Mercurial > hg > xmms-sid
annotate src/xs_sidplay2.cc @ 744:c7fa50576c70
Initial implementation for supporting libSIDPlay2-FP (or libSIDPlay-FP, as
they seem to call it.) Also removed support for the "old" libSIDPlay2 API,
only supporting the "new" CVS trunk COMI API for the old libSIDPlay2.
We'll see how that goes ..
author | Matti Hamalainen <ccr@tnsp.org> |
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date | Mon, 05 Nov 2012 17:24:16 +0200 |
parents | 9321ffa2ea7e |
children | d9d769b5dbe2 |
rev | line source |
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1 /* |
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2 XMMS-SID - SIDPlay input plugin for X MultiMedia System (XMMS) |
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3 |
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4 libSIDPlay v2 and libSIDPlay v2-FP support |
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5 |
324 | 6 Programmed and designed by Matti 'ccr' Hamalainen <ccr@tnsp.org> |
744
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7 (C) Copyright 1999-2012 Tecnic Software productions (TNSP) |
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8 |
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9 This program is free software; you can redistribute it and/or modify |
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10 it under the terms of the GNU General Public License as published by |
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11 the Free Software Foundation; either version 2 of the License, or |
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12 (at your option) any later version. |
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13 |
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14 This program is distributed in the hope that it will be useful, |
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15 but WITHOUT ANY WARRANTY; without even the implied warranty of |
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16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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17 GNU General Public License for more details. |
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18 |
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19 You should have received a copy of the GNU General Public License along |
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20 with this program; if not, write to the Free Software Foundation, Inc., |
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21 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
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22 */ |
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23 #include "xmms-sid.h" |
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24 |
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25 #ifdef HAVE_SIDPLAY2 |
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26 |
460 | 27 #include <stdio.h> |
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28 #include "xs_sidplay2.h" |
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29 #include "xs_config.h" |
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30 |
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31 |
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32 #ifdef HAVE_SIDPLAY2_FP |
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33 # include <sidplayfp/sidplay2.h> |
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34 # include <sidplayfp/SidTune.h> |
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35 #else |
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36 # include <sidplay/sidplay2.h> |
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37 # include <sidplay/sidlazyiptr.h> |
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38 #endif |
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39 |
695 | 40 class xs_sidplay2_t { |
41 public: | |
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42 #ifdef HAVE_SIDPLAY2_FP |
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43 sidplay2 *currEng; |
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44 sidbuilder *currBuilder; |
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45 #else |
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46 SidIPtr<ISidplay2> currEng; |
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47 SidLazyIPtr<ISidUnknown> currBuilder; |
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48 #endif |
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49 sid2_config_t currConfig; |
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50 SidTune *currTune; |
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51 guint8 *buf; |
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52 size_t bufSize; |
695 | 53 |
54 xs_sidplay2_t(void); | |
55 virtual ~xs_sidplay2_t(void) { ; } | |
56 }; | |
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57 |
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58 |
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59 #ifdef HAVE_RESID_BUILDER |
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60 # ifdef HAVE_SIDPLAY2_FP |
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61 # include <sidplayfp/builders/resid.h> |
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62 # else |
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63 # include <sidplay/builders/resid.h> |
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64 # endif |
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65 #endif |
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66 |
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67 #ifdef HAVE_HARDSID_BUILDER |
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68 # ifdef HAVE_SIDPLAY2_FP |
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69 # include <sidplayfp/builders/hardsid.h> |
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70 # else |
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71 # include <sidplay/builders/hardsid.h> |
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72 # endif |
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73 #endif |
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74 |
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75 |
695 | 76 xs_sidplay2_t::xs_sidplay2_t(void) |
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77 #ifdef HAVE_SIDPLAY2_FP |
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78 :currEng(NULL) |
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79 #else |
695 | 80 :currEng(sidplay2::create()) |
81 #endif | |
82 { | |
83 buf = NULL; | |
84 bufSize = 0; | |
85 currTune = NULL; | |
86 currBuilder = NULL; | |
87 } | |
88 | |
89 | |
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90 /* We need to 'export' all this pseudo-C++ crap */ |
396 | 91 extern "C" { |
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92 |
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93 |
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94 /* Return song information |
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95 */ |
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96 #define TFUNCTION xs_sidplay2_getinfo |
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97 #define TFUNCTION2 xs_sidplay2_updateinfo |
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98 #define TTUNEINFO SidTuneInfo |
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99 #define TTUNE SidTune |
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100 #define TENGINE xs_sidplay2_t |
