openMSX
MSXFDC.hh
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1 #ifndef MSXFDC_HH
2 #define MSXFDC_HH
3 
4 #include "MSXDevice.hh"
5 #include "DiskDrive.hh"
6 #include "Rom.hh"
7 #include <memory>
8 #include <optional>
9 #include <string>
10 
11 namespace openmsx {
12 
13 class MSXFDC : public MSXDevice
14 {
15 public:
16  void powerDown(EmuTime::param time) override;
17  [[nodiscard]] byte readMem(word address, EmuTime::param time) override;
18  [[nodiscard]] byte peekMem(word address, EmuTime::param time) const override;
19  [[nodiscard]] const byte* getReadCacheLine(word start) const override;
20 
21  template<typename Archive>
22  void serialize(Archive& ar, unsigned version);
23 
24 protected:
25  explicit MSXFDC(const DeviceConfig& config, const std::string& romId = {},
26  bool needROM = true,
28 
29 protected:
30  std::optional<Rom> rom;
31  std::unique_ptr<DiskDrive> drives[4];
32 };
33 
35 
36 } // namespace openmsx
37 
38 #endif
An MSXDevice is an emulated hardware component connected to the bus of the emulated MSX.
Definition: MSXDevice.hh:33
std::unique_ptr< DiskDrive > drives[4]
Definition: MSXFDC.hh:31
byte peekMem(word address, EmuTime::param time) const override
Read a byte from a given memory location.
Definition: MSXFDC.cc:54
void powerDown(EmuTime::param time) override
This method is called when MSX is powered down.
Definition: MSXFDC.cc:42
std::optional< Rom > rom
Definition: MSXFDC.hh:30
MSXFDC(const DeviceConfig &config, const std::string &romId={}, bool needROM=true, DiskDrive::TrackMode trackMode=DiskDrive::TrackMode::NORMAL)
Definition: MSXFDC.cc:11
void serialize(Archive &ar, unsigned version)
Definition: MSXFDC.cc:66
const byte * getReadCacheLine(word start) const override
Test that the memory in the interval [start, start + CacheLine::SIZE) is cacheable for reading.
Definition: MSXFDC.cc:59
byte readMem(word address, EmuTime::param time) override
Read a byte from a location at a certain time from this device.
Definition: MSXFDC.cc:49
This file implemented 3 utility functions:
Definition: Autofire.cc:9
uint16_t word
16 bit unsigned integer
Definition: openmsx.hh:29
REGISTER_BASE_NAME_HELPER(MSXFDC, "FDC")