Subversion Repositories srdydrdy_lib

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

// Author: Guy Hutchison

//

// This block is uncopyrighted and released into the public domain.

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

module behave2p_mem

  #(parameter width=8,

    parameter depth=256,

    parameter addr_sz=$clog2(depth))

  (/*AUTOARG*/

  // Outputs

  d_out,

  // Inputs

  wr_en, rd_en, wr_clk, rd_clk, d_in, rd_addr, wr_addr

  );

  input        wr_en, rd_en, wr_clk;

  input        rd_clk;

  input [width-1:0] d_in;

  input [addr_sz-1:0] rd_addr, wr_addr;

  output [width-1:0]  d_out;

  reg [addr_sz-1:0] r_addr;

  reg [width-1:0]   array[0:depth-1];

  always @(posedge wr_clk)

    begin

      if (wr_en)

        begin

          array[wr_addr] <= #1 d_in;

        end

    end

  always @(posedge rd_clk)

    begin

      if (rd_en)

        begin

          r_addr <= #1 rd_addr;

        end

    end // always @ (posedge clk)

  assign d_out = array[r_addr];

endmodule