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101 #include "xs_sidplay.h" |
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102 |
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103 |
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104 /* Check if we can play the given file |
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105 */ |
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106 gboolean xs_sidplay2_probe(xs_file_t *f) |
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107 { |
702 | 108 gchar tmpBuf[5]; |
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109 |
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110 if (!f) return FALSE; |
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111 |
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112 if (xs_fread(tmpBuf, sizeof(gchar), 4, f) != 4) |
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113 return FALSE; |
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114 |
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115 if (!strncmp(tmpBuf, "PSID", 4) || !strncmp(tmpBuf, "RSID", 4)) |
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116 return TRUE; |
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117 else |
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118 return FALSE; |
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119 } |
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120 |
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121 |
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122 /* Initialize SIDPlay2 |
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123 */ |
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124 gboolean xs_sidplay2_init(xs_status_t * myStatus) |
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125 { |
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126 gint tmpFreq, i; |
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127 xs_sidplay2_t *myEngine; |
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128 sid_filter_t tmpFilter; |
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129 xs_sid_filter_t *f; |
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130 assert(myStatus); |
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131 |
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132 /* Allocate internal structures */ |
695 | 133 myEngine = new xs_sidplay2_t(); |
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134 myStatus->sidEngine = myEngine; |
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135 if (!myEngine) return FALSE; |
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136 |
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137 /* Initialize the engine */ |
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138 #ifdef HAVE_SIDPLAY2_FP |
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139 myEngine->currEng = new sidplay2; |
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140 #endif |
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141 if (!myEngine->currEng) { |
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142 xs_error("[SIDPlay2] Could not initialize emulation engine.\n"); |
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143 return FALSE; |
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144 } |
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145 |
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146 /* Get current configuration */ |
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147 myEngine->currConfig = myEngine->currEng->config(); |
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148 |
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149 /* Configure channels and stuff */ |
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150 switch (myStatus->audioChannels) { |
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151 case XS_CHN_AUTOPAN: |
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152 myEngine->currConfig.playback = sid2_stereo; |
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153 break; |
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154 |
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155 case XS_CHN_STEREO: |
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156 myEngine->currConfig.playback = sid2_stereo; |
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157 break; |
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158 |
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159 case XS_CHN_MONO: |
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160 default: |
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161 myEngine->currConfig.playback = sid2_mono; |
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162 myStatus->audioChannels = XS_CHN_MONO; |
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163 break; |
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164 } |
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165 |
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166 |
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167 /* Memory mode settings */ |
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168 switch (xs_cfg.memoryMode) { |
744
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169 case XS_MPU_BANK_SWITCHING: |
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170 myEngine->currConfig.environment = sid2_envBS; |
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171 break; |
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172 |
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173 case XS_MPU_TRANSPARENT_ROM: |
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174 myEngine->currConfig.environment = sid2_envTP; |
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175 break; |
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176 |
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177 case XS_MPU_PLAYSID_ENVIRONMENT: |
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178 myEngine->currConfig.environment = sid2_envPS; |
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179 break; |
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180 |
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181 case XS_MPU_REAL: |
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182 default: |
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183 myEngine->currConfig.environment = sid2_envR; |
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184 xs_cfg.memoryMode = XS_MPU_REAL; |
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185 break; |
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186 } |
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187 |
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188 |
660
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189 /* Audio parameters sanity checking and setup */ |
744
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190 tmpFreq = myStatus->audioFrequency; |
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191 #ifndef HAVE_SIDPLAY2_FP |
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192 myEngine->currConfig.precision = myStatus->audioBitsPerSample; |
364
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193 |
660
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194 if (myStatus->oversampleEnable) |
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195 tmpFreq = (tmpFreq * myStatus->oversampleFactor); |
364
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196 |
744
