bas7qck.hlp (Table of Contents; Topic list)
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OR Operator
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result = numeric-expression1 OR numeric-expression2
 
    ■ The logical "inclusive 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                       1
                1                        0                       1
                0                        1                       1
                0                        0                       0
      ═══════════════════════   ════════════════════════   ═════════════