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a8fd2d0d KM |
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 | * | |
af359dea C |
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. | |
a8fd2d0d KM |
37 | * |
38 | * from: Utah $Hdr: ite_gb.c 1.8 89/02/23$ | |
39 | * | |
af359dea | 40 | * @(#)ite_gb.c 7.2 (Berkeley) 12/16/90 |
a8fd2d0d KM |
41 | */ |
42 | ||
43 | #include "samachdep.h" | |
44 | ||
45 | #ifdef ITECONSOLE | |
46 | ||
b28b3a13 | 47 | #include "sys/param.h" |
a8fd2d0d | 48 | |
b28b3a13 KB |
49 | #include "../dev/itevar.h" |
50 | #include "../dev/itereg.h" | |
51 | #include "../dev/grfvar.h" | |
52 | #include "../dev/grf_gbreg.h" | |
a8fd2d0d KM |
53 | |
54 | #define REGBASE ((struct gboxfb *)(ip->regbase)) | |
55 | #define WINDOWMOVER gatorbox_windowmove | |
56 | ||
57 | gatorbox_init(ip) | |
58 | register struct ite_softc *ip; | |
59 | { | |
60 | REGBASE->write_protect = 0x0; | |
61 | REGBASE->interrupt = 0x4; | |
62 | REGBASE->rep_rule = RR_COPY; | |
63 | REGBASE->blink1 = 0xff; | |
64 | REGBASE->blink2 = 0xff; | |
65 | REGBASE->sec_interrupt = 0x01; | |
66 | ||
67 | /* | |
68 | * Set up the color map entries. We use three entries in the | |
69 | * color map. The first, is for black, the second is for | |
70 | * white, and the very last entry is for the inverted cursor. | |
71 | */ | |
72 | REGBASE->creg_select = 0x00; | |
73 | REGBASE->cmap_red = 0x00; | |
74 | REGBASE->cmap_grn = 0x00; | |
75 | REGBASE->cmap_blu = 0x00; | |
76 | REGBASE->cmap_write = 0x00; | |
77 | gbcm_waitbusy(REGADDR); | |
78 | ||
79 | REGBASE->creg_select = 0x01; | |
80 | REGBASE->cmap_red = 0xFF; | |
81 | REGBASE->cmap_grn = 0xFF; | |
82 | REGBASE->cmap_blu = 0xFF; | |
83 | REGBASE->cmap_write = 0x01; | |
84 | gbcm_waitbusy(REGADDR); | |
85 | ||
86 | REGBASE->creg_select = 0xFF; | |
87 | REGBASE->cmap_red = 0xFF; | |
88 | REGBASE->cmap_grn = 0xFF; | |
89 | REGBASE->cmap_blu = 0xFF; | |
90 | REGBASE->cmap_write = 0x01; | |
91 | gbcm_waitbusy(REGADDR); | |
92 | ||
93 | ite_devinfo(ip); | |
94 | ite_fontinit(ip); | |
95 | ||
96 | /* | |
97 | * Clear the display. This used to be before the font unpacking | |
98 | * but it crashes. Figure it out later. | |
99 | */ | |
100 | gatorbox_windowmove(ip, 0, 0, 0, 0, ip->dheight, ip->dwidth, RR_CLEAR); | |
101 | tile_mover_waitbusy(REGADDR); | |
102 | ||
103 | /* | |
104 | * Stash the inverted cursor. | |
105 | */ | |
106 | gatorbox_windowmove(ip, charY(ip, ' '), charX(ip, ' '), | |
107 | ip->cblanky, ip->cblankx, ip->ftheight, | |
108 | ip->ftwidth, RR_COPYINVERTED); | |
109 | } | |
110 | ||
111 | gatorbox_putc(ip, c, dy, dx, mode) | |
112 | register struct ite_softc *ip; | |
113 | register int dy, dx; | |
114 | int c, mode; | |
115 | { | |
116 | gatorbox_windowmove(ip, charY(ip, c), charX(ip, c), | |
117 | dy * ip->ftheight, dx * ip->ftwidth, | |
118 | ip->ftheight, ip->ftwidth, RR_COPY); | |
119 | } | |
120 | ||
121 | gatorbox_cursor(ip, flag) | |
122 | register struct ite_softc *ip; | |
123 | register int flag; | |
124 | { | |
125 | if (flag == DRAW_CURSOR) | |
126 | draw_cursor(ip) | |
127 | else if (flag == MOVE_CURSOR) { | |
128 | erase_cursor(ip) | |
129 | draw_cursor(ip) | |
130 | } | |
131 | else | |
132 | erase_cursor(ip) | |
133 | } | |
134 | ||
135 | gatorbox_clear(ip, sy, sx, h, w) | |
136 | struct ite_softc *ip; | |
137 | register int sy, sx, h, w; | |
138 | { | |
139 | gatorbox_windowmove(ip, sy * ip->ftheight, sx * ip->ftwidth, | |
140 | sy * ip->ftheight, sx * ip->ftwidth, | |
141 | h * ip->ftheight, w * ip->ftwidth, | |
142 | RR_CLEAR); | |
143 | } | |
144 | ||
145 | #define gatorbox_blockmove(ip, sy, sx, dy, dx, h, w) \ | |
146 | gatorbox_windowmove((ip), \ | |
147 | (sy) * ip->ftheight, \ | |
148 | (sx) * ip->ftwidth, \ | |
149 | (dy) * ip->ftheight, \ | |
150 | (dx) * ip->ftwidth, \ | |
151 | (h) * ip->ftheight, \ | |
152 | (w) * ip->ftwidth, \ | |
153 | RR_COPY) | |
154 | ||
155 | gatorbox_scroll(ip, sy, sx, count, dir) | |
156 | register struct ite_softc *ip; | |
157 | register int sy; | |
158 | int dir, sx, count; | |
159 | { | |
160 | register int height, dy, i; | |
161 | ||
162 | tile_mover_waitbusy(REGADDR); | |
163 | REGBASE->write_protect = 0x0; | |
164 | ||
165 | gatorbox_cursor(ip, ERASE_CURSOR); | |
166 | ||
167 | dy = sy - count; | |
168 | height = ip->rows - sy; | |
169 | for (i = 0; i < height; i++) | |
170 | gatorbox_blockmove(ip, sy + i, sx, dy + i, 0, 1, ip->cols); | |
171 | } | |
172 | ||
173 | gatorbox_windowmove(ip, sy, sx, dy, dx, h, w, mask) | |
174 | register struct ite_softc *ip; | |
175 | int sy, sx, dy, dx, mask; | |
176 | register int h, w; | |
177 | { | |
178 | register int src, dest; | |
179 | ||
180 | src = (sy * 1024) + sx; /* upper left corner in pixels */ | |
181 | dest = (dy * 1024) + dx; | |
182 | ||
183 | tile_mover_waitbusy(REGADDR); | |
184 | REGBASE->width = -(w / 4); | |
185 | REGBASE->height = -(h / 4); | |
186 | if (src < dest) | |
187 | REGBASE->rep_rule = MOVE_DOWN_RIGHT|mask; | |
188 | else { | |
189 | REGBASE->rep_rule = MOVE_UP_LEFT|mask; | |
190 | /* | |
191 | * Adjust to top of lower right tile of the block. | |
192 | */ | |
193 | src = src + ((h - 4) * 1024) + (w - 4); | |
194 | dest= dest + ((h - 4) * 1024) + (w - 4); | |
195 | } | |
196 | FBBASE[dest] = FBBASE[src]; | |
197 | } | |
198 | #endif |