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/*
** Copyright (C) 1991 DJ Delorie, 24 Kirsten Ave, Rochester NH 03867-2954
**
** This file is distributed under the terms listed in the document
** "copying.dj", available from DJ Delorie at the address above.
** 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