verilog语言写的一个四层电梯程序

				Flow Status : Successful - Sat Sep 08 16:00:44 2007
				Quartus II Version : 5.0 Build 148 04/26/2005 SJ Full Version
				Revision Name : cout
				Top-level Entity Name : cout
				Family : Cyclone
				Device : EP1C6Q240C8
				Timing Models : Final
				Met timing requirements : N/A
				Total logic elements : 5 / 5,980 ( < 1 % )
				Total pins : 37 / 185 ( 20 % )
				Total virtual pins : 0
				Total memory bits : 0 / 92,160 ( 0 % )
				Total PLLs : 0 / 2 ( 0 % )