diff --git a/backends/platform/ds/arm9/makefile b/backends/platform/ds/arm9/makefile
index 7c93cc8b05e..bfa0d61527d 100644
--- a/backends/platform/ds/arm9/makefile
+++ b/backends/platform/ds/arm9/makefile
@@ -5,10 +5,12 @@ libndsdir = /home/neil/devkitpro/libnds
 # Select the build you want by uncommenting one of the following lines:
 
 
-#DS_BUILD_A = 1
+DS_BUILD_A = 1
 #DS_BUILD_B = 1
 #DS_BUILD_C = 1
-DS_BUILD_D = 1
+#DS_BUILD_D = 1
+#DS_BUILD_E = 1
+#DS_BUILD_F = 1
 #DS_BUILD_E = 1
 #DS_BUILD_F = 1
 
@@ -38,6 +40,7 @@ VPATH = $(srcdir)
 # Command to build libmad is:
 # ./configure --host=arm-elf --enable-speed --enable-sso -enable-fpm=arm CFLAGS='-specs=ds_arm9.specs -mthumb-interwork'
 
+USE_ARM_SOUND_ASM = 1
 ARM = 1
 
 ifdef DS_BUILD_A
@@ -249,7 +252,7 @@ PRE_OBJS_FLAGS = -Wl,--whole-archive
 POST_OBJS_FLAGS = -Wl,--no-whole-archive
 endif
 
-PORT_OBJS :=	$(portdir)/source/blitters.o $(portdir)/source/cdaudio.o $(portdir)/source/dsmain.o \
+PORT_OBJS :=	$(portdir)/source/blitters_arm.o $(portdir)/source/cdaudio.o $(portdir)/source/dsmain.o \
 		$(portdir)/../../../fs/ds/ds-fs.o $(portdir)/source/gbampsave.o $(portdir)/source/scummhelp.o\
 		$(portdir)/source/osystem_ds.o $(portdir)/source/portdefs.o $(portdir)/source/ramsave.o\
 		$(portdir)/source/scummconsole.o $(portdir)/source/touchkeyboard.o $(portdir)/source/zipreader.o\
@@ -423,8 +426,8 @@ endif
 
 #---------------------------------------------------------------------------------
 %.nds: %.bin
-	@echo ndstool -c $@ -9 scummvm.bin $(ARM7BIN) -b ../../$(LOGO) "$(shell basename $@);ScummVM 0.10.0;DS Port"
-	ndstool -c $@ -9 scummvm.bin $(ARM7BIN) -b ../../$(LOGO) "$(shell basename $@);ScummVM 0.10.0;DS Port"
+	@echo ndstool -c $@ -9 scummvm.bin $(ARM7BIN) -b ../../$(LOGO) "$(shell basename $@);ScummVM 0.11.0;DS Port"
+	ndstool -c $@ -9 scummvm.bin $(ARM7BIN) -b ../../$(LOGO) "$(shell basename $@);ScummVM 0.11.0;DS Port"
 	dsbuild $@ -l ../ndsloader.bin
 
 	padbin 16 $(basename $@).ds.gba
diff --git a/backends/platform/ds/arm9/source/blitters.cpp b/backends/platform/ds/arm9/source/blitters.cpp
index ec33a5aab4a..9af3c5d611a 100644
--- a/backends/platform/ds/arm9/source/blitters.cpp
+++ b/backends/platform/ds/arm9/source/blitters.cpp
@@ -1,6 +1,8 @@
-/* ScummVM - Scumm Interpreter
- * Copyright (C) 2005-2006 Neil Millstone
- * Copyright (C) 2006 The ScummVM project
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
diff --git a/backends/platform/ds/arm9/source/dsmain.cpp b/backends/platform/ds/arm9/source/dsmain.cpp
index aafa54e3478..43008a1770f 100644
--- a/backends/platform/ds/arm9/source/dsmain.cpp
+++ b/backends/platform/ds/arm9/source/dsmain.cpp
@@ -21,17 +21,6 @@
  */
  
 
-// - Turn off when quit - Done
-// - Simon and Kyrandia - Done
-// - 200% scale option - Done
-// - Change zoom range - Done
-// - Speed increase! - Done
-// - Fixed bugs in Sky - Done
-// - Change name of ini file and intro screen for build c - Done
-// - Check for existance of zip file in batch file - Done
-// - Add new support - Done
-// - Fix help screen
-
 // - Remove scummconsole.c
 // - Delete files
 // - Fatlib conversion?
@@ -39,38 +28,15 @@
 // - libcartreset
 // - Alternative controls - tap for left click, double for right
 // - Inherit the Earth?
-// - New Supercard, M3 drivers?
 // - Stereo audio?
 // - Delete saves?
 // - Software scaler?
-// - 100% scale
 
