Add OPL4 playback and analyzer support

DiskRef/WC/wc.ini

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+Wild Commander v1.1␍␍[SETUP]␍CPU_FREQ=2; 0=3.5MHz, 1=7MHz, 2=14MHz, 3=reserved␍SavePaths=1; 0-disabled, 1-enabled (remember dirs in panels)␍SavePosition=1; 0-disabled, 1-enabled (restores cursor position, if enabled)␍TextMode=2; 0=80x25, 1=80x30, 2=90x36 text mode␍Logo=1; 0-disabled, 1-enabled (disables logo header and clock)␍ScreenSaver=9; 0-disabled, 1-9 minutes␍␍[PLUGINS]␍MOUNTER.WMF -memory=128 -cpu=3,5 -cache=off -rs232=115200␍SETIME.WMF; memory:128/512/1024/auto cpu:3,5/7/14 cache:on/off rs232:115200/230400␍RE.WMF␍VGMPLAY.WMF␍TXTEDIT.WMF -highlight=auto; auto,on,off␍FILE_CR.WMF␍TRDisp.wmf␍TRDUMP.WMF␍ROM_PROG.WMF␍WPLAYER.WMF␍GSPLAYER.WMF -midi_chip=2; 1 - first (#FF), 2 - second (#FE)␍VIDEO_PL.WMF␍BMPV.WMF␍ILBMVIEW.WMF␍FTVIEW.WMF␍GIFVIEW.WMF␍MCGSV.WMF␍TAPM.WMF -loading=real -cpu=3,5 -memory=128 -basic=48␍COMPILER.WMF; loading:real/slow/fast cpu:3,5/7/14 memory:128/512/1024/auto basic:48/128␍CLOCK.WMF;PLASMATW.WMF;SCRSAVER.WMF␍␍[LPANEL]␍DRV=1; 0-IDEnemoMaster, 1-SD1zc, 2-SDngs, 3-IDEsmucMaster, 4-IDEsmucSlave, 5-IDEnemoSlave, 6-SD2zc␍INFO=0; file info (0 - disabled, 1 - enabled)␍CSORT=2; sorting (0 - off, 1 - by name, 2 - by ext, 3 - by size)␍␍[RPANEL]␍DRV=1; 0-IDEnemoMaster, 1-SD1zc, 2-SDngs, 3-IDEsmucMaster, 4-IDEsmucSlave, 5-IDEnemoSlave, 6-SD2zc␍INFO=0; file info (0 - disabled, 1 - enabled)␍CSORT=2; sorting (0 - off, 1 - by name, 2 - by ext, 3 - by size)␍␍␍;this file and all plug-ins must be placed into WC folder (in root dir of Boot-Device)␍;¤ ­­ë© ä ©« ¨ ¢á¥ ¯« £¨­ë ­ã¦­® à §¬¥áâ¨âì ¢ ¯ ¯ª¥ WC␍;(¢ ª®à­¥ § £à㧮筮£® ãáâனá⢠, ª®â®à®¥ ¢ë¡¨à ¥âáï ¢ ts-bios'e [SS+F12])␍