#include	"ledinit.h"
#include	<ez80F91.h>
#define DELAY 500
unsigned char *ledan;    	/* LED Anode   */
unsigned char *ledca;     	/* Led Cathode  */
void delay()
{
 int j;
 for (j=0; j<DELAY ;j++){ }  
} 
//This block turns on respective anode and  cathode bits of Led 
//matrix to display character ' C '
       while(1){
            *ledca = 0x11;
	    *ledan = 0x01; 
	    delay();
	       *ledca = 0x0E;
   	    *ledan = 0x02;             
	    delay();
             *ledca = 0x0F;
	    *ledan = 0x04;
	    delay();
            *ledca = 0x0F;
	    *ledan = 0x08;
            delay();
 	    *ledca = 0x0F;
	    *ledan = 0x10;
            delay();

            *ledca = 0x0E;
	    *ledan = 0x20;
             delay();
            *ledca = 0x11;
            *ledan = 0x40;
            delay();
        }  

Listing 1—After I matched the discreet LEDs with their respective bits, I had a blast playing with the lights.