Mercurial > hg > xmms-sid
annotate src/xs_sidplay2.cc @ 748:d9d769b5dbe2
Remove oversampling support.
author | Matti Hamalainen <ccr@tnsp.org> |
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date | Mon, 05 Nov 2012 17:51:08 +0200 |
parents | c7fa50576c70 |
children | 55eea3fa8868 |
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> |
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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 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; |
75
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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 } |
75
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145 |
660
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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; |
73
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154 |
744
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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 |
744
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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 |
660
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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; |
73
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172 |
744
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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; |
73
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176 |
744
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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; |
73
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180 |
744
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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 */ |
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190 #ifndef HAVE_SIDPLAY2_FP |
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191 myEngine->currConfig.precision = myStatus->audioBitsPerSample; |
364
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192 |
744
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193 #else |
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194 myStatus->audioBitsPerSample = XS_RES_16BIT; |
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195 myEngine->currConfig.samplingMethod = SID2_RESAMPLE_INTERPOLATE; |
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196 #endif |
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197 |
748
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198 myEngine->currConfig.frequency = myStatus->audioFrequency; |
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199 |
74 | 200 |
660
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201 switch (myStatus->audioBitsPerSample) { |
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202 case XS_RES_8BIT: |
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203 myStatus->audioFormat = FMT_U8; |
744
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204 #ifndef HAVE_SIDPLAY2_FP |
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205 myEngine->currConfig.sampleFormat = SID2_LITTLE_UNSIGNED; |
744
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206 #endif |
660
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|
207 break; |
127
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208 |
660
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209 case XS_RES_16BIT: |
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210 default: |
744
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211 myStatus->audioFormat = FMT_S16_NE; |
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|
212 #ifndef HAVE_SIDPLAY2_FP |
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213 switch (myStatus->audioFormat) { |
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214 case FMT_U16_LE: |
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215 myEngine->currConfig.sampleFormat = SID2_LITTLE_UNSIGNED; |
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|
216 break; |
127
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|
217 |
660
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218 case FMT_U16_BE: |
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219 myEngine->currConfig.sampleFormat = SID2_BIG_UNSIGNED; |
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|
220 break; |
127
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221 |
660
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222 case FMT_U16_NE: |
657
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223 #if G_BYTE_ORDER == G_BIG_ENDIAN |
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224 myEngine->currConfig.sampleFormat = SID2_BIG_UNSIGNED; |
74 | 225 #else |
657
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226 #if G_BYTE_ORDER == G_LITTLE_ENDIAN |
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227 myEngine->currConfig.sampleFormat = SID2_LITTLE_UNSIGNED; |
657
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228 #else |
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229 #error Unsupported endianess! |
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230 #endif |
74 | 231 #endif |
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232 break; |
359
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233 |
660
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234 case FMT_S16_LE: |
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235 myEngine->currConfig.sampleFormat = SID2_LITTLE_SIGNED; |
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236 break; |
359
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237 |
660
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238 case FMT_S16_BE: |
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239 myEngine->currConfig.sampleFormat = SID2_BIG_SIGNED; |
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240 break; |
127
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241 |
660
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242 default: |
657
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243 #if G_BYTE_ORDER == G_BIG_ENDIAN |
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244 myEngine->currConfig.sampleFormat = SID2_BIG_SIGNED; |
359
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245 #else |
657
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246 #if G_BYTE_ORDER == G_LITTLE_ENDIAN |
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247 myEngine->currConfig.sampleFormat = SID2_LITTLE_SIGNED; |
657
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248 #else |
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|
249 #error Unsupported endianess! |
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250 #endif |
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251 #endif |
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252 break; |
127
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253 |
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254 } |
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255 #endif |
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256 break; |
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257 } |
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258 |
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259 /* Convert filter */ |
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260 f = &(xs_cfg.sid2Filter); |
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261 XSDEBUG("using filter '%s', %d points\n", f->name, f->npoints); |
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262 if (f->npoints > XS_SIDPLAY2_NFPOINTS) { |
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263 xs_error("[SIDPlay2] Invalid number of filter curve points (%d > %d)\n", |
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264 f->npoints, XS_SIDPLAY2_NFPOINTS); |
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265 f->npoints = XS_SIDPLAY2_NFPOINTS; |
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266 } |
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267 |
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268 tmpFilter.points = f->npoints; |
