Subversion Repositories fixed_point_arithmetic_parameterized

`timescale 1ns / 1ps

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// Company: 

// Engineer: 

// 

// Create Date:    13:44:20 08/24/2011 

// Design Name: 

// Module Name:    twosComp 

// Project Name: 

// Target Devices: 

// Tool versions: 

// Description: 

//

// Dependencies: 

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// Revision: 

// Revision 0.01 - File Created

// Additional Comments: 

//

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module qtwosComp(

    input [N-2:0] a,

    output [2*N-1:0] b

    );

        reg [2*N-1:0] data;

        reg [2*N-1:0] flip;

        reg [2*N-1:0] out;

        //Parameterized values

        parameter Q = 15;

        parameter N = 32;

        assign b = out;

        always @(a)

        begin

                data <= a;              //if you dont put the value into a 64b register, when you flip the bits it wont work right

        end

        always @(data)

        begin

                flip <= ~a;

        end

        always @(flip)

        begin

                out <= flip + 1;

        end

endmodule