OXYGENHUB
◆ main openmsx / src / memory / RomPlayBall.cc
1.8 KiB · C++ · last changed chore(): initial commit 1 month ago source blame history raw
e8555c89 Andy McCall 1 
#include "RomPlayBall.hh"
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#include "CacheLine.hh"
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#include "FileOperations.hh"
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#include "serialize.hh"
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namespace openmsx {
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RomPlayBall::RomPlayBall(const DeviceConfig& config, Rom&& rom_)
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	: Rom16kBBlocks(config, std::move(rom_))
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	, samplePlayer(
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		"Playball-DAC", "Sony Playball's DAC", config,
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		strCat(FileOperations::stripExtension(rom.getFilename()), '_'),
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		15, "playball/playball_")
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{
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	setUnmapped(0);
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	setRom(1, 0);
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	setRom(2, 1);
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	invalidateDeviceRCache(0xBFFF & CacheLine::HIGH, CacheLine::SIZE);
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	setUnmapped(3);
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	reset(EmuTime::dummy());
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}
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void RomPlayBall::reset(EmuTime /*time*/)
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{
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	samplePlayer.reset();
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}
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byte RomPlayBall::peekMem(uint16_t address, EmuTime time) const
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{
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	if (address == 0xBFFF) {
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		return samplePlayer.isPlaying() ? 0xFE : 0xFF;
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	} else {
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		return Rom16kBBlocks::peekMem(address, time);
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	}
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}
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byte RomPlayBall::readMem(uint16_t address, EmuTime time)
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{
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	return RomPlayBall::peekMem(address, time);
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}
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const byte* RomPlayBall::getReadCacheLine(uint16_t address) const
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{
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	if ((address & CacheLine::HIGH) == (0xBFFF & CacheLine::HIGH)) {
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		return nullptr;
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	} else {
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		return Rom16kBBlocks::getReadCacheLine(address);
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	}
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}
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void RomPlayBall::writeMem(uint16_t address, byte value, EmuTime /*time*/)
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{
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	if (address == 0xBFFF) {
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		if ((value <= 14) && !samplePlayer.isPlaying()) {
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			samplePlayer.play(value);
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		}
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	}
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}
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byte* RomPlayBall::getWriteCacheLine(uint16_t address)
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{
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	if ((address & CacheLine::HIGH) == (0xBFFF & CacheLine::HIGH)) {
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		return nullptr;
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	} else {
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		return unmappedWrite.data();
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	}
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}
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template<typename Archive>
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void RomPlayBall::serialize(Archive& ar, unsigned /*version*/)
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{
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	ar.template serializeBase<Rom16kBBlocks>(*this);
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	ar.serialize("SamplePlayer", samplePlayer);
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}
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INSTANTIATE_SERIALIZE_METHODS(RomPlayBall);
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REGISTER_MSXDEVICE(RomPlayBall, "RomPlayBall");
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} // namespace openmsx