diff --git a/config/SOUE01/splits.txt b/config/SOUE01/splits.txt
index 6fad7717..0257f5fc 100644
--- a/config/SOUE01/splits.txt
+++ b/config/SOUE01/splits.txt
@@ -324,6 +324,7 @@ d/d_sys.cpp:
 	.text       start:0x80064250 end:0x80064F28 align:16
 	.ctors      start:0x804DB694 end:0x804DB698
 	.sbss       start:0x80575228 end:0x80575248
+	.bss        start:0x805A0720 end:0x805A0778
 
 d/d_sys_init.cpp:
 	.text       start:0x80064F30 end:0x80065034 align:16
diff --git a/config/SOUE01/symbols.txt b/config/SOUE01/symbols.txt
index 20273ecd..17df3c55 100644
--- a/config/SOUE01/symbols.txt
+++ b/config/SOUE01/symbols.txt
@@ -2827,13 +2827,13 @@ beginRender__6dSys_cFv = .text:0x80064300; // type:function size:0x38
 endRender__6dSys_cFv = .text:0x80064340; // type:function size:0x18
 beginFrame__6dSys_cFv = .text:0x80064360; // type:function size:0x68
 EGG__ConfigurationData__onBeginFrame = .text:0x800643D0; // type:function size:0x4
-dSys_c__endFrame = .text:0x800643E0; // type:function size:0x48
+endFrame__6dSys_cFv = .text:0x800643E0; // type:function size:0x48
 EGG__ConfigurationData__onEndFrame = .text:0x80064430; // type:function size:0x4
 setBlack__6dSys_cFb = .text:0x80064440; // type:function size:0x80
 setFrameRate__6dSys_cFUc = .text:0x800644C0; // type:function size:0x10
 getFrameRate__6dSys_cFv = .text:0x800644D0; // type:function size:0x10
 setClearColor__6dSys_cFQ34nw4r2ut5Color = .text:0x800644E0; // type:function size:0x60
-dSys_c__getClearColor = .text:0x80064540; // type:function size:0x14
+getClearColor__6dSys_cFv = .text:0x80064540; // type:function size:0x14
 create__6dSys_cFv = .text:0x80064560; // type:function size:0x3BC
 setPosParam__Q23EGG14CoreControllerFff = .text:0x80064920; // type:function size:0x8
 EGG__TSystem__initialize = .text:0x80064930; // type:function size:0x1F4
diff --git a/include/d/d_sys.h b/include/d/d_sys.h
index 384c5779..2caf7e36 100644
--- a/include/d/d_sys.h
+++ b/include/d/d_sys.h
@@ -6,6 +6,8 @@
 #include "egg/core/eggSystem.h"
 #include "nw4r/ut/ut_Color.h"
 
+typedef EGG::TSystem<EGG::Video, EGG::Display, EGG::XfbManager, EGG::SimpleAudioMgr, EGG::SceneManager, EGG::PerformanceView> System;
+
 class dSndMgr_c;
 
 class dSys_c {
@@ -17,17 +19,19 @@ public:
     static void beginFrame();
     static void endFrame();
 
-    static void setBlack(bool);
+    static bool setBlack(bool);
     /* Frame rate values: 1 - 60fps, 2 - 30fps */
     static void setFrameRate(u8);
     static u8 getFrameRate();
 
     static void setClearColor(nw4r::ut::Color clr);
+    static nw4r::ut::Color getClearColor();
 
     static void create();
     static void execute();
 
