Annotation of 43BSDReno/sys/hpstand/ite_tc.c, revision 1.1.1.1

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 is only permitted until one year after the first shipment
                     11:  * of 4.4BSD by the Regents.  Otherwise, redistribution and use in source and
                     12:  * binary forms are permitted provided that: (1) source distributions retain
                     13:  * this entire copyright notice and comment, and (2) distributions including
                     14:  * binaries display the following acknowledgement:  This product includes
                     15:  * software developed by the University of California, Berkeley and its
                     16:  * contributors'' in the documentation or other materials provided with the
                     17:  * distribution and in all advertising materials mentioning features or use
                     18:  * of this software.  Neither the name of the University nor the names of
                     19:  * its contributors may be used to endorse or promote products derived from
                     20:  * this software without specific prior written permission.
                     21:  * THIS SOFTWARE IS PROVIDED AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
                     22:  * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
                     23:  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
                     24:  *
                     25:  * from: Utah $Hdr: ite_tc.c 1.9 89/02/20$
                     26:  *
                     27:  *     @(#)ite_tc.c    7.1 (Berkeley) 5/8/90
                     28:  */
                     29: 
                     30: #include "samachdep.h"
                     31: 
                     32: #ifdef ITECONSOLE
                     33: 
                     34: #include "param.h"
                     35: #include "../hpdev/itevar.h"
                     36: #include "../hpdev/itereg.h"
                     37: #include "../hpdev/grfvar.h"
                     38: #include "../hpdev/grf_tcreg.h"
                     39: 
                     40: #define REGBASE                ((struct tcboxfb *)(ip->regbase))
                     41: #define WINDOWMOVER    topcat_windowmove
                     42: 
                     43: topcat_init(ip)
                     44:        register struct ite_softc *ip;
                     45: {
                     46: 
                     47:        /*
                     48:         * Determine the number of planes by writing to the first frame
                     49:         * buffer display location, then reading it back. 
                     50:         */
                     51:        REGBASE->wen = ~0;
                     52:        REGBASE->fben = ~0;
                     53:        REGBASE->prr = RR_COPY;
                     54:        *FBBASE = 0xFF;
                     55:        ip->planemask = *FBBASE;
                     56: 
                     57:        /*
                     58:         * Enable reading/writing of all the planes.
                     59:         */
                     60:        REGBASE->fben = ip->planemask;
                     61:        REGBASE->wen  = ip->planemask;
                     62:        REGBASE->ren  = ip->planemask;
                     63:        REGBASE->prr  = RR_COPY;
                     64: 
                     65:        ite_devinfo(ip);
                     66: 
                     67:        /*
                     68:         * Clear the framebuffer on all planes.
                     69:         */
                     70:        topcat_windowmove(ip, 0, 0, 0, 0, ip->fbheight, ip->fbwidth, RR_CLEAR);
                     71:        tc_waitbusy(REGADDR, ip->planemask);
                     72: 
                     73:        ite_fontinit(ip);
                     74: 
                     75:        /*
                     76:         * Stash the inverted cursor.
                     77:         */
                     78:        topcat_windowmove(ip, charY(ip, ' '), charX(ip, ' '),
                     79:                          ip->cblanky, ip->cblankx, ip->ftheight,
                     80:                          ip->ftwidth, RR_COPYINVERTED);
                     81: }
                     82: 
                     83: topcat_putc(ip, c, dy, dx, mode)
                     84:        register struct ite_softc *ip;
                     85:         register int dy, dx;
                     86:        int c, mode;
                     87: {
                     88:        topcat_windowmove(ip, charY(ip, c), charX(ip, c),
                     89:                          dy * ip->ftheight, dx * ip->ftwidth,
                     90:                          ip->ftheight, ip->ftwidth, RR_COPY);
                     91: }
                     92: 
                     93: topcat_cursor(ip, flag)
                     94:        register struct ite_softc *ip;
                     95:         register int flag;
                     96: {
                     97:        if (flag == DRAW_CURSOR)
                     98:                draw_cursor(ip)
                     99:        else if (flag == MOVE_CURSOR) {
                    100:                erase_cursor(ip)
                    101:                draw_cursor(ip)
                    102:        }
                    103:        else
                    104:                erase_cursor(ip)
                    105: }
                    106: 
                    107: topcat_clear(ip, sy, sx, h, w)
                    108:        struct ite_softc *ip;
                    109:        register int sy, sx, h, w;
                    110: {
                    111:        topcat_windowmove(ip, sy * ip->ftheight, sx * ip->ftwidth,
                    112:                          sy * ip->ftheight, sx * ip->ftwidth, 
                    113:                          h  * ip->ftheight, w  * ip->ftwidth,
                    114:                          RR_CLEAR);
                    115: }
                    116: 
                    117: topcat_scroll(ip, sy, sx, count, dir)
                    118:         register struct ite_softc *ip;
                    119:         register int sy, count;
                    120:         int dir, sx;
                    121: {
                    122:        register int dy = sy - count;
                    123:        register int height = ip->rows - sy;
                    124: 
                    125:        topcat_cursor(ip, ERASE_CURSOR);
                    126: 
                    127:        topcat_windowmove(ip, sy * ip->ftheight, sx * ip->ftwidth,
                    128:                          dy * ip->ftheight, sx * ip->ftwidth,
                    129:                          height * ip->ftheight,
                    130:                          ip->cols  * ip->ftwidth, RR_COPY);
                    131: }
                    132: 
                    133: topcat_windowmove(ip, sy, sx, dy, dx, h, w, func)
                    134:        struct ite_softc *ip;
                    135:        int sy, sx, dy, dx, h, w, func;
                    136: {
                    137:        register struct tcboxfb *rp = REGBASE;
                    138:        
                    139:        if (h == 0 || w == 0)
                    140:                return;
                    141:        tc_waitbusy(REGADDR, ip->planemask);
                    142:        rp->wmrr     = func;
                    143:        rp->source_y = sy;
                    144:        rp->source_x = sx;
                    145:        rp->dest_y   = dy;
                    146:        rp->dest_x   = dx;
                    147:        rp->wheight  = h;
                    148:        rp->wwidth   = w;
                    149:        rp->wmove    = ip->planemask;
                    150: }
                    151: #endif

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