74 lines
1.7 KiB
Plaintext
74 lines
1.7 KiB
Plaintext
/*
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* This file is part of libsidplayfp, a SID player engine.
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*
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* Copyright 2011-2013 Leandro Nini <drfiemost@users.sourceforge.net>
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* Copyright 2007-2010 Antti Lankila
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* Copyright 2004,2010 Dag Lem <resid@nimrod.no>
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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
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#define FILTER6581_CPP
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#include "Filter6581.h"
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namespace reSIDfp
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{
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Filter6581::~Filter6581()
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{
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delete [] f0_dac;
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}
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void Filter6581::updatedCenterFrequency()
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{
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const unsigned short Vw = f0_dac[fc];
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hpIntegrator->setVw(Vw);
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bpIntegrator->setVw(Vw);
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}
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void Filter6581::updatedMixing()
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{
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currentGain = gain[vol];
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unsigned int ni = 0;
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unsigned int no = 0;
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(filt1 ? ni : no)++;
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(filt2 ? ni : no)++;
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if (filt3) ni++;
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else if (!voice3off) no++;
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(filtE ? ni : no)++;
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currentSummer = summer[ni];
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if (lp) no++;
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if (bp) no++;
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if (hp) no++;
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currentMixer = mixer[no];
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}
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void Filter6581::setFilterCurve(double curvePosition)
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{
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delete [] f0_dac;
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f0_dac = FilterModelConfig::getInstance()->getDAC(curvePosition);
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updatedCenterFrequency();
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}
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} // namespace reSIDfp
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