[GUI] New box "About" in configuration (#165)

* Added about tab with github and discord

* Added discord & github svgs and svg support

* Changed svg to pngs and localization text in english & spanish

src/SharpEmu.CLI/Program.cs

@@ -5,6 +5,7 @@ using SharpEmu.Core.Runtime;
 using SharpEmu.Core.Cpu;
 using SharpEmu.GUI;
 using SharpEmu.HLE;
+using SharpEmu.Libs.VideoOut;
 using SharpEmu.Logging;
 using System.Runtime.InteropServices;
 using System.Text;
@@ -111,8 +112,16 @@ internal static partial class Program
         using var runtime = SharpEmuRuntime.CreateDefault(runtimeOptions);
 
         OrbisGen2Result result;
+        ConsoleCancelEventHandler? cancelHandler = null;
         try
         {
+            cancelHandler = (_, eventArgs) =>
+            {
+                eventArgs.Cancel = true;
+                VideoOutExports.NotifyHostInterrupt();
+            };
+            Console.CancelKeyPress += cancelHandler;
+
             Console.Error.WriteLine($"[DEBUG] Running: {ebootPath}");
             result = runtime.Run(ebootPath);
             Console.Error.WriteLine($"[DEBUG] Result: {result}");
@@ -123,6 +132,13 @@ internal static partial class Program
             Log.Error("SharpEmu failed to run.", ex);
             return 3;
         }
+        finally
+        {
+            if (cancelHandler is not null)
+            {
+                Console.CancelKeyPress -= cancelHandler;
+            }
+        }
 
         Log.Info($"SharpEmu execution completed. Result={result} (0x{(int)result:X8})");
         if (!string.IsNullOrWhiteSpace(runtime.LastSessionSummary))

src/SharpEmu.CLI/SharpEmu.CLI.csproj

@@ -24,6 +24,9 @@ SPDX-License-Identifier: GPL-2.0-or-later
     <ImplicitUsings>enable</ImplicitUsings>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     <Version>0.0.1</Version>
+    <ServerGarbageCollection>true</ServerGarbageCollection>
+    <ConcurrentGarbageCollection>true</ConcurrentGarbageCollection>
+    <TieredPGO>true</TieredPGO>
   </PropertyGroup>
 
   <PropertyGroup Condition="'$(Configuration)' == 'Release'">

src/SharpEmu.Core/Cpu/Native/DirectExecutionBackend.Imports.cs

@@ -161,7 +161,7 @@ public sealed partial class DirectExecutionBackend
 				*(ulong*)(xmmSlot + 8));
 		}
 		cpuContext[CpuRegister.Rsp] = (ulong)argPackPtr + 96uL;
-		if (string.Equals(importStubEntry.Nid, RuntimeStubNids.BootstrapBridge, StringComparison.Ordinal))
+		if (importStubEntry.Kind == ImportStubKind.BootstrapBridge)
 		{
 			NormalizeKernelDynlibDlsymArguments(cpuContext, out _, out _);
 			*(ulong*)argPackPtr = cpuContext[CpuRegister.Rdi];
@@ -238,6 +238,22 @@ public sealed partial class DirectExecutionBackend
 			cpuContext[CpuRegister.Rax] = 0uL;
 			return 0uL;
 		}
+		if (_hostShutdownRequested)
+		{
+			if (isGuestWorker &&
+				TryYieldGuestThreadToHostStub(argPackPtr, num, num7, importStubEntry.Nid, "host shutdown"))
+			{
+				cpuContext[CpuRegister.Rax] = 0uL;
+				return 0uL;
+			}
+
+			if (!isGuestWorker &&
+				TryAbortGuestForHostShutdown(argPackPtr, num, num7))
+			{
+				cpuContext[CpuRegister.Rax] = 1uL;
+				return 1uL;
+			}
+		}
 		bool flag0 = ShouldSuppressStrlenTrace(importStubEntry.Nid);
 		bool flag = num7 >= 2156221920u && num7 <= 2156225024u;
 		bool flag2 = num7 >= 2156351360u && num7 <= 2156352080u;
@@ -245,12 +261,13 @@ public sealed partial class DirectExecutionBackend
 		bool flag4 = !string.IsNullOrWhiteSpace(_importFilter);
 		bool flag5 = false;
 		ExportedFunction? matchedExport = importStubEntry.Export;
+		var traceFlags = importStubEntry.TraceFlags;
 		bool periodicTrace = num <= 128 ||
 			(num >= 240 && num <= 400) ||
 			(num >= 900 && num <= 1300) ||
 			num % 100000 == 0L ||
-			(importStubEntry.Nid == "tsvEmnenz48" && (num <= 256 || num % 1000 == 0L)) ||
-			(importStubEntry.Nid == "rTXw65xmLIA" && (num <= 256 || num % 128 == 0)) ||
+			((traceFlags & ImportStubTraceFlags.PeriodicEvery1000) != 0 && (num <= 256 || num % 1000 == 0L)) ||
+			((traceFlags & ImportStubTraceFlags.PeriodicEvery128) != 0 && (num <= 256 || num % 128 == 0)) ||
 			flag ||
 			flag2 ||
 			flag3;
@@ -311,15 +328,15 @@ public sealed partial class DirectExecutionBackend
 				cpuContext[CpuRegister.Rsi],
 				cpuContext[CpuRegister.Rdx]);
 		}
-		if (importStubEntry.Nid == "8zTFvBIAIN8" && num <= 256)
+		if ((traceFlags & ImportStubTraceFlags.Memset) != 0 && num <= 256)
 		{
 			Console.Error.WriteLine($"[LOADER][TRACE] memset#{num}: dst=0x{cpuContext[CpuRegister.Rdi]:X16} val=0x{cpuContext[CpuRegister.Rsi] & 0xFF:X2} len=0x{cpuContext[CpuRegister.Rdx]:X16} ret=0x{num7:X16}");
 		}
-		if (importStubEntry.Nid == "tsvEmnenz48" && num <= 64)
+		if ((traceFlags & ImportStubTraceFlags.CxaAtexit) != 0 && num <= 64)
 		{
 			Console.Error.WriteLine($"[LOADER][TRACE] __cxa_atexit#{num}: func=0x{cpuContext[CpuRegister.Rdi]:X16} arg=0x{cpuContext[CpuRegister.Rsi]:X16} dso=0x{cpuContext[CpuRegister.Rdx]:X16} ret=0x{num7:X16}");
 		}
-		if (importStubEntry.Nid == "bzQExy189ZI" || importStubEntry.Nid == "8G2LB+A3rzg")
+		if ((traceFlags & ImportStubTraceFlags.RawArgs) != 0)
 		{
 			Console.Error.WriteLine($"[LOADER][TRACE] {importStubEntry.Nid}#{num}: rdi=0x{cpuContext[CpuRegister.Rdi]:X16} rsi=0x{cpuContext[CpuRegister.Rsi]:X16} rdx=0x{cpuContext[CpuRegister.Rdx]:X16} ret=0x{num7:X16}");
 		}
@@ -349,7 +366,7 @@ public sealed partial class DirectExecutionBackend
 				Console.Error.Flush();
 			}
 		}
-		if (importStubEntry.Nid == "Ou3iL1abvng")
+		if ((traceFlags & ImportStubTraceFlags.StackChkFail) != 0)
 		{
 			if (_logStackCheck)
 			{
@@ -381,7 +398,7 @@ public sealed partial class DirectExecutionBackend
 				ActiveGuestReturnSlotAddress);
 			try
 			{
-				if (string.Equals(importStubEntry.Nid, RuntimeStubNids.BootstrapBridge, StringComparison.Ordinal))
+				if (importStubEntry.Kind == ImportStubKind.BootstrapBridge)
 				{
 					if (_logBootstrap)
 					{
@@ -390,12 +407,11 @@ public sealed partial class DirectExecutionBackend
 
 					orbisGen2Result = DispatchBootstrapBridge();
 				}
-				else if (string.Equals(importStubEntry.Nid, RuntimeStubNids.KernelDynlibDlsym, StringComparison.Ordinal) ||
-					string.Equals(importStubEntry.Nid, "LwG8g3niqwA", StringComparison.Ordinal))
+				else if (importStubEntry.Kind == ImportStubKind.KernelDynlibDlsym)
 				{
 					orbisGen2Result = DispatchKernelDynlibDlsym();
 				}
-				else if (string.Equals(importStubEntry.Nid, "r8mvOaWdi28", StringComparison.Ordinal))
+				else if (importStubEntry.Kind == ImportStubKind.Il2CppApiLookupSymbol)
 				{
 					orbisGen2Result = DispatchIl2CppApiLookupSymbol();
 				}
@@ -736,6 +752,9 @@ public sealed partial class DirectExecutionBackend
 		var expectedEqueueTimeout =
 			string.Equals(nid, "fzyMKs9kim0", StringComparison.Ordinal) &&
 			result == OrbisGen2Result.ORBIS_GEN2_ERROR_TIMED_OUT;
+		var expectedEventFlagTimeout =
+			string.Equals(nid, "JTvBflhYazQ", StringComparison.Ordinal) &&
+			result == OrbisGen2Result.ORBIS_GEN2_ERROR_TIMED_OUT;
 		var expectedMutexTrylockBusy =
 			string.Equals(nid, "K-jXhbt2gn4", StringComparison.Ordinal) &&
 			result == OrbisGen2Result.ORBIS_GEN2_ERROR_BUSY;
@@ -748,6 +767,7 @@ public sealed partial class DirectExecutionBackend
 		if (!expectedFileProbeMiss &&
 			!expectedTimedWaitTimeout &&
 			!expectedEqueueTimeout &&
+			!expectedEventFlagTimeout &&
 			!expectedMutexTrylockBusy &&
 			!expectedUserServiceNoEvent &&
 			!expectedPrivacyInvalidParameter)
@@ -810,14 +830,15 @@ public sealed partial class DirectExecutionBackend
 			return !_logUsleep;
 		}
 
-		// Only mutex/rwlock *lock* is excluded: it may block a contended acquire, which the
-		// leaf path can't. unlock never blocks and stays here — routing it off the fast path
-		// slows guest spinlocks enough to livelock (Demon's Souls).
+		// Mutex lock uses this block-capable leaf path. Keep it out of the no-block subset.
 		return nid is
+			"9UK1vLZQft4" or // scePthreadMutexLock
+			"7H0iTOciTLo" or // pthread_mutex_lock
 			"tn3VlD0hG60" or // scePthreadMutexUnlock
 			"2Z+PpY6CaJg" or // pthread_mutex_unlock
 			"EgmLo6EWgso" or // pthread_rwlock_unlock
 			"+L98PIbGttk" or // scePthreadRwlockUnlock
+			"q1cHNfGycLI" or // scePadRead
 			"8aI7R7WaOlc" or // sceAmprCommandBufferConstructor
 			"zgXifHT9ErY" or // sceVideoOutIsFlipPending
 			"V++UgBtQhn0" or // sceAgcGetDataPacketPayloadAddress
@@ -876,7 +897,7 @@ public sealed partial class DirectExecutionBackend
 			"Q2V+iqvjgC0" or // vsnprintf
 			"j4ViWNHEgww" or // strlen
 			"5jNubw4vlAA" or // strnlen
-			"LHMrG7e8G78" or // wcslen
+			"LHMrG7e8G78" or // wcsmisc
 			"WkkeywLJcgU" or // wcslen
 			"Ovb2dSJOAuE" or // strcmp
 			"aesyjrHVWy4" or // strncmp
@@ -970,6 +991,31 @@ public sealed partial class DirectExecutionBackend
 		return true;
 	}
 
+	private unsafe bool TryAbortGuestForHostShutdown(nint argPackPtr, long dispatchIndex, ulong returnRip)
+	{
+		ulong hostExit = ActiveEntryReturnSentinelRip;
+		if (hostExit < 65536 || !TryPatchActiveGuestReturnSlot(hostExit))
+		{
+			return false;
+		}
+		try
+		{
+			*(ulong*)(argPackPtr + 96) = hostExit;
+		}
+		catch
+		{
+			return false;
+		}
+		ActiveForcedGuestExit = true;
+		if (string.IsNullOrWhiteSpace(LastError))
+		{
+			LastError = "Host shutdown requested.";
+		}
+		Console.Error.WriteLine(
+			$"[LOADER][INFO] Guest unwind for host shutdown at import#{dispatchIndex} ret=0x{returnRip:X16} -> host_exit=0x{hostExit:X16}");
+		return true;
+	}
+
 	private unsafe bool TryCompleteGuestEntryToHostStub(nint argPackPtr, long dispatchIndex, ulong returnRip, string nid, string reason, ulong value)
 	{
 		ulong hostExit = ActiveEntryReturnSentinelRip;
@@ -1076,9 +1122,15 @@ public sealed partial class DirectExecutionBackend
 	}
 
 	private static bool IsImportLoopGuardBoundary(string nid) =>
-		string.Equals(nid, "1jfXLRVzisc", StringComparison.Ordinal) ||
-		string.Equals(nid, "Zxa0VhQVTsk", StringComparison.Ordinal) ||
-		string.Equals(nid, "T72hz6ffq08", StringComparison.Ordinal);
+    nid switch
+    {
+        "1jfXLRVzisc" => true, // sceKernelUsleep
+        "QcteRwbsnV0" => true, // usleep
+        "n88vx3C5nW8" => true, // gettimeofday
+        "Zxa0VhQVTsk" => true, // sceKernelWaitSema
+        "T72hz6ffq08" => true, // scePthreadYield
+        _ => false
+    };
 
 	private void ResetImportLoopPattern()
 	{

src/SharpEmu.Core/Cpu/Native/DirectExecutionBackend.cs

@@ -25,6 +25,26 @@ public sealed unsafe partial class DirectExecutionBackend : INativeCpuBackend, I
 
 	private const int DefaultImportLoopGuardSeconds = 5;
 
+	private enum ImportStubKind : byte
+	{
+		Normal = 0,
+		BootstrapBridge = 1,
+		KernelDynlibDlsym = 2,
+		Il2CppApiLookupSymbol = 3,
+	}
+
+	[Flags]
+	private enum ImportStubTraceFlags : byte
+	{
+		None = 0,
+		Memset = 1 << 0,
+		CxaAtexit = 1 << 1,
+		RawArgs = 1 << 2,
+		StackChkFail = 1 << 3,
+		PeriodicEvery1000 = 1 << 4,
+		PeriodicEvery128 = 1 << 5,
+	}
+
 	private readonly struct ImportStubEntry
 	{
 		public ulong Address { get; }
@@ -33,12 +53,36 @@ public sealed unsafe partial class DirectExecutionBackend : INativeCpuBackend, I
 
 		public ExportedFunction? Export { get; }
 
+		public ImportStubKind Kind { get; }
+
+		public ImportStubTraceFlags TraceFlags { get; }
+
 		public ImportStubEntry(ulong address, string nid, ExportedFunction? export)
 		{
 			Address = address;
 			Nid = nid;
 			Export = export;
+			Kind = ClassifyKind(nid);
+			TraceFlags = ClassifyTraceFlags(nid);
 		}
+
+		private static ImportStubKind ClassifyKind(string nid) => nid switch
+		{
+			RuntimeStubNids.BootstrapBridge => ImportStubKind.BootstrapBridge,
+			RuntimeStubNids.KernelDynlibDlsym or "LwG8g3niqwA" => ImportStubKind.KernelDynlibDlsym,
+			"r8mvOaWdi28" => ImportStubKind.Il2CppApiLookupSymbol,
+			_ => ImportStubKind.Normal,
+		};
+
+		private static ImportStubTraceFlags ClassifyTraceFlags(string nid) => nid switch
+		{
+			"8zTFvBIAIN8" => ImportStubTraceFlags.Memset,
+			"tsvEmnenz48" => ImportStubTraceFlags.CxaAtexit | ImportStubTraceFlags.PeriodicEvery1000,
+			"bzQExy189ZI" or "8G2LB+A3rzg" => ImportStubTraceFlags.RawArgs,
+			"Ou3iL1abvng" => ImportStubTraceFlags.StackChkFail,
+			"rTXw65xmLIA" => ImportStubTraceFlags.PeriodicEvery128,
+			_ => ImportStubTraceFlags.None,
+		};
 	}
 
 	private readonly record struct RecentImportTraceEntry(
@@ -125,6 +169,8 @@ public sealed unsafe partial class DirectExecutionBackend : INativeCpuBackend, I
 
 	private const ulong GuestThreadRegionStride = 0x0100_0000UL;
 
+	private const int GuestThreadRegionSlotCount = 256;
+
 	private const uint PAGE_EXECUTE_READWRITE = 64u;
 
 	private const uint PAGE_READWRITE = 4u;
@@ -530,6 +576,10 @@ public sealed unsafe partial class DirectExecutionBackend : INativeCpuBackend, I
 	// thread entering a freed stub).
 	private volatile bool _guestTeardownRequested;
 
+	private volatile bool _hostShutdownRequested;
+
+	private static volatile DirectExecutionBackend? _activeSessionBackend;
+
 	private int _readyGuestThreadCount;
 
 	private readonly Dictionary<ulong, GuestThreadState> _guestThreads = new Dictionary<ulong, GuestThreadState>();
@@ -766,7 +816,8 @@ public sealed unsafe partial class DirectExecutionBackend : INativeCpuBackend, I
 
 	private bool ActiveForcedGuestExit
 	{
-		get => HasActiveExecutionThread ? _activeForcedGuestExit : _forcedGuestExit;
+		get => _hostShutdownRequested ||
+			(HasActiveExecutionThread ? _activeForcedGuestExit : _forcedGuestExit);
 		set
 		{
 			if (HasActiveExecutionThread)
@@ -928,7 +979,10 @@ public sealed unsafe partial class DirectExecutionBackend : INativeCpuBackend, I
 		_importLoopGuardSeconds = GetImportLoopGuardSeconds();
 		_entryReturnSentinelRip = 0uL;
 		_forcedGuestExit = false;
+		_hostShutdownRequested = false;
 		_guestTeardownRequested = false;
+		_activeSessionBackend = this;
+		HostSessionControl.SetShutdownHandler(RequestHostShutdown);
 		_importLoopSignatureCount = 0;
 		_importLoopSignatureWriteIndex = 0;
 		_importLoopPatternHits = 0;
@@ -976,12 +1030,28 @@ public sealed unsafe partial class DirectExecutionBackend : INativeCpuBackend, I
 		}
 		finally
 		{
+			HostSessionControl.SetShutdownHandler(null);
+			if (ReferenceEquals(_activeSessionBackend, this))
+			{
+				_activeSessionBackend = null;
+			}
 			DrainDeferredBootstrapTraces();
 			GuestThreadExecution.Scheduler = previousGuestThreadScheduler;
 			Console.Error.WriteLine("[LOADER][INFO] === Execute END (LastError: " + (LastError ?? "null") + ") ===");
 		}
 	}
 
+	internal void RequestHostShutdown(string reason)
+	{
+		_hostShutdownRequested = true;
+		_forcedGuestExit = true;
+		_guestTeardownRequested = true;
+		LastError = string.IsNullOrWhiteSpace(reason)
+			? "Host shutdown requested."
+			: $"Host shutdown requested: {reason}";
+		Console.Error.WriteLine($"[LOADER][INFO] {LastError}");
+	}
+
 	private bool SetupImportStubs(IReadOnlyDictionary<ulong, string> importStubs)
 	{
 		Console.Error.WriteLine($"[LOADER][INFO] Setting up {importStubs.Count} import stubs...");
@@ -2757,7 +2827,21 @@ public sealed unsafe partial class DirectExecutionBackend : INativeCpuBackend, I
 			if (hostThread is not null &&
 				!ReferenceEquals(hostThread, Thread.CurrentThread))
 			{
-				hostThread.Join(1);
+				// The handle is published before the host thread starts.
+				if ((hostThread.ThreadState & System.Threading.ThreadState.Unstarted) != 0)
+				{
+					Thread.Sleep(1);
+					continue;
+				}
+
+				try
+				{
+					hostThread.Join(1);
+				}
+				catch (ThreadStateException)
+				{
+					Thread.Sleep(1);
+				}
 			}
 			else
 			{
@@ -3446,7 +3530,7 @@ public sealed unsafe partial class DirectExecutionBackend : INativeCpuBackend, I
 		out ulong mappedBase,
 		out string? error)
 	{
-		for (int i = 0; i < 64; i++)
+		for (int i = 0; i < GuestThreadRegionSlotCount; i++)
 		{
 			var candidateBase = baseAddress - ((ulong)i * GuestThreadRegionStride);
 			if (!IsGuestThreadRegionFree(virtualMemory, candidateBase, size))
@@ -3480,7 +3564,7 @@ public sealed unsafe partial class DirectExecutionBackend : INativeCpuBackend, I
 		out ulong tlsBase,
 		out string? error)
 	{
-		for (int i = 0; i < 64; i++)
+		for (int i = 0; i < GuestThreadRegionSlotCount; i++)
 		{
 			var candidateBase = GuestThreadTlsBaseAddress - ((ulong)i * GuestThreadRegionStride);
 			var mappedBase = candidateBase - GuestThreadTlsPrefixSize;
@@ -4365,7 +4449,9 @@ public sealed unsafe partial class DirectExecutionBackend : INativeCpuBackend, I
 				result = OrbisGen2Result.ORBIS_GEN2_ERROR_CPU_TRAP;
 				if (string.IsNullOrEmpty(LastError))
 				{
-					LastError = "Detected repeating import loop and forced guest unwind to host.";
+					LastError = _hostShutdownRequested
+						? "Host shutdown requested."
+						: "Detected repeating import loop and forced guest unwind to host.";
 				}
 				Console.Error.WriteLine("[LOADER][ERROR] " + LastError);
 				RequestGuestThreadTeardown(3000);

src/SharpEmu.Core/Loader/ParamLoader.cs

@@ -45,7 +45,13 @@ public static class Ps5ParamJsonReader
 
         try
         {
-            using var doc = JsonDocument.Parse(data);
+            ReadOnlyMemory<byte> json = data;
+            if (json.Span.StartsWith("\uFEFF"u8))
+            {
+                json = json[3..];
+            }
+
+            using var doc = JsonDocument.Parse(json);
             return TryReadPs5Param(doc.RootElement);
         }
         catch (JsonException)
@@ -56,12 +62,15 @@ public static class Ps5ParamJsonReader
 
     private static (string? Title, string? TitleId, string? Version) TryReadPs5Param(JsonElement root)
     {
-        string? titleId = root.TryGetProperty("titleId", out var eTid) ? eTid.GetString() : null;
+        if (root.ValueKind != JsonValueKind.Object)
+            return (null, null, null);
+
+        var titleId = GetString(root, "titleId");
 
         string? ver =
-            (root.TryGetProperty("contentVersion", out var cv) ? cv.GetString() : null)
-            ?? (root.TryGetProperty("masterVersion", out var mv) ? mv.GetString() : null)
-            ?? (root.TryGetProperty("targetContentVersion", out var tv) ? tv.GetString() : null);
+            GetString(root, "contentVersion")
+            ?? GetString(root, "masterVersion")
+            ?? GetString(root, "targetContentVersion");
 
         string? title = ExtractTitleName(root);
 
@@ -70,34 +79,49 @@ public static class Ps5ParamJsonReader
 
     private static string? ExtractTitleName(JsonElement root)
     {
-        if (!root.TryGetProperty("localizedParameters", out var lp))
+        if ((!root.TryGetProperty("localizedParameters", out var lp) || lp.ValueKind != JsonValueKind.Object) &&
+            root.TryGetProperty("disc", out var disc) && disc.ValueKind == JsonValueKind.Object)
         {
-            if (root.TryGetProperty("disc", out var disc) && disc.ValueKind == JsonValueKind.Object)
-            {
-                disc.TryGetProperty("localizedParameters", out lp);
-            }
+            disc.TryGetProperty("localizedParameters", out lp);
         }
 
         if (lp.ValueKind != JsonValueKind.Object)
             return null;
 
-        string? defLang = lp.TryGetProperty("defaultLanguage", out var dl) ? dl.GetString() : null;
+        var defLang = GetString(lp, "defaultLanguage");
 
         if (!string.IsNullOrEmpty(defLang))
         {
             if (lp.TryGetProperty(defLang, out var langObj) && langObj.ValueKind == JsonValueKind.Object)
             {
-                if (langObj.TryGetProperty("titleName", out var tn))
-                    return tn.GetString();
+                var title = GetString(langObj, "titleName");
+                if (!string.IsNullOrWhiteSpace(title))
+                    return title;
             }
         }
 
         if (lp.TryGetProperty("en-US", out var en) && en.ValueKind == JsonValueKind.Object)
         {
-            if (en.TryGetProperty("titleName", out var tn2))
-                return tn2.GetString();
+            var title = GetString(en, "titleName");
+            if (!string.IsNullOrWhiteSpace(title))
+                return title;
+        }
+
+        foreach (var property in lp.EnumerateObject())
+        {
+            if (property.Value.ValueKind == JsonValueKind.Object)
+            {
+                var title = GetString(property.Value, "titleName");
+                if (!string.IsNullOrWhiteSpace(title))
+                    return title;
+            }
         }
 
         return null;
     }
+
+    private static string? GetString(JsonElement parent, string propertyName) =>
+        parent.TryGetProperty(propertyName, out var value) && value.ValueKind == JsonValueKind.String
+            ? value.GetString()
+            : null;
 }

src/SharpEmu.Core/Memory/PhysicalVirtualMemory.cs

@@ -550,6 +550,47 @@ public sealed unsafe class PhysicalVirtualMemory : IVirtualMemory, IGuestMemoryA
         }
     }
 
+    public bool TryCompare(ulong virtualAddress, ReadOnlySpan<byte> expected)
+    {
+        _gate.EnterReadLock();
+        try
+        {
+            var region = FindRegion(virtualAddress, (ulong)expected.Length);
+            if (region is null ||
+                !TryResolveRegionOffset(
+                    virtualAddress,
+                    (ulong)expected.Length,
+                    region,
+                    out var offset))
+            {
+                return false;
+            }
+
+            if (expected.IsEmpty)
+            {
+                return true;
+            }
+
+            var srcPtr = (void*)(region.VirtualAddress + offset);
+            if (region.IsReservedOnly &&
+                !EnsureRangeCommitted((ulong)srcPtr, (ulong)expected.Length, region))
+            {
+                return false;
+            }
+
+            if (!CanReadWithoutProtectionChange((ulong)srcPtr, (ulong)expected.Length, region))
+            {
+                return false;
+            }
+
+            return new ReadOnlySpan<byte>(srcPtr, expected.Length).SequenceEqual(expected);
+        }
+        finally
+        {
+            _gate.ExitReadLock();
+        }
+    }
+
     public bool TryWrite(ulong virtualAddress, ReadOnlySpan<byte> source)
     {
         var requiresExclusiveAccess = false;

src/SharpEmu.GUI/Languages/ar.json

@@ -0,0 +1,129 @@
+{
+  "_languageName": "العربية",
+
+  "Page.Library": "المكتبة",
+  "Page.Options": "الخيارات",
+  "Page.GameCount.One": "لعبة واحدة",
+  "Page.GameCount.Other": "{0} لعبة",
+
+  "Library.SearchWatermark": "ابحث في المكتبة...",
+  "Library.AddFolder": "＋ إضافة مجلد",
+  "Library.Rescan": "⟳ إعادة الفحص",
+  "Library.OpenFile": "فتح ملف...",
+
+  "Library.Context.Launch": "تشغيل",
+  "Library.Context.OpenFolder": "فتح مجلد اللعبة",
+  "Library.Context.CopyPath": "نسخ المسار",
+  "Library.Context.CopyTitleId": "نسخ معرف العنوان",
+  "Library.Context.Remove": "إزالة من المكتبة",
+
+  "Library.Empty.Title": "مكتبتك فارغة",
+  "Library.Empty.Hint": "أضف مجلداً يحتوي على ألعابك للبدء.",
+  "Library.Empty.SearchTitle": "لا توجد ألعاب تطابق بحثك",
+  "Library.Empty.SearchHint": "لا شيء في المكتبة يطابق “{0}”.",
+  "Library.Empty.AddFolder": "＋ إضافة مجلد ألعاب",
+
+  "Library.Loading": "جارٍ تحميل المكتبة...",
+
+  "Options.General": "عام",
+  "Options.Section.Emulation": "المحاكاة",
+  "Options.Section.Logging": "التسجيل",
+  "Options.Section.Launcher": "المُشغِّل",
+
+  "Options.CpuEngine.Label": "محرك المعالج",
+  "Options.CpuEngine.Desc": "محرك التنفيذ المستخدم لتشغيل كود اللعبة.", 
+  "Options.CpuEngine.Native": "أصلي",
+
+  "Options.Strict.Label": "ربط صارم للمكتبات الديناميكية (dynlib)",
+  "Options.Strict.Desc": "إفشال التشغيل عندما يتعذر التعرف على رمز مستورد.",
+
+  "Options.LogLevel.Label": "مستوى التسجيل",
+  "Options.LogLevel.Desc": "مدى تفصيل مخرجات نافذة سجلات المحاكي.",
+  "Options.LogLevel.Trace": "تتبع",
+  "Options.LogLevel.Debug": "تصحيح الأخطاء",
+  "Options.LogLevel.Info": "معلومات",
+  "Options.LogLevel.Warning": "تحذير",
+  "Options.LogLevel.Error": "خطأ",
+  "Options.LogLevel.Critical": "حرج",
+
+  "Options.TraceImports.Label": "حد تتبع الاستيراد",
+  "Options.TraceImports.Desc": "تتبع أول N استيراد لكل وحدة (0 = إيقاف).",
+
+  "Options.LogToFile.Label": "التسجيل في ملف",
+  "Options.LogToFile.Desc": "نسخ مخرجات المحاكي إلى ملف سجل.",
+
+  "Options.LogFilePath.Label": "مسار ملف السجل",
+  "Options.LogFilePath.Default": "لا يوجد مسار مخصص — تُحفظ السجلات في user/logs بجوار المحاكي.",
+  "Options.LogFilePath.Select": "تحديد...",
+
+  "Options.OverrideLogFile.Label": "الكتابة فوق ملف السجل",
+  "Options.OverrideLogFile.Desc": "استخدام مسار الملف الدقيق بدلاً من إلحاق معرف العنوان والطابع الزمني.",
+
+  "Options.TitleMusic.Label": "موسيقى اللعبة",
+  "Options.TitleMusic.Desc": "تكرار موسيقى المعاينة للعبة المحددة في المكتبة.",
+
+  "Options.Discord.Label": "حالة دسكورد",
+  "Options.Discord.Desc": "إظهار اللعبة قيد التشغيل في ملفك الشخصي على دسكورد.",
+
+  "Options.Language.Label": "لغة المحاكي",
+  "Options.Language.Desc": "اللغة المستخدمة في جميع أنحاء المشغل. تُطبق فوراً.",
+
+  "Common.On": "تشغيل",
+  "Common.Off": "إيقاف",
+
+  "Console.Title": "نافذة السجلات",
+  "Console.SearchWatermark": "بحث...",
+  "Console.AutoScroll": "تمرير تلقائي",
+  "Console.Split": "تقسيم",
+  "Console.Copy": "نسخ",
+  "Console.Clear": "مسح",
+  "Console.WindowTitle": "نافذة سجلات SharpEmu",
+
+  "Launch.NoGameSelected": "لم تُحدد أي لعبة",
+  "Launch.NoGameHint": "اختر لعبة من المكتبة، أو افتح ملف eboot.bin مباشرة.",
+  "Launch.Idle": "خامل",
+  "Launch.Console": "≡ نافذة السجلات",
+  "Launch.Launch": "▶  تشغيل",
+  "Launch.Stop": "■  إيقاف",
+  "Launch.Running": "قيد التشغيل — {0}",
+  "Launch.Stopping": "جارٍ الإيقاف...",
+  "Launch.Exited": "انتهى برمز {0} ({1})",
+  "Launch.ExeNotFound": "لم يُعثر على الملف التنفيذي SharpEmu. ابنِ مشروع SharpEmu.CLI أولاً (dotnet build).",
+  "Launch.LogFile": "ملف السجل: {0}",
+  "Launch.Command": "$ SharpEmu {0}",
+  "Launch.StartFailed": "فشل بدء تشغيل المحاكي: {0}",
+  "Launch.ProcessExited": "انتهت العملية برمز {0} ({1}).",
+
+  "Exit.Ok": "موافق",
+  "Exit.InvalidArguments": "معطيات غير صالحة",
+  "Exit.EbootNotFound": "لم يُعثر على eboot",
+  "Exit.RuntimeException": "استثناء وقت التشغيل",
+  "Exit.EmulationError": "خطأ في المحاكاة",
+  "Exit.Unknown": "غير معروف",
+
+  "Status.EmulatorLocating": "المحاكي: جارٍ تحديد الموقع...",
+  "Status.EmulatorPath": "المحاكي: {0}",
+  "Status.EmulatorNotFound": "المحاكي: لم يُعثر على الملف التنفيذي SharpEmu — ابنِ SharpEmu.CLI أولاً.",
+  "Status.ScanningLibrary": "جارٍ فحص المكتبة...",
+  "Status.AddFolderPrompt": "أضف مجلد ألعاب لملء المكتبة.",
+  "Status.LibraryScanned": "فُحصت المكتبة: {0} لعبة في {1} مجلد.",
+  "Status.CouldNotOpenFolder": "تعذر فتح المجلد: {0}",
+  "Status.CopiedToClipboard": "نُسخ {0} إلى الحافظة.",
+  "Status.RemovedFromLibrary": "أُزيل “{0}” من المكتبة. أعد إضافة مجلده لاستعادته.",
+  "Status.Running": "جارٍ تشغيل {0}",
+  "Status.Stopping": "جارٍ الإيقاف...",
+  "Status.Idle": "خامل",
+
+  "Clipboard.Path": "المسار",
+  "Clipboard.TitleId": "معرف العنوان",
+
+  "Discord.Playing": "يلعب {0}",
+  "Discord.Browsing": "يتصفح المكتبة",
+
+  "Dialog.ChooseGameFolder": "اختر مجلداً يحتوي على ألعاب",
+  "Dialog.OpenExecutable": "افتح ملفاً تنفيذياً لتشغيله",
+  "Dialog.PsExecutables": "ملفات PS التنفيذية",
+  "Dialog.SaveLogFile": "حدد مكان حفظ ملف السجل",
+  "Dialog.PlainTextFiles": "ملفات نصية عادية",
+  "Dialog.LogFiles": "ملفات السجل"
+}

