FreeCalypso > hg > fc-magnetite
annotate src/gpf3/ccd/bcd_mnc.c @ 159:5184c0ba4574
sim_b_lib.lib compiles
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Tue, 11 Oct 2016 00:26:19 +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 : bcd_mnc.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 BCD_MNC 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_bcd_mnc_decode | |
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57 +--------------------------------------------------------------------+ |
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58 |
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59 PURPOSE : decoding a byte array, that contains a Mobile Network Code, |
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60 from the bitstream: |
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61 |
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62 MSBit LSBit |
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63 7 8 6 5 4 3 2 1 |
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64 DIGIT_3 XXXXXXX Octett n-1 |
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65 DIGIT_2 DIGIT_1 Octett n |
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66 |
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67 The current decoding position is expected after Octett n-1 |
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68 The byte array should be of dimension [2..3] (preferred) |
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69 or [3] or [2] (also supported) |
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70 |
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71 */ |
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72 |
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73 |
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74 SHORT cdc_bcd_mnc_decode (const ULONG c_ref, const ULONG e_ref, T_CCD_Globs *globs) |
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75 { |
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76 ULONG repeat, max_rep; |
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77 BOOL is_variable; |
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78 UBYTE digBuffer[3]; |
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79 UBYTE *addr_c_xxx; |
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80 ULONG i; |
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81 ULONG cix_ref, num_prolog_steps, prolog_step_ref; |
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82 register UBYTE *digits; |
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83 |
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84 #ifdef DEBUG_CCD |
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85 #ifndef CCD_SYMBOLS |
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86 TRACE_CCD (globs, "cdc_bcd_mnc_decode()"); |
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87 #else |
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88 TRACE_CCD (globs, "cdc_bcd_mnc_decode() %s", ccddata_get_alias((USHORT) e_ref, 1)); |
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89 #endif |
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90 #endif |
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91 |
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92 cix_ref = melem[e_ref].calcIdxRef; |
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93 num_prolog_steps = calcidx[cix_ref].numPrologSteps; |
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94 prolog_step_ref = calcidx[cix_ref].prologStepRef; |
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95 |
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96 /* |
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97 * if this element is conditional, check the condition |
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98 */ |
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99 if (calcidx[cix_ref].numCondCalcs NEQ 0 |
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100 AND ! ccd_conditionOK (e_ref, globs)) |
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101 return 1; |
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102 |
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103 /* |
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104 * if this element have a defined Prolog |
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105 * we have to process it before decoding the bitstream |
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106 */ |
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107 if (num_prolog_steps) |
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108 { |
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109 ccd_performOperations (num_prolog_steps, prolog_step_ref, globs); |
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110 } |
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parents:
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111 |
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112 /* |
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113 * if this element is repeatable, and the number of |
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114 * repeats depends on another element, calculate the repeater |
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115 */ |
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116 if (melem[e_ref].repType NEQ ' ') |
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117 { |
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118 is_variable = ccd_calculateRep (e_ref, &repeat, &max_rep, globs); |
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119 } |
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120 else |
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121 { |
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122 repeat = 1; |
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123 is_variable = FALSE; |
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124 } |
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125 |
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126 /* |
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127 * setup the offset into the C-structure for this element |
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128 */ |
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129 globs->pstructOffs = melem[e_ref].structOffs; |
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130 |
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131 if (melem[e_ref].optional) |
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132 { |
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133 /* |
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134 * for optional elements set the valid-flag |
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135 */ |
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136 globs->pstruct[globs->pstructOffs++] = (UBYTE) TRUE; |
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137 } |
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138 |
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139 if (is_variable) |
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140 { |
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141 if (max_rep < 2 OR max_rep > 3) |
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142 { |
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143 ccd_setError (globs, ERR_INVALID_TYPE, BREAK, (USHORT) (globs->bitpos), |
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144 (USHORT) -1); |
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|
145 } |
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146 /* |
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147 * for variable sized elements store the min-value |
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148 * as counter into the C-Structure (c_xxx). |
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149 */ |
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150 addr_c_xxx = (UBYTE *) (globs->pstruct + globs->pstructOffs++); |
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151 if (max_rep > 255) |
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152 globs->pstructOffs++; |
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|
153 } |
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|
154 else |
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155 addr_c_xxx = NULL; |
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|
156 |
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|
