From 48cf9eb80552798f22986c60d9c66c5b74e46aab Mon Sep 17 00:00:00 2001
From: StapleButter <thetotalworm@gmail.com>
Date: Thu, 21 Sep 2017 04:08:03 +0200
Subject: [PATCH] make it a menu option while we're at it

---
 src/GPU.cpp            |  5 +++++
 src/GPU.h              |  1 +
 src/NDS.cpp            |  1 +
 src/libui_sdl/main.cpp | 13 +++++++++++++
 4 files changed, 20 insertions(+)

diff --git a/src/GPU.cpp b/src/GPU.cpp
index af8c5d8c..8ac3e742 100644
--- a/src/GPU.cpp
+++ b/src/GPU.cpp
@@ -151,6 +151,11 @@ void Reset()
     GPU2D_B->SetFramebuffer(&Framebuffer[256*0]);
 }
 
+void Stop()
+{
+    memset(Framebuffer, 0, 256*192*2*4);
+}
+
 
 // VRAM mapping notes
 //
diff --git a/src/GPU.h b/src/GPU.h
index 4624495e..d45f3832 100644
--- a/src/GPU.h
+++ b/src/GPU.h
@@ -70,6 +70,7 @@ extern GPU2D* GPU2D_B;
 bool Init();
 void DeInit();
 void Reset();
+void Stop();
 
 void MapVRAM_AB(u32 bank, u8 cnt);
 void MapVRAM_CD(u32 bank, u8 cnt);
diff --git a/src/NDS.cpp b/src/NDS.cpp
index 9b096b82..bee3a8de 100644
--- a/src/NDS.cpp
+++ b/src/NDS.cpp
@@ -347,6 +347,7 @@ void Stop()
 {
     printf("Stopping: shutdown\n");
     Platform::StopEmu();
+    GPU::Stop();
     SPU::Stop();
 }
 
diff --git a/src/libui_sdl/main.cpp b/src/libui_sdl/main.cpp
index 1068f922..c61cebe4 100644
--- a/src/libui_sdl/main.cpp
+++ b/src/libui_sdl/main.cpp
@@ -37,6 +37,7 @@ uiArea* MainDrawArea;
 
 uiMenuItem* MenuItem_Pause;
 uiMenuItem* MenuItem_Reset;
+uiMenuItem* MenuItem_Stop;
 
 SDL_Thread* EmuThread;
 int EmuRunning;
@@ -261,6 +262,7 @@ void Run()
 
     uiMenuItemEnable(MenuItem_Pause);
     uiMenuItemEnable(MenuItem_Reset);
+    uiMenuItemEnable(MenuItem_Stop);
     uiMenuItemSetChecked(MenuItem_Pause, 0);
 }
 
@@ -271,6 +273,7 @@ void Stop()
 
     uiMenuItemDisable(MenuItem_Pause);
     uiMenuItemDisable(MenuItem_Reset);
+    uiMenuItemDisable(MenuItem_Stop);
     uiMenuItemSetChecked(MenuItem_Pause, 0);
 
     memset(ScreenBuffer, 256*384*4, 0);
@@ -355,6 +358,13 @@ void OnReset(uiMenuItem* item, uiWindow* window, void* blarg)
     Run();
 }
 
+void OnStop(uiMenuItem* item, uiWindow* window, void* blarg)
+{
+    if (!RunningSomething) return;
+
+    Stop();
+}
+
 
 int main(int argc, char** argv)
 {
@@ -404,6 +414,9 @@ int main(int argc, char** argv)
     menuitem = uiMenuAppendItem(menu, "Reset");
     uiMenuItemOnClicked(menuitem, OnReset, NULL);
     MenuItem_Reset = menuitem;
+    menuitem = uiMenuAppendItem(menu, "Stop");
+    uiMenuItemOnClicked(menuitem, OnStop, NULL);
+    MenuItem_Stop = menuitem;
 
     MainWindow = uiNewWindow("melonDS " MELONDS_VERSION, 256, 384, 1);
     uiWindowOnClosing(MainWindow, OnCloseWindow, NULL);