src/SharpEmu.GUI/Languages/br.json

@@ -0,0 +1,129 @@
+{
+  "_languageName": "Português (Brasil)",
+
+  "Page.Library": "Biblioteca",
+  "Page.Options": "Opções",
+  "Page.GameCount.One": "1 Jogo",
+  "Page.GameCount.Other": "{0} jogos",
+
+  "Library.SearchWatermark": "Pesquisar na biblioteca…",
+  "Library.AddFolder": "＋ Adicionar pasta",
+  "Library.Rescan": "⟳ Atualizar biblioteca",
+  "Library.OpenFile": "Abrir arquivo…",
+
+  "Library.Context.Launch": "Jogar",
+  "Library.Context.OpenFolder": "Abrir pasta do jogo",
+  "Library.Context.CopyPath": "Copiar o caminho",
+  "Library.Context.CopyTitleId": "Copiar ID do título",
+  "Library.Context.Remove": "Remover da biblioteca",
+
+  "Library.Empty.Title": "Sua biblioteca está vazia",
+  "Library.Empty.Hint": "Adicione uma pasta contendo seus jogos para começar.",
+  "Library.Empty.SearchTitle": "Nenhum jogo corresponde à sua busca",
+  "Library.Empty.SearchHint": "Nada na biblioteca corresponde a “{0}”.",
+  "Library.Empty.AddFolder": "＋ Adicionar pasta do jogo",
+
+  "Library.Loading": "Carregando biblioteca…",
+
+  "Options.General": "Opções Gerais",
+  "Options.Section.Emulation": "EMULAÇÃO",
+  "Options.Section.Logging": "LOGS",
+  "Options.Section.Launcher": "INICIALIZADOR",
+
+  "Options.CpuEngine.Label": "Motor da CPU",
+  "Options.CpuEngine.Desc": "Motor de execução usado para executar o código do jogo.",
+  "Options.CpuEngine.Native": "Nativo",
+
+  "Options.Strict.Label": "Resolução estrita de bibliotecas dinâmicas",
+  "Options.Strict.Desc": "Interrompe a inicialização caso um símbolo importado não possa ser vinculado.",
+
+  "Options.LogLevel.Label": "Nível de log",
+  "Options.LogLevel.Desc": "Nível de detalhamento das mensagens exibidas no console do emulador.",
+  "Options.LogLevel.Trace": "Trace",
+  "Options.LogLevel.Debug": "Debug",
+  "Options.LogLevel.Info": "Info",
+  "Options.LogLevel.Warning": "Warning",
+  "Options.LogLevel.Error": "Error",
+  "Options.LogLevel.Critical": "Critical",
+
+  "Options.TraceImports.Label": "Limite de rastreamento de importações",
+  "Options.TraceImports.Desc": "Rastreia as primeiras N importações de cada módulo (0 = desativado).",
+
+  "Options.LogToFile.Label": "Salvar log em arquivo",
+  "Options.LogToFile.Desc": "Copia a saída do emulador para um arquivo de log.",
+
+  "Options.LogFilePath.Label": "Caminho do arquivo de log",
+  "Options.LogFilePath.Default": "Nenhum caminho definido — logs vão para user/logs na pasta do emulador.",
+  "Options.LogFilePath.Select": "Selecionar…",
+
+  "Options.OverrideLogFile.Label": "Sobrescrever arquivo de log",
+  "Options.OverrideLogFile.Desc": "Use o caminho exato do arquivo em vez de adicionar o ID do título e o log de data e hora.",
+
+  "Options.TitleMusic.Label": "Música de prévia",
+  "Options.TitleMusic.Desc": "Reproduz em loop a música de prévia do jogo selecionado na biblioteca.",
+
+  "Options.Discord.Label": "Status do Discord",
+  "Options.Discord.Desc": "Exibir o jogo em execução no seu perfil do Discord.",
+
+  "Options.Language.Label": "Idioma do emulador",
+  "Options.Language.Desc": "Idioma usado em toda a interface do emulador. A alteração é aplicada imediatamente.",
+
+  "Common.On": "Ativado",
+  "Common.Off": "Desativado",
+
+  "Console.Title": "CONSOLE",
+  "Console.SearchWatermark": "Pesquisar...",
+  "Console.AutoScroll": "Rolagem automática",
+  "Console.Split": "Recortar",
+  "Console.Copy": "Copiar",
+  "Console.Clear": "Limpar",
+  "Console.WindowTitle": "Console do SharpEmu",
+
+  "Launch.NoGameSelected": "Nenhum jogo selecionado",
+  "Launch.NoGameHint": "Selecione um jogo na biblioteca ou abra um arquivo eboot.bin diretamente.",
+  "Launch.Idle": "Ocioso",
+  "Launch.Console": "≡ Console",
+  "Launch.Launch": "▶  Iniciar",
+  "Launch.Stop": "■  Parar",
+  "Launch.Running": "Em execução — {0}",
+  "Launch.Stopping": "Encerrando…",
+  "Launch.Exited": "Encerrado com código {0} ({1})",
+  "Launch.ExeNotFound": "Executável do SharpEmu não encontrado. Compile primeiro o projeto SharpEmu.CLI (dotnet build).",
+  "Launch.LogFile": "Arquivo de log: {0}",
+  "Launch.Command": "$ SharpEmu {0}",
+  "Launch.StartFailed": "Falha ao iniciar o emulador: {0}",
+  "Launch.ProcessExited": "O processo foi encerrado com código {0} ({1}).",
+
+  "Exit.Ok": "OK",
+  "Exit.InvalidArguments": "argumentos inválidos",
+  "Exit.EbootNotFound": "eboot.bin não encontrado",
+  "Exit.RuntimeException": "exceção em tempo de execução",
+  "Exit.EmulationError": "erro de emulação",
+  "Exit.Unknown": "desconhecido",
+
+  "Status.EmulatorLocating": "Emulador: localizando…",
+  "Status.EmulatorPath": "Emulador: {0}",
+  "Status.EmulatorNotFound": "Emulador: executável do SharpEmu não encontrado — compile o SharpEmu.CLI primeiro.",
+  "Status.ScanningLibrary": "Verificando biblioteca…",
+  "Status.AddFolderPrompt": "Adicione uma pasta de jogos para preencher a biblioteca.",
+  "Status.LibraryScanned": "Biblioteca verificada: {0} jogo(s) em {1} pasta(s).",
+  "Status.CouldNotOpenFolder": "Não foi possível abrir a pasta: {0}",
+  "Status.CopiedToClipboard": "{0} copiado para a área de transferência.",
+  "Status.RemovedFromLibrary": "“{0}” removido da biblioteca. Adicione novamente sua pasta para restaurá-lo.",
+  "Status.Running": "Executando {0}",
+  "Status.Stopping": "Encerrando…",
+  "Status.Idle": "Ocioso",
+
+  "Clipboard.Path": "Caminho",
+  "Clipboard.TitleId": "ID do título",
+
+  "Discord.Playing": "Jogando {0}",
+  "Discord.Browsing": "Navegando pela biblioteca",
+
+  "Dialog.ChooseGameFolder": "Escolha uma pasta contendo jogos",
+  "Dialog.OpenExecutable": "Abrir um executável para iniciar",
+  "Dialog.PsExecutables": "Executáveis de PS",
+  "Dialog.SaveLogFile": "Selecione onde salvar o arquivo de log",
+  "Dialog.PlainTextFiles": "Arquivos de texto simples",
+  "Dialog.LogFiles": "Arquivos de log"
+}

src/SharpEmu.GUI/Languages/de.json

@@ -0,0 +1,129 @@
+{
+  "_languageName": "Deutsch",
+
+  "Page.Library": "Bibliothek",
+  "Page.Options": "Optionen",
+  "Page.GameCount.One": "1 Spiel",
+  "Page.GameCount.Other": "{0} Spiele",
+
+  "Library.SearchWatermark": "Bibliothek durchsuchen…",
+  "Library.AddFolder": "＋ Spielordner hinzufügen",
+  "Library.Rescan": "⟳ Neu scannen",
+  "Library.OpenFile": "Datei öffnen…",
+
+  "Library.Context.Launch": "Starten",
+  "Library.Context.OpenFolder": "Spielordner öffnen",
+  "Library.Context.CopyPath": "Pfad kopieren",
+  "Library.Context.CopyTitleId": "Title ID kopieren",
+  "Library.Context.Remove": "Aus Bibliothek entfernen",
+
+  "Library.Empty.Title": "Deine Bibliothek ist leer",
+  "Library.Empty.Hint": "Füge einen Ordner mit deinen Spielen hinzu, um zu beginnen.",
+  "Library.Empty.SearchTitle": "Keine Spiele gefunden",
+  "Library.Empty.SearchHint": "Nichts in der Bibliothek entspricht "{0}".",
+  "Library.Empty.AddFolder": "＋ Spielordner hinzufügen",
+
+  "Library.Loading": "Bibliothek wird geladen…",
+
+  "Options.General": "Allgemein",
+  "Options.Section.Emulation": "EMULATION",
+  "Options.Section.Logging": "PROTOKOLLIERUNG",
+  "Options.Section.Launcher": "LAUNCHER",
+
+  "Options.CpuEngine.Label": "CPU-Engine",
+  "Options.CpuEngine.Desc": "Ausführungs-Engine, die zum Ausführen des Spiel-Codes verwendet wird.",
+  "Options.CpuEngine.Native": "Nativ",
+
+  "Options.Strict.Label": "Strikte dynlib-Auflösung",
+  "Options.Strict.Desc": "Starten abbrechen, wenn ein importiertes Symbol nicht aufgelöst werden kann.",
+
+  "Options.LogLevel.Label": "Protokollstufe",
+  "Options.LogLevel.Desc": "Ausführlichkeit der Emulator-Konsolenausgabe.",
+  "Options.LogLevel.Trace": "Trace",
+  "Options.LogLevel.Debug": "Debug",
+  "Options.LogLevel.Info": "Info",
+  "Options.LogLevel.Warning": "Warnung",
+  "Options.LogLevel.Error": "Fehler",
+  "Options.LogLevel.Critical": "Kritisch",
+
+  "Options.TraceImports.Label": "Import-Trace-Limit",
+  "Options.TraceImports.Desc": "Die ersten N Imports pro Modul verfolgen (0 = aus).",
+
+  "Options.LogToFile.Label": "In Datei protokollieren",
+  "Options.LogToFile.Desc": "Emulator-Ausgabe zusätzlich in eine Log-Datei schreiben.",
+
+  "Options.LogFilePath.Label": "Protokolldatei-Pfad",
+  "Options.LogFilePath.Default": "Kein benutzerdefinierter Pfad – Logs werden im Ordner user/logs neben dem Emulator gespeichert.",
+  "Options.LogFilePath.Select": "Auswählen…",
+
+  "Options.OverrideLogFile.Label": "Protokolldatei überschreiben",
+  "Options.OverrideLogFile.Desc": "Genauen Dateipfad verwenden, statt Title-ID und Zeitstempel anzuhängen.",
+
+  "Options.TitleMusic.Label": "Titel-Musik",
+  "Options.TitleMusic.Desc": "Die Vorschau-Musik des ausgewählten Spiels in der Bibliothek loopend abspielen.",
+
+  "Options.Discord.Label": "Discord-Präsenz",
+  "Options.Discord.Desc": "Zeigt das aktuell gespielte Spiel in deinem Discord-Profil an.",
+
+  "Options.Language.Label": "Emulator-Sprache",
+  "Options.Language.Desc": "Sprache der Benutzeroberfläche. Wird sofort angewendet.",
+
+  "Common.On": "An",
+  "Common.Off": "Aus",
+
+  "Console.Title": "KONSOLE",
+  "Console.SearchWatermark": "Suchen...",
+  "Console.AutoScroll": "Auto-Scroll",
+  "Console.Split": "Teilen",
+  "Console.Copy": "Kopieren",
+  "Console.Clear": "Leeren",
+  "Console.WindowTitle": "SharpEmu Konsole",
+
+  "Launch.NoGameSelected": "Kein Spiel ausgewählt",
+  "Launch.NoGameHint": "Wähle ein Spiel aus der Bibliothek aus oder öffne eine eboot.bin direkt.",
+  "Launch.Idle": "Bereit",
+  "Launch.Console": "≡ Konsole",
+  "Launch.Launch": "▶ Starten",
+  "Launch.Stop": "■ Stoppen",
+  "Launch.Running": "Läuft -- {0}",
+  "Launch.Stopping": "Wird beendet…",
+  "Launch.Exited": "Beendet mit Code {0} ({1})",
+  "Launch.ExeNotFound": "SharpEmu-Executable wurde nicht gefunden. Baue zuerst das SharpEmu.CLI-Projekt (dotnet build).",
+  "Launch.LogFile": "Log-Datei: {0}",
+  "Launch.Command": "$ SharpEmu {0}",
+  "Launch.StartFailed": "Emulator konnte nicht gestartet werden: {0}",
+  "Launch.ProcessExited": "Prozess wurde mit Code {0} ({1}) beendet.",
+
+  "Exit.Ok": "OK",
+  "Exit.InvalidArguments": "Ungültige Argumente",
+  "Exit.EbootNotFound": "eboot nicht gefunden",
+  "Exit.RuntimeException": "Laufzeitfehler",
+  "Exit.EmulationError": "Emulationsfehler",
+  "Exit.Unknown": "unbekannt",
+
+  "Status.EmulatorLocating": "Emulator: wird gesucht…",
+  "Status.EmulatorPath": "Emulator: {0}",
+  "Status.EmulatorNotFound": "Emulator: SharpEmu-Executable nicht gefunden -- baue zuerst SharpEmu.CLI.",
+  "Status.ScanningLibrary": "Bibliothek wird gescannt…",
+  "Status.AddFolderPrompt": "Füge einen Spielordner hinzu, um die Bibliothek zu füllen.",
+  "Status.LibraryScanned": "Bibliothek gescannt: {0} Spiel(e) in {1} Ordner(n).",
+  "Status.CouldNotOpenFolder": "Ordner konnte nicht geöffnet werden: {0}",
+  "Status.CopiedToClipboard": "{0} in die Zwischenablage kopiert.",
+  "Status.RemovedFromLibrary": ""{0}" wurde aus der Bibliothek entfernt. Füge den Ordner erneut hinzu, um es wiederherzustellen.",
+  "Status.Running": "Läuft {0}",
+  "Status.Stopping": "Wird gestoppt…",
+  "Status.Idle": "Bereit",
+
+  "Clipboard.Path": "Pfad",
+  "Clipboard.TitleId": "Title ID",
+
+  "Discord.Playing": "Spielt {0}",
+  "Discord.Browsing": "Durchsucht die Bibliothek",
+
+  "Dialog.ChooseGameFolder": "Spielordner auswählen",
+  "Dialog.OpenExecutable": "Ausführbare Datei zum Starten öffnen",
+  "Dialog.PsExecutables": "PS-Ausführbare Dateien",
+  "Dialog.SaveLogFile": "Protokolldatei speichern unter",
+  "Dialog.PlainTextFiles": "Textdateien",
+  "Dialog.LogFiles": "Protokolldateien"
+}

src/SharpEmu.GUI/Languages/dk.json

@@ -0,0 +1,129 @@
+{
+  "_languageName": "Dansk",
+
+  "Page.Library": "Bibliotek",
+  "Page.Options": "Indstillinger",
+  "Page.GameCount.One": "1 spil",
+  "Page.GameCount.Other": "{0} spil",
+
+  "Library.SearchWatermark": "Søg i biblioteket…",
+  "Library.AddFolder": "＋ Tilføj mappe",
+  "Library.Rescan": "⟳ Genindlæs",
+  "Library.OpenFile": "Åbn fil…",
+
+  "Library.Context.Launch": "Start",
+  "Library.Context.OpenFolder": "Åbn spilmappe",
+  "Library.Context.CopyPath": "Kopiér sti",
+  "Library.Context.CopyTitleId": "Kopiér titel-ID",
+  "Library.Context.Remove": "Fjern fra bibliotek",
+
+  "Library.Empty.Title": "Dit bibliotek er tomt",
+  "Library.Empty.Hint": "Tilføj en mappe med dine spil for at komme i gang.",
+  "Library.Empty.SearchTitle": "Ingen spil matcher din søgning",
+  "Library.Empty.SearchHint": "Intet i biblioteket matcher “{0}”.",
+  "Library.Empty.AddFolder": "＋ Tilføj spilmappe",
+
+  "Library.Loading": "Indlæser bibliotek…",
+
+  "Options.General": "Generelt",
+  "Options.Section.Emulation": "EMULERING",
+  "Options.Section.Logging": "LOGGING",
+  "Options.Section.Launcher": "LAUNCHER",
+
+  "Options.CpuEngine.Label": "CPU-engine",
+  "Options.CpuEngine.Desc": "Den eksekveringsengine der bruges til at køre spilkode.",
+  "Options.CpuEngine.Native": "Native",
+
+  "Options.Strict.Label": "Streng dynlib-opløsning",
+  "Options.Strict.Desc": "Afbryd opstarten, når et importeret symbol ikke kan findes.",
+
+  "Options.LogLevel.Label": "Logniveau",
+  "Options.LogLevel.Desc": "Detaljeringsgrad for emulatorens konsoloutput.",
+  "Options.LogLevel.Trace": "Trace",
+  "Options.LogLevel.Debug": "Debug",
+  "Options.LogLevel.Info": "Info",
+  "Options.LogLevel.Warning": "Advarsel",
+  "Options.LogLevel.Error": "Fejl",
+  "Options.LogLevel.Critical": "Kritisk",
+
+  "Options.TraceImports.Label": "Grænse for import-trace",
+  "Options.TraceImports.Desc": "Spor de første N imports pr. modul (0 = fra).",
+
+  "Options.LogToFile.Label": "Log til fil",
+  "Options.LogToFile.Desc": "Spejl emulatorens output til en logfil.",
+
+  "Options.LogFilePath.Label": "Sti til logfil",
+  "Options.LogFilePath.Default": "Ingen brugerdefineret sti — logs gemmes i user/logs ved siden af emulatoren.",
+  "Options.LogFilePath.Select": "Vælg…",
+
+  "Options.OverrideLogFile.Label": "Tilsidesæt logfil",
+  "Options.OverrideLogFile.Desc": "Brug den præcise filsti i stedet for at tilføje titel-ID og tidsstempel.",
+
+  "Options.TitleMusic.Label": "Titelmusik",
+  "Options.TitleMusic.Desc": "Gentag det valgte spils forhåndsvisningsmusik i biblioteket.",
+
+  "Options.Discord.Label": "Discord-tilstedeværelse",
+  "Options.Discord.Desc": "Vis det kørende spil på din Discord-profil.",
+
+  "Options.Language.Label": "Emulatorsprog",
+  "Options.Language.Desc": "Sprog der bruges i hele launcheren. Anvendes med det samme.",
+
+  "Common.On": "Til",
+  "Common.Off": "Fra",
+
+  "Console.Title": "KONSOL",
+  "Console.SearchWatermark": "Søg...",
+  "Console.AutoScroll": "Auto-scroll",
+  "Console.Split": "Opdel",
+  "Console.Copy": "Kopiér",
+  "Console.Clear": "Ryd",
+  "Console.WindowTitle": "SharpEmu-konsol",
+
+  "Launch.NoGameSelected": "Intet spil valgt",
+  "Launch.NoGameHint": "Vælg et spil fra biblioteket, eller åbn en eboot.bin direkte.",
+  "Launch.Idle": "Inaktiv",
+  "Launch.Console": "≡ Konsol",
+  "Launch.Launch": "▶  Start",
+  "Launch.Stop": "■  Stop",
+  "Launch.Running": "Kører — {0}",
+  "Launch.Stopping": "Stopper…",
+  "Launch.Exited": "Afsluttet med kode {0} ({1})",
+  "Launch.ExeNotFound": "SharpEmu-programmet blev ikke fundet. Byg SharpEmu.CLI-projektet først (dotnet build).",
+  "Launch.LogFile": "Logfil: {0}",
+  "Launch.Command": "$ SharpEmu {0}",
+  "Launch.StartFailed": "Kunne ikke starte emulatoren: {0}",
+  "Launch.ProcessExited": "Processen afsluttede med kode {0} ({1}).",
+
+  "Exit.Ok": "OK",
+  "Exit.InvalidArguments": "ugyldige argumenter",
+  "Exit.EbootNotFound": "eboot ikke fundet",
+  "Exit.RuntimeException": "runtime-fejl",
+  "Exit.EmulationError": "emuleringsfejl",
+  "Exit.Unknown": "ukendt",
+
+  "Status.EmulatorLocating": "Emulator: lokaliserer…",
+  "Status.EmulatorPath": "Emulator: {0}",
+  "Status.EmulatorNotFound": "Emulator: SharpEmu-programmet blev ikke fundet — byg SharpEmu.CLI først.",
+  "Status.ScanningLibrary": "Skanner bibliotek…",
+  "Status.AddFolderPrompt": "Tilføj en spilmappe for at udfylde biblioteket.",
+  "Status.LibraryScanned": "Bibliotek skannet: {0} spil i {1} mappe(r).",
+  "Status.CouldNotOpenFolder": "Kunne ikke åbne mappe: {0}",
+  "Status.CopiedToClipboard": "{0} kopieret til udklipsholderen.",
+  "Status.RemovedFromLibrary": "“{0}” fjernet fra biblioteket. Tilføj mappen igen for at gendanne det.",
+  "Status.Running": "Kører {0}",
+  "Status.Stopping": "Stopper…",
+  "Status.Idle": "Inaktiv",
+
+  "Clipboard.Path": "Sti",
+  "Clipboard.TitleId": "Titel-ID",
+
+  "Discord.Playing": "Spiller {0}",
+  "Discord.Browsing": "Gennemser biblioteket",
+
+  "Dialog.ChooseGameFolder": "Vælg en mappe der indeholder spil",
+  "Dialog.OpenExecutable": "Åbn et program der skal startes",
+  "Dialog.PsExecutables": "PS-programmer",
+  "Dialog.SaveLogFile": "Vælg hvor logfilen skal gemmes",
+  "Dialog.PlainTextFiles": "Almindelige tekstfiler",
+  "Dialog.LogFiles": "Logfiler"
+}

src/SharpEmu.GUI/Languages/en.json

@@ -125,5 +125,13 @@
   "Dialog.PsExecutables": "PS executables",
   "Dialog.SaveLogFile": "Select where to save the Log file",
   "Dialog.PlainTextFiles": "Plain Text Files",
-  "Dialog.LogFiles": "Log Files"
+  "Dialog.LogFiles": "Log Files",
+
+  "Options.About" : "About",
+  "About.Github.Label": "GitHub",
+  "About.Github.Desc": "Source code, issues and project development.",
+  "About.Discord.Label": "Discord",
+  "About.Discord.Desc": "Join the community, get support and follow development.",
+  "About.GithubButton": "Contribute in GitHub!",
+  "About.DiscordButton": "Join our Discord!"
 }

src/SharpEmu.GUI/Languages/es.json

@@ -0,0 +1,137 @@
+{
+  "_languageName": "Español",
+
+  "Page.Library": "Biblioteca",
+  "Page.Options": "Opciones",
+  "Page.GameCount.One": "1 juego",
+  "Page.GameCount.Other": "{0} juegos",
+
+  "Library.SearchWatermark": "Buscar en la biblioteca…",
+  "Library.AddFolder": "＋ Añadir carpeta",
+  "Library.Rescan": "⟳ Volver a escanear",
+  "Library.OpenFile": "Abrir archivo…",
+
+  "Library.Context.Launch": "Iniciar",
+  "Library.Context.OpenFolder": "Abrir carpeta de juegos",
+  "Library.Context.CopyPath": "Copiar ruta",
+  "Library.Context.CopyTitleId": "Copiar ID del título",
+  "Library.Context.Remove": "Eliminar de la biblioteca",
+
+  "Library.Empty.Title": "Tu biblioteca está vacía",
+  "Library.Empty.Hint": "Añade una carpeta que contenga tus juegos para empezar.",
+  "Library.Empty.SearchTitle": "Ningún juego coincide con la búsqueda",
+  "Library.Empty.SearchHint": "No se ha encontrado nada en la biblioteca que coincida con “{0}”.",
+  "Library.Empty.AddFolder": "＋ Añadir carpeta de juegos",
+
+  "Library.Loading": "Cargando biblioteca…",
+
+  "Options.General": "General",
+  "Options.Section.Emulation": "EMULACIÓN",
+  "Options.Section.Logging": "LOGS",
+  "Options.Section.Launcher": "LAUNCHER",
+
+  "Options.CpuEngine.Label": "Motor de CPU",
+  "Options.CpuEngine.Desc": "Motor utilizado para ejecutar el código del juego.",
+  "Options.CpuEngine.Native": "Nativo",
+
+  "Options.Strict.Label": "Resolución estricta de dynlib (Bibliotecas dinámicas)",
+  "Options.Strict.Desc": "Detener la ejecución cuando un símbolo importado no se pueda resolver.",
+
+  "Options.LogLevel.Label": "Nivel de Log",
+  "Options.LogLevel.Desc": "Verbosidad de la salida en consola del emulador.",
+  "Options.LogLevel.Trace": "Trazas",
+  "Options.LogLevel.Debug": "Depuración",
+  "Options.LogLevel.Info": "Información",
+  "Options.LogLevel.Warning": "Advertencia",
+  "Options.LogLevel.Error": "Error",
+  "Options.LogLevel.Critical": "Crítico",
+
+  "Options.TraceImports.Label": "Límite de trazado de importaciones",
+  "Options.TraceImports.Desc": "Trazar las primeras N importaciones por módulo (0 = off).",
+
+  "Options.LogToFile.Label": "Registrar log en archivo",
+  "Options.LogToFile.Desc": "Duplicar la salida del emulador en un archivo de logs.",
+
+  "Options.LogFilePath.Label": "Ruta del archivo de Log",
+  "Options.LogFilePath.Default": "Sin ruta personalizada — los logs van a user/logs al lado del emulador.",
+  "Options.LogFilePath.Select": "Seleccionar…",
+
+  "Options.OverrideLogFile.Label": "Sobreescribir archivo de logs",
+  "Options.OverrideLogFile.Desc": "Utilizar la misma ruta para el archivo de logs en vez de añadir la ID del título y marca de tiempo.",
+
+  "Options.TitleMusic.Label": "Música del título",
+  "Options.TitleMusic.Desc": "Repetir en bucle la preview de la música del juego seleccionado en la biblioteca.",
+
+  "Options.Discord.Label": "Actividad de Discord",
+  "Options.Discord.Desc": "Mostrar juego en ejecución en tu perfil de Discord.",
+
+  "Options.Language.Label": "Idioma del emulador",
+  "Options.Language.Desc": "Idioma utilizado en todo el launcher. Se aplica inmediatamente.",
+
+  "Common.On": "Encendido",
+  "Common.Off": "Apagado",
+
+  "Console.Title": "CONSOLA",
+  "Console.SearchWatermark": "Buscar...",
+  "Console.AutoScroll": "Desplazamiento automático",
+  "Console.Split": "Desacoplar",
+  "Console.Copy": "Copiar",
+  "Console.Clear": "Limpiar",
+  "Console.WindowTitle": "Consola SharpEmu",
+
+  "Launch.NoGameSelected": "No hay ningún juego seleccionado",
+  "Launch.NoGameHint": "Selecciona un juego de la biblioteca o abre un eboot.bin directamente.",
+  "Launch.Idle": "Inactivo",
+  "Launch.Console": "≡ Consola",
+  "Launch.Launch": "▶  Iniciar",
+  "Launch.Stop": "■  Detener",
+  "Launch.Running": "En ejecución — {0}",
+  "Launch.Stopping": "Deteniendo…",
+  "Launch.Exited": "Finalizó con el código {0} ({1})",
+  "Launch.ExeNotFound": "No se ha encontrado el ejecutable de SharpEmu. Compila previamente el proyecto SharpEmu.CLI (dotnet build).",
+  "Launch.LogFile": "Archivo de Log: {0}",
+  "Launch.Command": "$ SharpEmu {0}",
+  "Launch.StartFailed": "Error al iniciar el emulador: {0}",
+  "Launch.ProcessExited": "El proceso finalizó con el código {0} ({1}).",
+
+  "Exit.Ok": "OK",
+  "Exit.InvalidArguments": "argumentos no válidos",
+  "Exit.EbootNotFound": "no se encontró eboot",
+  "Exit.RuntimeException": "excepción en tiempo de ejecución",
+  "Exit.EmulationError": "error de emulación",
+  "Exit.Unknown": "desconocido",
+
+  "Status.EmulatorLocating": "Emulador: localizando…",
+  "Status.EmulatorPath": "Emulador: {0}",
+  "Status.EmulatorNotFound": "Emulador: No se encontró el ejecutable de SharpEmu — compila previamente SharpEmu.CLI.",
+  "Status.ScanningLibrary": "Escaneando biblioteca…",
+  "Status.AddFolderPrompt": "Añade una carpeta de juegos para poblar la biblioteca.",
+  "Status.LibraryScanned": "Biblioteca escaneada: Se encontraron {0} juego(s) en {1} carpeta(s).",
+  "Status.CouldNotOpenFolder": "No se ha podido abrir la carpeta: {0}",
+  "Status.CopiedToClipboard": "{0} copiado al portapapeles.",
+  "Status.RemovedFromLibrary": "Se eliminó “{0}” de la biblioteca. Vuelve a añadir su carpeta para restaurarlo.",
+  "Status.Running": "Ejecutando {0}",
+  "Status.Stopping": "Deteniendo…",
+  "Status.Idle": "Inactivo",
+
+  "Clipboard.Path": "Ruta",
+  "Clipboard.TitleId": "ID del título",
+
+  "Discord.Playing": "Jugando a {0}",
+  "Discord.Browsing": "Navegando en la biblioteca, buscando un juego para divertirse.",
+
+  "Dialog.ChooseGameFolder": "Selecciona una carpeta que contenga juegos",
+  "Dialog.OpenExecutable": "Abrir un ejecutable para iniciar",
+  "Dialog.PsExecutables": "Ejecutables de PS",
+  "Dialog.SaveLogFile": "Selecciona dónde guardar el archivo de Logs",
+  "Dialog.PlainTextFiles": "Archivos en texto plano",
+  "Dialog.LogFiles": "Archivos de Log",
+
+  "Options.About" : "Informacion",
+  "About.Github.Label": "GitHub",
+  "About.Github.Desc": "Código fuente, issues y desarrollo del proyecto.",
+  "About.Discord.Label": "Discord",
+  "About.Discord.Desc": "Únete a la comunidad, recibe soporte y sigue el desarrollo.",
+  "About.GithubButton": "Contribuye en GitHub!",
+  "About.DiscordButton": "Únete a nuestro Discord!"
+}

src/SharpEmu.GUI/Languages/fr.json

@@ -0,0 +1,129 @@
+{
+  "_languageName": "Français",
+
+  "Page.Library": "Bibliothèque",
+  "Page.Options": "Options",
+  "Page.GameCount.One": "1 jeu",
+  "Page.GameCount.Other": "{0} jeux",
+
+  "Library.SearchWatermark": "Rechercher dans la bibliothèque…",
+  "Library.AddFolder": "＋ Ajouter un dossier",
+  "Library.Rescan": "⟳ Analyser à nouveau",
+  "Library.OpenFile": "Ouvrir un fichier…",
+
+  "Library.Context.Launch": "Lancer",
+  "Library.Context.OpenFolder": "Ouvrir le dossier du jeu",
+  "Library.Context.CopyPath": "Copier le chemin",
+  "Library.Context.CopyTitleId": "Copier l’identifiant du jeu",
+  "Library.Context.Remove": "Retirer de la bibliothèque",
+
+  "Library.Empty.Title": "Votre bibliothèque est vide",
+  "Library.Empty.Hint": "Ajoutez un dossier contenant vos jeux pour commencer.",
+  "Library.Empty.SearchTitle": "Aucun jeu ne correspond à votre recherche",
+  "Library.Empty.SearchHint": "Aucun élément de la bibliothèque ne correspond à « {0} ».",
+  "Library.Empty.AddFolder": "＋ Ajouter un dossier de jeux",
+
+  "Library.Loading": "Chargement de la bibliothèque…",
+
+  "Options.General": "Général",
+  "Options.Section.Emulation": "ÉMULATION",
+  "Options.Section.Logging": "JOURNALISATION",
+  "Options.Section.Launcher": "LANCEUR",
+
+  "Options.CpuEngine.Label": "Moteur CPU",
+  "Options.CpuEngine.Desc": "Moteur d’exécution utilisé pour exécuter le code du jeu.",
+  "Options.CpuEngine.Native": "Natif",
+
+  "Options.Strict.Label": "Résolution stricte des bibliothèques dynamiques",
+  "Options.Strict.Desc": "Interrompre le lancement lorsqu’un symbole importé ne peut pas être résolu.",
+
+  "Options.LogLevel.Label": "Niveau de journalisation",
+  "Options.LogLevel.Desc": "Niveau de détail des messages affichés dans la console de l’émulateur.",
+  "Options.LogLevel.Trace": "Traçage",
+  "Options.LogLevel.Debug": "Débogage",
+  "Options.LogLevel.Info": "Informations",
+  "Options.LogLevel.Warning": "Avertissements",
+  "Options.LogLevel.Error": "Erreurs",
+  "Options.LogLevel.Critical": "Erreurs critiques",
+
+  "Options.TraceImports.Label": "Limite de traçage des imports",
+  "Options.TraceImports.Desc": "Tracer les N premiers imports de chaque module (0 = désactivé).",
+
+  "Options.LogToFile.Label": "Enregistrer dans un fichier",
+  "Options.LogToFile.Desc": "Copier la sortie de l’émulateur dans un fichier journal.",
+
+  "Options.LogFilePath.Label": "Chemin du fichier journal",
+  "Options.LogFilePath.Default": "Aucun chemin personnalisé — les journaux sont enregistrés dans user/logs à côté de l’émulateur.",
+  "Options.LogFilePath.Select": "Sélectionner…",
+
+  "Options.OverrideLogFile.Label": "Remplacer le fichier journal",
+  "Options.OverrideLogFile.Desc": "Utiliser exactement ce chemin au lieu d’ajouter l’identifiant du jeu et l’horodatage.",
+
+  "Options.TitleMusic.Label": "Musique du jeu",
+  "Options.TitleMusic.Desc": "Lire en boucle la musique d’aperçu du jeu sélectionné dans la bibliothèque.",
+
+  "Options.Discord.Label": "Présence Discord",
+  "Options.Discord.Desc": "Afficher le jeu en cours d’exécution sur votre profil Discord.",
+
+  "Options.Language.Label": "Langue de l’émulateur",
+  "Options.Language.Desc": "Langue utilisée dans l’ensemble du lanceur. Le changement est immédiat.",
+
+  "Common.On": "Activé",
+  "Common.Off": "Désactivé",
+
+  "Console.Title": "CONSOLE",
+  "Console.SearchWatermark": "Rechercher…",
+  "Console.AutoScroll": "Défilement automatique",
+  "Console.Split": "Détacher",
+  "Console.Copy": "Copier",
+  "Console.Clear": "Effacer",
+  "Console.WindowTitle": "Console SharpEmu",
+
+  "Launch.NoGameSelected": "Aucun jeu sélectionné",
+  "Launch.NoGameHint": "Choisissez un jeu dans la bibliothèque ou ouvrez directement un fichier eboot.bin.",
+  "Launch.Idle": "Inactif",
+  "Launch.Console": "≡ Console",
+  "Launch.Launch": "▶  Lancer",
+  "Launch.Stop": "■  Arrêter",
+  "Launch.Running": "En cours d’exécution — {0}",
+  "Launch.Stopping": "Arrêt en cours…",
+  "Launch.Exited": "Processus terminé avec le code {0} ({1})",
+  "Launch.ExeNotFound": "L’exécutable SharpEmu est introuvable. Compilez d’abord le projet SharpEmu.CLI (dotnet build).",
+  "Launch.LogFile": "Fichier journal : {0}",
+  "Launch.Command": "$ SharpEmu {0}",
+  "Launch.StartFailed": "Impossible de démarrer l’émulateur : {0}",
+  "Launch.ProcessExited": "Le processus s’est terminé avec le code {0} ({1}).",
+
+  "Exit.Ok": "OK",
+  "Exit.InvalidArguments": "arguments non valides",
+  "Exit.EbootNotFound": "eboot introuvable",
+  "Exit.RuntimeException": "exception d’exécution",
+  "Exit.EmulationError": "erreur d’émulation",
+  "Exit.Unknown": "inconnu",
+
+  "Status.EmulatorLocating": "Émulateur : recherche en cours…",
+  "Status.EmulatorPath": "Émulateur : {0}",
+  "Status.EmulatorNotFound": "Émulateur : l’exécutable SharpEmu est introuvable — compilez d’abord SharpEmu.CLI.",
+  "Status.ScanningLibrary": "Analyse de la bibliothèque…",
+  "Status.AddFolderPrompt": "Ajoutez un dossier de jeux pour remplir la bibliothèque.",
+  "Status.LibraryScanned": "Bibliothèque analysée : {0} jeu(x) dans {1} dossier(s).",
+  "Status.CouldNotOpenFolder": "Impossible d’ouvrir le dossier : {0}",
+  "Status.CopiedToClipboard": "{0} copié dans le presse-papiers.",
+  "Status.RemovedFromLibrary": "« {0} » a été retiré de la bibliothèque. Ajoutez à nouveau son dossier pour le restaurer.",
+  "Status.Running": "Exécution de {0}",
+  "Status.Stopping": "Arrêt en cours…",
+  "Status.Idle": "Inactif",
+
+  "Clipboard.Path": "Chemin",
+  "Clipboard.TitleId": "Identifiant du jeu",
+
+  "Discord.Playing": "Joue à {0}",
+  "Discord.Browsing": "Parcourt la bibliothèque",
+
+  "Dialog.ChooseGameFolder": "Choisir un dossier contenant des jeux",
+  "Dialog.OpenExecutable": "Ouvrir un exécutable à lancer",
+  "Dialog.PsExecutables": "Exécutables PlayStation",
+  "Dialog.SaveLogFile": "Choisir l’emplacement du fichier journal",
+  "Dialog.PlainTextFiles": "Fichiers texte brut",
+  "Dialog.LogFiles": "Fichiers journaux"
+}

