From ea3f9ef2605df9a4c1e444aaa98d2cb745ff9256 Mon Sep 17 00:00:00 2001
From: Nomi <nomiwen@outlook.de>
Date: Mon, 25 Sep 2023 12:14:50 +0200
Subject: [PATCH] Stub LaunchTitle

---
 include/services/ns.hpp  |  1 +
 src/core/services/ns.cpp | 14 +++++++++++++-
 2 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/include/services/ns.hpp b/include/services/ns.hpp
index 0e615703..c435ba7e 100644
--- a/include/services/ns.hpp
+++ b/include/services/ns.hpp
@@ -10,6 +10,7 @@ class NSService {
 	MAKE_LOG_FUNCTION(log, nsLogger)
 
     // Service commands
+    void launchTitle(u32 messagePointer);
 
 public:
     enum class Type {
diff --git a/src/core/services/ns.cpp b/src/core/services/ns.cpp
index 35cfcc2d..c260e2ed 100644
--- a/src/core/services/ns.cpp
+++ b/src/core/services/ns.cpp
@@ -3,7 +3,7 @@
 
 namespace NSCommands {
     enum : u32 {
-        a,
+        LaunchTitle = 0x000200C0,
     };
 }
 
@@ -14,6 +14,18 @@ void NSService::handleSyncRequest(u32 messagePointer, Type type) {
 
     // ns:s commands
     switch (command) {
+        case NSCommands::LaunchTitle: launchTitle(messagePointer); break;
+
         default: Helpers::panic("NS service requested. Command: %08X\n", command);
     }
+}
+
+void NSService::launchTitle(u32 messagePointer) {
+    const u64 titleID = mem.read64(messagePointer + 4);
+    const u32 launchFlags = mem.read32(messagePointer + 12);
+    log("NS::LaunchTitle (title ID = %llX, launch flags = %X) (stubbed)\n", titleID, launchFlags);
+
+    mem.write32(messagePointer, IPC::responseHeader(0x2, 2, 0));
+    mem.write32(messagePointer + 4, Result::Success);
+    mem.write32(messagePointer + 8, 0); // Process ID
 }
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