/*	SCCS Id: @(#)pcconf.h	3.4	1995/10/11	*/
/* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
/* NetHack may be freely redistributed.  See license for details. */

#ifndef PCCONF_H
#define PCCONF_H

#define MICRO		/* always define this! */

#ifdef MSDOS		/* some of this material is MS-DOS specific */

/*
 *  Automatic Defines:
 *
 *     __GO32__ is defined automatically by the djgpp port of gcc.
 *     __DJGPP__ is defined automatically by djgpp version 2 and above.
 *     _MSC_VER is defined automatically by Microsoft C.
 *     __BORLANDC__ is defined automatically by Borland C.
 *     __SC__ is defined automatically by Symantec C.
 *	Note: 3.4.1 was not verified with Symantec C.
 */

/*
 *  The following options are somewhat configurable depending on
 *  your compiler.
 */

/*
 *  For pre-V7.0 Microsoft Compilers only, manually define OVERLAY here.
 */

/* #define OVERLAY */	/* Manual overlay definition (MSC 6.0ax only) */

# ifndef __GO32__
#  define MFLOPPY	/* Support for floppy drives and ramdisks by dgk */
# endif

/* [Tom] trying to make this work with WATCOM */
#if 0
# define NO_SIGNAL
# undef MOVERLAY
#endif

# define SHELL		/* via exec of COMMAND.COM */

# ifdef __BORLANDC__
#define PCMUSIC		/* enable very basic pc speaker music notes */
# endif

/*
 * Screen control options
 *
 * You may uncomment:
 *		       ANSI_DEFAULT
 *		  or   TERMLIB
 *		  or   ANSI_DEFAULT and TERMLIB
 *		  or   NO_TERMS
 */

/* # define TERMLIB */	   /* enable use of termcap file /etc/termcap */
			/* or ./termcap for MSDOS (SAC) */
			/* compile and link in Fred Fish's termcap library, */
			/* enclosed in TERMCAP.ARC, to use this */

/* # define ANSI_DEFAULT */   /* allows NetHack to run without a ./termcap */

# define NO_TERMS	/* Allows Nethack to run without ansi.sys by linking */
			/* screen routines into the .exe     */

# ifdef NO_TERMS	/* if NO_TERMS select one screen package below */
#define SCREEN_BIOS		/* Use bios calls for all screen control */
/* #define SCREEN_DJGPPFAST */	/* Use djgpp fast screen routines	*/
# endif


/* # define PC9800 */	/* Allows NetHack to run on NEC PC-9800 machines */
			/* Yamamoto Keizo */


/*
 * PC video hardware support options (for graphical tile support)
 *
 * You may uncomment any/all of the options below.
 *
 */
# ifndef SUPPRESS_GRAPHICS
#  if (defined(SCREEN_BIOS) || defined(SCREEN_DJGPPFAST)) && !defined(PC9800)
#   ifdef USE_TILES
#define SCREEN_VGA	/* Include VGA	  graphics routines in the build */
#define ALLEG_FX 	/* Use Allegro libraries */
#   endif
#  endif
# else
# undef NO_TERMS
# undef SCREEN_BIOS
# undef SCREEN_DJGPPFAST
# undef SCREEN_VGA
# undef TERMLIB
# define ANSI_DEFAULT
# endif

# define RANDOM		/* have Berkeley random(3) */

# define MAIL		/* Allows for fake mail daemon to deliver mail */
			/* in the MSDOS version.  (For AMIGA MAIL see  */
			/* amiconf.h).	In the future this will be the */
			/* hook for mail reader implementation.        */

/* The following is needed for prototypes of certain functions */

#if defined(_MSC_VER) || defined(__BORLANDC__) || defined(__SC__)
#include <process.h>	/* Provides prototypes of exit(), spawn()      */
#endif

#if defined(__BORLANDC__) && defined(STRNCMPI)
#include <string.h>	/* Provides prototypes of strncmpi(), etc.     */
#endif

#if defined(__DJGPP__)
#define _NAIVE_DOS_REGS
#include <stdlib.h>
#include <string.h>	/* Provides prototypes of strncmpi(), etc.     */
# ifndef M
#define M(c)		((char) (0x80 | (c)))
# endif
#endif

/*
 * On the VMS and unix, this option controls whether a delay is done by
 * the clock, or whether it is done by excess output.  On the PC, however,
 * there is always a clock to use for the delay.  The TIMED_DELAY option
 * on MSDOS (without the termcap routines) is used to determine whether to
 * include the delay routines in the code (and thus, provides a compile time
 * method to turn off napping for visual effect).  However, it is also used
 * in the music code to wait between different notes.  So it is needed in that
 * case as well.

 * Whereas on the VMS and unix, flags.nap is a run-time option controlling
 * whether there is a delay by clock or by excess output, on MSDOS it is
 * simply a flag to turn on or off napping for visual effects at run-time.
 */

#define TIMED_DELAY	/* enable the `timed_delay' run-time option */

# ifdef PCMUSIC
#define TIMED_DELAY	/* need it anyway */
# endif
#define NOCWD_ASSUMPTIONS	/* Allow paths to be specified for HACKDIR,
				   LEVELDIR, SAVEDIR, BONESDIR, DATADIR,
				   SCOREDIR, LOCKDIR, CONFIGDIR, and TROUBLEDIR. */

#endif /* MSDOS configuration stuff */

#define PATHLEN		64	/* maximum pathlength */
#define FILENAMELEN	80	/* maximum filename length (conservative) */
#ifndef MICRO_H
#include "micro.h"		/* contains necessary externs for [os_name].c */
#endif


/* ===================================================
 *  The remaining code shouldn't need modification.
 */

