tests/simple/paramods.v

   1
   2 module pm_test1(a, b, x, y);
   3
   4 input [7:0] a, b;
   5 output [7:0] x, y;
   6
   7 inc #(.step(3)) inc_a (.in(a), .out(x));
   8 inc #(.width(4), .step(7)) inc_b (b, y);
   9
  10 endmodule
  11
  12 // -----------------------------------
  13
  14 module pm_test2(a, b, x, y);
  15
  16 input [7:0] a, b;
  17 output [7:0] x, y;
  18
  19 inc #(5) inc_a (.in(a), .out(x));
  20 inc #(4, 7) inc_b (b, y);
  21
  22 endmodule
  23
  24 // -----------------------------------
  25
  26 module pm_test3(a, b, x, y);
  27
  28 input [7:0] a, b;
  29 output [7:0] x, y;
  30
  31 inc inc_a (.in(a), .out(x));
  32 inc inc_b (b, y);
  33
  34 defparam inc_a.step = 3;
  35 defparam inc_b.step = 7;
  36 defparam inc_b.width = 4;
  37
  38 endmodule
  39
  40 // -----------------------------------
  41
  42 module inc(in, out);
  43
  44 parameter width = 8;
  45 parameter step = 1;
  46
  47 input [width-1:0] in;
  48 output [width-1:0] out;
  49
  50 assign out = in + step;
  51
  52 endmodule
  53