Merge branch 'master' into specialized-shaderz

include/applets/applet.hpp

@@ -1,6 +1,9 @@
 #pragma once
 
+#include <vector>
+
 #include "helpers.hpp"
+#include "kernel/kernel_types.hpp"
 #include "memory.hpp"
 #include "result/result.hpp"
 
@@ -65,10 +68,11 @@ namespace Applets {
 	};
 
 	struct Parameter {
-		u32 senderID;
-		u32 destID;
-		u32 signal;
-		std::vector<u8> data;
+		u32 senderID;          // ID of the parameter sender
+		u32 destID;            // ID of the app to receive parameter
+		u32 signal;            // Signal type (eg request)
+		u32 object;            // Some applets will also respond with shared memory handles for transferring data between the sender and called
+		std::vector<u8> data;  // Misc data
 	};
 
 	class AppletBase {
@@ -80,7 +84,7 @@ namespace Applets {
 		virtual const char* name() = 0;
 
 		// Called by APT::StartLibraryApplet and similar
-		virtual Result::HorizonResult start() = 0;
+		virtual Result::HorizonResult start(const MemoryBlock* sharedMem, const std::vector<u8>& parameters, u32 appID) = 0;
 		// Transfer parameters from application -> applet
 		virtual Result::HorizonResult receiveParameter(const Parameter& parameter) = 0;
 		virtual void reset() = 0;

include/applets/applet_manager.hpp

@@ -1,6 +1,7 @@
 #pragma once
 #include <optional>
 
+#include "applets/error_applet.hpp"
 #include "applets/mii_selector.hpp"
 #include "applets/software_keyboard.hpp"
 #include "helpers.hpp"
@@ -11,6 +12,7 @@ namespace Applets {
 	class AppletManager {
 		MiiSelectorApplet miiSelector;
 		SoftwareKeyboardApplet swkbd;
+		ErrorApplet error;
 		std::optional<Applets::Parameter> nextParameter = std::nullopt;
 
 	  public:

include/applets/error_applet.hpp

@@ -0,0 +1,15 @@
+#include <string>
+
+#include "applets/applet.hpp"
+
+namespace Applets {
+	class ErrorApplet final : public AppletBase {
+	  public:
+		virtual const char* name() override { return "Error/EULA Agreement"; }
+		virtual Result::HorizonResult start(const MemoryBlock* sharedMem, const std::vector<u8>& parameters, u32 appID) override;
+		virtual Result::HorizonResult receiveParameter(const Applets::Parameter& parameter) override;
+		virtual void reset() override;
+
+		ErrorApplet(Memory& memory, std::optional<Parameter>& nextParam) : AppletBase(memory, nextParam) {}
+	};
+}  // namespace Applets

include/applets/mii_selector.hpp

@@ -1,13 +1,83 @@
+#include <string>
+
 #include "applets/applet.hpp"
+#include "swap.hpp"
 
 namespace Applets {
+	struct MiiConfig {
+		u8 enableCancelButton;
+		u8 enableGuestMii;
+		u8 showOnTopScreen;
+		std::array<u8, 0x5> pad1;
+		std::array<u16_le, 0x40> title;
+		std::array<u8, 0x4> pad2;
+		u8 showGuestMiis;
+		std::array<u8, 0x3> pad3;
+		u32 initiallySelectedIndex;
+		std::array<u8, 0x6> guestMiiWhitelist;
+		std::array<u8, 0x64> userMiiWhitelist;
+		std::array<u8, 0x2> pad4;
+		u32 magicValue;
+	};
+	static_assert(sizeof(MiiConfig) == 0x104, "Mii config size is wrong");
+
+	// Some members of this struct are not properly aligned so we need pragma pack
+#pragma pack(push, 1)
+	struct MiiData {
+		u8 version;
+		u8 miiOptions;
+		u8 miiPos;
+		u8 consoleID;
+
+		u64_be systemID;
+		u32_be miiID;
+		std::array<u8, 0x6> creatorMAC;
+		u16 padding;
+
+		u16_be miiDetails;
+		std::array<char16_t, 0xA> miiName;
+		u8 height;
+		u8 width;
+
+		u8 faceStyle;
+		u8 faceDetails;
+		u8 hairStyle;
+		u8 hairDetails;
+		u32_be eyeDetails;
+		u32_be eyebrowDetails;
+		u16_be noseDetails;
+		u16_be mouthDetails;
+		u16_be moustacheDetails;
+		u16_be beardDetails;
+		u16_be glassesDetails;
+		u16_be moleDetails;
+
+		std::array<char16_t, 0xA> authorName;
+	};
+#pragma pack(pop)
+	static_assert(sizeof(MiiData) == 0x5C, "MiiData structure has incorrect size");
+
+	struct MiiResult {
+		u32_be returnCode;
+		u32_be isGuestMiiSelected;
+		u32_be selectedGuestMiiIndex;
+		MiiData selectedMiiData;
+		u16_be unknown1;
+		u16_be miiChecksum;
+		std::array<u16_le, 0xC> guestMiiName;
+	};
+	static_assert(sizeof(MiiResult) == 0x84, "MiiResult structure has incorrect size");
+
 	class MiiSelectorApplet final : public AppletBase {
 	  public:
 		virtual const char* name() override { return "Mii Selector"; }
-		virtual Result::HorizonResult start() override;
+		virtual Result::HorizonResult start(const MemoryBlock* sharedMem, const std::vector<u8>& parameters, u32 appID) override;
 		virtual Result::HorizonResult receiveParameter(const Applets::Parameter& parameter) override;
 		virtual void reset() override;
 
