XOR              Bitwise Logical XOR                            MASM Operator

expression1 XOR expression2

Performs a bitwise logical XOR between expression1 and expression2.
The following table shows the result of applying XOR between two
single-bit numbers

Bit      Bit      Result
0        0         0
0        1         1
1        0         1
1        1         0

See also: AND
See also: NOT
See also: OR

XOR Bitwise Logical XOR