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

1.1     ! root        1: #ifndef lint
        !             2: static char *rcsid_apa16_c = "$Header: apa16.c,v 10.1 86/11/19 10:39:18 jg Exp $";
        !             3: #endif lint
        !             4: /* apa16.c - APA16 controller initialization
        !             5:  *
        !             6:  *     apa16_init      APA16 initialization routine
        !             7:  *
        !             8:  *     Author:
        !             9:  *             Scott Bates
        !            10:  *             Brown University
        !            11:  *             IRIS, Box 1946
        !            12:  *             Providence, RI 02912
        !            13:  *
        !            14:  *
        !            15:  *             Copyright (c) 1986 Brown University
        !            16:  *
        !            17:  * Permission to use, copy, modify and distribute this software and its
        !            18:  * documentation for any purpose and without fee is hereby granted, provided
        !            19:  * that the above copyright notice appear in all copies, and that both
        !            20:  * that copyright notice and this permission notice appear in supporting
        !            21:  * documentation, and that the name of Brown University not be used in
        !            22:  * advertising or publicity pertaining to distribution of the software
        !            23:  * without specific, written prior permission. Brown University makes no
        !            24:  * representations about the suitability of this software for any purpose.
        !            25:  * It is provided "as-is" without express or implied warranty.
        !            26:  */
        !            27: 
        !            28: #include "private.h"
        !            29: #include "bitblt.h"
        !            30: #include "apa16.h"
        !            31: 
        !            32: /*
        !            33:  * Initialize APA16
        !            34:  */
        !            35: 
        !            36: apa16_init()
        !            37: {
        !            38: 
        !            39: #ifdef TRACE_X
        !            40:         fprintf (stderr, "In apa16_init\n");
        !            41:         fflush (stderr);
        !            42: #endif TRACE_X
        !            43: 
        !            44:         /*
        !            45:          * Initialize (reset) the APA16 screen
        !            46:          */
        !            47: 
        !            48:         RESET_APA16();
        !            49:         *(short *)MR = MR_DEFAULT;
        !            50:         *(short *)CSR = WHITE_ON_BLACK;
        !            51:         ENABLE_VD_OUT();
        !            52:  
        !            53:         /*
        !            54:          * Test for the APA16 screen.
        !            55:          */
        !            56: 
        !            57:         *(char *)SCREEN_BASE = 0x0F;
        !            58:         if (*(char *)SCREEN_BASE != 0x0F) {
        !            59:                /*
        !            60:                 * Log error and exit
        !            61:                 */
        !            62: 
        !            63:                 DeviceError("apa16 not found !!");
        !            64:                exit(2);
        !            65:         }
        !            66: }

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