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◆ main openmsx / src / memory / RomKonamiKeyboardMaster.cc
1.7 KiB · C++ · last changed chore(): initial commit 1 month ago source blame history raw
e8555c89 Andy McCall 1 
#include "RomKonamiKeyboardMaster.hh"
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#include "MSXCPUInterface.hh"
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#include "serialize.hh"
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#include "unreachable.hh"
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namespace openmsx {
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RomKonamiKeyboardMaster::RomKonamiKeyboardMaster(
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		DeviceConfig& config, Rom&& rom_)
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	: Rom16kBBlocks(config, std::move(rom_))
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	, vlm5030("VLM5030", "Konami Keyboard Master's VLM5030",
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	          rom.getFilename(), config)
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{
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	setUnmapped(0);
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	setRom(1, 0);
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	setUnmapped(2);
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	setUnmapped(3);
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	reset(EmuTime::dummy());
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	auto& cpuInterface = getCPUInterface();
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	cpuInterface.register_IO_InOut(0x00, this);
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	cpuInterface.register_IO_InOut(0x20, this);
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}
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RomKonamiKeyboardMaster::~RomKonamiKeyboardMaster()
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{
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	auto& cpuInterface = getCPUInterface();
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	cpuInterface.unregister_IO_InOut(0x00, this);
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	cpuInterface.unregister_IO_InOut(0x20, this);
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}
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void RomKonamiKeyboardMaster::reset(EmuTime /*time*/)
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{
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	vlm5030.reset();
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}
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void RomKonamiKeyboardMaster::writeIO(uint16_t port, byte value, EmuTime time)
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{
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	switch (port & 0xFF) {
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	case 0x00:
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		vlm5030.writeData(value);
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		break;
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	case 0x20:
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		vlm5030.writeControl(value, time);
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		break;
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	default:
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		UNREACHABLE;
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	}
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}
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byte RomKonamiKeyboardMaster::readIO(uint16_t port, EmuTime time)
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{
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	return RomKonamiKeyboardMaster::peekIO(port, time);
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}
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byte RomKonamiKeyboardMaster::peekIO(uint16_t port, EmuTime time) const
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{
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	switch (port & 0xFF) {
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	case 0x00:
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		return vlm5030.getBSY(time) ? 0x10 : 0x00;
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	case 0x20:
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		return 0xFF;
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	default:
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		UNREACHABLE;
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	}
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}
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template<typename Archive>
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void RomKonamiKeyboardMaster::serialize(Archive& ar, unsigned /*version*/)
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{
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	ar.template serializeBase<Rom16kBBlocks>(*this);
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	ar.serialize("VLM5030", vlm5030);
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}
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INSTANTIATE_SERIALIZE_METHODS(RomKonamiKeyboardMaster);
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REGISTER_MSXDEVICE(RomKonamiKeyboardMaster, "RomKonamiKeyboardMaster");
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} // namespace openmsx