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269 for (i = 0; i < f->npoints; i++) { |
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270 tmpFilter.cutoff[i][0] = f->points[i].x; |
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271 tmpFilter.cutoff[i][1] = f->points[i].y; |
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272 } |
352 | 273 |
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274 /* Initialize builder object */ |
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275 XSDEBUG("init builder #%i, maxsids=%i\n", xs_cfg.sid2Builder, (myEngine->currEng->info()).maxsids); |
364
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276 #ifdef HAVE_RESID_BUILDER |
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277 if (xs_cfg.sid2Builder == XS_BLD_RESID) { |
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278 #ifdef HAVE_SIDPLAY2_FP |
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279 ReSIDBuilder *rs = new ReSIDBuilder("ReSID builder"); |
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280 myEngine->currBuilder = (sidbuilder *) rs; |
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281 if (rs) { |
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282 #else |
692
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283 myEngine->currBuilder = ReSIDBuilderCreate(""); |
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284 SidLazyIPtr<IReSIDBuilder> rs(myEngine->currBuilder); |
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285 if (rs) { |
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286 myEngine->currConfig.sidEmulation = rs->iaggregate(); |
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287 #endif |
660
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288 /* Builder object created, initialize it */ |
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289 rs->create((myEngine->currEng->info()).maxsids); |
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290 if (!*rs) { |
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291 xs_error("reSID->create() failed.\n"); |
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292 return FALSE; |
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293 } |
359
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294 |
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295 rs->filter(xs_cfg.emulateFilters); |
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296 if (!*rs) { |
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297 xs_error("reSID->filter(%d) failed.\n", xs_cfg.emulateFilters); |
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298 return FALSE; |
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299 } |
359
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300 |
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301 #if !defined(HAVE_SIDPLAY2_FP) |
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302 // FIXME FIX ME: support other configurable parameters ... |
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303 // ... WHEN/IF resid-builder+libsidplay2 gets fixed |
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304 rs->sampling(tmpFreq); |
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305 if (!*rs) { |
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306 xs_error("reSID->sampling(%d) failed.\n", tmpFreq); |
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307 return FALSE; |
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308 } |
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309 if (tmpFilter.points > 0) |
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310 rs->filter((sid_filter_t *) &tmpFilter); |
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311 else |
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312 #endif |
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313 rs->filter((sid_filter_t *) NULL); |
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314 |
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315 if (!*rs) { |
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316 xs_error("reSID->filter(NULL) failed.\n"); |
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317 return FALSE; |
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318 } |
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319 } |
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320 } |
321
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321 #endif |
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322 |
321
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323 #ifdef HAVE_HARDSID_BUILDER |
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324 if (xs_cfg.sid2Builder == XS_BLD_HARDSID) { |
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325 #ifdef HAVE_SIDPLAY2_FP |
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326 HardSIDBuilder *hs = new HardSIDBuilder("HardSID builder"); |
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327 myEngine->currBuilder = (sidbuilder *) hs; |
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328 if (hs) { |
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329 #else |
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330 myEngine->currBuilder = HardSIDBuilderCreate(""); |
693 | 331 SidLazyIPtr<IHardSIDBuilder> hs(myEngine->currBuilder); |
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332 if (hs) { |
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333 myEngine->currConfig.sidEmulation = hs->iaggregate(); |
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334 #endif |
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335 /* Builder object created, initialize it */ |
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336 hs->create((myEngine->currEng->info()).maxsids); |
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337 if (!*hs) { |
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338 xs_error("hardSID->create() failed.\n"); |
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339 return FALSE; |
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340 } |
359
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341 |
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342 hs->filter(xs_cfg.emulateFilters); |
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343 if (!*hs) { |
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344 xs_error("hardSID->filter(%d) failed.\n", xs_cfg.emulateFilters); |
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345 return FALSE; |
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346 } |
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347 } |
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348 } |
321
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349 #endif |
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350 |
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351 if (!myEngine->currBuilder) { |
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352 xs_error("[SIDPlay2] Could not initialize SIDBuilder object.\n"); |
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353 return FALSE; |
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354 } |
321
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355 |
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356 #ifdef HAVE_SIDPLAY2_FP |
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357 myEngine->currConfig.sidEmulation = myEngine->currBuilder; |
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358 XSDEBUG("%s\n", myEngine->currBuilder->credits()); |
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359 #endif |
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360 |
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361 /* Clockspeed settings */ |
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362 switch (xs_cfg.clockSpeed) { |
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363 case XS_CLOCK_NTSC: |
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364 myEngine->currConfig.clockDefault = SID2_CLOCK_NTSC; |
