RomHarryFox.cc

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// This mapper is used for the game "Harry Fox Yki no Maoh"

#include "RomHarryFox.hh"
#include "Rom.hh"
#include "serialize.hh"

namespace openmsx {

RomHarryFox::RomHarryFox(const DeviceConfig& config, std::unique_ptr<Rom> rom)
        : Rom16kBBlocks(config, std::move(rom))
{
        reset(EmuTime::dummy());
}

void RomHarryFox::reset(EmuTime::param /*time*/)
{
        setUnmapped(0);
        setRom(1, 0);
        setRom(2, 1);
        setUnmapped(3);
}

void RomHarryFox::writeMem(word address, byte value, EmuTime::param /*time*/)
{
        if        ((0x6000 <= address) && (address < 0x7000)) {
                setRom(1, 2 * (value & 1) + 0);
        } else if ((0x7000 <= address) && (address < 0x8000)) {
                setRom(2, 2 * (value & 1) + 1);
        }
}

byte* RomHarryFox::getWriteCacheLine(word address) const
{
        if ((0x6000 <= address) && (address < 0x8000)) {
                return nullptr;
        } else {
                return unmappedWrite;
        }
}

REGISTER_MSXDEVICE(RomHarryFox, "RomHarryFox");

} // namespace openmsx