121 lines
3.7 KiB
C++
121 lines
3.7 KiB
C++
#include <Core.hpp>
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#include <ParallelRDPWrapper.hpp>
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#include <Scheduler.hpp>
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namespace n64 {
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Core::Core() : cpu(std::make_unique<Interpreter>(parallel)) {}
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void Core::Stop() {
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render = false;
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pause = true;
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romLoaded = false;
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cpu->Reset();
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}
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bool Core::LoadTAS(const fs::path &path) const { return cpu->GetMem().mmio.si.pif.movie.Load(path); }
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void Core::LoadROM(const std::string &rom_) {
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pause = true;
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rom = rom_;
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cpu->Reset();
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romLoaded = true;
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std::string archive_types[] = {".zip", ".7z", ".rar", ".tar"};
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auto extension = fs::path(rom).extension().string();
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const bool isArchive = std::ranges::any_of(archive_types,
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[&extension](const auto &e) { return e == extension; });
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cpu->GetMem().LoadROM(isArchive, rom);
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GameDB::match(cpu->GetMem());
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if (cpu->GetMem().rom.gameNameDB.empty()) {
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cpu->GetMem().rom.gameNameDB = fs::path(rom).stem().string();
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}
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cpu->GetMem().mmio.vi.isPal = cpu->GetMem().IsROMPAL();
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cpu->GetMem().mmio.si.pif.InitDevices(cpu->GetMem().saveType);
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cpu->GetMem().mmio.si.pif.mempakPath = rom;
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cpu->GetMem().mmio.si.pif.LoadEeprom(cpu->GetMem().saveType, rom);
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cpu->GetMem().flash.Load(cpu->GetMem().saveType, rom);
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cpu->GetMem().LoadSRAM(cpu->GetMem().saveType, rom);
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cpu->GetMem().mmio.si.pif.Execute();
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pause = false;
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render = true;
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}
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void Core::Run(float volumeL, float volumeR) {
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Mem &mem = cpu->GetMem();
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MMIO &mmio = mem.mmio;
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Registers ®s = cpu->GetRegs();
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for (int field = 0; field < mmio.vi.numFields; field++) {
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u32 frameCycles = 0;
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for (int i = 0; i < mmio.vi.numHalflines; i++) {
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mmio.vi.current = (i << 1) + field;
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if ((mmio.vi.current & 0x3FE) == mmio.vi.intr) {
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mmio.mi.InterruptRaise(MI::Interrupt::VI);
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}
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for (; cycles < mem.mmio.vi.cyclesPerHalfline; cycles++, frameCycles++) {
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u32 taken = cpu->Step();
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taken += regs.PopStalledCycles();
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regs.steps += taken;
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if (mmio.rsp.spStatus.halt) {
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regs.steps = 0;
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mmio.rsp.steps = 0;
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} else {
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while (regs.steps > 2) {
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mmio.rsp.steps += 2;
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regs.steps -= 3;
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}
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while (mmio.rsp.steps > 0) {
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mmio.rsp.steps--;
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mmio.rsp.Step();
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}
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}
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cycles += taken;
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frameCycles += taken;
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scheduler.Tick(taken, mem);
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}
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cycles -= mmio.vi.cyclesPerHalfline;
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}
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if ((mmio.vi.current & 0x3FE) == mmio.vi.intr) {
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mmio.mi.InterruptRaise(MI::Interrupt::VI);
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}
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mmio.ai.Step(frameCycles, volumeL, volumeR);
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scheduler.Tick(frameCycles, mem);
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}
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}
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void Core::Serialize() {
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auto sMEM = cpu->GetMem().Serialize();
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auto sCPU = cpu->Serialize();
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auto sVER = std::vector<u8>{KAIZEN_VERSION >> 8, KAIZEN_VERSION >> 4, KAIZEN_VERSION & 0xFF};
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memSize = sMEM.size();
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cpuSize = sCPU.size();
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verSize = sVER.size();
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serialized[slot].insert(serialized[slot].begin(), sVER.begin(), sVER.end());
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serialized[slot].insert(serialized[slot].end(), sMEM.begin(), sMEM.end());
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serialized[slot].insert(serialized[slot].end(), sCPU.begin(), sCPU.end());
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}
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void Core::Deserialize() {
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std::vector dVER(serialized[slot].begin(), serialized[slot].begin() + verSize);
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if (dVER[0] != (KAIZEN_VERSION >> 8) || dVER[1] != (KAIZEN_VERSION >> 4) || dVER[2] != (KAIZEN_VERSION & 0xFF)) {
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Util::panic("PROBLEMI!");
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}
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cpu->GetMem().Deserialize(
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std::vector(serialized[slot].begin() + verSize, serialized[slot].begin() + verSize + memSize));
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cpu->Deserialize(
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std::vector(serialized[slot].begin() + verSize + memSize, serialized[slot].begin() + verSize + memSize + cpuSize));
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serialized[slot].erase(serialized[slot].begin(), serialized[slot].end());
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}
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} // namespace n64
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