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/* -*- c -*- ------------------------------------------------------------- *
*
* Copyright 2004-2005 Murali Krishnan Ganapathy - All Rights Reserved
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, Inc., 53 Temple Place Ste 330,
* Boston MA 02111-1307, USA; either version 2 of the License, or
* (at your option) any later version; incorporated herein by reference.
*
* ----------------------------------------------------------------------- */
#ifndef __COM32IO_H__
#define __COM32IO_H__
#include <com32.h>
#include <stdio.h>
#include <libansi.h>
#ifndef NULL
#define NULL ((void *)0)
#endif
/* Bits representing ShiftFlags, See Int16/Function 2 or Mem[0x417] to get this info */
#define INSERT_ON (1<<7)
#define CAPSLOCK_ON (1<<6)
#define NUMLOCK_ON (1<<5)
#define SCRLLOCK_ON (1<<4)
#define ALT_PRESSED (1<<3)
#define CTRL_PRESSED (1<<2)
// actually 1<<1 is Left Shift, 1<<0 is right shift
#define SHIFT_PRESSED (1<<1 | 1 <<0)
/* BIOS Assisted output routines */
void getpos(char *row, char *col, char page);
char inputc(char *scancode); // Return ASCII char by val, and scancode by reference
void setcursorshape(char start, char end); // Set cursor shape
void getcursorshape(char *start, char *end); // Get shape for current page
// Get char displayed at current position in specified page
unsigned char getcharat(char page);
static inline unsigned char readbiosb(unsigned int ofs)
{
return *((unsigned char *)MK_PTR(0, ofs));
}
static inline char getshiftflags(void)
{
return readbiosb(0x417);
}
void scrollupwindow(char top, char left, char bot, char right, char attr, char numlines); //Scroll up given window
void setvideomode(char mode); // Set the video mode.
static inline char getvideomode(void) // Get the current video mode
{
return readbiosb(0x449);
}
#endif
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