diff --git a/include/tosconf.h b/include/tosconf.h
new file mode 100644
index 000000000..090195cfe
--- /dev/null
+++ b/include/tosconf.h
@@ -0,0 +1,86 @@
+/*	SCCS Id: @(#)tosconf.h	3.2	90/02/22	*/
+/* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
+/* NetHack may be freely redistributed.  See license for details. */
+
+#ifdef TOS
+#ifndef TOSCONF_H
+#define TOSCONF_H
+
+#define MICRO		/* must be defined to allow some inclusions */
+
+/*
+   Adjust these options to suit your compiler. The default here is for
+   GNU C with the MiNT library.
+*/
+
+/*#define NO_SIGNAL		/* library doesn't support signals	*/
+/*#define NO_FSTAT		/* library doesn't have fstat() call	*/
+#define MINT			/* library supports MiNT extensions to TOS */
+
+#ifdef __MINT__
+#define MINT
+#endif
+
+#ifdef O_BINARY
+#define FCMASK	O_BINARY
+#else
+#define FCMASK	0660
+#define O_BINARY 0
+#endif
+
+#ifdef UNIXDEBUG
+#define remove(x)	unlink(x)
+#endif
+
+/* configurable options */
+#define MFLOPPY			/* floppy support		*/
+#define RANDOM			/* improved random numbers	*/
+#define SHELL			/* allow spawning of shell	*/
+#define TERMLIB			/* use termcap			*/
+#define TEXTCOLOR		/* allow color			*/
+#define MAIL			/* enable the fake maildemon */
+#ifdef MINT
+#define SUSPEND			/* allow suspending the game	*/
+#endif
+
+#ifndef TERMLIB
+#define ANSI_DEFAULT		/* use vt52 by default		*/
+#endif
+
+#if defined(__GNUC__) || defined(__MINT__)
+/* actually, only more recent GNU C libraries have strcmpi
+ * on the other hand, they're free -- if yours is out of
+ * date, grab the most recent from atari.archive.umich.edu
+ */
+#define STRNCMPI
+#undef strcmpi
+extern int FDECL(strcmpi,(const char *, const char *));
+extern int FDECL(strncmpi,(const char *, const char *, size_t));
+#endif
+
+#include <termcap.h>
+#include <unistd.h>
+/* instead of including system.h from pcconf.h */
+#include <string.h>
+#include <stdlib.h>
+#include <types.h>
+#define SIG_RET_TYPE __Sigfunc
+#define SYSTEM_H
+
+#ifndef MICRO_H
+#include "micro.h"
+#endif
+#ifndef PCCONF_H
+#include "pcconf.h"		/* remainder of stuff is same as the PC */
+#endif
+
+#ifdef TEXTCOLOR
+extern boolean colors_changed;	/* in tos.c */
+#endif
+
+#ifdef __GNUC__
+#define GCC_BUG		/* correct a gcc bug involving double for loops */
+#endif
+
+#endif /* TOSCONF_H */
+#endif /* TOS */