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adder_nbit/adder_nbit.v

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+/*
+    Adder de N bits
+*/
+`include "./full_adder/full_adder.v"
+
+module adder_nbit #(parameter N = 8)(
+    input [N-1:0] a,
+    input [N-1:0] b,
+    input carry_in,
+    output [N-1:0] sum,
+    output carry_out
+);
+    wire [N:0] carry;
+
+    assign carry[0] = carry_in;
+
+    genvar i;
+    generate
+        for (i = 0; i < N; i = i + 1) begin: generar_full_adder
+            full_adder_structural full_adder(
+                .carry_in(carry[i]),
+                .a(a[i]),
+                .b(b[i]),
+                .sum(sum[i]),
+                .carry_out(carry[i+1])
+            );            
+        end
+    endgenerate
+
+    assign carry_out = carry[N];
+
+endmodule