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197 #else |
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198 myStatus->audioBitsPerSample = XS_RES_16BIT; |
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199 myEngine->currConfig.samplingMethod = SID2_RESAMPLE_INTERPOLATE; |
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200 #endif |
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201 |
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202 myEngine->currConfig.frequency = tmpFreq; |
74 | 203 |
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204 switch (myStatus->audioBitsPerSample) { |
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205 case XS_RES_8BIT: |
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206 myStatus->audioFormat = FMT_U8; |
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207 #ifndef HAVE_SIDPLAY2_FP |
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208 myEngine->currConfig.sampleFormat = SID2_LITTLE_UNSIGNED; |
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209 #endif |
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210 break; |
127
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211 |
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212 case XS_RES_16BIT: |
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213 default: |
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214 myStatus->audioFormat = FMT_S16_NE; |
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215 #ifndef HAVE_SIDPLAY2_FP |
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216 switch (myStatus->audioFormat) { |
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217 case FMT_U16_LE: |
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218 myEngine->currConfig.sampleFormat = SID2_LITTLE_UNSIGNED; |
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219 break; |
127
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220 |
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221 case FMT_U16_BE: |
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222 myEngine->currConfig.sampleFormat = SID2_BIG_UNSIGNED; |
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223 break; |
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224 |
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225 case FMT_U16_NE: |
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226 #if G_BYTE_ORDER == G_BIG_ENDIAN |
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227 myEngine->currConfig.sampleFormat = SID2_BIG_UNSIGNED; |
74 | 228 #else |
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229 #if G_BYTE_ORDER == G_LITTLE_ENDIAN |
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230 myEngine->currConfig.sampleFormat = SID2_LITTLE_UNSIGNED; |
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231 #else |
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232 #error Unsupported endianess! |
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233 #endif |
74 | 234 #endif |
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235 break; |
359
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236 |
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237 case FMT_S16_LE: |
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238 myEngine->currConfig.sampleFormat = SID2_LITTLE_SIGNED; |
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239 break; |
359
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240 |
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241 case FMT_S16_BE: |
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242 myEngine->currConfig.sampleFormat = SID2_BIG_SIGNED; |
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243 break; |
127
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244 |
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245 default: |
657
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246 #if G_BYTE_ORDER == G_BIG_ENDIAN |
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247 myEngine->currConfig.sampleFormat = SID2_BIG_SIGNED; |
359
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248 #else |
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249 #if G_BYTE_ORDER == G_LITTLE_ENDIAN |
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250 myEngine->currConfig.sampleFormat = SID2_LITTLE_SIGNED; |
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251 #else |
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252 #error Unsupported endianess! |
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253 #endif |
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254 #endif |
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255 break; |
127
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256 |
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257 } |
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258 #endif |
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259 break; |
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260 } |
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261 |
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262 /* Convert filter */ |
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263 f = &(xs_cfg.sid2Filter); |
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264 XSDEBUG("using filter '%s', %d points\n", f->name, f->npoints); |
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265 if (f->npoints > XS_SIDPLAY2_NFPOINTS) { |
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266 xs_error("[SIDPlay2] Invalid number of filter curve points (%d > %d)\n", |
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267 f->npoints, XS_SIDPLAY2_NFPOINTS); |
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268 f->npoints = XS_SIDPLAY2_NFPOINTS; |
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269 } |
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270 |
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271 tmpFilter.points = f->npoints; |
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272 for (i = 0; i < f->npoints; i++) { |
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273 tmpFilter.cutoff[i][0] = f->points[i].x; |
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274 tmpFilter.cutoff[i][1] = f->points[i].y; |
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275 } |
352 | 276 |
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277 /* Initialize builder object */ |
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278 XSDEBUG("init builder #%i, maxsids=%i\n", xs_cfg.sid2Builder, (myEngine->currEng->info()).maxsids); |
364
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279 #ifdef HAVE_RESID_BUILDER |
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280 if (xs_cfg.sid2Builder == XS_BLD_RESID) { |
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281 #ifdef HAVE_SIDPLAY2_FP |
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282 ReSIDBuilder *rs = new ReSIDBuilder("ReSID builder"); |
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283 myEngine->currBuilder = (sidbuilder *) rs; |
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284 if (rs) { |
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285 #else |
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286 myEngine->currBuilder = ReSIDBuilderCreate(""); |
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287 SidLazyIPtr<IReSIDBuilder> rs(myEngine->currBuilder); |
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288 if (rs) { |
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289 myEngine->currConfig.sidEmulation = rs->iaggregate(); |
