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void Timer0Init(void)        //1ºÁÃë@11.0592MHz
{
    AUXR |= 0x80;        //¶¨•r(sh¨ª)Æ÷•r(sh¨ª)çŠ1Tģʽ
    TMOD &= 0xF0;        //ÔO(sh¨¨)Öö¨•r(sh¨ª)Æ÷ģʽ
    TMOD |= 0x01;        //ÔO(sh¨¨)Öö¨•r(sh¨ª)Æ÷ģʽ
    TL0 = 0xCD;        //ÔO(sh¨¨)Öö¨•r(sh¨ª)³õÖµ
    TH0 = 0xD4;        //ÔO(sh¨¨)Öö¨•r(sh¨ª)³õÖµ
    TF0 = 0;        //Çå³ýTF0˜Ë(bi¨¡o)Ö¾
    TR0 = 1;        //¶¨•r(sh¨ª)Æ÷0é_ʼӋ(j¨¬)•r(sh¨ª)
}


void Timer0Interrupt(void) interrupt 1      //1ms
{
  a++;
          
}

main()
{
while(1){
  if(a>=•r(sh¨ª)ég/†Îλ•r(sh¨ª)ég)
    ............



}