led.c

献给初学单片机的爱好者们

#include<reg51.h>

sbit P1_0=P1^0;
sbit P1_1=P1^1;

TIME1() interrupt 1 using 1
{ P1_1=!P1_1;
  TH0=(65536-1000)/256;
  TL0=(65536-1000)%256;
}

TIME2() interrupt 3 using 2
{ P1_0=!P1_0;
}
void main(void)
{ P1_0=1;
  P1_1=1;
  TMOD=0X61;
  TH0=(65536-1000)/256;
  TL0=(65536-1000)/256;
  TH1=256-5;
  TL1=256-5;
  IE=0X8A;
  IP=0X08;
  do{}
  while(1);
}