OXYGENHUB
◆ main openmsx / src / memory / RomZemina126in1.cc
943 B · C++ · last changed chore(): initial commit 1 month ago source blame history raw
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// Zemina 126-in-1 cartridge
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//
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// Information obtained by studying MESS sources:
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//    0x4001 : 0x4000-0x7FFF
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//    0x4002 : 0x8000-0xBFFF
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#include "RomZemina126in1.hh"
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#include "CacheLine.hh"
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#include "serialize.hh"
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namespace openmsx {
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RomZemina126in1::RomZemina126in1(
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		const DeviceConfig& config, Rom&& rom_)
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	: Rom16kBBlocks(config, std::move(rom_))
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{
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	reset(EmuTime::dummy());
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}
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void RomZemina126in1::reset(EmuTime /*time*/)
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{
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	setUnmapped(0);
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	setRom(1, 0);
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	setRom(2, 1);
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	setUnmapped(3);
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}
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void RomZemina126in1::writeMem(uint16_t address, byte value, EmuTime /*time*/)
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{
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	if (address == 0x4000) {
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		setRom(1, value);
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	} else if (address == 0x4001) {
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		setRom(2, value);
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	}
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}
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byte* RomZemina126in1::getWriteCacheLine(uint16_t address)
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{
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	if (address == (0x4000 & CacheLine::HIGH)) {
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		return nullptr;
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	} else {
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		return unmappedWrite.data();
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	}
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}
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REGISTER_MSXDEVICE(RomZemina126in1, "RomZemina126in1");
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} // namespace openmsx