Subversion Repositories natalius_8bit_risc

`timescale 1ns / 1ps

//////////////////////////////////////////////////////////////////////////////////

// Company:       Universidad Pontificia Bolivariana

// Engineer:      Fabio Andres Guzman Figueroa

// 

// Create Date:    11:47:57 05/17/2012 

// Design Name: 

// Module Name:    mem_video 

// Project Name: 

// Target Devices: 

// Tool versions: 

// Description: 

//

// Dependencies: 

//

// Revision: 

// Revision 0.01 - File Created

// Additional Comments: 

//

//////////////////////////////////////////////////////////////////////////////////

module mem_video(

    input clk,

         input we,

    input [12:0] addr_write,

    input [12:0] addr_read,

    input [3:0] din,

    output reg [3:0] dout

    );

        (* RAM_STYLE="BLOCK" *)

         reg [3:0] ram_video [8191:0];

   always @(posedge clk)

                begin

                        if (we)

                                ram_video[addr_write] <= din;

                        dout <= ram_video[addr_read];

                end

endmodule