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Subtractor8Bit.v
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Subtractor8Bit.v
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`timescale 1ns / 1ps
//////////////////////////////////////////////////////////////////////////////////
// Company:
// Engineer:
//
// Create Date: 08:53:14 04/06/2019
// Design Name:
// Module Name: Subtractor8Bit
// Project Name:
// Target Devices:
// Tool versions:
// Description:
//
// Dependencies:
//
// Revision:
// Revision 0.01 - File Created
// Additional Comments:
//
//////////////////////////////////////////////////////////////////////////////////
module Subtractor_8Bit(
input [7:0] A,
input [7:0] B,
output [7:0] D,
output Bout
);
wire [7:0] w;
HalfSubtractor H1(A[0],B[0],D[0],w[0]);
FullSubtractor F1(A[1],B[1],w[0],D[1],w[1]);
FullSubtractor F2(A[2],B[2],w[1],D[2],w[2]);
FullSubtractor F3(A[3],B[3],w[2],D[3],w[3]);
FullSubtractor F4(A[4],B[4],w[3],D[4],w[4]);
FullSubtractor F5(A[5],B[5],w[4],D[5],w[5]);
FullSubtractor F6(A[6],B[6],w[5],D[6],w[6]);
FullSubtractor F7(A[7],B[7],w[6],D[7],w[7]);
assign Bout=w[7];
endmodule