急求AT89C51单片机四位数码管的动态扫描显示,要求不能用延时,必须用...答:0x82,0xf8,0x80,0x90,0x88,0x83,0xc6,0xa1,0x86,0x8e,0xff,0xbf,0x88,};//段码void display(){//显示static u8 a;if(++a>=4)a=0;P0=0xff;P2=w[a];P0=d[ds[a]];}/***/void init()//初始化函数{ TMOD=0x01;TH0=(65536-1000)/256;TL0=(65536-1000)%256;EA=1...