static char *lcdportname="«« LCD rendezvous »»";
static char *lcdrexxname="LCDAEMON";

struct lcdparams {
	long width;
	long virtualwidth;
	long height;
	long maxqueuetime;
};
struct lcdqueuedtext {
	STRPTR themessage;
};
struct lcdirect {
	ULONG Command;
	ULONG Data;
};
struct lcdmessage {
	struct Message	lcd_Message;
	long			lcd_Code;
	BYTE			lcd_Priority;
	BYTE			lcd_pad1[3];
	long			lcd_Error;
	long			lcd_Ticks;
	APTR			lcd_Data;
};

/*	LCDscreen for semi-direct screen control and programmable character support.
**
**	DMN : supplied by daemon , read-only to user.
**	USR : supplied by user
**	PRI : private. Don't even think about what this this value might do.
*/
#define LCDSCREEN_MINVERSION	16
struct lcdscreen {
/*
**		Version to identify future versions.
**		Check for your minimum-version before filling out new structure members
**		DMN
*/
	UWORD version;
	UWORD reserved;
/*		
**		Number of characters per screen line. This may be wider than
**		the actual number of characters per line !
**		DMN
*/
	UWORD bufferwidth;
/*
**		Number of lines in the screen buffer.
**		DMN
*/
	UWORD bufferheight;
/*
**		Pointer to private data. Don't touch this field!
**		PRI
*/
	APTR private;
/*
**		Pointer to screen buffer. This gets allocated by LCDaemon, but you
**		must fill it with sensible data.
**		DMN
*/
	char *screenbuffer;
/*
**		Flags informing what to update.
**		USR
*/
	ULONG ud_flags;
/*
**		Number of bytes per character
**		USR
*/
	UWORD customcharheight;
/*
**		Number of characters defined
**		USR
*/
	UWORD customcharnum;
/*
**		Pointer to the array of programmable characters. You must
**		initialize this pointer to your custom character data.
**		USR
*/
	UBYTE *customchardefs;
};
#define LCDUPD_DISPLAY			1
#define LCDUPD_CUSTOMCHARNUM	2
#define	LCDUPD_CUSTOMCHARDEFS	4

#define LCDPRI_MEMDISPLAY	-64
#define LCDPRI_APPLICATION	0
#define	LCDPRI_ALERT		64
#define	LCDPRI_VITAL		127
#define	LCDPRI_REMARK		-32
#define LCDPRI_NEVER		-128

#define LCDMSG_NONE				0
#define LCDMSG_ASKPARAMS		1
#define LCDMSG_QUEUE			2
#define LCDMSG_ALLOCATELCD		3
#define LCDMSG_FREELCD			4
#define LCDMSG_LCDIRECT			5
#define LCDMSG_ALLOCATEHANDLE	6
#define	LCDMSG_FREEHANDLE		7
#define LCDMSG_UPDATEHANDLE		8

#define LCDERR_NONE			0
#define LCDERR_UNKNOWN		1
#define LCDERR_NOMEM		2
#define LCDERR_TOOBUSY		3
#define LCDERR_YOURFAULT	4

#define LCDCMD_END		0
#define LCDCMD_CLS		1
#define LCDCMD_HOME		2
#define LCDCMD_CURSDIR	3
#define LCDCMD_DISPLAY	4
#define LCDCMD_CURSOR	5
#define LCDCMD_BLINK	6
#define LCDCMD_SHIFTD	7
#define LCDCMD_SHIFTC	8
#define LCDCMD_GOTOXY	9
#define LCDCMD_GETXY	10
#define LCDCMD_DATA		11

#define LCDRXE_IMGONE 	100

#define ON TRUE
#define OFF FALSE
#define YES TRUE
#define NO FALSE
#define DATA TRUE
#define REG FALSE
#define EIGHTBITS TRUE
#define FOURBITS FALSE
#define TWOLINES TRUE
#define ONELINE FALSE
#define TENDOTS TRUE
#define SEVENDOTS FALSE
#define RIGHT TRUE
#define LEFT FALSE
#define DISPLAY TRUE
#define CURSOR FALSE