ite_tc.c revision 1.2
1 /* $NetBSD: ite_tc.c,v 1.2 2003/08/07 16:27:42 agc Exp $ */ 2 3 /* 4 * Copyright (c) 1990, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * This code is derived from software contributed to Berkeley by 8 * the Systems Programming Group of the University of Utah Computer 9 * Science Department. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 * 35 * from: Utah $Hdr: ite_tc.c 1.11 92/01/20$ 36 * 37 * @(#)ite_tc.c 8.1 (Berkeley) 6/10/93 38 */ 39 /* 40 * Copyright (c) 1988 University of Utah. 41 * 42 * This code is derived from software contributed to Berkeley by 43 * the Systems Programming Group of the University of Utah Computer 44 * Science Department. 45 * 46 * Redistribution and use in source and binary forms, with or without 47 * modification, are permitted provided that the following conditions 48 * are met: 49 * 1. Redistributions of source code must retain the above copyright 50 * notice, this list of conditions and the following disclaimer. 51 * 2. Redistributions in binary form must reproduce the above copyright 52 * notice, this list of conditions and the following disclaimer in the 53 * documentation and/or other materials provided with the distribution. 54 * 3. All advertising materials mentioning features or use of this software 55 * must display the following acknowledgement: 56 * This product includes software developed by the University of 57 * California, Berkeley and its contributors. 58 * 4. Neither the name of the University nor the names of its contributors 59 * may be used to endorse or promote products derived from this software 60 * without specific prior written permission. 61 * 62 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 63 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 64 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 65 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 66 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 67 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 68 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 69 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 70 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 71 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 72 * SUCH DAMAGE. 73 * 74 * from: Utah $Hdr: ite_tc.c 1.11 92/01/20$ 75 * 76 * @(#)ite_tc.c 8.1 (Berkeley) 6/10/93 77 */ 78 79 #ifdef ITECONSOLE 80 81 #include <sys/param.h> 82 83 #include <hp300/dev/itereg.h> 84 #include <hp300/dev/grfreg.h> 85 #include <hp300/dev/grf_tcreg.h> 86 87 #include <hp300/stand/common/samachdep.h> 88 #include <hp300/stand/common/itevar.h> 89 90 #define REGBASE ((struct tcboxfb *)(ip->regbase)) 91 #define WINDOWMOVER topcat_windowmove 92 93 void topcat_windowmove __P((struct ite_data *, int, int, int, int, 94 int, int, int)); 95 96 void 97 topcat_init(ip) 98 register struct ite_data *ip; 99 { 100 101 /* 102 * Catseye looks a lot like a topcat, but not completely. 103 * So, we set some bits to make it work. 104 */ 105 if (REGBASE->fbid != GID_TOPCAT) { 106 while ((REGBASE->catseye_status & 1)) 107 ; 108 REGBASE->catseye_status = 0x0; 109 REGBASE->vb_select = 0x0; 110 REGBASE->tcntrl = 0x0; 111 REGBASE->acntrl = 0x0; 112 REGBASE->pncntrl = 0x0; 113 REGBASE->rug_cmdstat = 0x90; 114 } 115 116 /* 117 * Determine the number of planes by writing to the first frame 118 * buffer display location, then reading it back. 119 */ 120 REGBASE->wen = ~0; 121 REGBASE->fben = ~0; 122 REGBASE->prr = RR_COPY; 123 *FBBASE = 0xFF; 124 ip->planemask = *FBBASE; 125 126 /* 127 * Enable reading/writing of all the planes. 128 */ 129 REGBASE->fben = ip->planemask; 130 REGBASE->wen = ip->planemask; 131 REGBASE->ren = ip->planemask; 132 REGBASE->prr = RR_COPY; 133 134 ite_fontinfo(ip); 135 136 /* 137 * Clear the framebuffer on all planes. 138 */ 139 topcat_windowmove(ip, 0, 0, 0, 0, ip->fbheight, ip->fbwidth, RR_CLEAR); 140 tc_waitbusy(ip->regbase, ip->planemask); 141 142 ite_fontinit(ip); 143 144 /* 145 * Stash the inverted cursor. 146 */ 147 topcat_windowmove(ip, charY(ip, ' '), charX(ip, ' '), 148 ip->cblanky, ip->cblankx, ip->ftheight, 149 ip->ftwidth, RR_COPYINVERTED); 150 } 151 152 void 153 topcat_putc(ip, c, dy, dx, mode) 154 register struct ite_data *ip; 155 register int dy, dx; 156 int c, mode; 157 { 158 topcat_windowmove(ip, charY(ip, c), charX(ip, c), 159 dy * ip->ftheight, dx * ip->ftwidth, 160 ip->ftheight, ip->ftwidth, RR_COPY); 161 } 162 163 void 164 topcat_cursor(ip, flag) 165 register struct ite_data *ip; 166 register int flag; 167 { 168 if (flag == DRAW_CURSOR) 169 draw_cursor(ip) 170 else if (flag == MOVE_CURSOR) { 171 erase_cursor(ip) 172 draw_cursor(ip) 173 } 174 else 175 erase_cursor(ip) 176 } 177 178 void 179 topcat_clear(ip, sy, sx, h, w) 180 struct ite_data *ip; 181 register int sy, sx, h, w; 182 { 183 topcat_windowmove(ip, sy * ip->ftheight, sx * ip->ftwidth, 184 sy * ip->ftheight, sx * ip->ftwidth, 185 h * ip->ftheight, w * ip->ftwidth, 186 RR_CLEAR); 187 } 188 189 void 190 topcat_scroll(ip, sy, sx, count, dir) 191 register struct ite_data *ip; 192 register int sy, count; 193 int dir, sx; 194 { 195 register int dy = sy - count; 196 register int height = ip->rows - sy; 197 198 topcat_cursor(ip, ERASE_CURSOR); 199 200 topcat_windowmove(ip, sy * ip->ftheight, sx * ip->ftwidth, 201 dy * ip->ftheight, sx * ip->ftwidth, 202 height * ip->ftheight, 203 ip->cols * ip->ftwidth, RR_COPY); 204 } 205 206 void 207 topcat_windowmove(ip, sy, sx, dy, dx, h, w, func) 208 struct ite_data *ip; 209 int sy, sx, dy, dx, h, w, func; 210 { 211 register struct tcboxfb *rp = REGBASE; 212 213 if (h == 0 || w == 0) 214 return; 215 tc_waitbusy(ip->regbase, ip->planemask); 216 rp->wmrr = func; 217 rp->source_y = sy; 218 rp->source_x = sx; 219 rp->dest_y = dy; 220 rp->dest_x = dx; 221 rp->wheight = h; 222 rp->wwidth = w; 223 rp->wmove = ip->planemask; 224 } 225 #endif 226
Indexes created Wed Sep 24 02:09:48 GMT 2025