src/SharpEmu.GUI/Languages/ja.json

@@ -0,0 +1,129 @@
+{
+  "_languageName": "日本語",
+
+  "Page.Library": "ライブラリ",
+  "Page.Options": "オプション",
+  "Page.GameCount.One": "ゲーム 1本",
+  "Page.GameCount.Other": "ゲーム {0}本",
+
+  "Library.SearchWatermark": "ライブラリを検索…",
+  "Library.AddFolder": "＋ フォルダーを追加",
+  "Library.Rescan": "⟳ 再スキャン",
+  "Library.OpenFile": "ファイルを開く…",
+
+  "Library.Context.Launch": "起動",
+  "Library.Context.OpenFolder": "ゲームフォルダーを開く",
+  "Library.Context.CopyPath": "パスをコピー",
+  "Library.Context.CopyTitleId": "ゲームIDをコピー",
+  "Library.Context.Remove": "ライブラリから削除",
+
+  "Library.Empty.Title": "ライブラリが空です",
+  "Library.Empty.Hint": "開始するには、ゲームが含まれるフォルダーを追加してください。",
+  "Library.Empty.SearchTitle": "検索条件に一致するゲームが見つかりません",
+  "Library.Empty.SearchHint": "ライブラリに「{0}」と一致する項目はありません。",
+  "Library.Empty.AddFolder": "＋ ゲームフォルダーを追加",
+
+  "Library.Loading": "ライブラリを読み込み中…",
+
+  "Options.General": "一般",
+  "Options.Section.Emulation": "エミュレーション",
+  "Options.Section.Logging": "ロギング",
+  "Options.Section.Launcher": "ランチャー",
+
+  "Options.CpuEngine.Label": "CPUエンジン",
+  "Options.CpuEngine.Desc": "ゲームコードを実行するために使用される実行エンジン。",
+  "Options.CpuEngine.Native": "ネイティブ",
+
+  "Options.Strict.Label": "厳格な動的ライブラリ解決",
+  "Options.Strict.Desc": "インポートされたシンボルが解決できない場合、起動を中断します。",
+
+  "Options.LogLevel.Label": "ログレベル",
+  "Options.LogLevel.Desc": "エミュレータコンソールに表示されるメッセージの詳細度。",
+  "Options.LogLevel.Trace": "トレース",
+  "Options.LogLevel.Debug": "デバッグ",
+  "Options.LogLevel.Info": "情報",
+  "Options.LogLevel.Warning": "警告",
+  "Options.LogLevel.Error": "エラー",
+  "Options.LogLevel.Critical": "致命的なエラー",
+
+  "Options.TraceImports.Label": "インポートトレース制限",
+  "Options.TraceImports.Desc": "各モジュールの最初のN個のインポートをトレースします（0 = 無効）。",
+
+  "Options.LogToFile.Label": "ファイルに保存",
+  "Options.LogToFile.Desc": "エミュレータの出力をログファイルにコピーします。",
+
+  "Options.LogFilePath.Label": "ログファイルのパス",
+  "Options.LogFilePath.Default": "カスタムパスなし — ログはエミュレータと同じ場所の user/logs フォルダーに保存されます。",
+  "Options.LogFilePath.Select": "選択…",
+
+  "Options.OverrideLogFile.Label": "ログファイルを上書き",
+  "Options.OverrideLogFile.Desc": "ゲームIDやタイムスタンプを追加せず、指定されたパスをそのまま使用します。",
+
+  "Options.TitleMusic.Label": "ゲーム内音楽",
+  "Options.TitleMusic.Desc": "ライブラリで選択したゲームのプレビュー音楽をループ再生します。",
+
+  "Options.Discord.Label": "Discordステータス表示",
+  "Options.Discord.Desc": "現在プレイ中のゲームをDiscordのプロフィールに表示します。",
+
+  "Options.Language.Label": "エミュレータの言語",
+  "Options.Language.Desc": "ランチャー全体で使用される言語。変更はすぐに適用されます。",
+
+  "Common.On": "オン",
+  "Common.Off": "オフ",
+
+  "Console.Title": "コンソール",
+  "Console.SearchWatermark": "検索…",
+  "Console.AutoScroll": "自動スクロール",
+  "Console.Split": "ウィンドウを分離",
+  "Console.Copy": "コピー",
+  "Console.Clear": "消去",
+  "Console.WindowTitle": "SharpEmu コンソール",
+
+  "Launch.NoGameSelected": "ゲームが選択されていません",
+  "Launch.NoGameHint": "ライブラリからゲームを選択するか、eboot.bin ファイルを直接開いてください。",
+  "Launch.Idle": "待機中",
+  "Launch.Console": "≡ コンソール",
+  "Launch.Launch": "▶  起動",
+  "Launch.Stop": "■  停止",
+  "Launch.Running": "実行中 — {0}",
+  "Launch.Stopping": "停止中…",
+  "Launch.Exited": "プロセスがコード {0} ({1}) で終了しました",
+  "Launch.ExeNotFound": "SharpEmuの実行ファイルが見つかりません。先に SharpEmu.CLI プロジェクトをビルドしてください（dotnet build）。",
+  "Launch.LogFile": "ログファイル: {0}",
+  "Launch.Command": "$ SharpEmu {0}",
+  "Launch.StartFailed": "エミュレータを起動できませんでした: {0}",
+  "Launch.ProcessExited": "プロセスがコード {0} ({1}) で終了しました。",
+
+  "Exit.Ok": "OK",
+  "Exit.InvalidArguments": "無効な引数",
+  "Exit.EbootNotFound": "eboot が見つかりません",
+  "Exit.RuntimeException": "ランタイム例外",
+  "Exit.EmulationError": "エミュレーションエラー",
+  "Exit.Unknown": "不明",
+
+  "Status.EmulatorLocating": "エミュレータ: 位置を検索中…",
+  "Status.EmulatorPath": "エミュレータ: {0}",
+  "Status.EmulatorNotFound": "エミュレータ: SharpEmuの実行ファイルが見つかりません — 先に SharpEmu.CLI をビルドしてください。",
+  "Status.ScanningLibrary": "ライブラリをスキャン中…",
+  "Status.AddFolderPrompt": "ライブラリに表示するゲームフォルダーを追加してください。",
+  "Status.LibraryScanned": "ライブラリのスキャン完了: {1} 個のフォルダーから {0} 本のゲームを検出。",
+  "Status.CouldNotOpenFolder": "フォルダーを開けませんでした: {0}",
+  "Status.CopiedToClipboard": "「{0}」をクリップボードにコピーしました。",
+  "Status.RemovedFromLibrary": "「{0}」がライブラリから削除されました。復元するにはフォルダーを再追加してください。",
+  "Status.Running": "{0} を実行中",
+  "Status.Stopping": "停止中…",
+  "Status.Idle": "待機中",
+
+  "Clipboard.Path": "パス",
+  "Clipboard.TitleId": "ゲームID",
+
+  "Discord.Playing": "{0} をプレイ中",
+  "Discord.Browsing": "ライブラリを閲覧中",
+
+  "Dialog.ChooseGameFolder": "ゲームが含まれるフォルダーを選択",
+  "Dialog.OpenExecutable": "起動する実行ファイルを開く",
+  "Dialog.PsExecutables": "PlayStation 実行ファイル",
+  "Dialog.SaveLogFile": "ログファイルの保存先を選択",
+  "Dialog.PlainTextFiles": "プレーンテキストファイル",
+  "Dialog.LogFiles": "ログファイル"
+}

src/SharpEmu.GUI/Languages/ko.json

@@ -0,0 +1,129 @@
+{
+  "_languageName": "한국어",
+
+  "Page.Library": "라이브러리",
+  "Page.Options": "옵션",
+  "Page.GameCount.One": "게임 1개",
+  "Page.GameCount.Other": "게임 {0}개",
+
+  "Library.SearchWatermark": "라이브러리 검색…",
+  "Library.AddFolder": "＋ 폴더 추가",
+  "Library.Rescan": "⟳ 다시 스캔",
+  "Library.OpenFile": "파일 열기…",
+
+  "Library.Context.Launch": "실행",
+  "Library.Context.OpenFolder": "게임 폴더 열기",
+  "Library.Context.CopyPath": "경로 복사",
+  "Library.Context.CopyTitleId": "게임 ID 복사",
+  "Library.Context.Remove": "라이브러리에서 제거",
+
+  "Library.Empty.Title": "라이브러리가 비어 있습니다",
+  "Library.Empty.Hint": "시작하려면 게임이 포함된 폴더를 추가하세요.",
+  "Library.Empty.SearchTitle": "검색 결과와 일치하는 게임이 없습니다",
+  "Library.Empty.SearchHint": "라이브러리에 '{0}'와(과) 일치하는 항목이 없습니다.",
+  "Library.Empty.AddFolder": "＋ 게임 폴더 추가",
+
+  "Library.Loading": "라이브러리 불러오는 중…",
+
+  "Options.General": "일반",
+  "Options.Section.Emulation": "에뮬레이션",
+  "Options.Section.Logging": "로깅",
+  "Options.Section.Launcher": "런처",
+
+  "Options.CpuEngine.Label": "CPU 엔진",
+  "Options.CpuEngine.Desc": "게임 코드를 실행하는 데 사용되는 실행 엔진입니다.",
+  "Options.CpuEngine.Native": "네이티브",
+
+  "Options.Strict.Label": "엄격한 동적 라이브러리 해석",
+  "Options.Strict.Desc": "가져온 심볼을 해석할 수 없는 경우 실행을 중단합니다.",
+
+  "Options.LogLevel.Label": "로그 수준",
+  "Options.LogLevel.Desc": "에뮬레이터 콘솔에 표시할 메시지의 세부 정보 수준입니다.",
+  "Options.LogLevel.Trace": "트레이스",
+  "Options.LogLevel.Debug": "디버그",
+  "Options.LogLevel.Info": "정보",
+  "Options.LogLevel.Warning": "경고",
+  "Options.LogLevel.Error": "오류",
+  "Options.LogLevel.Critical": "치명적 오류",
+
+  "Options.TraceImports.Label": "가져오기 트레이스 한도",
+  "Options.TraceImports.Desc": "각 모듈의 처음 N개 가져오기를 트레이스합니다 (0 = 비활성화).",
+
+  "Options.LogToFile.Label": "파일로 저장",
+  "Options.LogToFile.Desc": "에뮬레이터 출력을 로그 파일에 복사합니다.",
+
+  "Options.LogFilePath.Label": "로그 파일 경로",
+  "Options.LogFilePath.Default": "사용자 지정 경로 없음 — 로그는 에뮬레이터 옆의 user/logs 폴더에 저장됩니다.",
+  "Options.LogFilePath.Select": "선택…",
+
+  "Options.OverrideLogFile.Label": "로그 파일 덮어쓰기",
+  "Options.OverrideLogFile.Desc": "게임 ID와 타임스탬프를 추가하는 대신 정확히 이 경로를 사용합니다.",
+
+  "Options.TitleMusic.Label": "게임 음악",
+  "Options.TitleMusic.Desc": "라이브러리에서 선택한 게임의 미리보기 음악을 반복 재생합니다.",
+
+  "Options.Discord.Label": "디스코드 상태 표시",
+  "Options.Discord.Desc": "디스코드 프로필에 현재 실행 중인 게임을 표시합니다.",
+
+  "Options.Language.Label": "에뮬레이터 언어",
+  "Options.Language.Desc": "런처 전체에 사용되는 언어입니다. 변경 사항은 즉시 적용됩니다.",
+
+  "Common.On": "켬",
+  "Common.Off": "끔",
+
+  "Console.Title": "콘솔",
+  "Console.SearchWatermark": "검색…",
+  "Console.AutoScroll": "자동 스크롤",
+  "Console.Split": "창 분리",
+  "Console.Copy": "복사",
+  "Console.Clear": "지우기",
+  "Console.WindowTitle": "SharpEmu 콘솔",
+
+  "Launch.NoGameSelected": "선택된 게임 없음",
+  "Launch.NoGameHint": "라이브러리에서 게임을 선택하거나 eboot.bin 파일을 직접 여세요.",
+  "Launch.Idle": "대기 중",
+  "Launch.Console": "≡ 콘솔",
+  "Launch.Launch": "▶  실행",
+  "Launch.Stop": "■  중지",
+  "Launch.Running": "실행 중 — {0}",
+  "Launch.Stopping": "중지 중…",
+  "Launch.Exited": "프로세스가 코드 {0} ({1})(으)로 종료되었습니다",
+  "Launch.ExeNotFound": "SharpEmu 실행 파일을 찾을 수 없습니다. 먼저 SharpEmu.CLI 프로젝트를 컴파일하세요 (dotnet build).",
+  "Launch.LogFile": "로그 파일: {0}",
+  "Launch.Command": "$ SharpEmu {0}",
+  "Launch.StartFailed": "에뮬레이터를 시작할 수 없습니다: {0}",
+  "Launch.ProcessExited": "프로세스가 코드 {0} ({1})(으)로 종료되었습니다.",
+
+  "Exit.Ok": "확인",
+  "Exit.InvalidArguments": "잘못된 인수",
+  "Exit.EbootNotFound": "eboot을 찾을 수 없음",
+  "Exit.RuntimeException": "런타임 예외",
+  "Exit.EmulationError": "에뮬레이션 오류",
+  "Exit.Unknown": "알 수 없음",
+
+  "Status.EmulatorLocating": "에뮬레이터: 위치 검색 중…",
+  "Status.EmulatorPath": "에뮬레이터: {0}",
+  "Status.EmulatorNotFound": "에뮬레이터: SharpEmu 실행 파일을 찾을 수 없습니다 — 먼저 SharpEmu.CLI를 컴파일하세요.",
+  "Status.ScanningLibrary": "라이브러리 스캔 중…",
+  "Status.AddFolderPrompt": "라이브러리를 채우려면 게임 폴더를 추가하세요.",
+  "Status.LibraryScanned": "라이브러리 스캔 완료: {1}개 폴더에서 {0}개 게임 발견.",
+  "Status.CouldNotOpenFolder": "폴더를 열 수 없습니다: {0}",
+  "Status.CopiedToClipboard": "{0}이(가) 클립보드에 복사되었습니다.",
+  "Status.RemovedFromLibrary": "'{0}'이(가) 라이브러리에서 제거되었습니다. 복구하려면 폴더를 다시 추가하세요.",
+  "Status.Running": "{0} 실행 중",
+  "Status.Stopping": "중지 중…",
+  "Status.Idle": "대기 중",
+
+  "Clipboard.Path": "경로",
+  "Clipboard.TitleId": "게임 ID",
+
+  "Discord.Playing": "{0} 플레이 중",
+  "Discord.Browsing": "라이브러리 둘러보는 중",
+
+  "Dialog.ChooseGameFolder": "게임이 포함된 폴더 선택",
+  "Dialog.OpenExecutable": "실행할 파일 열기",
+  "Dialog.PsExecutables": "PlayStation 실행 파일",
+  "Dialog.SaveLogFile": "로그 파일 저장 위치 선택",
+  "Dialog.PlainTextFiles": "일반 텍스트 파일",
+  "Dialog.LogFiles": "로그 파일"
+}

src/SharpEmu.GUI/Localization.cs

@@ -22,6 +22,8 @@ public sealed class Localization
     private const string EmbeddedResourceSuffix = ".json";
 
     private Dictionary<string, string> _strings = new();
+    private Dictionary<string, string> _fallbackStrings = new();
+
 
     private Localization()
     {
@@ -32,7 +34,16 @@ public sealed class Localization
 
     public string CurrentCode { get; private set; } = "en";
 
-    public string Get(string key) => _strings.TryGetValue(key, out var value) ? value : key;
+    public string Get(string key)
+    {
+        if (_strings.TryGetValue(key, out var value))
+            return value;
+
+        if (_fallbackStrings.TryGetValue(key, out var fallbackValue))
+            return fallbackValue;
+
+        return key;
+    }
 
     public string Format(string key, params object?[] args) => string.Format(Get(key), args);
 
@@ -74,13 +85,46 @@ public sealed class Localization
     }
 
     /// <summary>Loads a language by code (e.g. "en"): a loose override file first, then the embedded copy.</summary>
+    /// english is the fallback language
     public void Load(string code)
     {
-        if (!TryLoadLooseFile(code) && !TryLoadEmbedded(code) &&
-            !string.Equals(code, "en", StringComparison.OrdinalIgnoreCase))
+        if (_fallbackStrings.Count == 0 && !string.Equals(code, "en", StringComparison.OrdinalIgnoreCase))
         {
-            _ = TryLoadLooseFile("en") || TryLoadEmbedded("en");
+            if (!TryLoadLooseFile("en", out var fallback) && !TryLoadEmbedded("en", out fallback))
+            {
+                fallback = new Dictionary<string, string>();
+            }
+            _fallbackStrings = fallback;
         }
+        else if (string.Equals(code, "en", StringComparison.OrdinalIgnoreCase))
+        {
+            if (TryLoadLooseFile("en", out var enDict) || TryLoadEmbedded("en", out enDict))
+            {
+                _strings = enDict;
+                _fallbackStrings = enDict;
+            }
+            else
+            {
+                _strings = new Dictionary<string, string>();
+                _fallbackStrings = new Dictionary<string, string>();
+            }
+            CurrentCode = "en";
+            return;
+        }
+
+        // Load the requested language
+        if (TryLoadLooseFile(code, out var loaded) || TryLoadEmbedded(code, out loaded))
+        {
+            _strings = loaded;
+        }
+        else
+        {
+            if (_fallbackStrings.Count > 0)
+                _strings = new Dictionary<string, string>(_fallbackStrings);
+            else
+                _strings = new Dictionary<string, string>();
+        }
+        CurrentCode = code;
     }
 
     private static IEnumerable<string> EmbeddedLanguageCodes()
@@ -149,16 +193,64 @@ public sealed class Localization
         }
     }
 
-    private bool TryLoad(string code, string json)
+    private bool TryLoadLooseFile(string code, out Dictionary<string, string> result)
+    {
+        result = new Dictionary<string, string>();
+        try
+        {
+            var path = Path.Combine(LanguagesDirectory, $"{code}.json");
+            if (!File.Exists(path))
+                return false;
+
+            var json = File.ReadAllText(path);
+            return TryLoad(json, out result);
+        }
+        catch (Exception)
+        {
+            return false;
+        }
+    }
+
+    private bool TryLoadEmbedded(string code, out Dictionary<string, string> result)
+    {
+        result = new Dictionary<string, string>();
+        try
+        {
+            using var stream = OpenEmbeddedLanguageStream(code);
+            if (stream is null)
+                return false;
+
+            using var reader = new StreamReader(stream);
+            var json = reader.ReadToEnd();
+            return TryLoad(json, out result);
+        }
+        catch (Exception)
+        {
+            return false;
+        }
+    }
+
+    private static bool TryLoad(string json, out Dictionary<string, string> result)
     {
         var loaded = JsonSerializer.Deserialize<Dictionary<string, string>>(json);
         if (loaded is null)
         {
+            result = new Dictionary<string, string>();
             return false;
         }
 
-        _strings = loaded;
-        CurrentCode = code;
+        result = loaded;
         return true;
     }
-}
+    
+    private bool TryLoad(string code, string json)
+    {
+        if (TryLoad(json, out var dict))
+        {
+            _strings = dict;
+            CurrentCode = code;
+            return true;
+        }
+        return false;
+    }
+}

src/SharpEmu.GUI/MainWindow.axaml

@@ -317,7 +317,73 @@ SPDX-License-Identifier: GPL-2.0-or-later
                       </Grid>
                     </StackPanel>
                   </Border>
+                  <Border Classes="card">
+                    <StackPanel Spacing="14">
+                      <TextBlock x:Name="AboutSectionTitle"
+                                Classes="sectionTitle"
+                                Text="ABOUT" />
+                      
+                      <!--Github-->
+                      <Grid ColumnDefinitions="*,Auto">
+                        <StackPanel Grid.Column="0"
+                                      Orientation="Horizontal"
+                                      Spacing="8"
+                                      VerticalAlignment="Center">
+                          <Image Source="avares://SharpEmu.GUI/Assets/github.png"
+                                    Width="20"
+                                    Height="20"
+                                    VerticalAlignment="Center" />
+                          <StackPanel VerticalAlignment="Center"
+                                          Spacing="2">
+                            <TextBlock x:Name="GithubLabel"
+                                            Text="GitHub"
+                                            FontSize="13" />
+                            <TextBlock x:Name="GithubDesc"
+                                            Text="Source code, issues and project development."
+                                            FontSize="11"
+                                            Foreground="{StaticResource MutedBrush}"
+                                            TextWrapping="Wrap" />
+                          </StackPanel>
+                        </StackPanel>
 
+                        <Button Grid.Column="1"
+                                x:Name="GithubButton"
+                                Classes="ghost"
+                                Content="Open"
+                                VerticalAlignment="Center" />
+                      </Grid>
+
+                      <!--Discord-->
+                      <Grid ColumnDefinitions="*,Auto">
+                        <StackPanel Grid.Column="0"
+                                        Orientation="Horizontal"
+                                        Spacing="8"
+                                        VerticalAlignment="Center">
+                          <Image Source="avares://SharpEmu.GUI/Assets/discord.png"
+                                  Width="20"
+                                  Height="20"
+                                  VerticalAlignment="Center" />
+                          <StackPanel VerticalAlignment="Center"
+                                      Spacing="2">
+                            <TextBlock x:Name="DiscordServerLabel"
+                                      Text="Discord"
+                                      FontSize="13" />
+                            <TextBlock x:Name="DiscordServerDesc"
+                                      Text="Join the community, get support and follow development."
+                                      FontSize="11"
+                                      Foreground="{StaticResource MutedBrush}"
+                                      TextWrapping="Wrap" />
+                          </StackPanel>
+                        </StackPanel>
+
+                        <Button Grid.Column="1"
+                                x:Name="DiscordButton"
+                                Classes="ghost"
+                                Content="Join"
+                                VerticalAlignment="Center" />
+                      </Grid>
+                    </StackPanel>
+                  </Border>
                 </StackPanel>
               </ScrollViewer>
             </TabItem>

src/SharpEmu.GUI/MainWindow.axaml.cs

@@ -25,6 +25,7 @@ namespace SharpEmu.GUI;
 public partial class MainWindow : Window
 {
     private const int MaxConsoleLines = 4000;
+    private const int MaxConsoleLinesPerFlush = 500;
 
     private static readonly IBrush DefaultLineBrush = new SolidColorBrush(Color.Parse("#C7CFDE"));
     private static readonly IBrush DimLineBrush = new SolidColorBrush(Color.Parse("#6B7488"));
@@ -146,6 +147,25 @@ public partial class MainWindow : Window
         };
         _gamepadTimer.Tick += (_, _) => PollGamepad();
         _gamepadTimer.Start();
+
+
+        GithubButton.Click += (_, _) =>
+        {
+            Process.Start(new ProcessStartInfo
+            {
+                FileName = "https://github.com/par274/sharpemu",
+                UseShellExecute = true
+            });
+        };
+
+        DiscordButton.Click += (_, _) =>
+        {
+            Process.Start(new ProcessStartInfo
+            {
+                FileName = "https://discord.com/invite/6GejPEDqpc",
+                UseShellExecute = true
+            });
+        };
     }
 
     /// <summary>
@@ -442,6 +462,14 @@ public partial class MainWindow : Window
         LaunchButton.Content = loc.Get("Launch.Launch");
         StopButton.Content = loc.Get("Launch.Stop");
 
+        AboutSectionTitle.Text = loc.Get("Options.About");
+        GithubLabel.Text = loc.Get("About.Github.Label");
+        GithubDesc.Text = loc.Get("About.Github.Desc");
+        DiscordServerLabel.Text = loc.Get("About.Discord.Label");
+        DiscordServerDesc.Text = loc.Get("About.Discord.Desc");
+        GithubButton.Content = loc.Get("About.GithubButton");
+        DiscordButton.Content = loc.Get("About.DiscordButton");
+
         UpdateEmptyStateTexts();
         UpdateSelectedGameTexts();
     }
@@ -1504,7 +1532,8 @@ public partial class MainWindow : Window
         }
 
         var incoming = new List<LogLine>();
-        while (_pendingLines.TryDequeue(out var pending))
+        while (incoming.Count < MaxConsoleLinesPerFlush &&
+               _pendingLines.TryDequeue(out var pending))
         {
             WriteFileLog(pending.Line);
             incoming.Add(new LogLine(pending.Line, BrushForLine(pending.Line)));

src/SharpEmu.GUI/SharpEmu.GUI.csproj

@@ -28,6 +28,8 @@ SPDX-License-Identifier: GPL-2.0-or-later
 
   <ItemGroup>
     <AvaloniaResource Include="..\..\assets\images\SharpEmu.ico" Link="Assets/SharpEmu.ico" />
+    <AvaloniaResource Include="..\..\assets\images\github.png" Link="Assets/github.png" />
+    <AvaloniaResource Include="..\..\assets\images\discord.png" Link="Assets/discord.png" />
   </ItemGroup>
 
   <ItemGroup>

src/SharpEmu.HLE/HostSessionControl.cs

@@ -0,0 +1,31 @@
+// Copyright (C) 2026 SharpEmu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+namespace SharpEmu.HLE;
+
+/// <summary>
+/// Lets host-facing libraries (VideoOut, AudioOut) request cooperative guest
+/// shutdown without taking a dependency on SharpEmu.Core.
+/// </summary>
+public static class HostSessionControl
+{
+    private static Action<string>? _shutdownHandler;
+
+    public static void SetShutdownHandler(Action<string>? handler)
+    {
+        Volatile.Write(ref _shutdownHandler, handler);
+    }
+
+    public static void RequestShutdown(string reason)
+    {
+        try
+        {
+            Volatile.Read(ref _shutdownHandler)?.Invoke(reason);
+        }
+        catch (Exception exception)
+        {
+            Console.Error.WriteLine(
+                $"[LOADER][WARN] Host shutdown handler failed: {exception.Message}");
+        }
+    }
+}

src/SharpEmu.HLE/ICpuMemory.cs

@@ -8,4 +8,6 @@ public interface ICpuMemory
     bool TryRead(ulong virtualAddress, Span<byte> destination);
 
     bool TryWrite(ulong virtualAddress, ReadOnlySpan<byte> source);
+
+    bool TryCompare(ulong virtualAddress, ReadOnlySpan<byte> expected) => false;
 }

src/SharpEmu.Libs/Agc/AgcExports.cs

@@ -120,6 +120,9 @@ public static class AgcExports
     private const uint RegisterDefaultsVersion13 = 13;
     private const int RegisterDefaultsSize = 0x40;
     private const int RegisterDefaultBlockSize = 16 * 8;
+    private const ulong ResourceRegistrationBytesPerResource = 0x118;
+    private const ulong ResourceRegistrationBytesPerOwner = 0x1E0;
+    private const int ResourceRegistrationMaxNameLength = 256;
 
     private const ulong ShaderUserDataOffset = 0x08;
     private const ulong ShaderCodeOffset = 0x10;
@@ -154,7 +157,7 @@ public static class AgcExports
     private static readonly HashSet<uint> _tracedSubmittedDrawOpcodes = new();
     private static readonly Dictionary<(ulong Ps, ulong State, Gen5PixelOutputKind Output), byte[]> _pixelSpirvCache = new();
     private static readonly Dictionary<
-        (ulong Es, ulong EsState, ulong Ps, ulong PsState, Gen5PixelOutputKind Output),
+        (ulong Es, ulong EsState, ulong Ps, ulong PsState, Gen5PixelOutputKind Output, uint Attributes),
         (byte[] Vertex, byte[] Pixel)> _graphicsSpirvCache = new();
     private static readonly Dictionary<
         (ulong Cs, ulong State, uint LocalX, uint LocalY, uint LocalZ),
@@ -388,9 +391,26 @@ public static class AgcExports
         public SubmittedDcbState Graphics { get; } = new();
         public Dictionary<uint, SubmittedDcbState> ComputeQueues { get; } = new();
         public Dictionary<ulong, ComputeImageWriter> ComputeImageWriters { get; } = new();
+        public Dictionary<uint, string> ResourceOwners { get; } = new();
+        public Dictionary<uint, RegisteredAgcResource> RegisteredResources { get; } = new();
+        public bool ResourceRegistrationInitialized { get; set; }
+        public ulong ResourceRegistrationMemory { get; set; }
+        public ulong ResourceRegistrationMemorySize { get; set; }
+        public uint ResourceRegistrationMaxOwners { get; set; }
+        public uint DefaultOwner { get; set; } = DefaultAgcOwner;
+        public uint NextOwner { get; set; } = 1;
+        public uint NextResource { get; set; } = 1;
         public ulong WorkSequence { get; set; }
     }
 
+    private readonly record struct RegisteredAgcResource(
+        uint Owner,
+        ulong Address,
+        ulong Size,
+        string Name,
+        uint Type,
+        uint Flags);
+
     private readonly record struct RegisterDefaultValue(uint Offset, uint Value);
 
     private readonly record struct RegisterDefaultGroup(
@@ -1999,8 +2019,16 @@ public static class AgcExports
         var gpuState = _submittedGpuStates.GetValue(ctx.Memory, static _ => new SubmittedGpuState());
         lock (gpuState.Gate)
         {
-            ParseSubmittedDcb(ctx, gpuState, gpuState.Graphics, commandAddress, dwordCount, tracePackets);
-            DrainResumableDcbs(ctx, gpuState, tracePackets);
+            Gen5ShaderScalarEvaluator.BeginGlobalMemoryReadScope();
+            try
+            {
+                ParseSubmittedDcb(ctx, gpuState, gpuState.Graphics, commandAddress, dwordCount, tracePackets);
+                DrainResumableDcbs(ctx, gpuState, tracePackets);
+            }
+            finally
+            {
+                Gen5ShaderScalarEvaluator.EndGlobalMemoryReadScope();
+            }
         }
 
         ctx[CpuRegister.Rax] = 0;
@@ -2030,27 +2058,35 @@ public static class AgcExports
         var gpuState = _submittedGpuStates.GetValue(ctx.Memory, static _ => new SubmittedGpuState());
         lock (gpuState.Gate)
         {
-            for (uint i = 0; i < bufferCount; i++)
+            Gen5ShaderScalarEvaluator.BeginGlobalMemoryReadScope();
+            try
             {
-                if (!ctx.TryReadUInt64(addressArray + i * 8, out var commandAddress) ||
-                    commandAddress == 0 ||
-                    !ctx.TryReadUInt32(sizeArray + i * 4, out var dwordCount) ||
-                    dwordCount == 0)
+                for (uint i = 0; i < bufferCount; i++)
                 {
-                    continue;
+                    if (!ctx.TryReadUInt64(addressArray + i * 8, out var commandAddress) ||
+                        commandAddress == 0 ||
+                        !ctx.TryReadUInt32(sizeArray + i * 4, out var dwordCount) ||
+                        dwordCount == 0)
+                    {
+                        continue;
+                    }
+
+                    if (tracePackets)
+                    {
+                        TraceAgc(
+                            $"agc.driver_submit_multi_dcbs index={i}/{bufferCount} " +
+                            $"addr=0x{commandAddress:X16} dwords={dwordCount}");
+                    }
+
+                    ParseSubmittedDcb(ctx, gpuState, gpuState.Graphics, commandAddress, dwordCount, tracePackets);
                 }
 
