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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 $Hdr: ite_gb.c 1.8 89/02/23$
39: *
1.1.1.2 ! root 40: * from: @(#)ite_gb.c 7.2 (Berkeley) 12/16/90
! 41: * ite_gb.c,v 1.2 1993/05/22 07:59:05 cgd Exp
1.1 root 42: */
43:
44: #include "samachdep.h"
45:
46: #ifdef ITECONSOLE
47:
48: #include "sys/param.h"
49:
50: #include "../dev/itevar.h"
51: #include "../dev/itereg.h"
52: #include "../dev/grfvar.h"
53: #include "../dev/grf_gbreg.h"
54:
55: #define REGBASE ((struct gboxfb *)(ip->regbase))
56: #define WINDOWMOVER gatorbox_windowmove
57:
58: gatorbox_init(ip)
59: register struct ite_softc *ip;
60: {
61: REGBASE->write_protect = 0x0;
62: REGBASE->interrupt = 0x4;
63: REGBASE->rep_rule = RR_COPY;
64: REGBASE->blink1 = 0xff;
65: REGBASE->blink2 = 0xff;
66: REGBASE->sec_interrupt = 0x01;
67:
68: /*
69: * Set up the color map entries. We use three entries in the
70: * color map. The first, is for black, the second is for
71: * white, and the very last entry is for the inverted cursor.
72: */
73: REGBASE->creg_select = 0x00;
74: REGBASE->cmap_red = 0x00;
75: REGBASE->cmap_grn = 0x00;
76: REGBASE->cmap_blu = 0x00;
77: REGBASE->cmap_write = 0x00;
78: gbcm_waitbusy(REGADDR);
79:
80: REGBASE->creg_select = 0x01;
81: REGBASE->cmap_red = 0xFF;
82: REGBASE->cmap_grn = 0xFF;
83: REGBASE->cmap_blu = 0xFF;
84: REGBASE->cmap_write = 0x01;
85: gbcm_waitbusy(REGADDR);
86:
87: REGBASE->creg_select = 0xFF;
88: REGBASE->cmap_red = 0xFF;
89: REGBASE->cmap_grn = 0xFF;
90: REGBASE->cmap_blu = 0xFF;
91: REGBASE->cmap_write = 0x01;
92: gbcm_waitbusy(REGADDR);
93:
94: ite_devinfo(ip);
95: ite_fontinit(ip);
96:
97: /*
98: * Clear the display. This used to be before the font unpacking
99: * but it crashes. Figure it out later.
100: */
101: gatorbox_windowmove(ip, 0, 0, 0, 0, ip->dheight, ip->dwidth, RR_CLEAR);
102: tile_mover_waitbusy(REGADDR);
103:
104: /*
105: * Stash the inverted cursor.
106: */
107: gatorbox_windowmove(ip, charY(ip, ' '), charX(ip, ' '),
108: ip->cblanky, ip->cblankx, ip->ftheight,
109: ip->ftwidth, RR_COPYINVERTED);
110: }
111:
112: gatorbox_putc(ip, c, dy, dx, mode)
113: register struct ite_softc *ip;
114: register int dy, dx;
115: int c, mode;
116: {
117: gatorbox_windowmove(ip, charY(ip, c), charX(ip, c),
118: dy * ip->ftheight, dx * ip->ftwidth,
119: ip->ftheight, ip->ftwidth, RR_COPY);
120: }
121:
122: gatorbox_cursor(ip, flag)
123: register struct ite_softc *ip;
124: register int flag;
125: {
126: if (flag == DRAW_CURSOR)
127: draw_cursor(ip)
128: else if (flag == MOVE_CURSOR) {
129: erase_cursor(ip)
130: draw_cursor(ip)
131: }
132: else
133: erase_cursor(ip)
134: }
135:
136: gatorbox_clear(ip, sy, sx, h, w)
137: struct ite_softc *ip;
138: register int sy, sx, h, w;
139: {
140: gatorbox_windowmove(ip, sy * ip->ftheight, sx * ip->ftwidth,
141: sy * ip->ftheight, sx * ip->ftwidth,
142: h * ip->ftheight, w * ip->ftwidth,
143: RR_CLEAR);
144: }
145:
146: #define gatorbox_blockmove(ip, sy, sx, dy, dx, h, w) \
147: gatorbox_windowmove((ip), \
148: (sy) * ip->ftheight, \
149: (sx) * ip->ftwidth, \
150: (dy) * ip->ftheight, \
151: (dx) * ip->ftwidth, \
152: (h) * ip->ftheight, \
153: (w) * ip->ftwidth, \
154: RR_COPY)
155:
156: gatorbox_scroll(ip, sy, sx, count, dir)
157: register struct ite_softc *ip;
158: register int sy;
159: int dir, sx, count;
160: {
161: register int height, dy, i;
162:
163: tile_mover_waitbusy(REGADDR);
164: REGBASE->write_protect = 0x0;
165:
166: gatorbox_cursor(ip, ERASE_CURSOR);
167:
168: dy = sy - count;
169: height = ip->rows - sy;
170: for (i = 0; i < height; i++)
171: gatorbox_blockmove(ip, sy + i, sx, dy + i, 0, 1, ip->cols);
172: }
173:
174: gatorbox_windowmove(ip, sy, sx, dy, dx, h, w, mask)
175: register struct ite_softc *ip;
176: int sy, sx, dy, dx, mask;
177: register int h, w;
178: {
179: register int src, dest;
180:
181: src = (sy * 1024) + sx; /* upper left corner in pixels */
182: dest = (dy * 1024) + dx;
183:
184: tile_mover_waitbusy(REGADDR);
185: REGBASE->width = -(w / 4);
186: REGBASE->height = -(h / 4);
187: if (src < dest)
188: REGBASE->rep_rule = MOVE_DOWN_RIGHT|mask;
189: else {
190: REGBASE->rep_rule = MOVE_UP_LEFT|mask;
191: /*
192: * Adjust to top of lower right tile of the block.
193: */
194: src = src + ((h - 4) * 1024) + (w - 4);
195: dest= dest + ((h - 4) * 1024) + (w - 4);
196: }
197: FBBASE[dest] = FBBASE[src];
198: }
199: #endif
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