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290 #endif |
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291 /* Builder object created, initialize it */ |
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292 rs->create((myEngine->currEng->info()).maxsids); |
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293 if (!*rs) { |
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294 xs_error("reSID->create() failed.\n"); |
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295 return FALSE; |
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296 } |
359
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297 |
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298 rs->filter(xs_cfg.emulateFilters); |
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299 if (!*rs) { |
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300 xs_error("reSID->filter(%d) failed.\n", xs_cfg.emulateFilters); |
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301 return FALSE; |
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302 } |
359
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303 |
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304 #if !defined(HAVE_SIDPLAY2_FP) |
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305 // FIXME FIX ME: support other configurable parameters ... |
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306 // ... WHEN/IF resid-builder+libsidplay2 gets fixed |
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307 rs->sampling(tmpFreq); |
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308 if (!*rs) { |
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309 xs_error("reSID->sampling(%d) failed.\n", tmpFreq); |
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310 return FALSE; |
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311 } |
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312 if (tmpFilter.points > 0) |
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313 rs->filter((sid_filter_t *) &tmpFilter); |
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314 else |
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315 #endif |
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316 rs->filter((sid_filter_t *) NULL); |
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317 |
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318 if (!*rs) { |
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319 xs_error("reSID->filter(NULL) failed.\n"); |
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320 return FALSE; |
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321 } |
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322 } |
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323 } |
321
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324 #endif |
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325 |
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326 #ifdef HAVE_HARDSID_BUILDER |
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327 if (xs_cfg.sid2Builder == XS_BLD_HARDSID) { |
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328 #ifdef HAVE_SIDPLAY2_FP |
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329 HardSIDBuilder *hs = new HardSIDBuilder("HardSID builder"); |
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330 myEngine->currBuilder = (sidbuilder *) hs; |
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331 if (hs) { |
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332 #else |
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333 myEngine->currBuilder = HardSIDBuilderCreate(""); |
693 | 334 SidLazyIPtr<IHardSIDBuilder> hs(myEngine->currBuilder); |
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335 if (hs) { |
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336 myEngine->currConfig.sidEmulation = hs->iaggregate(); |
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337 #endif |
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338 /* Builder object created, initialize it */ |
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339 hs->create((myEngine->currEng->info()).maxsids); |
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340 if (!*hs) { |
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341 xs_error("hardSID->create() failed.\n"); |
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342 return FALSE; |
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343 } |
359
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344 |
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345 hs->filter(xs_cfg.emulateFilters); |
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346 if (!*hs) { |
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347 xs_error("hardSID->filter(%d) failed.\n", xs_cfg.emulateFilters); |
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348 return FALSE; |
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349 } |
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350 } |
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351 } |
321
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352 #endif |
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353 |
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354 if (!myEngine->currBuilder) { |
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355 xs_error("[SIDPlay2] Could not initialize SIDBuilder object.\n"); |
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356 return FALSE; |
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357 } |
321
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358 |
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359 #ifdef HAVE_SIDPLAY2_FP |
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360 myEngine->currConfig.sidEmulation = myEngine->currBuilder; |
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361 XSDEBUG("%s\n", myEngine->currBuilder->credits()); |
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362 #endif |
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363 |
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364 /* Clockspeed settings */ |
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365 switch (xs_cfg.clockSpeed) { |
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366 case XS_CLOCK_NTSC: |
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367 myEngine->currConfig.clockDefault = SID2_CLOCK_NTSC; |
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368 break; |
366
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369 |
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370 default: |
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371 xs_error("[SIDPlay2] Invalid clockSpeed=%d, falling back to PAL.\n", |
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372 xs_cfg.clockSpeed); |
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373 |
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374 case XS_CLOCK_PAL: |
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375 myEngine->currConfig.clockDefault = SID2_CLOCK_PAL; |
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376 xs_cfg.clockSpeed = XS_CLOCK_PAL; |
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377 break; |
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378 } |
366
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379 |
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380 |
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381 /* Configure rest of the emulation */ |
