（九宫问题）在一个３×３的九宫中有１－８这８个数及一个空格随机的摆放在其中的格子里，如图１－１所示。现在要求实现这个问题：将该九宫格调整为如图１－１右图所示的形式。调整的规则是：每次只能将与空格（上、下、或左、右）相邻的一个数字平移到空格中。试编程实现这一问题的求解。-(Nine-palace issues) in a 3 × 3 of the Nine-palace are 1-8 this 8 random number and the placing of a space in which

Help to understand the fundamental of Drive tesr

自己写的二进制补码转十进制有符号数的转换程序，程序虽小但很实用，可用作测试fpga的借口程序，已经过测试没有问题。-Twos complement to write their own turn decimal number of symbols of the conversion program, the program is small but very practical excuse can be used as a test fpga program has been tested a