LCD code works only in debugging mode not out of debugging.

// Write a nibble to the LCD
// may have to adjust delays to suit the processor and clock
void lcdNibble(int n)
{
    int lcd=LCDdata;

	__delay_us(800); 
  	LCDdata = (lcd&0xfff0) | ((n & 0x0f));			// send out lower Nibble
  	Nop();					// Wait E Pulse width time (min 230ns)
	Nop();
	Nop();
	Nop();
	Nop();
	Nop();
	Nop();
	Nop();
	Nop();

  LCDstatus.E=1;					// take clock E high 
	Nop();					// Wait E Pulse width time (min 230ns)
	Nop();
	Nop();
	Nop();
	Nop();
	Nop();
	Nop();
	Nop();
	Nop();

    LCDstatus.E=0;
 	__delay_us(800); 
 }

// Write a Control Command to the LCD
// This is written as two nibbles
void lcdCmd(int c)
{
 	LCDstatus.RS=0;			        // Take RS pin low for command
	lcdNibble(c >>4);		        // Makeup Upper Nibble
	lcdNibble(c);			        // Makeup Lower Nibble
}