Subversion Repositories eco32

//
// eco32test.v -- test bench for ECO32
//
 
 
`timescale 1ns/10ps
`default_nettype none
 
 
module eco32test;
 
  integer fd;			// file descriptor
  integer fr;			// result of file operation
  time duration;		// duration of simulation
 
  reg clk_in;			// clock, input, 50 MHz
  reg rst_in_n;			// reset, input, active low
 
  // simulation control
  initial begin
    #0          $dumpfile("dump.vcd");
                $dumpvars(0, eco32test);
                fd = $fopen("duration.dat", "r");
                fr = $fscanf(fd, "%d", duration);
                $fclose(fd);
                clk_in = 1;
                rst_in_n = 0;
    #145        rst_in_n = 1;
    #duration   $finish;
  end
 
  // clock generator
  always begin
    #10 clk_in = ~clk_in;	// 20 nsec cycle time
  end
 
  // create an instance of ECO32
  eco32 eco32_1(
    .clk_in(clk_in),
    .rst_in_n(rst_in_n)
  );
 
endmodule