video.c File Reference

#include "routix/system.h"
#include <routix/kstdio.h>
#include <drivers/video.h>

Go to the source code of this file.

Defines

• #define VIDEO   (0xb8000)
• #define TAB_SPACES   4
• #define VIDEO_LAST_LINE   3840
• #define nextpos(pos)

Functions

• int putchar (int a)

  Definiciones básicas de entrada/salida para el kernel.
  
  

• int puts (const char *s)
• void clrscr (void)
• void scroll_up (void)
• unsigned char * gotoxy (int fila, int columna)

Variables

• unsigned char * pos = (unsigned char *) VIDEO
• unsigned char cursor_caracteristicas = 2

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Define Documentation

#define nextpos (  pos   )

Value: if ( (pos+=2) > (unsigned char *) VIDEO+4000 ) { \ scroll_up(); \ pos = (unsigned char *) (VIDEO + VIDEO_LAST_LINE); \ } Definition at line 18 of file video.c. Referenced by putchar().

#define TAB_SPACES   4

Definition at line 11 of file video.c.

#define VIDEO   (0xb8000)

Definition at line 9 of file video.c. Referenced by clrscr(), gotoxy(), putchar(), and scroll_up().

#define VIDEO_LAST_LINE   3840

Definition at line 16 of file video.c. Referenced by putchar(), and scroll_up().

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Function Documentation

void clrscr (  void   )

Definition at line 103 of file video.c.

unsigned char* gotoxy (  int  fila, int  columna )

Definition at line 146 of file video.c.

int putchar (  int  a  )

Definiciones básicas de entrada/salida para el kernel. Definition at line 25 of file video.c.

int puts (  const char *  s  )

Definition at line 72 of file video.c.

void scroll_up (  void   )

Definition at line 118 of file video.c. Referenced by putchar().

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Variable Documentation

unsigned char cursor_caracteristicas = 2

Definition at line 14 of file video.c. Referenced by putchar(), and scroll_up().

unsigned char* pos = (unsigned char *) VIDEO

Definition at line 13 of file video.c. Referenced by clrscr(), gotoxy(), and putchar().

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