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PCHWIO.H
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C/C++ Source or Header
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1997-07-05
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2KB
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68 lines
/* +++Date last modified: 05-Jul-1997 */
/*
** PCHWIO.H - SNIPPETS header file for portable hardware I/O access under DOS
**
** public domain by Bob Stout
*/
#ifndef PCHWIO__H
#define PCHWIO__H
#include <dos.h>
#include "extkword.h"
#if defined(__TURBOC__) || defined(__POWERC)
#ifndef inp
#define inp inportb
#endif
#ifndef outp
#define outp outportb
#endif
#ifndef inpw
#define inpw inport
#endif
#ifndef outpw
#define outpw outport
#endif
#elif defined(__ZTC__)
#include <int.h>
#define enable int_on
#define disable int_off
#if !defined(__SC__)
void FAR * getvect(unsigned intnum);
void setvect(unsigned intnum, void (INTERRUPT FAR *handler)());
#else
#define getvect _dos_getvect
#define setvect _dos_setvect
#endif
#else /* assume MSC/QC/WC */
#include <conio.h>
#if defined(__WATCOMC__)
#include <i86.h>
#endif
#define enable _enable
#define disable _disable
#define getvect _dos_getvect
#define setvect _dos_setvect
#endif
#if defined(_MSC_VER) || defined(__WATCOMC__) || \
defined(__ZTC__) || defined(__SC__)
unsigned char Peekb(unsigned seg, unsigned ofs); /* PCHWIO.C */
unsigned short Peekw(unsigned seg, unsigned ofs); /* PCHWIO.C */
void Pokeb(unsigned seg, unsigned ofs, unsigned char ch); /* PCHWIO.C */
void Pokew(unsigned seg, unsigned ofs, unsigned short num); /* PCHWIO.C */
#elif defined(__TURBOC__)
#define Peekw peek
#define Pokew poke
#define Peekb peekb
#define Pokeb pokeb
#endif /* peek(), poke() */
#endif /* PCHWIO__H */