+		MiiResult output;
+		MiiConfig config;
+		MiiResult getDefaultMii();
 		MiiSelectorApplet(Memory& memory, std::optional<Parameter>& nextParam) : AppletBase(memory, nextParam) {}
 	};
 }  // namespace Applets

include/applets/software_keyboard.hpp

@@ -1,13 +1,162 @@
+#include <array>
+
 #include "applets/applet.hpp"
+#include "swap.hpp"
 
 namespace Applets {
+	// Software keyboard definitions adapted from libctru/Citra
+	// Keyboard input filtering flags. Allows the caller to specify what input is explicitly not allowed
+	namespace SoftwareKeyboardFilter {
+		enum Filter : u32 {
+			Digits = 1,          // Disallow the use of more than a certain number of digits (0 or more)
+			At = 1 << 1,         // Disallow the use of the @ sign.
+			Percent = 1 << 2,    // Disallow the use of the % sign.
+			Backslash = 1 << 3,  // Disallow the use of the \ sign.
+			Profanity = 1 << 4,  // Disallow profanity using Nintendo's profanity filter.
+			Callback = 1 << 5,   // Use a callback in order to check the input.
+		};
+	}  // namespace SoftwareKeyboardFilter
+
+	// Keyboard features.
+	namespace SoftwareKeyboardFeature {
+		enum Feature {
+			Parental = 1,              // Parental PIN mode.
+			DarkenTopScreen = 1 << 1,  // Darken the top screen when the keyboard is shown.
+			PredictiveInput = 1 << 2,  // Enable predictive input (necessary for Kanji input in JPN systems).
+			Multiline = 1 << 3,        // Enable multiline input.
+			FixedWidth = 1 << 4,       // Enable fixed-width mode.
+			AllowHome = 1 << 5,        // Allow the usage of the HOME button.
+			AllowReset = 1 << 6,       // Allow the usage of a software-reset combination.
+			AllowPower = 1 << 7,       // Allow the usage of the POWER button.
+			DefaultQWERTY = 1 << 9,    // Default to the QWERTY page when the keyboard is shown.
+		};
+	}  // namespace SoftwareKeyboardFeature
+
 	class SoftwareKeyboardApplet final : public AppletBase {
 	  public:
+		static constexpr int MAX_BUTTON = 3;              // Maximum number of buttons that can be in the keyboard.
+		static constexpr int MAX_BUTTON_TEXT_LEN = 16;    // Maximum button text length, in UTF-16 code units.
+		static constexpr int MAX_HINT_TEXT_LEN = 64;      // Maximum hint text length, in UTF-16 code units.
+		static constexpr int MAX_CALLBACK_MSG_LEN = 256;  // Maximum filter callback error message length, in UTF-16 code units.
+
+		// Keyboard types
+		enum class SoftwareKeyboardType : u32 {
+			Normal,   // Normal keyboard with several pages (QWERTY/accents/symbol/mobile)
+			QWERTY,   // QWERTY keyboard only.
+			NumPad,   // Number pad.
+			Western,  // On JPN systems, a text keyboard without Japanese input capabilities, otherwise same as SWKBD_TYPE_NORMAL.
+		};
+
+		// Keyboard dialog buttons.
+		enum class SoftwareKeyboardButtonConfig : u32 {
+			SingleButton,  // Ok button
+			DualButton,    // Cancel | Ok buttons
+			TripleButton,  // Cancel | I Forgot | Ok buttons
+			NoButton,      // No button (returned by swkbdInputText in special cases)
+		};
+
+		// Accepted input types.
+		enum class SoftwareKeyboardValidInput : u32 {
+			Anything,          // All inputs are accepted.
+			NotEmpty,          // Empty inputs are not accepted.
+			NotEmptyNotBlank,  // Empty or blank inputs (consisting solely of whitespace) are not accepted.
+			NotBlank,          // Blank inputs (consisting solely of whitespace) are not accepted, but empty inputs are.
+			FixedLen,          // The input must have a fixed length (specified by maxTextLength in swkbdInit)
+		};
+
+		// Keyboard password modes.
+		enum class SoftwareKeyboardPasswordMode : u32 {
+			None,       // Characters are not concealed.
+			Hide,       // Characters are concealed immediately.
+			HideDelay,  // Characters are concealed a second after they've been typed.
+		};
+
+		// Keyboard filter callback return values.
+		enum class SoftwareKeyboardCallbackResult : u32 {
+			OK,        // Specifies that the input is valid.
+			Close,     // Displays an error message, then closes the keyboard.
+			Continue,  // Displays an error message and continues displaying the keyboard.
+		};
+
+		// Keyboard return values.
+		enum class SoftwareKeyboardResult : s32 {
+			None = -1,          // Dummy/unused.
+			InvalidInput = -2,  // Invalid parameters to swkbd.
+			OutOfMem = -3,      // Out of memory.
+
+			D0Click = 0,  // The button was clicked in 1-button dialogs.
+			D1Click0,     // The left button was clicked in 2-button dialogs.
+			D1Click1,     // The right button was clicked in 2-button dialogs.
+			D2Click0,     // The left button was clicked in 3-button dialogs.
+			D2Click1,     // The middle button was clicked in 3-button dialogs.
+			D2Click2,     // The right button was clicked in 3-button dialogs.
+
+			HomePressed = 10,  // The HOME button was pressed.
+			ResetPressed,      // The soft-reset key combination was pressed.
+			PowerPressed,      // The POWER button was pressed.
+
+			ParentalOK = 20,  // The parental PIN was verified successfully.
+			ParentalFail,     // The parental PIN was incorrect.
+
+			BannedInput = 30,  // The filter callback returned SoftwareKeyboardCallback::CLOSE.
+		};
+
+		struct SoftwareKeyboardConfig {
+			enum_le<SoftwareKeyboardType> type;
+			enum_le<SoftwareKeyboardButtonConfig> numButtonsM1;
+			enum_le<SoftwareKeyboardValidInput> validInput;
+			enum_le<SoftwareKeyboardPasswordMode> passwordMode;
+			s32_le isParentalScreen;
+			s32_le darkenTopScreen;
+			u32_le filterFlags;
+			u32_le saveStateFlags;
+			u16_le maxTextLength;
+			u16_le dictWordCount;
+			u16_le maxDigits;
+			std::array<std::array<u16_le, MAX_BUTTON_TEXT_LEN + 1>, MAX_BUTTON> buttonText;
+			std::array<u16_le, 2> numpadKeys;
+			std::array<u16_le, MAX_HINT_TEXT_LEN + 1> hintText;  // Text to display when asking the user for input
+			bool predictiveInput;
+			bool multiline;
+			bool fixedWidth;
+			bool allowHome;
+			bool allowReset;
+			bool allowPower;
+			bool unknown;
+			bool defaultQwerty;
+			std::array<bool, 4> buttonSubmitsText;
+			u16_le language;
+
+			u32_le initialTextOffset;  // Offset of the default text in the output SharedMemory
+			u32_le dictOffset;
+			u32_le initialStatusOffset;
+			u32_le initialLearningOffset;
+			u32_le sharedMemorySize;  // Size of the SharedMemory
+			u32_le version;
+
+			enum_le<SoftwareKeyboardResult> returnCode;
+
+			u32_le statusOffset;
+			u32_le learningOffset;
+
+			u32_le textOffset;  // Offset in the SharedMemory where the output text starts
+			u16_le textLength;  // Length in characters of the output text
+
+			enum_le<SoftwareKeyboardCallbackResult> callbackResult;
+			std::array<u16_le, MAX_CALLBACK_MSG_LEN + 1> callbackMessage;
+			bool skipAtCheck;
+			std::array<u8, 0xAB> pad;
+		};
+		static_assert(sizeof(SoftwareKeyboardConfig) == 0x400, "Software keyboard config size is wrong");
+
 		virtual const char* name() override { return "Software Keyboard"; }
-		virtual Result::HorizonResult start() override;
+		virtual Result::HorizonResult start(const MemoryBlock* sharedMem, const std::vector<u8>& parameters, u32 appID) override;
 		virtual Result::HorizonResult receiveParameter(const Applets::Parameter& parameter) override;
 		virtual void reset() override;
 
