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Bits Manipulation Functions
BClr Clears a bit in an integer number.
BSet Sets a bit in an integer number.
BTst Tests a bit in an integer number.
BChg Invert a bit in an integer number.
Lsl Shifts an integer number to the left.
Lsr Shifts an integer number to the right.
Shl / Asl Shifts an integer number to the left by keeping its sign.
Shr / Asr Shifts an integer number to the right by keeping its sign..
Rol Rotates an integer number to the left.
Ror Rotates an integer number to the right.