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Subject: SNL/SEQUENCER 1.9 not backwards compatible
From: Johnny Tang <[email protected]>
To: [email protected]
Date: Fri, 31 May 96 16:00:19 EDT
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Mailer: Elm [revision: 70.85]


Comments on SNL/SEQUENCER 1.9 not backwards compatible
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We would like to use the new features in SNL/SEQUENCER 1.9.
However, Too many places in the existing SNL codes (developed
under SNL/SEQUENCER 1.8.3) are needed to be modified before 
we can take the advantages of new features and the bug fixed 
with version 1.9.

Since the down time is limited, we may have to sacrifice
using 1.9 sequencer for now. We at least found two places
that causes the incompatibility between SNL/SEQUENCER 1.8.3 
and 1.9:

1. var_ptr in 1.8.3 vs. pVar in 1.9
   Solution: Global replacement / use #ifdef

2. Some SNL built-in functions are no longer working in
   escaped C code with 1.9, but was working with 1.8.3
   Solution: modify the SNL code (many places !)

Is there any one in the collaboration running into the same
problems ? Can you share your solutions to the above
problems we ran into with us ? Or have you found any other
places that causes the difficulty to port SNL code from
1.8.3 to 1.9 version of SNL/SEQUENCER ?

Suggestions or comments are welcome.

Johnny Tang
JTNAF


-
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Johnny Tang     Voice: (804)249-7239  E-Mail: [email protected]
Continuous Electron Beam Accelerator Facility
12000 Jefferson Avenue, MS 85A
Newport News, Virginia 23606
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