family.cmake « fpga_interchange « gui - iCE40/nextpnr - clone of git://git.panaceas.org/iCE40/nextpnr

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Literal.String.Single */ .highlight .ss { color: #aa6600; background-color: #fff0f0 } /* Literal.String.Symbol */ .highlight .bp { color: #003388 } /* Name.Builtin.Pseudo */ .highlight .fm { color: #0066bb; font-weight: bold } /* Name.Function.Magic */ .highlight .vc { color: #336699 } /* Name.Variable.Class */ .highlight .vg { color: #dd7700 } /* Name.Variable.Global */ .highlight .vi { color: #3333bb } /* Name.Variable.Instance */ .highlight .vm { color: #336699 } /* Name.Variable.Magic */ .highlight .il { color: #0000DD; font-weight: bold } /* Literal.Number.Integer.Long */

module counter_tb;

  /* Make a reset pulse and specify dump file */
  reg reset = 0;
  initial begin
     $dumpfile("counter_tb.vcd");
     $dumpvars(0,counter_tb);

     # 0 reset = 1;
     # 4 reset = 0;
     # 36 reset = 1;
     # 4  reset = 0;
     # 6 $finish;
  end

  /* Make enable with period of 8 and 6,7 low */
  reg en = 1;
  always begin
    en = 1;
    #6;
    en = 0;
    #2;
  end

  /* Make a regular pulsing clock. */
  reg clk = 0;
  always #1 clk = !clk;

  /* UUT */
  wire [2:0] count;
  counter c1 (clk, reset, en, count);

endmodule