| /* -*- 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 |