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365 break; |
366
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366 |
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367 default: |
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368 xs_error("[SIDPlay2] Invalid clockSpeed=%d, falling back to PAL.\n", |
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369 xs_cfg.clockSpeed); |
402
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370 |
660
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371 case XS_CLOCK_PAL: |
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372 myEngine->currConfig.clockDefault = SID2_CLOCK_PAL; |
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373 xs_cfg.clockSpeed = XS_CLOCK_PAL; |
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374 break; |
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375 } |
366
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376 |
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377 |
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378 /* Configure rest of the emulation */ |
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379 if (xs_cfg.forceSpeed) { |
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380 myEngine->currConfig.clockForced = true; |
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381 myEngine->currConfig.clockSpeed = myEngine->currConfig.clockDefault; |
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382 } else { |
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383 myEngine->currConfig.clockForced = false; |
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384 myEngine->currConfig.clockSpeed = SID2_CLOCK_CORRECT; |
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385 } |
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386 |
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387 |
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388 #if !defined(HAVE_SIDPLAY2_FP) |
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389 if ((xs_cfg.sid2OptLevel >= 0) && (xs_cfg.sid2OptLevel <= SID2_MAX_OPTIMISATION)) |
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390 myEngine->currConfig.optimisation = xs_cfg.sid2OptLevel; |
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391 else { |
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392 xs_error("Invalid sid2OptLevel=%d, falling back to %d.\n", |
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393 xs_cfg.sid2OptLevel, SID2_DEFAULT_OPTIMISATION); |
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394 |
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395 xs_cfg.sid2OptLevel = |
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396 myEngine->currConfig.optimisation = SID2_DEFAULT_OPTIMISATION; |
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397 } |
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398 #endif |
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399 |
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400 if (xs_cfg.mos8580) |
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401 myEngine->currConfig.sidDefault = SID2_MOS8580; |
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402 else |
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403 myEngine->currConfig.sidDefault = SID2_MOS6581; |
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404 |
660
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405 if (xs_cfg.forceModel) |
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406 myEngine->currConfig.sidModel = myEngine->currConfig.sidDefault; |
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407 else |
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408 myEngine->currConfig.sidModel = SID2_MODEL_CORRECT; |
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409 |
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410 /* XXX: Should this be configurable? libSIDPlay1 does not support it, though */ |
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411 myEngine->currConfig.sidSamples = TRUE; |
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412 |
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413 |
660
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414 /* Now set the emulator configuration */ |
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415 if (myEngine->currEng->config(myEngine->currConfig) < 0) { |
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416 xs_error("[SIDPlay2] Emulator engine configuration failed!\n"); |
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417 return FALSE; |
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418 } |
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419 |
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420 /* Create the sidtune */ |
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421 myEngine->currTune = new SidTune(0); |
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422 if (!myEngine->currTune) { |
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423 xs_error("[SIDPlay2] Could not initialize SIDTune object.\n"); |
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424 return FALSE; |
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425 } |
359
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426 |
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427 return TRUE; |
364
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428 } |
73
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429 |
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430 |
270
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431 /* Close SIDPlay2 engine |
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432 */ |
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433 void xs_sidplay2_close(xs_status_t * myStatus) |
364
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434 { |
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435 xs_sidplay2_t *myEngine; |
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436 assert(myStatus); |
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437 |
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438 myEngine = (xs_sidplay2_t *) myStatus->sidEngine; |
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439 |
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440 /* Free internals */ |
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441 if (myEngine->currBuilder) { |
744
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442 #ifdef HAVE_SIDPLAY2_FP |
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443 delete myEngine->currBuilder; |
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444 #endif |
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445 myEngine->currBuilder = NULL; |
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446 } |
270
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447 |
744
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448 #ifdef HAVE_SIDPLAY2_FP |
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449 if (myEngine->currEng) { |
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450 delete myEngine->currEng; |
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451 myEngine->currEng = NULL; |
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452 } |
692
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453 #endif |
270
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454 |
660
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455 if (myEngine->currTune) { |
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456 delete myEngine->currTune; |
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457 myEngine->currTune = NULL; |
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458 } |
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459 |
660
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460 xs_sidplay2_delete(myStatus); |
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461 |
695 | 462 delete myEngine; |
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463 myStatus->sidEngine = NULL; |
364
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464 } |
