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Annotation of Net2/arch/hp300/stand/ite_rb.c, 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 $Hdr: ite_rb.c 1.5 89/02/20$
        !            39:  *
        !            40:  *     @(#)ite_rb.c    7.2 (Berkeley) 12/16/90
        !            41:  */
        !            42: 
        !            43: #include "samachdep.h"
        !            44: 
        !            45: #ifdef ITECONSOLE
        !            46: 
        !            47: #include "sys/param.h"
        !            48: #include "../dev/itevar.h"
        !            49: #include "../dev/itereg.h"
        !            50: #include "../dev/grfvar.h"
        !            51: #include "../dev/grf_rbreg.h"
        !            52: 
        !            53: #define REGBASE                ((struct rboxfb *)(ip->regbase))
        !            54: #define WINDOWMOVER    rbox_windowmove
        !            55: 
        !            56: rbox_init(ip)
        !            57:        struct ite_softc *ip;
        !            58: {
        !            59:        int i;
        !            60:        
        !            61:        rb_waitbusy(REGADDR);
        !            62:        DELAY(3000);
        !            63: 
        !            64:        REGBASE->interrupt = 0x04;
        !            65:        REGBASE->display_enable = 0x01;
        !            66:        REGBASE->video_enable = 0x01;
        !            67:        REGBASE->drive = 0x01;
        !            68:        REGBASE->vdrive = 0x0;
        !            69: 
        !            70:        ite_devinfo(ip);
        !            71:        
        !            72:        REGBASE->opwen = 0xFF;
        !            73: 
        !            74:        /*
        !            75:         * Clear the framebuffer.
        !            76:         */
        !            77:        rbox_windowmove(ip, 0, 0, 0, 0, ip->fbheight, ip->fbwidth, RR_CLEAR);
        !            78:        rb_waitbusy(REGADDR);
        !            79:        
        !            80:        for(i = 0; i < 16; i++) {
        !            81:                *(REGADDR + 0x63c3 + i*4) = 0x0;
        !            82:                *(REGADDR + 0x6403 + i*4) = 0x0;
        !            83:                *(REGADDR + 0x6803 + i*4) = 0x0;
        !            84:                *(REGADDR + 0x6c03 + i*4) = 0x0;
        !            85:                *(REGADDR + 0x73c3 + i*4) = 0x0;
        !            86:                *(REGADDR + 0x7403 + i*4) = 0x0;
        !            87:                *(REGADDR + 0x7803 + i*4) = 0x0;
        !            88:                *(REGADDR + 0x7c03 + i*4) = 0x0;
        !            89:        }
        !            90: 
        !            91:        REGBASE->rep_rule = 0x33;
        !            92:        
        !            93:        /*
        !            94:         * I cannot figure out how to make the blink planes stop. So, we
        !            95:         * must set both colormaps so that when the planes blink, and
        !            96:         * the secondary colormap is active, we still get text.
        !            97:         */
        !            98:        CM1RED[0x00].value = 0x00;
        !            99:        CM1GRN[0x00].value = 0x00;
        !           100:        CM1BLU[0x00].value = 0x00;
        !           101:        CM1RED[0x01].value = 0xFF;
        !           102:        CM1GRN[0x01].value = 0xFF;
        !           103:        CM1BLU[0x01].value = 0xFF;
        !           104: 
        !           105:        CM2RED[0x00].value = 0x00;
        !           106:        CM2GRN[0x00].value = 0x00;
        !           107:        CM2BLU[0x00].value = 0x00;
        !           108:        CM2RED[0x01].value = 0xFF;
        !           109:        CM2GRN[0x01].value = 0xFF;
        !           110:        CM2BLU[0x01].value = 0xFF;
        !           111: 
        !           112:        REGBASE->blink = 0x00;
        !           113:        REGBASE->write_enable = 0x01;
        !           114:        REGBASE->opwen = 0x00;
        !           115:        
        !           116:        ite_fontinit(ip);
        !           117: 
        !           118:        /*
        !           119:         * Stash the inverted cursor.
        !           120:         */
        !           121:        rbox_windowmove(ip, charY(ip, ' '), charX(ip, ' '),
        !           122:                            ip->cblanky, ip->cblankx, ip->ftheight,
        !           123:                            ip->ftwidth, RR_COPYINVERTED);
        !           124: }
        !           125: 
        !           126: rbox_putc(ip, c, dy, dx, mode)
        !           127:        register struct ite_softc *ip;
        !           128:         register int dy, dx;
        !           129:        int c, mode;
        !           130: {
        !           131:        rbox_windowmove(ip, charY(ip, c), charX(ip, c),
        !           132:                        dy * ip->ftheight, dx * ip->ftwidth,
        !           133:                        ip->ftheight, ip->ftwidth, RR_COPY);
        !           134: }
        !           135: 
        !           136: rbox_cursor(ip, flag)
        !           137:        register struct ite_softc *ip;
        !           138:         register int flag;
        !           139: {
        !           140:        if (flag == DRAW_CURSOR)
        !           141:                draw_cursor(ip)
        !           142:        else if (flag == MOVE_CURSOR) {
        !           143:                erase_cursor(ip)
        !           144:                draw_cursor(ip)
        !           145:        }
        !           146:        else
        !           147:                erase_cursor(ip)
        !           148: }
        !           149: 
        !           150: rbox_clear(ip, sy, sx, h, w)
        !           151:        struct ite_softc *ip;
        !           152:        register int sy, sx, h, w;
        !           153: {
        !           154:        rbox_windowmove(ip, sy * ip->ftheight, sx * ip->ftwidth,
        !           155:                        sy * ip->ftheight, sx * ip->ftwidth, 
        !           156:                        h  * ip->ftheight, w  * ip->ftwidth,
        !           157:                        RR_CLEAR);
        !           158: }
        !           159: 
        !           160: rbox_scroll(ip, sy, sx, count, dir)
        !           161:         register struct ite_softc *ip;
        !           162:         register int sy, count;
        !           163:         int dir, sx;
        !           164: {
        !           165:        register int dy = sy - count;
        !           166:        register int height = ip->rows - sy;
        !           167: 
        !           168:        rbox_cursor(ip, ERASE_CURSOR);
        !           169: 
        !           170:        rbox_windowmove(ip, sy * ip->ftheight, sx * ip->ftwidth,
        !           171:                        dy * ip->ftheight, sx * ip->ftwidth,
        !           172:                        height * ip->ftheight,
        !           173:                        ip->cols * ip->ftwidth, RR_COPY);
        !           174: }
        !           175: 
        !           176: rbox_windowmove(ip, sy, sx, dy, dx, h, w, func)
        !           177:        struct ite_softc *ip;
        !           178:        int sy, sx, dy, dx, h, w, func;
        !           179: {
        !           180:        register struct rboxfb *rp = REGBASE;
        !           181:        if (h == 0 || w == 0)
        !           182:                return;
        !           183:        
        !           184:        rb_waitbusy(REGADDR);
        !           185:        rp->rep_rule = func << 4 | func;
        !           186:        rp->source_y = sy;
        !           187:        rp->source_x = sx;
        !           188:        rp->dest_y = dy;
        !           189:        rp->dest_x = dx;
        !           190:        rp->wheight = h;
        !           191:        rp->wwidth  = w;
        !           192:        rp->wmove = 1;
        !           193: }
        !           194: #endif

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