diff --git a/rpcs3/Emu/SysCalls/ModuleManager.cpp b/rpcs3/Emu/SysCalls/ModuleManager.cpp
index bb5609cbc7..17cdd88a60 100644
--- a/rpcs3/Emu/SysCalls/ModuleManager.cpp
+++ b/rpcs3/Emu/SysCalls/ModuleManager.cpp
@@ -38,6 +38,7 @@ extern void cellRtc_init(Module *pxThis);
 extern void cellSail_init(Module *pxThis);
 extern void cellSpurs_init(Module *pxThis);
 extern void cellSpursJq_init(Module *pxThis);
+extern void cellSubdisplay_init(Module *pxThis);
 extern void cellSync_init(Module *pxThis);
 extern void cellSync2_init(Module *pxThis);
 extern void cellSysutil_init(Module *pxThis);
@@ -125,7 +126,7 @@ static const g_modules_list[] =
 	{ 0x0031, "cellAvconfExt", cellAvconfExt_init, nullptr, nullptr },
 	{ 0x0032, "cellUserInfo", cellUserInfo_init, nullptr, nullptr },
 	{ 0x0033, "cellSysutilSavedata", nullptr, nullptr, nullptr },
-	{ 0x0034, "cellSubdisplay", nullptr, nullptr, nullptr },
+	{ 0x0034, "cellSubdisplay", cellSubdisplay_init, nullptr, nullptr },
 	{ 0x0035, "cellSysutilRec", nullptr, nullptr, nullptr },
 	{ 0x0036, "cellVideoExport", nullptr, nullptr, nullptr },
 	{ 0x0037, "cellGameExec", nullptr, nullptr, nullptr },
diff --git a/rpcs3/Emu/SysCalls/Modules/cellSubdisplay.cpp b/rpcs3/Emu/SysCalls/Modules/cellSubdisplay.cpp
index ff0612316b..98f71097f4 100644
--- a/rpcs3/Emu/SysCalls/Modules/cellSubdisplay.cpp
+++ b/rpcs3/Emu/SysCalls/Modules/cellSubdisplay.cpp
@@ -1,21 +1,10 @@
 #include "stdafx.h"
-#if 0
+#include "Emu/Memory/Memory.h"
+#include "Emu/SysCalls/Modules.h"
 
-void cellSubdisplay_init();
-Module cellSubdisplay(0x0034, cellSubdisplay_init);
+#include "cellSubdisplay.h"
 
-// Return Codes
-enum
-{
-	CELL_SUBDISPLAY_ERROR_OUT_OF_MEMORY    = 0x80029851,
-	CELL_SUBDISPLAY_ERROR_FATAL            = 0x80029852,
-	CELL_SUBDISPLAY_ERROR_NOT_FOUND        = 0x80029853,
-	CELL_SUBDISPLAY_ERROR_INVALID_VALUE    = 0x80029854,
-	CELL_SUBDISPLAY_ERROR_NOT_INITIALIZED  = 0x80029855,
-	CELL_SUBDISPLAY_ERROR_SET_SAMPLE       = 0x80029860,
-	CELL_SUBDISPLAY_ERROR_AUDIOOUT_IS_BUSY = 0x80029861,
-	CELL_SUBDISPLAY_ERROR_ZERO_REGISTERED  = 0x80029813,
-};
+Module *cellSubdisplay = nullptr;
 
 int cellSubDisplayInit()
 {
@@ -29,10 +18,18 @@ int cellSubDisplayEnd()
 	return CELL_OK;
 }
 
