bas7qck.hlp (Table of Contents; Topic list)
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XOR Operator
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result = numeric-expression1 XOR numeric-expression2
 
    ■ The logical "exclusive or" operator compares corresponding bits in
      numeric-expression1 and numeric-expression2, then sets the corresponding
      bit in the result according to the following table:
 
      ═══════════════════════   ════════════════════════   ═════════════
      Bit in first expression   Bit in second expression   Bit in result
      ═══════════════════════   ════════════════════════   ═════════════
               1                         1                       0
               1                         0                       1
               0                         1                       1
               0                         0                       0
      ═══════════════════════   ════════════════════════   ═════════════