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382 if (xs_cfg.forceSpeed) { |
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383 myEngine->currConfig.clockForced = true; |
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384 myEngine->currConfig.clockSpeed = myEngine->currConfig.clockDefault; |
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385 } else { |
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386 myEngine->currConfig.clockForced = false; |
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387 myEngine->currConfig.clockSpeed = SID2_CLOCK_CORRECT; |
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388 } |
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389 |
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390 |
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391 #if !defined(HAVE_SIDPLAY2_FP) |
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392 if ((xs_cfg.sid2OptLevel >= 0) && (xs_cfg.sid2OptLevel <= SID2_MAX_OPTIMISATION)) |
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393 myEngine->currConfig.optimisation = xs_cfg.sid2OptLevel; |
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394 else { |
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395 xs_error("Invalid sid2OptLevel=%d, falling back to %d.\n", |
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396 xs_cfg.sid2OptLevel, SID2_DEFAULT_OPTIMISATION); |
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397 |
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398 xs_cfg.sid2OptLevel = |
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399 myEngine->currConfig.optimisation = SID2_DEFAULT_OPTIMISATION; |
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400 } |
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401 #endif |
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402 |
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403 if (xs_cfg.mos8580) |
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404 myEngine->currConfig.sidDefault = SID2_MOS8580; |
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405 else |
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406 myEngine->currConfig.sidDefault = SID2_MOS6581; |
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407 |
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408 if (xs_cfg.forceModel) |
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409 myEngine->currConfig.sidModel = myEngine->currConfig.sidDefault; |
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410 else |
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411 myEngine->currConfig.sidModel = SID2_MODEL_CORRECT; |
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412 |
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413 /* XXX: Should this be configurable? libSIDPlay1 does not support it, though */ |
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414 myEngine->currConfig.sidSamples = TRUE; |
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415 |
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416 |
660
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417 /* Now set the emulator configuration */ |
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418 if (myEngine->currEng->config(myEngine->currConfig) < 0) { |
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419 xs_error("[SIDPlay2] Emulator engine configuration failed!\n"); |
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420 return FALSE; |
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421 } |
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422 |
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423 /* Create the sidtune */ |
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424 myEngine->currTune = new SidTune(0); |
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425 if (!myEngine->currTune) { |
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426 xs_error("[SIDPlay2] Could not initialize SIDTune object.\n"); |
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427 return FALSE; |
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428 } |
359
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429 |
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430 return TRUE; |
364
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431 } |
73
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432 |
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433 |
270
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434 /* Close SIDPlay2 engine |
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435 */ |
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436 void xs_sidplay2_close(xs_status_t * myStatus) |
364
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437 { |
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438 xs_sidplay2_t *myEngine; |
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439 assert(myStatus); |
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440 |
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441 myEngine = (xs_sidplay2_t *) myStatus->sidEngine; |
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442 |
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443 /* Free internals */ |
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444 if (myEngine->currBuilder) { |
744
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445 #ifdef HAVE_SIDPLAY2_FP |
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446 delete myEngine->currBuilder; |
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447 #endif |
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448 myEngine->currBuilder = NULL; |
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449 } |
270
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450 |
744
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451 #ifdef HAVE_SIDPLAY2_FP |
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452 if (myEngine->currEng) { |
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453 delete myEngine->currEng; |
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454 myEngine->currEng = NULL; |
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455 } |
692
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456 #endif |
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457 |
660
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458 if (myEngine->currTune) { |
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459 delete myEngine->currTune; |
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460 myEngine->currTune = NULL; |
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461 } |
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462 |
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463 xs_sidplay2_delete(myStatus); |
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464 |
695 | 465 delete myEngine; |
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466 myStatus->sidEngine = NULL; |
364
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467 } |
270
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468 |
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469 |
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470 /* Initialize current song and sub-tune |
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471 */ |
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472 gboolean xs_sidplay2_initsong(xs_status_t * myStatus) |
364
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473 { |
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474 xs_sidplay2_t *myEngine; |
