OXYGENHUB
◆ main openmsx / src / memory / MSXRom.cc
1.7 KiB · C++ · last changed chore(): initial commit 1 month ago source blame history raw
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#include "MSXRom.hh"
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#include "RomInfo.hh"
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#include "TclObject.hh"
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#include "XMLElement.hh"
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namespace openmsx {
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MSXRom::MSXRom(const DeviceConfig& config, Rom&& rom_)
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	: MSXDevice(config, rom_.getName())
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	, rom(std::move(rom_))
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{
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}
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void MSXRom::writeMem(uint16_t /*address*/, byte /*value*/, EmuTime /*time*/)
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{
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	// nothing
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}
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byte* MSXRom::getWriteCacheLine(uint16_t /*address*/)
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{
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	return unmappedWrite.data();
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}
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std::string_view MSXRom::getMapperTypeString() const
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{
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	// This value is guaranteed to be stored in the device config (and
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	// 'auto' is already changed to actual type).
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	const auto* mapper = getDeviceConfig().findChild("mappertype");
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	assert(mapper);
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	return mapper->getData();
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}
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RomType MSXRom::getRomType() const
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{
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	auto result = RomInfo::nameToRomType(getMapperTypeString());
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	assert(result != RomType::UNKNOWN);
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	return result;
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}
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void MSXRom::getInfo(TclObject& result) const
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{
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	std::array<char, 40> buf1;
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	std::array<char, 40> buf2;
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	// Add detected rom type.
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	result.addDictKeyValues("mappertype", getMapperTypeString(),
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	// add sha1sum, to be able to get a unique key for this ROM device,
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	// so that it can be used to look up things in databases
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	                        "actualSHA1", rom.getSHA1().toString(buf1),
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	// add original sha1sum
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	                        "originalSHA1", rom.getOriginalSHA1().toString(buf2));
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	// note that we're not using rom.getInfo(result); because we don't want
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	// the filename included for this method...
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}
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void MSXRom::getExtraDeviceInfo(TclObject& result) const
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{
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	getInfo(result);
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	// add original filename, e.g. to be able to see whether it comes
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	// from a system_rom pool
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	result.addDictKeyValue("filename", rom.getFilename());
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}
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} // namespace openmsx