157 digits = (UBYTE *) (globs->pstruct + globs->pstructOffs); |
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|
158 |
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|
159 bf_setBitpos ((globs->bitpos - 8), globs); |
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|
160 |
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|
161 /* |
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162 * read the BCD digits out of the bitstream. |
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163 * The read order is 3,X,2,1 |
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|
164 */ |
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165 digBuffer[2] = bf_decodeByteNumber (4, globs); |
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|
166 bf_incBitpos (4, globs); |
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|
167 |
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|
168 digBuffer[1] = bf_decodeByteNumber (4, globs); |
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changeset
|
169 digBuffer[0] = bf_decodeByteNumber (4, globs); |
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|
170 |
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|
171 if (addr_c_xxx NEQ NULL) |
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|
172 { |
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|
173 /* |
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|
174 * store the number of digits into the |
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|
175 * c_xxx variable if there is one. |
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parents:
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changeset
|
176 */ |
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|
177 repeat = (ULONG) ((digBuffer[2] EQ 0x0f) ? 2 : 3); |
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|
178 if (max_rep > 65535) |
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|
179 { |
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|
180 ULONG *addr_c_xxx_u32; |
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|
181 addr_c_xxx_u32 = (ULONG *)addr_c_xxx; |
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|
182 *addr_c_xxx_u32 = repeat; |
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|
183 } |
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|
184 else if (max_rep > 255) |
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|
185 { |
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|
186 USHORT *addr_c_xxx_u16; |
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|
187 addr_c_xxx_u16 = (USHORT *)addr_c_xxx; |
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|
188 *addr_c_xxx_u16 = (USHORT) repeat; |
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|
189 } |
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|
190 else |
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|
191 *addr_c_xxx = (UBYTE) repeat; |
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|
192 } |
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|
193 else |
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changeset
|
194 { |
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|
195 if (max_rep EQ 2 AND digBuffer[2] NEQ 0xf) |
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|
196 ccd_setError (globs, ERR_PATTERN_MISMATCH, |
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|
197 CONTINUE, |
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198 (USHORT) (globs->bitpos-16), |
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|
199 (USHORT) -1); |
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|
200 |
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diff
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|
201 repeat = max_rep; |
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|
202 } |
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|
203 /* |
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|
204 * store the digits into the C-Structure variable |
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|
205 */ |
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|
206 for (i=0; i<repeat; i++) |
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|
207 digits[i] = digBuffer[i]; |
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|
208 |
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|
209 return 1; |
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|
210 } |
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diff
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|
211 #endif /* !RUN_INT_RAM */ |
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|
212 |
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diff
changeset
|
213 #ifndef RUN_INT_RAM |
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214 /* |
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|
215 +--------------------------------------------------------------------+ |
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216 | PROJECT : CCD (6144) MODULE : CCD | |
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217 | STATE : code ROUTINE : cdc_bcd_mnc_encode | |
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|
218 +--------------------------------------------------------------------+ |
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diff
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|
219 |
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220 PURPOSE : encoding a byte array, that contains a Mobile Network Code, |
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221 into the bitstream: |
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222 |
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223 MSBit LSBit |
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224 7 8 6 5 4 3 2 1 |
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225 DIGIT_3 XXXXXXX Octett n-1 |
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226 DIGIT_2 DIGIT_1 Octett n |
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227 |
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228 The current coding position is expected after Octett n-1 |
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229 */ |
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230 |
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231 |
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232 SHORT cdc_bcd_mnc_encode (const ULONG c_ref, const ULONG e_ref, T_CCD_Globs *globs) |
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233 { |
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234 ULONG repeat; |
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235 UBYTE dig3; |
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236 ULONG cix_ref, num_prolog_steps, prolog_step_ref; |
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237 register UBYTE *digits; |
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238 |
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239 #ifdef DEBUG_CCD |
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240 #ifndef CCD_SYMBOLS |
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241 TRACE_CCD (globs, "cdc_bcd_mnc_encode()"); |
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242 #else |
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243 TRACE_CCD (globs, "cdc_bcd_mnc_encode() %s", ccddata_get_alias((USHORT) e_ref, 1)); |
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244 #endif |
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245 #endif |
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246 |
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247 cix_ref = melem[e_ref].calcIdxRef; |
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248 num_prolog_steps = calcidx[cix_ref].numPrologSteps; |
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249 prolog_step_ref = calcidx[cix_ref].prologStepRef; |
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250 |
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251 /* |
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252 * if this element is conditional, check the condition |
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253 */ |
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254 if (calcidx[cix_ref].numCondCalcs NEQ 0 |
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255 AND ! ccd_conditionOK (e_ref, globs)) |
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256 return 1; |
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257 |
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258 /* |