-// - Arrow keys cause key events when keyboard enabled - Done
-// - Mouse cursor display - Done
-// - Disable scaler on options menu - Done
-// - Fix scale icons on top screen - Done
-// - Fseek optimisation? - No need
-// - Fix agi hack to be cleaner - done
-// - Fix not typing looong words - Done
-// - Show keyboard by default in AGI games
-// - Fix mouse moving when cursor on keyboard screen - Done
-// - Fix 'fit' thingy always appearing - Done
-// - check cine backbuffer code - Done
-// - Add long filename support - Done
-// - New icons
-// - Add key config for gob engine: Start:F1, Shift-numbers: F keys - Done
-// - Fix [ds] appearing in game menu
-
-// - Find out what's going wrong when you turn the console off
-// - enable console when asserting
-
-// - AGI: Adding keyboard hack
-// - CINE: Framebuffer modification should check if it works without, fix for overwrite crash
-// - KYRA: GetFileSize modification
+// - Alternative controls?
 
 
-//#define USE_LIBCARTRESET
-//#define USE_BUILT_IN_DRIVER_SELECTION
+
+#define USE_LIBCARTRESET
 
 #include <nds.h>
 
@@ -102,7 +68,7 @@
 #include "cartreset_nolibfat.h"
 #include "keys.h"
 #include "profiler/cyg-profile.h"
-//test
+#include "blitters.h"
 
 namespace DS {
 
@@ -245,7 +211,7 @@ gameListType gameList[NUM_SUPPORTED_GAMES] = {
 	{"sky",			CONT_SKY},
 	{"simon1",		CONT_SIMON},
 	{"simon2",		CONT_SIMON},
-	{"gob",		CONT_GOBLINS},
+	{"gob1",		CONT_SCUMM_ORIGINAL},
 	{"queen",		CONT_SCUMM_ORIGINAL},
 	{"cine",		CONT_FUTURE_WARS},
 	{"agi",			CONT_AGI}
@@ -441,7 +407,7 @@ void initGame() {
 
 	//strcpy(gameName, ConfMan.getActiveDomain().c_str());
 	strcpy(gameName, ConfMan.get("gameid").c_str());
-	//consolePrintf("\n\n\n\nCurrent game: '%s' %d\n", gameName, gameName[0]);
+	consolePrintf("\n\n\n\nCurrent game: '%s' %d\n", gameName, gameName[0]);
 
 	currentGame = &gameList[0];		// Default game
 	
@@ -962,25 +928,25 @@ void addIndyFightingKeys() {
 
 	if ((getKeysChanged() & KEY_UP)) {
 		event.type = getKeyEvent(KEY_UP);
-		event.kbd.keycode = '8';
+		event.kbd.keycode = Common::KEYCODE_8;
 		event.kbd.ascii = '8';
 		system->addEvent(event);
 	}
 	if ((getKeysChanged() & KEY_LEFT)) {
 		event.type = getKeyEvent(KEY_LEFT);
-		event.kbd.keycode = '4';
+		event.kbd.keycode = Common::KEYCODE_4;
 		event.kbd.ascii = '4';
 		system->addEvent(event);
 	}
 	if ((getKeysChanged() & KEY_RIGHT)) {
 		event.type = getKeyEvent(KEY_RIGHT);
-		event.kbd.keycode = '6';
+		event.kbd.keycode = Common::KEYCODE_6;
 		event.kbd.ascii = '6';
 		system->addEvent(event);
 	}	
 	if ((getKeysChanged() & KEY_DOWN)) {
 		event.type = getKeyEvent(KEY_DOWN);
-		event.kbd.keycode = '2';
+		event.kbd.keycode = Common::KEYCODE_2;
 		event.kbd.ascii = '2';
 		system->addEvent(event);
 	}
@@ -989,19 +955,19 @@ void addIndyFightingKeys() {
 	
