NE Not Equal Relational Operator MASM Operator expression1 NE expression2 Returns true (0FFFFh) if expression1 is not equal to expression2, else returns false (0000h). Notes: The expressions must resolve to absolute values. This operator treats its operands as 16-bit numbers. Expressions with the 16th bit on are negative. Thus -1 NE 0FFFFh is false. Seealso: