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annotate src/cdrom/dc/SDL_syscdrom.c @ 1302:94643e9bad18

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Date: Sat, 14 Jan 2006 15:16:01 -0500 From: Andrew Fuller Subject: [SDL] [PATCH] ML-8866 PS2->USB converter This converter seems to go by several names -- Super Dual Box, Dual USB Joypad, and who knows what else. Also branded differently with different colour cases, etc. But it seems to all be the same internals. It is a common converter used for StepMania, with several posts Googleable trying to make it work in Linux. I got mine yesterday and wanted to play stepmania, so I went ahead and made a crude patch for libsdl to split this baby into two logical joysticks. A couple notes about the patch: This patch works well for two dance mats hooked up and playing stepmania, however the mapping of the other buttons may be off. I have no joystick which uses all the buttons the converter reports, so I have no way of testing them. The name I used 0925:8866 which is the USB ID, and what SDLjoytest-GL reported is the name, even though lsusb shows Wisegroup, Ltd MP-8866 Dual USB Joypad, and the existing virtual joystick mapping uses the Wisegroup... name. Not sure why the discrepency. I'm not subscribed to this mailing list, so please CC me on any comments to this. -Andrew
author Sam Lantinga <slouken@libsdl.org>
date Tue, 31 Jan 2006 14:59:43 +0000
parents b8d311d90021
children c9b51268668f
rev   line source
509
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1 /*
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2 SDL - Simple DirectMedia Layer
769
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3 Copyright (C) 1997-2004 Sam Lantinga
509
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4
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5 This library is free software; you can redistribute it and/or
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6 modify it under the terms of the GNU Library General Public
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7 License as published by the Free Software Foundation; either
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8 version 2 of the License, or (at your option) any later version.
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9
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10 This library is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 Library General Public License for more details.
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14
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15 You should have received a copy of the GNU Library General Public
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16 License along with this library; if not, write to the Free
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17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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18
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19 BERO
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20 bero@geocities.co.jp
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21
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22 based on win32/SDL_syscdrom.c by
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23
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24 Sam Lantinga
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25 slouken@libsdl.org
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26 */
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27
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28 #ifdef SAVE_RCSID
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29 static char rcsid =
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30 "@(#) $Id$";
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31 #endif
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32
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33 /* Functions for system-level CD-ROM audio control */
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34
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35 #include <stdlib.h>
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36 #include <stdio.h>
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37 #include <dc/cdrom.h>
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38 #include <dc/spu.h>
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39
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40 #include "SDL_error.h"
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41 #include "SDL_cdrom.h"
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42 #include "SDL_syscdrom.h"
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43
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44 /* The system-dependent CD control functions */
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45 static const char *SDL_SYS_CDName(int drive);
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46 static int SDL_SYS_CDOpen(int drive);
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47 static int SDL_SYS_CDGetTOC(SDL_CD *cdrom);
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48 static CDstatus SDL_SYS_CDStatus(SDL_CD *cdrom, int *position);
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49 static int SDL_SYS_CDPlay(SDL_CD *cdrom, int start, int length);
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50 static int SDL_SYS_CDPause(SDL_CD *cdrom);
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51 static int SDL_SYS_CDResume(SDL_CD *cdrom);
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52 static int SDL_SYS_CDStop(SDL_CD *cdrom);
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53 static int SDL_SYS_CDEject(SDL_CD *cdrom);
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54 static void SDL_SYS_CDClose(SDL_CD *cdrom);
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55
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56
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57 int SDL_SYS_CDInit(void)
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58 {
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59 /* Fill in our driver capabilities */
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60 SDL_CDcaps.Name = SDL_SYS_CDName;
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61 SDL_CDcaps.Open = SDL_SYS_CDOpen;
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62 SDL_CDcaps.GetTOC = SDL_SYS_CDGetTOC;
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63 SDL_CDcaps.Status = SDL_SYS_CDStatus;
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64 SDL_CDcaps.Play = SDL_SYS_CDPlay;
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65 SDL_CDcaps.Pause = SDL_SYS_CDPause;
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66 SDL_CDcaps.Resume = SDL_SYS_CDResume;
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67 SDL_CDcaps.Stop = SDL_SYS_CDStop;
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68 SDL_CDcaps.Eject = SDL_SYS_CDEject;
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69 SDL_CDcaps.Close = SDL_SYS_CDClose;
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70
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71 return(0);
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72 }
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73
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74 static const char *SDL_SYS_CDName(int drive)
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75 {
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76 return "/cd";
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77 }
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78
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79 static int SDL_SYS_CDOpen(int drive)
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80 {
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81 return(drive);
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82 }
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83
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84 #define TRACK_CDDA 0
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85 static int SDL_SYS_CDGetTOC(SDL_CD *cdrom)
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86 {
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87 CDROM_TOC toc;
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88 int ret,i;
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89
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90 ret = cdrom_read_toc(&toc,0);
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91 if (ret!=ERR_OK) {
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92 return -1;
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93 }
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94
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95 cdrom->numtracks = TOC_TRACK(toc.last)-TOC_TRACK(toc.first)+1;
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96 for(i=0;i<cdrom->numtracks;i++) {
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97 unsigned long entry = toc.entry[i];
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98 cdrom->track[i].id = i+1;
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99 cdrom->track[i].type = (TOC_CTRL(toc.entry[i])==TRACK_CDDA)?SDL_AUDIO_TRACK:SDL_DATA_TRACK;
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100 cdrom->track[i].offset = TOC_LBA(entry)-150;
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101 cdrom->track[i].length = TOC_LBA((i+1<toc.last)?toc.entry[i+1]:toc.dunno)-TOC_LBA(entry);
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102 }
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103
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104 return 0;
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105 }
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106
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107 /* Get CD-ROM status */
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108 static CDstatus SDL_SYS_CDStatus(SDL_CD *cdrom, int *position)
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109 {
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110 CDstatus status;
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111 int ret,dc_status,disc_type;
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112
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113 ret = cdrom_get_status(&dc_status,&disc_type);
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114 if (ret!=ERR_OK) return CD_ERROR;
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115
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116 switch(dc_status) {
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117 // case CD_STATUS_BUSY:
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118 case CD_STATUS_PAUSED:
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119 return CD_PAUSED;
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120 case CD_STATUS_STANDBY:
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121 return CD_STOPPED;
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122 case CD_STATUS_PLAYING:
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123 return CD_PLAYING;
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124 // case CD_STATUS_SEEKING:
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125 // case CD_STATUS_SCANING:
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126 case CD_STATUS_OPEN:
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127 case CD_STATUS_NO_DISC:
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128 return CD_TRAYEMPTY;
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129 default:
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130 return CD_ERROR;
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131 }
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132 }
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133
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134 /* Start play */
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135 static int SDL_SYS_CDPlay(SDL_CD *cdrom, int start, int length)
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136 {
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137 int ret = cdrom_cdda_play(start-150,start-150+length,1,CDDA_SECTORS);
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138 return ret==ERR_OK?0:-1;
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139 }
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140
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141 /* Pause play */
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142 static int SDL_SYS_CDPause(SDL_CD *cdrom)
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143 {
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144 int ret=cdrom_cdda_pause();
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145 return ret==ERR_OK?0:-1;
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146 }
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147
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148 /* Resume play */
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149 static int SDL_SYS_CDResume(SDL_CD *cdrom)
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150 {
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151 int ret=cdrom_cdda_resume();
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152 return ret==ERR_OK?0:-1;
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153 }
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154
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155 /* Stop play */
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156 static int SDL_SYS_CDStop(SDL_CD *cdrom)
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157 {
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158 int ret=cdrom_spin_down();
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159 return ret==ERR_OK?0:-1;
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160 }
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161
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162 /* Eject the CD-ROM */
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163 static int SDL_SYS_CDEject(SDL_CD *cdrom)
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164 {
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165 return -1;
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166 }
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167
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168 /* Close the CD-ROM handle */
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169 static void SDL_SYS_CDClose(SDL_CD *cdrom)
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170 {
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171 }
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172
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173 void SDL_SYS_CDQuit(void)
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174 {
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175
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176 }