openMSX
MSXMoonSound.hh
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1 #ifndef MSXMOONSOUND_HH
2 #define MSXMOONSOUND_HH
3 
4 #include "MSXDevice.hh"
5 #include "YMF262.hh"
6 #include "YMF278.hh"
7 #include "serialize_meta.hh"
8 
9 namespace openmsx {
10 
11 class MSXMoonSound final : public MSXDevice
12 {
13 public:
14  explicit MSXMoonSound(const DeviceConfig& config);
15 
16  void powerUp(EmuTime::param time) override;
17  void reset(EmuTime::param time) override;
18  byte readIO(word port, EmuTime::param time) override;
19  byte peekIO(word port, EmuTime::param time) const override;
20  void writeIO(word port, byte value, EmuTime::param time) override;
21 
22  template<typename Archive>
23  void serialize(Archive& ar, unsigned version);
24 
25 private:
26  bool getNew2() const;
27  byte readYMF278Status(EmuTime::param time) const;
28 
29  YMF262 ymf262;
30  YMF278 ymf278;
31 
32  /** Time at which instrument loading is finished. */
33  EmuTime ymf278LoadTime;
34  /** Time until which the YMF278 is busy. */
35  EmuTime ymf278BusyTime;
36 
37  int opl3latch;
38  byte opl4latch;
39 };
40 SERIALIZE_CLASS_VERSION(MSXMoonSound, 3);
41 
42 } // namespace openmsx
43 
44 #endif
bool getEnum() const noexcept
Definition: EnumSetting.hh:96
byte readIO(word port, EmuTime::param time) override
Read a byte from an IO port at a certain time from this device.
Definition: MSXMoonSound.cc:79
An MSXDevice is an emulated hardware component connected to the bus of the emulated MSX...
Definition: MSXDevice.hh:31
void powerUp(EmuTime::param time) override
This method is called when MSX is powered up.
Definition: MSXMoonSound.cc:61
void reset(EmuTime::param time) override
This method is called on reset.
Definition: MSXMoonSound.cc:67
void serialize(Archive &ar, unsigned version)
#define SERIALIZE_CLASS_VERSION(CLASS, VERSION)
MSXMoonSound(const DeviceConfig &config)
Definition: MSXMoonSound.cc:49
byte peekIO(word port, EmuTime::param time) const override
Read a byte from a given IO port.
void writeIO(word port, byte value, EmuTime::param time) override
Write a byte to a given IO port at a certain time to this device.