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/* $OpenBSD: ite_gb.c,v 1.5 2006/08/17 06:31:10 miod Exp $ */
/* $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. 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
*/
#ifdef ITECONSOLE
#include <sys/param.h>
#include "samachdep.h"
#include "itevar.h"
#include "itereg.h"
#include "grf_gbreg.h"
#define REGBASE ((struct gboxfb *)(ip->regbase))
void gbox_windowmove(struct ite_data *, int, int, int, int,
int, int, int);
void
gbox_init(struct ite_data *ip)
{
ip->bmv = gbox_windowmove;
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_fontinit8bpp(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_scroll(struct ite_data *ip)
{
tile_mover_waitbusy(ip->regbase);
REGBASE->write_protect = 0x0;
ite_dio_scroll(ip);
}
void
gbox_windowmove(struct ite_data *ip, int sy, int sx, int dy, int dx, int h,
int w, int mask)
{
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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