diff --git a/core/core.mk b/core/core.mk
index 32d48c38b..a3224276c 100755
--- a/core/core.mk
+++ b/core/core.mk
@@ -58,6 +58,8 @@ RZDCY_CFLAGS	:= \
 	-march=armv7-a -mtune=cortex-a8 -mfpu=neon -mfloat-abi=softfp \
 	-frename-registers -fsingle-precision-constant -ffast-math \
 	-ftree-vectorize -fomit-frame-pointer
+	RZDCY_CFLAGS += -march=armv7-a -mtune=cortex-a8 -mfpu=neon
+	RZDCY_CFLAGS += -DTARGET_LINUX_ARMELv7
 else
 RZDCY_CFLAGS	:= \
 	$(CFLAGS) -c -g -O3 -I$(RZDCY_SRC_DIR) -I$(RZDCY_SRC_DIR)/deps \
diff --git a/core/hw/aica/sgc_if.cpp b/core/hw/aica/sgc_if.cpp
index efaac8254..2709e6cd4 100755
--- a/core/hw/aica/sgc_if.cpp
+++ b/core/hw/aica/sgc_if.cpp
@@ -16,6 +16,7 @@
 #define clip_verify(x)
 #endif
 
+//Sound generation, mixin, and channel regs emulation
 //x.15
 s32 volume_lut[16];
 //255 -> mute
diff --git a/core/hw/maple/maple_devs.cpp b/core/hw/maple/maple_devs.cpp
index 49ef11eb7..2a2b6cf4b 100755
--- a/core/hw/maple/maple_devs.cpp
+++ b/core/hw/maple/maple_devs.cpp
@@ -547,7 +547,9 @@ struct maple_sega_vmu: maple_base
 							}
 						}
 						config->SetImage(lcd_data_decoded);
+#ifndef TARGET_PANDORA
 						push_vmu_screen(lcd_data_decoded);
+#endif
 #if 0
 						// Update LCD window
 						if (!dev->lcd.visible)
@@ -799,11 +801,13 @@ struct maple_microphone: maple_base
 					w8(0x04);//status (just the bit for recording)
 					w8(0x0f);//gain (default)
 					w8(0);//exp ?
-
+#ifndef TARGET_PANDORA
 					if(get_mic_data(micdata)){
 						w8(240);//ct (240 samples)
 						wptr(micdata, SIZE_OF_MIC_DATA);
-					}else{
+					}else
+#endif
+					{
 						w8(0);
 					}
 
diff --git a/core/hw/maple/maple_devs.h b/core/hw/maple/maple_devs.h
old mode 100644
new mode 100755
index 7d2146548..c61b77586
--- a/core/hw/maple/maple_devs.h
+++ b/core/hw/maple/maple_devs.h
@@ -30,5 +30,7 @@ struct maple_device
 
 maple_device* maple_Create(MapleDeviceType type);
 #define SIZE_OF_MIC_DATA	480 //ALSO DEFINED IN SipEmulator.java
+#ifndef TARGET_PANDORA
 int get_mic_data(u8* buffer); //implemented in Android.cpp
 int push_vmu_screen(u8* buffer); //implemented in Android.cpp
+#endif
diff --git a/core/hw/pvr/Renderer_if.cpp b/core/hw/pvr/Renderer_if.cpp
index 348c7a030..baae01283 100644
--- a/core/hw/pvr/Renderer_if.cpp
+++ b/core/hw/pvr/Renderer_if.cpp
@@ -85,7 +85,7 @@ bool rend_single_frame()
 
 	bool proc = rend->Process(_pvrrc);
 	re.Set();
-
+	
 	bool do_swp = proc && rend->Render();
 		
 	if (do_swp)
@@ -196,7 +196,7 @@ void rend_start_render()
 void rend_end_render()
 {
 #if 1 //also disabled the printf, it takes quite some time ...
-	#if HOST_OS!=OS_WINDOWS && !defined(_ANDROID)
+	#if HOST_OS!=OS_WINDOWS && !(defined(_ANDROID) || defined(TARGET_PANDORA))
 		if (!re.state) printf("Render > Extended time slice ...\n");
 	#endif
 #endif
diff --git a/core/hw/pvr/ta_ctx.cpp b/core/hw/pvr/ta_ctx.cpp
index c01164281..cee1c7835 100644
--- a/core/hw/pvr/ta_ctx.cpp
+++ b/core/hw/pvr/ta_ctx.cpp
@@ -4,6 +4,9 @@
 extern u32 fskip;
 extern u32 FrameCount;
 
