BizHawk/waterbox/bsnescore/bsnes/sfc/system/serialization.cpp

120 lines
3.6 KiB
C++

auto System::serialize(bool synchronize) -> serializer {
//deterministic serialization (synchronize=false) is only possible with select libco methods
if(!co_serializable()) synchronize = true;
if(!information.serializeSize[synchronize]) return {}; //should never occur
if(synchronize) runToSave();
uint signature = 0x31545342;
uint serializeSize = information.serializeSize[synchronize];
char version[16] = {};
char description[512] = {};
memory::copy(&version, (const char*)Emulator::SerializerVersion, Emulator::SerializerVersion.size());
serializer s(serializeSize);
s.integer(signature);
s.integer(serializeSize);
s.array(version);
s.array(description);
s.boolean(synchronize);
s.boolean(hacks.fastPPU);
serializeAll(s, synchronize);
return s;
}
auto System::unserialize(serializer& s) -> bool {
uint signature = 0;
uint serializeSize = 0;
char version[16] = {};
char description[512] = {};
bool synchronize = false;
bool fastPPU = false;
s.integer(signature);
s.integer(serializeSize);
s.array(version);
s.array(description);
s.boolean(synchronize);
s.boolean(fastPPU);
if(signature != 0x31545342) return false;
if(serializeSize != information.serializeSize[synchronize]) return false;
if(string{version} != Emulator::SerializerVersion) return false;
if(fastPPU != hacks.fastPPU) return false;
if(synchronize) power(/* reset = */ false);
serializeAll(s, synchronize);
return true;
}
//internal
auto System::serializeAll(serializer& s, bool synchronize) -> void {
random.serialize(s);
cartridge.serialize(s);
cpu.serialize(s);
smp.serialize(s);
ppu.serialize(s);
dsp.serialize(s);
if(cartridge.has.ICD) icd.serialize(s);
if(cartridge.has.MCC) mcc.serialize(s);
if(cartridge.has.DIP) dip.serialize(s);
if(cartridge.has.Event) event.serialize(s);
if(cartridge.has.SA1) sa1.serialize(s);
if(cartridge.has.SuperFX) superfx.serialize(s);
if(cartridge.has.ARMDSP) armdsp.serialize(s);
if(cartridge.has.HitachiDSP) hitachidsp.serialize(s);
if(cartridge.has.NECDSP) necdsp.serialize(s);
if(cartridge.has.EpsonRTC) epsonrtc.serialize(s);
if(cartridge.has.SharpRTC) sharprtc.serialize(s);
if(cartridge.has.SPC7110) spc7110.serialize(s);
if(cartridge.has.SDD1) sdd1.serialize(s);
if(cartridge.has.OBC1) obc1.serialize(s);
if(cartridge.has.MSU1) msu1.serialize(s);
if(cartridge.has.Cx4) cx4.serialize(s);
if(cartridge.has.DSP1) dsp1.serialize(s);
if(cartridge.has.DSP2) dsp2.serialize(s);
if(cartridge.has.DSP4) dsp4.serialize(s);
if(cartridge.has.ST0010) st0010.serialize(s);
if(cartridge.has.BSMemorySlot) bsmemory.serialize(s);
if(cartridge.has.SufamiTurboSlotA) sufamiturboA.serialize(s);
if(cartridge.has.SufamiTurboSlotB) sufamiturboB.serialize(s);
controllerPort1.serialize(s);
controllerPort2.serialize(s);
expansionPort.serialize(s);
if(!synchronize) {
cpu.serializeStack(s);
smp.serializeStack(s);
ppu.serializeStack(s);
for(auto coprocessor : cpu.coprocessors) {
coprocessor->serializeStack(s);
}
}
}
//perform dry-run state save:
//determines exactly how many bytes are needed to save state for this cartridge,
//as amount varies per game (eg different RAM sizes, special chips, etc.)
auto System::serializeInit(bool synchronize) -> uint {
serializer s;
uint signature = 0;
uint serializeSize = 0;
char version[16] = {};
char description[512] = {};
s.integer(signature);
s.integer(serializeSize);
s.array(version);
s.array(description);
s.boolean(synchronize);
s.boolean(hacks.fastPPU);
serializeAll(s, synchronize);
return s.size();
}