text: /*
   *	LCD interface header file
   *	See lcd.c for more info
   */
  
  /* write a byte to the LCD in 4 bit mode */
  
  extern void lcd_write(unsigned char);
  
  /* Clear and home the LCD */
  
  extern void lcd_clear(void);
  
  /* write a string of characters to the LCD */
  
  extern void lcd_puts(const char * s);
  
  /* Go to the specified position */
  
  extern void lcd_goto(unsigned char pos);
  	
  /* intialize the LCD - call before anything else */
  
  extern void lcd_init(void);
  
  extern void lcd_putch(char);
  
  extern void lcd_putcom(char);
  
  /*	Set the cursor position */
  
  #define	lcd_cursor(x)	lcd_write(((x)&0x7F)|0x80)
  