FreeCalypso > hg > fc-magnetite
annotate src/gpf3/ccd/bcd_mnc.c @ 701:35e7f9d0379f
targets: add TARGET_HAS_BUZZER to c11x, c139 and dsample
This new target config preprocessor symbol was introduced in Tourmaline
in connection with the new approach to playing buzzer melodies via PWT,
properly omitting the responsible code on targets where BU output
controls the vibrator instead. That code is not present in Magnetite
and we have no plans to backport it here, but target header files
should be kept consistent between the two trees, especially given
that we plan to support FC Venus target in Magnetite.
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Sat, 26 Mar 2022 19:51:34 +0000 |
parents | c41a534f33c6 |
children |
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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changeset
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108 { |
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parents:
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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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parents:
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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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parents:
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119 } |
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parents:
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120 else |
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parents:
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121 { |
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122 repeat = 1; |
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parents:
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123 is_variable = FALSE; |
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parents:
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124 } |
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parents:
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125 |
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parents:
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126 /* |
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127 * setup the offset into the C-structure for this element |
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parents:
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128 */ |
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129 globs->pstructOffs = melem[e_ref].structOffs; |
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parents:
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130 |
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131 if (melem[e_ref].optional) |
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parents:
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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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parents:
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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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parents:
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138 |
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parents:
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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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parents:
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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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parents:
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|
145 } |
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parents:
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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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parents:
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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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parents:
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|
160 |
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parents:
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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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parents:
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|
164 */ |
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|
165 digBuffer[2] = bf_decodeByteNumber (4, globs); |
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parents:
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|
166 bf_incBitpos (4, globs); |
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parents:
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|
167 |
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parents:
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|
168 digBuffer[1] = bf_decodeByteNumber (4, globs); |
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parents:
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|
169 digBuffer[0] = bf_decodeByteNumber (4, globs); |
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parents:
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|
170 |
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|
171 if (addr_c_xxx NEQ NULL) |
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parents:
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|
172 { |
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parents:
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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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|
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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parents:
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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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parents:
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|
191 *addr_c_xxx = (UBYTE) repeat; |
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parents:
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|
192 } |
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|
193 else |
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|
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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parents:
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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
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|
213 #ifndef RUN_INT_RAM |
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parents:
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|
214 /* |
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parents:
diff
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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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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 */ |