 		SoftwareKeyboardApplet(Memory& memory, std::optional<Parameter>& nextParam) : AppletBase(memory, nextParam) {}
+		void closeKeyboard(u32 appID);
+
+		SoftwareKeyboardConfig config;
 	};
 }  // namespace Applets

include/cheats.hpp

@@ -24,6 +24,7 @@ class Cheats {
 
 	Cheats(Memory& mem, HIDService& hid);
 	u32 addCheat(const Cheat& cheat);
+	u32 addCheat(const u8* data, size_t size);
 	void removeCheat(u32 id);
 	void enableCheat(u32 id);
 	void disableCheat(u32 id);
@@ -32,6 +33,7 @@ class Cheats {
 
 	void clear();
 	bool haveCheats() const { return cheatsLoaded; }
+	static constexpr u32 badCheatHandle = 0xFFFFFFFF;
 
   private:
 	ActionReplay ar;  // An ActionReplay cheat machine for executing CTRPF codes

include/cpu_dynarmic.hpp

@@ -9,15 +9,18 @@
 #include "helpers.hpp"
 #include "kernel.hpp"
 #include "memory.hpp"
+#include "scheduler.hpp"
 
+class Emulator;
 class CPU;
 
 class MyEnvironment final : public Dynarmic::A32::UserCallbacks {
-public:
-    u64 ticksLeft = 0;
-    u64 totalTicks = 0;
-    Memory& mem;
-    Kernel& kernel;
+  public:
+	u64 ticksLeft = 0;
+	u64 totalTicks = 0;
+	Memory& mem;
+	Kernel& kernel;
+	Scheduler& scheduler;
 
     u64 getCyclesForInstruction(bool isThumb, u32 instruction);
 
@@ -76,54 +79,56 @@ public:
         std::terminate();
     }
 
-    void CallSVC(u32 swi) override {
-        kernel.serviceSVC(swi);
-    }
+	void CallSVC(u32 swi) override {
+		kernel.serviceSVC(swi);
+	}
 
-    void ExceptionRaised(u32 pc, Dynarmic::A32::Exception exception) override {
-        switch (exception) {
-            case Dynarmic::A32::Exception::UnpredictableInstruction:
-                Helpers::panic("Unpredictable instruction at pc = %08X", pc);
-                break;
+	void ExceptionRaised(u32 pc, Dynarmic::A32::Exception exception) override {
+		switch (exception) {
+			case Dynarmic::A32::Exception::UnpredictableInstruction:
+				Helpers::panic("Unpredictable instruction at pc = %08X", pc);
+				break;
 
-            default: Helpers::panic("Fired exception oops");
-        }
-    }
+			default: Helpers::panic("Fired exception oops");
+		}
+	}
 
-    void AddTicks(u64 ticks) override {
-        totalTicks += ticks;
+	void AddTicks(u64 ticks) override {
+		scheduler.currentTimestamp += ticks;
 
-        if (ticks > ticksLeft) {
-            ticksLeft = 0;
-            return;
-        }
-        ticksLeft -= ticks;
-    }
+		if (ticks > ticksLeft) {
+			ticksLeft = 0;
+			return;
+		}
+		ticksLeft -= ticks;
+	}
 
-    u64 GetTicksRemaining() override {
-        return ticksLeft;
-    }
+	u64 GetTicksRemaining() override {
+		return ticksLeft;
+	}
 
-    u64 GetTicksForCode(bool isThumb, u32 vaddr, u32 instruction) override {
-        return getCyclesForInstruction(isThumb, instruction);
-    }
+	u64 GetTicksForCode(bool isThumb, u32 vaddr, u32 instruction) override {
+		return getCyclesForInstruction(isThumb, instruction);
+	}
 