-int cellSubDisplayGetRequiredMemory()
+int cellSubDisplayGetRequiredMemory(vm::ptr<CellSubDisplayParam> pParam)
 {
-	UNIMPLEMENTED_FUNC(cellSubdisplay);
-	return CELL_OK;
+	cellSubdisplay->Warning("cellSubDisplayGetRequiredMemory(pParam_addr=0x%x)", pParam.addr());
+
+	if (pParam->version == CELL_SUBDISPLAY_VERSION_0002)
+	{
+		return CELL_SUBDISPLAY_0002_MEMORY_CONTAINER_SIZE;
+	}
+	else
+	{
+		return CELL_SUBDISPLAY_0001_MEMORY_CONTAINER_SIZE;
+	}
 }
 
 int cellSubDisplayStart()
@@ -77,19 +74,20 @@ int cellSubDisplayGetPeerList()
 	return CELL_OK;
 }
 
-void cellSubdisplay_init()
+void cellSubdisplay_init(Module *pxThis)
 {
-	cellSubdisplay.AddFunc(0xf9a7e8a5, cellSubDisplayInit);
-	cellSubdisplay.AddFunc(0x551d80a5, cellSubDisplayEnd);
-	cellSubdisplay.AddFunc(0x6595ce22, cellSubDisplayGetRequiredMemory);
-	cellSubdisplay.AddFunc(0xa5bccb47, cellSubDisplayStart);
-	cellSubdisplay.AddFunc(0x6d85ddb3, cellSubDisplayStop);
+	cellSubdisplay = pxThis;
 
-	cellSubdisplay.AddFunc(0x938ac642, cellSubDisplayGetVideoBuffer);
-	cellSubdisplay.AddFunc(0xaee1e0c2, cellSubDisplayAudioOutBlocking);
-	cellSubdisplay.AddFunc(0x5468d6b0, cellSubDisplayAudioOutNonBlocking);
+	cellSubdisplay->AddFunc(0xf9a7e8a5, cellSubDisplayInit);
+	cellSubdisplay->AddFunc(0x551d80a5, cellSubDisplayEnd);
+	cellSubdisplay->AddFunc(0x6595ce22, cellSubDisplayGetRequiredMemory);
+	cellSubdisplay->AddFunc(0xa5bccb47, cellSubDisplayStart);
+	cellSubdisplay->AddFunc(0x6d85ddb3, cellSubDisplayStop);
 
