57 lines
1.8 KiB
C++
57 lines
1.8 KiB
C++
/**
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* Furnace Tracker - multi-system chiptune tracker
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* Copyright (C) 2021-2024 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 _FMSHARED_OPM_H
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#define _FMSHARED_OPM_H
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#include "fmsharedbase.h"
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#define NOTE_LINEAR(x) (((x)<<7)+baseFreqOff+log2(parent->song.tuning/440.0)*12.0*128.0)
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class DivPlatformOPM: public DivPlatformFMBase {
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protected:
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const unsigned short ADDR_MULT_DT=0x40;
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const unsigned short ADDR_TL=0x60;
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const unsigned short ADDR_RS_AR=0x80;
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const unsigned short ADDR_AM_DR=0xa0;
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const unsigned short ADDR_DT2_D2R=0xc0;
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const unsigned short ADDR_SL_RR=0xe0;
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const unsigned short ADDR_NOTE=0x28;
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const unsigned short ADDR_KF=0x30;
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const unsigned short ADDR_FMS_AMS=0x38;
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const unsigned short ADDR_LR_FB_ALG=0x20;
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const unsigned short opOffs[4]={
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0x00, 0x08, 0x10, 0x18
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};
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unsigned char lfoValue, lfoValue2, lfoShape, lfoShape2;
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bool brokenPitch;
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DivPlatformOPM():
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DivPlatformFMBase(),
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lfoValue(0),
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lfoValue2(0),
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lfoShape(0),
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lfoShape2(0),
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brokenPitch(false) {}
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};
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#endif
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