-    MyEnvironment(Memory& mem, Kernel& kernel) : mem(mem), kernel(kernel) {}
+	MyEnvironment(Memory& mem, Kernel& kernel, Scheduler& scheduler) : mem(mem), kernel(kernel), scheduler(scheduler) {}
 };
 
 class CPU {
-    std::unique_ptr<Dynarmic::A32::Jit> jit;
-    std::shared_ptr<CP15> cp15;
+	std::unique_ptr<Dynarmic::A32::Jit> jit;
+	std::shared_ptr<CP15> cp15;
 
-    // Make exclusive monitor with only 1 CPU core
-    Dynarmic::ExclusiveMonitor exclusiveMonitor{1};
-    MyEnvironment env;
-    Memory& mem;
+	// Make exclusive monitor with only 1 CPU core
+	Dynarmic::ExclusiveMonitor exclusiveMonitor{1};
+	MyEnvironment env;
+	Memory& mem;
+	Scheduler& scheduler;
+	Emulator& emu;
 
-public:
-    static constexpr u64 ticksPerSec = 268111856;
+  public:
+    static constexpr u64 ticksPerSec = Scheduler::arm11Clock;
 
-    CPU(Memory& mem, Kernel& kernel);
+    CPU(Memory& mem, Kernel& kernel, Emulator& emu);
     void reset();
 
     void setReg(int index, u32 value) {
@@ -162,29 +167,20 @@ public:
     }
 
     u64 getTicks() {
-        return env.totalTicks;
+        return scheduler.currentTimestamp;
     }
 
     // Get reference to tick count. Memory needs access to this
     u64& getTicksRef() {
-        return env.totalTicks;
+        return scheduler.currentTimestamp;
     }
 
-    void clearCache() { jit->ClearCache(); }
-
-    void runFrame() {
-		env.ticksLeft = ticksPerSec / 60;
-	execute:
-		const auto exitReason = jit->Run();
-
-		if (static_cast<u32>(exitReason) != 0) [[unlikely]] {
-			// Cache invalidation needs to exit the JIT so it returns a CacheInvalidation HaltReason. In our case, we just go back to executing
-            // The goto might be terrible but it does guarantee that this does not recursively call run and crash, instead getting optimized to a jump
-			if (Dynarmic::Has(exitReason, Dynarmic::HaltReason::CacheInvalidation)) {
-				goto execute;
-			} else {
-				Helpers::panic("Exit reason: %d\nPC: %08X", static_cast<u32>(exitReason), getReg(15));
-			}
-		}
+	Scheduler& getScheduler() {
+		return scheduler;
 	}
+
+    void addTicks(u64 ticks) { env.AddTicks(ticks); }
+
+    void clearCache() { jit->ClearCache(); }
+    void runFrame();
 };

include/emulator.hpp

@@ -15,6 +15,7 @@
 #include "io_file.hpp"
 #include "lua_manager.hpp"
 #include "memory.hpp"
+#include "scheduler.hpp"
 
 #ifdef PANDA3DS_ENABLE_HTTP_SERVER
 #include "http_server.hpp"
@@ -42,6 +43,7 @@ class Emulator {
 	Kernel kernel;
 	Crypto::AESEngine aesEngine;
 	Cheats cheats;
+	Scheduler scheduler;
 
 	// Variables to keep track of whether the user is controlling the 3DS analog stick with their keyboard
 	// This is done so when a gamepad is connected, we won't automatically override the 3DS analog stick settings with the gamepad's state
@@ -85,6 +87,8 @@ class Emulator {
 	// change ROMs. If Reload is selected, the emulator will reload its selected ROM. This is useful for eg a "reset" button that keeps the current
 	// ROM and just resets the emu
 	enum class ReloadOption { NoReload, Reload };
+	// Used in CPU::runFrame
+	bool frameDone = false;
 
 	Emulator();
 	~Emulator();
@@ -94,6 +98,8 @@ class Emulator {
 	void reset(ReloadOption reload);
 	void run(void* frontend = nullptr);
 	void runFrame();
+	// Poll the scheduler for events
+	void pollScheduler();
 
 	void resume();  // Resume the emulator
 	void pause();   // Pause the emulator
@@ -121,6 +127,7 @@ class Emulator {
 	Cheats& getCheats() { return cheats; }
 	ServiceManager& getServiceManager() { return kernel.getServiceManager(); }
 	LuaManager& getLua() { return lua; }
+	Scheduler& getScheduler() { return scheduler; }
 
 	RendererType getRendererType() const { return config.rendererType; }
 	Renderer* getRenderer() { return gpu.getRenderer(); }
@@ -128,6 +135,8 @@ class Emulator {
 
 	std::filesystem::path getConfigPath();
 	std::filesystem::path getAndroidAppPath();
+	// Get the root path for the emulator's app data
+	std::filesystem::path getAppDataRoot();
 
 	std::span<u8> getSMDH();
 };

include/fs/archive_sdmc.hpp

@@ -5,8 +5,10 @@
 using Result::HorizonResult;
 
 class SDMCArchive : public ArchiveBase {
-public:
-	SDMCArchive(Memory& mem) : ArchiveBase(mem) {}
+	bool isWriteOnly = false;  // There's 2 variants of the SDMC archive: Regular one (Read/Write) and write-only
+
+  public:
+	SDMCArchive(Memory& mem, bool writeOnly = false) : ArchiveBase(mem), isWriteOnly(writeOnly) {}
 
 	u64 getFreeBytes() override { return 1_GB; }
 	std::string name() override { return "SDMC"; }

include/kernel/handles.hpp

@@ -53,6 +53,7 @@ namespace KernelHandles {
 		GSPSharedMemHandle = MaxServiceHandle + 1, // Handle for the GSP shared memory
 		FontSharedMemHandle,
 		CSNDSharedMemHandle,
+		APTCaptureSharedMemHandle, // Shared memory for display capture info,  
 		HIDSharedMemHandle,
 