-	cellSubdisplay.AddFunc(0x8a264d71, cellSubDisplayGetPeerNum);
-	cellSubdisplay.AddFunc(0xe2485f79, cellSubDisplayGetPeerList);
+	cellSubdisplay->AddFunc(0x938ac642, cellSubDisplayGetVideoBuffer);
+	cellSubdisplay->AddFunc(0xaee1e0c2, cellSubDisplayAudioOutBlocking);
+	cellSubdisplay->AddFunc(0x5468d6b0, cellSubDisplayAudioOutNonBlocking);
+
+	cellSubdisplay->AddFunc(0x8a264d71, cellSubDisplayGetPeerNum);
+	cellSubdisplay->AddFunc(0xe2485f79, cellSubDisplayGetPeerList);
 }
-#endif
diff --git a/rpcs3/Emu/SysCalls/Modules/cellSubdisplay.h b/rpcs3/Emu/SysCalls/Modules/cellSubdisplay.h
new file mode 100644
index 0000000000..8321a606c0
--- /dev/null
+++ b/rpcs3/Emu/SysCalls/Modules/cellSubdisplay.h
@@ -0,0 +1,83 @@
+#pragma once
+
+// Return Codes
+enum
+{
+	CELL_SUBDISPLAY_ERROR_OUT_OF_MEMORY    = 0x80029851,
+	CELL_SUBDISPLAY_ERROR_FATAL            = 0x80029852,
+	CELL_SUBDISPLAY_ERROR_NOT_FOUND        = 0x80029853,
+	CELL_SUBDISPLAY_ERROR_INVALID_VALUE    = 0x80029854,
+	CELL_SUBDISPLAY_ERROR_NOT_INITIALIZED  = 0x80029855,
+	CELL_SUBDISPLAY_ERROR_SET_SAMPLE       = 0x80029860,
+	CELL_SUBDISPLAY_ERROR_AUDIOOUT_IS_BUSY = 0x80029861,
+	CELL_SUBDISPLAY_ERROR_ZERO_REGISTERED  = 0x80029813,
+};
+
+// Different constants
+enum
+{
+	CELL_SUBDISPLAY_STATUS_JOIN                = 1,
+	CELL_SUBDISPLAY_STATUS_LEAVE               = 2,
+	CELL_SUBDISPLAY_STATUS_FATALERROR          = 3,
+	CELL_SUBDISPLAY_VERSION_0001               = 1,
+	CELL_SUBDISPLAY_VERSION_0002               = 2,
+	CELL_SUBDISPLAY_MODE_REMOTEPLAY            = 1,
+	CELL_SUBDISPLAY_VIDEO_FORMAT_A8R8G8B8      = 1,
+	CELL_SUBDISPLAY_VIDEO_FORMAT_R8G8B8A8      = 2,
+	CELL_SUBDISPLAY_VIDEO_ASPECT_RATIO_16_9    = 0,
+	CELL_SUBDISPLAY_VIDEO_ASPECT_RATIO_4_3     = 1,
+	CELL_SUBDISPLAY_VIDEO_MODE_SETDATA         = 0,
+	CELL_SUBDISPLAY_VIDEO_MODE_CAPTURE         = 1,
+	CELL_SUBDISPLAY_AUDIO_MODE_SETDATA         = 0,
+	CELL_SUBDISPLAY_AUDIO_MODE_CAPTURE         = 1,
+	CELL_SUBDISPLAY_0001_MEMORY_CONTAINER_SIZE = 8 * 1024 * 1024,
+	CELL_SUBDISPLAY_0002_MEMORY_CONTAINER_SIZE = 10 * 1024 * 1024,
+	CELL_SUBDISPLAY_NICKNAME_LEN               = 256,
+	CELL_SUBDISPLAY_PSPID_LEN                  = 16,
+};
+
+struct CellSubDisplayVideoParam
+{
+	be_t<s32> format;
+	be_t<s32> width;
+	be_t<s32> height;
+	be_t<s32> pitch;
+	be_t<s32> aspectRatio;
+	be_t<s32> videoMode;
+};
+
+struct CellSubDisplayAudioParam
+{
+	be_t<s32> ch;
+	be_t<s32> audioMode;
+};
+
+struct CellSubDisplayParam
+{
+	be_t<s32> version;
+	be_t<s32> mode;
+	be_t<s32> nGroup;
+	be_t<s32> nPeer;
+	vm::ptr<CellSubDisplayVideoParam> videoParam;
+	vm::ptr<CellSubDisplayAudioParam> audioParam;
+};
+
+struct CellSubDisplayPSPId
+{
+	char data[CELL_SUBDISPLAY_PSPID_LEN];
+};
+
+struct CellSubDisplayNickname
+{
+	char data[CELL_SUBDISPLAY_NICKNAME_LEN];
+};
+
+struct CellSubDisplayPeerInfo
+{
+	be_t<u64> sessionId;
+	be_t<u32> portNo;
+	CellSubDisplayPSPId pspId;
+	CellSubDisplayNickname pspNickname;
+};
+
+typedef void(*CellSubDisplayHandler)(s32 cbMsg, u64 cbParam, u32 *userdata);
\ No newline at end of file
