openMSX
MSXMemoryMapper.cc
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1#include "MSXMemoryMapper.hh"
2#include "serialize.hh"
3
4namespace openmsx {
5
7 : MSXMemoryMapperBase(config)
8{
9}
10
11void MSXMemoryMapper::writeIO(word port, byte value, EmuTime::param time)
12{
13 MSXMemoryMapperBase::writeIOImpl(port, value, time);
14 byte page = port & 3;
15 if (byte* data = checkedRam.getRWCacheLines(segmentOffset(page), 0x4000)) {
16 fillDeviceRWCache(page * 0x4000, 0x4000, data);
17 } else {
18 invalidateDeviceRWCache(page * 0x4000, 0x4000);
19 }
20}
21
22template<typename Archive>
23void MSXMemoryMapper::serialize(Archive& ar, unsigned version)
24{
25 // use serializeInlinedBase instead of serializeBase for bw-compat savestates
26 ar.template serializeInlinedBase<MSXMemoryMapperBase>(*this, version);
27}
28
31
32} // namespace openmsx
byte * getRWCacheLines(size_t addr, size_t size) const
Definition: CheckedRam.cc:51
void fillDeviceRWCache(unsigned start, unsigned size, byte *rwData)
Calls MSXCPUInterface::fillXXCache() for the specific (part of) the slot that this device is located ...
Definition: MSXDevice.cc:505
void invalidateDeviceRWCache()
Calls MSXCPUInterface::invalidateXXCache() for the specific (part of) the slot that this device is lo...
Definition: MSXDevice.hh:210
void writeIOImpl(word port, byte value, EmuTime::param time)
unsigned segmentOffset(byte page) const
MSXMemoryMapper(const DeviceConfig &config)
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.
void serialize(Archive &ar, unsigned version)
This file implemented 3 utility functions:
Definition: Autofire.cc:9
REGISTER_MSXDEVICE(ChakkariCopy, "ChakkariCopy")
uint16_t word
16 bit unsigned integer
Definition: openmsx.hh:29
#define INSTANTIATE_SERIALIZE_METHODS(CLASS)
Definition: serialize.hh:1021