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- /*
- * Copyright (c) 1988 University of Utah.
- * Copyright (c) 1990 The Regents of the University of California.
- * All rights reserved.
- *
- * This code is derived from software contributed to Berkeley by
- * the Systems Programming Group of the University of Utah Computer
- * Science Department.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * from: Utah $Hdr: ite_gb.c 1.8 89/02/23$
- *
- * @(#)ite_gb.c 7.2 (Berkeley) 12/16/90
- */
-
- #include "samachdep.h"
-
- #ifdef ITECONSOLE
-
- #include "sys/param.h"
-
- #include "../dev/itevar.h"
- #include "../dev/itereg.h"
- #include "../dev/grfvar.h"
- #include "../dev/grf_gbreg.h"
-
- #define REGBASE ((struct gboxfb *)(ip->regbase))
- #define WINDOWMOVER gatorbox_windowmove
-
- gatorbox_init(ip)
- register struct ite_softc *ip;
- {
- REGBASE->write_protect = 0x0;
- REGBASE->interrupt = 0x4;
- REGBASE->rep_rule = RR_COPY;
- REGBASE->blink1 = 0xff;
- REGBASE->blink2 = 0xff;
- REGBASE->sec_interrupt = 0x01;
-
- /*
- * Set up the color map entries. We use three entries in the
- * color map. The first, is for black, the second is for
- * white, and the very last entry is for the inverted cursor.
- */
- REGBASE->creg_select = 0x00;
- REGBASE->cmap_red = 0x00;
- REGBASE->cmap_grn = 0x00;
- REGBASE->cmap_blu = 0x00;
- REGBASE->cmap_write = 0x00;
- gbcm_waitbusy(REGADDR);
-
- REGBASE->creg_select = 0x01;
- REGBASE->cmap_red = 0xFF;
- REGBASE->cmap_grn = 0xFF;
- REGBASE->cmap_blu = 0xFF;
- REGBASE->cmap_write = 0x01;
- gbcm_waitbusy(REGADDR);
-
- REGBASE->creg_select = 0xFF;
- REGBASE->cmap_red = 0xFF;
- REGBASE->cmap_grn = 0xFF;
- REGBASE->cmap_blu = 0xFF;
- REGBASE->cmap_write = 0x01;
- gbcm_waitbusy(REGADDR);
-
- ite_devinfo(ip);
- ite_fontinit(ip);
-
- /*
- * Clear the display. This used to be before the font unpacking
- * but it crashes. Figure it out later.
- */
- gatorbox_windowmove(ip, 0, 0, 0, 0, ip->dheight, ip->dwidth, RR_CLEAR);
- tile_mover_waitbusy(REGADDR);
-
- /*
- * Stash the inverted cursor.
- */
- gatorbox_windowmove(ip, charY(ip, ' '), charX(ip, ' '),
- ip->cblanky, ip->cblankx, ip->ftheight,
- ip->ftwidth, RR_COPYINVERTED);
- }
-
- gatorbox_putc(ip, c, dy, dx, mode)
- register struct ite_softc *ip;
- register int dy, dx;
- int c, mode;
- {
- gatorbox_windowmove(ip, charY(ip, c), charX(ip, c),
- dy * ip->ftheight, dx * ip->ftwidth,
- ip->ftheight, ip->ftwidth, RR_COPY);
- }
-
- gatorbox_cursor(ip, flag)
- register struct ite_softc *ip;
- register int flag;
- {
- if (flag == DRAW_CURSOR)
- draw_cursor(ip)
- else if (flag == MOVE_CURSOR) {
- erase_cursor(ip)
- draw_cursor(ip)
- }
- else
- erase_cursor(ip)
- }
-
- gatorbox_clear(ip, sy, sx, h, w)
- struct ite_softc *ip;
- register int sy, sx, h, w;
- {
- gatorbox_windowmove(ip, sy * ip->ftheight, sx * ip->ftwidth,
- sy * ip->ftheight, sx * ip->ftwidth,
- h * ip->ftheight, w * ip->ftwidth,
- RR_CLEAR);
- }
-
- #define gatorbox_blockmove(ip, sy, sx, dy, dx, h, w) \
- gatorbox_windowmove((ip), \
- (sy) * ip->ftheight, \
- (sx) * ip->ftwidth, \
- (dy) * ip->ftheight, \
- (dx) * ip->ftwidth, \
- (h) * ip->ftheight, \
- (w) * ip->ftwidth, \
- RR_COPY)
-
- gatorbox_scroll(ip, sy, sx, count, dir)
- register struct ite_softc *ip;
- register int sy;
- int dir, sx, count;
- {
- register int height, dy, i;
-
- tile_mover_waitbusy(REGADDR);
- REGBASE->write_protect = 0x0;
-
- gatorbox_cursor(ip, ERASE_CURSOR);
-
- dy = sy - count;
- height = ip->rows - sy;
- for (i = 0; i < height; i++)
- gatorbox_blockmove(ip, sy + i, sx, dy + i, 0, 1, ip->cols);
- }
-
- gatorbox_windowmove(ip, sy, sx, dy, dx, h, w, mask)
- register struct ite_softc *ip;
- int sy, sx, dy, dx, mask;
- register int h, w;
- {
- register int src, dest;
-
- src = (sy * 1024) + sx; /* upper left corner in pixels */
- dest = (dy * 1024) + dx;
-
- tile_mover_waitbusy(REGADDR);
- REGBASE->width = -(w / 4);
- REGBASE->height = -(h / 4);
- if (src < dest)
- REGBASE->rep_rule = MOVE_DOWN_RIGHT|mask;
- else {
- REGBASE->rep_rule = MOVE_UP_LEFT|mask;
- /*
- * Adjust to top of lower right tile of the block.
- */
- src = src + ((h - 4) * 1024) + (w - 4);
- dest= dest + ((h - 4) * 1024) + (w - 4);
- }
- FBBASE[dest] = FBBASE[src];
- }
- #endif
-