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      1 /* $NetBSD: wsemul_vt100_chars.c,v 1.15 2017/11/03 19:20:27 maya Exp $ */
      2 
      3 /*
      4  * Copyright (c) 1998
      5  *	Matthias Drochner.  All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     21  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     22  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     23  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     25  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     26  *
     27  */
     28 
     29 #include <sys/cdefs.h>
     30 __KERNEL_RCSID(0, "$NetBSD: wsemul_vt100_chars.c,v 1.15 2017/11/03 19:20:27 maya Exp $");
     31 
     32 #include <sys/param.h>
     33 #include <sys/systm.h>
     34 #include <dev/wscons/wsconsio.h>
     35 #include <dev/wscons/wsdisplayvar.h>
     36 #include <dev/wscons/wsksymvar.h>
     37 #include <dev/wscons/wsemulvar.h>
     38 #include <dev/wscons/wsemul_vt100var.h>
     39 #include <dev/wscons/unicode.h>
     40 
     41 static const u_int16_t decspcgr2uni[128] = {
     42 	0x0000, 0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x0007,
     43 	0x0008, 0x0009, 0x000a, 0x000b, 0x000c, 0x000d, 0x000e, 0x000f,
     44 	0x0010, 0x0011, 0x0012, 0x0013, 0x0014, 0x0015, 0x0016, 0x0017,
     45 	0x0018, 0x0019, 0x001a, 0x001b, 0x001c, 0x001d, 0x001e, 0x001f,
     46 /* 2 */	0x0020, 0x0021, 0x0022, 0x0023, 0x0024, 0x0025, 0x0026, 0x0027,
     47 	0x0028, 0x0029, 0x002a, 0x002b, 0x002c, 0x002d, 0x002e, 0x002f,
     48 	0x0030, 0x0031, 0x0032, 0x0033, 0x0034, 0x0035, 0x0036, 0x0037,
     49 	0x0038, 0x0039, 0x003a, 0x003b, 0x003c, 0x003d, 0x003e, 0x003f,
     50 /* 4 */	0x0040, 0x0041, 0x0042, 0x0043, 0x0044, 0x0045, 0x0046, 0x0047,
     51 	0x0048, 0x0049, 0x004a, 0x004b, 0x004c, 0x004d, 0x004e, 0x004f,
     52 	0x0050, 0x0051, 0x0052, 0x0053, 0x0054, 0x0055, 0x0056, 0x0057,
     53 	0x0058, 0x0059, 0x005a, 0x005b, 0x005c, 0x005d, 0x005e, 0x00a0,
     54 /* 6 */	0x25c6, 0x2592, 0x2409, 0x240c, 0x240d, 0x240a, 0x00b0, 0x00b1,
     55 	_e006U, 0x240b, 0x2518, 0x2510, 0x250c, 0x2514, 0x253c, 0x23ba,
     56 	0x23bb, 0x2500, 0x23bc, 0x23bd, 0x251c, 0x2524, 0x2534, 0x252c,
     57 	0x2502, 0x2264, 0x2265, 0x03c0, 0x2260, 0x00a3, 0x00b7, 0x007f,
     58 };
     59 
     60 static const u_int16_t dectech2uni[128] = {
     61 	0x0000, 0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x0007,
     62 	0x0008, 0x0009, 0x000a, 0x000b, 0x000c, 0x000d, 0x000e, 0x000f,
     63 	0x0010, 0x0011, 0x0012, 0x0013, 0x0014, 0x0015, 0x0016, 0x0017,
     64 	0x0018, 0x0019, 0x001a, 0x001b, 0x001c, 0x001d, 0x001e, 0x001f,
     65 /* 2 */	0x0020, 0x221a, 0x250c, 0x2212, 0x2320, 0x2321, 0x2502, 0x2308,
     66 	0x230a, 0x2309, 0x230b, _e007U, _e008U, _e009U, _e00aU, _e00bU,
     67 	_e00cU, _e00dU, _e00eU, 0x2216, 0x2215, 0x00ac, _e00fU, 0x232a,
     68 	_e000U, _e000U, _e000U, _e000U, 0x2264, 0x2260, 0x2265, 0x222b,
     69 /* 4 */	0x2234, 0x221d, 0x221e, 0x00f7, 0x2206, 0x2207, 0x03a6, 0x0393,
     70 	0x223c, 0x2243, 0x0398, 0x00d7, 0x039b, 0x21d4, 0x21d2, 0x2261,
     71 	0x03a0, 0x03a8, _e000U, 0x03a3, _e000U, _e000U, 0x221a, 0x03a9,
     72 	0x039e, 0x03a5, 0x2282, 0x2283, 0x2229, 0x222a, 0x2227, 0x2228,
     73 /* 6 */	0x00ac, 0x03b1, 0x03b2, 0x03c7, 0x03b4, 0x03b5, 0x03c6, 0x03b3,
