e.c

40个练习程序（坚持）.rar

#include <AT89X55.H>
unsigned char zfu[]={0x3F,0x06,0x5B,0x4F,0x66,0x6D,0x7D,0x07,0x7F,0x6F};
unsigned int i,j,k;
void main (void)
{TMOD=0x01;
TH0=(65530-1000)/256;
TL0=(65530-1000)%256;
EA=1;
ET0=1;
TR0=1;
while(1)
{
P2=i;
if(i==8)
{i=0;}
P0=zfu[i];
}

}
void t0(void) interrupt 1 using 0
{TH0=(65530-65000)/256;
TL0=(65530-65000)%256;
j++;
if(j==2)
{
j=0;
i++;}
}