#include <reg51.h>
#define uchar unsigned char
#define uint unsigned int
uchar num;
uchar m=0;
uchar code table[]= {
0xc0,0xf9,0xa4,0xb0,
0x99,0x92,0x82,0xf8,
0x80,0x90,0x88,0x83,
0xc6,0xa1,0x86,0x8e, //0~f顯示
};
uchar code address[]={0x01,0x02,0x04,0x08,};//位選
void delayms(uint);
void main( )
{
num=0;
while(1)
{
for(m=0;m<4;m++)
{
P0=table[num++];
P1=address[m];
if(num==16)num=0;
delayms(700);
}
}
}
/********************延遲****************/
void delayms(uint xms)
{
uint i,j;
for(i=xms;i>0;i--)
for(j=110;j>0;j--);
}
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