8-Bit Ripple Carry Adder using Full Adder

8-Bit Ripple Carry Adder using Full Adder:

module ripple_8adder(

    input [7:0] a,

    input [7:0] b,

    input cin,

    output [7:0] sum,

    output carry );

    wire [6:0]c;

fulladder FA1(a[0],b[0],cin,sum[0],c[0]);

fulladder FA2(a[1],b[1],c[0],sum[1],c[1]);

fulladder FA3(a[2],b[2],c[1],sum[2],c[2]);

fulladder FA4(a[3],b[3],c[2],sum[3],c[3]);

fulladder FA5(a[4],b[4],c[3],sum[4],c[4]);

fulladder FA6(a[5],b[5],c[4],sum[5],c[5]);

fulladder FA7(a[6],b[6],c[5],sum[6],c[6]);

fulladder FA8(a[7],b[7],c[6],sum[7],carry);

endmodule

 
Hint: For Module fulladder refer previous posts