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475 assert(myStatus); |
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476 |
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477 myEngine = (xs_sidplay2_t *) myStatus->sidEngine; |
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478 if (!myEngine) return FALSE; |
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479 |
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480 if (!myEngine->currTune->selectSong(myStatus->currSong)) { |
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481 xs_error("[SIDPlay2] currTune->selectSong() failed\n"); |
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482 return FALSE; |
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483 } |
359
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484 |
660
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485 if (myEngine->currEng->load(myEngine->currTune) < 0) { |
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486 xs_error("[SIDPlay2] currEng->load() failed\n"); |
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487 return FALSE; |
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488 } |
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489 |
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490 myStatus->isInitialized = TRUE; |
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491 |
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492 return TRUE; |
364
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493 } |
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494 |
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495 |
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496 /* Emulate and render audio data to given buffer |
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497 */ |
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498 guint xs_sidplay2_fillbuffer(xs_status_t * myStatus, gchar * audioBuffer, guint audioBufSize) |
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499 { |
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500 xs_sidplay2_t *myEngine; |
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501 assert(myStatus); |
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502 |
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503 myEngine = (xs_sidplay2_t *) myStatus->sidEngine; |
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504 if (!myEngine) return 0; |
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505 |
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506 return myEngine->currEng->play((short *) audioBuffer, audioBufSize / sizeof(short)); |
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507 } |
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508 |
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509 |
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510 /* Load a given SID-tune file |
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511 */ |
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512 gboolean xs_sidplay2_load(xs_status_t * myStatus, gchar * pcFilename) |
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513 { |
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514 xs_sidplay2_t *myEngine; |
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515 assert(myStatus); |
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516 myStatus->isInitialized = FALSE; |
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517 |
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518 myEngine = (xs_sidplay2_t *) myStatus->sidEngine; |
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519 if (!myEngine) return FALSE; |
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520 |
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521 /* Try to get the tune */ |
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522 if (!pcFilename) return FALSE; |
367 | 523 |
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524 if (xs_fload_buffer(pcFilename, &(myEngine->buf), &(myEngine->bufSize)) != 0) |
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525 return FALSE; |
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526 |
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527 if (!myEngine->currTune->read(myEngine->buf, myEngine->bufSize)) |
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528 return FALSE; |
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529 |
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530 return TRUE; |
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531 } |
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532 |
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533 |
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534 /* Delete INTERNAL information |
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535 */ |
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536 void xs_sidplay2_delete(xs_status_t * myStatus) |
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537 { |
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538 xs_sidplay2_t *myEngine; |
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539 assert(myStatus); |
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540 |
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541 myEngine = (xs_sidplay2_t *) myStatus->sidEngine; |
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542 if (!myEngine) return; |
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543 |
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544 g_free(myEngine->buf); |
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545 myEngine->buf = NULL; |
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546 myEngine->bufSize = 0; |
526
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547 } |
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548 |
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549 |
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550 /* Hardware backend flushing |
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551 */ |
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552 void xs_sidplay2_flush(xs_status_t * myStatus) |
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553 { |
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554 assert(myStatus); |
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555 |
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556 #ifdef HAVE_HARDSID_BUILDER |
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557 #ifdef HSID_SID2_COM |
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558 IfPtr<HardSIDBuilder> hs(myStatus->currBuilder); |
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559 if (hs) |
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560 hs->flush(); |
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561 #else |
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562 if (xs_cfg.sid2Builder == XS_BLD_HARDSID) |
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563 ((HardSIDBuilder *) myStatus->currBuilder)->flush(); |
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564 #endif |
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565 #endif |
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566 } |
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567 |
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568 |
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569 } /* extern "C" */ |
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570 #endif /* HAVE_SIDPLAY2 */ |