(单片机程序设计)51单片机控制2位一体数码管动态实现00到23

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#include<reg51.h>#define uchar unsigned char;uchar distab[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71,0x00};  //0到fuchar number,dat,cnt=0;void t0isr() interrupt 1{TH0=(65536-10000)/256;TL0=(65536-10000)%256;cnt++;if(cnt>=100)    {    cnt=0;    dat++;    dat%=24;    }number++;number%=2;switch(number){case 0:P2=0x02;P0=distab[dat/10];break;case 1:P2=0x01;P0=distab[dat%10];break;default:break;}}main(){TMOD=0x61;TH0=(65536-10000)/256;TL0=(65536-10000)%256;TR0=1;ET0=1;EA=1;while(1);}