 		MinSharedMemHandle = GSPSharedMemHandle,

include/kernel/kernel.hpp

@@ -70,6 +70,7 @@ public:
 	Handle makeMutex(bool locked = false); // Needs to be public to be accessible to the APT/DSP services
 	Handle makeSemaphore(u32 initialCount, u32 maximumCount); // Needs to be public to be accessible to the service manager port
 	Handle makeTimer(ResetType resetType);
+	void pollTimers();
 
 	// Signals an event, returns true on success or false if the event does not exist
 	bool signalEvent(Handle e);
@@ -94,7 +95,7 @@ public:
 	void releaseMutex(Mutex* moo);
 	void cancelTimer(Timer* timer);
 	void signalTimer(Handle timerHandle, Timer* timer);
-	void updateTimer(Handle timerHandle, Timer* timer);
+	u64 getWakeupTick(s64 ns);
 
 	// Wake up the thread with the highest priority out of all threads in the waitlist
 	// Returns the index of the woken up thread
@@ -137,6 +138,7 @@ public:
 	void duplicateHandle();
 	void exitThread();
 	void mapMemoryBlock();
+	void unmapMemoryBlock();
 	void queryMemory();
 	void getCurrentProcessorNumber();
 	void getProcessID();

include/kernel/kernel_types.hpp

@@ -83,56 +83,53 @@ struct Port {
 };
 
 struct Session {
-    Handle portHandle; // The port this session is subscribed to
-    Session(Handle portHandle) : portHandle(portHandle) {}
+	Handle portHandle;  // The port this session is subscribed to
+	Session(Handle portHandle) : portHandle(portHandle) {}
 };
 
 enum class ThreadStatus {
-    Running,     // Currently running
-    Ready,       // Ready to run
-    WaitArbiter, // Waiting on an address arbiter
-    WaitSleep,   // Waiting due to a SleepThread SVC
-    WaitSync1,   // Waiting for the single object in the wait list to be ready
-    WaitSyncAny, // Wait for one object of the many that might be in the wait list to be ready
-    WaitSyncAll, // Waiting for ALL sync objects in its wait list to be ready
-    WaitIPC,     // Waiting for the reply from an IPC request
-    Dormant,     // Created but not yet made ready
-    Dead         // Run to completion, or forcefully terminated
+	Running,      // Currently running
+	Ready,        // Ready to run
+	WaitArbiter,  // Waiting on an address arbiter
+	WaitSleep,    // Waiting due to a SleepThread SVC
+	WaitSync1,    // Waiting for the single object in the wait list to be ready
+	WaitSyncAny,  // Wait for one object of the many that might be in the wait list to be ready
+	WaitSyncAll,  // Waiting for ALL sync objects in its wait list to be ready
+	WaitIPC,      // Waiting for the reply from an IPC request
+	Dormant,      // Created but not yet made ready
+	Dead          // Run to completion, or forcefully terminated
 };
 
 struct Thread {
-    u32 initialSP;  // Initial r13 value
-    u32 entrypoint; // Initial r15 value
-    u32 priority;
-    u32 arg;
-    ProcessorID processorID;
-    ThreadStatus status;
-    Handle handle;  // OS handle for this thread
-    int index; // Index of the thread. 0 for the first thread, 1 for the second, and so on
+	u32 initialSP;   // Initial r13 value
+	u32 entrypoint;  // Initial r15 value
+	u32 priority;
+	u32 arg;
+	ProcessorID processorID;
+	ThreadStatus status;
+	Handle handle;  // OS handle for this thread
+	int index;      // Index of the thread. 0 for the first thread, 1 for the second, and so on
 
-    // The waiting address for threads that are waiting on an AddressArbiter
-    u32 waitingAddress;
+	// The waiting address for threads that are waiting on an AddressArbiter
+	u32 waitingAddress;
 
-    // The nanoseconds until a thread wakes up from being asleep or from timing out while waiting on an arbiter
-    u64 waitingNanoseconds;
-    // The tick this thread went to sleep on
-    u64 sleepTick;
-    // For WaitSynchronization(N): A vector of objects this thread is waiting for
-    std::vector<Handle> waitList;
-    // For WaitSynchronizationN: Shows whether the object should wait for all objects in the wait list or just one
-    bool waitAll;
-    // For WaitSynchronizationN: The "out" pointer
-    u32 outPointer;
+	// For WaitSynchronization(N): A vector of objects this thread is waiting for
+	std::vector<Handle> waitList;
+	// For WaitSynchronizationN: Shows whether the object should wait for all objects in the wait list or just one
+	bool waitAll;
+	// For WaitSynchronizationN: The "out" pointer
+	u32 outPointer;
+	u64 wakeupTick;
 
-    // Thread context used for switching between threads
-    std::array<u32, 16> gprs;
-    std::array<u32, 32> fprs; // Stored as u32 because dynarmic does it
-    u32 cpsr;
-    u32 fpscr;
-    u32 tlsBase; // Base pointer for thread-local storage
+	// Thread context used for switching between threads
+	std::array<u32, 16> gprs;
+	std::array<u32, 32> fprs;  // Stored as u32 because dynarmic does it
+	u32 cpsr;
+	u32 fpscr;
+	u32 tlsBase;  // Base pointer for thread-local storage
 
-    // A list of threads waiting for this thread to terminate. Yes, threads are sync objects too.
-    u64 threadsWaitingForTermination;
+	// A list of threads waiting for this thread to terminate. Yes, threads are sync objects too.
+	u64 threadsWaitingForTermination;
 };
 
 static const char* kernelObjectTypeToString(KernelObjectType t) {
@@ -177,13 +174,12 @@ struct Timer {
 	u64 waitlist;  // Refer to the getWaitlist function below for documentation
 	ResetType resetType = ResetType::OneShot;
 
-	u64 startTick;     // CPU tick the timer started
-	u64 currentDelay;  // Number of ns until the timer fires next time
+	u64 fireTick;      // CPU tick the timer will be fired
 	u64 interval;      // Number of ns until the timer fires for the second and future times
 	bool fired;        // Has this timer been signalled?
 	bool running;      // Is this timer running or stopped?
 
