enum {	Pcolours	= 256,		/* Palette */	Pred		= 0,	Pgreen		= 1,	Pblue		= 2, 	Pblack		= 0x00,	Pwhite		= 0xFF,}; typedef struct Cursor Cursor;struct	Cursor{	Point	offset;	uchar	clr[2*16];	uchar	set[2*16];}; /* * MPC8xx LCD controller */typedef struct LCDconfig {	long	freq;	/* ideal panel frequency in Hz */	int	wbl;	/* wait between lines (shift/clk cycles) */	int	vpw;	/* vertical sync pulse width (lines) */	int	wbf;	/* wait between frames (lines) */	int	ac;	/* AC timing (frames) */	ulong	flags;	ulong	notpdpar;	/* reset mask for pdpar */} LCDconfig; enum {	/* lccr flags stored in LCDconfig.flags */	ClockLow = 1<<11,	OELow = 1<<10,	HsyncLow = 1<<9,	VsyncLow = 1<<8,	DataLow = 1<<7,	Passive8 = 1<<4,	DualScan = 1<<3,	IsColour = 1<<2,	IsTFT = 1<<1,}; /* * physical graphics device properties set by archlcdmode */typedef struct Mode {	int	x;	int	y;	int	d; 	uchar*	aperture;	int	apsize;	LCDconfig	lcd;} Mode; int	archlcdmode(Mode*);extern	Point	mousexy(void);extern void	blankscreen(int);