1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* $Id: c2p.c,v 1.12 1997/10/31 16:16:56 binz Exp $ SMI: ALE */ 22 23 /* 24 * Copyright 2006 Sun Microsystems, Inc. All rights reserved. 25 * Use is subject to license terms. 26 */ 27 28 /* 29 * Convert 2 byte completion code to 30 * 2 byte combination code 31 * 1) find the sequential No. of initial and middle sounds. 32 * 2) decide the displacement of final sound from the starting point. 33 * 3) combine each sounds into combination code. 34 */ 35 36 #include <stdio.h> 37 #include "kdefs.h" 38 #include "ktable.h" 39 40 #define SKIP 0xa1 + 0xff - 0xfe 41 42 #define CI_CNT 19 - 1 43 #define V_CNT 21 - 1 44 45 /* KS C 5601-1986 */ 46 KCHAR c2p(comp2) 47 KCHAR comp2; 48 { 49 50 KCHAR comb2; 51 short Ci_val; /* initial sound */ 52 short V_val ; /* middle sound */ 53 short Cf_val; /* final sound */ 54 short mask ; 55 short high = CI_CNT ; 56 short low = 0 ; 57 58 int disp,cnt; 59 60 long Cfbit ; 61 62 /* 63 * Find initial sound (Ci_val) and 64 * middle sound (V_val ) 65 * which make the starting point for 'comp2'. 66 */ 67 68 for (;;) { 69 Ci_val = (low + high) / 2 ; 70 if (low >= high) 71 break ; 72 if (comp2 < cmp_srchtbl[Ci_val][0]) 73 high = Ci_val - 1 ; 74 else if (comp2 < cmp_srchtbl[Ci_val+1][0]) 75 break ; 76 else low = Ci_val + 1 ; 77 } 78 79 V_val = 1; 80 while(1) { 81 if (comp2 < cmp_srchtbl[Ci_val][V_val]) { 82 while(cmp_srchtbl[Ci_val][--V_val] == 0) 83 ; 84 break; 85 }else if (V_val == V_CNT) 86 break ; 87 V_val++; 88 } 89 90 /* Find displacement (temporary final sound value) */ 91 92 disp = comp2 - cmp_srchtbl[Ci_val][V_val] ; 93 mask = cmp_srchtbl[Ci_val][V_val] & BYTE_MASK ; 94 95 if ((mask + disp) > 0xfe) 96 disp -= SKIP ; 97 98 /* Find the value of final sound */ 99 100 Cfbit = cmp_bitmap[Ci_val][V_val] ; 101 for (cnt = -1 , Cf_val = -1; cnt < disp; Cf_val++) 102 { 103 if (Cfbit & BIT_MASK) 104 cnt++ ; 105 Cfbit >>= 1 ; 106 } 107 108 /* make 2 byte combination code */ 109 110 comb2 = (unsigned int) (Ci_val + 0x0a) ; 111 comb2 = (comb2 << 5) | (V_val + (V_val + 1)/3 + 2) ; 112 comb2 = (comb2 << 5) | Cf_val ; 113 114 return(comb2 | 0x8000) ; 115 } 116 117 /* KS C 5601-1992 */ 118 KCHAR c2j(comp2) 119 KCHAR comp2; 120 { 121 122 KCHAR comb2; 123 short Ci_val; /* initial sound */ 124 short V_val ; /* middle sound */ 125 short Cf_val; /* final sound */ 126 short mask ; 127 short high = CI_CNT ; 128 short low = 0 ; 129 130 int disp,cnt; 131 132 long Cfbit ; 133 134 /* 135 * Find initial sound (Ci_val) and 136 * middle sound (V_val ) 137 * which make the starting point for 'comp2'. 138 */ 139 140 for (;;) { 141 Ci_val = (low + high) / 2 ; 142 if (low >= high) 143 break ; 144 if (comp2 < cmp_srchtbl[Ci_val][0]) 145 high = Ci_val - 1 ; 146 else if (comp2 < cmp_srchtbl[Ci_val+1][0]) 147 break ; 148 else low = Ci_val + 1 ; 149 } 150 151 V_val = 1; 152 while(1) { 153 if (comp2 < cmp_srchtbl[Ci_val][V_val]) { 154 while(cmp_srchtbl[Ci_val][--V_val] == 0) 155 ; 156 break; 157 }else if (V_val == V_CNT) 158 break ; 159 V_val++; 160 } 161 162 /* Find displacement (temporary final sound value) */ 163 164 disp = comp2 - cmp_srchtbl[Ci_val][V_val] ; 165 mask = cmp_srchtbl[Ci_val][V_val] & BYTE_MASK ; 166 167 if ((mask + disp) > 0xfe) 168 disp -= SKIP ; 169 170 /* Find the value of final sound */ 171 172 Cfbit = cmp_bitmap[Ci_val][V_val] ; 173 for (cnt = -1 , Cf_val = -1; cnt < disp; Cf_val++) 174 { 175 if (Cfbit & BIT_MASK) 176 cnt++ ; 177 Cfbit >>= 1 ; 178 } 179 180 /* make 2 byte combination code */ 181 182 comb2 = (unsigned int) (Ci_val + 2); 183 comb2 = (comb2 << 5) | (V_val + (V_val + 1) / 6 * 2 + 3); 184 comb2 = (comb2 << 5) | (Cf_val + (Cf_val) / 18); 185 186 187 return(comb2 | 0x8000) ; 188 } 189 190 #ifdef TESTPRINT 191 main() 192 { 193 unsigned short comp2, comb2; 194 int i,j; 195 196 printf("\ncompletion code combination code\n"); 197 for (i=0xb0;i<=0xc8;i++) { 198 for (j=0xa1;j<=0xfe;j++) { 199 comp2 = i<<8|j; 200 comb2 = comptopack(comp2); 201 printf(" %4x %4x\n", comp2,comb2); 202 } 203 } 204 } 205 #endif 206