openMSX
MSXPac.hh
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1 #ifndef MSXPAC_HH
2 #define MSXPAC_HH
3 
4 #include "MSXDevice.hh"
5 #include "SRAM.hh"
6 
7 namespace openmsx {
8 
9 class MSXPac final : public MSXDevice
10 {
11 public:
12  explicit MSXPac(const DeviceConfig& config);
13 
14  void reset(EmuTime::param time) override;
15  byte readMem(word address, EmuTime::param time) override;
16  void writeMem(word address, byte value, EmuTime::param time) override;
17  const byte* getReadCacheLine(word address) const override;
18  byte* getWriteCacheLine(word address) const override;
19 
20  template<typename Archive>
21  void serialize(Archive& ar, unsigned version);
22 
23 private:
24  void checkSramEnable();
25 
26  SRAM sram;
27  byte r1ffe, r1fff;
28  bool sramEnabled;
29 };
30 
31 } // namespace openmsx
32 
33 #endif
void writeMem(word address, byte value, EmuTime::param time) override
Write a given byte to a given location at a certain time to this device.
Definition: MSXPac.cc:58
MSXPac(const DeviceConfig &config)
Definition: MSXPac.cc:9
uint8_t byte
8 bit unsigned integer
Definition: openmsx.hh:26
void reset(EmuTime::param time) override
This method is called on reset.
Definition: MSXPac.cc:16
byte * getWriteCacheLine(word address) const override
Test that the memory in the interval [start, start + CacheLine::SIZE) is cacheable for writing...
Definition: MSXPac.cc:77
const byte * getReadCacheLine(word address) const override
Test that the memory in the interval [start, start + CacheLine::SIZE) is cacheable for reading...
Definition: MSXPac.cc:42
Thanks to enen for testing this on a real cartridge:
Definition: Autofire.cc:5
byte readMem(word address, EmuTime::param time) override
Read a byte from a location at a certain time from this device.
Definition: MSXPac.cc:22
An MSXDevice is an emulated hardware component connected to the bus of the emulated MSX...
Definition: MSXDevice.hh:31
uint16_t word
16 bit unsigned integer
Definition: openmsx.hh:29
void serialize(Archive &ar, unsigned version)
Definition: MSXPac.cc:100