// ------------- READS51 generated header -------------- 
// module  : C:\Rigel\Reads51\Work\Output\Output.c
// created : 12:33:17, Friday, November 09, 2001
// ----------------------------------------------------- 

#define TRUE  1
#define FALSE 0

#include <sfr51.h> // P1 is defined here

main(){
unsigned char n;
// endless loop
 while(TRUE)
  {   
   for(n=0; n<256; n++)
    {
     P1=n;     
    }
   }
}