Filter6581.h

/*
 * This file is part of libsidplayfp, a SID player engine.
 *
 * Copyright 2011-2024 Leandro Nini <drfiemost@users.sourceforge.net>
 * Copyright 2007-2010 Antti Lankila
 * Copyright 2004,2010 Dag Lem <resid@nimrod.no>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */
 
#ifndef FILTER6581_H
#define FILTER6581_H
 
#include "Filter.h"
#include "FilterModelConfig6581.h"
#include "Integrator6581.h"
 
#include "siddefs-fp.h"
 
namespace reSIDfp
{
 
class Integrator6581;
 
class Filter6581 final : public Filter
{
private:
    Integrator6581 hpIntegrator;
 
    Integrator6581 bpIntegrator;
 
    const unsigned short* f0_dac;
 
protected:
    void updateCenterFrequency() override;
 
    int solveIntegrators() override;
 
public:
    Filter6581() :
        Filter(*FilterModelConfig6581::getInstance()),
        hpIntegrator(*FilterModelConfig6581::getInstance()),
        bpIntegrator(*FilterModelConfig6581::getInstance()),
        f0_dac(FilterModelConfig6581::getInstance()->getDAC(0.5))
    {}
 
    ~Filter6581() override;
 
    void setFilterCurve(double curvePosition);
 
    void setFilterRange(double adjustment)
    {
        FilterModelConfig6581::getInstance()->setFilterRange(adjustment);
    }
 
    void enableOldCaps(bool enable)
    {
        FilterModelConfig6581::getInstance()->enableOldCaps(enable);
    }
};
 
} // namespace reSIDfp
 
#endif