Mercurial > hg > xmms-sid
annotate src/xs_sidplayfp.cpp @ 835:d508c7c4bc69
Add libSIDPlay2-FP backend interface module.
author | Matti Hamalainen <ccr@tnsp.org> |
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date | Thu, 08 Nov 2012 20:47:49 +0200 |
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children | ae1f6418d093 |
rev | line source |
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835
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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-FP support |
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5 |
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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_FP |
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26 |
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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_V1 |
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33 # include <sidplayfp/SidTune.h> |
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34 # include <sidplayfp/sidplayfp.h> |
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35 # include <sidplayfp/event.h> |
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36 # include <sidplayfp/SidConfig.h> |
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37 # include <sidplayfp/SidTuneInfo.h> |
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38 #else |
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39 # include <sidplayfp/sidplay2.h> |
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40 # include <sidplayfp/SidTuneMod.h> |
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41 # include <sidplayfp/event.h> |
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42 #endif |
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43 |
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44 |
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45 class XSSIDPlayFP { |
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46 public: |
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47 #ifdef HAVE_SIDPLAY2_FP_V1 |
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48 sidplayfp emu; |
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49 SidConfig config; |
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50 #else |
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51 sidplay2 emu; |
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52 sid2_config_t config; |
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53 #endif |
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54 SidTune tune; |
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55 |
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56 XSSIDPlayFP(void); |
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57 virtual ~XSSIDPlayFP(void); |
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58 }; |
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59 |
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60 |
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61 #ifdef HAVE_RESID_BUILDER |
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62 # include <sidplayfp/builders/residfp.h> |
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63 # include <sidplayfp/builders/resid.h> |
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64 #endif |
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65 |
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66 #ifdef HAVE_HARDSID_BUILDER |
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67 # include <sidplayfp/builders/hardsid.h> |
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68 #endif |
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69 |
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70 |
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71 XSSIDPlayFP::XSSIDPlayFP(void) : tune(0) |
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72 { |
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73 } |
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74 |
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75 |
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76 XSSIDPlayFP::~XSSIDPlayFP(void) |
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77 { |
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78 emu.load(NULL); |
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79 } |
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80 |
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81 |
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82 /* We need to 'export' all this pseudo-C++ crap */ |
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83 extern "C" { |
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84 |
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85 |
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86 /* Return song information |
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87 */ |
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88 #define TFUNCTION xs_sidplayfp_getinfo |
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89 #define TFUNCTION2 xs_sidplayfp_updateinfo |
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90 #define TENGINE XSSIDPlayFP |
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91 #define TTUNEINFO SidTuneInfo |
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92 #define TTUNE SidTune |
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93 |
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94 #ifdef HAVE_SIDPLAY2_FP_V1 |
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95 #define sid2_mono SidConfig::MONO |
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96 #define sid2_stereo SidConfig::STEREO |
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97 #define SID2_MOS8580 SidConfig::MOS8580 |
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98 #define SID2_MOS6581 SidConfig::MOS6581 |
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99 #define SID2_CLOCK_PAL SidConfig::CLOCK_PAL |
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100 #define SID2_CLOCK_NTSC SidConfig::CLOCK_NTSC |
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101 #define SIDTUNE_CLOCK_UNKNOWN SidTuneInfo::CLOCK_UNKNOWN |
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102 #define SIDTUNE_CLOCK_PAL SidTuneInfo::CLOCK_PAL |
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103 #define SIDTUNE_CLOCK_NTSC SidTuneInfo::CLOCK_NTSC |
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104 #define SIDTUNE_CLOCK_ANY SidTuneInfo::CLOCK_ANY |
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105 #define SIDTUNE_SPEED_VBI SidTuneInfo::SPEED_VBI |
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106 #define SIDTUNE_SPEED_CIA_1A SidTuneInfo::SPEED_CIA_1A |
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107 #endif |
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108 |
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109 #include "xs_sidplay.h" |
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110 |
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111 |
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112 /* Check if we can play the given file |
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113 */ |
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114 gboolean xs_sidplayfp_probe(XSFile *f) |
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115 { |
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116 gchar tmpBuf[5]; |
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117 |
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118 if (!f) return FALSE; |
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119 |
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120 if (xs_fread(tmpBuf, sizeof(gchar), 4, f) != 4) |
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121 return FALSE; |
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122 |
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123 if (!strncmp(tmpBuf, "PSID", 4) || !strncmp(tmpBuf, "RSID", 4)) |
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124 return TRUE; |
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125 else |
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126 return FALSE; |
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127 } |
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128 |
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129 |
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130 /* Initialize SIDPlay2 |
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131 */ |
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132 gboolean xs_sidplayfp_init(XSEngineState * state) |
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133 { |
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134 XSSIDPlayFP *engine; |
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135 assert(state); |
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136 |
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137 /* Allocate internal structures */ |
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138 engine = new XSSIDPlayFP(); |
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139 state->internal = engine; |
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140 if (!engine) |
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141 return FALSE; |
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142 |
