temp.c

程序为达盛实验箱所带

ioport unsigned int port0000;
ioport unsigned int port0001;


  main()

       {
		
		int i,j,k,m;
		for(;;)
		{
		port0000=0;
		port0001=0;
		for(i=0;i<200;i++) 
		{
		    for(j=0;j<150;j++)
		      {;}
		       
		}
		port0000=255;
        port0001=255;
        for(k=0;k<2000;k++) 
		{
		    for(m=0;m<300;m++)
		      {;}
		 }
		 }
		 }