 		if ((getKeysChanged() & KEY_X)) {
 			event.type = getKeyEvent(KEY_X);
-			event.kbd.keycode = '9';
+			event.kbd.keycode = Common::KEYCODE_9;
 			event.kbd.ascii = '9';
 			system->addEvent(event);
 		}
 		if ((getKeysChanged() & KEY_A)) {
 			event.type = getKeyEvent(KEY_A);
-			event.kbd.keycode = '6';
+			event.kbd.keycode = Common::KEYCODE_6;
 			event.kbd.ascii = '6';
 			system->addEvent(event);
 		}
 		if ((getKeysChanged() & KEY_B)) {
 			event.type = getKeyEvent(KEY_B);
-			event.kbd.keycode = '3';
+			event.kbd.keycode = Common::KEYCODE_3;
 			event.kbd.ascii = '3';
 			system->addEvent(event);
 		}	
@@ -1010,19 +976,19 @@ void addIndyFightingKeys() {
 
 		if ((getKeysChanged() & KEY_X)) {
 			event.type = getKeyEvent(KEY_X);
-			event.kbd.keycode = '7';
+			event.kbd.keycode = Common::KEYCODE_7;
 			event.kbd.ascii = '7';
 			system->addEvent(event);
 		}
 		if ((getKeysChanged() & KEY_A)) {
 			event.type = getKeyEvent(KEY_A);
-			event.kbd.keycode = '4';
+			event.kbd.keycode = Common::KEYCODE_4;
 			event.kbd.ascii = '4';
 			system->addEvent(event);
 		}
 		if ((getKeysChanged() & KEY_B)) {
 			event.type = getKeyEvent(KEY_B);
-			event.kbd.keycode = '1';
+			event.kbd.keycode = Common::KEYCODE_1;
 			event.kbd.ascii = '1';
 			system->addEvent(event);
 		}	
@@ -1032,7 +998,7 @@ void addIndyFightingKeys() {
 	
 	if ((getKeysChanged() & KEY_Y)) {
 		event.type = getKeyEvent(KEY_Y);
-		event.kbd.keycode = '5';
+		event.kbd.keycode = Common::KEYCODE_5;
 		event.kbd.ascii = '5';
 		system->addEvent(event);
 	}
@@ -1143,7 +1109,7 @@ void addEventsToQueue() {
 			if (!indyFightState) {
 
 				if ((!(getKeysHeld() & KEY_L)) && (!(getKeysHeld() & KEY_R)) && (getKeysChanged() & KEY_B)) {	
-					event.kbd.keycode = 27;		
+					event.kbd.keycode = Common::KEYCODE_ESCAPE;		
 					event.kbd.ascii = 27;		
 					event.kbd.flags = 0;
 
@@ -1168,26 +1134,26 @@ void addEventsToQueue() {
 				event.kbd.flags = 0;
 
 				if (getKeysChanged() & KEY_LEFT) {
-					event.kbd.keycode = SDLK_LEFT;
-					event.kbd.ascii = SDLK_LEFT;
+					event.kbd.keycode = Common::KEYCODE_LEFT;
+					event.kbd.ascii = 0;
 					event.type = getKeyEvent(KEY_LEFT);
 				}
 
 				if (getKeysChanged() & KEY_RIGHT) {
-					event.kbd.keycode = SDLK_RIGHT;
-					event.kbd.ascii = SDLK_RIGHT;
+					event.kbd.keycode = Common::KEYCODE_RIGHT;
+					event.kbd.ascii = 0;
 					event.type = getKeyEvent(KEY_RIGHT);
 				}
 
 				if (getKeysChanged() & KEY_UP) {
-					event.kbd.keycode = SDLK_UP;
-					event.kbd.ascii = SDLK_UP;
+					event.kbd.keycode = Common::KEYCODE_UP;
+					event.kbd.ascii = 0;
 					event.type = getKeyEvent(KEY_UP);
 				}
 
 				if (getKeysChanged() & KEY_DOWN) {
-					event.kbd.keycode = SDLK_DOWN;
-					event.kbd.ascii = SDLK_DOWN;
+					event.kbd.keycode = Common::KEYCODE_DOWN;
+					event.kbd.ascii = 0;
 					event.type = getKeyEvent(KEY_DOWN);
 				}
 					
