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Annotation of 43BSDTahoe/new/X/libibm/libsrc/apa16.h, revision 1.1

1.1     ! root        1: /* $Header: apa16.h,v 10.1 86/11/19 10:45:01 jg Exp $ */
        !             2: /* apa16.h - Definitions and macros required to access APA16
        !             3:  *
        !             4:  *     Defines required to support APA16
        !             5:  *
        !             6:  *     Author:
        !             7:  *             Scott Bates
        !             8:  *             Brown University
        !             9:  *             IRIS, Box 1946
        !            10:  *             Providence, RI 02912
        !            11:  *
        !            12:  *
        !            13:  *             Copyright (c) 1986 Brown University
        !            14:  *
        !            15:  * Permission to use, copy, modify and distribute this software and its
        !            16:  * documentation for any purpose and without fee is hereby granted, provided
        !            17:  * that the above copyright notice appear in all copies, and that both
        !            18:  * that copyright notice and this permission notice appear in supporting
        !            19:  * documentation, and that the name of Brown University not be used in
        !            20:  * advertising or publicity pertaining to distribution of the software
        !            21:  * without specific, written prior permission. Brown University makes no
        !            22:  * representations about the suitability of this software for any purpose.
        !            23:  * It is provided "as-is" without express or implied warranty.
        !            24:  */
        !            25: 
        !            26: #define SCREEN_BASE (IO_ADDR | 0x4D80000)      /* frame buffer address */
        !            27: #define XDEV_ID          XDEV_IBMAPA16         /* device id for info structure */
        !            28: 
        !            29: #define X_SCREEN_WIDTH         1024            /* number of bits/line for apa16 */
        !            30: #define X_SCREEN_HEIGHT        768             /* number of lines on the screen */
        !            31: 
        !            32: #define REAL_SCREEN_WIDTH   X_SCREEN_WIDTH     /* actual screen width */
        !            33: #define REAL_SCREEN_HEIGHT  X_SCREEN_HEIGHT    /* actual screen height */
        !            34: 
        !            35: #define CURSOR_TYPE    HARD_CURSOR     /* apa16 uses hardware cursor */
        !            36: 
        !            37: #define DISPLAY_INIT() apa16_init()    /* display initialization routine */
        !            38: 
        !            39: #define SCREEN_DEVICE   "/dev/apa16"   /* device number */
        !            40: #define MOUSE_DEVICE   "/dev/msapa16"  /* device name of mouse for display */
        !            41: 
        !            42: /*
        !            43:  * base I/O address
        !            44:  */
        !            45: 
        !            46: #define IO_ADDR 0xF0000000
        !            47: 
        !            48: /*
        !            49:  * Mode register.
        !            50:  */
        !            51: 
        !            52: #define MR (IO_ADDR | 0x0D10)
        !            53: #define MR_DEFAULT      0x8090
        !            54: 
        !            55: /*
        !            56:  * Control/Status register.
        !            57:  */
        !            58: 
        !            59: #define CSR (IO_ADDR | 0x0D12)
        !            60: #define BACKGRND_BIT   0x0400
        !            61: #define BLACK_ON_WHITE (*(u_short *)(CSR) | BACKGRND_BIT)
        !            62: #define WHITE_ON_BLACK (*(u_short *)(CSR) & ~BACKGRND_BIT)
        !            63: #define TOGGLE_BACKGRND (*(u_short *)(CSR) ^ BACKGRND_BIT)
        !            64: 
        !            65: /*
        !            66:  * Video data output.
        !            67:  */
        !            68: 
        !            69: #define VD_OUT (IO_ADDR | 0x0D1A)
        !            70: 
        !            71: /*
        !            72:  * Enable video data output
        !            73:  */
        !            74: 
        !            75: #define ENABLE_VD_OUT()      *(u_short *)VD_OUT = 0
        !            76: 
        !            77: /*
        !            78:  * Reset adaptor register.
        !            79:  */
        !            80: 
        !            81: #define RA_R    (IO_ADDR | 0x0D20)
        !            82: #define RESET_APA16()        *(u_short *)RA_R = 0;

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