單片機定時器T0100ms定時中斷，怎麽用C語言實現

{

TMOD &= 0xF0; /* clear Timer 0 */

TMOD |= 0x1;

TL0 = 0x0; /* value set by user */

TH0 = 0x0; /* value set by user */

ET0 = 1; /* IE.1*/

TR0 = 1; /* TCON.4 start timer */

// PT0 = 1;

}