-                if (tracePackets)
-                {
-                    TraceAgc(
-                        $"agc.driver_submit_multi_dcbs index={i}/{bufferCount} " +
-                        $"addr=0x{commandAddress:X16} dwords={dwordCount}");
-                }
-
-                ParseSubmittedDcb(ctx, gpuState, gpuState.Graphics, commandAddress, dwordCount, tracePackets);
+                DrainResumableDcbs(ctx, gpuState, tracePackets);
+            }
+            finally
+            {
+                Gen5ShaderScalarEvaluator.EndGlobalMemoryReadScope();
             }
-
-            DrainResumableDcbs(ctx, gpuState, tracePackets);
         }
 
         ctx[CpuRegister.Rax] = 0;
@@ -2098,8 +2134,16 @@ public static class AgcExports
                 gpuState.ComputeQueues.Add(ownerHandle, queueState);
             }
 
-            ParseSubmittedDcb(ctx, gpuState, queueState, commandAddress, dwordCount, tracePackets);
-            DrainResumableDcbs(ctx, gpuState, tracePackets);
+            Gen5ShaderScalarEvaluator.BeginGlobalMemoryReadScope();
+            try
+            {
+                ParseSubmittedDcb(ctx, gpuState, queueState, commandAddress, dwordCount, tracePackets);
+                DrainResumableDcbs(ctx, gpuState, tracePackets);
+            }
+            finally
+            {
+                Gen5ShaderScalarEvaluator.EndGlobalMemoryReadScope();
+            }
         }
 
         ctx[CpuRegister.Rax] = 0;
@@ -2120,12 +2164,87 @@ public static class AgcExports
             return ctx.SetReturn(OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT);
         }
 
-        if (!ctx.TryWriteUInt32(outAddress, 256))
+        if (!ctx.TryWriteUInt32(outAddress, ResourceRegistrationMaxNameLength))
         {
             return ctx.SetReturn(OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT);
         }
 
-        TraceAgc($"agc.driver_get_resource_registration_max_name_length out=0x{outAddress:X16} value=256");
+        TraceAgc(
+            $"agc.driver_get_resource_registration_max_name_length " +
+            $"out=0x{outAddress:X16} value={ResourceRegistrationMaxNameLength}");
+        return ctx.SetReturn(OrbisGen2Result.ORBIS_GEN2_OK);
+    }
+
+    [SysAbiExport(
+        Nid = "AOLcoIkQDgM",
+        ExportName = "sceAgcDriverQueryResourceRegistrationUserMemoryRequirements",
+        Target = Generation.Gen5,
+        LibraryName = "libSceAgc")]
+    public static int DriverQueryResourceRegistrationUserMemoryRequirements(CpuContext ctx)
+    {
+        var sizeAddress = ctx[CpuRegister.Rdi];
+        var resourceCount = ctx[CpuRegister.Rsi];
+        var ownerCount = ctx[CpuRegister.Rdx];
+        if (sizeAddress == 0 || resourceCount == 0 || ownerCount == 0)
+        {
+            return ctx.SetReturn(OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT);
+        }
+
+        ulong requiredSize;
+        try
+        {
+            requiredSize = checked(
+                resourceCount * ResourceRegistrationBytesPerResource +
+                ownerCount * ResourceRegistrationBytesPerOwner);
+        }
+        catch (OverflowException)
+        {
+            return ctx.SetReturn(OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT);
+        }
+
+        if (!ctx.TryWriteUInt64(sizeAddress, requiredSize))
+        {
+            return ctx.SetReturn(OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT);
+        }
+
+        TraceAgc(
+            $"agc.driver_query_resource_registration_memory resources={resourceCount} " +
+            $"owners={ownerCount} bytes=0x{requiredSize:X}");
+        return ctx.SetReturn(OrbisGen2Result.ORBIS_GEN2_OK);
+    }
+
+    [SysAbiExport(
+        Nid = "F0Y42t-3e18",
+        ExportName = "sceAgcDriverInitResourceRegistration",
+        Target = Generation.Gen5,
+        LibraryName = "libSceAgc")]
+    public static int DriverInitResourceRegistration(CpuContext ctx)
+    {
+        var memoryAddress = ctx[CpuRegister.Rdi];
+        var memorySize = ctx[CpuRegister.Rsi];
+        var ownerCount = ctx[CpuRegister.Rdx];
+        if (memoryAddress == 0 || memorySize == 0 || ownerCount == 0 || ownerCount > uint.MaxValue)
+        {
+            return ctx.SetReturn(OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT);
+        }
+
+        var state = _submittedGpuStates.GetValue(ctx.Memory, static _ => new SubmittedGpuState());
+        lock (state.Gate)
+        {
+            state.ResourceRegistrationInitialized = true;
+            state.ResourceRegistrationMemory = memoryAddress;
+            state.ResourceRegistrationMemorySize = memorySize;
+            state.ResourceRegistrationMaxOwners = (uint)ownerCount;
+            state.ResourceOwners.Clear();
+            state.RegisteredResources.Clear();
+            state.DefaultOwner = DefaultAgcOwner;
+            state.NextOwner = 1;
+            state.NextResource = 1;
+        }
+
+        TraceAgc(
+            $"agc.driver_init_resource_registration memory=0x{memoryAddress:X16} " +
+            $"bytes=0x{memorySize:X} owners={ownerCount}");
         return ctx.SetReturn(OrbisGen2Result.ORBIS_GEN2_OK);
     }
 
@@ -2144,12 +2263,97 @@ public static class AgcExports
             return ctx.SetReturn(OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT);
         }
 
-        if (!ctx.TryWriteUInt32(ownerAddress, DefaultAgcOwner))
+        var state = _submittedGpuStates.GetValue(ctx.Memory, static _ => new SubmittedGpuState());
+        uint owner;
+        lock (state.Gate)
+        {
+            owner = state.DefaultOwner;
+        }
+
+        if (!ctx.TryWriteUInt32(ownerAddress, owner))
         {
             return ctx.SetReturn(OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT);
         }
 
-        TraceAgc($"agc.driver_get_default_owner out=0x{ownerAddress:X16} owner={DefaultAgcOwner}");
+        TraceAgc($"agc.driver_get_default_owner out=0x{ownerAddress:X16} owner={owner}");
+        return ctx.SetReturn(OrbisGen2Result.ORBIS_GEN2_OK);
+    }
+
+    [SysAbiExport(
+        Nid = "U9ueyEhSkF4",
+        ExportName = "sceAgcDriverRegisterDefaultOwner",
+        Target = Generation.Gen5,
+        LibraryName = "libSceAgc")]
+    public static int DriverRegisterDefaultOwner(CpuContext ctx)
+    {
+        var owner = (uint)ctx[CpuRegister.Rdi];
+        var state = _submittedGpuStates.GetValue(ctx.Memory, static _ => new SubmittedGpuState());
+        lock (state.Gate)
+        {
+            state.DefaultOwner = owner;
+        }
+
+        TraceAgc($"agc.driver_register_default_owner owner={owner}");
+        return ctx.SetReturn(OrbisGen2Result.ORBIS_GEN2_OK);
+    }
+
+    [SysAbiExport(
+        Nid = "X-Nm5KLREeg",
+        ExportName = "sceAgcDriverRegisterOwner",
+        Target = Generation.Gen5,
+        LibraryName = "libSceAgc")]
+    public static int DriverRegisterOwner(CpuContext ctx)
+    {
+        var ownerAddress = ctx[CpuRegister.Rdi];
+        var nameAddress = ctx[CpuRegister.Rsi];
+        if (ownerAddress == 0 || nameAddress == 0 ||
+            !TryReadGuestCString(
+                ctx,
+                nameAddress,
+                ResourceRegistrationMaxNameLength,
+                out var nameBytes))
+        {
+            return ctx.SetReturn(OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT);
+        }
+
+        var state = _submittedGpuStates.GetValue(ctx.Memory, static _ => new SubmittedGpuState());
+        uint owner;
+        lock (state.Gate)
+        {
+            if (!state.ResourceRegistrationInitialized ||
+                state.ResourceRegistrationMaxOwners != 0 &&
+                state.ResourceOwners.Count >= state.ResourceRegistrationMaxOwners)
+            {
+                return ctx.SetReturn(OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT);
+            }
+
+            owner = state.NextOwner;
+            while (owner == state.DefaultOwner || state.ResourceOwners.ContainsKey(owner))
+            {
+                owner++;
+                if (owner == 0)
+                {
+                    return ctx.SetReturn(OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT);
+                }
+            }
+
+            state.NextOwner = owner + 1;
+            state.ResourceOwners.Add(owner, System.Text.Encoding.UTF8.GetString(nameBytes));
+        }
+
+        if (!ctx.TryWriteUInt32(ownerAddress, owner))
+        {
+            lock (state.Gate)
+            {
+                state.ResourceOwners.Remove(owner);
+            }
+
+            return ctx.SetReturn(OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT);
+        }
+
+        TraceAgc(
+            $"agc.driver_register_owner out=0x{ownerAddress:X16} owner={owner} " +
+            $"name={System.Text.Encoding.UTF8.GetString(nameBytes)}");
         return ctx.SetReturn(OrbisGen2Result.ORBIS_GEN2_OK);
     }
 
@@ -2160,19 +2364,90 @@ public static class AgcExports
     LibraryName = "libSceAgc")]
     public static int DriverRegisterResource(CpuContext ctx)
     {
-        var resourceAddress = ctx[CpuRegister.Rdi];
+        var resourceHandleAddress = ctx[CpuRegister.Rdi];
         var owner = (uint)ctx[CpuRegister.Rsi];
-        var nameAddress = ctx[CpuRegister.Rdx];
-        var type = (uint)ctx[CpuRegister.R8];
-        var flags = (uint)ctx[CpuRegister.R9];
+        var resourceAddress = ctx[CpuRegister.Rdx];
+        var resourceSize = ctx[CpuRegister.Rcx];
+        var nameAddress = ctx[CpuRegister.R8];
+        var type = (uint)ctx[CpuRegister.R9];
+        if (resourceHandleAddress == 0 || resourceAddress == 0 || resourceSize == 0 ||
+            !ctx.TryReadUInt32(ctx[CpuRegister.Rsp] + sizeof(ulong), out var flags) ||
+            !TryReadGuestCString(
+                ctx,
+                nameAddress,
+                ResourceRegistrationMaxNameLength,
+                out var nameBytes))
+        {
+            return ctx.SetReturn(OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT);
+        }
+
+        var state = _submittedGpuStates.GetValue(ctx.Memory, static _ => new SubmittedGpuState());
+        uint resourceHandle;
+        lock (state.Gate)
+        {
+            if (!state.ResourceRegistrationInitialized ||
+                owner != state.DefaultOwner &&
+                !state.ResourceOwners.ContainsKey(owner))
+            {
+                return ctx.SetReturn(OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT);
+            }
+
+            resourceHandle = state.NextResource++;
+            if (resourceHandle == 0)
+            {
+                return ctx.SetReturn(OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT);
+            }
+
+            state.RegisteredResources.Add(
+                resourceHandle,
+                new RegisteredAgcResource(
+                    owner,
+                    resourceAddress,
+                    resourceSize,
+                    System.Text.Encoding.UTF8.GetString(nameBytes),
+                    type,
+                    flags));
+        }
+
+        if (!ctx.TryWriteUInt32(resourceHandleAddress, resourceHandle))
+        {
+            lock (state.Gate)
+            {
+                state.RegisteredResources.Remove(resourceHandle);
+            }
+
+            return ctx.SetReturn(OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT);
+        }
 
         TraceAgc(
-            $"agc.driver_register_resource resource=0x{resourceAddress:X16} owner={owner} " +
-            $"name=0x{nameAddress:X16} type={type} flags={flags}");
+            $"agc.driver_register_resource handle={resourceHandle} owner={owner} " +
+            $"resource=0x{resourceAddress:X16} bytes=0x{resourceSize:X} " +
+            $"name={System.Text.Encoding.UTF8.GetString(nameBytes)} type={type} flags={flags}");
 
         return ctx.SetReturn(OrbisGen2Result.ORBIS_GEN2_OK);
     }
 
+    [SysAbiExport(
+        Nid = "pWLG7WOpVcw",
+        ExportName = "sceAgcDriverUnregisterResource",
+        Target = Generation.Gen5,
+        LibraryName = "libSceAgc")]
+    public static int DriverUnregisterResource(CpuContext ctx)
+    {
+        var resourceHandle = (uint)ctx[CpuRegister.Rdi];
+        var state = _submittedGpuStates.GetValue(ctx.Memory, static _ => new SubmittedGpuState());
+        lock (state.Gate)
+        {
+            if (!state.RegisteredResources.Remove(resourceHandle))
+            {
+                return ctx.SetReturn(OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT);
+            }
+        }
+
+        TraceAgc($"agc.driver_unregister_resource handle={resourceHandle}");
+        return ctx.SetReturn(OrbisGen2Result.ORBIS_GEN2_OK);
+    }
+
     [SysAbiExport(
     Nid = "-KRzWekV120",
     ExportName = "sceAgcDriverUnknown_KRzWekV120",
@@ -3167,7 +3442,8 @@ public static class AgcExports
                 exportState,
                 out var exportEvaluation,
                 out error,
-                resolveVertexInputs: true) ||
+                resolveVertexInputs: true,
+                vertexRecordLimit: indexed ? null : vertexCount) ||
             !Gen5ShaderTranslator.TryCreateState(
                 ctx,
                 pixelShaderAddress,
@@ -3191,14 +3467,19 @@ public static class AgcExports
                 HasPixelColorExport(pixelState, target.Slot))
             .ToArray();
         var outputKind = GetPixelOutputKind(renderTargets.FirstOrDefault().NumberType);
-        var exportStateFingerprint = ComputeShaderStateFingerprint(exportEvaluation);
-        var pixelStateFingerprint = ComputeShaderStateFingerprint(pixelEvaluation);
+        var attributeCount = GetInterpolatedAttributeCount(pixelState);
+        var exportStateFingerprint = ComputeShaderStructureFingerprint(exportEvaluation);
+        var pixelStateFingerprint = ComputeShaderStructureFingerprint(pixelEvaluation);
         var shaderKey = (
             exportShaderAddress,
             exportStateFingerprint,
             pixelShaderAddress,
             pixelStateFingerprint,
-            outputKind);
+            outputKind,
+            attributeCount);
+        var totalGlobalBuffers =
+            pixelEvaluation.GlobalMemoryBindings.Count +
+            exportEvaluation.GlobalMemoryBindings.Count;
         (byte[] Vertex, byte[] Pixel) compiled;
         lock (_submitTraceGate)
         {
@@ -3207,9 +3488,6 @@ public static class AgcExports
 
         if (compiled.Vertex is null || compiled.Pixel is null)
         {
-            var totalGlobalBuffers =
-                pixelEvaluation.GlobalMemoryBindings.Count +
-                exportEvaluation.GlobalMemoryBindings.Count;
             if (!Gen5SpirvTranslator.TryCompilePixelShader(
                     pixelState,
                     pixelEvaluation,
@@ -3217,16 +3495,18 @@ public static class AgcExports
                     out var pixelShader,
                     out error,
                     globalBufferBase: 0,
-                    totalGlobalBufferCount: totalGlobalBuffers,
-                    imageBindingBase: 0) ||
+                    totalGlobalBufferCount: totalGlobalBuffers + 2,
+                    imageBindingBase: 0,
+                    scalarRegisterBufferIndex: totalGlobalBuffers) ||
                 !Gen5SpirvTranslator.TryCompileVertexShader(
                     exportState,
                     exportEvaluation,
                     out var vertexShader,
                     out error,
                     globalBufferBase: pixelEvaluation.GlobalMemoryBindings.Count,
-                    totalGlobalBufferCount: totalGlobalBuffers,
-                    imageBindingBase: pixelEvaluation.ImageBindings.Count))
+                    totalGlobalBufferCount: totalGlobalBuffers + 2,
+                    imageBindingBase: pixelEvaluation.ImageBindings.Count,
+                    scalarRegisterBufferIndex: totalGlobalBuffers + 1))
             {
                 return false;
             }
@@ -3278,6 +3558,8 @@ public static class AgcExports
 
         var globalMemoryBindings = pixelEvaluation.GlobalMemoryBindings
             .Concat(exportEvaluation.GlobalMemoryBindings)
+            .Append(CreateScalarRegisterBinding(pixelEvaluation))
+            .Append(CreateScalarRegisterBinding(exportEvaluation))
             .ToArray();
         IReadOnlyList<Gen5VertexInputBinding> vertexInputs =
             exportEvaluation.VertexInputs ?? [];
@@ -3288,7 +3570,7 @@ public static class AgcExports
             primitiveType,
             compiled.Vertex,
             compiled.Pixel,
-            GetInterpolatedAttributeCount(pixelState),
+            attributeCount,
             vertexCount,
             state.InstanceCount,
             indexed ? CreateVulkanIndexBuffer(ctx, state, vertexCount) : null,
@@ -3400,6 +3682,88 @@ public static class AgcExports
         return (uint)(maxAttribute + 1);
     }
 
+    private const int ShaderScalarRegisterCount = 256;
+
+    private static Gen5GlobalMemoryBinding CreateScalarRegisterBinding(
+        Gen5ShaderEvaluation evaluation)
+    {
+        var data = new byte[ShaderScalarRegisterCount * sizeof(uint)];
+        var registers = evaluation.InitialScalarRegisters;
+        var count = Math.Min(registers.Count, ShaderScalarRegisterCount);
+        for (var index = 0; index < count; index++)
+        {
+            var value = registers[index];
+            var offset = index * sizeof(uint);
+            data[offset] = (byte)value;
+            data[offset + 1] = (byte)(value >> 8);
+            data[offset + 2] = (byte)(value >> 16);
+            data[offset + 3] = (byte)(value >> 24);
+        }
+
+        return new Gen5GlobalMemoryBinding(0, 0, [], data);
+    }
+
+    private static ulong ComputeShaderStructureFingerprint(Gen5ShaderEvaluation evaluation)
+    {
+        const ulong offsetBasis = 14695981039346656037UL;
+        const ulong prime = 1099511628211UL;
+        var hash = offsetBasis;
+        void Mix(ulong value) => hash = (hash ^ value) * prime;
+
+        Mix((ulong)evaluation.GlobalMemoryBindings.Count);
+        foreach (var binding in evaluation.GlobalMemoryBindings)
+        {
+            Mix(binding.ScalarAddress);
+            Mix((ulong)binding.InstructionPcs.Count);
+            foreach (var pc in binding.InstructionPcs)
+            {
+                Mix(pc);
+            }
+        }
+
+        Mix((ulong)evaluation.ImageBindings.Count);
+        foreach (var image in evaluation.ImageBindings)
+        {
+            Mix(image.Pc);
+            Mix((ulong)(uint)image.Opcode.GetHashCode());
+            foreach (var word in image.ResourceDescriptor)
+            {
+                Mix(word);
+            }
+
+            foreach (var word in image.SamplerDescriptor)
+            {
+                Mix(word);
+            }
+
+            Mix(image.MipLevel ?? uint.MaxValue);
+        }
+
+        if (evaluation.VertexInputs is { } vertexInputs)
+        {
+            Mix((ulong)vertexInputs.Count);
+            foreach (var input in vertexInputs)
+            {
+                Mix(input.Pc);
+                Mix(input.Location);
+                Mix(input.ComponentCount);
+                Mix(input.DataFormat);
+                Mix(input.NumberFormat);
+                Mix(input.Stride);
+            }
+        }
+
+        if (evaluation.ComputeSystemRegisters is { } computeSystemRegisters)
+        {
+            Mix(computeSystemRegisters.WorkGroupXRegister ?? uint.MaxValue);
+            Mix(computeSystemRegisters.WorkGroupYRegister ?? uint.MaxValue);
+            Mix(computeSystemRegisters.WorkGroupZRegister ?? uint.MaxValue);
+            Mix(computeSystemRegisters.ThreadGroupSizeRegister ?? uint.MaxValue);
+        }
+
+        return hash;
+    }
+
     private static ulong ComputeShaderStateFingerprint(Gen5ShaderEvaluation evaluation)
     {
         const ulong offsetBasis = 14695981039346656037UL;
@@ -4250,7 +4614,7 @@ public static class AgcExports
         var localSizeZ = GetComputeLocalSize(state.ShRegisters, ComputeNumThreadZ);
         var gpuDispatch = false;
         var computeError = string.Empty;
-        if (hasStorageBinding &&
+        if ((hasStorageBinding || evaluation.GlobalMemoryBindings.Count != 0) &&
             (ulong)localSizeX * localSizeY * localSizeZ <= 1024)
         {
             var shaderKey = (
@@ -4320,7 +4684,8 @@ public static class AgcExports
                     $"groups={dispatch.GroupCountX}x{dispatch.GroupCountY}x{dispatch.GroupCountZ} " +
                     $"local={localSizeX}x{localSizeY}x{localSizeZ} " +
                     $"sys={DescribeComputeSystemRegisters(computeSystemRegisters)} " +
-                    $"gpu={gpuDispatch} blits={blitCount}" +
+                    $"gpu={gpuDispatch} blits={blitCount} " +
+                    $"globals={evaluation.GlobalMemoryBindings.Count}" +
                     (computeError.Length == 0 ? string.Empty : $" error={computeError}") +
                     $" bindings=[{string.Join(',', descriptions)}]");
             }

src/SharpEmu.Libs/Agc/Gen5ShaderScalarEvaluator.cs

@@ -13,6 +13,24 @@ internal static class Gen5ShaderScalarEvaluator
     private const int ImageDescriptorDwords = 8;
     private const int SamplerDescriptorDwords = 4;
     private const int MaxGlobalMemoryBindingBytes = 16 * 1024 * 1024;
+    private static readonly int DefaultGlobalMemoryBindingBytes =
+        int.TryParse(
+            Environment.GetEnvironmentVariable("SHARPEMU_GLOBAL_BINDING_BYTES"),
+            out var configured) && configured >= sizeof(uint)
+            ? Math.Min(configured, MaxGlobalMemoryBindingBytes)
+            : 1 * 1024 * 1024;
+
+    internal static long GlobalMemoryReadCount;
+    internal static long GlobalMemoryReadBytes;
+    internal static long GlobalMemoryReadCacheHits;
+    internal static long GlobalMemoryReadPvmBytes;
+    internal static long GlobalMemoryReadLibcBytes;
+    internal static long GlobalMemoryReadReuses;
+
+    private const long CrossFrameReadCacheMaxBytes = 1024L * 1024 * 1024;
+    private static readonly object _crossFrameReadGate = new();
+    private static readonly Dictionary<(ulong BaseAddress, int SizeBytes), byte[]> _crossFrameReadCache = new();
+    private static long _crossFrameReadCacheBytes;
     private const ulong RdnaWaveMask = 0xFFFF_FFFFUL;
 
     private readonly record struct BufferDescriptor(
@@ -44,7 +62,8 @@ internal static class Gen5ShaderScalarEvaluator
         Gen5ShaderState state,
         out Gen5ShaderEvaluation evaluation,
         out string error,
-        bool resolveVertexInputs = false)
+        bool resolveVertexInputs = false,
+        uint? vertexRecordLimit = null)
     {
         evaluation = default!;
         error = string.Empty;
@@ -255,10 +274,28 @@ internal static class Gen5ShaderScalarEvaluator
                 if (resolveVertexInputs &&
                     IsVertexFetchCandidate(instruction, bufferMemory, bufferDescriptor))
                 {
+                    var vertexReadSize = bufferDescriptor.SizeBytes;
+                    if (vertexRecordLimit is { } recordLimit &&
+                        instruction.Sources.Count > 2 &&
+                        TryEvaluateScalarOperand(
+                            instruction.Sources[2],
+                            scalarRegisters,
+                            out var scalarOffset))
+                    {
+                        var bindingOffset = unchecked((uint)bufferMemory.OffsetBytes + scalarOffset);
+                        var requiredBytes =
+                            (ulong)bindingOffset +
+                            (ulong)(Math.Max(recordLimit, 1u) - 1u) * bufferDescriptor.Stride +
+                            (ulong)bufferMemory.DwordCount * sizeof(uint);
+                        vertexReadSize = Math.Min(
+                            bufferDescriptor.SizeBytes,
+                            Math.Max(requiredBytes, sizeof(uint)));
+                    }
+
                     if (!TryReadGlobalMemory(
                             ctx,
                             bufferDescriptor.BaseAddress,
-                            bufferDescriptor.SizeBytes,
+                            vertexReadSize,
                             out var vertexData))
                     {
                         error =
@@ -533,22 +570,29 @@ internal static class Gen5ShaderScalarEvaluator
         return false;
     }
 
+    [ThreadStatic]
+    private static Dictionary<(ulong BaseAddress, int SizeBytes), byte[]>? _globalMemoryReadCache;
+
+    internal static void BeginGlobalMemoryReadScope()
+    {
+        _globalMemoryReadCache = new Dictionary<(ulong, int), byte[]>();
+    }
+
+    internal static void EndGlobalMemoryReadScope()
+    {
+        _globalMemoryReadCache = null;
+    }
+
     private static bool TryReadGlobalMemory(
         CpuContext ctx,
         ulong baseAddress,
         out byte[] data)
     {
-        for (var size = MaxGlobalMemoryBindingBytes; size >= 4096; size >>= 1)
-        {
-            data = GC.AllocateUninitializedArray<byte>(size);
-            if (ctx.Memory.TryRead(baseAddress, data))
-            {
-                return true;
-            }
-        }
-
-        data = [];
-        return false;
+        return TryReadGlobalMemory(
+            ctx,
+            baseAddress,
+            (ulong)DefaultGlobalMemoryBindingBytes,
+            out data);
     }
 
     private static bool TryReadGlobalMemory(
@@ -570,13 +614,74 @@ internal static class Gen5ShaderScalarEvaluator
             return false;
         }
 
+        var cache = _globalMemoryReadCache;
+        var cacheKey = (baseAddress, (int)cappedSize);
+        if (cache is not null && cache.TryGetValue(cacheKey, out var cached))
+        {
+            Interlocked.Increment(ref GlobalMemoryReadCacheHits);
+            data = cached;
+            return true;
+        }
+
+        byte[]? previous;
+        lock (_crossFrameReadGate)
+        {
+            _crossFrameReadCache.TryGetValue(cacheKey, out previous);
+        }
+
+        if (previous is not null && ctx.Memory.TryCompare(baseAddress, previous))
+        {
+            Interlocked.Increment(ref GlobalMemoryReadReuses);
+            if (cache is not null)
+            {
+                cache[cacheKey] = previous;
+            }
+
+            data = previous;
+            return true;
+        }
+
         var candidateSize = (int)cappedSize;
         while (candidateSize >= sizeof(uint))
         {
             data = GC.AllocateUninitializedArray<byte>(candidateSize);
-            if (ctx.Memory.TryRead(baseAddress, data) ||
+            var readFromPvm = ctx.Memory.TryRead(baseAddress, data);
+            if (readFromPvm ||
                 KernelMemoryCompatExports.TryReadTrackedLibcHeap(baseAddress, data))
             {
+                Interlocked.Increment(ref GlobalMemoryReadCount);
+                Interlocked.Add(ref GlobalMemoryReadBytes, data.Length);
+                if (readFromPvm)
+                {
+                    Interlocked.Add(ref GlobalMemoryReadPvmBytes, data.Length);
+                }
+                else
+                {
+                    Interlocked.Add(ref GlobalMemoryReadLibcBytes, data.Length);
+                }
+
+                if (cache is not null)
+                {
+                    cache[cacheKey] = data;
+                }
+
+                lock (_crossFrameReadGate)
+                {
+                    if (_crossFrameReadCache.TryGetValue(cacheKey, out var replaced))
+                    {
+                        _crossFrameReadCacheBytes -= replaced.Length;
+                    }
+
+                    if (_crossFrameReadCacheBytes + data.Length > CrossFrameReadCacheMaxBytes)
+                    {
+                        _crossFrameReadCache.Clear();
+                        _crossFrameReadCacheBytes = 0;
+                    }
+
+                    _crossFrameReadCache[cacheKey] = data;
+                    _crossFrameReadCacheBytes += data.Length;
+                }
+
                 return true;
             }
 

src/SharpEmu.Libs/Agc/Gen5ShaderTranslator.cs

@@ -802,8 +802,15 @@ internal static class Gen5ShaderTranslator
             0x14 => "VCmpxGtF32",
             0x15 => "VCmpxLgF32",
             0x16 => "VCmpxGeF32",
+            0x17 => "VCmpxOF32",
+            0x18 => "VCmpxUF32",
+            0x19 => "VCmpxNgeF32",
+            0x1A => "VCmpxNlgF32",
+            0x1B => "VCmpxNgtF32",
+            0x1C => "VCmpxNleF32",
             0x1D => "VCmpxNeqF32",
             0x1E => "VCmpxNltF32",
+            0x1F => "VCmpxTruF32",
             0x80 => "VCmpFI32",
             0x81 => "VCmpLtI32",
             0x82 => "VCmpEqI32",

src/SharpEmu.Libs/Agc/Gen5SpirvTranslator.Alu.cs

@@ -396,6 +396,14 @@ internal static partial class Gen5SpirvTranslator
                             _module.Constant64(_ulongType, 32)));
                     break;
                 }
+                case "VBcntU32B32":
+                    result = IAdd(
+                        _module.AddInstruction(
+                            SpirvOp.BitCount,
+                            _uintType,
+                            GetRawSource(instruction, 0)),
+                        GetRawSource(instruction, 1));
+                    break;
                 case "VMadU32U24":
                 {
                     var left = BitwiseAnd(
@@ -593,6 +601,18 @@ internal static partial class Gen5SpirvTranslator
                         Ext(38, _uintType, high, right));
                     break;
                 }
+                case "VSadU32":
+                {
+                    var left = GetRawSource(instruction, 0);
+                    var right = GetRawSource(instruction, 1);
+                    var difference = _module.AddInstruction(
+                        SpirvOp.ISub,
+                        _uintType,
+                        Ext(41, _uintType, left, right),
+                        Ext(38, _uintType, left, right));
+                    result = IAdd(difference, GetRawSource(instruction, 2));
+                    break;
+                }
                 case "VMed3I32":
                 {
                     var left = Bitcast(_intType, GetRawSource(instruction, 0));
@@ -702,6 +722,14 @@ internal static partial class Gen5SpirvTranslator
                     result = Ext(58, _uintType, vector);
                     break;
                 }
+                case "VCvtPkU16U32":
+                case "VCvtPkI16I32":
+                    result = BitwiseOr(
+                        BitwiseAnd(GetRawSource(instruction, 0), UInt(0xFFFF)),
+                        ShiftLeftLogical(
+                            BitwiseAnd(GetRawSource(instruction, 1), UInt(0xFFFF)),
+                            UInt(16)));
+                    break;
                 default:
                     error = $"unsupported vector opcode {instruction.Opcode}";
                     return false;
@@ -833,6 +861,25 @@ internal static partial class Gen5SpirvTranslator
             {
                 condition = _module.ConstantBool(true);
             }
+            else if (opcode is "VCmpOF32" or "VCmpxOF32" or "VCmpUF32" or "VCmpxUF32")
+            {
+                // The ordered/unordered predicates only test whether either
+                // operand is NaN. SPIR-V's OpOrdered/OpUnordered are Kernel-only,
+                // so build the same result from OpIsNan, which needs no extra
+                // capability: unordered = isnan(a) || isnan(b), ordered = !that.
+                var left = GetFloatSource(instruction, 0);
+                var right = GetFloatSource(instruction, 1);
+                var nanLeft = _module.AddInstruction(SpirvOp.IsNan, _boolType, left);
+                var nanRight = _module.AddInstruction(SpirvOp.IsNan, _boolType, right);
+                var unordered = _module.AddInstruction(
+                    SpirvOp.LogicalOr,
+                    _boolType,
+                    nanLeft,
+                    nanRight);
+                condition = opcode is "VCmpUF32" or "VCmpxUF32"
+                    ? unordered
+                    : _module.AddInstruction(SpirvOp.LogicalNot, _boolType, unordered);
+            }
             else if (opcode is not ("VCmpClassF32" or "VCmpxClassF32") &&
                      opcode.EndsWith("F32", StringComparison.Ordinal))
             {
@@ -847,6 +894,7 @@ internal static partial class Gen5SpirvTranslator
                     "VCmpLgF32" or "VCmpxLgF32" => SpirvOp.FOrdNotEqual,
                     "VCmpGeF32" or "VCmpxGeF32" => SpirvOp.FOrdGreaterThanEqual,
                     "VCmpNeqF32" or "VCmpxNeqF32" => SpirvOp.FUnordNotEqual,
+                    "VCmpNlgF32" or "VCmpxNlgF32" => SpirvOp.FUnordEqual,
                     "VCmpNltF32" or "VCmpxNltF32" => SpirvOp.FUnordGreaterThanEqual,
                     "VCmpNleF32" or "VCmpxNleF32" => SpirvOp.FUnordGreaterThan,
                     "VCmpNgtF32" or "VCmpxNgtF32" => SpirvOp.FUnordLessThanEqual,
@@ -897,7 +945,8 @@ internal static partial class Gen5SpirvTranslator
                 condition = _module.AddInstruction(operation, _boolType, left, right);
             }
 
