51单片机，8位共阴极数码管动态显示12位学号,按键调整走动速度，C语言的

#include#define uchar unsigned charuchar code ledtab[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x40};//0-9uchar Number[]={2,0,1,5,0,0,3,1,0,0,0,3};uchar scanled,num=0,time=0,no;uchar disdat[6];void dischg(){ num=no; disdat[0]=Number[num