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Annotation of GNUtools/emacs/src/m-sun1.h, revision 1.1.1.1

1.1       root        1: /* m- file for Sun 68000's
                      2:    Copyright (C) 1985, 1986 Free Software Foundation, Inc.
                      3: 
                      4: This file is part of GNU Emacs.
                      5: 
                      6: GNU Emacs is free software; you can redistribute it and/or modify
                      7: it under the terms of the GNU General Public License as published by
                      8: the Free Software Foundation; either version 1, or (at your option)
                      9: any later version.
                     10: 
                     11: GNU Emacs is distributed in the hope that it will be useful,
                     12: but WITHOUT ANY WARRANTY; without even the implied warranty of
                     13: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     14: GNU General Public License for more details.
                     15: 
                     16: You should have received a copy of the GNU General Public License
                     17: along with GNU Emacs; see the file COPYING.  If not, write to
                     18: the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
                     19: 
                     20: 
                     21: /* The following three symbols give information on
                     22:  the size of various data types.  */
                     23: 
                     24: #define SHORTBITS 16           /* Number of bits in a short */
                     25: 
                     26: #define INTBITS 32             /* Number of bits in an int */
                     27: 
                     28: #define LONGBITS 32            /* Number of bits in a long */
                     29: 
                     30: /* 68000 has lowest-numbered byte as most significant */
                     31: 
                     32: #define BIG_ENDIAN
                     33: 
                     34: /* Define how to take a char and sign-extend into an int.
                     35:    On machines where char is signed, this is a no-op.  */
                     36: 
                     37: #define SIGN_EXTEND_CHAR(c) (c)
                     38: 
                     39: /* Say this machine is a 68000 */
                     40: 
                     41: #define m68000
                     42: 
                     43: /* Use type int rather than a union, to represent Lisp_Object */
                     44: 
                     45: #define NO_UNION_TYPE
                     46: 
                     47: /* Sun can't write competant compilers */
                     48: #define COMPILER_REGISTER_BUG
                     49: 
                     50: /* XINT must explicitly sign-extend */
                     51: 
                     52: #define EXPLICIT_SIGN_EXTEND
                     53: 
                     54: /* Data type of load average, as read out of kmem.  */
                     55: 
                     56: #define LOAD_AVE_TYPE long
                     57: 
                     58: /* Convert that into an integer that is 100 for a load average of 1.0  */
                     59: 
                     60: #define LOAD_AVE_CVT(x) (int) (((double) (x)) * 100.0 / FSCALE)
                     61: 
                     62: /* Must use the system's termcap.  It does special things.  */
                     63: 
                     64: #define LIBS_TERMCAP -ltermcap
                     65: 
                     66: /* Mask for address bits within a memory segment */
                     67: 
                     68: #define SEGMENT_MASK (SEGSIZ - 1)

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