subtitle "lcd_lib.h by L. Wyard-Scott"
;;; *********************************************************************
;;; Filename:	lcd_lib.h
;;; Purpose:	LCD library routine headers and other library equates.
;;; Revision:	0.0
;;; Date:	27 October 2003
;;; Author:	L. Wyard-Scott
;;; Copyright:	Public Domain
;;; *********************************************************************
;;; Revision History:
;;;     0.3     No update.
;;;     0.2     No update.
;;;     0.1     No update.
;;;	0.0	27 October 2003 - LWS
;;;		Creation.
;;; *********************************************************************
;;; *********************************************************************
;;; Ideas for future work:
;;; *********************************************************************
	
;;; ---------------------------------------------------------------------
;;; Externally defined subroutines.
;;; ---------------------------------------------------------------------
	extern 	LCD_Init	; Initialize the LCD.
	extern	LCD_Data_Write	; Send a data byte (DDRAM or CGRAM).
	extern	LCD_Ctrl_Write	; Send a control byte.
	extern	LCD_Data_Read	; Read a byte from DDRAM or CGRAM.
	extern	LCD_Ctrl_Read	; Read a byte for the LCD control register.
	extern	LCD_TxString	; Send a NULL-terminated RAM string.
	extern	LCD_TxStringN	; Send N bytes of a RAM string (or data).
	extern	LCD_TxStringK	; Send a NULL-terminated ROM string.
	extern	LCD_TxStringKN	; Send N bytes of a ROM string (or data).

;;; ---------------------------------------------------------------------
;;; Externally defined variables (used for parameter passing).
;;; ---------------------------------------------------------------------
	extern	LCD_PTRLOW	; Pointer to string constants - low byte.
	extern	LCD_PTRHIGH	; - high byte.