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Annotation of Gnu-Mach/i386/i386at/cram.h, revision 1.1

1.1     ! root        1: /* 
        !             2:  * Mach Operating System
        !             3:  * Copyright (c) 1991,1990,1989 Carnegie Mellon University
        !             4:  * All Rights Reserved.
        !             5:  * 
        !             6:  * Permission to use, copy, modify and distribute this software and its
        !             7:  * documentation is hereby granted, provided that both the copyright
        !             8:  * notice and this permission notice appear in all copies of the
        !             9:  * software, derivative works or modified versions, and any portions
        !            10:  * thereof, and that both notices appear in supporting documentation.
        !            11:  * 
        !            12:  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
        !            13:  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
        !            14:  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
        !            15:  * 
        !            16:  * Carnegie Mellon requests users of this software to return to
        !            17:  * 
        !            18:  *  Software Distribution Coordinator  or  [email protected]
        !            19:  *  School of Computer Science
        !            20:  *  Carnegie Mellon University
        !            21:  *  Pittsburgh PA 15213-3890
        !            22:  * 
        !            23:  * any improvements or extensions that they make and grant Carnegie Mellon
        !            24:  * the rights to redistribute these changes.
        !            25:  */
        !            26: /*
        !            27:  * cram.h
        !            28:  */
        !            29: 
        !            30: /*
        !            31:   Copyright 1988, 1989 by Olivetti Advanced Technology Center, Inc.,
        !            32: Cupertino, California.
        !            33: 
        !            34:                All Rights Reserved
        !            35: 
        !            36:   Permission to use, copy, modify, and distribute this software and
        !            37: its documentation for any purpose and without fee is hereby
        !            38: granted, provided that the above copyright notice appears in all
        !            39: copies and that both the copyright notice and this permission notice
        !            40: appear in supporting documentation, and that the name of Olivetti
        !            41: not be used in advertising or publicity pertaining to distribution
        !            42: of the software without specific, written prior permission.
        !            43: 
        !            44:   OLIVETTI DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE
        !            45: INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS,
        !            46: IN NO EVENT SHALL OLIVETTI BE LIABLE FOR ANY SPECIAL, INDIRECT, OR
        !            47: CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
        !            48: LOSS OF USE, DATA OR PROFITS, WHETHER IN ACTION OF CONTRACT,
        !            49: NEGLIGENCE, OR OTHER TORTIOUS ACTION, ARISING OUR OF OR IN CONNECTION
        !            50: WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
        !            51: */
        !            52: 
        !            53: /* 
        !            54:  * outb(CMOS_ADDR, addr);
        !            55:  * result = inb(CMOS_DATA);
        !            56:  * 
        !            57:  * where "addr" tells what value you want to read (some are listed 
        !            58:  * below).  Interrupts should be disabled while you do this.
        !            59:  */
        !            60: 
        !            61: /* I/O ports */
        !            62: 
        !            63: #define CMOS_ADDR      0x70            /* port for CMOS ram address */
        !            64: #define CMOS_DATA      0x71            /* port for CMOS ram data */
        !            65: 
        !            66: 
        !            67: /* Addresses, related masks, and potential results */
        !            68: 
        !            69: #define CMOS_EB                0x14            /* read Equipment Byte */
        !            70: #define CM_SCRMSK      0x30            /* mask for EB query to get screen */
        !            71: #define CM_EGA_VGA     0x00            /* "not CGA or MONO" */
        !            72: #define CM_CGA_40      0x10
        !            73: #define CM_CGA_80      0x20
        !            74: #define CM_MONO_80     0x30
        !            75: 

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