diff --git a/libctru/include/ctr/GSP.h b/libctru/include/ctr/GSP.h
index b38bd23..3b16f2e 100644
--- a/libctru/include/ctr/GSP.h
+++ b/libctru/include/ctr/GSP.h
@@ -3,13 +3,26 @@
 
 #define GSP_REBASE_REG(r) ((r)-0x1EB00000)
 
+typedef struct
+{
+	u32 active_framebuf;//"0=first, 1=second"
+	u32 *framebuf0_vaddr;//"Framebuffer virtual address, for the main screen this is the 3D left framebuffer"
+	u32 *framebuf1_vaddr;//"For the main screen: 3D right framebuffer address"
+	u32 framebuf_widthbytesize;//"Value for 0x1EF00X90, controls framebuffer width"
+	u32 format;//"Framebuffer format, this u16 is written to the low u16 for LCD register 0x1EF00X70."
+	u32 framebuf_dispselect;//"Value for 0x1EF00X78, controls which framebuffer is displayed"
+	u32 unk;//"?"
+} GSP_FramebufferInfo;
+
 Result gspInit();
 void gspExit();
 
 Result GSPGPU_AcquireRight(Handle *handle, u8 flags);
 Result GSPGPU_ReleaseRight(Handle *handle);
 Result GSPGPU_SetLcdForceBlack(Handle *handle, u8 flags);
+Result GSPGPU_SetBufferSwap(Handle* handle, u32 screenid, GSP_FramebufferInfo *framebufinfo);
 Result GSPGPU_FlushDataCache(Handle *handle, u8* adr, u32 size);
+Result GSPGPU_InvalidateDataCache(Handle* handle, u8 *adr, u32 size);
 Result GSPGPU_WriteHWRegs(Handle *handle, u32 regAddr, u32* data, u8 size);
 Result GSPGPU_WriteHWRegsWithMask(Handle* handle, u32 regAddr, u32* data, u8 datasize, u32* maskdata, u8 masksize);
 Result GSPGPU_ReadHWRegs(Handle *handle, u32 regAddr, u32* data, u8 size);
diff --git a/libctru/source/GSP.c b/libctru/source/GSP.c
index c71e107..ea557eb 100644
--- a/libctru/source/GSP.c
+++ b/libctru/source/GSP.c
@@ -61,6 +61,22 @@ Result GSPGPU_SetLcdForceBlack(Handle* handle, u8 flags)
 	return cmdbuf[1];
 }
 
+Result GSPGPU_SetBufferSwap(Handle* handle, u32 screenid, GSP_FramebufferInfo *framebufinfo)
+{
+	Result ret=0;
+	u32 *cmdbuf = getThreadCommandBuffer();
+
+	if(!handle)handle=&gspGpuHandle;
+
+	cmdbuf[0] = 0x00050200;
+	cmdbuf[1] = screenid;
+	memcpy(&cmdbuf[2], framebufinfo, sizeof(GSP_FramebufferInfo));
+	
+	if((ret=svc_sendSyncRequest(*handle)))return ret;
+
+	return cmdbuf[1];
+}
+
 Result GSPGPU_FlushDataCache(Handle* handle, u8* adr, u32 size)
 {
 	if(!handle)handle=&gspGpuHandle;
@@ -78,6 +94,24 @@ Result GSPGPU_FlushDataCache(Handle* handle, u8* adr, u32 size)
 	return cmdbuf[1];
 }
 
+Result GSPGPU_InvalidateDataCache(Handle* handle, u8 *adr, u32 size)
+{
+	Result ret=0;
+	u32 *cmdbuf = getThreadCommandBuffer();
+
+	if(!handle)handle=&gspGpuHandle;
+
+	cmdbuf[0] = 0x00090082;
+	cmdbuf[1] = (u32)adr;
+	cmdbuf[2] = size;
+	cmdbuf[3] = 0;
+	cmdbuf[4] = 0xFFFF8001;
+
+	if((ret=svc_sendSyncRequest(*handle)))return ret;
+
+	return cmdbuf[1];
+}
+
 Result GSPGPU_WriteHWRegs(Handle* handle, u32 regAddr, u32* data, u8 size)
 {
 	if(!handle)handle=&gspGpuHandle;