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143 /* Get current configuration */ |
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144 engine->config = engine->emu.config(); |
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145 |
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146 /* Configure channels and stuff */ |
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147 engine->config.playback = (state->audioChannels == XS_CHN_MONO) ? sid2_mono : sid2_stereo; |
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148 |
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149 /* Audio parameters sanity checking and setup */ |
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150 state->audioBitsPerSample = XS_RES_16BIT; |
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151 engine->config.samplingMethod = SID2_RESAMPLE_INTERPOLATE; |
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152 engine->config.frequency = state->audioFrequency; |
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153 |
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154 /* Initialize builder object */ |
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155 XSDEBUG("init builder #%i, maxsids=%i\n", xs_cfg.sid2Builder, (engine->emu.info()).maxsids); |
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156 |
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157 switch (xs_cfg.sid2Builder) |
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158 { |
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159 #ifdef HAVE_RESID_BUILDER |
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160 case XS_BLD_RESID: |
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161 { |
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162 ReSIDBuilder *rs = new ReSIDBuilder("ReSID builder"); |
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163 #ifdef HAVE_SIDPLAY2_FP_V1 |
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164 if (rs && rs->getStatus()) |
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165 { |
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166 } |
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167 #else |
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168 if (rs) |
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169 { |
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170 engine->config.sidEmulation = rs; |
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171 if (!*rs) return FALSE; |
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172 rs->create((engine->emu.info()).maxsids); |
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173 if (!*rs) return FALSE; |
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174 rs->bias(0.0f); |
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175 } |
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176 #endif // HAVE_SIDPLAY2_FP_V1 |
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177 } |
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178 break; |
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179 #endif // HAVE_RESID_BUILDER |
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180 |
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181 |
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182 #ifdef HAVE_RESID_FP_BUILDER |
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183 case XS_BLD_RESID_FP: |
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184 { |
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185 ReSIDfpBuilder *rs = new ReSIDfpBuilder("ReSID builder FP!"); |
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186 if (rs) |
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187 { |
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188 engine->config.sidEmulation = rs; |
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189 if (!*rs) return FALSE; |
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190 rs->create((engine->emu.info()).maxsids); |
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191 if (!*rs) return FALSE; |
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192 |
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193 rs->filter6581Curve(0.0); |
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194 rs->filter8580Curve(0.0); |
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195 } |
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196 } |
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197 break; |
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198 #endif |
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199 |
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200 #ifdef HAVE_HARDSID_BUILDER |
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201 case XS_BLD_HARDSID: |
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202 { |
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203 HardSIDBuilder *hs = new HardSIDBuilder("HardSID builder (FP)"); |
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204 engine->config.sidEmulation = (sidbuilder *) hs; |
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205 if (hs) |
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206 { |
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207 hs->create((engine->emu.info()).maxsids); |
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208 if (!*hs) |
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209 { |
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210 xs_error("hardSID->create() failed.\n"); |
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211 return FALSE; |
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212 } |
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213 } |
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214 } |
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215 break; |
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216 #endif |
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217 |
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218 default: |
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219 xs_error("[SIDPlay2] Invalid or unsupported builder selected.\n"); |
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220 break; |
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221 } |
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222 |
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223 if (!engine->config.sidEmulation) |
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224 { |
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225 xs_error("[SIDPlay2] Could not initialize SIDBuilder object.\n"); |
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226 return FALSE; |
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227 } |
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228 |
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229 // Setup filter |
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230 engine->config.sidEmulation->filter(xs_cfg.emulateFilters); |
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231 if (!*(engine->config.sidEmulation)) |
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232 { |
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233 xs_error("builder->filter(%d) failed.\n", xs_cfg.emulateFilters); |
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234 return FALSE; |
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235 } |
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236 |
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237 XSDEBUG("%s\n", engine->config.sidEmulation->credits()); |
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238 |
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239 /* Clockspeed settings */ |
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240 switch (xs_cfg.clockSpeed) |
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241 { |
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242 case XS_CLOCK_NTSC: |
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243 engine->config.clockDefault = SID2_CLOCK_NTSC; |
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244 break; |
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245 |
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246 default: |
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247 case XS_CLOCK_PAL: |
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248 engine->config.clockDefault = SID2_CLOCK_PAL; |
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249 xs_cfg.clockSpeed = XS_CLOCK_PAL; |
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250 break; |
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251 } |
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252 |
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253 |
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254 /* Configure rest of the emulation */ |
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255 engine->config.sidDefault = xs_cfg.mos8580 ? SID2_MOS8580 : SID2_MOS6581; |
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256 engine->config.clockForced = xs_cfg.forceSpeed; |
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257 |
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258 #ifndef HAVE_SIDPLAY2_FP_V1 |
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259 engine->config.sidSamples = TRUE; |
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260 engine->config.sidModel = xs_cfg.forceModel ? engine->config.sidDefault : SID2_MODEL_CORRECT; |
