// test bench for both 7-segment display drivers (simultaneous)
module ROM_tb();

	logic [3:0] addr;
	logic [6:0] data1, data2;
	
	ROM_case dut1(.addr, .data(data1));
	ROM_file dut2(.addr, .data(data2));
	
	int i;
	initial begin
		for (i = 0; i < 2**4; i++) begin
			addr = i; #10;
		end  // for
		$stop;
	end  // initial

endmodule  // ROM_tb