diff --git a/rpcs3/emucore.vcxproj b/rpcs3/emucore.vcxproj
index dcaf0010f5..65060fbd04 100644
--- a/rpcs3/emucore.vcxproj
+++ b/rpcs3/emucore.vcxproj
@@ -194,10 +194,10 @@
     <ClCompile Include="Emu\SysCalls\Modules\cellPngDec.cpp" />
     <ClCompile Include="Emu\SysCalls\Modules\cellPngEnc.cpp" />
     <ClCompile Include="Emu\SysCalls\Modules\cellPrint.cpp" />
-    <ClCompile Include="Emu\SysCalls\Modules\cellSail.cpp" />
     <ClCompile Include="Emu\SysCalls\Modules\cellResc.cpp" />
     <ClCompile Include="Emu\SysCalls\Modules\cellRtc.cpp" />
     <ClCompile Include="Emu\SysCalls\Modules\cellRudp.cpp" />
+    <ClCompile Include="Emu\SysCalls\Modules\cellSail.cpp" />
     <ClCompile Include="Emu\SysCalls\Modules\cellSailRec.cpp" />
     <ClCompile Include="Emu\SysCalls\Modules\cellScreenshot.cpp" />
     <ClCompile Include="Emu\SysCalls\Modules\cellSearch.cpp" />
@@ -425,11 +425,12 @@
     <ClInclude Include="Emu\SysCalls\Modules\cellPamf.h" />
     <ClInclude Include="Emu\SysCalls\Modules\cellPng.h" />
     <ClInclude Include="Emu\SysCalls\Modules\cellPngDec.h" />
-    <ClInclude Include="Emu\SysCalls\Modules\cellSail.h" />
     <ClInclude Include="Emu\SysCalls\Modules\cellResc.h" />
     <ClInclude Include="Emu\SysCalls\Modules\cellRtc.h" />
+    <ClInclude Include="Emu\SysCalls\Modules\cellSail.h" />
     <ClInclude Include="Emu\SysCalls\Modules\cellSpurs.h" />
     <ClInclude Include="Emu\SysCalls\Modules\cellSpursJq.h" />
+    <ClInclude Include="Emu\SysCalls\Modules\cellSubdisplay.h" />
     <ClInclude Include="Emu\SysCalls\Modules\cellSync.h" />
     <ClInclude Include="Emu\SysCalls\Modules\cellSync2.h" />
     <ClInclude Include="Emu\SysCalls\Modules\cellSysutil.h" />
diff --git a/rpcs3/emucore.vcxproj.filters b/rpcs3/emucore.vcxproj.filters
index 01b67c4ce8..6cc6e711d0 100644
--- a/rpcs3/emucore.vcxproj.filters
+++ b/rpcs3/emucore.vcxproj.filters
@@ -209,6 +209,9 @@
     <ClCompile Include="Emu\SysCalls\Modules\cellSpursJq.cpp">
       <Filter>Emu\SysCalls\Modules</Filter>
     </ClCompile>
+    <ClCompile Include="Emu\SysCalls\Modules\cellSubdisplay.cpp">
+      <Filter>Emu\SysCalls\Modules</Filter>
+    </ClCompile>
     <ClCompile Include="Emu\SysCalls\Modules\cellSync.cpp">
       <Filter>Emu\SysCalls\Modules</Filter>
     </ClCompile>
@@ -452,9 +455,6 @@
     <ClCompile Include="Emu\SysCalls\Modules\cellSsl.cpp">
       <Filter>Emu\SysCalls\currently_unused</Filter>
     </ClCompile>
-    <ClCompile Include="Emu\SysCalls\Modules\cellSubdisplay.cpp">
-      <Filter>Emu\SysCalls\currently_unused</Filter>
-    </ClCompile>
     <ClCompile Include="Emu\SysCalls\Modules\cellUsbd.cpp">
       <Filter>Emu\SysCalls\currently_unused</Filter>
     </ClCompile>
@@ -784,6 +784,9 @@
     <ClInclude Include="Emu\SysCalls\Modules\cellSpursJq.h">
       <Filter>Emu\SysCalls\Modules</Filter>
     </ClInclude>
+    <ClInclude Include="Emu\SysCalls\Modules\cellSubdisplay.h">
+      <Filter>Emu\SysCalls\Modules</Filter>
+    </ClInclude>
     <ClInclude Include="Emu\SysCalls\Modules\cellSync.h">
       <Filter>Emu\SysCalls\Modules</Filter>
     </ClInclude>