-	Timer(ResetType type) : resetType(type), startTick(0), currentDelay(0), interval(0), waitlist(0), fired(false), running(false) {}
+	Timer(ResetType type) : resetType(type), fireTick(0), interval(0), waitlist(0), fired(false), running(false) {}
 };
 
 struct MemoryBlock {

include/logger.hpp

@@ -2,6 +2,10 @@
 #include <cstdarg>
 #include <fstream>
 
+#ifdef __ANDROID__
+#include <android/log.h>
+#endif
+
 namespace Log {
 	// Our logger class
 	template <bool enabled>
@@ -12,7 +16,11 @@ namespace Log {
 
 			std::va_list args;
 			va_start(args, fmt);
+#ifdef __ANDROID__
+			__android_log_vprint(ANDROID_LOG_DEFAULT, "Panda3DS", fmt, args);
+#else
 			std::vprintf(fmt, args);
+#endif
 			va_end(args);
 		}
 	};
@@ -81,4 +89,4 @@ namespace Log {
 #else
 #define MAKE_LOG_FUNCTION(functionName, logger) MAKE_LOG_FUNCTION_USER(functionName, logger)
 #endif
-}
+}

include/memory.hpp

@@ -112,11 +112,12 @@ class Memory {
 	// This tracks our OS' memory allocations
 	std::vector<KernelMemoryTypes::MemoryInfo> memoryInfo;
 
-	std::array<SharedMemoryBlock, 4> sharedMemBlocks = {
+	std::array<SharedMemoryBlock, 5> sharedMemBlocks = {
 		SharedMemoryBlock(0, 0, KernelHandles::FontSharedMemHandle), // Shared memory for the system font (size is 0 because we read the size from the cmrc filesystem
 		SharedMemoryBlock(0, 0x1000, KernelHandles::GSPSharedMemHandle), // GSP shared memory
 		SharedMemoryBlock(0, 0x1000, KernelHandles::HIDSharedMemHandle),  // HID shared memory
 		SharedMemoryBlock(0, 0x3000, KernelHandles::CSNDSharedMemHandle), // CSND shared memory
+		SharedMemoryBlock(0, 0xE7000, KernelHandles::APTCaptureSharedMemHandle),  // APT Capture Buffer memory
  	};
 
 public:

include/panda_qt/cheats_window.hpp

@@ -0,0 +1,26 @@
+#pragma once
+
+#include <QAction>
+#include <QWidget>
+#include <filesystem>
+#include <memory>
+
+#include "emulator.hpp"
+
+class QListWidget;
+
+class CheatsWindow final : public QWidget {
+	Q_OBJECT
+
+  public:
+	CheatsWindow(Emulator* emu, const std::filesystem::path& path, QWidget* parent = nullptr);
+	~CheatsWindow() = default;
+
+  private:
+	void addEntry();
+	void removeClicked();
+
+	QListWidget* cheatList;
+	std::filesystem::path cheatPath;
+	Emulator* emu;
+};

include/panda_qt/main_window.hpp

@@ -5,6 +5,7 @@
 #include <QtWidgets>
 #include <atomic>
 #include <filesystem>
+#include <functional>
 #include <mutex>
 #include <thread>
 #include <vector>
@@ -12,16 +13,38 @@
 #include "emulator.hpp"
 #include "panda_qt/about_window.hpp"
 #include "panda_qt/config_window.hpp"
+#include "panda_qt/cheats_window.hpp"
 #include "panda_qt/screen.hpp"
 #include "panda_qt/text_editor.hpp"
 #include "services/hid.hpp"
 
+struct CheatMessage {
+	u32 handle;
+	std::vector<uint8_t> cheat;
+	std::function<void(u32)> callback;
+};
+
 class MainWindow : public QMainWindow {
 	Q_OBJECT
 
   private:
 	// Types of messages we might send from the GUI thread to the emulator thread
-	enum class MessageType { LoadROM, Reset, Pause, Resume, TogglePause, DumpRomFS, PressKey, ReleaseKey, LoadLuaScript };
+	enum class MessageType {
+		LoadROM,
+		Reset,
+		Pause,
+		Resume,
+		TogglePause,
+		DumpRomFS,
+		PressKey,
+		ReleaseKey,
+		SetCirclePadX,
+		SetCirclePadY,
+		LoadLuaScript,
+		EditCheat,
+		PressTouchscreen,
+		ReleaseTouchscreen,
+	};
 
 	// Tagged union representing our message queue messages
 	struct EmulatorMessage {
@@ -36,9 +59,22 @@ class MainWindow : public QMainWindow {
 				u32 key;
 			} key;
 
+			struct {
+				s16 value;
+			} circlepad;
+
 			struct {
 				std::string* str;
 			} string;
+
+			struct {
+				CheatMessage* c;
+			} cheat;
+
+			struct {
+				u16 x;
+				u16 y;
+			} touchscreen;
 		};
 	};
 
@@ -54,6 +90,7 @@ class MainWindow : public QMainWindow {
 	ScreenWidget screen;
 	AboutWindow* aboutWindow;
 	ConfigWindow* configWindow;
+	CheatsWindow* cheatsEditor;
 	TextEditorWindow* luaEditor;
 	QMenuBar* menuBar = nullptr;
 
