#define  ENABLE_DATA_PIN PORTd.F0
#define  ENABLE_DATA_CLOCK_PIN PORTd.F1
#define  ENABLE_SHOW_CLOCK_PIN PORTd.F2
 extern const unsigned char ammar[1248];

 extern const unsigned char ammar1[1248];
 const unsigned char long_message[]= "MADE BY AMMAR MOHAMMED SAEED E-mail:ammar_saeed*hotmail.com ";

char buffer[96];
char buffer1[96];
void enable_data_clock_pulse()
  {
   ENABLE_DATA_CLOCK_PIN=0;
   ENABLE_DATA_CLOCK_PIN=1;
  }
void enable_show_clock_pulse()
  {
   ENABLE_SHOW_CLOCK_PIN=0;
   ENABLE_SHOW_CLOCK_PIN=1;
  }
void load()
{
 char x;
 for(x=0;x<96;x++)
  {
   ENABLE_DATA_PIN=1;
   enable_data_clock_pulse();
  }
  enable_show_clock_pulse();
  ENABLE_DATA_PIN=0;
  enable_data_clock_pulse();
  enable_show_clock_pulse();
}
void next_column()
  {
   ENABLE_DATA_PIN=1;
   enable_data_clock_pulse();
   enable_show_clock_pulse();
  }

  void show_buffer(char scroll_speed)
 {
  char show_loop,scroll_times;
   for(scroll_times=0;scroll_times<scroll_speed;scroll_times++)
     {

     load();

      show_loop=0;
     while(show_loop<96)
      {
       portb=buffer[show_loop];
       portc=buffer1[show_loop];
       delay_us(500);
       next_column();
       portb=0;
       portc=0;
       show_loop++;
      }
     }
 }
 
  void clear_the_buffer()
 {
  char loop;
  while(loop<96)
    {
     buffer[loop]=0;
     buffer1[loop]=0;
     loop++;
    }
 }

  void text_const_print(const unsigned char *text,char speed)
  {char number_of_characters,update,looop;
   int address,character;
   char x;
   number_of_characters=0;

   while(text[number_of_characters])
                                  {
                                  number_of_characters++;
                                  }
   clear_the_buffer();
   for(update=0;update<number_of_characters;update++)
      {

       address=text[update]-32;
       address=address*13;

       for(character=address;character<address+13;character++)
          {
               for(looop=95;looop>0;looop--)
                   {
                     buffer[looop]= buffer[looop-1];
                     buffer1[looop]= buffer1[looop-1];

                   }
                             buffer[0]=ammar[character];
                             buffer1[0]=ammar1[character];
                             show_buffer(speed);
          }
     }
buffer[0]=0;
buffer1[0]=0;
   for(looop=0;looop<96;looop++)
     {
      for(character=95;character>0;character--)
         {
          buffer[character]=buffer[character-1];
          buffer1[character]=buffer1[character-1];
         }


     show_buffer(speed);
     }
 }


void main() 
{


trisd=0;
trisb=0;
trisc=0;
portb=0;
portc=0;
while(1)
{
text_const_print(long_message,1);


}
}