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     You can set a breakpoint if a symbol or memory range changes when
     the program reaches a given location. To break at a location
     when a symbol changes, enter a Breakpoint Set (BP) command of the
     form
 
          BP breakaddress = symbol
 
     where <breakaddress> gives the breakpoint location and <symbol> is
     the name of the symbol watched for changes.
 
     To break at a location when a memory range changes, enter a BP
     command of the form
 
          BP breakaddress = symbol #range
 
     where <breakaddress> gives the breakpoint location and <range> is
     the range watched for changes. The size of this range is the
     <range> multiplied by the size that the <symbol> represents. For
     example, in the expression
 
          BP = DS:0000 int_value #8
 
     if int_value is 2-byte value, the watch range is 16 bytes.
 
     See: ◄Breakpoint and View Addresses►
          ◄BP Command (expression changes)►
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