`timescale 1ps / 1ps module tb_de1_gui(); logic CLK; logic [3:0] KEY; logic [9:0] SW; logic [9:0] LEDR; logic [6:0] HEX0; logic [6:0] HEX1; logic [6:0] HEX2; logic [6:0] HEX3; logic [6:0] HEX4; logic [6:0] HEX5; de1_gui gui(.SW, .KEY, .LEDR, .HEX5, .HEX4, .HEX3, .HEX2, .HEX1, .HEX0); button_pusher dut(.CLK, .SW, .KEY, .LEDR, .HEX5, .HEX4, .HEX3, .HEX2, .HEX1, .HEX0); initial begin CLK = 0; forever #5 CLK = ~CLK; end endmodule