单片机C 四位时钟程序 有个问题 错误出在哪里?答:unsigned char code duannum[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71};unsigned char num,num1,num2,num3;void delayms(unsigned char xms); void display(void);void main(){ TMOD=0x01;TH0=(65536-50000)/256;TL0=(65536-...