51单片机数码管显示时钟程序7页.doc

#include/#include#include#define uchar unsigned char#define uint unsigned intsbit dula=P26;sbit wela=P27;sbit key1=P34;sbit key2=P35;sbit key3=P36;sbit beep=P23;unsigned code table=0x3f , 0x06 , 0x5b , 0x4f ,0x66 , 0x6d , 0x7d , 0x07 ,0x7f , 0x6f , 0x77 , 0x7c,0x39 , 0x5e , 0x79 , 0x71 ;uchar num1,num2,s,s1,m,m1,f,f1,num,numf,nums,dingshi;uchar ns,ns1,nf,nf1,numns,numnf;void delay(uint z); void keyscan ();void key