Sumador con detector de overflow

module Sumador#(parameter Width = 25, Signo = 1, Magnitud = 8, Presicion = 16)// Parametros por senal
(A, B, Y);   //Entradas y salida

input [Width-1:0] A,B; //Definir entradas
output reg [Width-1:0] Y; //Define salidas
reg signed [Width-1:0] Aux; //Variable auxiliar para realizar calculos
reg signed [Width-1:0] maximo;
reg signed [Width-1:0] minimo;



//assign Aux = A+B; //Operación de suma

always @*
begin
Aux = A+B;
maximo = (2**(Width-1))-1;
minimo = (2**(Width-1))+1;
end

always @*
begin
if (~A[Width-1] && ~B[Width-1] && Aux[Width-1])     //Verificación de overflow
begin
//Y= 4'b1111;
//Y = (2**(Width-1))-1;
Y = maximo;
end

else if (A[Width-1] && B[Width-1] && ~Aux[Width-1]) //Verificación de overflow
begin
//Y=4'b1111;
//Y=(2**(Width-1))+1;
Y = minimo;
end

else
begin
Y = Aux;
end
end
endmodule