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https://github.com/tildearrow/furnace.git
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472 lines
10 KiB
C
472 lines
10 KiB
C
/**
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* Furnace Tracker - multi-system chiptune tracker
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* Copyright (C) 2021-2022 tildearrow and contributors
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef _INSTRUMENT_H
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#define _INSTRUMENT_H
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#include "safeWriter.h"
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#include "dataErrors.h"
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#include "../ta-utils.h"
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// NOTICE!
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// before adding new instrument types to this struct, please ask me first.
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// absolutely zero support granted to conflicting formats.
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enum DivInstrumentType: unsigned short {
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DIV_INS_STD=0,
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DIV_INS_FM=1,
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DIV_INS_GB=2,
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DIV_INS_C64=3,
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DIV_INS_AMIGA=4,
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DIV_INS_PCE=5,
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DIV_INS_AY=6,
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DIV_INS_AY8930=7,
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DIV_INS_TIA=8,
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DIV_INS_SAA1099=9,
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DIV_INS_VIC=10,
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DIV_INS_PET=11,
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DIV_INS_VRC6=12,
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DIV_INS_OPLL=13,
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DIV_INS_OPL=14,
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DIV_INS_FDS=15,
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DIV_INS_VBOY=16,
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DIV_INS_N163=17,
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DIV_INS_SCC=18,
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DIV_INS_OPZ=19,
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DIV_INS_POKEY=20,
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DIV_INS_BEEPER=21,
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DIV_INS_SWAN=22,
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DIV_INS_MIKEY=23,
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DIV_INS_VERA=24,
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DIV_INS_X1_010=25,
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DIV_INS_VRC6_SAW=26,
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DIV_INS_ES5506=27,
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DIV_INS_MULTIPCM=28,
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DIV_INS_SNES=29,
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DIV_INS_SU=30,
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DIV_INS_NAMCO=31,
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DIV_INS_OPL_DRUMS=32,
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DIV_INS_MAX,
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DIV_INS_NULL
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};
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// FM operator structure:
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// - OPN:
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// - AM, AR, DR, MULT, RR, SL, TL, RS, DT, D2R, SSG-EG
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// - OPM:
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// - AM, AR, DR, MULT, RR, SL, TL, DT2, RS, DT, D2R
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// - OPLL:
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// - AM, AR, DR, MULT, RR, SL, TL, SSG-EG&8 = EG-S
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// - KSL, VIB, KSR
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// - OPL:
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// - AM, AR, DR, MULT, RR, SL, TL, SSG-EG&8 = EG-S
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// - KSL, VIB, WS (OPL2/3), KSR
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// - OPZ:
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// - AM, AR, DR, MULT (CRS), RR, SL, TL, DT2, RS, DT, D2R
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// - WS, DVB = MULT (FINE), DAM = REV, KSL = EGShift, EGT = Fixed
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struct DivInstrumentFM {
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unsigned char alg, fb, fms, ams, fms2, ams2, ops, opllPreset;
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bool fixedDrums;
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unsigned short kickFreq, snareHatFreq, tomTopFreq;
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struct Operator {
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bool enable;
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unsigned char am, ar, dr, mult, rr, sl, tl, dt2, rs, dt, d2r, ssgEnv;
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unsigned char dam, dvb, egt, ksl, sus, vib, ws, ksr; // YMU759/OPL/OPZ
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Operator():
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enable(true),
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am(0),
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ar(0),
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dr(0),
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mult(0),
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rr(0),
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sl(0),
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tl(0),
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dt2(0),
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rs(0),
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dt(0),
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d2r(0),
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ssgEnv(0),
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dam(0),
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dvb(0),
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egt(0),
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ksl(0),
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sus(0),
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vib(0),
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ws(0),
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ksr(0) {}
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} op[4];
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DivInstrumentFM():
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alg(0),
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fb(0),
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fms(0),
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ams(0),
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fms2(0),
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ams2(0),
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ops(2),
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opllPreset(0),
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fixedDrums(false),
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kickFreq(0x520),
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snareHatFreq(0x550),
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tomTopFreq(0x1c0) {
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// default instrument
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fb=4;
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op[0].tl=42;
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op[0].ar=31;
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op[0].dr=8;
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op[0].sl=15;
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op[0].rr=3;
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op[0].mult=5;
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op[0].dt=5;
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op[2].tl=18;
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op[2].ar=31;
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op[2].dr=10;
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op[2].sl=15;
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op[2].rr=4;
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op[2].mult=1;
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op[2].dt=0;
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op[1].tl=48;
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op[1].ar=31;
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op[1].dr=4;
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op[1].sl=11;
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op[1].rr=1;
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op[1].mult=1;
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op[1].dt=5;
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op[3].tl=2;
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op[3].ar=31;
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op[3].dr=9;
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op[3].sl=15;
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op[3].rr=9;
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op[3].mult=1;
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op[3].dt=0;
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}
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};
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// this is getting out of hand
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struct DivInstrumentMacro {
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String name;
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int val[256];
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unsigned int mode;
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bool open;
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unsigned char len;
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signed char loop;
