/**************************************
* Module: sumador_completo
* Date:2013-07-03  
* Author: leon     
*
* Description: Sumador completo. para presentar las descripciones básicas
***************************************/
module  sumadorcompleto(a,b,cin,sum,cout);
input a,b,cin;
output sum,cout;
wire s1;
reg cout;
xor u1 (s1,a,b);
always @(a,b,cin)
begin: X1
reg T1,T2,T3;
T1= a & b;
T2= b & cin;
T3= a & cin;
cout= T1 | T2 | T3;
end
assign sum = s1 ^ cin;
endmodule