libsidplayfp  1.0.1
residfp-emu.h
1 /*
2  * This file is part of libsidplayfp, a SID player engine.
3  *
4  * Copyright 2011-2013 Leandro Nini <drfiemost@users.sourceforge.net>
5  * Copyright 2007-2010 Antti Lankila
6  * Copyright 2001 Simon White
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 RESIDFP_EMU_H
24 #define RESIDFP_EMU_H
25 
26 #include <string>
27 
28 #include "residfp/SID.h"
29 #include "sidplayfp/sidemu.h"
30 #include "sidplayfp/EventScheduler.h"
31 
32 #ifdef HAVE_CONFIG_H
33 # include "config.h"
34 #endif
35 
36 #define RESID_NAMESPACE reSIDfp
37 
38 enum {
39  OUTPUTBUFFERSIZE = 5000 //32768
40 };
41 
42 class ReSIDfp: public sidemu
43 {
44 private:
45  EventContext *m_context;
46  RESID_NAMESPACE::SID &m_sid;
47  event_clock_t m_accessClk;
48  const char *m_error;
49  bool m_status;
50  bool m_locked;
51 
52  static std::string m_credit;
53 
54 public:
55  static const char* getCredits();
56 
57 public:
58  ReSIDfp(sidbuilder *builder);
59  ~ReSIDfp();
60 
61  // Standard component functions
62  const char *credits() const { return getCredits(); }
63 
64  void reset() { sidemu::reset (); }
65  void reset(uint8_t volume);
66 
67  uint8_t read(uint_least8_t addr);
68  void write(uint_least8_t addr, uint8_t data);
69 
70  const char *error() const { return m_error; }
71 
72  // Standard SID functions
73  void clock();
74  void filter(bool enable);
75  void voice(unsigned int num, bool mute) { m_sid.mute(num, mute); }
76 
77  bool getStatus() const { return m_status; }
78 
79  // Specific to resid
80  void sampling(float systemclock, float freq,
81  SidConfig::sampling_method_t method, bool fast);
82 
83  void filter6581Curve(double filterCurve);
84  void filter8580Curve(double filterCurve);
85  void model(SidConfig::sid_model_t model);
86 
87  // Must lock the SID before using the standard functions.
88  bool lock(EventContext *env);
89  void unlock();
90 };
91 
92 #endif // RESIDFP_EMU_H