vga_text.h File Reference

#include <sys/types.h>

Include dependency graph for vga_text.h:

Macros
#define	VIDEO_ADDRESS   0xB8000
	The address of the frame buffer.

Functions
void	vga_text_init ()
void	vga_text_write_at (char c, uint8_t scheme, uint8_t x, uint8_t y)
void	vga_text_move_cursor (uint8_t x, uint8_t y)
void	vga_text_disable_cursor ()

Detailed Description

See also

https://en.wikipedia.org/wiki/VGA-compatible_text_mode

Function Documentation

vga_text_disable_cursor()

void vga_text_disable_cursor

(

)

Disables the cursor.

vga_text_init()

void vga_text_init

(

)

Initializes the VGA text mode driver.

vga_text_move_cursor()

void vga_text_move_cursor	(	uint8_t	x,
		uint8_t	y )

Moves the cursor at (x, y).

Parameters

x	the X position on the screen
y	the Y position on the screen

vga_text_write_at()

void vga_text_write_at	(	char	c,
		uint8_t	scheme,
		uint8_t	x,
		uint8_t	y )

Writes a character to the screen at (x, y).

Parameters

c	the character to write to the screen
scheme	the color scheme
x	the X position on the screen
y	the Y position on the screen