vga_err.c File Reference

#include <cpu/ports.h>
#include <string.h>

Macros
#define	VGA_BLACK   0
	The color black.
#define	VGA_WHITE   15
	The color white.

Functions
static void	set_char (int x, char c)
void	vga_init (char *addr)
void	vga_write_string (const char *string)

Variables
static char *	screen
	Pointer to VGA screen memory.
static int	x =0
	Next character offset in VGA sreen memory.

Function Documentation

set_char()

static void set_char ( int  x, char  c  )

static

Set a character on the screen

Parameters

x	The character index to set
c	The character to write

vga_init()

void vga_init

(

char *

screen

)

Initilaze the VGA error writing driver

Parameters

screen

Pointer to VGA screen memory

vga_write_string()

void vga_write_string

(

const char *

string

)

Write a string starting at the top line of the VGA display

Parameters

string

The string to write