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   ◄Operator Summary►  ◄Summary►  ◄Unary Minus►
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  Syntax:  expression1 - expression2
 
  Binary minus. Returns value of expression1 minus expression2. Has
  lower precedence than the unary (negative) minus. Can be used to
  subtract one memory operand from another, but only if the operands
  refer to locations within the same segment. The result is a constant.
 
  expression   An integer constant or memory operand. The result can be
               used as a memory operand.
 
   See Also:  plus (+)
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