Design of GRAY to Binary Code Converter using if-else statements (Behavior Modeling Style) Verilog CODE-

Design of GRAY to Binary Code Converter using if-else statement (Behavior Modeling Style)-

Output Waveform  :   GRAY to Binary Code Converter

Verilog CODE-

//-----------------------------------------------------------------------------

//

// Title       : GRAY_to_Binary

// Design      : verilog upload 2

// Author      : Naresh Singh Dobal

// Company     : nsdobal@gmail.com

// Verilog Programs & Exercise by Naresh Singh Dobal.

//

//-----------------------------------------------------------------------------

//

// File        : GRAY to Binary code converter using if else statements.v

module GRAY_to_Binary ( din ,dout );

output [3:0] dout ;

reg [3:0] dout ;

input [3:0] din ;

wire [3:0] din ;

always @ (din) begin

if (din==0) 

dout = 0;

else if (din==1) 

dout = 1;

else if (din==2) 

dout = 3;

else if (din==3) 

dout = 2;

else if (din==4) 

dout = 7;

else if (din==5) 

dout = 6;

else if (din==6) 

dout = 4;

else if (din==7) 

dout = 5;

else if (din==8) 

dout = 15;

else if (din==9) 

dout = 14;

else if (din==10)

dout = 12;

else if (din==11)

dout = 13;

else if (din==12)

dout = 8;

else if (din==13)

dout = 9;

else if (din==14)

dout = 11;

else

dout = 10;

end

endmodule