-            StoreWaveMask(106, condition);
+            // On gfx10, VCmpx writes EXEC only and preserves VCC; the sdst
+            // operand was removed from the cmpx encodings on this generation.
             if (opcode.StartsWith("VCmpx", StringComparison.Ordinal))
             {
                 var active = _module.AddInstruction(
@@ -907,6 +956,10 @@ internal static partial class Gen5SpirvTranslator
                     condition);
                 StoreWaveMask(126, active);
             }
+            else
+            {
+                StoreWaveMask(106, condition);
+            }
 
             return true;
         }
@@ -1303,6 +1356,43 @@ internal static partial class Gen5SpirvTranslator
                             Store(_scc, IsNotZero(result));
                             break;
                         }
+                        case "SAbsdiffI32":
+                        {
+                            var wideLeft = _module.AddInstruction(
+                                SpirvOp.SConvert,
+                                _longType,
+                                Bitcast(_intType, left));
+                            var wideRight = _module.AddInstruction(
+                                SpirvOp.SConvert,
+                                _longType,
+                                Bitcast(_intType, right));
+                            var difference = _module.AddInstruction(
+                                SpirvOp.ISub,
+                                _longType,
+                                wideLeft,
+                                wideRight);
+                            result = _module.AddInstruction(
+                                SpirvOp.UConvert,
+                                _uintType,
+                                Ext(5, _longType, difference));
+                            Store(_scc, IsNotZero(result));
+                            break;
+                        }
+                        case "SPackLlB32B16":
+                            result = BitwiseOr(
+                                BitwiseAnd(left, UInt(0xFFFF)),
+                                ShiftLeftLogical(right, UInt(16)));
+                            break;
+                        case "SPackLhB32B16":
+                            result = BitwiseOr(
+                                BitwiseAnd(left, UInt(0xFFFF)),
+                                BitwiseAnd(right, UInt(0xFFFF0000)));
+                            break;
+                        case "SPackHhB32B16":
+                            result = BitwiseOr(
+                                ShiftRightLogical(left, UInt(16)),
+                                BitwiseAnd(right, UInt(0xFFFF0000)));
+                            break;
                         case "SCselectB32":
                             result = _module.AddInstruction(
                                 SpirvOp.Select,

src/SharpEmu.Libs/Agc/Gen5SpirvTranslator.cs

@@ -18,7 +18,8 @@ internal static partial class Gen5SpirvTranslator
         out string error,
         int globalBufferBase = 0,
         int totalGlobalBufferCount = -1,
-        int imageBindingBase = 0)
+        int imageBindingBase = 0,
+        int scalarRegisterBufferIndex = -1)
     {
         var context = new CompilationContext(
             Gen5SpirvStage.Pixel,
@@ -30,7 +31,8 @@ internal static partial class Gen5SpirvTranslator
             1,
             globalBufferBase,
             totalGlobalBufferCount,
-            imageBindingBase);
+            imageBindingBase,
+            scalarRegisterBufferIndex);
         return context.TryCompile(out shader, out error);
     }
 
@@ -41,7 +43,8 @@ internal static partial class Gen5SpirvTranslator
         out string error,
         int globalBufferBase = 0,
         int totalGlobalBufferCount = -1,
-        int imageBindingBase = 0)
+        int imageBindingBase = 0,
+        int scalarRegisterBufferIndex = -1)
     {
         var context = new CompilationContext(
             Gen5SpirvStage.Vertex,
@@ -53,7 +56,8 @@ internal static partial class Gen5SpirvTranslator
             1,
             globalBufferBase,
             totalGlobalBufferCount,
-            imageBindingBase);
+            imageBindingBase,
+            scalarRegisterBufferIndex);
         return context.TryCompile(out shader, out error);
     }
 
@@ -76,7 +80,8 @@ internal static partial class Gen5SpirvTranslator
             Math.Max(localSizeZ, 1),
             0,
             -1,
-            0);
+            0,
+            -1);
         return context.TryCompile(out shader, out error);
     }
 
@@ -93,6 +98,7 @@ internal static partial class Gen5SpirvTranslator
         private readonly int _globalBufferBase;
         private readonly int _totalGlobalBufferCount;
         private readonly int _imageBindingBase;
+        private readonly int _scalarRegisterBufferIndex;
         private readonly List<uint> _interfaces = [];
         private readonly Dictionary<uint, uint> _pixelInputs = [];
         private readonly Dictionary<uint, uint> _vertexOutputs = [];
@@ -167,7 +173,8 @@ internal static partial class Gen5SpirvTranslator
             uint localSizeZ,
             int globalBufferBase,
             int totalGlobalBufferCount,
-            int imageBindingBase)
+            int imageBindingBase,
+            int scalarRegisterBufferIndex)
         {
             _stage = stage;
             _state = state;
@@ -181,6 +188,7 @@ internal static partial class Gen5SpirvTranslator
                 ? evaluation.GlobalMemoryBindings.Count
                 : totalGlobalBufferCount;
             _imageBindingBase = imageBindingBase;
+            _scalarRegisterBufferIndex = scalarRegisterBufferIndex;
         }
 
         public bool TryCompile(out Gen5SpirvShader shader, out string error)
@@ -767,15 +775,25 @@ internal static partial class Gen5SpirvTranslator
 
         private void EmitInitialState()
         {
-            for (uint index = 0;
-                 index < _evaluation.InitialScalarRegisters.Count &&
-                 index < ScalarRegisterCount;
-                 index++)
+            if (_scalarRegisterBufferIndex >= 0)
             {
-                var value = _evaluation.InitialScalarRegisters[(int)index];
-                if (value != 0)
+                for (uint index = 0; index < ScalarRegisterCount; index++)
                 {
-                    StoreS(index, UInt(value));
+                    StoreS(index, LoadBufferWord(_scalarRegisterBufferIndex, UInt(index)));
+                }
+            }
+            else
+            {
+                for (uint index = 0;
+                     index < _evaluation.InitialScalarRegisters.Count &&
+                     index < ScalarRegisterCount;
+                     index++)
+                {
+                    var value = _evaluation.InitialScalarRegisters[(int)index];
+                    if (value != 0)
+                    {
+                        StoreS(index, UInt(value));
+                    }
                 }
             }
 

src/SharpEmu.Libs/Ajm/AjmExports.cs

@@ -0,0 +1,37 @@
+// Copyright (C) 2026 SharpEmu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+using SharpEmu.HLE;
+
+namespace SharpEmu.Libs.Ajm;
+
+public static class AjmExports
+{
+    private const int OrbisAjmErrorInvalidParameter = unchecked((int)0x80930005);
+    private static int _nextContextId;
+
+    [SysAbiExport(
+        Nid = "dl+4eHSzUu4",
+        ExportName = "sceAjmInitialize",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libSceAjm")]
+    public static int Initialize(CpuContext ctx)
+    {
+        var reserved = ctx[CpuRegister.Rdi];
+        var outContextAddress = ctx[CpuRegister.Rsi];
+
+        // AJM requires a zero reserved argument.
+        if (reserved != 0 || outContextAddress == 0)
+        {
+            return ctx.SetReturn(OrbisAjmErrorInvalidParameter);
+        }
+
+        var contextId = unchecked((uint)Interlocked.Increment(ref _nextContextId));
+        if (!ctx.TryWriteUInt32(outContextAddress, contextId))
+        {
+            return ctx.SetReturn(OrbisAjmErrorInvalidParameter);
+        }
+
+        return ctx.SetReturn(0);
+    }
+}

src/SharpEmu.Libs/Audio/AudioOut2Exports.cs

@@ -202,7 +202,7 @@ public static class AudioOut2Exports
     {
         var userId = unchecked((int)ctx[CpuRegister.Rdi]);
         var outUserAddress = ctx[CpuRegister.Rsi];
-        if ((userId != 0 && userId != 1 && userId != 255) || outUserAddress == 0)
+        if ((userId != 0 && userId != 1 && userId != 1000 && userId != 255) || outUserAddress == 0)
         {
             return ctx.SetReturn((int)OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT);
         }

src/SharpEmu.Libs/Audio/AudioOutExports.cs

@@ -213,6 +213,17 @@ public static class AudioOutExports
                 : (int)OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT);
     }
 
+    public static void ShutdownAllPorts()
+    {
+        foreach (var handle in Ports.Keys)
+        {
+            if (Ports.TryRemove(handle, out var port))
+            {
+                port.Dispose();
+            }
+        }
+    }
+
     private static bool TryGetFormat(
         int rawFormat,
         out int channels,

src/SharpEmu.Libs/HostTimerResolution.cs

@@ -0,0 +1,46 @@
+// Copyright (C) 2026 SharpEmu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+using System.Runtime.InteropServices;
+using System.Runtime.Versioning;
+
+namespace SharpEmu.Libs;
+
+public static class HostTimerResolution
+{
+    private const uint TargetPeriodMilliseconds = 1;
+
+    private static int _requested;
+
+    public static void Request()
+    {
+        if (Interlocked.Exchange(ref _requested, 1) != 0)
+        {
+            return;
+        }
+
+        if (!OperatingSystem.IsWindows())
+        {
+            return;
+        }
+
+        try
+        {
+            if (TimeBeginPeriod(TargetPeriodMilliseconds) != 0)
+            {
+                Console.Error.WriteLine(
+                    "[LOADER][WARN] Host timer resolution request rejected; " +
+                    "timed waits keep the default ~15.6 ms granularity.");
+            }
+        }
+        catch (DllNotFoundException exception)
+        {
+            Console.Error.WriteLine(
+                $"[LOADER][WARN] Host timer resolution unavailable: {exception.Message}");
+        }
+    }
+
+    [SupportedOSPlatform("windows")]
+    [DllImport("winmm.dll", EntryPoint = "timeBeginPeriod", ExactSpelling = true)]
+    private static extern uint TimeBeginPeriod(uint uPeriod);
+}

src/SharpEmu.Libs/Json/JsonExports.cs

@@ -78,6 +78,58 @@ public static class JsonExports
         return (int)OrbisGen2Result.ORBIS_GEN2_OK;
     }
 
+    [SysAbiExport(
+        Nid = "WSOuge5IsCg",
+        ExportName = "_ZN3sce4Json14InitParameter2C1Ev",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libSceJson2")]
+    public static int InitParameter2Constructor(CpuContext ctx)
+    {
+        var thisAddress = ctx[CpuRegister.Rdi];
+        TraceJson("InitParameter2.ctor", thisAddress, ctx[CpuRegister.Rsi]);
+        ctx[CpuRegister.Rax] = thisAddress;
+        return (int)OrbisGen2Result.ORBIS_GEN2_OK;
+    }
+
+    [SysAbiExport(
+        Nid = "I2QC8PYhJWY",
+        ExportName = "_ZN3sce4Json14InitParameter212setAllocatorEPNS0_12MemAllocatorEPv",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libSceJson2")]
+    public static int InitParameter2SetAllocator(CpuContext ctx)
+    {
+        var thisAddress = ctx[CpuRegister.Rdi];
+        TraceJson("InitParameter2.setAllocator", thisAddress, ctx[CpuRegister.Rsi]);
+        ctx[CpuRegister.Rax] = thisAddress;
+        return (int)OrbisGen2Result.ORBIS_GEN2_OK;
+    }
+
+    [SysAbiExport(
+        Nid = "Eu95jmqn5Rw",
+        ExportName = "_ZN3sce4Json14InitParameter217setFileBufferSizeEm",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libSceJson2")]
+    public static int InitParameter2SetFileBufferSize(CpuContext ctx)
+    {
+        var thisAddress = ctx[CpuRegister.Rdi];
+        TraceJson("InitParameter2.setFileBufferSize", thisAddress, ctx[CpuRegister.Rsi]);
+        ctx[CpuRegister.Rax] = thisAddress;
+        return (int)OrbisGen2Result.ORBIS_GEN2_OK;
+    }
+
+    [SysAbiExport(
+        Nid = "IXW-z8pggfg",
+        ExportName = "_ZN3sce4Json11Initializer10initializeEPKNS0_14InitParameter2E",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libSceJson2")]
+    public static int Initializer2Constructor(CpuContext ctx)
+    {
+        var thisAddress = ctx[CpuRegister.Rdi];
+        TraceJson("Initializer2.ctor", thisAddress, ctx[CpuRegister.Rsi]);
+        ctx[CpuRegister.Rax] = thisAddress;
+        return (int)OrbisGen2Result.ORBIS_GEN2_OK;
+    }
+
     private static void TraceJson(string operation, ulong thisAddress, ulong argument)
     {
         if (!string.Equals(Environment.GetEnvironmentVariable("SHARPEMU_LOG_JSON"), "1", StringComparison.Ordinal))

src/SharpEmu.Libs/Kernel/KernelAprCompatExports.cs

@@ -80,14 +80,8 @@ public static class KernelAprCompatExports
             return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_NOT_FOUND;
         }
 
-        var resultAddress = ResolveWaitResultAddress(waitArg1, waitArg2, submission.ResultAddress);
-        if (resultAddress != 0 && !TryWriteAprResult(ctx, resultAddress))
-        {
-            TraceAprWaitFailure(ctx, "wait_result_fault", submissionId, submission.CommandBuffer, waitArg1, waitArg2);
-            return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT;
-        }
-
-        TraceApr(ctx, "wait", submissionId, submission.CommandBuffer, waitArg1, resultAddress);
+        // Completion output was written when the command was submitted.
+        TraceApr(ctx, "wait", submissionId, submission.CommandBuffer, waitArg1, waitArg2);
         return (int)OrbisGen2Result.ORBIS_GEN2_OK;
     }
 
@@ -169,27 +163,6 @@ public static class KernelAprCompatExports
         return ctx.Memory.TryWrite(resultAddress, result);
     }
 
-    private static ulong ResolveWaitResultAddress(ulong waitArg1, ulong waitArg2, ulong submittedResultAddress)
-    {
-        if (waitArg2 == 0)
-        {
-            return submittedResultAddress;
-        }
-
-        if (IsAmprCompletionToken(waitArg1) && waitArg2 <= 0xFFFF)
-        {
-            return submittedResultAddress;
-        }
-
-        return waitArg2;
-    }
-
-    private static bool IsAmprCompletionToken(ulong value)
-    {
-        var tag = value >> 56;
-        return tag is 0x0C or 0x10;
-    }
-
     private static void TraceApr(
         CpuContext ctx,
         string operation,

src/SharpEmu.Libs/Kernel/KernelEventFlagCompatExports.cs

@@ -2,6 +2,7 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 
 using System.Collections.Concurrent;
+using System.Diagnostics;
 using System.Text;
 using SharpEmu.HLE;
 using SharpEmu.Libs.Fiber;
@@ -33,6 +34,11 @@ public static class KernelEventFlagCompatExports
         public object Gate { get; } = new();
     }
 
+    private sealed class EventFlagWaiter
+    {
+        public OrbisGen2Result? Result { get; set; }
+    }
+
     [SysAbiExport(
         Nid = "BpFoboUJoZU",
         ExportName = "sceKernelCreateEventFlag",
@@ -233,9 +239,47 @@ public static class KernelEventFlagCompatExports
 
             if (timeoutAddress != 0)
             {
+                if (timeoutUsec == 0)
+                {
+                    _ = ctx.TryWriteUInt32(timeoutAddress, 0);
+                    _ = TryWriteResultPattern(ctx, resultAddress, state.Bits);
+                    TraceEventFlag($"wait-timeout handle=0x{handle:X16} pattern=0x{pattern:X16} timeout=0 ret=0x{returnRip:X16}");
+                    return ctx.SetReturn(OrbisGen2Result.ORBIS_GEN2_ERROR_TIMED_OUT);
+                }
+
+                var deadline = GuestThreadExecution.ComputeDeadlineTimestamp(
+                    TimeSpan.FromTicks((long)timeoutUsec * 10L));
+                var timedWaiter = new EventFlagWaiter();
+                if (GuestThreadExecution.RequestCurrentThreadBlock(
+                        ctx,
+                        "sceKernelWaitEventFlag",
+                        GetEventFlagWakeKey(handle),
+                        resumeHandler: () => CompleteBlockedTimedWait(
+                            ctx,
+                            state,
+                            timedWaiter,
+                            pattern,
+                            waitMode,
+                            resultAddress,
+                            timeoutAddress,
+                            deadline),
+                        wakeHandler: () => TryCompleteBlockedTimedWait(
+                            ctx,
+                            state,
+                            timedWaiter,
+                            pattern,
+                            waitMode,
+                            resultAddress),
+                        blockDeadlineTimestamp: deadline))
+                {
+                    state.WaitingThreads++;
+                    TraceEventFlag($"wait-block-timed handle=0x{handle:X16} pattern=0x{pattern:X16} timeout={timeoutUsec} waiters={state.WaitingThreads} ret=0x{returnRip:X16}");
+                    return ctx.SetReturn(OrbisGen2Result.ORBIS_GEN2_OK);
+                }
+
                 _ = ctx.TryWriteUInt32(timeoutAddress, 0);
                 _ = TryWriteResultPattern(ctx, resultAddress, state.Bits);
-                TraceEventFlag($"wait-timeout handle=0x{handle:X16} pattern=0x{pattern:X16} timeout={timeoutUsec} ret=0x{returnRip:X16}");
+                TraceEventFlag($"wait-timeout-host handle=0x{handle:X16} pattern=0x{pattern:X16} timeout={timeoutUsec} ret=0x{returnRip:X16}");
                 return ctx.SetReturn(OrbisGen2Result.ORBIS_GEN2_ERROR_TIMED_OUT);
             }
 
@@ -446,6 +490,92 @@ public static class KernelEventFlagCompatExports
         }
     }
 
+    private static bool TryCompleteBlockedTimedWait(
+        CpuContext ctx,
+        EventFlagState state,
+        EventFlagWaiter waiter,
+        ulong pattern,
+        uint waitMode,
+        ulong resultAddress)
+    {
+        lock (state.Gate)
+        {
+            if (waiter.Result is not null)
+            {
+                return true;
+            }
+
+            if (!IsSatisfied(state.Bits, pattern, waitMode))
+            {
+                return false;
+            }
+
+            waiter.Result = TryWriteResultPattern(ctx, resultAddress, state.Bits)
+                ? OrbisGen2Result.ORBIS_GEN2_OK
+                : OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT;
+            if (waiter.Result == OrbisGen2Result.ORBIS_GEN2_OK)
+            {
+                ApplyClearMode(state, pattern, waitMode);
+            }
+
+            state.WaitingThreads = Math.Max(0, state.WaitingThreads - 1);
+            return true;
+        }
+    }
+
+    private static int CompleteBlockedTimedWait(
+        CpuContext ctx,
+        EventFlagState state,
+        EventFlagWaiter waiter,
+        ulong pattern,
+        uint waitMode,
+        ulong resultAddress,
+        ulong timeoutAddress,
+        long deadlineTimestamp)
+    {
+        lock (state.Gate)
+        {
+            if (waiter.Result is null)
+            {
+                if (IsSatisfied(state.Bits, pattern, waitMode))
+                {
+                    waiter.Result = TryWriteResultPattern(ctx, resultAddress, state.Bits)
+                        ? OrbisGen2Result.ORBIS_GEN2_OK
+                        : OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT;
+                    if (waiter.Result == OrbisGen2Result.ORBIS_GEN2_OK)
+                    {
+                        ApplyClearMode(state, pattern, waitMode);
+                    }
+                }
+                else
+                {
+                    waiter.Result = TryWriteResultPattern(ctx, resultAddress, state.Bits)
+                        ? OrbisGen2Result.ORBIS_GEN2_ERROR_TIMED_OUT
+                        : OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT;
+                }
+
+                state.WaitingThreads = Math.Max(0, state.WaitingThreads - 1);
+            }
+        }
+
+        if (waiter.Result == OrbisGen2Result.ORBIS_GEN2_OK)
+        {
+            var remainingTicks = deadlineTimestamp - Stopwatch.GetTimestamp();
+            var remainingMicros = remainingTicks <= 0
+                ? 0u
+                : (uint)Math.Min(
+                    uint.MaxValue,
+                    remainingTicks / (double)Stopwatch.Frequency * 1_000_000d);
+            _ = ctx.TryWriteUInt32(timeoutAddress, remainingMicros);
+        }
+        else
+        {
+            _ = ctx.TryWriteUInt32(timeoutAddress, 0);
+        }
+
+        return (int)waiter.Result.Value;
+    }
+
     private static string GetEventFlagWakeKey(ulong handle) =>
         $"event_flag:0x{handle:X16}";
 

src/SharpEmu.Libs/Kernel/KernelEventQueueCompatExports.cs

@@ -11,6 +11,7 @@ public static class KernelEventQueueCompatExports
 {
     private const int KernelEventSize = 0x20;
     public const short KernelEventFilterGraphics = -14;
+    public const short KernelEventFilterUser = -11;
     public const short KernelEventFilterAmpr = -16;
     public const short KernelEventFilterAmprSystem = -17;
 
@@ -89,8 +90,16 @@ public static class KernelEventQueueCompatExports
         LibraryName = "libKernel")]
     public static int KernelAddUserEventEdge(CpuContext ctx)
     {
-        TraceEventQueue(ctx, "add_user_edge", ctx[CpuRegister.Rdi]);
-        return (int)OrbisGen2Result.ORBIS_GEN2_OK;
+        var handle = ctx[CpuRegister.Rdi];
+        var registered = RegisterEvent(
+            handle,
+            ctx[CpuRegister.Rsi],
+            KernelEventFilterUser,
+            0);
+        TraceEventQueue(ctx, "add_user_edge", handle);
+        return registered
+            ? (int)OrbisGen2Result.ORBIS_GEN2_OK
+            : (int)OrbisGen2Result.ORBIS_GEN2_ERROR_NOT_FOUND;
     }
 
     [SysAbiExport(
@@ -100,8 +109,16 @@ public static class KernelEventQueueCompatExports
         LibraryName = "libKernel")]
     public static int KernelAddUserEvent(CpuContext ctx)
     {
-        TraceEventQueue(ctx, "add_user", ctx[CpuRegister.Rdi]);
-        return (int)OrbisGen2Result.ORBIS_GEN2_OK;
+        var handle = ctx[CpuRegister.Rdi];
+        var registered = RegisterEvent(
+            handle,
+            ctx[CpuRegister.Rsi],
+            KernelEventFilterUser,
+            0);
+        TraceEventQueue(ctx, "add_user", handle);
+        return registered
+            ? (int)OrbisGen2Result.ORBIS_GEN2_OK
+            : (int)OrbisGen2Result.ORBIS_GEN2_ERROR_NOT_FOUND;
     }
 
     [SysAbiExport(
@@ -111,8 +128,15 @@ public static class KernelEventQueueCompatExports
         LibraryName = "libKernel")]
     public static int KernelDeleteUserEvent(CpuContext ctx)
     {
-        TraceEventQueue(ctx, "delete_user", ctx[CpuRegister.Rdi]);
-        return (int)OrbisGen2Result.ORBIS_GEN2_OK;
+        var handle = ctx[CpuRegister.Rdi];
+        var deleted = DeleteRegisteredEvent(
+            handle,
+            ctx[CpuRegister.Rsi],
+            KernelEventFilterUser);
+        TraceEventQueue(ctx, "delete_user", handle);
+        return deleted
+            ? (int)OrbisGen2Result.ORBIS_GEN2_OK
+            : (int)OrbisGen2Result.ORBIS_GEN2_ERROR_NOT_FOUND;
     }
 
     [SysAbiExport(
@@ -122,8 +146,18 @@ public static class KernelEventQueueCompatExports
         LibraryName = "libKernel")]
     public static int KernelTriggerUserEvent(CpuContext ctx)
     {
-        TraceEventQueue(ctx, "trigger_user", ctx[CpuRegister.Rdi]);
-        return (int)OrbisGen2Result.ORBIS_GEN2_OK;
+        var handle = ctx[CpuRegister.Rdi];
+        var triggered = TriggerRegisteredEvent(
+            handle,
+            ctx[CpuRegister.Rsi],
+            KernelEventFilterUser,
+            flags: 0x21,
+            fflags: 0,
+            data: ctx[CpuRegister.Rdx]);
+        TraceEventQueue(ctx, "trigger_user", handle);
+        return triggered
+            ? (int)OrbisGen2Result.ORBIS_GEN2_OK
+            : (int)OrbisGen2Result.ORBIS_GEN2_ERROR_NOT_FOUND;
     }
 
     [SysAbiExport(
@@ -475,6 +509,43 @@ public static class KernelEventQueueCompatExports
         return triggeredCount;
     }
 
+    private static bool TriggerRegisteredEvent(
+        ulong handle,
+        ulong ident,
+        short filter,
+        ushort flags,
+        uint fflags,
+        ulong data)
+    {
+        lock (_eventQueueGate)
+        {
+            if (!_registeredEvents.TryGetValue(handle, out var registrations) ||
+                !registrations.TryGetValue((ident, filter), out var registration))
+            {
+                return false;
+            }
+
+            if (!_pendingEvents.TryGetValue(handle, out var queue))
+            {
+                queue = new LinkedList<KernelQueuedEvent>();
+                _pendingEvents[handle] = queue;
+            }
+
+            QueueOrUpdateEvent(
+                queue,
+                new KernelQueuedEvent(
+                    registration.Ident,
+                    registration.Filter,
+                    flags,
+                    fflags,
+                    data,
+                    registration.UserData));
+        }
+
+        WakeEventQueue(handle);
+        return true;
+    }
+
     public static bool TriggerDisplayEvent(
         ulong handle,
         ulong ident,
@@ -656,6 +727,6 @@ public static class KernelEventQueueCompatExports
 
         _ = ctx.TryReadUInt64(ctx[CpuRegister.Rsp], out ulong returnRip);
         Console.Error.WriteLine(
-            $"[LOADER][TRACE] equeue.{operation}: handle=0x{handle:X16} rsi=0x{ctx[CpuRegister.Rsi]:X16} rdx=0x{ctx[CpuRegister.Rdx]:X16} ret=0x{returnRip:X16}");
+            $"[LOADER][TRACE] equeue.{operation}: thread=0x{KernelPthreadState.GetCurrentThreadHandle():X16} handle=0x{handle:X16} rsi=0x{ctx[CpuRegister.Rsi]:X16} rdx=0x{ctx[CpuRegister.Rdx]:X16} ret=0x{returnRip:X16}");
     }
 }

src/SharpEmu.Libs/Kernel/KernelMemoryCompatExports.cs

@@ -478,7 +478,7 @@ public static class KernelMemoryCompatExports
 
     [SysAbiExport(
         Nid = "LHMrG7e8G78",
-        ExportName = "wcslen",
+        ExportName = "wcsmisc",
         Target = Generation.Gen4 | Generation.Gen5,
         LibraryName = "libc")]
     public static int Wcslen(CpuContext ctx)
@@ -1488,6 +1488,214 @@ public static class KernelMemoryCompatExports
         return (int)OrbisGen2Result.ORBIS_GEN2_OK;
     }
 
+    [SysAbiExport(
+        Nid = "ob5xAW4ln-0",
+        ExportName = "strchr",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libc")]
+    public static int Strchr(CpuContext ctx)
+    {
+        var address = ctx[CpuRegister.Rdi];
+        var needle = unchecked((byte)ctx[CpuRegister.Rsi]);
+        if (address == 0)
+        {
+            return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT;
+        }
+
+        // The terminator counts as part of the scanned range, so strchr(s, '\0')
+        // returns a pointer to the string's null byte just like a native libc.
+        Span<byte> current = stackalloc byte[1];
+        for (ulong index = 0; index < 1_048_576; index++)
+        {
+            if (!TryReadCompat(ctx, address + index, current))
+            {
+                return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT;
+            }
+
+            if (current[0] == needle)
+            {
+                ctx[CpuRegister.Rax] = address + index;
+                return (int)OrbisGen2Result.ORBIS_GEN2_OK;
+            }
+
+            if (current[0] == 0)
+            {
+                break;
+            }
+        }
+
+        ctx[CpuRegister.Rax] = 0;
+        return (int)OrbisGen2Result.ORBIS_GEN2_OK;
+    }
+
+    [SysAbiExport(
+        Nid = "9yDWMxEFdJU",
+        ExportName = "strrchr",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libc")]
+    public static int Strrchr(CpuContext ctx)
+    {
+        var address = ctx[CpuRegister.Rdi];
+        var needle = unchecked((byte)ctx[CpuRegister.Rsi]);
+        if (address == 0)
+        {
+            return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT;
+        }
+
+        ulong match = 0;
+        var found = false;
+        Span<byte> current = stackalloc byte[1];
+        for (ulong index = 0; index < 1_048_576; index++)
+        {
+            if (!TryReadCompat(ctx, address + index, current))
+            {
+                return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT;
+            }
+
+            if (current[0] == needle)
+            {
+                match = address + index;
+                found = true;
+            }
+
+            if (current[0] == 0)
+            {
+                break;
+            }
+        }
+
+        ctx[CpuRegister.Rax] = found ? match : 0;
+        return (int)OrbisGen2Result.ORBIS_GEN2_OK;
+    }
+
+    [SysAbiExport(
+        Nid = "8u8lPzUEq+U",
+        ExportName = "memchr",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libc")]
+    public static int Memchr(CpuContext ctx)
+    {
+        var address = ctx[CpuRegister.Rdi];
+        var needle = unchecked((byte)ctx[CpuRegister.Rsi]);
+        var count = ctx[CpuRegister.Rdx];
+
+        Span<byte> current = stackalloc byte[1];
+        for (ulong index = 0; index < count; index++)
+        {
+            if (!TryReadCompat(ctx, address + index, current))
+            {
+                return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT;
+            }
+
+            if (current[0] == needle)
+            {
+                ctx[CpuRegister.Rax] = address + index;
+                return (int)OrbisGen2Result.ORBIS_GEN2_OK;
+            }
+        }
+
+        ctx[CpuRegister.Rax] = 0;
+        return (int)OrbisGen2Result.ORBIS_GEN2_OK;
+    }
+
+    [SysAbiExport(
+        Nid = "Ls4tzzhimqQ",
+        ExportName = "strcat",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libc")]
+    public static int Strcat(CpuContext ctx)
+    {
+        var destination = ctx[CpuRegister.Rdi];
+        var source = ctx[CpuRegister.Rsi];
+        if (!TryReadCString(ctx, source, 1_048_576, out var sourceBytes))
+        {
+            return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT;
+        }
+
+        if (!TryReadCString(ctx, destination, 1_048_576, out var destinationBytes))
+        {
+            return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT;
+        }
+
+        // Overwrite the destination terminator and re-terminate after the copied bytes.
+        var appendAddress = destination + (ulong)destinationBytes.Length;
+        var payload = new byte[sourceBytes.Length + 1];
+        sourceBytes.CopyTo(payload.AsSpan());
+        if (!TryWriteCompat(ctx, appendAddress, payload))
+        {
+            return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT;
+        }
+
+        ctx[CpuRegister.Rax] = destination;
+        return (int)OrbisGen2Result.ORBIS_GEN2_OK;
+    }
+
+    [SysAbiExport(
+        Nid = "kHg45qPC6f0",
+        ExportName = "strncat",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libc")]
+    public static int Strncat(CpuContext ctx)
+    {
+        var destination = ctx[CpuRegister.Rdi];
+        var source = ctx[CpuRegister.Rsi];
+        var limit = ctx[CpuRegister.Rdx];
+
+        // Bounding the source read by the count yields strncat's "at most n bytes"
+        // semantics while still stopping early at the source terminator.
+        if (!TryReadCString(ctx, source, limit, out var sourceBytes))
+        {
+            return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT;
+        }
+
+        if (!TryReadCString(ctx, destination, 1_048_576, out var destinationBytes))
+        {
+            return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT;
+        }
+
+        var appendAddress = destination + (ulong)destinationBytes.Length;
+        var payload = new byte[sourceBytes.Length + 1];
+        sourceBytes.CopyTo(payload.AsSpan());
+        if (!TryWriteCompat(ctx, appendAddress, payload))
+        {
+            return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT;
+        }
+
+        ctx[CpuRegister.Rax] = destination;
+        return (int)OrbisGen2Result.ORBIS_GEN2_OK;
+    }
+
+    [SysAbiExport(
+        Nid = "viiwFMaNamA",
+        ExportName = "strstr",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libc")]
+    public static int Strstr(CpuContext ctx)
+    {
+        var haystack = ctx[CpuRegister.Rdi];
+        var needle = ctx[CpuRegister.Rsi];
+        if (!TryReadCString(ctx, haystack, 1_048_576, out var haystackBytes))
+        {
+            return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT;
+        }
+
+        if (!TryReadCString(ctx, needle, 1_048_576, out var needleBytes))
+        {
+            return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT;
+        }
+
+        // An empty needle matches at the start of the haystack.
+        if (needleBytes.Length == 0)
+        {
+            ctx[CpuRegister.Rax] = haystack;
+            return (int)OrbisGen2Result.ORBIS_GEN2_OK;
+        }
+
+        var matchIndex = haystackBytes.AsSpan().IndexOf(needleBytes.AsSpan());
+        ctx[CpuRegister.Rax] = matchIndex >= 0 ? haystack + (ulong)matchIndex : 0;
+        return (int)OrbisGen2Result.ORBIS_GEN2_OK;
+    }
+
     [SysAbiExport(
         Nid = "QrZZdJ8XsX0",
         ExportName = "fputs",
@@ -1683,6 +1891,30 @@ public static class KernelMemoryCompatExports
         return (int)OrbisGen2Result.ORBIS_GEN2_OK;
     }
 
+    [SysAbiExport(
+        Nid = "E6ao34wPw+U",
+        ExportName = "stat",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libKernel")]
+    public static int PosixStat(CpuContext ctx)
+    {
+        var result = KernelStat(ctx);
+        if (result == (int)OrbisGen2Result.ORBIS_GEN2_OK)
+        {
+            return 0;
+        }
+
+        var errno = result switch
+        {
+            (int)OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT => Einval,
+            (int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT => Efault,
+            _ => 2,
+        };
+        KernelRuntimeCompatExports.TrySetErrno(ctx, errno);
+        ctx[CpuRegister.Rax] = ulong.MaxValue;
+        return -1;
+    }
+
     [SysAbiExport(
         Nid = "gEpBkcwxUjw",
         ExportName = "sceKernelAprResolveFilepathsToIdsAndFileSizes",
@@ -3013,7 +3245,7 @@ public static class KernelMemoryCompatExports
 
     [SysAbiExport(
         Nid = "4h6F1LLbTiw",
-        ExportName = "sceKernelMapFlexibleMemoryInternal",
+        ExportName = "sceKernelMapNamedFlexibleMemoryInternal",
         Target = Generation.Gen4 | Generation.Gen5,
         LibraryName = "libKernel")]
     public static int KernelMapFlexibleMemoryInternal(CpuContext ctx)
@@ -3965,7 +4197,7 @@ public static class KernelMemoryCompatExports
                             _ => unchecked((int)argumentSource.NextGpArg())
                         };
 
-                        var formatted = value.ToString();
+                        var formatted = value.ToString(CultureInfo.InvariantCulture);
                         if (showSign && value >= 0)
                             formatted = "+" + formatted;
                         else if (spaceForSign && value >= 0)
@@ -3989,7 +4221,7 @@ public static class KernelMemoryCompatExports
                             _ => (uint)argumentSource.NextGpArg()
                         };
 
-                        var formatted = value.ToString();
+                        var formatted = value.ToString(CultureInfo.InvariantCulture);
                         sb.Append(PadString(formatted, width, leftAlign, padWithZero && !leftAlign));
                     }
                     break;
@@ -4010,8 +4242,8 @@ public static class KernelMemoryCompatExports
                         };
 
