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Annotation of 43BSDReno/contrib/emacs-18.55/src/m-isi-ov.h, revision 1.1

1.1     ! root        1: /* m- file for ISI 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 distributed in the hope that it will be useful,
        !             7: but WITHOUT ANY WARRANTY.  No author or distributor
        !             8: accepts responsibility to anyone for the consequences of using it
        !             9: or for whether it serves any particular purpose or works at all,
        !            10: unless he says so in writing.  Refer to the GNU Emacs General Public
        !            11: License for full details.
        !            12: 
        !            13: Everyone is granted permission to copy, modify and redistribute
        !            14: GNU Emacs, but only under the conditions described in the
        !            15: GNU Emacs General Public License.   A copy of this license is
        !            16: supposed to have been given to you along with GNU Emacs so you
        !            17: can know your rights and responsibilities.  It should be in a
        !            18: file named COPYING.  Among other things, the copyright notice
        !            19: and this notice must be preserved on all copies.  */
        !            20: 
        !            21: 
        !            22: #define ISI68K
        !            23: 
        !            24: /* The following three symbols give information on
        !            25:  the size of various data types.  */
        !            26: 
        !            27: #define SHORTBITS 16           /* Number of bits in a short */
        !            28: 
        !            29: #define INTBITS 32             /* Number of bits in an int */
        !            30: 
        !            31: #define LONGBITS 32            /* Number of bits in a long */
        !            32: 
        !            33: /* 68000 has lowest-numbered byte as most significant */
        !            34: 
        !            35: #define BIG_ENDIAN
        !            36: 
        !            37: /* Define how to take a char and sign-extend into an int.
        !            38:    On machines where char is signed, this is a no-op.  */
        !            39: 
        !            40: #define SIGN_EXTEND_CHAR(c) (c)
        !            41: 
        !            42: /* Say this machine is a 68000 */
        !            43: 
        !            44: #define m68000
        !            45: 
        !            46: /* Use type int rather than a union, to represent Lisp_Object */
        !            47: 
        !            48: #define NO_UNION_TYPE
        !            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: #ifdef BSD4_3
        !            57: #define LOAD_AVE_TYPE long
        !            58: #else
        !            59: #define LOAD_AVE_TYPE double
        !            60: #endif BSD4_3
        !            61: 
        !            62: /* Convert that into an integer that is 100 for a load average of 1.0  */
        !            63: 
        !            64: #ifdef BSD4_3
        !            65: #define LOAD_AVE_CVT(x) (int) (((double) (x)) * 100.0 / FSCALE)
        !            66: #else
        !            67: #define LOAD_AVE_CVT(x) ((int) ((x) * 100.0))
        !            68: #endif
        !            69: 
        !            70: /* Mask for address bits within a memory segment */
        !            71: 
        !            72: #define SEGMENT_MASK 0x1ffff
        !            73: 
        !            74: /* use the -20 switch to get the 68020 code */
        !            75: /* #define C_SWITCH_MACHINE -20 */
        !            76: 
        !            77: /* Use the version of the library for the 68020
        !            78:    because the standard library requires some special hacks in crt0
        !            79:    which the GNU crt0 does not have.  */
        !            80: 
        !            81: #define LIB_STANDARD -lmc
        !            82: 
        !            83: /* macros to make unexec work right */
        !            84: 
        !            85: #define A_TEXT_OFFSET(HDR) sizeof(HDR)
        !            86: #define A_TEXT_SEEK(HDR) sizeof(HDR)
        !            87: 
        !            88: /* A few changes for the newer systems.  */
        !            89: 
        !            90: #ifdef BSD4_3
        !            91: #define HAVE_ALLOCA
        !            92: /* The following line affects crt0.c.  */
        !            93: #undef m68k
        !            94: 
        !            95: #undef LIB_STANDARD
        !            96: #define LIB_STANDARD -lmc -lc
        !            97: #define C_DEBUG_SWITCH -20 -O -X23
        !            98: #endif

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