module lu #(parameter width = 2) (
    input logic [1:0] op,
    input logic [2**width-1:0] A,
	 input logic [2**width-1:0] B,
    output logic [2**width-1:0] Y);
	 
    always_comb begin
		case (op)
			2'b00:	Y =   A & B;
			2'b01:	Y =   A | B;
			2'b10:	Y =   A ^ B;
			2'b11:	Y = ~(A | B);
			default: Y = '0;
		endcase
    end
endmodule