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+/* m- file for Cydrome's CYDRA 5 mini super computer
+ Copyright (C) 1988 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 1, 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 GNU Emacs; see the file COPYING. If not, write to
+the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
+
+
+/* The following three symbols give information on
+ the size of various data types. */
+
+#define SHORTBITS 16 /* Number of bits in a short */
+
+#define INTBITS 32 /* Number of bits in an int */
+
+#define LONGBITS 32 /* Number of bits in a long */
+
+/* Define BIG_ENDIAN iff lowest-numbered byte in a word
+ is the most significant byte. */
+
+#define BIG_ENDIAN
+
+/* Define NO_ARG_ARRAY if you cannot take the address of the first of a
+ * group of arguments and treat it as an array of the arguments. */
+
+#undef NO_ARG_ARRAY
+
+/* Define WORD_MACHINE if addresses and such have
+ * to be corrected before they can be used as byte counts. */
+
+#undef WORD_MACHINE
+
+/* Define how to take a char and sign-extend into an int.
+ On machines where char is signed, this is a no-op. */
+
+#define SIGN_EXTEND_CHAR(c) (c)
+
+/* Now define a symbol for the cpu type, if your compiler
+ does not define it automatically:
+ Ones defined so far include vax, m68000, ns16000, pyramid,
+ orion, tahoe, APOLLO and many others */
+
+/* Use type int rather than a union, to represent Lisp_Object */
+/* This is desirable for most machines. */
+
+#define NO_UNION_TYPE
+
+/* Define EXPLICIT_SIGN_EXTEND if XINT must explicitly sign-extend
+ the 24-bit bit field into an int. In other words, if bit fields
+ are always unsigned.
+
+ If you use NO_UNION_TYPE, this flag does not matter. */
+
+#define EXPLICIT_SIGN_EXTEND
+
+/* Data type of load average, as read out of kmem. */
+
+#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) x
+
+/* Define CANNOT_DUMP on machines where unexec does not work.
+ Then the function dump-emacs will not be defined
+ and temacs will do (load "loadup") automatically unless told otherwise. */
+
+/*#define CANNOT_DUMP*/
+
+/* Define VIRT_ADDR_VARIES if the virtual addresses of
+ pure and impure space as loaded can vary, and even their
+ relative order cannot be relied on.
+
+ Otherwise Emacs assumes that data space precedes text space,
+ numerically. */
+
+#undef VIRT_ADDR_VARIES
+
+/* Define C_ALLOCA if this machine does not support a true alloca
+ and the one written in C should be used instead.
+ Define HAVE_ALLOCA to say that the system provides a properly
+ working alloca function and it should be used.
+ Define neither one if an assembler-language alloca
+ in the file alloca.s should be used. */
+
+#define C_ALLOCA
+#undef HAVE_ALLOCA
+
+/* The data segment in this machine always starts at address 0x10000000.
+ An address of data cannot be stored correctly in a Lisp object;
+ we always lose the high bits. We must tell XPNTR to add them back. */
+
+#define DATA_SEG_BITS 0x20000000
+#define DATA_START 0x20000000
+
+/* Define NO_REMAP if memory segmentation makes it not work well
+ to change the boundary between the text section and data section
+ when Emacs is dumped. If you define this, the preloaded Lisp
+ code will not be sharable; but that's better than failing completely. */
+
+#define NO_REMAP
+#define BROKEN_FIONREAD /* We son't even have it */
+#define LIBS_MACHINE -lsocket -lnsl
+
+/* Stack grows downward in memory. */
+#define STACK_DIRECTION -1
+
+/* The data section in a coff file must be aligned in the file. */
+#define DATA_SECTION_ALIGNMENT 0xFFF
+
+/* Compiler won't allow switch (x) when x is an enum. */
+#define SWITCH_ENUM_BUG
+
+
+/* Explain how pty filenames work. */
+
+#define PTY_ITERATION for (i = 47; i >= 0; i--)
+#define PTY_NAME_SPRINTF sprintf (pty_name, "/dev/pty%03x", i);
+#define PTY_TTY_NAME_SPRINTF sprintf (pty_name, "/dev/ptm%03x", i);
+
+/* We can't do interrupt-driven input, so don't let user try. */
+
+#undef SIGIO