RomZemina126in1.cc

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// Zemina 126-in-1 cartridge
//
// Information obtained by studying MESS sources:
//    0x4001 : 0x4000-0x7FFF
//    0x4002 : 0x8000-0xBFFF
 
#include "RomZemina126in1.hh"
#include "CacheLine.hh"
#include "serialize.hh"
 
namespace openmsx {
 
RomZemina126in1::RomZemina126in1(
                const DeviceConfig& config, Rom&& rom_)
        : Rom16kBBlocks(config, std::move(rom_))
{
        reset(EmuTime::dummy());
}
 
void RomZemina126in1::reset(EmuTime::param /*time*/)
{
        setUnmapped(0);
        setRom(1, 0);
        setRom(2, 1);
        setUnmapped(3);
}
 
void RomZemina126in1::writeMem(word address, byte value, EmuTime::param /*time*/)
{
        if (address == 0x4000) {
                setRom(1, value);
        } else if (address == 0x4001) {
                setRom(2, value);
        }
}
 
byte* RomZemina126in1::getWriteCacheLine(word address)
{
        if (address == (0x4000 & CacheLine::HIGH)) {
                return nullptr;
        } else {
                return unmappedWrite.data();
        }
}
 
REGISTER_MSXDEVICE(RomZemina126in1, "RomZemina126in1");
 
} // namespace openmsx