FreeCalypso > hg > fc-magnetite
annotate src/gpf3/ccd/t30_ident.c @ 678:edaceb78719a
doc/Leonardo-target: Tango unused Calypso signals update
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Sat, 20 Jun 2020 05:08:39 +0000 |
parents | c41a534f33c6 |
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rev | line source |
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1 /* |
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2 +----------------------------------------------------------------------------- |
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3 | Project : |
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4 | Modul : t30_ident.c |
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5 +----------------------------------------------------------------------------- |
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6 | Copyright 2002 Texas Instruments Berlin, AG |
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7 | All rights reserved. |
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8 | |
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9 | This file is confidential and a trade secret of Texas |
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10 | Instruments Berlin, AG |
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11 | The receipt of or possession of this file does not convey |
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12 | any rights to reproduce or disclose its contents or to |
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13 | manufacture, use, or sell anything it may describe, in |
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14 | whole, or in part, without the specific written consent of |
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15 | Texas Instruments Berlin, AG. |
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16 +----------------------------------------------------------------------------- |
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17 | Purpose : Definition of encoding and decoding functions for T30_IDENT elements |
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18 +----------------------------------------------------------------------------- |
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19 */ |
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20 |
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21 |
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22 /* |
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23 * standard definitions like GLOBAL, UCHAR, ERROR etc. |
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24 */ |
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25 #include "typedefs.h" |
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26 #include "header.h" |
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27 |
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28 /* |
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29 * Prototypes of ccd (USE_DRIVER EQ undef) for prototypes only |
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30 * look at ccdapi.h |
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31 */ |
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32 #undef USE_DRIVER |
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33 #include "ccdapi.h" |
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34 |
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35 /* |
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36 * Types and functions for bit access and manipulation |
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37 */ |
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38 #include "ccd_globs.h" |
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39 #include "bitfun.h" |
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40 |
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41 /* |
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42 * Prototypes of ccd internal functions |
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43 */ |
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44 #include "ccd.h" |
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45 |
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46 /* |
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47 * Declaration of coder/decoder tables |
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48 */ |
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49 #include "ccdtable.h" |
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50 #include "ccddata.h" |
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51 |
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52 #ifndef RUN_INT_RAM |
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53 /* |
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54 +--------------------------------------------------------------------+ |
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55 | PROJECT : CCD (6144) MODULE : CCD | |
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56 | STATE : code ROUTINE : cdc_t30_ident_decode | |
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57 +--------------------------------------------------------------------+ |
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58 |
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59 PURPOSE : |
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60 |
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61 */ |
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62 |
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63 SHORT cdc_t30_ident_decode (const ULONG c_ref, const ULONG e_ref, T_CCD_Globs *globs) |
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64 { |
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65 ULONG max_rep; |
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66 BOOL is_variable; |
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67 UBYTE digBuffer[30], bit, digT30, digASCII; |
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68 UBYTE *addr_c_xxx; |
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69 int i, repeat; |
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70 ULONG cix_ref, num_prolog_steps, prolog_step_ref; |
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71 register UBYTE *ident; |
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72 |
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73 #ifdef DEBUG_CCD |
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74 #ifndef CCD_SYMBOLS |
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75 TRACE_CCD (globs, "cdc_t30_ident_decode()"); |
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76 #else |
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77 TRACE_CCD (globs, "cdc_t30_ident_decode() %s", ccddata_get_alias((USHORT) e_ref, 1)); |
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78 #endif |
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79 #endif |
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80 |
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81 cix_ref = melem[e_ref].calcIdxRef; |
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82 num_prolog_steps = calcidx[cix_ref].numPrologSteps; |
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83 prolog_step_ref = calcidx[cix_ref].prologStepRef; |
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84 |
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85 /* |
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86 * if this element is conditional, check the condition |
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87 */ |
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88 if (calcidx[cix_ref].numCondCalcs NEQ 0 |
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89 AND ! ccd_conditionOK (e_ref, globs)) |
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90 return 1; |
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91 |
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92 /* |
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93 * if this element have a defined Prolog |
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94 * we have to process it before decoding the bitstream |
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95 */ |
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96 if (num_prolog_steps) |
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97 { |
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98 ccd_performOperations (num_prolog_steps, prolog_step_ref, globs); |
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99 } |
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100 |
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101 /* |
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102 * if this element is repeatable, and the number of |