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signed char rel;
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// the following variables are used by the GUI and not saved in the file
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int vScroll, vZoom;
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explicit DivInstrumentMacro(const String& n, bool initOpen=false):
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name(n),
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mode(0),
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open(initOpen),
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len(0),
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loop(-1),
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rel(-1),
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vScroll(0),
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vZoom(-1) {
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memset(val,0,256*sizeof(int));
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}
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};
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struct DivInstrumentSTD {
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DivInstrumentMacro volMacro;
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DivInstrumentMacro arpMacro;
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DivInstrumentMacro dutyMacro;
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DivInstrumentMacro waveMacro;
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DivInstrumentMacro pitchMacro;
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DivInstrumentMacro ex1Macro;
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DivInstrumentMacro ex2Macro;
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DivInstrumentMacro ex3Macro;
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DivInstrumentMacro algMacro;
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DivInstrumentMacro fbMacro;
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DivInstrumentMacro fmsMacro;
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DivInstrumentMacro amsMacro;
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DivInstrumentMacro panLMacro;
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DivInstrumentMacro panRMacro;
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DivInstrumentMacro phaseResetMacro;
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DivInstrumentMacro ex4Macro;
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DivInstrumentMacro ex5Macro;
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DivInstrumentMacro ex6Macro;
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DivInstrumentMacro ex7Macro;
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DivInstrumentMacro ex8Macro;
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struct OpMacro {
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// ar, dr, mult, rr, sl, tl, dt2, rs, dt, d2r, ssgEnv;
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DivInstrumentMacro amMacro;
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DivInstrumentMacro arMacro;
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DivInstrumentMacro drMacro;
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DivInstrumentMacro multMacro;
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DivInstrumentMacro rrMacro;
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DivInstrumentMacro slMacro;
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DivInstrumentMacro tlMacro;
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DivInstrumentMacro dt2Macro;
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DivInstrumentMacro rsMacro;
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DivInstrumentMacro dtMacro;
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DivInstrumentMacro d2rMacro;
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DivInstrumentMacro ssgMacro;
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DivInstrumentMacro damMacro;
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DivInstrumentMacro dvbMacro;
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DivInstrumentMacro egtMacro;
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DivInstrumentMacro kslMacro;
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DivInstrumentMacro susMacro;
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DivInstrumentMacro vibMacro;
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DivInstrumentMacro wsMacro;
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DivInstrumentMacro ksrMacro;
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OpMacro():
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amMacro("am"), arMacro("ar"), drMacro("dr"), multMacro("mult"),
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rrMacro("rr"), slMacro("sl"), tlMacro("tl",true), dt2Macro("dt2"),
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rsMacro("rs"), dtMacro("dt"), d2rMacro("d2r"), ssgMacro("ssg"),
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damMacro("dam"), dvbMacro("dvb"), egtMacro("egt"), kslMacro("ksl"),
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susMacro("sus"), vibMacro("vib"), wsMacro("ws"), ksrMacro("ksr") {}
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} opMacros[4];
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DivInstrumentSTD():
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volMacro("vol",true),
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arpMacro("arp"),
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dutyMacro("duty"),
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waveMacro("wave"),
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pitchMacro("pitch"),
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ex1Macro("ex1"),
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ex2Macro("ex2"),
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ex3Macro("ex3"),
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algMacro("alg"),
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fbMacro("fb"),
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fmsMacro("fms"),
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amsMacro("ams"),
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panLMacro("panL"),
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panRMacro("panR"),
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phaseResetMacro("phaseReset"),
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ex4Macro("ex4"),
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ex5Macro("ex5"),
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ex6Macro("ex6"),
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ex7Macro("ex7"),
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ex8Macro("ex8") {}
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};
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struct DivInstrumentGB {
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unsigned char envVol, envDir, envLen, soundLen;
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DivInstrumentGB():
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envVol(15),
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envDir(0),
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envLen(2),
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soundLen(64) {}
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};
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struct DivInstrumentC64 {
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bool triOn, sawOn, pulseOn, noiseOn;
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unsigned char a, d, s, r;
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unsigned short duty;
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unsigned char ringMod, oscSync;
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bool toFilter, volIsCutoff, initFilter, dutyIsAbs, filterIsAbs, noTest;
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unsigned char res;
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unsigned short cut;
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bool hp, lp, bp, ch3off;
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DivInstrumentC64():
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triOn(false),
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sawOn(true),
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pulseOn(false),
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noiseOn(false),
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a(0),
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d(8),
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s(0),
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r(0),
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duty(2048),
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ringMod(0),
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oscSync(0),
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toFilter(false),
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volIsCutoff(false),
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initFilter(false),
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dutyIsAbs(false),
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filterIsAbs(false),
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noTest(false),
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res(0),
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cut(0),
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hp(false),
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lp(false),
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bp(false),
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ch3off(false) {}
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};
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struct DivInstrumentAmiga {
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short initSample;
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bool useNoteMap;
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bool useWave;
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unsigned char waveLen;
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int noteFreq[120];
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short noteMap[120];
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/**
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* get the sample at specified note.
