libsidplayfp  2.11.0
FilterModelConfig8580.h
1 /*
2  * This file is part of libsidplayfp, a SID player engine.
3  *
4  * Copyright 2011-2020 Leandro Nini <drfiemost@users.sourceforge.net>
5  * Copyright 2007-2010 Antti Lankila
6  * Copyright 2004,2010 Dag Lem
7  *
8  * This program is free software; you can redistribute it and/or modify
9  * it under the terms of the GNU General Public License as published by
10  * the Free Software Foundation; either version 2 of the License, or
11  * (at your option) any later version.
12  *
13  * This program is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16  * GNU General Public License for more details.
17  *
18  * You should have received a copy of the GNU General Public License
19  * along with this program; if not, write to the Free Software
20  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
21  */
22 
23 #ifndef FILTERMODELCONFIG8580_H
24 #define FILTERMODELCONFIG8580_H
25 
26 #include "FilterModelConfig.h"
27 
28 #include <memory>
29 
30 #include "sidcxx11.h"
31 
32 namespace reSIDfp
33 {
34 
35 class Integrator8580;
36 
41 {
42 private:
43  static std::unique_ptr<FilterModelConfig8580> instance;
44  // This allows access to the private constructor
45  friend std::unique_ptr<FilterModelConfig8580>::deleter_type;
46 
47 private:
51  static constexpr double Vref = 4.75;
52 
56  static constexpr double VOLTAGE_SKEW = 1.01;
57 
58 private:
60  ~FilterModelConfig8580() = default;
61 
62 protected:
63  double getVoiceDC(unsigned int) const override { return getVref(); }
64 
65 public:
66  static FilterModelConfig8580* getInstance();
67 
68  inline double getVref() const { return Vref * VOLTAGE_SKEW; }
69 };
70 
71 } // namespace reSIDfp
72 
73 #endif
Definition: FilterModelConfig8580.h:41
Definition: FilterModelConfig.h:39