video

This server provides support for video devices, including VGA. More...

Data Structures
class	VGA
	Video Graphics Array (VGA) support. More...

Macros
#define	VGA_PADDR   (0xb8000)
	VGA physical video memory address. More...
#define	VGA_IOADDR   0x3d4
	VGA I/O address port. More...
#define	VGA_IODATA   0x3d5
	VGA I/O data port. More...
#define	VGA_ATTR(front, back)   (((back & 0xf) << 4) | ((front & 0xf)))
	Encodes VGA attributes. More...
#define	VGA_CHAR(ch, front, back)   ((VGA_ATTR(front,back) << 8) | (ch & 0xff))
	Encodes a character for VGA output. More...

Enumerations
enum	Colors {   BLACK = 0, BLUE = 1, GREEN = 2, CYAN = 3,   RED = 4, MAGENTA = 5, BROWN = 6, LIGHTGREY = 7,   DARKGREY = 8, LIGHTBLUE = 9, LIGHTGREEN = 10, LIGHTCYAN = 11,   LIGHTRED = 12, LIGHTMAGENTA = 13, LIGHTBROWN = 14, WHITE = 15 }
	VGA color attributes. More...

Detailed Description

This server provides support for video devices, including VGA.

Macro Definition Documentation

VGA_ATTR

#define VGA_ATTR	(		front,
			back
	)		(((back & 0xf) << 4) | ((front & 0xf)))

Encodes VGA attributes.

Parameters

front	Front text color.
back	Background color.

Definition at line 48 of file VGA.h.

VGA_CHAR

#define VGA_CHAR	(		ch,
			front,
			back
	)		((VGA_ATTR(front,back) << 8) | (ch & 0xff))

Encodes a character for VGA output.

Parameters

ch	Character to encode.
front	Front text color.
back	Background color.

Definition at line 58 of file VGA.h.

VGA_IOADDR

#define VGA_IOADDR   0x3d4

VGA I/O address port.

Definition at line 37 of file VGA.h.

VGA_IODATA

#define VGA_IODATA   0x3d5

VGA I/O data port.

Definition at line 40 of file VGA.h.

VGA_PADDR

#define VGA_PADDR   (0xb8000)

VGA physical video memory address.

Definition at line 34 of file VGA.h.

Enumeration Type Documentation

Colors

enum Colors

VGA color attributes.

Enumerator
BLACK
BLUE
GREEN
CYAN
RED
MAGENTA
BROWN
LIGHTGREY
DARKGREY
LIGHTBLUE
LIGHTGREEN
LIGHTCYAN
LIGHTRED
LIGHTMAGENTA
LIGHTBROWN
WHITE

Definition at line 64 of file VGA.h.