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* @return the sample.
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*/
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inline short getSample(int note) {
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if (useNoteMap) {
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if (note<0) note=0;
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if (note>119) note=119;
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return noteMap[note];
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}
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return initSample;
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}
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/**
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* get the sample frequency at specified note.
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* @return the frequency, or -1 if not using note map.
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*/
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inline int getFreq(int note) {
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if (useNoteMap) {
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if (note<0) note=0;
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if (note>119) note=119;
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return noteFreq[note];
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}
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return -1;
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}
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DivInstrumentAmiga():
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initSample(0),
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useNoteMap(false),
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useWave(false),
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waveLen(31) {
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memset(noteMap,-1,120*sizeof(short));
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memset(noteFreq,0,120*sizeof(int));
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}
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};
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struct DivInstrumentN163 {
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int wave, wavePos, waveLen;
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unsigned char waveMode;
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DivInstrumentN163():
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wave(-1),
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wavePos(0),
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waveLen(32),
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waveMode(3) {}
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};
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struct DivInstrumentFDS {
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signed char modTable[32];
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int modSpeed, modDepth;
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// this is here for compatibility.
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bool initModTableWithFirstWave;
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DivInstrumentFDS():
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modSpeed(0),
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modDepth(0),
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initModTableWithFirstWave(false) {
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memset(modTable,0,32);
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}
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};
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struct DivInstrumentMultiPCM {
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unsigned char ar, d1r, dl, d2r, rr, rc;
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unsigned char lfo, vib, am;
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DivInstrumentMultiPCM():
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ar(15), d1r(15), dl(0), d2r(0), rr(15), rc(15),
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lfo(0), vib(0), am(0) {
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}
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};
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enum DivWaveSynthEffects {
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DIV_WS_NONE=0,
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// one waveform effects
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DIV_WS_INVERT,
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DIV_WS_ADD,
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DIV_WS_SUBTRACT,
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DIV_WS_AVERAGE,
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DIV_WS_PHASE,
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DIV_WS_CHORUS,
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DIV_WS_SINGLE_MAX,
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// two waveform effects
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DIV_WS_NONE_DUAL=128,
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DIV_WS_WIPE,
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DIV_WS_FADE,
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DIV_WS_PING_PONG,
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DIV_WS_OVERLAY,
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DIV_WS_NEGATIVE_OVERLAY,
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DIV_WS_SLIDE,
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DIV_WS_MIX,
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DIV_WS_PHASE_MOD,
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DIV_WS_DUAL_MAX
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};
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struct DivInstrumentWaveSynth {
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int wave1, wave2;
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unsigned char rateDivider;
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unsigned char effect;
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bool oneShot, enabled, global;
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unsigned char speed, param1, param2, param3, param4;
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DivInstrumentWaveSynth():
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wave1(0),
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wave2(0),
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rateDivider(1),
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effect(DIV_WS_NONE),
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oneShot(false),
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enabled(false),
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global(false),
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speed(0),
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param1(0),
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param2(0),
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param3(0),
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param4(0) {}
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};
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struct DivInstrument {
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String name;
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bool mode;
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DivInstrumentType type;
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DivInstrumentFM fm;
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DivInstrumentSTD std;
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DivInstrumentGB gb;
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DivInstrumentC64 c64;
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DivInstrumentAmiga amiga;
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DivInstrumentN163 n163;
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DivInstrumentFDS fds;
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DivInstrumentMultiPCM multipcm;
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DivInstrumentWaveSynth ws;
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/**
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* save the instrument to a SafeWriter.
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* @param w the SafeWriter in question.
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*/
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void putInsData(SafeWriter* w);
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/**
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* read instrument data in .fui format.
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* @param reader the reader.
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* @param version the format version.
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* @return a DivDataErrors.
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*/
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DivDataErrors readInsData(SafeReader& reader, short version);
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/**
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* save this instrument to a file.
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* @param path file path.
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* @return whether it was successful.
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*/
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bool save(const char* path);
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DivInstrument():
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name(""),
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type(DIV_INS_FM) {
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}
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};
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#endif
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