tests/simple/hansimem.v

   1
   2 module MyMem #(
   3   parameter AddrWidth = 4,
   4   parameter DataWidth = 4) (
   5   (* gentb_constant = 1 *)
   6   input                  Reset_n_i,
   7   input                  Clk_i,
   8   input  [AddrWidth-1:0] Addr_i,
   9   input  [DataWidth-1:0] Data_i,
  10   output [DataWidth-1:0] Data_o,
  11   input                  WR_i);
  12
  13   reg Data_o;
  14
  15   localparam Size = 2**AddrWidth;
  16
  17   (* mem2reg *)
  18   reg [DataWidth-1:0] Mem[Size-1:0];
  19
  20   integer i;
  21
  22   always @(negedge Reset_n_i or posedge Clk_i)
  23   begin
  24     //$display("Data1 = %b, Data11 = %b, Data12 = %b, Data2 = %b, Data21 = %b, Data22 = %b",Data1_i,Data11,Data12,Data2_i,Data21,Data22);
  25     if (!Reset_n_i)
  26     begin
  27       Data_o <= 'bx;
  28       for (i=0; i<Size; i=i+1)
  29       begin
  30         Mem[i] <= 0;
  31       end
  32     end
  33     else
  34     begin
  35       Data_o <= Mem[Addr_i];
  36       if (WR_i)
  37       begin
  38         Mem[Addr_i] <= Data_i;
  39       end
  40     end
  41   end
  42
  43 endmodule
  44