# include & ltreg 51 . h & gt；
#定義uchar無符號字符
//這個表是LED的字體0？1 ?2 ?3 ?4 ?5 ?6 ?7 ?8 ?9 ?答？b？c？d？英·法
無符號字符碼LED7Code[] = {0x3F，0x06，0x5B，0x4F，0x66，0x6D，0x7D，0x07，0x7F，0x6F，0x77，0x7C，0x39，0x5E，0x79，0x 71 }；
無效延遲(uchar z)
{
uchar i，j；
for(I = 0；我& lt120;i++)
for(j = 0；j & ltz；j++)；
}
void main()
{
uchar k；
while(1)
{
for(k = 0；k & lt50;k++)
{
P0 = 0xff
P2 = led 7 code[0]；
P0 = 0xfe
延遲(5)；
P0 = 0xff
P2 = led 7 code[0]；
P0 = 0xfd
延遲(5)；
P0 = 0xff
P2 = led 7 code[2]；
P0 = 0xfb
延遲(5)；
P0 = 0xff
P2 = led 7 code[0]；
P0 = 0xf7
延遲(5)；
P0 = 0xff
P2 = led 7 code[1]；
P0 = 0xef
延遲(5)；
P0 = 0xff
P2 = led 7 code[9]；
P0 = 0xdf
延遲(5)；
P0 = 0xff
P2 = led 7 code[0]；
P0 = 0xbf
延遲(5)；
P0 = 0xff
P2 = led 7 code[3]；
P0 = 0x7f
延遲(5)；
}
for(k = 0；k & lt50;k++)
{
P0 = 0xff
P2 = led 7 code[0]；
P0 = 0xfe
延遲(5)；
P0 = 0xff
P2 = led 7 code[0]；
P0 = 0xfd
延遲(5)；
P0 = 0xff
P2 = led 7 code[10]；
P0 = 0xfb
延遲(5)；
P0 = 0xff
P2 = led 7 code[11]；
P0 = 0xf7
延遲(5)；
P0 = 0xff
P2 = led 7 code[12]；
P0 = 0xef
延遲(5)；
P0 = 0xff
P2 = led 7 code[13]；
P0 = 0xdf
延遲(5)；
P0 = 0xff
P2 = led 7 code[14]；
P0 = 0xbf
延遲(5)；
P0 = 0xff
P2 = led 7 code[15]；
P0 = 0x7f
延遲(5)；
}
for(k = 0；k & lt50;k++)
{
P0 = 0xff
P2 = led 7 code[0]；
P0 = 0xfe
延遲(5)；
P0 = 0xff
P2 = led 7 code[0]；
P0 = 0xfd
延遲(5)；
P0 = 0xff
P2 = led 7 code[1]；
P0 = 0xfb
延遲(5)；
P0 = 0xff
P2 = led 7 code[2]；
P0 = 0xf7
延遲(5)；
P0 = 0xff
P2 = led 7 code[3]；
P0 = 0xef
延遲(5)；
P0 = 0xff
P2 = led 7 code[4]；
P0 = 0xdf
延遲(5)；
P0 = 0xff
P2 = led 7 code[5]；
P0 = 0xbf
延遲(5)；
P0 = 0xff
P2 = led 7 code[6]；
P0 = 0x7f
延遲(5)；
}
}
}?