一个51单片机电子钟程序,求详细的解释啊急急急!!!答:include <AT89X51.H> unsigned char code dispcode[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71,0x00}; //定义显示用的段码 unsigned char dispbitcode[]={0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f}; //定义显示用的位码 u...