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103 * repeats depends on another element, calculate the repeater |
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104 */ |
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105 |
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106 if (melem[e_ref].repType NEQ ' ') |
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107 { |
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108 ULONG rep; |
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109 is_variable = ccd_calculateRep (e_ref, &rep, &max_rep, globs); |
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110 repeat = rep; |
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111 } |
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112 else |
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113 { |
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114 repeat = 1; |
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115 is_variable = FALSE; |
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116 } |
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117 |
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118 /* |
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119 * setup the offset into the C-structure for this element |
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120 */ |
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121 globs->pstructOffs = melem[e_ref].structOffs; |
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122 |
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123 if (melem[e_ref].optional) |
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124 { |
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125 /* |
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126 * for optional elements set the valid-flag |
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127 */ |
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128 globs->pstruct[globs->pstructOffs++] = (UBYTE) TRUE; |
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129 } |
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130 |
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131 |
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132 if (is_variable) |
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133 { |
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134 /* |
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135 * for variable sized elements store the min-value |
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136 * as counter into the C-Structure (c_xxx). |
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137 */ |
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138 addr_c_xxx = (UBYTE *) (globs->pstruct + globs->pstructOffs++); |
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139 if (max_rep > 255) |
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140 globs->pstructOffs++; |
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141 } |
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142 else |
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143 addr_c_xxx = NULL; |
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144 |
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145 /* |
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146 * calculate the address of the Most Significant Digit |
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147 * of the T30_IDENT element in the C-struct |
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148 */ |
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149 ident = (UBYTE *) (globs->pstruct + globs->pstructOffs); |
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150 |
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151 |
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152 /* |
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153 * now read 'repeat' T30_IDENT digits and convert them |
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154 * into ASCII. |
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155 */ |
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156 i=0; |
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157 |
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158 while (!bf_endOfBitstream(globs) AND i<repeat) |
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159 { |
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160 digT30 = bf_decodeByteNumber (8, globs); |
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161 #ifdef DEBUG_CCD |
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162 TRACE_CCD (globs, "T30 digit (%X) read", digT30); |
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163 #endif |
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164 /* |
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165 * conversion T30->ASCII |
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166 * reverse the bitorder of each byte |
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167 */ |
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168 digASCII = 0; |
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169 |
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170 for (bit = 0; bit < 8; bit++) |
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171 { |
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172 digASCII <<= 1; |
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173 digASCII |= (digT30 & 0x01); |
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174 digT30 >>= 1; |
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175 } |
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176 |
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177 digBuffer[i] = digASCII; |
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178 #ifdef DEBUG_CCD |
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179 TRACE_CCD (globs, " converted to %X = %c", digBuffer[i], digBuffer[i]); |
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180 #endif |
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181 i++; |
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182 } |
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183 |
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184 /* |
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185 * eleminate leading spaces |
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186 */ |
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187 while (i > 0 AND digBuffer[i-1] EQ ' ') |
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188 { |
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189 #ifdef DEBUG_CCD |
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190 TRACE_CCD (globs, "eliminating leading space"); |
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191 #endif |
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192 i--; |
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193 } |
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194 |
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195 repeat = i; |
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196 |
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197 |
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198 if (addr_c_xxx NEQ NULL) |
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199 { |
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200 /* |
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201 * store the number of digits into the |
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202 * c_xxx variable if there is one. |
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203 */ |
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204 if (max_rep > 65535) |
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205 { |
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206 ULONG *addr_c_xxx_u32; |
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207 addr_c_xxx_u32 = (ULONG *)addr_c_xxx; |
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208 *addr_c_xxx_u32 = (ULONG) repeat; |
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209 #ifdef DEBUG_CCD |
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210 TRACE_CCD (globs, "storing %d into counter var at (%lx)", |
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211 repeat, addr_c_xxx_u32); |
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212 #endif |
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213 } |
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214 else if (max_rep > 255) |
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215 { |
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216 USHORT *addr_c_xxx_u16; |
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217 addr_c_xxx_u16 = (USHORT *)addr_c_xxx; |
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218 *addr_c_xxx_u16 = (USHORT) repeat; |