                         var formatted = specifier == 'x'
-                            ? value.ToString("x")
-                            : value.ToString("X");
+                            ? value.ToString("x", CultureInfo.InvariantCulture)
+                            : value.ToString("X", CultureInfo.InvariantCulture);
 
                         if (alternateForm && value != 0)
                             formatted = specifier == 'x' ? "0x" + formatted : "0X" + formatted;
@@ -4119,7 +4351,10 @@ public static class KernelMemoryCompatExports
                         var formatStr = precision >= 0
                             ? $"{{0:{specifier}{precision}}}"
                             : $"{{0:{specifier}}}";
-                        var formatted = string.Format(formatStr, value);
+                        var formatted = string.Format(
+                            CultureInfo.InvariantCulture,
+                            formatStr,
+                            value);
 
                         if (showSign && value >= 0)
                             formatted = "+" + formatted;

src/SharpEmu.Libs/Kernel/KernelPthreadCompatExports.cs

@@ -3,6 +3,7 @@
 
 using System.Collections.Concurrent;
 using SharpEmu.HLE;
+using SharpEmu.Libs.Fiber;
 using System.Diagnostics.CodeAnalysis;
 
 namespace SharpEmu.Libs.Kernel;
@@ -44,6 +45,8 @@ public static class KernelPthreadCompatExports
     // type initializer that first runs on a guest thread and fail-fasts the CLR.
     private static long _nextMutexWakeId;
     private static long _nextCondWakeId;
+    private static readonly ConcurrentDictionary<ulong, long> _posixTimedWaitCounts = new();
+    private static readonly ConcurrentDictionary<ulong, byte> _reportedContendedMutexes = new();
 
     private sealed class PthreadMutexState
     {
@@ -351,29 +354,95 @@ public static class KernelPthreadCompatExports
         LibraryName = "libKernel")]
     public static int PosixPthreadCondTimedwait(CpuContext ctx)
     {
-        // POSIX passes `const struct timespec *abstime` (absolute deadline), not relative microseconds (#113).
-        var abstimeAddress = ctx[CpuRegister.Rdx];
-        if (abstimeAddress == 0)
+        var absoluteTimeAddress = ctx[CpuRegister.Rdx];
+        if (absoluteTimeAddress == 0 ||
+            !ctx.TryReadUInt64(absoluteTimeAddress, out var secondsRaw) ||
+            !ctx.TryReadUInt64(absoluteTimeAddress + sizeof(ulong), out var nanosecondsRaw))
         {
-            return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT;
+            return ctx.SetReturn(OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT);
         }
 
-        if (!ctx.TryReadUInt64(abstimeAddress, out var deadlineSeconds) ||
-            !ctx.TryReadUInt64(abstimeAddress + 8, out var deadlineNanoseconds))
+        var deadlineSeconds = unchecked((long)secondsRaw);
+        var deadlineNanoseconds = unchecked((long)nanosecondsRaw);
+        if (deadlineSeconds < 0 || deadlineNanoseconds is < 0 or >= 1_000_000_000)
         {
-            return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT;
+            return ctx.SetReturn(OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT);
         }
 
-        var nowMicroseconds = DateTimeOffset.UtcNow.ToUnixTimeMilliseconds() * 1000L;
-        var deadlineMicroseconds =
-            deadlineSeconds >= long.MaxValue / 1_000_000UL
-                ? long.MaxValue
-                : (long)(deadlineSeconds * 1_000_000UL + Math.Min(deadlineNanoseconds, 999_999_999UL) / 1000UL);
-        var remainingMicroseconds = deadlineMicroseconds - nowMicroseconds;
-        var timeoutUsec = remainingMicroseconds <= 0
-            ? 1u
-            : (uint)Math.Min(remainingMicroseconds, uint.MaxValue);
-        return PthreadCondWaitCore(ctx, ctx[CpuRegister.Rdi], ctx[CpuRegister.Rsi], timed: true, timeoutUsec: timeoutUsec);
+        long nowSeconds;
+        long nowNanoseconds;
+        if (deadlineSeconds >= 1_000_000_000)
+        {
+            var now = DateTimeOffset.UtcNow;
+            nowSeconds = now.ToUnixTimeSeconds();
+            nowNanoseconds = (now.Ticks % TimeSpan.TicksPerSecond) * 100;
+        }
+        else
+        {
+            // Engine condition variables use monotonic deadlines.
+            KernelRuntimeCompatExports.GetProcessMonotonicTime(out nowSeconds, out nowNanoseconds);
+        }
+
+        var remainingNanoseconds =
+            ((Int128)deadlineSeconds * 1_000_000_000 + deadlineNanoseconds) -
+            ((Int128)nowSeconds * 1_000_000_000 + nowNanoseconds);
+        var timeoutUsec = remainingNanoseconds <= 0
+            ? 0u
+            : (uint)Int128.Min(uint.MaxValue, (remainingNanoseconds + 999) / 1_000);
+
+        TracePosixTimedWait(
+            ctx,
+            deadlineSeconds,
+            deadlineNanoseconds,
+            nowSeconds,
+            nowNanoseconds,
+            remainingNanoseconds,
+            timeoutUsec);
+
+        return PthreadCondWaitCore(
+            ctx,
+            ctx[CpuRegister.Rdi],
+            ctx[CpuRegister.Rsi],
+            timed: true,
+            timeoutUsec,
+            posixResult: true);
+    }
+
+    private static void TracePosixTimedWait(
+        CpuContext ctx,
+        long deadlineSeconds,
+        long deadlineNanoseconds,
+        long nowSeconds,
+        long nowNanoseconds,
+        Int128 remainingNanoseconds,
+        uint timeoutUsec)
+    {
+        var condAddress = ctx[CpuRegister.Rdi];
+        var count = _posixTimedWaitCounts.AddOrUpdate(condAddress, 1, static (_, current) => current + 1);
+        if (count != 1 && count % 1_000_000 != 0)
+        {
+            return;
+        }
+
+        _ = ctx.TryReadUInt64(ctx[CpuRegister.Rsp], out var returnRip);
+        Console.Error.WriteLine(
+            $"[LOADER][DIAG] pthread_cond_timedwait#{count}: thread=0x{KernelPthreadState.GetCurrentThreadHandle():X16} " +
+            $"cond=0x{condAddress:X16} mutex=0x{ctx[CpuRegister.Rsi]:X16} abstime=0x{ctx[CpuRegister.Rdx]:X16} " +
+            $"deadline={deadlineSeconds}.{deadlineNanoseconds:D9} now={nowSeconds}.{nowNanoseconds:D9} " +
+            $"remaining_ns={remainingNanoseconds} timeout_us={timeoutUsec} ret=0x{returnRip:X16}");
+
+        if (GuestThreadExecution.Scheduler is not { } scheduler)
+        {
+            return;
+        }
+
+        foreach (var snapshot in scheduler.SnapshotThreads())
+        {
+            Console.Error.WriteLine(
+                $"[LOADER][DIAG] guest_thread handle=0x{snapshot.ThreadHandle:X16} name='{snapshot.Name}' " +
+                $"state={snapshot.State} imports={snapshot.ImportCount} nid={snapshot.LastImportNid ?? "none"} " +
+                $"ret=0x{snapshot.LastReturnRip:X16} block={snapshot.BlockReason ?? "none"}");
+        }
     }
 
     [SysAbiExport(
@@ -654,11 +723,12 @@ public static class KernelPthreadCompatExports
         var acquired = state.Semaphore.Wait(0);
         if (!acquired)
         {
+            TraceContendedMutex(ctx, mutexAddress, resolvedAddress, state, currentThreadId);
             var waiter = new PthreadMutexWaiter { ThreadId = currentThreadId };
-            // Cooperative deschedule on a contended lock corrupts fiber state
-            // (Demon's Souls sceFiberSwitch -> ESRCH). Off by default: fall through to the
-            // synchronous host-thread wait below.
-            if (_enableMutexLockBlocking &&
+            // Fibers retain the synchronous fallback to preserve switch state.
+            var currentFiber = FiberExports.GetCurrentFiberAddressForDiagnostics(ctx);
+            var canCooperativelyBlock = _enableMutexLockBlocking || currentFiber == 0;
+            if (canCooperativelyBlock &&
                 !tryOnly &&
                 GuestThreadExecution.IsGuestThread &&
                 GuestThreadExecution.TryGetCurrentImportCallFrame(out _) &&
@@ -697,6 +767,53 @@ public static class KernelPthreadCompatExports
         return (int)OrbisGen2Result.ORBIS_GEN2_OK;
     }
 
+    private static void TraceContendedMutex(
+        CpuContext ctx,
+        ulong mutexAddress,
+        ulong resolvedAddress,
+        PthreadMutexState state,
+        ulong currentThreadId)
+    {
+        if (!_reportedContendedMutexes.TryAdd(resolvedAddress, 0))
+        {
+            return;
+        }
+
+        ulong ownerThreadId;
+        int recursionCount;
+        int type;
+        lock (state)
+        {
+            ownerThreadId = state.OwnerThreadId;
+            recursionCount = state.RecursionCount;
+            type = state.Type;
+        }
+
+        _ = ctx.TryReadUInt64(ctx[CpuRegister.Rsp], out var returnRip);
+        Console.Error.WriteLine(
+            $"[LOADER][DIAG] pthread_mutex_contended: waiter=0x{currentThreadId:X16} owner=0x{ownerThreadId:X16} " +
+            $"mutex=0x{mutexAddress:X16} resolved=0x{resolvedAddress:X16} recursion={recursionCount} " +
+            $"type={type} semaphore_count={state.Semaphore.CurrentCount} ret=0x{returnRip:X16}");
+
+        if (GuestThreadExecution.Scheduler is not { } scheduler)
+        {
+            return;
+        }
+
+        foreach (var snapshot in scheduler.SnapshotThreads())
+        {
+            if (snapshot.ThreadHandle != currentThreadId && snapshot.ThreadHandle != ownerThreadId)
+            {
+                continue;
+            }
+
+            Console.Error.WriteLine(
+                $"[LOADER][DIAG] pthread_mutex_party handle=0x{snapshot.ThreadHandle:X16} name='{snapshot.Name}' " +
+                $"state={snapshot.State} imports={snapshot.ImportCount} nid={snapshot.LastImportNid ?? "none"} " +
+                $"ret=0x{snapshot.LastReturnRip:X16} block={snapshot.BlockReason ?? "none"}");
+        }
+    }
+
     private static int PthreadMutexUnlockCore(CpuContext ctx, ulong mutexAddress, bool requireOwner)
     {
         if (mutexAddress == 0)
@@ -1076,6 +1193,13 @@ public static class KernelPthreadCompatExports
 
         lock (_stateGate)
         {
+            if (_condStates.TryGetValue(condAddress, out var raced))
+            {
+                resolvedAddress = condAddress;
+                state = raced;
+                return true;
+            }
+
             _condStates[condAddress] = createdState;
             _condStates[handle] = createdState;
         }
@@ -1172,7 +1296,13 @@ public static class KernelPthreadCompatExports
         return (int)OrbisGen2Result.ORBIS_GEN2_OK;
     }
 
-    private static int PthreadCondWaitCore(CpuContext ctx, ulong condAddress, ulong mutexAddress, bool timed, uint timeoutUsec = 0)
+    private static int PthreadCondWaitCore(
+        CpuContext ctx,
+        ulong condAddress,
+        ulong mutexAddress,
+        bool timed,
+        uint timeoutUsec = 0,
+        bool posixResult = false)
     {
         if (condAddress == 0 || mutexAddress == 0)
         {
@@ -1210,9 +1340,10 @@ public static class KernelPthreadCompatExports
 
             if (consumedPendingSignal)
             {
-                // Leave SyncRoot before relocking the mutex to avoid lock-order inversion with cond-signal (#113).
                 state.Waiters = Math.Max(0, state.Waiters - 1);
                 TracePthreadCond("wait-wake-pending", condAddress, mutexAddress, state, timed, waitResult);
+
+                // Relock outside SyncRoot to preserve lock ordering.
                 Monitor.Exit(state.SyncRoot);
                 try
                 {
@@ -1221,6 +1352,7 @@ public static class KernelPthreadCompatExports
                 }
                 finally
                 {
+                    // Balance the surrounding lock statement.
                     Monitor.Enter(state.SyncRoot);
                 }
             }
@@ -1231,7 +1363,7 @@ public static class KernelPthreadCompatExports
                     ctx,
                     timed ? "pthread_cond_timedwait" : "pthread_cond_wait",
                     state.WakeKey,
-                    () => ResumePthreadCondWait(ctx, condAddress, mutexAddress, state, observedEpoch, timed, releasedRecursion),
+                    () => ResumePthreadCondWait(ctx, condAddress, mutexAddress, state, observedEpoch, timed, releasedRecursion, posixResult),
                     () => state.SignalEpoch != observedEpoch,
                     timed ? GuestThreadExecution.ComputeDeadlineTimestamp(GetCondWaitTimeout(timeoutUsec)) : 0))
             {
@@ -1315,7 +1447,7 @@ public static class KernelPthreadCompatExports
             state,
             timed,
             waitResult);
-        return waitResult;
+        return TranslatePthreadResult(waitResult, posixResult);
     }
 
     private static int PthreadCondSignalCore(CpuContext ctx, ulong condAddress, bool broadcast)
@@ -1372,7 +1504,8 @@ public static class KernelPthreadCompatExports
         PthreadCondState state,
         ulong observedEpoch,
         bool timed,
-        int releasedRecursion)
+        int releasedRecursion,
+        bool posixResult)
     {
         var waitResult = (int)OrbisGen2Result.ORBIS_GEN2_OK;
         lock (state.SyncRoot)
@@ -1393,7 +1526,32 @@ public static class KernelPthreadCompatExports
         }
 
         var lockResult = PthreadMutexRelockForCondWait(ctx, mutexAddress, releasedRecursion);
-        return lockResult == (int)OrbisGen2Result.ORBIS_GEN2_OK ? waitResult : lockResult;
+        return TranslatePthreadResult(
+            lockResult == (int)OrbisGen2Result.ORBIS_GEN2_OK ? waitResult : lockResult,
+            posixResult);
+    }
+
+    private static int TranslatePthreadResult(int result, bool posixResult)
+    {
+        if (!posixResult || result == (int)OrbisGen2Result.ORBIS_GEN2_OK)
+        {
+            return result;
+        }
+
+        return result switch
+        {
+            (int)OrbisGen2Result.ORBIS_GEN2_ERROR_PERMISSION_DENIED => 1, // EPERM
+            (int)OrbisGen2Result.ORBIS_GEN2_ERROR_NOT_FOUND => 2,        // ENOENT
+            (int)OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT => 22, // EINVAL
+            (int)OrbisGen2Result.ORBIS_GEN2_ERROR_DEADLOCK => 11,        // EDEADLK
+            (int)OrbisGen2Result.ORBIS_GEN2_ERROR_DELETED => 13,         // EACCES
+            (int)OrbisGen2Result.ORBIS_GEN2_ERROR_BUSY => 16,            // EBUSY
+            (int)OrbisGen2Result.ORBIS_GEN2_ERROR_TRY_AGAIN => 35,       // EAGAIN
+            (int)OrbisGen2Result.ORBIS_GEN2_ERROR_TIMED_OUT => 60,       // ETIMEDOUT
+            (int)OrbisGen2Result.ORBIS_GEN2_ERROR_CANCELED => 85,        // ECANCELED
+            (int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT => 14,    // EFAULT
+            _ => result
+        };
     }
 
     private static string GetCondWakeKey(ulong resolvedCondAddress) =>
@@ -1559,7 +1717,10 @@ public static class KernelPthreadCompatExports
             return TimeSpan.Zero;
         }
 
-        return TimeSpan.FromTicks((long)timeoutUsec * 10L);
+        // Round positive sub-millisecond waits to the host sleep quantum.
+        return timeoutUsec < 1_000
+            ? TimeSpan.FromMilliseconds(1)
+            : TimeSpan.FromTicks((long)timeoutUsec * 10L);
     }
 
     private static TimeSpan GetCondSpuriousWakeTimeout()
@@ -1701,7 +1862,8 @@ public static class KernelPthreadCompatExports
         }
 
         Console.Error.WriteLine(
-            $"[LOADER][TRACE] pthread_cond_{operation}: cond=0x{condAddress:X16} mutex=0x{mutexAddress:X16} " +
+            $"[LOADER][TRACE] pthread_cond_{operation}: thread=0x{KernelPthreadState.GetCurrentThreadHandle():X16} " +
+            $"cond=0x{condAddress:X16} key={state?.WakeKey ?? "none"} mutex=0x{mutexAddress:X16} " +
             $"waiters={(state?.Waiters ?? 0)} epoch=0x{(state?.SignalEpoch ?? 0):X} timed={timed} result=0x{unchecked((uint)result):X8}");
     }
 

src/SharpEmu.Libs/Kernel/KernelRuntimeCompatExports.cs

@@ -213,6 +213,13 @@ public static class KernelRuntimeCompatExports
         return (int)OrbisGen2Result.ORBIS_GEN2_OK;
     }
 
+    [SysAbiExport(
+        Nid = "QcteRwbsnV0",
+        ExportName = "usleep",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libKernel")]
+    public static int PosixUsleep(CpuContext ctx) => KernelUsleep(ctx);
+
     private static void TraceUsleepSpin(CpuContext ctx, ulong micros)
     {
         if (!_traceUsleep)
@@ -424,6 +431,18 @@ public static class KernelRuntimeCompatExports
         return (int)OrbisGen2Result.ORBIS_GEN2_OK;
     }
 
+    [SysAbiExport(
+        Nid = "HoLVWNanBBc",
+        ExportName = "getpid",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libKernel")]
+    public static int GetProcessId(CpuContext ctx)
+    {
+        var processId = Environment.ProcessId;
+        ctx[CpuRegister.Rax] = unchecked((uint)processId);
+        return processId;
+    }
+
     [SysAbiExport(
         Nid = "fgxnMeTNUtY",
         ExportName = "sceKernelGetProcessTimeCounter",

src/SharpEmu.Libs/LibcInternalExports.cs

@@ -19,7 +19,7 @@ public static class LibcInternalExports
 
     [SysAbiExport(
         Nid = "NWtTN10cJzE",
-        ExportName = "LibcHeapGetTraceInfo",
+        ExportName = "sceLibcHeapGetTraceInfo",
         Target = Generation.Gen4 | Generation.Gen5,
         LibraryName = "LibcInternalExt")]
     public static int LibcHeapGetTraceInfo(CpuContext ctx)

src/SharpEmu.Libs/Ngs2/Ngs2Exports.cs

@@ -237,6 +237,27 @@ public static class Ngs2Exports
         LibraryName = "libSceNgs2")]
     public static int Ngs2PanInit(CpuContext ctx) => ctx.SetReturn(0);
 
+    [SysAbiExport(
+        Nid = "1WsleK-MTkE",
+        ExportName = "sceNgs2GeomCalcListener",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libSceNgs2")]
+    public static int Ngs2GeomCalcListener(CpuContext ctx) => ctx.SetReturn(0);
+
+    [SysAbiExport(
+        Nid = "0lbbayqDNoE",
+        ExportName = "sceNgs2GeomResetSourceParam",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libSceNgs2")]
+    public static int Ngs2GeomResetSourceParam(CpuContext ctx) => ctx.SetReturn(0);
+
+    [SysAbiExport(
+        Nid = "7Lcfo8SmpsU",
+        ExportName = "sceNgs2GeomResetListenerParam",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libSceNgs2")]
+    public static int Ngs2GeomResetListenerParam(CpuContext ctx) => ctx.SetReturn(0);
+
     [SysAbiExport(
         Nid = "i0VnXM-C9fc",
         ExportName = "sceNgs2SystemRender",

src/SharpEmu.Libs/Np/NpManagerExports.cs

@@ -53,8 +53,19 @@ public static class NpManagerExports
         LibraryName = "libSceNpManager")]
     public static int NpGetOnlineId(CpuContext ctx)
     {
-        ctx[CpuRegister.Rax] = 0;
-        return (int)OrbisGen2Result.ORBIS_GEN2_OK;
+        // Gen5 ABI: user ID, then output structure.
+        return WriteOfflineOnlineId(ctx, ctx[CpuRegister.Rsi]);
+    }
+
+    [SysAbiExport(
+        Nid = "rbknaUjpqWo",
+        ExportName = "sceNpGetOnlineIdA",
+        Target = Generation.Gen5,
+        LibraryName = "libSceNpManager")]
+    public static int NpGetOnlineIdA(CpuContext ctx)
+    {
+        // The A variant takes a user ID before OnlineId.
+        return WriteOfflineOnlineId(ctx, ctx[CpuRegister.Rsi]);
     }
 
     [SysAbiExport(
@@ -169,4 +180,19 @@ public static class NpManagerExports
 
         Console.Error.WriteLine($"[LOADER][TRACE] np.{message}");
     }
+
+    private static int WriteOfflineOnlineId(CpuContext ctx, ulong address)
+    {
+        if (address == 0)
+        {
+            return ctx.SetReturn(OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT);
+        }
+
+        // SceNpOnlineId is a 16-byte handle plus four trailing bytes.
+        Span<byte> onlineId = stackalloc byte[20];
+        "Player"u8.CopyTo(onlineId);
+        return ctx.Memory.TryWrite(address, onlineId)
+            ? ctx.SetReturn(OrbisGen2Result.ORBIS_GEN2_OK)
+            : ctx.SetReturn(OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT);
+    }
 }

src/SharpEmu.Libs/Np/NpWebApi2Exports.cs

@@ -31,6 +31,18 @@ public static class NpWebApi2Exports
         return ctx.SetReturn(0);
     }
 
+    [SysAbiExport(
+        Nid = "WV1GwM32NgY",
+        ExportName = "sceNpWebApi2InitializeForToolkit",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libSceNpWebApi2")]
+    public static int NpWebApi2InitializeAlt(CpuContext ctx)
+    {
+        Interlocked.Exchange(ref _initialized, 1);
+        TraceNpWebApi2("init-alt", unchecked((int)ctx[CpuRegister.Rdi]), ctx[CpuRegister.Rsi]);
+        return ctx.SetReturn(0);
+    }
+
     [SysAbiExport(
         Nid = "bEvXpcEk200",
         ExportName = "sceNpWebApi2Terminate",

src/SharpEmu.Libs/Pad/PadExports.cs

@@ -14,13 +14,21 @@ public static class PadExports
     private const int OrbisPadErrorNotInitialized = unchecked((int)0x80920005);
     private const int OrbisPadErrorDeviceNotConnected = unchecked((int)0x80920007);
     private const int OrbisPadErrorDeviceNoHandle = unchecked((int)0x80920008);
-    private const int PrimaryUserId = 1;
+    private const int PrimaryUserId = 1000;
     private const int StandardPortType = 0;
     private const int PrimaryPadHandle = 1;
     private const int ControllerInformationSize = 0x1C;
     private const int PadDataSize = 0x78;
+    private static readonly long InputSampleIntervalTicks = Math.Max(1, Stopwatch.Frequency / 1000);
+
+    [ThreadStatic]
+    private static long _lastInputSampleTicks;
+
+    [ThreadStatic]
+    private static PadState _cachedInputState;
 
     private static bool _initialized;
+    private static int _controlsAnnouncementLogged;
 
     [SysAbiExport(
         Nid = "hv1luiJrqQM",
@@ -63,11 +71,15 @@ public static class PadExports
 
         DualSenseReader.EnsureStarted();
         XInputReader.EnsureStarted();
-        Console.Error.WriteLine(DualSenseReader.TryGetState(out _)
-            ? "[LOADER][INFO] Controls: DualSense connected (keyboard fallback also active)."
-            : XInputReader.TryGetState(out _)
-                ? "[LOADER][INFO] Controls: Xbox controller connected (keyboard fallback also active)."
-                : "[LOADER][INFO] Keyboard controls: Arrow keys = D-pad, WASD = left stick, IJKL = right stick, Z/Enter = Cross, X/Esc = Circle, C = Square, V = Triangle, Q = L1, E = R1, R = L2, F = R2, Tab/Backspace = Options. A DualSense or Xbox controller will be used automatically when plugged in.");
+        if (Interlocked.Exchange(ref _controlsAnnouncementLogged, 1) == 0)
+        {
+            Console.Error.WriteLine(DualSenseReader.TryGetState(out _)
+                ? "[LOADER][INFO] Controls: DualSense connected (keyboard fallback also active)."
+                : XInputReader.TryGetState(out _)
+                    ? "[LOADER][INFO] Controls: Xbox controller connected (keyboard fallback also active)."
+                    : "[LOADER][INFO] Keyboard controls: Arrow keys = D-pad, WASD = left stick, IJKL = right stick, Z/Enter = Cross, X/Esc = Circle, C = Square, V = Triangle, Q = L1, E = R1, R = L2, F = R2, Tab/Backspace = Options. A DualSense or Xbox controller will be used automatically when plugged in.");
+        }
+
         return ctx.SetReturn(PrimaryPadHandle);
     }
 
@@ -185,9 +197,43 @@ public static class PadExports
         LibraryName = "libScePad")]
     public static int PadSetTriggerEffect(CpuContext ctx)
     {
+        var handle = unchecked((int)ctx[CpuRegister.Rdi]);
+        var parameterAddress = ctx[CpuRegister.Rsi];
+        if (handle != PrimaryPadHandle)
+        {
+            return ctx.SetReturn(OrbisPadErrorInvalidHandle);
+        }
+
+        if (parameterAddress == 0)
+        {
+            return ctx.SetReturn((int)OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT);
+        }
+
+        Span<byte> parameter = stackalloc byte[120];
+        if (!ctx.Memory.TryRead(parameterAddress, parameter))
+        {
+            return ctx.SetReturn((int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT);
+        }
+
+        var triggerMask = parameter[0];
+        XInputReader.SetTriggerRumble(
+            (triggerMask & 0x01) != 0 ? DecodeTriggerVibration(parameter[8..64]) : null,
+            (triggerMask & 0x02) != 0 ? DecodeTriggerVibration(parameter[64..120]) : null);
         return ctx.SetReturn((int)OrbisGen2Result.ORBIS_GEN2_OK);
     }
 
+    private static byte DecodeTriggerVibration(ReadOnlySpan<byte> command)
+    {
+        var mode = BinaryPrimitives.ReadUInt32LittleEndian(command);
+        var amplitude = mode switch
+        {
+            3 when command[10] != 0 => command[9],
+            6 when command[8] != 0 => command[9..19].ToArray().Max(),
+            _ => (byte)0,
+        };
+        return (byte)(Math.Min(amplitude, (byte)8) * 255 / 8);
+    }
+
     [SysAbiExport(
         Nid = "yFVnOdGxvZY",
         ExportName = "scePadSetVibration",
@@ -270,6 +316,44 @@ public static class PadExports
     {
         Span<byte> data = stackalloc byte[PadDataSize];
         data.Clear();
+        var input = ReadHostInputState();
+        var buttons = input.Buttons;
+        var leftX = input.LeftX;
+        var leftY = input.LeftY;
+        var rightX = input.RightX;
+        var rightY = input.RightY;
+        var l2 = input.L2;
+        var r2 = input.R2;
+
+        BinaryPrimitives.WriteUInt32LittleEndian(data[0x00..], buttons);
+        data[0x04] = leftX;
+        data[0x05] = leftY;
+        data[0x06] = rightX;
+        data[0x07] = rightY;
+        data[0x08] = l2;
+        data[0x09] = r2;
+        BinaryPrimitives.WriteSingleLittleEndian(data[0x18..], 1.0f);
+        data[0x4C] = 1;
+        var timestampTicks = Stopwatch.GetTimestamp();
+        var timestampMicroseconds =
+            ((ulong)(timestampTicks / Stopwatch.Frequency) * 1_000_000UL) +
+            ((ulong)(timestampTicks % Stopwatch.Frequency) * 1_000_000UL / (ulong)Stopwatch.Frequency);
+        BinaryPrimitives.WriteUInt64LittleEndian(
+            data[0x50..],
+            timestampMicroseconds);
+        data[0x68] = 1;
+
+        return ctx.Memory.TryWrite(dataAddress, data);
+    }
+
+    private static PadState ReadHostInputState()
+    {
+        var now = Stopwatch.GetTimestamp();
+        if (_lastInputSampleTicks != 0 && now - _lastInputSampleTicks < InputSampleIntervalTicks)
+        {
+            return _cachedInputState;
+        }
+
         var acceptsKeyboardInput = IsEmulatorWindowFocused();
         var buttons = acceptsKeyboardInput ? ReadKeyboardButtons() : 0;
         var leftX = acceptsKeyboardInput ? ReadAnalogStick(IsKeyDown(0x41), IsKeyDown(0x44)) : (byte)128;
@@ -303,25 +387,17 @@ public static class PadExports
             r2 = Math.Max(r2, xpad.R2);
         }
 
-        BinaryPrimitives.WriteUInt32LittleEndian(data[0x00..], buttons);
-        data[0x04] = leftX;
-        data[0x05] = leftY;
-        data[0x06] = rightX;
-        data[0x07] = rightY;
-        data[0x08] = l2;
-        data[0x09] = r2;
-        BinaryPrimitives.WriteSingleLittleEndian(data[0x18..], 1.0f);
-        data[0x4C] = 1;
-        var timestampTicks = Stopwatch.GetTimestamp();
-        var timestampMicroseconds =
-            ((ulong)(timestampTicks / Stopwatch.Frequency) * 1_000_000UL) +
-            ((ulong)(timestampTicks % Stopwatch.Frequency) * 1_000_000UL / (ulong)Stopwatch.Frequency);
-        BinaryPrimitives.WriteUInt64LittleEndian(
-            data[0x50..],
-            timestampMicroseconds);
-        data[0x68] = 1;
-
-        return ctx.Memory.TryWrite(dataAddress, data);
+        _cachedInputState = new PadState(
+            Connected: true,
+            Buttons: buttons,
+            LeftX: leftX,
+            LeftY: leftY,
+            RightX: rightX,
+            RightY: rightY,
+            L2: l2,
+            R2: r2);
+        _lastInputSampleTicks = now;
+        return _cachedInputState;
     }
 
     [DllImport("user32.dll")]

src/SharpEmu.Libs/Pad/XInputReader.cs

@@ -39,6 +39,8 @@ internal static class XInputReader
     private static int _slot = -1; // connected XInput user index, -1 when none
     private static byte _motorLeft;
     private static byte _motorRight;
+    private static byte _triggerLeft;
+    private static byte _triggerRight;
 
     /// <summary>Starts the background reader once; safe to call repeatedly.</summary>
     internal static void EnsureStarted()
@@ -99,6 +101,31 @@ internal static class XInputReader
         }
     }
 
+    /// <summary>Approximates per-trigger vibration on the two XInput body motors.</summary>
+    internal static void SetTriggerRumble(byte? leftTrigger, byte? rightTrigger)
+    {
+        lock (Gate)
+        {
+            var changed = false;
+            if (leftTrigger is { } left)
+            {
+                changed |= _triggerLeft != left;
+                _triggerLeft = left;
+            }
+
+            if (rightTrigger is { } right)
+            {
+                changed |= _triggerRight != right;
+                _triggerRight = right;
+            }
+
+            if (changed)
+            {
+                SendRumbleLocked();
+            }
+        }
+    }
+
     private static void SendRumbleLocked()
     {
         if (_slot < 0)
@@ -108,8 +135,8 @@ internal static class XInputReader
 
         var vibration = new XInputVibration
         {
-            LeftMotorSpeed = (ushort)(_motorLeft * 257),   // 0..255 -> 0..65535
-            RightMotorSpeed = (ushort)(_motorRight * 257),
+            LeftMotorSpeed = (ushort)(Math.Max(_motorLeft, _triggerLeft) * 257),
+            RightMotorSpeed = (ushort)(Math.Max(_motorRight, _triggerRight) * 257),
         };
         _ = XInputSetState((uint)_slot, ref vibration);
     }
@@ -147,6 +174,8 @@ internal static class XInputReader
                     _slot = -1;
                     _motorLeft = 0;
                     _motorRight = 0;
+                    _triggerLeft = 0;
+                    _triggerRight = 0;
                     _state = default;
                 }
 

src/SharpEmu.Libs/PlayGo/PlayGoExports.cs

@@ -682,7 +682,9 @@ public static class PlayGoExports
         var hasMetadata = File.Exists(playGoDat) || File.Exists(scenarioJson) || File.Exists(chunkDefsXml);
         if (!hasMetadata)
         {
-            return PlayGoMetadata.Empty;
+            // Full installs may omit PlayGo sidecar metadata.
+            TracePlayGo("metadata_missing; using fully-installed default chunk");
+            return new PlayGoMetadata(true, [(ushort)0]);
         }
 
         var chunkIds = LoadChunkIds(chunkDefsXml);

src/SharpEmu.Libs/SaveData/SaveDataExports.cs

@@ -30,13 +30,17 @@ public static class SaveDataExports
     private const uint MountModeCreate2 = 1u << 5;
     private const int MountResultSize = 0x40;
     private static readonly object _stateGate = new();
+    private static readonly HashSet<int> _transactionResources = [];
     private static string? _titleId;
+    private static int _nextTransactionResource;
 
     public static void ConfigureApplicationInfo(string? titleId)
     {
         lock (_stateGate)
         {
             _titleId = string.IsNullOrWhiteSpace(titleId) ? null : SanitizePathSegment(titleId.Trim());
+            _transactionResources.Clear();
+            _nextTransactionResource = 0;
         }
     }
 
@@ -244,7 +248,6 @@ public static class SaveDataExports
         }
     }
 
-    private static int _nextTransactionResource;
     [SysAbiExport(
         Nid = "gjRZNnw0JPE",
         ExportName = "sceSaveDataCreateTransactionResource",
@@ -252,25 +255,32 @@ public static class SaveDataExports
         LibraryName = "libSceSaveData")]
     public static int SaveDataCreateTransactionResource(CpuContext ctx)
     {
-        var userId = unchecked((int)ctx[CpuRegister.Rdi]);
-        var reserved = ctx[CpuRegister.Rsi];
-        var resourceAddress = ctx[CpuRegister.Rdx];
-
-        if (resourceAddress == 0)
+        var memorySize = ctx[CpuRegister.Rdi];
+        int resource;
+        lock (_stateGate)
         {
-            return ctx.SetReturn(OrbisSaveDataErrorParameter);
+            resource = ++_nextTransactionResource;
+            _transactionResources.Add(resource);
         }
 
-        var id = (uint)Interlocked.Increment(ref _nextTransactionResource);
+        TraceSaveData($"create_transaction_resource memory_size=0x{memorySize:X} resource={resource}");
+        return ctx.SetReturn(resource);
+    }
 
