From adb2acdb39078f6a9af792fac4f8f65ffb31ade4 Mon Sep 17 00:00:00 2001
From: Berk <parantezprojects@gmail.com>
Date: Sun, 5 Jul 2026 22:09:14 +0300
Subject: [PATCH] [sceMsgDialog] implemented sceMsgDialogInitialize (#22)

---
 .../CommonDialog/MsgDialogExports.cs          | 27 +++++++++++++++++++
 1 file changed, 27 insertions(+)
 create mode 100644 src/SharpEmu.Libs/CommonDialog/MsgDialogExports.cs

diff --git a/src/SharpEmu.Libs/CommonDialog/MsgDialogExports.cs b/src/SharpEmu.Libs/CommonDialog/MsgDialogExports.cs
new file mode 100644
index 0000000..a8946f5
--- /dev/null
+++ b/src/SharpEmu.Libs/CommonDialog/MsgDialogExports.cs
@@ -0,0 +1,27 @@
+// Copyright (C) 2026 SharpEmu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+using SharpEmu.HLE;
+using System.Threading;
+
+namespace SharpEmu.Libs.CommonDialog;
+
+public static class MsgDialogExports
+{
+    private const int AlreadyInitialized = unchecked((int)0x80B80002);
+    private static int _initialized;
+
+    [SysAbiExport(
+        Nid = "lDqxaY1UbEo",
+        ExportName = "sceMsgDialogInitialize",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libSceMsgDialog")]
+    public static int MsgDialogInitialize(CpuContext ctx)
+    {
+        var result = Interlocked.Exchange(ref _initialized, 1) == 0
+            ? 0
+            : AlreadyInitialized;
+        ctx[CpuRegister.Rax] = unchecked((ulong)result);
+        return result;
+    }
+}