#ifndef SUBSTRUCT
 #include <Substruct.h>
#endif
sbit IR=P3^2;
unsigned char i;
unsigned char ch;
void Init_interrupt()
{
 IR=1;
 IT0=0;         //touch off mode is low-level
 PX0=0;         //set the INT0 popedom is low
 PT0=1;         //set the TIMER0 popedom is high
 TMOD=0x01;     //select mode 1
 
 //standred value is 0xFFD0 
 TH0=0xFD;      //set Timer0 touch off times' 560us    
 TL0=0xD0;
 EA=1;          //open the all interrupt 
 ET0=1;         //open the TIMER0
 EX0=1;         //open the INT0
 
}
 
void Remote_Control(void) interrupt 0
{
 EX0=0; 
 TR0=1;
 
 TR0=0;
 EX0=1;
}

void TIMER(void) interrupt 1
{
 TH0=0xFD;
 TL0=0xD1;
 i++; 
}