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struct MegaCD32X : System {
auto name() -> string override { return "Mega CD 32X"; }
auto load(string location) -> bool override;
auto save(string location) -> bool override;
static constexpr u8 bram[64] = {
0x5f,0x5f,0x5f,0x5f,0x5f,0x5f,0x5f,0x5f,0x5f,0x5f,0x5f,0x00,0x00,0x00,0x00,0x40,
0x00,0x7d,0x00,0x7d,0x00,0x7d,0x00,0x7d,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x53,0x45,0x47,0x41,0x5f,0x43,0x44,0x5f,0x52,0x4f,0x4d,0x00,0x01,0x00,0x00,0x00,
0x52,0x41,0x4d,0x5f,0x43,0x41,0x52,0x54,0x52,0x49,0x44,0x47,0x45,0x5f,0x5f,0x5f,
};
};
auto MegaCD32X::load(string location) -> bool {
auto bios = Pak::read(location);
if(!bios) return false;
this->location = locate();
pak = new vfs::directory;
pak->append("tmss.rom", Resource::MegaDrive::TMSS);
pak->append("bios.rom", bios);
pak->append("vector.rom", Resource::Mega32X::Vector);
pak->append("sh2.boot.mrom", Resource::Mega32X::SH2BootM);
pak->append("sh2.boot.srom", Resource::Mega32X::SH2BootS);
pak->append("backup.ram", 8_KiB);
if(auto fp = pak->write("backup.ram")) {
for(auto address : range(fp->size())) fp->write(0xff);
fp->seek(fp->size() - sizeof(bram));
for(auto& byte : bram) fp->write(byte);
}
Pak::load("backup.ram", ".bram");
return true;
}
auto MegaCD32X::save(string location) -> bool {
Pak::save("backup.ram", ".bram");
return true;
}
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