-        if (!ctx.TryWriteUInt32(resourceAddress, id))
+    [SysAbiExport(
+        Nid = "lJUQuaKqoKY",
+        ExportName = "sceSaveDataDeleteTransactionResource",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libSceSaveData")]
+    public static int SaveDataDeleteTransactionResource(CpuContext ctx)
+    {
+        var resource = unchecked((int)ctx[CpuRegister.Rdi]);
+        lock (_stateGate)
         {
-            return ctx.SetReturn((int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT);
+            _transactionResources.Remove(resource);
         }
 
-        TraceSaveData(
-            $"create_transaction_resource user={userId} reserved=0x{reserved:X} resource_addr=0x{resourceAddress:X} id={id}");
-
+        TraceSaveData($"delete_transaction_resource resource={resource}");
         return ctx.SetReturn(0);
     }
 

src/SharpEmu.Libs/UserService/UserServiceExports.cs

@@ -13,7 +13,8 @@ public static class UserServiceExports
     private const int OrbisUserServiceErrorNoEvent = unchecked((int)0x80960007);
     private const int OrbisUserServiceErrorInvalidParameter = unchecked((int)0x80960009);
     private const int OrbisUserServiceErrorBufferTooShort = unchecked((int)0x8096000A);
-    private const int PrimaryUserId = 1;
+    // Retail user-service IDs begin at 0x3E8.
+    private const int PrimaryUserId = 1000;
     private const int InvalidUserId = -1;
     private const string PrimaryUserName = "SharpEmu";
     private static int _loginEventDelivered;
@@ -111,7 +112,8 @@ public static class UserServiceExports
         var userId = unchecked((int)ctx[CpuRegister.Rdi]);
         var nameAddress = ctx[CpuRegister.Rsi];
         var capacity = ctx[CpuRegister.Rdx];
-        if (userId != PrimaryUserId)
+        // Zero selects the current user.
+        if (userId != 0 && userId != PrimaryUserId)
         {
             return ctx.SetReturn(OrbisUserServiceErrorInvalidParameter);
         }
@@ -137,6 +139,28 @@ public static class UserServiceExports
         return ctx.SetReturn(result);
     }
 
+    [SysAbiExport(
+        Nid = "-sD02mFDBh4",
+        ExportName = "sceUserServiceGetGamePresets",
+        Target = Generation.Gen5,
+        LibraryName = "libSceUserService")]
+    public static int UserServiceGetGamePresets(CpuContext ctx)
+    {
+        // Return deterministic defaults for the offline profile.
+        var userId = unchecked((int)ctx[CpuRegister.Rdi]);
+        var resultAddress = ctx[CpuRegister.Rcx];
+        Span<byte> defaults = stackalloc byte[0x18];
+        if (resultAddress == 0 || !ctx.Memory.TryWrite(resultAddress, defaults))
+        {
+            return ctx.SetReturn(OrbisUserServiceErrorInvalidArgument);
+        }
+
+        TraceUserService(
+            $"get_game_presets user={userId} title=0x{ctx[CpuRegister.Rsi]:X16} " +
+            $"key=0x{ctx[CpuRegister.R9]:X} out=0x{resultAddress:X16} result=0x00000000");
+        return ctx.SetReturn(0);
+    }
+
     [SysAbiExport(
         Nid = "D-CzAxQL0XI",
         ExportName = "sceUserServiceGetPlatformPrivacySetting",

src/SharpEmu.Libs/VideoOut/VideoOutExports.cs

@@ -2,6 +2,7 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 
 using SharpEmu.HLE;
+using SharpEmu.Libs.Audio;
 using SharpEmu.Libs.Kernel;
 using SharpEmu.Logging;
 using System.Buffers.Binary;
@@ -48,54 +49,161 @@ public static class VideoOutExports
     private static readonly Dictionary<int, VideoOutPortState> _ports = new();
 
     // Hardware raises vblank autonomously; UE blocks its frame loop on it.
-    private static Timer? _vblankPumpTimer;
-    private static int _vblankPumpActive;
-    private const int VblankPumpIntervalMs = 16;
+    private const double VblankHz = 60.0;
+    private const int VblankWaitTimeoutMilliseconds = 100;
+    private static Thread? _vblankPumpThread;
+    private static int _vblankPumpStarted;
+    private static volatile int _vblankPumpStopRequested;
+    private static volatile int _presentationWindowCloseNotified;
+
+    private static readonly object _vblankEdgeGate = new();
+    private static ulong _vblankEdgeSequence;
+    private static long _vblankMissedEdges;
 
     private static void EnsureVblankPumpStarted()
     {
-        if (_vblankPumpTimer is not null)
+        if (Interlocked.Exchange(ref _vblankPumpStarted, 1) != 0)
         {
             return;
         }
 
-        _vblankPumpTimer = new Timer(
-            static _ => PumpVblanks(),
-            null,
-            VblankPumpIntervalMs,
-            VblankPumpIntervalMs);
+        HostTimerResolution.Request();
+
+        _vblankPumpThread = new Thread(VblankPumpLoop)
+        {
+            IsBackground = true,
+            Name = "SharpEmu VideoOut vblank",
+            Priority = ThreadPriority.AboveNormal,
+        };
+        _vblankPumpThread.Start();
+    }
+
+    private static void VblankPumpLoop()
+    {
+        var intervalTicks = Math.Max(1L, (long)(Stopwatch.Frequency / VblankHz));
+        var nextEdge = Stopwatch.GetTimestamp() + intervalTicks;
+
+        while (_vblankPumpStopRequested == 0)
+        {
+            WaitUntilTimestamp(nextEdge);
+            PumpVblanks();
+
+            nextEdge += intervalTicks;
+
+            var now = Stopwatch.GetTimestamp();
+            if (nextEdge < now)
+            {
+                var missed = (now - nextEdge) / intervalTicks + 1;
+                Interlocked.Add(ref _vblankMissedEdges, missed);
+                nextEdge = now + intervalTicks;
+            }
+        }
+    }
+
+    public static void NotifyPresentationWindowClosed()
+    {
+        if (Interlocked.Exchange(ref _presentationWindowCloseNotified, 1) != 0)
+        {
+            return;
+        }
+
+        Console.Error.WriteLine("[LOADER][INFO] VideoOut presentation window closed");
+        RequestHostShutdown("videoout-window-closed");
+    }
+
+    public static void NotifyHostInterrupt()
+    {
+        if (Interlocked.Exchange(ref _presentationWindowCloseNotified, 1) != 0)
+        {
+            return;
+        }
+
+        Console.Error.WriteLine("[LOADER][INFO] Host interrupt requested");
+        RequestHostShutdown("host-interrupt");
+    }
+
+    private static void RequestHostShutdown(string reason)
+    {
+        AudioOutExports.ShutdownAllPorts();
+        StopVblankPump();
+        HostSessionControl.RequestShutdown(reason);
+        ScheduleProcessExitIfGuestDoesNotStop();
+    }
+
+    private static void ScheduleProcessExitIfGuestDoesNotStop()
+    {
+        ThreadPool.QueueUserWorkItem(static _ =>
+        {
+            Thread.Sleep(2000);
+            Environment.Exit(0);
+        });
+    }
+
+    public static void StopVblankPump()
+    {
+        if (Interlocked.Exchange(ref _vblankPumpStopRequested, 1) != 0)
+        {
+            return;
+        }
+
+        var thread = _vblankPumpThread;
+        if (thread is { IsAlive: true })
+        {
+            thread.Join(TimeSpan.FromSeconds(2));
+        }
+    }
+
+    private static void WaitUntilTimestamp(long deadlineTicks)
+    {
+        var spinThresholdTicks = Stopwatch.Frequency * 2L / 1000L;
+
+        while (true)
+        {
+            var remaining = deadlineTicks - Stopwatch.GetTimestamp();
+            if (remaining <= 0)
+            {
+                return;
+            }
+
+            if (remaining > spinThresholdTicks)
+            {
+                var sleepMilliseconds =
+                    (int)((remaining - spinThresholdTicks) * 1000L / Stopwatch.Frequency);
+                if (sleepMilliseconds > 0)
+                {
+                    Thread.Sleep(sleepMilliseconds);
+                    continue;
+                }
+            }
+
+            Thread.SpinWait(64);
+        }
     }
 
     private static void PumpVblanks()
     {
-        if (Interlocked.Exchange(ref _vblankPumpActive, 1) != 0)
+        lock (_vblankEdgeGate)
         {
-            return;
+            _vblankEdgeSequence++;
+            Monitor.PulseAll(_vblankEdgeGate);
         }
 
-        try
+        VideoOutPortState[] ports;
+        lock (_stateGate)
         {
-            VideoOutPortState[] ports;
-            lock (_stateGate)
+            if (_ports.Count == 0)
             {
-                if (_ports.Count == 0)
-                {
-                    return;
-                }
-
-                // Signalling reaches WakeBlockedThreads -> Pump(), which serialises on one global
-                // flag. Waking an unwatched queue would hold it 60x/sec and starve guest threads.
-                ports = _ports.Values.Where(static port => port.VblankEvents.Count != 0).ToArray();
+                return;
             }
 
-            foreach (var port in ports)
-            {
-                SignalVblank(port);
-            }
+            // Signalling reaches WakeBlockedThreads -> Pump(), which serialises on one global
+            // flag. Waking an unwatched queue would hold it 60x/sec and starve guest threads.
+            ports = _ports.Values.Where(static port => port.VblankEvents.Count != 0).ToArray();
         }
-        finally
+
+        foreach (var port in ports)
         {
-            Volatile.Write(ref _vblankPumpActive, 0);
+            SignalVblank(port);
         }
     }
 
@@ -103,6 +211,7 @@ public static class VideoOutExports
     private static int _nextHandle = 1;
     private static int _frameDumpCount;
     private static long _nextFrameDumpIndex;
+    private static string _windowTitleBase = "SharpEmu VideoOut";
     private static string _windowTitle = "SharpEmu VideoOut";
     private static readonly bool _logFrameRate = string.Equals(
         Environment.GetEnvironmentVariable("SHARPEMU_LOG_VIDEOOUT_FPS"),
@@ -112,6 +221,10 @@ public static class VideoOutExports
         Environment.GetEnvironmentVariable("SHARPEMU_LOG_VIDEOOUT_SYNC"),
         "1",
         StringComparison.Ordinal);
+    private static readonly bool _dumpVideoOut = string.Equals(
+        Environment.GetEnvironmentVariable("SHARPEMU_DUMP_VIDEOOUT"),
+        "1",
+        StringComparison.Ordinal);
     private static long _frameRateWindowStart = Stopwatch.GetTimestamp();
     private static long _submittedFrameCount;
     private static long _presentedFrameCount;
@@ -134,10 +247,24 @@ public static class VideoOutExports
         var application = parts.Count == 0 ? "VideoOut" : string.Join(' ', parts);
         var versionSuffix = string.IsNullOrWhiteSpace(version) ? string.Empty : $" v{version.Trim()}";
         var commitSuffix = string.IsNullOrWhiteSpace(emulatorCommitSha) ? string.Empty : $" \u00b7 {emulatorCommitSha.Trim()}";
-        var hardwareSuffix = $" \u00b7 {HostSystemInfo.CpuName} \u00b7 {HostSystemInfo.GpuName}";
+        var hardwareSuffix = $" \u00b7 {HostSystemInfo.CpuName}";
         lock (_stateGate)
         {
-            _windowTitle = $"SharpEmu{commitSuffix} - {application}{versionSuffix}{hardwareSuffix}";
+            _windowTitleBase = $"SharpEmu{commitSuffix} - {application}{versionSuffix}{hardwareSuffix}";
+            _windowTitle = $"{_windowTitleBase} \u00b7 {HostSystemInfo.GpuName}";
+        }
+    }
+
+    internal static void SetSelectedGpuName(string gpuName)
+    {
+        if (string.IsNullOrWhiteSpace(gpuName))
+        {
+            return;
+        }
+
+        lock (_stateGate)
+        {
+            _windowTitle = $"{_windowTitleBase} \u00b7 {gpuName.Trim()}";
         }
     }
 
@@ -376,7 +503,20 @@ public static class VideoOutExports
             return OrbisVideoOutErrorInvalidHandle;
         }
 
-        Thread.Sleep(1);
+        EnsureVblankPumpStarted();
+
+        lock (_vblankEdgeGate)
+        {
+            var entryEdge = _vblankEdgeSequence;
+            while (_vblankEdgeSequence == entryEdge)
+            {
+                if (!Monitor.Wait(_vblankEdgeGate, VblankWaitTimeoutMilliseconds))
+                {
+                    break;
+                }
+            }
+        }
+
         SignalVblank(port);
 
         return (int)OrbisGen2Result.ORBIS_GEN2_OK;
@@ -987,10 +1127,7 @@ public static class VideoOutExports
                 displayBuffer.PitchInPixel);
         }
 
-        if (string.Equals(
-                Environment.GetEnvironmentVariable("SHARPEMU_DUMP_VIDEOOUT"),
-                "1",
-                StringComparison.Ordinal))
+        if (_dumpVideoOut)
         {
             _ = TryDumpFrame(ctx, port, bufferIndex, flipMode, flipArg);
         }
@@ -1050,9 +1187,11 @@ public static class VideoOutExports
         var elapsedSeconds = (double)elapsedTicks / Stopwatch.Frequency;
         var submitted = Interlocked.Exchange(ref _submittedFrameCount, 0);
         var presentedCount = Interlocked.Exchange(ref _presentedFrameCount, 0);
+        var missedEdges = Interlocked.Exchange(ref _vblankMissedEdges, 0);
         Console.Error.WriteLine(
             $"[LOADER][PERF] videoout submitted_fps={submitted / elapsedSeconds:F1} " +
-            $"presented_fps={presentedCount / elapsedSeconds:F1}");
+            $"presented_fps={presentedCount / elapsedSeconds:F1} " +
+            $"vblank_missed={missedEdges}");
     }
 
     private static int RegisterBufferRange(VideoOutPortState port, int startIndex, ReadOnlySpan<ulong> addresses, BufferAttribute attribute, int requestedGroupIndex = -1)

src/SharpEmu.Libs/VideoOut/VulkanVideoPresenter.cs

@@ -9,8 +9,10 @@ using Silk.NET.Vulkan;
 using Silk.NET.Vulkan.Extensions.KHR;
 using Silk.NET.Vulkan.Extensions.EXT;
 using Silk.NET.Windowing;
+using System.Diagnostics;
 using System.Numerics;
 using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
 using System.Security.Cryptography;
 using System.Text;
 using VkBuffer = Silk.NET.Vulkan.Buffer;
@@ -276,6 +278,7 @@ internal static unsafe class VulkanVideoPresenter
                 TranslatedDraw: null,
                 RequiredGuestWorkSequence: _enqueuedGuestWorkSequence,
                 IsSplash: false);
+            System.Threading.Monitor.PulseAll(_gate);
             Console.Error.WriteLine("[LOADER][INFO] Vulkan VideoOut hid splash");
         }
     }
@@ -309,6 +312,7 @@ internal static unsafe class VulkanVideoPresenter
                 TranslatedDraw: null,
                 RequiredGuestWorkSequence: _enqueuedGuestWorkSequence,
                 IsSplash: false);
+            System.Threading.Monitor.PulseAll(_gate);
             if (_thread is not null)
             {
                 return;
@@ -358,6 +362,7 @@ internal static unsafe class VulkanVideoPresenter
                 TranslatedDraw: null,
                 RequiredGuestWorkSequence: _enqueuedGuestWorkSequence,
                 IsSplash: false);
+            System.Threading.Monitor.PulseAll(_gate);
             if (_thread is not null)
             {
                 return;
@@ -428,6 +433,7 @@ internal static unsafe class VulkanVideoPresenter
                     renderState ?? VulkanGuestRenderState.Default),
                 RequiredGuestWorkSequence: _enqueuedGuestWorkSequence,
                 IsSplash: false);
+            System.Threading.Monitor.PulseAll(_gate);
             if (_thread is not null)
             {
                 return;
@@ -600,7 +606,8 @@ internal static unsafe class VulkanVideoPresenter
         var traceSubmission = false;
         lock (_gate)
         {
-            var known = _availableGuestImages.ContainsKey(address);
+            // VideoOut registration does not imply a rendered Vulkan image.
+            var known = _gpuGuestImages.ContainsKey(address);
             if (ShouldTracePresentedGuestImageContentsForDiagnostics())
             {
                 Console.Error.WriteLine(
@@ -622,7 +629,7 @@ internal static unsafe class VulkanVideoPresenter
                 {
                     Console.Error.WriteLine(
                         $"[LOADER][WARN] vk.submit_guest_image_unknown addr=0x{address:X16} " +
-                        $"{width}x{height} - flip target was never registered as a render output");
+                        $"{width}x{height} - flip target has no completed GPU render output");
                 }
 
                 return false;
@@ -641,6 +648,7 @@ internal static unsafe class VulkanVideoPresenter
                 RequiredGuestWorkSequence: 0,
                 IsSplash: false,
                 GuestImageAddress: address);
+            System.Threading.Monitor.PulseAll(_gate);
             if (_thread is not null)
             {
                 return true;
@@ -881,6 +889,7 @@ internal static unsafe class VulkanVideoPresenter
 
         _pendingGuestWork.Enqueue(work);
         _enqueuedGuestWorkSequence++;
+        System.Threading.Monitor.PulseAll(_gate);
     }
 
     private static bool TryTakeGuestWork(out object work)
@@ -921,6 +930,13 @@ internal static unsafe class VulkanVideoPresenter
 
         private readonly IWindow _window;
         private const int MaxInFlightGuestSubmissions = 8;
+        private const double PerformanceHudSampleSeconds = 0.5;
+        private const uint ThreadQueryLimitedInformation = 0x0800;
+        private static readonly bool _performanceHudEnabled =
+            !string.Equals(
+                Environment.GetEnvironmentVariable("SHARPEMU_PERF_HUD"),
+                "0",
+                StringComparison.Ordinal);
         private Vk _vk = null!;
         private KhrSurface _surfaceApi = null!;
         private KhrSwapchain _swapchainApi = null!;
@@ -933,6 +949,8 @@ internal static unsafe class VulkanVideoPresenter
         private ExtDebugUtils? _debugUtils;
         private PhysicalDevice _physicalDevice;
         private Device _device;
+        private PipelineCache _pipelineCache;
+        private string? _pipelineCachePath;
         private Queue _queue;
         private uint _queueFamilyIndex;
         private SwapchainKHR _swapchain;
@@ -950,10 +968,24 @@ internal static unsafe class VulkanVideoPresenter
         private CommandBuffer _presentationCommandBuffer;
         private VkSemaphore _imageAvailable;
         private VkSemaphore _renderFinished;
+        private Fence _presentationFence;
+        private bool _presentationInFlight;
+        private TranslatedDrawResources? _pendingPresentationResources;
         private VkBuffer _stagingBuffer;
         private DeviceMemory _stagingMemory;
         private ulong _stagingSize;
         private long _presentedSequence;
+        private long _performanceHudLastTimestamp;
+        private TimeSpan _performanceHudLastProcessCpu;
+        private long _performanceHudPresentedFrames;
+        private long _performanceHudLastPresentedFrames;
+        private long _performanceHudLastReadCount;
+        private long _performanceHudLastReadBytes;
+        private long _performanceHudLastReadHits;
+        private long _performanceHudLastReadPvmBytes;
+        private long _performanceHudLastReadLibcBytes;
+        private readonly Dictionary<int, TimeSpan> _performanceHudThreadCpu = [];
+        private readonly Dictionary<int, string> _performanceHudThreadNames = [];
         private bool _vulkanReady;
         private bool _firstFramePresented;
         private bool _firstGuestDrawPresented;
@@ -966,6 +998,10 @@ internal static unsafe class VulkanVideoPresenter
         private int _directPresentationCount;
         private readonly Dictionary<ulong, GuestImageResource> _guestImages = new();
         private readonly HashSet<(ulong Address, uint Width, uint Height, Format Format)> _tracedTextureCacheHits = new();
+        private static readonly bool _dumpTextures = string.Equals(
+            Environment.GetEnvironmentVariable("SHARPEMU_DUMP_TEXTURES"),
+            "1",
+            StringComparison.Ordinal);
         private readonly HashSet<(ulong Address, uint Width, uint Height, Format Format)> _tracedTextureUploads = new();
         private readonly HashSet<(ulong Address, uint Width, uint Height, uint Format)> _dumpedTextures = new();
         private readonly HashSet<(ulong Address, int Size)> _tracedGlobalBuffers = new();
@@ -988,7 +1024,7 @@ internal static unsafe class VulkanVideoPresenter
         private readonly record struct GraphicsPipelineKey(
             string VertexShader,
             string FragmentShader,
-            ulong RenderPass,
+            Format RenderTargetFormat,
             PrimitiveTopology Topology,
             VulkanGuestBlendState Blend,
             string ResourceLayout,
@@ -1110,13 +1146,21 @@ internal static unsafe class VulkanVideoPresenter
             options.Size = new Vector2D<int>((int)DefaultWindowWidth, (int)DefaultWindowHeight);
             options.Title = VideoOutExports.GetWindowTitle();
             options.WindowBorder = WindowBorder.Fixed;
-            options.VSync = true;
-            options.FramesPerSecond = 60;
-            options.UpdatesPerSecond = 60;
+            // FIFO already provides the presentation clock. Throttling Silk's render loop
+            // as well can miss alternating vblanks and collapse delivery to 30 FPS or less.
+            options.VSync = false;
+            options.FramesPerSecond = 0;
+            options.UpdatesPerSecond = 0;
             _window = Window.Create(options);
             _window.Load += Initialize;
             _window.Render += Render;
-            _window.Closing += DisposeVulkan;
+            _window.Closing += OnWindowClosing;
+        }
+
+        private void OnWindowClosing()
+        {
+            VideoOutExports.NotifyPresentationWindowClosed();
+            DisposeVulkan();
         }
 
         public void Run() => _window.Run();
@@ -1150,6 +1194,7 @@ internal static unsafe class VulkanVideoPresenter
             CreateSurface();
             SelectPhysicalDevice();
             CreateDevice();
+            CreatePipelineCache();
             CreateSwapchain();
             CreateCommandResources();
             CreateGuestDrawResources();
@@ -1559,8 +1604,11 @@ internal static unsafe class VulkanVideoPresenter
             }
 
             _vk.GetPhysicalDeviceProperties(_physicalDevice, out var selected);
+            var selectedName = SilkMarshal.PtrToString((nint)selected.DeviceName) ?? "unknown";
             Console.Error.WriteLine(
-                $"[LOADER][INFO] Vulkan device: {SilkMarshal.PtrToString((nint)selected.DeviceName)} ({selected.DeviceType})");
+                $"[LOADER][INFO] Vulkan device: {selectedName} ({selected.DeviceType})");
+            VideoOutExports.SetSelectedGpuName(selectedName);
+            _window.Title = VideoOutExports.GetWindowTitle();
         }
 
         private static int ScorePhysicalDevice(
@@ -1743,6 +1791,110 @@ internal static unsafe class VulkanVideoPresenter
             }
         }
 
+        private void CreatePipelineCache()
+        {
+            _vk.GetPhysicalDeviceProperties(_physicalDevice, out var properties);
+            var directory = Path.Combine(AppContext.BaseDirectory, "pipeline-cache");
+            _pipelineCachePath = Path.Combine(
+                directory,
+                $"vulkan-{properties.VendorID:X4}-{properties.DeviceID:X4}-{properties.DriverVersion:X8}.bin");
+
+            byte[] initialData = [];
+            try
+            {
+                if (File.Exists(_pipelineCachePath))
+                {
+                    initialData = File.ReadAllBytes(_pipelineCachePath);
+                }
+            }
+            catch (IOException exception)
+            {
+                Console.Error.WriteLine(
+                    $"[LOADER][WARN] Vulkan pipeline cache could not be read: {exception.Message}");
+            }
+
+            fixed (byte* initialDataPointer = initialData)
+            {
+                var createInfo = new PipelineCacheCreateInfo
+                {
+                    SType = StructureType.PipelineCacheCreateInfo,
+                    InitialDataSize = (nuint)initialData.Length,
+                    PInitialData = initialData.Length == 0 ? null : initialDataPointer,
+                };
+                var result = _vk.CreatePipelineCache(
+                    _device,
+                    &createInfo,
+                    null,
+                    out _pipelineCache);
+                if (result != Result.Success && initialData.Length != 0)
+                {
+                    createInfo.InitialDataSize = 0;
+                    createInfo.PInitialData = null;
+                    Check(
+                        _vk.CreatePipelineCache(
+                            _device,
+                            &createInfo,
+                            null,
+                            out _pipelineCache),
+                        "vkCreatePipelineCache(empty)");
+                    initialData = [];
+                }
+                else
+                {
+                    Check(result, "vkCreatePipelineCache");
+                }
+            }
+
+            Console.Error.WriteLine(
+                $"[LOADER][INFO] Vulkan pipeline cache: " +
+                $"{(initialData.Length == 0 ? "new" : $"loaded {initialData.Length} bytes")}");
+        }
+
+        private void SavePipelineCache()
+        {
+            if (_pipelineCache.Handle == 0 || string.IsNullOrWhiteSpace(_pipelineCachePath))
+            {
+                return;
+            }
+
+            try
+            {
+                nuint size = 0;
+                Check(
+                    _vk.GetPipelineCacheData(_device, _pipelineCache, &size, null),
+                    "vkGetPipelineCacheData(size)");
+                if (size == 0 || size > int.MaxValue)
+                {
+                    return;
+                }
+
+                var data = new byte[(int)size];
+                fixed (byte* dataPointer = data)
+                {
+                    Check(
+                        _vk.GetPipelineCacheData(
+                            _device,
+                            _pipelineCache,
+                            &size,
+                            dataPointer),
+                        "vkGetPipelineCacheData");
+                }
+
+                var directory = Path.GetDirectoryName(_pipelineCachePath);
+                if (!string.IsNullOrWhiteSpace(directory))
+                {
+                    Directory.CreateDirectory(directory);
+                }
+                File.WriteAllBytes(_pipelineCachePath, data.AsSpan(0, (int)size).ToArray());
+            }
+            catch (Exception exception) when (
+                exception is IOException or UnauthorizedAccessException or InvalidOperationException)
+            {
+                Console.Error.WriteLine(
+                    $"[LOADER][WARN] Vulkan pipeline cache could not be saved: {exception.Message}");
+            }
+        }
+
         private void CreateSwapchain()
         {
             Check(
@@ -1764,6 +1916,30 @@ internal static unsafe class VulkanVideoPresenter
             var surfaceFormat = ChooseSurfaceFormat(formats);
             _swapchainFormat = surfaceFormat.Format;
             _extent = ChooseExtent(capabilities);
+            uint presentModeCount = 0;
+            Check(
+                _surfaceApi.GetPhysicalDeviceSurfacePresentModes(
+                    _physicalDevice,
+                    _surface,
+                    &presentModeCount,
+                    null),
+                "vkGetPhysicalDeviceSurfacePresentModesKHR");
+            var presentModes = new PresentModeKHR[presentModeCount];
+            fixed (PresentModeKHR* presentModePointer = presentModes)
+            {
+                Check(
+                    _surfaceApi.GetPhysicalDeviceSurfacePresentModes(
+                        _physicalDevice,
+                        _surface,
+                        &presentModeCount,
+                        presentModePointer),
+                    "vkGetPhysicalDeviceSurfacePresentModesKHR");
+            }
+
+            var presentMode = presentModes.Contains(PresentModeKHR.MailboxKhr)
+                ? PresentModeKHR.MailboxKhr
+                : PresentModeKHR.FifoKhr;
+            Console.Error.WriteLine($"[LOADER][INFO] Vulkan present mode: {presentMode}");
             var imageCount = capabilities.MinImageCount + 1;
             if (capabilities.MaxImageCount != 0)
             {
@@ -1787,7 +1963,7 @@ internal static unsafe class VulkanVideoPresenter
                 ImageSharingMode = SharingMode.Exclusive,
                 PreTransform = capabilities.CurrentTransform,
                 CompositeAlpha = compositeAlpha,
-                PresentMode = PresentModeKHR.FifoKhr,
+                PresentMode = presentMode,
                 Clipped = true,
             };
 
@@ -1835,9 +2011,44 @@ internal static unsafe class VulkanVideoPresenter
             Check(_vk.CreateSemaphore(_device, &semaphoreInfo, null, out _imageAvailable), "vkCreateSemaphore");
             Check(_vk.CreateSemaphore(_device, &semaphoreInfo, null, out _renderFinished), "vkCreateSemaphore");
 
+            var fenceInfo = new FenceCreateInfo
+            {
+                SType = StructureType.FenceCreateInfo,
+            };
+            Check(
+                _vk.CreateFence(_device, &fenceInfo, null, out _presentationFence),
+                "vkCreateFence(presentation)");
+
             CreateStagingBuffer((ulong)_extent.Width * _extent.Height * 4);
         }
 
+        private void CompletePendingPresentation(bool wait)
+        {
+            if (!_presentationInFlight)
+            {
+                return;
+            }
+
+            var fence = _presentationFence;
+            var result = wait
+                ? _vk.WaitForFences(_device, 1, &fence, true, ulong.MaxValue)
+                : _vk.GetFenceStatus(_device, fence);
+            if (!wait && result == Result.NotReady)
+            {
+                return;
+            }
+
+            Check(result, "vkWaitForFences(presentation)");
+            _presentationInFlight = false;
+            if (_pendingPresentationResources is not null)
+            {
+                MarkSampledImagesInitialized(_pendingPresentationResources);
+                MarkStorageImagesInitialized(_pendingPresentationResources);
+                DestroyTranslatedDrawResources(_pendingPresentationResources);
+                _pendingPresentationResources = null;
+            }
+        }
+
         private CommandBuffer AllocateGuestCommandBuffer()
         {
             var allocateInfo = new CommandBufferAllocateInfo
@@ -2184,7 +2395,7 @@ internal static unsafe class VulkanVideoPresenter
                 Check(
                     _vk.CreateGraphicsPipelines(
                         _device,
-                        default,
+                        _pipelineCache,
                         1,
                         &pipelineInfo,
                         null,
@@ -2219,6 +2430,7 @@ internal static unsafe class VulkanVideoPresenter
         private TranslatedDrawResources CreateTranslatedDrawResources(
             VulkanTranslatedGuestDraw draw,
             RenderPass renderPass,
+            Format renderTargetFormat,
             Extent2D extent)
         {
             var vertexSpirv = draw.VertexSpirv;
@@ -2285,7 +2497,13 @@ internal static unsafe class VulkanVideoPresenter
                 CreateTranslatedDescriptorResources(
                     resources,
                     ShaderStageFlags.VertexBit | ShaderStageFlags.FragmentBit);
-                CreateTranslatedPipeline(resources, vertexSpirv, draw.PixelSpirv, renderPass, extent);
+                CreateTranslatedPipeline(
+                    resources,
+                    vertexSpirv,
+                    draw.PixelSpirv,
+                    renderPass,
+                    renderTargetFormat,
+                    extent);
                 return resources;
             }
             catch
@@ -2581,12 +2799,13 @@ internal static unsafe class VulkanVideoPresenter
             byte[] vertexSpirv,
             byte[] fragmentSpirv,
             RenderPass renderPass,
+            Format renderTargetFormat,
             Extent2D extent)
         {
             var pipelineKey = new GraphicsPipelineKey(
                 GetShaderDigest(vertexSpirv),
                 GetShaderDigest(fragmentSpirv),
-                renderPass.Handle,
+                renderTargetFormat,
                 resources.Topology,
                 resources.Blend,
                 GetResourceLayoutKey(resources),
@@ -2742,7 +2961,7 @@ internal static unsafe class VulkanVideoPresenter
                     Check(
                         _vk.CreateGraphicsPipelines(
                             _device,
-                            default,
+                            _pipelineCache,
                             1,
                             &pipelineInfo,
                             null,
@@ -2922,7 +3141,7 @@ internal static unsafe class VulkanVideoPresenter
                 Check(
                     _vk.CreateComputePipelines(
                         _device,
-                        default,
+                        _pipelineCache,
                         1,
                         &pipelineInfo,
                         null,
@@ -3448,11 +3667,36 @@ internal static unsafe class VulkanVideoPresenter
         {
             const ulong offsetBasis = 14695981039346656037;
             const ulong prime = 1099511628211;
-            var hash = offsetBasis;
-            foreach (var value in pixels)
+
+            var h0 = offsetBasis ^ (ulong)pixels.Length;
+            var h1 = offsetBasis;
+            var h2 = offsetBasis;
+            var h3 = offsetBasis;
+
+            var words = MemoryMarshal.Cast<byte, ulong>(pixels);
+            var index = 0;
+            var blockEnd = words.Length - (words.Length & 3);
+            for (; index < blockEnd; index += 4)
             {
-                hash ^= value;
-                hash *= prime;
+                h0 = (h0 ^ words[index]) * prime;
+                h1 = (h1 ^ words[index + 1]) * prime;
+                h2 = (h2 ^ words[index + 2]) * prime;
+                h3 = (h3 ^ words[index + 3]) * prime;
+            }
+
+            for (; index < words.Length; index++)
+            {
+                h0 = (h0 ^ words[index]) * prime;
+            }
+
+            var hash = h0;
+            hash = (hash ^ h1) * prime;
+            hash = (hash ^ h2) * prime;
+            hash = (hash ^ h3) * prime;
+
+            foreach (var value in pixels[(words.Length * sizeof(ulong))..])
+            {
+                hash = (hash ^ value) * prime;
             }
 
             return hash;
@@ -3465,10 +3709,7 @@ internal static unsafe class VulkanVideoPresenter
             uint width,
             uint height)
         {
-            if (!string.Equals(
-                    Environment.GetEnvironmentVariable("SHARPEMU_DUMP_TEXTURES"),
-                    "1",
-                    StringComparison.Ordinal) ||
+            if (!_dumpTextures ||
                 texture.IsFallback ||
                 texture.IsStorage ||
                 GetTextureBytesPerPixel(texture.Format) != 4 ||
@@ -4489,6 +4730,7 @@ internal static unsafe class VulkanVideoPresenter
                 resources = CreateTranslatedDrawResources(
                     work.Draw,
                     target.RenderPass,
+                    target.Format,
                     extent);
                 resources.DebugName =
                     $"SharpEmu offscreen rt=0x{work.Target.Address:X16} " +
@@ -5075,6 +5317,219 @@ internal static unsafe class VulkanVideoPresenter
                 _ => 0,
             };
 