@@ -1323,8 +1289,8 @@ void addEventsToQueue() {
 						Common::Event event;
 					
 						event.type = getKeyEvent(KEY_DOWN);
-						event.kbd.keycode = '#';		// F10 or # - show hotspots
-						event.kbd.ascii = '#';
+						event.kbd.keycode = Common::KEYCODE_F10;		// F10 or # - show hotspots
+						event.kbd.ascii = Common::ASCII_F10;
 						event.kbd.flags = 0;
 						system->addEvent(event);
 //						consolePrintf("F10\n");
@@ -1337,7 +1303,7 @@ void addEventsToQueue() {
 						Common::Event event;
 					
 						event.type = getKeyEvent(KEY_DOWN);
-						event.kbd.keycode = '.';		// Full stop - skips current dialogue line
+						event.kbd.keycode = Common::KEYCODE_PERIOD;		// Full stop - skips current dialogue line
 						event.kbd.ascii = '.';
 						event.kbd.flags = 0;
 						system->addEvent(event);
@@ -1397,6 +1363,7 @@ void addEventsToQueue() {
 //				consolePrintf("!!!!!F5!!!!!");
 			}
 			event.kbd.flags = 0;
+			consolePrintf("!!!!!F5!!!!!");
 			system->addEvent(event);
 		}
 
diff --git a/backends/platform/ds/arm9/source/dsoptions.cpp b/backends/platform/ds/arm9/source/dsoptions.cpp
index b29b1d9fa70..041b1ba0c64 100644
--- a/backends/platform/ds/arm9/source/dsoptions.cpp
+++ b/backends/platform/ds/arm9/source/dsoptions.cpp
@@ -197,7 +197,7 @@ void togglePause() {
 		OSystem_DS* system = OSystem_DS::instance();
 
 		event.type = Common::EVENT_KEYDOWN;
-		event.kbd.keycode = 'p';		
+		event.kbd.keycode = Common::KEYCODE_p;		
 		event.kbd.ascii = 'p';
 		event.kbd.flags = 0;
 		system->addEvent(event);
diff --git a/backends/platform/ds/arm9/source/osystem_ds.cpp b/backends/platform/ds/arm9/source/osystem_ds.cpp
index 32eafe1af7d..39413d0723c 100644
--- a/backends/platform/ds/arm9/source/osystem_ds.cpp
+++ b/backends/platform/ds/arm9/source/osystem_ds.cpp
@@ -152,6 +152,24 @@ void OSystem_DS::setPalette(const byte *colors, uint start, uint num) {
 	}
 }
 
+bool OSystem_DS::grabRawScreen(Graphics::Surface* surf) {
+	surf->create(DS::getGameWidth(), DS::getGameHeight(), 1);
+
+	// Ensure we copy using 16 bit quantities due to limitation of VRAM addressing
+	
+
+	u16* image = (u16 *) DS::get8BitBackBuffer();
+	for (int y = 0; y <  DS::getGameHeight(); y++)
+	{
+		DC_FlushRange(image + (y << 8), DS::getGameWidth());
+		for (int x = 0; x < DS::getGameWidth() >> 1; x++)
+		{
+			*(((u16 *) (surf->pixels)) + y * (DS::getGameWidth() >> 1) + x) = image[y << 8 + x];
+		}
+	}
+
+	return true;
+}
 
 void OSystem_DS::grabPalette(unsigned char *colors, uint start, uint num) {
 //	consolePrintf("Grabpalette");
@@ -325,7 +343,7 @@ bool OSystem_DS::pollEvent(Common::Event &event)
 			// So we make it something harmless which won't cause any adverse effects.
 			event.type = Common::EVENT_KEYUP;
 			event.kbd.ascii = 0;
-			event.kbd.keycode = 0;
+			event.kbd.keycode = Common::KEYCODE_INVALID;
 			event.kbd.flags = 0;
 //			consolePrintf("type: %d\n", event.type);
 			return false;
@@ -478,25 +496,36 @@ Common::SaveFileManager* OSystem_DS::getSavefileManager()
 	}
 }
 
-bool OSystem_DS::grabRawScreen(Graphics::Surface* surf) {
-	surf->create(DS::getGameWidth(), DS::getGameHeight(), 1);
+Graphics::Surface *OSystem_DS::lockScreen() {
+/*	// For now, we create a full temporary screen surface, to which we copy the
+	// the screen content. Later unlockScreen will copy everything back.
+	// Not very nice nor efficient, but at least works, and is not worse
+	// than in the bad old times where we used grabRawScreen + copyRectToScreen.
+	
+	_framebuffer.create(DS::getGameWidth(), DS::getGameHeight(), 1);
 
