void timer0 (void) interrupt 1 using 1 {
    if (++cycle == 10000) {
       secs++;
       printf("time = %in",secs);
    }

}

void main()
{
    TH0 = (unsigned char) ??;
    TL0 = (unsigned char) ??;
    TMOD = TMOD | 0x02;
    TR0 = 1;
    ET0 = 1;
}