+int frameskip=0;
+bool FrameSkipping=false;		// global switch to enable/disable frameskip
+
 TA_context* ta_ctx;
 tad_context ta_tad;
 
@@ -75,6 +78,13 @@ bool QueueRender(TA_context* ctx)
 {
 	verify(ctx != 0);
 	
+	if (FrameSkipping && frameskip) {
+ 		frameskip=1-frameskip;
+		tactx_Recycle(ctx);
+		fskip++;
+		return false;
+ 	}
+ 	
 	if (rqueue) {
 		tactx_Recycle(ctx);
 		fskip++;
diff --git a/core/nullDC.cpp b/core/nullDC.cpp
index 7d84454c0..0ce14dffe 100755
--- a/core/nullDC.cpp
+++ b/core/nullDC.cpp
@@ -131,7 +131,7 @@ void plugins_Reset(bool Manual)
 
 void* webui_th(void* p)
 {
-	#if HOST_OS == OS_WINDOWS || HOST_OS == OS_LINUX
+	#if (HOST_OS == OS_WINDOWS || HOST_OS == OS_LINUX)  && !defined(TARGET_PANDORA)
 		webui_start();
 	#endif
 
diff --git a/core/sdl/main.cpp b/core/sdl/main.cpp
index a5ba33d56..3a2acb30e 100755
--- a/core/sdl/main.cpp
+++ b/core/sdl/main.cpp
@@ -101,6 +101,8 @@ void emit_WriteCodeCache();
 
 static SDL_Joystick *JoySDL    = 0;
 
+extern bool FrameSkipping;
+
 #ifdef USE_OSS
 static int audio_fd = -1;
 #endif
@@ -222,6 +224,7 @@ bool HandleEvents(u32 port) {
 					case SDLK_k:		KillTex=true; break;
 					case SDLK_n:    if (value) {mouse_use=(mouse_use+1)%4; snprintf(OSD_Info, 128, "Right Nub mode: %s\n", num_mode[mouse_use]); OSD_Delay=300;}; break;  
 					case SDLK_s:        if (value) {settings.aica.NoSound=!settings.aica.NoSound; snprintf(OSD_Info, 128, "Sound %s\n", (settings.aica.NoSound)?"Off":"On"); OSD_Delay=300;};break;
+					case SDLK_f:		if (value) {FrameSkipping=!FrameSkipping; snprintf(OSD_Info, 128, "FrameSkipping %s\n", (FrameSkipping)?"On":"Off"); OSD_Delay=300;};break;	
 					case SDLK_c:    if (value) {OSD_Counter=1-OSD_Counter;};break;
 
 				#else
@@ -502,6 +505,8 @@ int main(int argc, wchar* argv[])
 	#ifdef USE_OSS	
 		init_sound();
 	#endif
+
+	FrameSkipping=false;
 	
 	dc_run();
 	
diff --git a/shell/pandora/Makefile b/shell/pandora/Makefile
index c74059905..88c303fb8 100755
--- a/shell/pandora/Makefile
+++ b/shell/pandora/Makefile
@@ -5,12 +5,23 @@ FOR_ARM :=1
 FOR_PANDORA :=1
 USE_SDL :=1
 USE_OSS :=1
+#PGO_MAKE :=1
+#PGO_USE :=1
+#USE_CCACHE :=1
+
+#USE_CCACHE :=1
+#PGO_MAKE :=1
+#PGO_USE :=1
+#USE_CCACHE :=1
+
+#USE_CCACHE :=1
+
 #PGO_MAKE :=1
 PGO_USE :=1
 
-RZDCY_SRC_DIR = ../../newdc
+RZDCY_SRC_DIR = ../../core
 
-include $(RZDCY_SRC_DIR)/newdc.mk
+include $(RZDCY_SRC_DIR)/core.mk
 
 CC_PREFIX ?=