1_ADDER

代码说明：

说明：  第1例到第6例的源描述都是从第8例的程序包中 提取出来的,不能单独编译,这些例子的编译与 模拟请参考第8例.(Example No. 1 to the first six cases are the source described in Example 8 from the first package to extract it and can not be a separate compiler, which compiler and simulation examples please refer to the first eight cases.)