MSXRom.cc

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#include "MSXRom.hh"
#include "RomInfo.hh"
#include "XMLElement.hh"
#include "TclObject.hh"
 
namespace openmsx {
 
MSXRom::MSXRom(const DeviceConfig& config, Rom&& rom_)
        : MSXDevice(config, rom_.getName())
        , rom(std::move(rom_))
{
}
 
void MSXRom::writeMem(word /*address*/, byte /*value*/, EmuTime::param /*time*/)
{
        // nothing
}
 
byte* MSXRom::getWriteCacheLine(word /*address*/)
{
        return unmappedWrite.data();
}
 
std::string_view MSXRom::getMapperTypeString() const
{
        // This value is guaranteed to be stored in the device config (and
        // 'auto' is already changed to actual type).
        const auto* mapper = getDeviceConfig().findChild("mappertype");
        assert(mapper);
        return mapper->getData();
}
 
RomType MSXRom::getRomType() const
{
        auto result = RomInfo::nameToRomType(getMapperTypeString());
        assert(result != RomType::UNKNOWN);
        return result;
}
 
void MSXRom::getInfo(TclObject& result) const
{
        // Add detected rom type.
        result.addDictKeyValues("mappertype", getMapperTypeString(),
 
        // add sha1sum, to be able to get a unique key for this ROM device,
        // so that it can be used to look up things in databases
                                "actualSHA1", rom.getSHA1().toString(),
 
        // add original sha1sum
                                "originalSHA1", rom.getOriginalSHA1().toString());
 
        // note that we're not using rom.getInfo(result); because we don't want
        // the filename included for this method...
}
 
void MSXRom::getExtraDeviceInfo(TclObject& result) const
{
        getInfo(result);
 
        // add original filename, e.g. to be able to see whether it comes
        // from a system_rom pool
        result.addDictKeyValue("filename", rom.getFilename());
}
 
} // namespace openmsx