!= means "Not Equal" could use <> instead
^ means "Bitwise Exclusive OR"
4.17.14. Bitwise Operators
Bitwise operators act on each bit of a value in boolean fashion. They can be used to isolate bits or add bits into a value.
B0 = B0 & %00000001 ' Isolate bit 0 of B0
B0 = B0 | %00000001 ' Set bit 0 of B0
B0 = B0 ^ %00000001 ' Reverse state of bit 0 of B0
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