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219 #ifdef DEBUG_CCD |
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220 TRACE_CCD (globs, "storing %d into counter var at (%lx)", |
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221 repeat, addr_c_xxx_u16); |
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222 #endif |
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223 } |
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224 else |
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225 { |
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226 *addr_c_xxx = (UBYTE) repeat; |
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227 #ifdef DEBUG_CCD |
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228 TRACE_CCD (globs, "storing %d into counter var at (%lx)", |
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229 repeat, |
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230 addr_c_xxx); |
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231 #endif |
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232 } |
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233 } |
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234 |
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235 /* |
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236 * store the digits in reverse order |
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237 * into the C-Structure variable |
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238 */ |
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239 #ifdef DEBUG_CCD |
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240 TRACE_CCD (globs, "storing %d digits into cstruct at (%lx)", |
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241 repeat, |
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242 ident); |
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243 #endif |
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244 |
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245 for (i=0; i<repeat; i++) |
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246 ident[i] = digBuffer[(repeat-1)-i]; |
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247 |
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248 return 1; |
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249 } |
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250 #endif /* !RUN_INT_RAM */ |
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251 |
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252 #ifndef RUN_INT_RAM |
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253 /* |
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254 +--------------------------------------------------------------------+ |
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255 | PROJECT : CCD (6144) MODULE : CCD | |
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256 | STATE : code ROUTINE : cdc_t30_ident_encode | |
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257 +--------------------------------------------------------------------+ |
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258 |
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259 PURPOSE : |
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260 |
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261 */ |
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262 |
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263 |
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264 SHORT cdc_t30_ident_encode (const ULONG c_ref, const ULONG e_ref, T_CCD_Globs *globs) |
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265 { |
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266 ULONG repeat, max_rep; |
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267 UBYTE digBuffer[30], bit, digT30, digASCII; |
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268 ULONG i; |
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269 ULONG cix_ref, num_prolog_steps, prolog_step_ref; |
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270 register UBYTE *ident; |
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271 |
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272 #ifdef DEBUG_CCD |
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273 #ifndef CCD_SYMBOLS |
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274 TRACE_CCD (globs, "cdc_t30_ident_encode()"); |
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275 #else |
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276 TRACE_CCD (globs, "cdc_t30_ident_encode() %s", ccddata_get_alias((USHORT) e_ref, 1)); |
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277 #endif |
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278 #endif |
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279 |
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280 cix_ref = melem[e_ref].calcIdxRef; |
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281 num_prolog_steps = calcidx[cix_ref].numPrologSteps; |
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282 prolog_step_ref = calcidx[cix_ref].prologStepRef; |
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283 |
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284 /* |
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285 * if this element is conditional, check the condition |
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286 */ |
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287 if (calcidx[cix_ref].numCondCalcs NEQ 0 |
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288 AND ! ccd_conditionOK (e_ref, globs)) |
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289 return 1; |
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290 |
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291 /* |
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292 * if this element have a defined Prolog |
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293 * we have to process it before encoding |
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294 */ |
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295 if (num_prolog_steps) |
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296 { |
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297 ccd_performOperations (num_prolog_steps, prolog_step_ref, globs); |
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298 } |
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299 |
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300 /* |
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301 * setup the offset into the C-structure for this element |
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302 */ |
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303 globs->pstructOffs = melem[e_ref].structOffs; |
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304 |
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305 if (melem[e_ref].optional) |
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306 { |
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307 /* |
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308 * for optional elements check the valid-flag |
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309 */ |
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310 if (globs->pstruct[globs->pstructOffs++] == FALSE) |
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311 { |
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312 return 1; |
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313 } |
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314 #ifdef DEBUG_CCD |
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315 else if (globs->pstruct [melem[e_ref].structOffs] != TRUE) |
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316 { |
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317 TRACE_CCD (globs, "Ambiguous value for valid flag!\n...assumed 1 for ccdID=%d", |
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318 e_ref); |
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319 } |
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320 #endif |
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321 } |
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322 |
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323 /* |
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324 * if this element is repeatable, and the number of |
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325 * repeats depends on another element, calculate the repeater |
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326 */ |
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327 if (melem[e_ref].repType EQ 'v' OR melem[e_ref].repType EQ 'i') |
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328 { |
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329 /* |
