void main( ) {
TRISB=0;
PORTB=0;
start:
        PORTB=0xFF;
         Delay_ms(250);
         PORTB=0;
         Delay_ms(250);
goto start;
} 

 

/*1- Comments


Intruduction-Blink Character Message on LCD 


PIC16F877A  Clock * 4MHz, MCLR Enabled, PWRT Enabled, WDT OFF


*/

//2- Define LCD module connections.

sbit LCD_RS at RD0_bit;


sbit LCD_EN at RD1_bit;


sbit LCD_D4 at RD4_bit;


sbit LCD_D5 at RD5_bit;


sbit LCD_D6 at RD6_bit;


sbit LCD_D7 at RD7_bit;


sbit LCD_RS_Direction at TRISD0_bit;


sbit LCD_EN_Direction at TRISD1_bit;


sbit LCD_D4_Direction at TRISD4_bit;


sbit LCD_D5_Direction at TRISD5_bit;


sbit LCD_D6_Direction at TRISD6_bit;


sbit LCD_D7_Direction at TRISD7_bit;


// End LCD module connection definition

//3- Define Messages

char message1[] = "Welcome to";


char message2[] = "ENG.F.ABDELAZIZ";

//4- Main function

void main() 


{


//4-a- set up ports 


  TRISD = 0;    // PORTD All Outputs


  PORTD=0;   // clear 
 

//4-b- set up LCD


   Lcd_Init();   // Initialize LCD


   Lcd_Cmd(_LCD_CLEAR);              // CLEAR display


   Lcd_Cmd(_LCD_CURSOR_OFF);         // Cursor off

// 4-c- Infinite Loop 

 while(1) {    
 

//4-c-1-send strings


  Lcd_Out(1,4,message1);             // Write message1 in 1st row,begin from Column 4


  Lcd_Out(2,1,message2);            // Write message2 in 2nd row,begin from Column 1


//4-c-2--delay 1 sec. 


  Delay_ms(1000);                        // Wait for 1 sec


//4-c-3--clear LCD


  Lcd_Cmd(_LCD_CLEAR);       // Clear display


//4-c-4-delay 1 sec.


  Delay_ms(1000);    // Wait for 1 sec


                  }                // Infinite Loop 


}

/* Mikroc pro LCD simple example :
fixed string and variable string.
PIC16F877A * 4MHz 
Eng.F.Abdelaziz
http://www.eeecb.com/vb/index.php */  
// LCD module connections
sbit LCD_RS at RD0_bit;
sbit LCD_EN at RD1_bit;
sbit LCD_D4 at RD4_bit;
sbit LCD_D5 at RD5_bit;
sbit LCD_D6 at RD6_bit;
sbit LCD_D7 at RD7_bit;
sbit LCD_RS_Direction at TRISD0_bit;
sbit LCD_EN_Direction at TRISD1_bit;
sbit LCD_D4_Direction at TRISD4_bit;
sbit LCD_D5_Direction at TRISD5_bit;
sbit LCD_D6_Direction at TRISD6_bit;
sbit LCD_D7_Direction at TRISD7_bit;
// End LCD module connections
char fixed_string[] = "Hello World!";
char var_string[7];
int i;
void main() {
  TRISD = 0;      // PORTD is output
  i=0;
 Lcd_Init();    // Initialize LCD connected to PORTD
 Lcd_Cmd(_LCD_CLEAR);                // Clear display
 Lcd_Cmd(_LCD_CURSOR_OFF);           // Cursor off
 Lcd_Out(1, 1, fixed_string); // Print text to LCD, row 1
while(1){
     for(i=0;i<200;i++)
     {
      IntToStr(i,var_string);
      Lcd_Out(2,1,var_string); // Print text to LCD, row 2
      Delay_ms(500);
       }
    i=0;
                }
}