#ifndef SYSTEM_H
#include "system.h"
#endif

#ifdef __DJGPP__
#include <unistd.h> /* close(), etc. */
/* lock() in io.h interferes with lock[] in decl.h */
#define lock djlock
#include <io.h>
#undef lock
#include <pc.h> /* kbhit() */
#define PC_LOCKING
#define HOLD_LOCKFILE_OPEN
#define SELF_RECOVER		/* NetHack itself can recover games */
#endif

# ifdef MSDOS
#  ifndef EXEPATH
#define EXEPATH		/* HACKDIR is .exe location if not explicitly defined */
#  endif
# endif

# if defined(_MSC_VER) && defined(MSDOS)
#  if (_MSC_VER >= 700) && !defined(FUNCTION_LEVEL_LINKING)
#   ifndef MOVERLAY
#define MOVERLAY	/* Microsoft's MOVE overlay system (MSC >= 7.0) */
#   endif
#  endif
#define PC_LOCKING
# endif

/* Borland Stuff */
# if defined(__BORLANDC__)
#  if defined(__OVERLAY__) && !defined(VROOMM)
/* __OVERLAY__ is automatically defined by Borland C if overlay option is on */
#define VROOMM		/* Borland's VROOMM overlay system */
#  endif
#  if !defined(STKSIZ)
#define STKSIZ	5*1024	/* Use a default of 5K stack for Borland C	*/
			/* This macro is used in any file that contains */
			/* a main() function.				*/
#  endif
#define PC_LOCKING
# endif

#ifdef PC_LOCKING
#define HLOCK "NHPERM"
#endif

#ifndef index
# define index	strchr
#endif
#ifndef rindex
# define rindex strrchr
#endif

#ifndef AMIGA
#include <time.h>
#endif

#ifdef RANDOM
/* Use the high quality random number routines. */
# define Rand() random()
#else
# define Rand() rand()
#endif

#ifndef TOS
# define FCMASK 0660	/* file creation mask */
#endif

#include <fcntl.h>

#ifndef REDO
# undef Getchar
# define Getchar nhgetch
#endif

#ifdef MSDOS
# define TEXTCOLOR /* */
# define PORT_HELP "msdoshlp.txt" /* msdos port specific help file */
#endif


/* Sanity check, do not modify these blocks. */

/* OVERLAY must be defined with MOVERLAY or VROOMM */
#if (defined(MOVERLAY) || defined(VROOMM))
# ifndef OVERLAY
#  define OVERLAY
# endif
#endif

#if defined(FUNCTION_LEVEL_LINKING)
#define OVERLAY
#define OVL0
#define OVL1
#define OVL2
#define OVL3
#define OVLB
#endif

#if defined(OVERLAY) && !defined(MOVERLAY) && !defined(VROOMM) && !defined(FUNCTION_LEVEL_LINKING)
#define USE_TRAMPOLI
#endif

#if defined(MSDOS) && defined(NO_TERMS)
# ifdef TERMLIB
#  if defined(_MSC_VER) || defined(__SC__)
#   pragma message("Warning -- TERMLIB defined with NO_TERMS in pcconf.h")
#   pragma message("           Forcing undef of TERMLIB")
#  endif
#undef TERMLIB
# endif
# ifdef ANSI_DEFAULT
#  if defined(_MSC_VER) || defined(__SC__)
#   pragma message("Warning -- ANSI_DEFAULT defined with NO_TERMS in pcconf.h")
#   pragma message("           Forcing undef of ANSI_DEFAULT")
#  endif
#undef ANSI_DEFAULT
# endif
/* only one screen package is allowed */
# if defined(SCREEN_BIOS) && defined(SCREEN_DJGPPFAST)
#  if defined(_MSC_VER) || defined(__SC__)
#   pragma message("Warning -- More than one screen package defined in pcconf.h")
#  endif
#  if defined(_MSC_VER) || defined(__BORLANDC__) || defined(__SC__)
#   if defined(SCREEN_DJGPPFAST)
#    if defined(_MSC_VER) || defined(__SC__)
#    pragma message("           Forcing undef of SCREEN_DJGPPFAST")
#    endif
#undef SCREEN_DJGPPFAST   /* Can't use djgpp fast with other compilers anyway */
#   endif
#  else
/* djgpp C compiler	*/
#   if defined(SCREEN_BIOS)
#undef SCREEN_BIOS
#   endif
#  endif
# endif
# define ASCIIGRAPH
# ifdef TEXTCOLOR
#  define VIDEOSHADES
# endif
/* SCREEN_8514, SCREEN_VESA are only placeholders presently - sub VGA instead */
# if defined(SCREEN_8514) || defined(SCREEN_VESA)
#  undef SCREEN_8514
#  undef SCREEN_VESA
#  define SCREEN_VGA
# endif
/* Graphical tile sanity checks */
# if defined(SCREEN_VGA) || defined(ALLEG_FX)
#  define SIMULATE_CURSOR
#  define POSITIONBAR
/* Select appropriate tile file format, and map size */
#  define PLANAR_FILE
#  define SMALL_MAP
# endif
#endif			/* End of sanity check block */

#if defined(MSDOS) && defined(DLB)
#define FILENAME_CMP  stricmp		      /* case insensitive */
#endif

#ifdef MSC7_WARN	/* define with cl /DMSC7_WARN	*/
#pragma warning(disable:4131)
#endif

#ifdef TIMED_DELAY
# ifdef __DJGPP__
# define msleep(k) (void) usleep((k)*1000)
# endif
# ifdef __BORLANDC__
# define msleep(k) delay(k)
# endif
# ifdef __SC__
# define msleep(k) (void) usleep((long)((k)*1000))
# endif
#endif

#endif /* PCCONF_H */