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330 * for variable sized elements read the amount |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
331 * of repeats out of the C-Structure (c_xxx). |
c41a534f33c6
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
332 * If the number of repeats given by the C-Structure |
c41a534f33c6
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
333 * exceeds the allowed value (maxRepeat) CCD gives a warning! |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
334 */ |
c41a534f33c6
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
335 if (melem[e_ref].maxRepeat > 255) |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
336 { |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
337 ULONG count = (ULONG) (* (USHORT *)(globs->pstruct + globs->pstructOffs++)); |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
338 repeat = MINIMUM (count, (ULONG) melem[e_ref].maxRepeat); |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
339 if (repeat < count) |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
340 ccd_recordFault (globs, ERR_MAX_REPEAT, CONTINUE, |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
341 (USHORT) e_ref, globs->pstruct + globs->pstructOffs); |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
342 } |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
343 else |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
344 { |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
345 repeat = (ULONG) MINIMUM (globs->pstruct[globs->pstructOffs], |
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parents:
diff
changeset
|
346 melem[e_ref].maxRepeat); |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
347 if ( repeat < (ULONG) (globs->pstruct[globs->pstructOffs]) ) |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
348 ccd_recordFault (globs, ERR_MAX_REPEAT, CONTINUE, |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
349 (USHORT) e_ref, globs->pstruct + globs->pstructOffs); |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
350 } |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
351 globs->pstructOffs++; |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
352 max_rep = (ULONG) melem[e_ref].maxRepeat; |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
353 } |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
354 else |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
355 if (melem[e_ref].repType EQ 'c') |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
356 { |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
357 repeat = (ULONG) melem[e_ref].maxRepeat; |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
358 max_rep = (ULONG) melem[e_ref].maxRepeat; |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
359 } |
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parents:
diff
changeset
|
360 else |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
361 { |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
362 repeat = 1; |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
363 max_rep = 1; |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
364 } |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
365 |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
366 /* |
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parents:
diff
changeset
|
367 * setup the read pointer to the byte array that contain |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
368 * the ident number. |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
369 */ |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
370 ident = (UBYTE *) (globs->pstruct + globs->pstructOffs); |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
371 |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
372 /* |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
373 * read the digits in reverse order out of the C-Structure variable. |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
374 * (filled up with blanks to the maxRepeat) |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
375 */ |
c41a534f33c6
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
376 |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
377 i=0; |
c41a534f33c6
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
378 |
c41a534f33c6
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
379 while (i < max_rep) |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
380 { |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
381 if (i < repeat) |
c41a534f33c6
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
382 digBuffer[i] = ident[(repeat-1)-i]; |
c41a534f33c6
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
383 else |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
384 { |
c41a534f33c6
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
385 #ifdef DEBUG_CCD |
c41a534f33c6
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
386 TRACE_CCD (globs, "appending space char"); |
c41a534f33c6
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
387 #endif |
c41a534f33c6
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
388 digBuffer[i] = ' '; |
c41a534f33c6
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
389 } |
c41a534f33c6
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
390 i++; |
c41a534f33c6
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
391 } |
c41a534f33c6
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
392 |
c41a534f33c6
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
393 /* |
c41a534f33c6
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
394 * now read 'repeat' T30_IDENT digits and convert them |
c41a534f33c6
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
395 * into ASCII. |
c41a534f33c6
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
396 */ |
c41a534f33c6
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
397 i=0; |
c41a534f33c6
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
398 |
c41a534f33c6
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
399 while (i < max_rep) |
c41a534f33c6
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
400 { |
c41a534f33c6
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
401 digASCII = digBuffer[i]; |
c41a534f33c6
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
402 |
c41a534f33c6
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
403 #ifdef DEBUG_CCD |
c41a534f33c6
src/gpf3: preened GPF goo from TCS3.2
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
404 TRACE_CCD (globs, "ASCII digit (%X) = %c ", (USHORT) digASCII, digASCII); |
c41a534f33c6
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
405 #endif |
c41a534f33c6
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
406 /* |
c41a534f33c6
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
407 * conversion ASCII->T30 |
c41a534f33c6
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
408 * reverse the bitorder of each byte |
c41a534f33c6
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
409 */ |
c41a534f33c6
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
410 digT30 = 0; |
c41a534f33c6
src/gpf3: preened GPF goo from TCS3.2
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
411 |
c41a534f33c6
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
412 for (bit = 0; bit < 8; bit++) |
c41a534f33c6
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
413 { |
c41a534f33c6
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
414 digT30 <<= 1; |
c41a534f33c6
src/gpf3: preened GPF goo from TCS3.2
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
415 digT30 |= (digASCII & 0x01); |
c41a534f33c6
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
416 digASCII >>= 1; |
c41a534f33c6
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
417 } |
c41a534f33c6
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
418 |
c41a534f33c6
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
419 #ifdef DEBUG_CCD |
c41a534f33c6
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
420 TRACE_CCD (globs, " converted to %X", (USHORT) digT30); |
c41a534f33c6
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
421 #endif |
c41a534f33c6
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
422 bf_codeByteNumber (8, digT30, globs); |
c41a534f33c6
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
423 |
c41a534f33c6
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
424 i++; |
c41a534f33c6
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
425 } |
c41a534f33c6
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
426 |
c41a534f33c6
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
427 return 1; |
c41a534f33c6
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
428 } |
c41a534f33c6
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
429 #endif /* !RUN_INT_RAM */ |