Subversion Repositories tv80

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

// Author: Guy Hutchison

//

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

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

module behave1p_mem

  #(parameter width=8,

    parameter depth=256,

    parameter addr_sz=8)  //log2(depth))

  (/*AUTOARG*/

  // Outputs

  d_out,

  // Inputs

  wr_en, rd_en, clk, d_in, addr

  );

  input        wr_en, rd_en, clk;

  input [width-1:0] d_in;

  input [addr_sz-1:0]     addr;

  output [width-1:0]     d_out;

  reg [addr_sz-1:0] r_addr;

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

  always @(posedge clk)

    begin

      if (wr_en)

        begin

          array[addr] <= #1 d_in;

        end

      else if (rd_en)

        begin

          r_addr <= #1 addr;

        end

    end // always @ (posedge clk)

  assign d_out = array[r_addr];

  genvar g;

  generate

    for (g=0; g<depth; g=g+1)

      begin : breakout

        wire [width-1:0] brk;

        assign brk=array[g];

      end

  endgenerate

endmodule