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Annotation of Net2/arch/hp300/dev/itereg.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1988 University of Utah.
        !             3:  * Copyright (c) 1990 The Regents of the University of California.
        !             4:  * All rights reserved.
        !             5:  *
        !             6:  * This code is derived from software contributed to Berkeley by
        !             7:  * the Systems Programming Group of the University of Utah Computer
        !             8:  * Science Department.
        !             9:  *
        !            10:  * Redistribution and use in source and binary forms, with or without
        !            11:  * modification, are permitted provided that the following conditions
        !            12:  * are met:
        !            13:  * 1. Redistributions of source code must retain the above copyright
        !            14:  *    notice, this list of conditions and the following disclaimer.
        !            15:  * 2. Redistributions in binary form must reproduce the above copyright
        !            16:  *    notice, this list of conditions and the following disclaimer in the
        !            17:  *    documentation and/or other materials provided with the distribution.
        !            18:  * 3. All advertising materials mentioning features or use of this software
        !            19:  *    must display the following acknowledgement:
        !            20:  *     This product includes software developed by the University of
        !            21:  *     California, Berkeley and its contributors.
        !            22:  * 4. Neither the name of the University nor the names of its contributors
        !            23:  *    may be used to endorse or promote products derived from this software
        !            24:  *    without specific prior written permission.
        !            25:  *
        !            26:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
        !            27:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
        !            28:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
        !            29:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
        !            30:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
        !            31:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
        !            32:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            33:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
        !            34:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
        !            35:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
        !            36:  * SUCH DAMAGE.
        !            37:  *
        !            38:  * from: Utah $Hdr: itereg.h 1.1 90/07/09$
        !            39:  *
        !            40:  *     @(#)itereg.h    7.2 (Berkeley) 11/4/90
        !            41:  */
        !            42: 
        !            43: #define REGADDR                ip->regbase
        !            44: #define FBBASE         ((volatile u_char *)ip->fbbase)
        !            45: #define        FONTROM         ((u_char *)(REGADDR+0x3B))
        !            46: #define ITEREGS                ((struct iteregs *)(REGADDR))
        !            47: 
        !            48: /*
        !            49:  * All of the HP displays use the same font ROM setup. These structures
        !            50:  * are used to get at them.
        !            51:  */
        !            52: 
        !            53: struct iteregs {
        !            54:        u_short reset;
        !            55:        u_short interrupt;
        !            56:        u_char  :8,
        !            57:                fbwidth_h,
        !            58:                :8,
        !            59:                fbwidth_l,
        !            60:                :8,
        !            61:                fbheight_h,
        !            62:                :8,
        !            63:                fbheight_l,
        !            64:                :8,
        !            65:                dispwidth_h,
        !            66:                :8,
        !            67:                dispwidth_l,
        !            68:                :8,
        !            69:                dispheight_h,
        !            70:                :8,
        !            71:                dispheight_l;
        !            72: };
        !            73: 
        !            74: struct fontinfo {
        !            75:        u_char  nfonts, :8,
        !            76:                fontid, :8,
        !            77:                haddr,  :8,
        !            78:                laddr,  :8;
        !            79: };
        !            80: 
        !            81: struct font {
        !            82:        u_char  fh,     :8,
        !            83:                fw;
        !            84:        u_char  pad[7],
        !            85:                data[256];
        !            86: };
        !            87: 
        !            88: #define draw_cursor(ip) { \
        !            89:        WINDOWMOVER(ip, ip->cblanky, ip->cblankx, \
        !            90:                    ip->cury * ip->ftheight, \
        !            91:                    ip->curx * ip->ftwidth, \
        !            92:                    ip->ftheight, ip->ftwidth, RR_XOR); \
        !            93:         ip->cursorx = ip->curx; \
        !            94:        ip->cursory = ip->cury; }
        !            95: 
        !            96: #define erase_cursor(ip) \
        !            97:        WINDOWMOVER(ip, ip->cblanky, ip->cblankx, \
        !            98:                    ip->cursory * ip->ftheight, \
        !            99:                    ip->cursorx * ip->ftwidth, \
        !           100:                    ip->ftheight, ip->ftwidth, RR_XOR);

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