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#include "REG8051.h"

#define uchar unsigned char
#define uint unsigned int

sbit a0=P0^0;     /* course signal */
sbit a1=P0^1;
sbit alarmplus = P2^4;
sbit LED1=P0^5;
sbit LED2=P0^6;
sbit LED3=P0^7;

bit overflag = 0;
bit FINT0;
bit FINT1;
bit FT0;
bit FT1;
bit FT2;
//bit dd;
//bit dd2;
void main()
{
    PCR0=0xFF;
    PUCR0=0xFF;
    P0=0xFF;
   
    PCR2=0x00;
 PUCR2=0xFF;
 P2=0x00;
 
    LED1 = 0; 
 
 PUCR2=0x00;
 P2=0x00; 

    PCON|=0x02;     /* 使能外部时钟 */
 
    EA=1;
    EX0 =1;
 IT0=0;              // INT0低电平触发(为1则为下降沿触发)
    EX1 = 1;
 IT1 = 1;
 
 IEIP = 0x07;
    EXADF = 0x15;
      
 while(1)
 {
 

 }
  
}

//INT0中断  由P3.2引脚产生
void int_0() interrupt 0 using 0
{
    FINT0=1;
 LED1= ~LED1;
}
//-------------------------------------------------------------------
//INT1中断  由P3.3引脚产生
void int_1() interrupt 2 using 1
{
 FINT1=1;
 LED1= ~LED1;
}
//-------------------------------------------------------------------
//定时器0中断
void timer_0() interrupt 1 using 2
{
 FT0=1;
 LED1= ~LED1;
}
//-------------------------------------------------------------------
//定时器1中断
void timer_1() interrupt 3 using 3
{
 FT1=1;
 LED1= ~LED1;
}
//-------------------------------------------------------------------
//串行中断1
void serial_1() interrupt 4
{

}
//-------------------------------------------------------------------
//定时器2中断
void timer_2() interrupt 5
{
 FT2=1;
 LED1= ~LED1;
}
//-------------------------------------------------------------------

//void int0_int() interrupt 0 using 1
//{
//    TR1 = 1;
//}

//void int1_int() interrupt 1 using 1
//{
//    TR1 = 1;
//}
void int4_int() interrupt 9 using 1
{
     LED1= ~LED1;
}