270
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465 |
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466 |
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467 /* Initialize current song and sub-tune |
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468 */ |
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469 gboolean xs_sidplay2_initsong(xs_status_t * myStatus) |
364
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470 { |
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471 xs_sidplay2_t *myEngine; |
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472 assert(myStatus); |
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473 |
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474 myEngine = (xs_sidplay2_t *) myStatus->sidEngine; |
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475 if (!myEngine) return FALSE; |
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476 |
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477 if (!myEngine->currTune->selectSong(myStatus->currSong)) { |
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478 xs_error("[SIDPlay2] currTune->selectSong() failed\n"); |
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479 return FALSE; |
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480 } |
359
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481 |
660
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482 if (myEngine->currEng->load(myEngine->currTune) < 0) { |
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483 xs_error("[SIDPlay2] currEng->load() failed\n"); |
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484 return FALSE; |
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485 } |
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486 |
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487 myStatus->isInitialized = TRUE; |
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488 |
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489 return TRUE; |
364
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490 } |
270
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491 |
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492 |
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493 /* Emulate and render audio data to given buffer |
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494 */ |
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495 guint xs_sidplay2_fillbuffer(xs_status_t * myStatus, gchar * audioBuffer, guint audioBufSize) |
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496 { |
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497 xs_sidplay2_t *myEngine; |
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498 assert(myStatus); |
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499 |
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500 myEngine = (xs_sidplay2_t *) myStatus->sidEngine; |
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501 if (!myEngine) return 0; |
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502 |
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503 return myEngine->currEng->play((short *) audioBuffer, audioBufSize / sizeof(short)); |
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504 } |
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505 |
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506 |
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507 /* Load a given SID-tune file |
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508 */ |
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509 gboolean xs_sidplay2_load(xs_status_t * myStatus, gchar * pcFilename) |
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510 { |
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511 xs_sidplay2_t *myEngine; |
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512 assert(myStatus); |
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513 myStatus->isInitialized = FALSE; |
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514 |
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515 myEngine = (xs_sidplay2_t *) myStatus->sidEngine; |
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516 if (!myEngine) return FALSE; |
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517 |
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518 /* Try to get the tune */ |
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519 if (!pcFilename) return FALSE; |
367 | 520 |
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521 if (xs_fload_buffer(pcFilename, &(myEngine->buf), &(myEngine->bufSize)) != 0) |
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522 return FALSE; |
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523 |
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524 if (!myEngine->currTune->read(myEngine->buf, myEngine->bufSize)) |
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525 return FALSE; |
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526 |
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527 return TRUE; |
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528 } |
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529 |
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530 |
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531 /* Delete INTERNAL information |
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532 */ |
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533 void xs_sidplay2_delete(xs_status_t * myStatus) |
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534 { |
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535 xs_sidplay2_t *myEngine; |
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536 assert(myStatus); |
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537 |
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538 myEngine = (xs_sidplay2_t *) myStatus->sidEngine; |
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539 if (!myEngine) return; |
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540 |
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541 g_free(myEngine->buf); |
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542 myEngine->buf = NULL; |
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543 myEngine->bufSize = 0; |
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544 } |
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545 |
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546 |
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547 /* Hardware backend flushing |
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548 */ |
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549 void xs_sidplay2_flush(xs_status_t * myStatus) |
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550 { |
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551 assert(myStatus); |
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552 |
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553 #ifdef HAVE_HARDSID_BUILDER |
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554 #ifdef HSID_SID2_COM |
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555 IfPtr<HardSIDBuilder> hs(myStatus->currBuilder); |
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556 if (hs) |
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557 hs->flush(); |
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558 #else |
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559 if (xs_cfg.sid2Builder == XS_BLD_HARDSID) |
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560 ((HardSIDBuilder *) myStatus->currBuilder)->flush(); |
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561 #endif |
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562 #endif |
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563 } |
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564 |
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565 |
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566 } /* extern "C" */ |
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567 #endif /* HAVE_SIDPLAY2 */ |