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/*

** Copyright (C) 1991 DJ Delorie

**

** This file is distributed under the terms listed in the document

** "copying.dj".

** A copy of "copying.dj" should accompany this file; if not, a copy

** should be available from where this file was obtained.  This file

** may not be distributed without a verbatim copy of "copying.dj".

**

** This file is distributed WITHOUT ANY WARRANTY; without even the implied

** warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

*/

#ifndef _PC_H_

#define _PC_H_

#ifdef __cplusplus

extern "C" {

#endif

unsigned char inportb(unsigned short port);

unsigned short inportw(unsigned short port);

unsigned long inportl(unsigned short port);

unsigned char inportsb(unsigned short port, unsigned char *buf, unsigned len);

unsigned short inportsw(unsigned short port, unsigned short *buf, unsigned len);

unsigned long inportsl(unsigned short port, unsigned long *buf, unsigned len);

void outportb(unsigned short port, unsigned char data);

void outportw(unsigned short port, unsigned short data);

void outportl(unsigned short port, unsigned long data);

void outportsb(unsigned short port, unsigned char *buf, unsigned len);

void outportsw(unsigned short port, unsigned short *buf, unsigned len);

void outportsl(unsigned short port, unsigned long *buf, unsigned len);

int kbhit(void);

int getkey(void);

void sound(int frequency);

extern short ScreenPrimary[];

extern short ScreenSecondary[];

/* For the primary screen: */

int ScreenRows();

int ScreenCols();

void ScreenPutChar(int ch, int attr, int x, int y);

void ScreenSetCursor(int row, int col);

void ScreenGetCursor(int *row, int *col);

void ScreenClear();

#ifdef __cplusplus

}

#endif

#endif