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259 * if this element have a defined Prolog |
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260 * we have to process it before decoding the bitstream |
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261 */ |
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262 if (num_prolog_steps) |
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263 { |
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264 ccd_performOperations (num_prolog_steps, prolog_step_ref, globs); |
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265 } |
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266 |
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267 /* |
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268 * setup the offset into the C-structure for this element |
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269 */ |
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270 globs->pstructOffs = melem[e_ref].structOffs; |
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271 |
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272 if (melem[e_ref].optional) |
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273 { |
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274 /* |
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275 * for optional elements check the valid-flag |
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276 */ |
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277 if (globs->pstruct[globs->pstructOffs++] == FALSE) |
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278 { |
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279 return 1; |
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280 } |
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281 #ifdef DEBUG_CCD |
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282 else if (globs->pstruct [melem[e_ref].structOffs] != TRUE) |
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283 { |
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284 TRACE_CCD (globs, "Ambiguous value for valid flag!\n...assumed 1 for ccdID=%d", |
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285 e_ref); |
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286 } |
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287 #endif |
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288 } |
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289 |
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290 /* |
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291 * if this element is repeatable, and the number of |
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292 * repeats depends on another element, calculate the repeater |
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293 */ |
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294 if (melem[e_ref].repType EQ 'v' OR melem[e_ref].repType EQ 'i') |
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295 { |
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296 /* |
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297 * for variable sized elements read the amount |
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298 * of repeats out of the C-Structure (c_xxx). |
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299 * If the number of repeats given by the C-Structure |
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300 * exceeds the allowed value (max_repeat) CCD gives a warning! |
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301 */ |
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302 if (melem[e_ref].maxRepeat > 255) |
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303 { |
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304 ULONG count = (ULONG) (* (USHORT *)(globs->pstruct + globs->pstructOffs++)); |
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305 repeat = MINIMUM (count, (ULONG)melem[e_ref].maxRepeat); |
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306 if (repeat < count) |
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307 ccd_recordFault (globs, ERR_MAX_REPEAT, CONTINUE, |
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308 (USHORT) e_ref, globs->pstruct + globs->pstructOffs); |
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309 } |
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310 else |
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311 { |
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312 repeat = (ULONG) MINIMUM (globs->pstruct[globs->pstructOffs], |
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313 melem[e_ref].maxRepeat); |
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314 if ( repeat < (ULONG) (globs->pstruct[globs->pstructOffs]) ) |
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315 ccd_recordFault (globs, ERR_MAX_REPEAT, CONTINUE, |
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316 (USHORT) e_ref, globs->pstruct + globs->pstructOffs); |
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317 } |
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318 |
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319 globs->pstructOffs++; |
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320 } |
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321 else |
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322 if (melem[e_ref].repType EQ 'c') |
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323 repeat = (ULONG) melem[e_ref].maxRepeat; |
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324 else |
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325 repeat = 1; |
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326 |
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327 /* |
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328 * setup the read pointer to the byte array that contain |
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329 * the BCD number. |
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330 */ |
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331 digits = (UBYTE *) (globs->pstruct + globs->pstructOffs); |
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332 |
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333 if (repeat EQ 2) |
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334 dig3 = 0x0f; |
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335 else if (repeat EQ 3) |
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336 dig3 = digits[2]; |
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337 else |
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338 { |
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339 ccd_setError (globs, ERR_INVALID_TYPE, |
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340 BREAK, |
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341 (USHORT) (globs->bitpos), |
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342 (USHORT) -1); |
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343 return 1; |
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344 } |
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345 |
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346 bf_setBitpos ((globs->bitpos-8), globs); |
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347 bf_codeByteNumber (4, dig3, globs); |
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348 bf_incBitpos (4, globs); |
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349 bf_codeByteNumber (4, digits[1], globs); |
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350 bf_codeByteNumber (4, digits[0], globs); |
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351 #ifdef DEBUG_CCD |
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352 TRACE_CCD (globs, "skipping back 8 bits"); |
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353 TRACE_CCD (globs, "BCD digit (%X) written", (USHORT) dig3); |
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354 TRACE_CCD (globs, "skipping 4 bits"); |
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355 TRACE_CCD (globs, "BCD digit (%X) written", (USHORT) digits[1]); |
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356 TRACE_CCD (globs, "BCD digit (%X) written", (USHORT) digits[0]); |
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357 #endif |
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358 |
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359 return 1; |
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360 } |
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361 #endif /* !RUN_INT_RAM */ |