INT O8 handler

 BBS: Inland Empire Archive
Date: 09-09-92 (12:21)             Number: 96
From: STEVE GARTRELL               Refer#: NONE
  To: ALL                           Recvd: NO  
Subj: INT O8 handler                 Conf: (2) Quik_Bas

   HEY....Didn't think about something till just now.  If you wish to use
variables in the handler subroutine after the INT ends up
there, you better use those that are DIM SHARED at the
module level.  Otherwise, the compiler will assume stack
variables, and do something gruesome like move a value to
[bp - 12], when that part of the stack is no longer in
use, and only the Big Gremlin In The Code knows where in
memory it'll end up.  It could be really bad, if you were
close to the bottom of the stack...
  In other words, that handler circumvents all of the nice
things that a modern compiler does for you.  You have to
think ASM.
   About half of my mind is starting to say "posting that
was like giving matches to children."  The other half, of
course, is saying "but these children already have flame
throwers...."...|-}
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