ELEC70056-HSV-CW2/tbench/ahblite_sys_tb.sv

`timescale 1ns/1ps
module ahblite_sys_tb();
  reg RESET, CLK;
  wire [7:0] LED;
  AHBLITE_SYS dut(.CLK(CLK), .RESET(RESET), .LED(LED));
  // Note: you can modify this to give a 50MHz clock or whatever is appropriate

  task resetVgaImageBuffers;
    for (int i = 0; i < (2**dut.uAHBVGA.uvga_image.uimage_ram.ADDR_WIDTH)-1; i++) begin
      dut.uAHBVGA.uvga_image.uimage_ram.ram[i] = '0;
    end
    for (int i = 0; i < (2**dut.uAHBVGA2.uvga_image.uimage_ram.ADDR_WIDTH)-1; i++) begin
      dut.uAHBVGA2.uvga_image.uimage_ram.ram[i] = '0;
    end
  endtask

  initial begin
    CLK=0;
    forever begin
      #5 CLK=1;
      #5 CLK=0;
    end
  end

  initial begin
    resetVgaImageBuffers();
    RESET=0;
    #30 RESET=1;
    #20 RESET=0;
  end
endmodule