bsnes/higan/gb/system/system.cpp

105 lines
2.7 KiB
C++

#include <gb/gb.hpp>
namespace GameBoy {
#include "serialization.cpp"
System system;
Scheduler scheduler;
Cheat cheat;
auto System::run() -> void {
if(scheduler.enter() == Scheduler::Event::Frame) ppu.refresh();
}
auto System::runToSave() -> void {
scheduler.synchronize(cpu);
scheduler.synchronize(ppu);
scheduler.synchronize(apu);
scheduler.synchronize(cartridge);
}
auto System::init() -> void {
assert(interface != nullptr);
}
auto System::load(Emulator::Interface* interface, Model model_, maybe<uint> systemID) -> bool {
_model = model_;
if(model() == Model::GameBoy) {
if(auto fp = platform->open(ID::System, "manifest.bml", File::Read, File::Required)) {
information.manifest = fp->reads();
} else return false;
auto document = BML::unserialize(information.manifest);
if(auto name = document["system/cpu/rom/name"].text()) {
if(auto fp = platform->open(ID::System, name, File::Read, File::Required)) {
fp->read(bootROM.dmg, 256);
}
}
}
if(model() == Model::GameBoyColor) {
if(auto fp = platform->open(ID::System, "manifest.bml", File::Read, File::Required)) {
information.manifest = fp->reads();
} else return false;
auto document = BML::unserialize(information.manifest);
if(auto name = document["system/cpu/rom/name"].text()) {
if(auto fp = platform->open(ID::System, name, File::Read, File::Required)) {
fp->read(bootROM.cgb, 2048);
}
}
}
if(model() == Model::SuperGameBoy) {
if(auto fp = platform->open(systemID(), "manifest.bml", File::Read, File::Required)) {
information.manifest = fp->reads();
} else return false;
auto document = BML::unserialize(information.manifest);
if(auto memory = Emulator::Game::Memory{document["game/board/memory(type=ROM,content=Boot,architecture=LR35902)"]}) {
if(auto fp = platform->open(systemID(), memory.name(), File::Read, File::Required)) {
fp->read(bootROM.sgb, 256);
}
}
}
if(!cartridge.load()) return false;
serializeInit();
this->interface = interface;
return _loaded = true;
}
auto System::save() -> void {
if(!loaded()) return;
cartridge.save();
}
auto System::unload() -> void {
if(!loaded()) return;
cartridge.unload();
_loaded = false;
}
auto System::power() -> void {
if(model() != Model::SuperGameBoy) {
Emulator::video.reset(interface);
Emulator::video.setPalette();
Emulator::video.setEffect(Emulator::Video::Effect::InterframeBlending, settings.blurEmulation);
Emulator::audio.reset(interface);
}
scheduler.reset();
bus.power();
cartridge.power();
cpu.power();
ppu.power();
apu.power();
scheduler.primary(cpu);
_clocksExecuted = 0;
}
}