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261 engine->config.clockSpeed = xs_cfg.forceSpeed ? engine->config.clockDefault : SID2_CLOCK_CORRECT; |
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262 #endif |
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263 |
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264 return TRUE; |
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265 } |
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266 |
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267 |
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268 /* Close SIDPlay2 engine |
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269 */ |
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270 void xs_sidplayfp_close(XSEngineState * state) |
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271 { |
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272 XSSIDPlayFP *engine = (XSSIDPlayFP *) state->internal; |
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273 |
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274 xs_sidplayfp_delete(state); |
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275 |
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276 if (engine) |
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277 { |
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278 delete engine; |
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279 engine = NULL; |
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280 } |
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281 |
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282 state->internal = NULL; |
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283 } |
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284 |
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285 |
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286 /* Initialize current song and sub-tune |
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287 */ |
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288 gboolean xs_sidplayfp_initsong(XSEngineState * state) |
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289 { |
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290 XSSIDPlayFP *engine = (XSSIDPlayFP *) state->internal; |
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291 |
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292 if (!engine) |
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293 return FALSE; |
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294 |
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295 if (!engine->tune.selectSong(state->currSong)) |
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296 { |
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297 xs_error("[SIDPlay2] tune.selectSong() failed\n"); |
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298 return FALSE; |
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299 } |
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300 |
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301 if (engine->emu.load(&(engine->tune)) < 0) |
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302 { |
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303 xs_error("[SIDPlay2] emu.load() failed\n"); |
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304 return FALSE; |
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305 } |
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306 |
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307 if (engine->emu.config(engine->config) < 0) |
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308 { |
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309 xs_error("[SIDPlay2] Emulator engine configuration failed!\n"); |
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310 return FALSE; |
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311 } |
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312 |
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313 return TRUE; |
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314 } |
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315 |
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316 |
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317 /* Emulate and render audio data to given buffer |
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318 */ |
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319 guint xs_sidplayfp_fillbuffer(XSEngineState * state, gchar * audioBuffer, guint audioBufSize) |
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320 { |
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321 XSSIDPlayFP *engine = (XSSIDPlayFP *) state->internal; |
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322 |
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323 if (!engine) |
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324 return 0; |
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325 |
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326 #if 1 |
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327 int nsamples = audioBufSize / sizeof(short); |
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328 return engine->emu.play((short *) audioBuffer, nsamples) * sizeof(short); |
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329 #else |
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330 int nsamples = audioBufSize / sizeof(short); |
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331 fprintf(stderr, "%p, %d -> %d\n", audioBuffer, audioBufSize, nsamples); |
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332 return 0; |
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333 #endif |
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334 } |
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335 |
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336 |
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337 /* Load a given SID-tune file |
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338 */ |
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339 gboolean xs_sidplayfp_load(XSEngineState * state, gchar * filename) |
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340 { |
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341 XSSIDPlayFP *engine = (XSSIDPlayFP *) state->internal; |
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342 |
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343 if (!engine || !filename) |
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344 return FALSE; |
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345 |
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346 engine->tune.load(filename); |
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347 if (!engine->tune) |
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348 { |
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349 xs_error("Could not load file '%s': %s\n", |
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350 filename, (engine->tune.getInfo()).statusString); |
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351 return FALSE; |
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352 } |
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353 |
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354 return TRUE; |
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355 } |
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356 |
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357 |
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358 /* Delete INTERNAL information |
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359 */ |
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360 void xs_sidplayfp_delete(XSEngineState * state) |
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361 { |
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362 XSSIDPlayFP *engine = (XSSIDPlayFP *) state->internal; |
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363 } |
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364 |
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365 |
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366 /* Hardware backend flushing |
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367 */ |
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368 void xs_sidplayfp_flush(XSEngineState * state) |
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369 { |
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370 XSSIDPlayFP *engine = (XSSIDPlayFP *) state->internal; |
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371 |
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372 #ifdef HAVE_HARDSID_BUILDER |
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373 if (xs_cfg.sid2Builder == XS_BLD_HARDSID) |
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374 { |
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375 ((HardSIDBuilder *) engine->config.sidEmulation)->flush(); |
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376 } |
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377 #endif |
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378 } |
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379 |
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380 |
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381 } /* extern "C" */ |
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382 #endif /* HAVE_SIDPLAY2_FP */ |