pm    Post subject: Reply to: Assembler 24bit to 31 bit conversion
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You're way in over your head and you're going to need a senior colleague to work with.

Your management should have their head examined assigning a task like this to someone who does not have an Assembler background.

Is this both Batch and CICS?

Do the Batch programs contain DCB's or any other reference which requires 24-Bit addressing?

There's much more to this than just what I've outlined.
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dick scherrer

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Joined: 23 Nov 2006
Posts: 19270
Location: Inside the Matrix

PostPosted: Tue Sep 04, 2012 7:23 pm    Post subject: Reply to: Assembler 24bit to 31 bit conversion
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Hello and welcome to the forum,

Yup, you have a rather major task to accomplish icon_cool.gif

Are you able to read and understand the assembler code you need to upgrade? If not, suggest you get some beginning assembler training before starting to convert code.

When you are ready to actually modify come code, suggest you pick a moderately basic module for the first time thru. This code should (at most) read and write sequential files (to prevent the risk of damaging anything). When you get stuck, post what you are trying to do and what happened (abend, error message, whatever) and someone may be able to offer a suggestion.

We are not able to teach languages here, but we can help with specific issues.

Good luck icon_smile.gif

d
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