@@ -63,6 +100,7 @@ class MainWindow : public QMainWindow {
 	void selectROM();
 	void dumpRomFS();
 	void openLuaEditor();
+	void openCheatsEditor();
 	void showAboutMenu();
 	void sendMessage(const EmulatorMessage& message);
 	void dispatchMessage(const EmulatorMessage& message);
@@ -77,5 +115,9 @@ class MainWindow : public QMainWindow {
 
 	void keyPressEvent(QKeyEvent* event) override;
 	void keyReleaseEvent(QKeyEvent* event) override;
+	void mousePressEvent(QMouseEvent* event) override;
+	void mouseReleaseEvent(QMouseEvent* event) override;
+
 	void loadLuaScript(const std::string& code);
+	void editCheat(u32 handle, const std::vector<uint8_t>& cheat, const std::function<void(u32)>& callback);
 };

include/scheduler.hpp

@@ -0,0 +1,89 @@
+#pragma once
+#include <boost/container/flat_map.hpp>
+#include <boost/container/static_vector.hpp>
+#include <limits>
+
+#include "helpers.hpp"
+#include "logger.hpp"
+
+struct Scheduler {
+	enum class EventType {
+		VBlank = 0,          // End of frame event
+		UpdateTimers = 1,    // Update kernel timer objects
+		Panic = 2,           // Dummy event that is always pending and should never be triggered (Timestamp = UINT64_MAX)
+		TotalNumberOfEvents  // How many event types do we have in total?
+	};
+	static constexpr usize totalNumberOfEvents = static_cast<usize>(EventType::TotalNumberOfEvents);
+	static constexpr u64 arm11Clock = 268111856;
+
+	template <typename Key, typename Val, usize size>
+	using EventMap = boost::container::flat_multimap<Key, Val, std::less<Key>, boost::container::static_vector<std::pair<Key, Val>, size>>;
+
+	EventMap<u64, EventType, totalNumberOfEvents> events;
+	u64 currentTimestamp = 0;
+	u64 nextTimestamp = 0;
+
+	// Set nextTimestamp to the timestamp of the next event
+	void updateNextTimestamp() { nextTimestamp = events.cbegin()->first; }
+
+	void addEvent(EventType type, u64 timestamp) {
+		events.emplace(timestamp, type);
+		updateNextTimestamp();
+	}
+
+	void removeEvent(EventType type) {
+		for (auto it = events.begin(); it != events.end(); it++) {
+			// Find first event of type "type" and remove it.
+			// Our scheduler shouldn't have duplicate events, so it's safe to exit when an event is found
+			if (it->second == type) {
+				events.erase(it);
+				updateNextTimestamp();
+				break;
+			}
+		}
+	};
+
+	void reset() {
+		currentTimestamp = 0;
+
+		// Clear any pending events
+		events.clear();
+		addEvent(Scheduler::EventType::VBlank, arm11Clock / 60);
+
+		// Add a dummy event to always keep the scheduler non-empty
+		addEvent(EventType::Panic, std::numeric_limits<u64>::max());
+	}
+
+  private:
+	static constexpr u64 MAX_VALUE_TO_MULTIPLY = std::numeric_limits<s64>::max() / arm11Clock;
+
+  public:
+	// Function for converting time units to cycles for various kernel functions
+	// Thank you Citra
+	static constexpr s64 nsToCycles(float ns) { return s64(arm11Clock * (0.000000001f) * ns); }
+	static constexpr s64 nsToCycles(int ns) { return arm11Clock * s64(ns) / 1000000000; }
+
+	static constexpr s64 nsToCycles(s64 ns) {
+		if (ns / 1000000000 > static_cast<s64>(MAX_VALUE_TO_MULTIPLY)) {
+			return std::numeric_limits<s64>::max();
+		}
+
+		if (ns > static_cast<s64>(MAX_VALUE_TO_MULTIPLY)) {
+			return arm11Clock * (ns / 1000000000);
+		}
+
+		return (arm11Clock * ns) / 1000000000;
+	}
+
+	static constexpr s64 nsToCycles(u64 ns) {
+		if (ns / 1000000000 > MAX_VALUE_TO_MULTIPLY) {
+			return std::numeric_limits<s64>::max();
+		}
+
+		if (ns > MAX_VALUE_TO_MULTIPLY) {
+			return arm11Clock * (s64(ns) / 1000000000);
+		}
+
+		return (arm11Clock * s64(ns)) / 1000000000;
+	}
+};

include/services/boss.hpp

@@ -14,6 +14,7 @@ class BOSSService {
 	void cancelTask(u32 messagePointer);
 	void initializeSession(u32 messagePointer);
 	void getErrorCode(u32 messagePointer);
+	void getNewArrivalFlag(u32 messagePointer);
 	void getNsDataIdList(u32 messagePointer, u32 commandWord);
 	void getOptoutFlag(u32 messagePointer);
 	void getStorageEntryInfo(u32 messagePointer); // Unknown what this is, name taken from Citra

include/services/cam.hpp

@@ -12,22 +12,45 @@
 class Kernel;
 
 class CAMService {
+	using Event = std::optional<Handle>;
+
+	struct Port {
+		Event bufferErrorInterruptEvent = std::nullopt;
+		Event receiveEvent = std::nullopt;
+		u16 transferBytes;
+
+		void reset() {
+			bufferErrorInterruptEvent = std::nullopt;
+			receiveEvent = std::nullopt;
+			transferBytes = 256;
+		}
+	};
+
 	Handle handle = KernelHandles::CAM;
 	Memory& mem;
 	Kernel& kernel;
 	MAKE_LOG_FUNCTION(log, camLogger)
 
-	using Event = std::optional<Handle>;
-	static constexpr size_t portCount = 4; // PORT_NONE, PORT_CAM1, PORT_CAM2, PORT_BOTH
-	std::array<Event, portCount> bufferErrorInterruptEvents;
+	static constexpr size_t portCount = 2;
+	std::array<Port, portCount> ports;
 
