利用VHDL编写的电子琴发生器

				Fitter Status : Successful - Sat Nov 08 17:32:21 2008
				Quartus II Version : 5.1 Build 176 10/26/2005 SJ Full Version
				Revision Name : top
				Top-level Entity Name : TOP
				Family : ACEX1K
				Device : EP1K30QC208-3
				Timing Models : Final
				Total logic elements : 145 / 1,728 ( 8 % )
				Total pins : 26 / 147 ( 18 % )
				Total memory bits : 0 / 24,576 ( 0 % )
				Total PLLs : 0