     74 	0x03b7, 0x03b9, 0x03b8, 0x03ba, 0x03bb, _e000U, 0x03bd, 0x2202,
     75 	0x03c0, 0x03c8, 0x03c1, 0x03c3, 0x03c4, _e000U, 0x0192, 0x03c9,
     76 	0x03be, 0x03c5, 0x03b6, 0x2190, 0x2191, 0x2192, 0x2193, 0x007f,
     77 };
     78 
     79 void
     80 vt100_initchartables(struct wsemul_vt100_emuldata *edp)
     81 {
     82 	int i;
     83 	struct vt100base_data *vd = &edp->bd;
     84 
     85 	for (i = 0; i < 128; i++)
     86 		(*vd->emulops->mapchar)(vd->emulcookie, 128 + i,
     87 					 &edp->isolatin1tab[i]);
     88 	for (i = 0; i < 128; i++)
     89 		(*vd->emulops->mapchar)(vd->emulcookie, decspcgr2uni[i],
     90 					 &edp->decgraphtab[i]);
     91 	for (i = 0; i < 128; i++)
     92 		(*vd->emulops->mapchar)(vd->emulcookie, dectech2uni[i],
     93 					 &edp->dectechtab[i]);
     94 	vt100_setnrc(edp, 0);
     95 }
     96 
     97 static const int nrcovlpos[12] = {
     98     0x23, 0x40, 0x5b, 0x5c, 0x5d, 0x5e,	/* #@[\]^ */
     99     0x5f, 0x60, 0x7b, 0x7c, 0x7d, 0x7e	/* _`{|}~ */
    100 };
    101 static const struct {
    102 	u_int16_t c[12];
    103 } nrctable[] = {
    104 	/* british */
    105 	{{0x00a3, 0x0040, 0x005b, 0x005c, 0x005d, 0x005e,
    106 	0x005f, 0x0060, 0x007b, 0x007c, 0x007d, 0x007e}},
    107 	/* dutch */
    108 	{{0x00a3, 0x00be, 0x00dc, 0x00ab, 0x007c, 0x005e,
    109 	0x005f, 0x0060, 0x00a8, 0x0192, 0x00bc, 0x00b4}},
    110 	/* finnish */
    111 	{{0x0023, 0x0040, 0x00c4, 0x00d6, 0x00c5, 0x00dc,
    112 	0x005f, 0x00e9, 0x00e4, 0x00f6, 0x00e5, 0x00fc}},
    113 	/* french */
    114 	{{0x00a3, 0x00e0, 0x00b0, 0x00e7, 0x00a7, 0x005e,
    115 	0x005f, 0x0060, 0x00e9, 0x00f9, 0x00e8, 0x00a8}},
    116 	/* french canadian */
    117 	{{0x0023, 0x00e0, 0x00e2, 0x00e7, 0x00ea, 0x00ee,
    118 	0x005f, 0x00f4, 0x00e9, 0x00f9, 0x00e8, 0x00fb}},
    119 	/* german */
    120 	{{0x0023, 0x00a7, 0x00c4, 0x00d6, 0x00dc, 0x005e,
    121 	0x005f, 0x0060, 0x00e4, 0x00f6, 0x00fc, 0x00df}},
    122 	/* italian */
    123 	{{0x00a3, 0x00a7, 0x00b0, 0x00e7, 0x00e9, 0x005e,
    124 	0x005f, 0x00f9, 0x00e0, 0x00f2, 0x00e8, 0x00ec}},
    125 	/* norwegian /danish */
    126 	{{0x0023, 0x0040, 0x00c6, 0x00d8, 0x00c5, 0x005e,
    127 	0x005f, 0x0060, 0x00e6, 0x00f8, 0x00e5, 0x007e}},
    128 	/* portuguese */
    129 	{{0x0023, 0x0040, 0x00c3, 0x00c7, 0x00d5, 0x005e,
    130 	0x005f, 0x0060, 0x00e3, 0x00e7, 0x00f5, 0x007e}},
    131 	/* spanish */
    132 	{{0x00a3, 0x00a7, 0x00a1, 0x00d1, 0x00bf, 0x005e,
    133 	0x005f, 0x0060, 0x0060, 0x00b0, 0x00f1, 0x00e7}},
    134 	/* swedish */
    135 	{{0x0023, 0x00c9, 0x00c4, 0x00d6, 0x00c5, 0x00dc,
    136 	0x005f, 0x00e9, 0x00e4, 0x00f6, 0x00e5, 0x00fc}},
    137 	/* swiss */
    138 	{{0x00f9, 0x00e0, 0x00e9, 0x00e7, 0x00ea, 0x00ee,
    139 	0x00e8, 0x00f4, 0x00e4, 0x00f6, 0x00fc, 0x00fb}},
    140 };
    141 
    142 void
    143 vt100_setnrc(struct wsemul_vt100_emuldata *edp, int nrc)
    144 {
    145 	int i;
    146 	struct vt100base_data *vd = &edp->bd;
    147 
    148 	KASSERT(nrc < __arraycount(nrctable));
    149 
    150 	for (i = 0; i < 128; i++)
    151 		(*vd->emulops->mapchar)(vd->emulcookie, i, &edp->nrctab[i]);
    152 	for (i = 0; i < 12; i++)
    153 		(*vd->emulops->mapchar)(vd->emulcookie, nrctable[nrc].c[i],
    154 					 &edp->nrctab[nrcovlpos[i]]);
    155 }
    156