 	// Service commands
 	void driverInitialize(u32 messagePointer);
+	void driverFinalize(u32 messagePointer);
+	void getMaxBytes(u32 messagePointer);
 	void getMaxLines(u32 messagePointer);
 	void getBufferErrorInterruptEvent(u32 messagePointer);
+	void getSuitableY2RCoefficients(u32 messagePointer);
+	void getTransferBytes(u32 messagePointer);
 	void setContrast(u32 messagePointer);
 	void setFrameRate(u32 messagePointer);
+	void setReceiving(u32 messagePointer);
+	void setSize(u32 messagePointer);
+	void setTransferBytes(u32 messagePointer);
 	void setTransferLines(u32 messagePointer);
+	void setTrimming(u32 messagePointer);
+	void setTrimmingParamsCenter(u32 messagePointer);
+	void startCapture(u32 messagePointer);
 
   public:
 	CAMService(Memory& mem, Kernel& kernel) : mem(mem), kernel(kernel) {}

include/services/fs.hpp

@@ -26,6 +26,7 @@ class FSService {
 	SelfNCCHArchive selfNcch;
 	SaveDataArchive saveData;
 	SDMCArchive sdmc;
+	SDMCArchive sdmcWriteOnly;
 	NCCHArchive ncch;
 
 	// UserSaveData archives
@@ -61,6 +62,7 @@ class FSService {
 	void getFreeBytes(u32 messagePointer);
 	void getFormatInfo(u32 messagePointer);
 	void getPriority(u32 messagePointer);
+	void getSdmcArchiveResource(u32 messagePointer);
 	void getThisSaveDataSecureValue(u32 messagePointer);
 	void theGameboyVCFunction(u32 messagePointer);
 	void initialize(u32 messagePointer);
@@ -81,9 +83,9 @@ class FSService {
 
 public:
 	FSService(Memory& mem, Kernel& kernel, const EmulatorConfig& config)
-		: mem(mem), saveData(mem), sharedExtSaveData_nand(mem, "../SharedFiles/NAND", true), extSaveData_sdmc(mem, "SDMC"), sdmc(mem), selfNcch(mem),
-		  ncch(mem), userSaveData1(mem, ArchiveID::UserSaveData1), userSaveData2(mem, ArchiveID::UserSaveData2), kernel(kernel), config(config),
-		  systemSaveData(mem) {}
+		: mem(mem), saveData(mem), sharedExtSaveData_nand(mem, "../SharedFiles/NAND", true), extSaveData_sdmc(mem, "SDMC"), sdmc(mem),
+		  sdmcWriteOnly(mem, true), selfNcch(mem), ncch(mem), userSaveData1(mem, ArchiveID::UserSaveData1),
+		  userSaveData2(mem, ArchiveID::UserSaveData2), kernel(kernel), config(config), systemSaveData(mem) {}
 
 	void reset();
 	void handleSyncRequest(u32 messagePointer);

include/services/gsp_gpu.hpp

@@ -60,12 +60,22 @@ class GPUService {
 	};
 	static_assert(sizeof(FramebufferUpdate) == 64, "GSP::GPU::FramebufferUpdate has the wrong size");
 
+	// Used for saving and restoring GPU state via ImportDisplayCaptureInfo
+	struct CaptureInfo {
+		u32 leftFramebuffer; // Left framebuffer VA
+		u32 rightFramebuffer; // Right framebuffer VA (Top screen only)
+		u32 format;
+		u32 stride;
+	};
+	static_assert(sizeof(CaptureInfo) == 16, "GSP::GPU::CaptureInfo has the wrong size");
+
 	// Service commands
 	void acquireRight(u32 messagePointer);
 	void flushDataCache(u32 messagePointer);
 	void importDisplayCaptureInfo(u32 messagePointer);
 	void registerInterruptRelayQueue(u32 messagePointer);
 	void releaseRight(u32 messagePointer);
+	void restoreVramSysArea(u32 messagePointer);
 	void saveVramSysArea(u32 messagePointer);
 	void setAxiConfigQoSMode(u32 messagePointer);
 	void setBufferSwap(u32 messagePointer);
@@ -86,6 +96,15 @@ class GPUService {
 
 	void setBufferSwapImpl(u32 screen_id, const FramebufferInfo& info);
 
+	// Get the framebuffer info in shared memory for a given screen
+	FramebufferUpdate* getFramebufferInfo(int screen) {
+		// TODO: Offset depends on GSP thread being triggered
+		return reinterpret_cast<FramebufferUpdate*>(&sharedMem[0x200 + screen * sizeof(FramebufferUpdate)]);
+	}
+
+	FramebufferUpdate* getTopFramebufferInfo() { return getFramebufferInfo(0); }
+	FramebufferUpdate* getBottomFramebufferInfo() { return getFramebufferInfo(1); }
+
 public:
 	GPUService(Memory& mem, GPU& gpu, Kernel& kernel, u32& currentPID) : mem(mem), gpu(gpu),
 		kernel(kernel), currentPID(currentPID) {}

include/services/ptm.hpp

@@ -17,6 +17,7 @@ class PTMService {
 	void getAdapterState(u32 messagePointer);
 	void getBatteryChargeState(u32 messagePointer);
 	void getBatteryLevel(u32 messagePointer);
+	void getPedometerState(u32 messagePointer);
 	void getStepHistory(u32 messagePointer);
 	void getStepHistoryAll(u32 messagePointer);
 	void getTotalStepCount(u32 messagePointer);

include/services/y2r.hpp

@@ -98,6 +98,7 @@ class Y2RService {
 	void setSendingY(u32 messagePointer);
 	void setSendingU(u32 messagePointer);
 	void setSendingV(u32 messagePointer);
+	void setSendingYUV(u32 messagePointer);
 	void setSpacialDithering(u32 messagePointer);
 	void setStandardCoeff(u32 messagePointer);
 	void setTemporalDithering(u32 messagePointer);