--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/m/isi-ov.h	Mon Aug 13 08:45:50 2007 +0200
@@ -0,0 +1,85 @@
+/* machine description file for ISI 68000's
+   Copyright (C) 1985, 1986 Free Software Foundation, Inc.
+
+This file is part of GNU Emacs.
+
+GNU Emacs is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Emacs is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with XEmacs; see the file COPYING.  If not, write to
+the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA.  */
+
+/* Synched up with: FSF 19.31. */
+
+/* The following line tells the configuration script what sort of 
+   operating system this machine is likely to run.
+   USUAL-OPSYS="note"
+
+NOTE-START
+Use `-opsystem=bsd4-2' or `-opsystem=bsd4-3'.
+NOTE-END */
+
+#define ISI68K
+
+/* Say this machine is a 68000 */
+
+#define m68000
+
+/* XINT must explicitly sign-extend */
+
+#define EXPLICIT_SIGN_EXTEND
+
+/* Data type of load average, as read out of kmem.  */
+
+#ifdef BSD4_3
+#define LOAD_AVE_TYPE long
+#else
+#define LOAD_AVE_TYPE double
+#endif BSD4_3
+
+/* Convert that into an integer that is 100 for a load average of 1.0  */
+
+#ifdef BSD4_3
+#define LOAD_AVE_CVT(x) (int) (((double) (x)) * 100.0 / FSCALE)
+#else
+#define LOAD_AVE_CVT(x) ((int) ((x) * 100.0))
+#endif
+
+/* Mask for address bits within a memory segment */
+
+#define SEGMENT_MASK 0x1ffff
+
+/* use the -20 switch to get the 68020 code */
+/* #define C_SWITCH_MACHINE -20 */
+
+/* Use the version of the library for the 68020
+   because the standard library requires some special hacks in crt0
+   which the GNU crt0 does not have.  */
+
+#define LIB_STANDARD -lmc
+
+/* macros to make unexec work right */
+
+#define A_TEXT_OFFSET(HDR) sizeof(HDR)
+#define A_TEXT_SEEK(HDR) sizeof(HDR)
+
+/* A few changes for the newer systems.  */
+
+#ifdef BSD4_3
+#define HAVE_ALLOCA
+/* The following line affects crt0.c.  */
+#undef m68k
+
+#undef LIB_STANDARD
+#define LIB_STANDARD -lmc -lc
+#define C_DEBUG_SWITCH -20 -O -X23
+#endif