+        private void UpdatePerformanceHud()
+        {
+            if (!_performanceHudEnabled || !OperatingSystem.IsWindows())
+            {
+                return;
+            }
+
+            var now = Stopwatch.GetTimestamp();
+            if (_performanceHudLastTimestamp != 0 &&
+                Stopwatch.GetElapsedTime(_performanceHudLastTimestamp, now).TotalSeconds <
+                    PerformanceHudSampleSeconds)
+            {
+                return;
+            }
+
+            try
+            {
+                using var process = Process.GetCurrentProcess();
+                var processCpu = process.TotalProcessorTime;
+                var currentThreadCpu = new Dictionary<int, TimeSpan>();
+                var currentThreadIds = new HashSet<int>();
+                var hottestThreadId = 0;
+                var hottestThreadCpuSeconds = 0.0;
+
+                foreach (ProcessThread thread in process.Threads)
+                {
+                    using (thread)
+                    {
+                        try
+                        {
+                            var threadId = thread.Id;
+                            var cpu = thread.TotalProcessorTime;
+                            currentThreadIds.Add(threadId);
+                            currentThreadCpu[threadId] = cpu;
+                            if (_performanceHudThreadCpu.TryGetValue(threadId, out var previousCpu))
+                            {
+                                var deltaSeconds = Math.Max(0.0, (cpu - previousCpu).TotalSeconds);
+                                if (deltaSeconds > hottestThreadCpuSeconds)
+                                {
+                                    hottestThreadCpuSeconds = deltaSeconds;
+                                    hottestThreadId = threadId;
+                                }
+                            }
+                        }
+                        catch (InvalidOperationException)
+                        {
+                        }
+                    }
+                }
+
+                if (_performanceHudLastTimestamp != 0)
+                {
+                    var elapsedSeconds = Math.Max(
+                        Stopwatch.GetElapsedTime(_performanceHudLastTimestamp, now).TotalSeconds,
+                        0.001);
+                    var processCpuPercent = Math.Max(
+                        0.0,
+                        (processCpu - _performanceHudLastProcessCpu).TotalSeconds /
+                            elapsedSeconds /
+                            Math.Max(Environment.ProcessorCount, 1) *
+                            100.0);
+                    var hottestThreadPercent = hottestThreadCpuSeconds / elapsedSeconds * 100.0;
+                    var presentedFrames = _performanceHudPresentedFrames;
+                    var fps = (presentedFrames - _performanceHudLastPresentedFrames) / elapsedSeconds;
+                    var hotName = hottestThreadId == 0
+                        ? "idle"
+                        : GetPerformanceThreadName(hottestThreadId);
+                    long guestBacklog;
+                    int queuedGuestWork;
+                    lock (_gate)
+                    {
+                        guestBacklog = Math.Max(
+                            0,
+                            _enqueuedGuestWorkSequence - _completedGuestWorkSequence);
+                        queuedGuestWork = _pendingGuestWork.Count;
+                    }
+
+                    var gpuInFlight = _pendingGuestSubmissions.Count +
+                        (_presentationInFlight ? 1 : 0);
+                    var readCount = Interlocked.Read(
+                        ref Agc.Gen5ShaderScalarEvaluator.GlobalMemoryReadCount);
+                    var readBytes = Interlocked.Read(
+                        ref Agc.Gen5ShaderScalarEvaluator.GlobalMemoryReadBytes);
+                    var readHits = Interlocked.Read(
+                        ref Agc.Gen5ShaderScalarEvaluator.GlobalMemoryReadCacheHits);
+                    var readPvmBytes = Interlocked.Read(
+                        ref Agc.Gen5ShaderScalarEvaluator.GlobalMemoryReadPvmBytes);
+                    var readLibcBytes = Interlocked.Read(
+                        ref Agc.Gen5ShaderScalarEvaluator.GlobalMemoryReadLibcBytes);
+                    var readsPerSecond =
+                        (readCount - _performanceHudLastReadCount) / elapsedSeconds;
+                    var readMbPerSecond =
+                        (readBytes - _performanceHudLastReadBytes) /
+                        elapsedSeconds /
+                        (1024.0 * 1024.0);
+                    var readHitsPerSecond =
+                        (readHits - _performanceHudLastReadHits) / elapsedSeconds;
+                    var readPvmMbPerSecond =
+                        (readPvmBytes - _performanceHudLastReadPvmBytes) /
+                        elapsedSeconds /
+                        (1024.0 * 1024.0);
+                    var readLibcMbPerSecond =
+                        (readLibcBytes - _performanceHudLastReadLibcBytes) /
+                        elapsedSeconds /
+                        (1024.0 * 1024.0);
+                    _performanceHudLastReadCount = readCount;
+                    _performanceHudLastReadBytes = readBytes;
+                    _performanceHudLastReadHits = readHits;
+                    _performanceHudLastReadPvmBytes = readPvmBytes;
+                    _performanceHudLastReadLibcBytes = readLibcBytes;
+                    _window.Title =
+                        $"FPS {fps:0.0} CPU {processCpuPercent:0}% | " +
+                        $"HOT {hotName}#{hottestThreadId} {hottestThreadPercent:0}% | " +
+                        $"WORK {guestBacklog} (q{queuedGuestWork}/gpu{gpuInFlight}) | " +
+                        $"RD {readsPerSecond:0}/s {readMbPerSecond:0}MB/s h{readHitsPerSecond:0}/s " +
+                        $"P{readPvmMbPerSecond:0} L{readLibcMbPerSecond:0} | " +
+                        VideoOutExports.GetWindowTitle();
+                    _performanceHudLastPresentedFrames = presentedFrames;
+                }
+
+                _performanceHudThreadCpu.Clear();
+                foreach (var (threadId, cpu) in currentThreadCpu)
+                {
+                    _performanceHudThreadCpu[threadId] = cpu;
+                }
+
+                foreach (var staleThreadId in _performanceHudThreadNames.Keys
+                             .Where(threadId => !currentThreadIds.Contains(threadId))
+                             .ToArray())
+                {
+                    _performanceHudThreadNames.Remove(staleThreadId);
+                }
+
+                _performanceHudLastProcessCpu = processCpu;
+                _performanceHudLastTimestamp = now;
+            }
+            catch (Exception exception) when (
+                exception is InvalidOperationException or System.ComponentModel.Win32Exception)
+            {
+                _performanceHudLastTimestamp = now;
+            }
+        }
+
+        private string GetPerformanceThreadName(int threadId)
+        {
+            if (_performanceHudThreadNames.TryGetValue(threadId, out var cached))
+            {
+                return cached;
+            }
+
+            var name = "tid";
+            var handle = OpenThread(ThreadQueryLimitedInformation, false, (uint)threadId);
+            if (handle != 0)
+            {
+                try
+                {
+                    if (GetThreadDescription(handle, out var description) >= 0 && description != 0)
+                    {
+                        try
+                        {
+                            var described = Marshal.PtrToStringUni(description);
+                            if (!string.IsNullOrWhiteSpace(described))
+                            {
+                                name = described.Length <= 28 ? described : described[..28];
+                            }
+                        }
+                        finally
+                        {
+                            LocalFree(description);
+                        }
+                    }
+                }
+                finally
+                {
+                    CloseHandle(handle);
+                }
+            }
+
+            _performanceHudThreadNames[threadId] = name;
+            return name;
+        }
+
+        [DllImport("kernel32.dll", SetLastError = true)]
+        private static extern nint OpenThread(uint desiredAccess, bool inheritHandle, uint threadId);
+
+        [DllImport("kernel32.dll")]
+        private static extern int GetThreadDescription(nint thread, out nint description);
+
+        [DllImport("kernel32.dll")]
+        private static extern nint LocalFree(nint memory);
+
+        [DllImport("kernel32.dll", SetLastError = true)]
+        [return: MarshalAs(System.Runtime.InteropServices.UnmanagedType.Bool)]
+        private static extern bool CloseHandle(nint handle);
+
+        private void WaitForRenderWork()
+        {
+            var gpuWorkInFlight = _pendingGuestSubmissions.Count > 0 || _presentationInFlight;
+            lock (_gate)
+            {
+                if (_closed ||
+                    _pendingGuestWork.Count > 0 ||
+                    (_latestPresentation is { } latest &&
+                     latest.Sequence != _presentedSequence &&
+                     latest.RequiredGuestWorkSequence <= _completedGuestWorkSequence))
+                {
+                    return;
+                }
+
+                System.Threading.Monitor.Wait(_gate, gpuWorkInFlight ? 1 : 8);
+            }
+        }
+
         private void Render(double _)
         {
             if (!_vulkanReady)
@@ -5082,6 +5537,9 @@ internal static unsafe class VulkanVideoPresenter
                 return;
             }
 
+            WaitForRenderWork();
+            UpdatePerformanceHud();
+
             _commandBuffer = _presentationCommandBuffer;
             if (!_deviceLost)
             {
@@ -5125,6 +5583,8 @@ internal static unsafe class VulkanVideoPresenter
                 return;
             }
 
+            CompletePendingPresentation(wait: true);
+
             byte[]? pixels = null;
             if (presentation.Pixels is { } sourcePixels)
             {
@@ -5172,6 +5632,7 @@ internal static unsafe class VulkanVideoPresenter
                     translatedResources = CreateTranslatedDrawResources(
                         translatedDraw,
                         _renderPass,
+                        _swapchainFormat,
                         _extent);
                     if (ShouldTracePresentedGuestImageContentsForDiagnostics() &&
                         !_firstGuestDrawPresented)
@@ -5303,7 +5764,16 @@ internal static unsafe class VulkanVideoPresenter
                 SignalSemaphoreCount = 1,
                 PSignalSemaphores = &renderFinished,
             };
-            Check(_vk.QueueSubmit(_queue, 1, &submitInfo, default), "vkQueueSubmit");
+            var presentationFence = _presentationFence;
+            Check(
+                _vk.ResetFences(_device, 1, &presentationFence),
+                "vkResetFences(presentation)");
+            Check(
+                _vk.QueueSubmit(_queue, 1, &submitInfo, presentationFence),
+                "vkQueueSubmit");
+            _presentationInFlight = true;
+            _pendingPresentationResources = translatedResources;
+            translatedResources = null;
 
             var swapchain = _swapchain;
             var presentInfo = new PresentInfoKHR
@@ -5319,6 +5789,7 @@ internal static unsafe class VulkanVideoPresenter
             if (presentResult == Result.ErrorOutOfDateKhr)
             {
                 Check(_vk.QueueWaitIdle(_queue), "vkQueueWaitIdle");
+                CompletePendingPresentation(wait: false);
                 CollectCompletedGuestSubmissions(waitForOldest: false);
                 if (translatedResources is not null)
                 {
@@ -5331,19 +5802,14 @@ internal static unsafe class VulkanVideoPresenter
 
             CheckSwapchainResult(presentResult, "vkQueuePresentKHR");
             recreateAfterPresent |= presentResult == Result.SuboptimalKhr;
-            Check(_vk.QueueWaitIdle(_queue), "vkQueueWaitIdle");
             VideoOutExports.ReportPresentedFrame();
+            _performanceHudPresentedFrames++;
             if (_swapchainReadbackPending)
             {
+                CompletePendingPresentation(wait: true);
                 TraceSwapchainReadback();
             }
             CollectCompletedGuestSubmissions(waitForOldest: false);
-            if (translatedResources is not null)
-            {
-                MarkSampledImagesInitialized(translatedResources);
-                MarkStorageImagesInitialized(translatedResources);
-                DestroyTranslatedDrawResources(translatedResources);
-            }
 
             _imageInitialized[imageIndex] = true;
             _presentedSequence = presentation.Sequence;
@@ -6027,59 +6493,34 @@ internal static unsafe class VulkanVideoPresenter
                     offsets);
             }
 
-            const uint maxPixelsPerDraw = 512 * 512;
-            var rowsPerDraw = Math.Max(
-                1u,
-                Math.Min(drawScissor.Height, maxPixelsPerDraw / Math.Max(drawScissor.Width, 1u)));
-            var drawCount = 0u;
-            for (var y = 0u; y < drawScissor.Height; y += rowsPerDraw)
+            var scissor = new Rect2D(
+                new Offset2D(drawScissor.X, drawScissor.Y),
+                new Extent2D(drawScissor.Width, drawScissor.Height));
+            _vk.CmdSetScissor(_commandBuffer, 0, 1, &scissor);
+
+            if (resources.IndexBuffer.Handle != 0)
             {
-                var scissor = new Rect2D(
-                    new Offset2D(
-                        drawScissor.X,
-                        checked(drawScissor.Y + (int)y)),
-                    new Extent2D(
-                        drawScissor.Width,
-                        Math.Min(rowsPerDraw, drawScissor.Height - y)));
-                _vk.CmdSetScissor(_commandBuffer, 0, 1, &scissor);
-
-                if (resources.IndexBuffer.Handle != 0)
-                {
-                    _vk.CmdBindIndexBuffer(
-                        _commandBuffer,
-                        resources.IndexBuffer,
-                        0,
-                        resources.Index32Bit ? IndexType.Uint32 : IndexType.Uint16);
-                    _vk.CmdDrawIndexed(
-                        _commandBuffer,
-                        resources.VertexCount,
-                        resources.InstanceCount,
-                        0,
-                        0,
-                        0);
-                }
-                else
-                {
-                    _vk.CmdDraw(
-                        _commandBuffer,
-                        resources.VertexCount,
-                        resources.InstanceCount,
-                        0,
-                        0);
-                }
-
-                drawCount++;
+                _vk.CmdBindIndexBuffer(
+                    _commandBuffer,
+                    resources.IndexBuffer,
+                    0,
+                    resources.Index32Bit ? IndexType.Uint32 : IndexType.Uint16);
+                _vk.CmdDrawIndexed(
+                    _commandBuffer,
+                    resources.VertexCount,
+                    resources.InstanceCount,
+                    0,
+                    0,
+                    0);
             }
-
-            if (drawCount > 1)
+            else
             {
-                TraceVulkanShader(
-                    $"vk.graphics_chunked target={extent.Width}x{extent.Height} " +
-                    $"draws={drawCount} rows={rowsPerDraw} " +
-                    $"scissor={drawScissor.X},{drawScissor.Y},{drawScissor.Width}x{drawScissor.Height} " +
-                    $"viewport={drawViewport.X:0.###},{drawViewport.Y:0.###}," +
-                    $"{drawViewport.Width:0.###}x{drawViewport.Height:0.###} " +
-                    $"name={resources.DebugName}");
+                _vk.CmdDraw(
+                    _commandBuffer,
+                    resources.VertexCount,
+                    resources.InstanceCount,
+                    0,
+                    0);
             }
             _vk.CmdEndRenderPass(_commandBuffer);
         }
@@ -6597,7 +7038,9 @@ internal static unsafe class VulkanVideoPresenter
             }
             _vulkanReady = false;
             _vk.DeviceWaitIdle(_device);
+            CompletePendingPresentation(wait: false);
             CollectCompletedGuestSubmissions(waitForOldest: false);
+            SavePipelineCache();
             foreach (var pipeline in _computePipelines.Values)
             {
                 _vk.DestroyPipeline(_device, pipeline, null);
@@ -6608,6 +7051,11 @@ internal static unsafe class VulkanVideoPresenter
                 _vk.DestroyPipeline(_device, pipeline, null);
             }
             _graphicsPipelines.Clear();
+            if (_pipelineCache.Handle != 0)
+            {
+                _vk.DestroyPipelineCache(_device, _pipelineCache, null);
+                _pipelineCache = default;
+            }
             foreach (var layout in _descriptorLayouts.Values)
             {
                 _vk.DestroyPipelineLayout(_device, layout.PipelineLayout, null);
@@ -6699,6 +7147,7 @@ internal static unsafe class VulkanVideoPresenter
             Console.Error.WriteLine(
                 $"[LOADER][INFO] Vulkan VideoOut recreating swapchain after {operation}: {result}");
             _vk.DeviceWaitIdle(_device);
+            CompletePendingPresentation(wait: false);
             CollectCompletedGuestSubmissions(waitForOldest: false);
             DestroySwapchainResources();
             CreateSwapchain();
@@ -6732,6 +7181,11 @@ internal static unsafe class VulkanVideoPresenter
                 _vk.DestroySemaphore(_device, _renderFinished, null);
                 _renderFinished = default;
             }
+            if (_presentationFence.Handle != 0)
+            {
+                _vk.DestroyFence(_device, _presentationFence, null);
+                _presentationFence = default;
+            }
             if (_barycentricPipeline.Handle != 0)
             {
                 _vk.DestroyPipeline(_device, _barycentricPipeline, null);

src/SharpEmu.Libs/Voice/VoiceQoSExports.cs

@@ -0,0 +1,19 @@
+// Copyright (C) 2026 SharpEmu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+using SharpEmu.HLE;
+
+namespace SharpEmu.Libs.Voice;
+
+public static class VoiceQoSExports
+{
+    [SysAbiExport(
+        Nid = "U8IfNl6-Css",
+        ExportName = "sceVoiceQoSInit",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libSceVoiceQoS")]
+    public static int VoiceQoSInit(CpuContext ctx)
+    {
+        return ctx.SetReturn(0);
+    }
+}

src/SharpEmu.Logging/FileLogSink.cs

@@ -6,19 +6,15 @@ using System.Text;
 
 namespace SharpEmu.Logging;
 
-/// <summary>
-/// Writes log entries to a file. Thread-safe via an internal lock.
-/// <see cref="StreamWriter.AutoFlush"/> is enabled so entries survive a crash.
-/// </summary>
 public sealed class FileLogSink : ISharpEmuLogSink, IDisposable
 {
+    private static readonly TimeSpan FlushInterval = TimeSpan.FromMilliseconds(500);
+
     private readonly object _sync = new();
     private readonly StreamWriter _writer;
+    private readonly Timer _flushTimer;
     private bool _disposed;
 
-    /// <param name="path">Absolute or relative file path. Parent directories are created if missing.</param>
-    /// <param name="append"><see langword="true"/> to append to an existing file; <see langword="false"/> to overwrite.</param>
-    /// <param name="includeTimestamp">Always recommended for file logs — entries include a full date-time prefix.</param>
     public FileLogSink(string path, bool append = true, bool includeTimestamp = true)
     {
         ArgumentException.ThrowIfNullOrWhiteSpace(path);
@@ -34,14 +30,20 @@ public sealed class FileLogSink : ISharpEmuLogSink, IDisposable
             append ? FileMode.Append : FileMode.Create,
             FileAccess.Write,
             FileShare.Read,
-            bufferSize: 4096,
+            bufferSize: 65536,
             FileOptions.SequentialScan);
-        _writer = new StreamWriter(fileStream, Encoding.UTF8)
+        _writer = new StreamWriter(fileStream, Encoding.UTF8, bufferSize: 65536)
         {
-            AutoFlush = true
+            AutoFlush = false
         };
 
         IncludeTimestamp = includeTimestamp;
+
+        _flushTimer = new Timer(
+            static state => ((FileLogSink)state!).FlushBuffered(),
+            this,
+            FlushInterval,
+            FlushInterval);
     }
 
     public bool IncludeTimestamp { get; set; }
@@ -84,11 +86,31 @@ public sealed class FileLogSink : ISharpEmuLogSink, IDisposable
             {
                 _writer.WriteLine(entry.Exception);
             }
+
+            if (entry.Level >= LogLevel.Error)
+            {
+                _writer.Flush();
+            }
+        }
+    }
+
+    private void FlushBuffered()
+    {
+        lock (_sync)
+        {
+            if (_disposed)
+            {
+                return;
+            }
+
+            _writer.Flush();
         }
     }
 
     public void Dispose()
     {
+        _flushTimer.Dispose();
+
         lock (_sync)
         {
             if (_disposed)

src/SharpEmu.Logging/HostSystemInfo.cs

@@ -36,11 +36,16 @@ public static class HostSystemInfo
             using var key = Registry.LocalMachine.OpenSubKey(@"HARDWARE\DESCRIPTION\System\CentralProcessor\0");
             if (key?.GetValue("ProcessorNameString") is string name && !string.IsNullOrWhiteSpace(name))
             {
-                return Regex.Replace(
+                name = Regex.Replace(
                     name.Trim(),
                     @"\s+\d+-Core Processor$",
                     string.Empty,
                     RegexOptions.IgnoreCase | RegexOptions.CultureInvariant);
+                return Regex.Replace(
+                    name,
+                    @"\s+with Radeon Graphics$",
+                    string.Empty,
+                    RegexOptions.IgnoreCase | RegexOptions.CultureInvariant);
             }
         }
         catch (Exception)
@@ -103,8 +108,12 @@ public static class HostSystemInfo
         }
 
         if (name.Contains("nvidia", StringComparison.OrdinalIgnoreCase) ||
-            name.Contains("geforce", StringComparison.OrdinalIgnoreCase) ||
-            name.Contains("amd", StringComparison.OrdinalIgnoreCase) ||
+            name.Contains("geforce", StringComparison.OrdinalIgnoreCase))
+        {
+            return 3;
+        }
+
+        if (name.Contains("amd", StringComparison.OrdinalIgnoreCase) ||
             name.Contains("radeon", StringComparison.OrdinalIgnoreCase))
         {
             return 2;

tools/SharpEmu.Tools.ShaderDump/Program.cs

@@ -0,0 +1,275 @@
+// Copyright (C) 2026 SharpEmu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+// Synthetic-shader conformance dumper.
+//
+// Feeds hand-assembled Gen5 (gfx10) instruction words through the real
+// decode -> SPIR-V pipeline (Gen5ShaderTranslator / Gen5SpirvTranslator, via
+// reflection so no emulator source changes are required) and writes the
+// resulting vertex and compute SPIR-V blobs to disk. The blobs can then be
+// checked with spirv-val / spirv-dis.
+//
+// Programs that contain buffer_store_dword automatically get a single
+// global-memory binding covering every store, which the emitter exposes as
+// guestBuffers[0] (descriptor set 0, binding 0).
+//
+// Each program carries an expectation: ExpectTranslate=true programs must
+// decode and emit both stages; ExpectTranslate=false programs pin a decode
+// failure that must stay loud. Any unexpected outcome makes the tool exit
+// non-zero, so it can gate scripts/CI.
+//
+// Usage: SharpEmu.Tools.ShaderDump [output-directory]
+
+using System.Buffers.Binary;
+using System.Reflection;
+using SharpEmu.HLE;
+using SharpEmu.Libs.CxxAbi;
+
+const ulong ProgramAddress = 0x100000;
+
+(string Name, bool ExpectTranslate, uint[] Words)[] testPrograms =
+[
+    ("fmac", true, [
+        0x560A0501,             // v_fmac_f32 v5, v1, v2
+        0x580A0501, 0x42280000, // v_fmamk_f32 v5, v1, 42.0, v2
+        0x5A0A0501, 0x42280000, // v_fmaak_f32 v5, v1, v2, 42.0
+        0xD52B0005, 0x00020501, // v_fmac_f32_e64 v5, v1, v2
+        0xBF810000,             // s_endpgm
+    ]),
+    ("muls", true, [
+        0xD5690005, 0x00020501, // v_mul_lo_u32 v5, v1, v2
+        0xD56A0005, 0x00020501, // v_mul_hi_u32 v5, v1, v2
+        0xD56B0005, 0x00020501, // v_mul_lo_i32 v5, v1, v2
+        0xD56C0005, 0x00020501, // v_mul_hi_i32 v5, v1, v2
+        0xBF810000,             // s_endpgm
+    ]),
+    ("sopp-hints", true, [
+        0xBFA10001,             // s_clause 0x1
+        0xBFA30000,             // s_waitcnt_depctr 0x0
+        0xBF810000,             // s_endpgm
+    ]),
+    // s_round_mode / s_denorm_mode write the FP MODE state and must keep
+    // failing decode loudly until their semantics are modeled (see #108);
+    // this program pins that behavior.
+    ("sopp-mode", false, [
+        0xBFA40000,             // s_round_mode 0x0
+        0xBFA50000,             // s_denorm_mode 0x0
+        0xBF810000,             // s_endpgm
+    ]),
+    // Executable end-to-end test: compute with real ALU instructions, then
+    // buffer_store_dword results to guestBuffers[0] at offsets 0/4/8, prove
+    // that a store with EXEC=0 does not land (offset 12 stays sentinel), and
+    // that stores work again after EXEC is restored (offset 16).
+    ("exec", true, [
+        0xBFA10001,             // s_clause 0x1 (hint no-op in an executed program, needs #108)
+        0x7E0002FF, 0x3FC00000, // v_mov_b32 v0, 1.5f
+        0x7E0202FF, 0x40100000, // v_mov_b32 v1, 2.25f
+        0x7E0402FF, 0x41200000, // v_mov_b32 v2, 10.0f
+        0x56040300,             // v_fmac_f32 v2, v0, v1      -> v2 = fma(1.5, 2.25, 10.0)
+        0x7E0602FF, 0x7FFFFFFF, // v_mov_b32 v3, 0x7FFFFFFF
+        0x7E0802FF, 0x00010003, // v_mov_b32 v4, 0x00010003
+        0xD56C0005, 0x00020903, // v_mul_hi_i32 v5, v3, v4
+        0xD56B0006, 0x00020903, // v_mul_lo_i32 v6, v3, v4
+        0xE0700000, 0x80020200, // buffer_store_dword v2, off, s[8:11], 0
+        0xE0700004, 0x80020500, // buffer_store_dword v5, off, s[8:11], 0 offset:4
+        0xE0700008, 0x80020600, // buffer_store_dword v6, off, s[8:11], 0 offset:8
+        0xBEFE0380,             // s_mov_b32 exec_lo, 0       -> lane inactive
+        0xE070000C, 0x80020200, // buffer_store_dword v2, off, s[8:11], 0 offset:12 (masked, must not land)
+        0xBEFE03C1,             // s_mov_b32 exec_lo, -1      -> lane active again
+        0xE0700010, 0x80020000, // buffer_store_dword v0, off, s[8:11], 0 offset:16
+        0xBF810000,             // s_endpgm
+    ]),
+];
+
+var assembly = typeof(CxaGuardExports).Assembly;
+var shaderTranslator = assembly.GetType("SharpEmu.Libs.Agc.Gen5ShaderTranslator")
+    ?? throw new InvalidOperationException("Gen5ShaderTranslator not found");
+var spirvTranslator = assembly.GetType("SharpEmu.Libs.Agc.Gen5SpirvTranslator")
+    ?? throw new InvalidOperationException("Gen5SpirvTranslator not found");
+var describe = shaderTranslator.GetMethod(
+    "Describe",
+    BindingFlags.Public | BindingFlags.Static)
+    ?? throw new InvalidOperationException("Gen5ShaderTranslator.Describe not found");
+var tryDecode = shaderTranslator.GetMethod(
+    "TryDecodeProgram",
+    BindingFlags.NonPublic | BindingFlags.Static)
+    ?? throw new InvalidOperationException("Gen5ShaderTranslator.TryDecodeProgram not found");
+var stateType = assembly.GetType("SharpEmu.Libs.Agc.Gen5ShaderState")
+    ?? throw new InvalidOperationException("Gen5ShaderState not found");
+var evaluationType = assembly.GetType("SharpEmu.Libs.Agc.Gen5ShaderEvaluation")
+    ?? throw new InvalidOperationException("Gen5ShaderEvaluation not found");
+var imageBindingType = assembly.GetType("SharpEmu.Libs.Agc.Gen5ImageBinding")
+    ?? throw new InvalidOperationException("Gen5ImageBinding not found");
+var globalBindingType = assembly.GetType("SharpEmu.Libs.Agc.Gen5GlobalMemoryBinding")
+    ?? throw new InvalidOperationException("Gen5GlobalMemoryBinding not found");
+var tryCompile = spirvTranslator.GetMethod(
+    "TryCompileVertexShader",
+    BindingFlags.Public | BindingFlags.Static)
+    ?? throw new InvalidOperationException("Gen5SpirvTranslator.TryCompileVertexShader not found");
+var tryCompileCompute = spirvTranslator.GetMethod(
+    "TryCompileComputeShader",
+    BindingFlags.Public | BindingFlags.Static)
+    ?? throw new InvalidOperationException("Gen5SpirvTranslator.TryCompileComputeShader not found");
+
+var outputDirectory = args.Length > 0
+    ? args[0]
+    : Path.Combine(AppContext.BaseDirectory, "spv");
+Directory.CreateDirectory(outputDirectory);
+
+var failures = 0;
+foreach (var (name, expectTranslate, words) in testPrograms)
+{
+    var memory = new FakeMemory();
+    memory.AddRegion(ProgramAddress, words);
+    var ctx = new CpuContext(memory, Generation.Gen5);
+
+    Console.WriteLine(
+        $"[{name}] decode: " +
+        (string)describe.Invoke(null, [ctx, ProgramAddress, ProgramAddress])!);
+
+    object?[] decodeArgs = [ctx, ProgramAddress, null, null];
+    if (!(bool)tryDecode.Invoke(null, decodeArgs)!)
+    {
+        if (expectTranslate)
+        {
+            failures++;
+            Console.WriteLine($"[{name}] FAILED: decode error ({decodeArgs[3]})");
+        }
+        else
+        {
+            Console.WriteLine($"[{name}] decode failed as expected ({decodeArgs[3]})");
+        }
+
+        continue;
+    }
+
+    if (!expectTranslate)
+    {
+        failures++;
+        Console.WriteLine(
+            $"[{name}] FAILED: decoded successfully but is pinned as a decode failure — " +
+            "if the new decode support is intentional, its semantics need verifying here first");
+        continue;
+    }
+
+    // Buffer stores need a global-memory binding; the emitter resolves them by
+    // instruction PC, so collect store PCs from the decoded program itself.
+    var programObj = decodeArgs[2]!;
+    var instructions = (System.Collections.IEnumerable)programObj
+        .GetType().GetProperty("Instructions")!.GetValue(programObj)!;
+    var storePcs = new List<uint>();
+    foreach (var instruction in instructions)
+    {
+        var op = (string)instruction.GetType().GetProperty("Opcode")!.GetValue(instruction)!;
+        if (op.StartsWith("BufferStore", StringComparison.Ordinal))
+        {
+            storePcs.Add((uint)instruction.GetType().GetProperty("Pc")!.GetValue(instruction)!);
+        }
+    }
+
+    // The binding's scalar base (8 -> s[8:11]) must match the srsrc field of
+    // the hand-assembled buffer_store words, and the 64-byte backing store
+    // must cover every hand-assembled store offset.
+    var globalBindings = Array.CreateInstance(globalBindingType, storePcs.Count > 0 ? 1 : 0);
+    if (storePcs.Count > 0)
+    {
+        globalBindings.SetValue(
+            Activator.CreateInstance(
+                globalBindingType,
+                8u,
+                0UL,
+                (IReadOnlyList<uint>)storePcs,
+                new byte[64]),
+            0);
+    }
+
+    var state = Activator.CreateInstance(
+        stateType,
+        programObj,
+        new uint[16],
+        null,
+        null,
+        0u)!;
+    var evaluation = Activator.CreateInstance(
+        evaluationType,
+        new uint[256],
+        new uint[256],
+        new Dictionary<uint, IReadOnlyList<uint>>(),
+        Array.CreateInstance(imageBindingType, 0),
+        globalBindings,
+        null,
+        null,
+        null)!;
+
+    object?[] compileArgs = [state, evaluation, null, null, 0, -1, 0];
+    if ((bool)tryCompile.Invoke(null, compileArgs)!)
+    {
+        var shader = compileArgs[2]!;
+        var spirv = (byte[])shader.GetType().GetProperty("Spirv")!.GetValue(shader)!;
+        var path = Path.Combine(outputDirectory, $"{name}.spv");
+        File.WriteAllBytes(path, spirv);
+        Console.WriteLine($"[{name}] emit: success, {spirv.Length} bytes -> {path}");
+    }
+    else
+    {
+        failures++;
+        Console.WriteLine($"[{name}] emit: FAILED ({compileArgs[3]})");
+    }
+
+    object?[] computeArgs = [state, evaluation, 1u, 1u, 1u, null, null];
+    if ((bool)tryCompileCompute.Invoke(null, computeArgs)!)
+    {
+        var shader = computeArgs[5]!;
+        var spirv = (byte[])shader.GetType().GetProperty("Spirv")!.GetValue(shader)!;
+        var path = Path.Combine(outputDirectory, $"{name}-cs.spv");
+        File.WriteAllBytes(path, spirv);
+        Console.WriteLine($"[{name}] compute emit: success, {spirv.Length} bytes -> {path}");
+    }
+    else
+    {
+        failures++;
+        Console.WriteLine($"[{name}] compute emit: FAILED ({computeArgs[6]})");
+    }
+}
+
+Console.WriteLine(failures == 0
+    ? "RESULT: all programs behaved as expected"
+    : $"RESULT: {failures} unexpected outcome(s)");
+Environment.ExitCode = failures == 0 ? 0 : 1;
+
+internal sealed class FakeMemory : ICpuMemory
+{
+    private readonly List<(ulong Base, byte[] Data)> _regions = [];
+
+    public void AddRegion(ulong baseAddress, uint[] words)
+    {
+        var bytes = new byte[words.Length * sizeof(uint)];
+        for (var index = 0; index < words.Length; index++)
+        {
+            BinaryPrimitives.WriteUInt32LittleEndian(
+                bytes.AsSpan(index * sizeof(uint)),
+                words[index]);
+        }
+
+        _regions.Add((baseAddress, bytes));
+    }
+
+    public bool TryRead(ulong virtualAddress, Span<byte> destination)
+    {
+        foreach (var (baseAddress, data) in _regions)
+        {
+            if (virtualAddress >= baseAddress &&
+                virtualAddress + (ulong)destination.Length <= baseAddress + (ulong)data.Length)
+            {
+                data.AsSpan(
+                    (int)(virtualAddress - baseAddress),
+                    destination.Length).CopyTo(destination);
+                return true;
+            }
+        }
+
+        return false;
+    }
+
+    public bool TryWrite(ulong virtualAddress, ReadOnlySpan<byte> source) => false;
+}

tools/SharpEmu.Tools.ShaderDump/SharpEmu.Tools.ShaderDump.csproj

@@ -0,0 +1,19 @@
+<!--
+Copyright (C) 2026 SharpEmu Emulator Project
+SPDX-License-Identifier: GPL-2.0-or-later
+-->
+
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <!-- Standalone dev tool: opt out of the repo-wide lock-file requirement
+         so no packages.lock.json is generated or committed for it. -->
+    <RestorePackagesWithLockFile>false</RestorePackagesWithLockFile>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\..\src\SharpEmu.Libs\SharpEmu.Libs.csproj" />
+  </ItemGroup>
+
+</Project>