RomKonamiKeyboardMaster.cc

Go to the documentation of this file.

#include "RomKonamiKeyboardMaster.hh"
#include "MSXCPUInterface.hh"
#include "serialize.hh"
#include "unreachable.hh"
 
namespace openmsx {
 
RomKonamiKeyboardMaster::RomKonamiKeyboardMaster(
                const DeviceConfig& config, Rom&& rom_)
        : Rom16kBBlocks(config, std::move(rom_))
        , vlm5030("VLM5030", "Konami Keyboard Master's VLM5030",
                  rom.getFilename(), config)
{
        setUnmapped(0);
        setRom(1, 0);
        setUnmapped(2);
        setUnmapped(3);
 
        reset(EmuTime::dummy());
 
        auto& cpuInterface = getCPUInterface();
        for (auto port : {0x00, 0x20}) {
                cpuInterface.register_IO_Out(narrow_cast<byte>(port), this);
                cpuInterface.register_IO_In (narrow_cast<byte>(port), this);
        }
}
 
RomKonamiKeyboardMaster::~RomKonamiKeyboardMaster()
{
        auto& cpuInterface = getCPUInterface();
        for (auto port : {0x00, 0x20}) {
                cpuInterface.unregister_IO_Out(narrow_cast<byte>(port), this);
                cpuInterface.unregister_IO_In (narrow_cast<byte>(port), this);
        }
}
 
void RomKonamiKeyboardMaster::reset(EmuTime::param /*time*/)
{
        vlm5030.reset();
}
 
void RomKonamiKeyboardMaster::writeIO(word port, byte value, EmuTime::param time)
{
        switch (port & 0xFF) {
        case 0x00:
                vlm5030.writeData(value);
                break;
        case 0x20:
                vlm5030.writeControl(value, time);
                break;
        default:
                UNREACHABLE;
        }
}
 
byte RomKonamiKeyboardMaster::readIO(word port, EmuTime::param time)
{
        return RomKonamiKeyboardMaster::peekIO(port, time);
}
 
byte RomKonamiKeyboardMaster::peekIO(word port, EmuTime::param time) const
{
        switch (port & 0xFF) {
        case 0x00:
                return vlm5030.getBSY(time) ? 0x10 : 0x00;
        case 0x20:
                return 0xFF;
        default:
                UNREACHABLE;
        }
}
 
template<typename Archive>
void RomKonamiKeyboardMaster::serialize(Archive& ar, unsigned /*version*/)
{
        ar.template serializeBase<Rom16kBBlocks>(*this);
        ar.serialize("VLM5030", vlm5030);
}
INSTANTIATE_SERIALIZE_METHODS(RomKonamiKeyboardMaster);
REGISTER_MSXDEVICE(RomKonamiKeyboardMaster, "RomKonamiKeyboardMaster");
 
} // namespace openmsx