 	// Ensure we copy using 16 bit quantities due to limitation of VRAM addressing
 	
-    size_t imageStrideInBytes = DS::isCpuScalerEnabled()? DS::getGameWidth() : 512;
-    size_t imageStrideInWords = imageStrideInBytes / 2;
 
 	u16* image = (u16 *) DS::get8BitBackBuffer();
 	for (int y = 0; y <  DS::getGameHeight(); y++)
 	{
-		DC_FlushRange(image + (y * imageStrideInWords), DS::getGameWidth());
+		DC_FlushRange(image + (y << 8), DS::getGameWidth());
 		for (int x = 0; x < DS::getGameWidth() >> 1; x++)
 		{
-			*(((u16 *) (surf->pixels)) + y * (DS::getGameWidth() >> 1) + x) = image[y * imageStrideInWords + x];
+			*(((u16 *) (_framebuffer.pixels)) + y * (DS::getGameWidth() >> 1) + x) = image[y << 8 + x];
 		}
 	}
 
-	return true;
+	return &_framebuffer;*/
+}
+
+void OSystem_DS::unlockScreen() {
+/*	// Copy temp framebuffer back to screen
+	copyRectToScreen((byte *)_framebuffer.pixels, _framebuffer.pitch, 0, 0, _framebuffer.w, _framebuffer.h);
+
+	// Free memory
+	_framebuffer.free(); */
 }
 
 void OSystem_DS::setFocusRectangle(const Common::Rect& rect) {
@@ -524,3 +553,5 @@ OSystem *OSystem_DS_create() {
 	return new OSystem_DS();
 }
 
+
+
diff --git a/backends/platform/ds/arm9/source/osystem_ds.h b/backends/platform/ds/arm9/source/osystem_ds.h
index d943a362ca7..512617170bd 100644
--- a/backends/platform/ds/arm9/source/osystem_ds.h
+++ b/backends/platform/ds/arm9/source/osystem_ds.h
@@ -31,6 +31,7 @@
 #include "backends/saves/default/default-saves.h"
 #include "backends/timer/default/default-timer.h"
 #include "sound/mixer.h"
+#include "graphics/surface.h"
 
 class DSAudioMixer : public Audio::Mixer {	
 };
@@ -53,9 +54,12 @@ public:
 	GBAMPSaveFileManager mpSaveManager;
 	DSAudioMixer* _mixer;
 	DSTimerManager* _timer;
+	Graphics::Surface _framebuffer;
+
 
 	static OSystem_DS* _instance;
 
+
 	
 	typedef void (*SoundProc)(void *param, byte *buf, int len);
 	typedef int  (*TimerProc)(int interval);
@@ -137,6 +141,9 @@ public:
 	
 	virtual void initBackend();
 	
+	virtual Graphics::Surface *lockScreen();
+	virtual void unlockScreen();
+	
 	virtual Audio::Mixer* getMixer() { return _mixer; }
 	virtual Common::TimerManager* getTimerManager() { return _timer; }
 	static int timerHandler(int t);
diff --git a/backends/platform/ds/arm9/source/touchkeyboard.cpp b/backends/platform/ds/arm9/source/touchkeyboard.cpp
index 26f03ca9d1f..26807bfa6a0 100644
--- a/backends/platform/ds/arm9/source/touchkeyboard.cpp
+++ b/backends/platform/ds/arm9/source/touchkeyboard.cpp
@@ -338,7 +338,7 @@ void updateTypeEvents()
 		Common::Event event;
    		OSystem_DS* system = OSystem_DS::instance();
 	
-		event.kbd.keycode = autoCompleteBuffer[0];
+		event.kbd.keycode = (Common::KeyCode) autoCompleteBuffer[0];
 		event.kbd.ascii = autoCompleteBuffer[0];
 		event.type = Common::EVENT_KEYDOWN;
 		event.kbd.flags = 0;
@@ -402,9 +402,9 @@ void addKeyboardEvents() {
 
 					if (!DS::shiftState) {
 						event.kbd.ascii = keys[r].character;
-						event.kbd.keycode = 0;
+						event.kbd.keycode = Common::KEYCODE_INVALID;
 					} else {
-						event.kbd.keycode = SDLK_F1 - (keys[r].character - '1');
+						event.kbd.keycode = (Common::KeyCode) (Common::KEYCODE_F1 - (keys[r].character - '1'));
 						event.kbd.ascii = 0;
 					}					
 				
@@ -416,10 +416,10 @@ void addKeyboardEvents() {
 						event.kbd.ascii = keys[r].character;
 					}
 					
-					event.kbd.keycode = event.kbd.ascii;
+					event.kbd.keycode = (Common::KeyCode) event.kbd.ascii;
 				} else {
 					event.kbd.ascii = keys[r].character;
-					event.kbd.keycode = keys[r].character;
+					event.kbd.keycode = (Common::KeyCode) keys[r].character;
 				}