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/* $NetBSD: ite_gb.c,v 1.8 1996/03/03 04:23:36 thorpej Exp $ */
/*
* Copyright (c) 1988 University of Utah.
* Copyright (c) 1990, 1993
* 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 $Hdr: ite_gb.c 1.9 92/01/20$
*
* @(#)ite_gb.c 8.1 (Berkeley) 6/10/93
*/
#include <hp300/stand/samachdep.h>
#ifdef ITECONSOLE
#include <sys/param.h>
#include <hp300/stand/itevar.h>
#include <hp300/dev/itereg.h>
#include <hp300/dev/grf_gbreg.h>
#define REGBASE ((struct gboxfb *)(ip->regbase))
#define WINDOWMOVER gbox_windowmove
void gbox_windowmove __P((struct ite_data *, int, int, int, int,
int, int, int));
void
gbox_init(ip)
register struct ite_data *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(ip->regbase);
REGBASE->creg_select = 0x01;
REGBASE->cmap_red = 0xFF;
REGBASE->cmap_grn = 0xFF;
REGBASE->cmap_blu = 0xFF;
REGBASE->cmap_write = 0x01;
gbcm_waitbusy(ip->regbase);
REGBASE->creg_select = 0xFF;
REGBASE->cmap_red = 0xFF;
REGBASE->cmap_grn = 0xFF;
REGBASE->cmap_blu = 0xFF;
REGBASE->cmap_write = 0x01;
gbcm_waitbusy(ip->regbase);
ite_fontinfo(ip);
ite_fontinit(ip);
/*
* Clear the display. This used to be before the font unpacking
* but it crashes. Figure it out later.
*/
gbox_windowmove(ip, 0, 0, 0, 0, ip->dheight, ip->dwidth, RR_CLEAR);
tile_mover_waitbusy(ip->regbase);
/*
* Stash the inverted cursor.
*/
gbox_windowmove(ip, charY(ip, ' '), charX(ip, ' '),
ip->cblanky, ip->cblankx, ip->ftheight,
ip->ftwidth, RR_COPYINVERTED);
}
void
gbox_putc(ip, c, dy, dx, mode)
register struct ite_data *ip;
register int dy, dx;
int c, mode;
{
gbox_windowmove(ip, charY(ip, c), charX(ip, c),
dy * ip->ftheight, dx * ip->ftwidth,
ip->ftheight, ip->ftwidth, RR_COPY);
}
void
gbox_cursor(ip, flag)
register struct ite_data *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)
}
void
gbox_clear(ip, sy, sx, h, w)
struct ite_data *ip;
register int sy, sx, h, w;
{
gbox_windowmove(ip, sy * ip->ftheight, sx * ip->ftwidth,
sy * ip->ftheight, sx * ip->ftwidth,
h * ip->ftheight, w * ip->ftwidth,
RR_CLEAR);
}
#define gbox_blockmove(ip, sy, sx, dy, dx, h, w) \
gbox_windowmove((ip), \
(sy) * ip->ftheight, \
(sx) * ip->ftwidth, \
(dy) * ip->ftheight, \
(dx) * ip->ftwidth, \
(h) * ip->ftheight, \
(w) * ip->ftwidth, \
RR_COPY)
void
gbox_scroll(ip, sy, sx, count, dir)
register struct ite_data *ip;
register int sy;
int dir, sx, count;
{
register int height, dy, i;
tile_mover_waitbusy(ip->regbase);
REGBASE->write_protect = 0x0;
gbox_cursor(ip, ERASE_CURSOR);
dy = sy - count;
height = ip->rows - sy;
for (i = 0; i < height; i++)
gbox_blockmove(ip, sy + i, sx, dy + i, 0, 1, ip->cols);
}
void
gbox_windowmove(ip, sy, sx, dy, dx, h, w, mask)
register struct ite_data *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(ip->regbase);
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
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