--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/m/dual.h	Mon Aug 13 08:45:50 2007 +0200
@@ -0,0 +1,62 @@
+/* machine description file for Dual machines using unisoft port.
+   Copyright (C) 1985 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
+Dual running System V (-machine=dual -opsystem=usg5-2)
+
+  As of 17.46, this works except for a few changes
+  needed in unexec.c.
+
+Dual running Uniplus (-machine=dual -opsystem=unipl5-2)
+
+  Works, as of 17.51.
+NOTE-END */
+
+
+/* XINT must explicitly sign-extend */
+
+#define EXPLICIT_SIGN_EXTEND
+
+/* Now define a symbol for the cpu type, if your compiler
+   does not define it automatically:
+   vax, m68000, ns16000 are the ones defined so far.  */
+
+#ifndef m68000
+#define m68000
+#endif
+
+/* Data type of load average, as read out of kmem.  */
+/* These are commented out since it does not really work in uniplus */
+  
+/* #define LOAD_AVE_TYPE long */
+
+/* Convert that into an integer that is 100 for a load average of 1.0  */
+
+/* #define LOAD_AVE_CVT(x) (int) (((double) (x)) * 100.0) */
+
+/* Change some things to avoid bugs in compiler */
+
+#define SWITCH_ENUM_BUG 1