-    static EGG::BaseSystem *ms_configuration_p;
+private:
+    static System *ms_configuration_p;
     static EGG::Heap *ms_RootHeapMem1;
     static EGG::Heap *ms_RootHeapMem2;
 };
diff --git a/src/d/d_sys.cpp b/src/d/d_sys.cpp
index fe5a4281..26778af4 100644
--- a/src/d/d_sys.cpp
+++ b/src/d/d_sys.cpp
@@ -17,10 +17,12 @@
 #include "d/lyt/d_lyt_battery.h"
 #include "d/lyt/d_lyt_system_window.h"
 #include "d/snd/d_snd_mgr.h"
-#include "egg/core/eggExpHeap.h"
 #include "egg/core/eggAssertHeap.h"
+#include "egg/core/eggDisplay.h"
+#include "egg/core/eggExpHeap.h"
 #include "egg/core/eggSystem.h"
 #include "egg/core/eggVideo.h"
+#include "egg/gfx/eggStateGX.h"
 #include "f/f_manager.h"
 #include "m/m_dvd.h"
 #include "m/m_heap.h"
@@ -38,23 +40,71 @@
 #include "toBeSorted/arc_managers/layout_arc_manager.h"
 #include "toBeSorted/arc_managers/oarc_manager.h"
 
+#include "rvl/GX.h"
 #include "rvl/OS.h"
 
-EGG::TSystem<EGG::Video, EGG::Display, EGG::XfbManager, EGG::SimpleAudioMgr, EGG::SceneManager, EGG::PerformanceView> SysConfig;
+System SysConfig;
 
-void dSys_c::setBlack(bool on) {
-
-    EGG::Video *video = EGG::BaseSystem::sSystem->getVideo();
-
-    if (video->mFlag.onBit(0) != on) {
-        create();
-    }
-}
+System *dSys_c::ms_configuration_p;
+EGG::Heap *dSys_c::ms_RootHeapMem1;
+EGG::Heap *dSys_c::ms_RootHeapMem2;
 
 char *dummy = "オーディオヒープ"; // "Audio heap"
 extern u32 lbl_80574FA0;
 extern u32 lbl_80574FA4;
 
+void dSys_c::beginRender() {
+    m3d::calcMaterial();
+    ms_configuration_p->mDisplay->beginRender();
+}
+
+void dSys_c::endRender() {
+    ms_configuration_p->mDisplay->endRender();
+}
+
+void dSys_c::beginFrame() {
+    EGG::Display *pDisplay = ms_configuration_p->mDisplay;
+
+    pDisplay->beginFrame();
+    GXSetCopyClear(pDisplay->mClearColor, pDisplay->mClearZ);
+    ms_configuration_p->onBeginFrame();
+}
+
+void dSys_c::endFrame() {
+    ms_configuration_p->mDisplay->endFrame();
+    ms_configuration_p->onEndFrame();
+}
+
+bool dSys_c::setBlack(bool on) {
+    EGG::Display *pDisplay = ms_configuration_p->mDisplay;
+
+    EGG::Video *pVideo = EGG::BaseSystem::sSystem->getVideo();
+
+    if (pVideo->mFlag.onBit(0) != on && pDisplay->mScreenStateFlag.offBit(0)) {
+        pDisplay->mScreenStateFlag.setBit(0);
+        return true;
+    }
+
+    return false;
+}
+
+void dSys_c::setFrameRate(u8 maxRetraces) {
+    ms_configuration_p->mDisplay->mMaxRetraces = maxRetraces;
+}
+
+u8 dSys_c::getFrameRate() {
+    return ms_configuration_p->mDisplay->mMaxRetraces;
+}
+
+void dSys_c::setClearColor(nw4r::ut::Color clr) {
+    ms_configuration_p->mDisplay->setClearColor(clr);
+    EGG::StateGX::s_clearEfb = clr;
+}
+
+nw4r::ut::Color dSys_c::getClearColor() {
+    return ms_configuration_p->mDisplay->getClearColor();
+}
+
 void dSys_c::create() {
     EGG::Heap *pRootHeapMem1;
     EGG::Heap *pRootHeapMem2;
@@ -248,7 +298,9 @@ void dSys_c::execute() {
     }
 
     dHbm::Manage_c::GetInstance()->DrawIcon();
+
     endRender();
+
     dState::fn_80062EB0();
     dState::fn_80062E40();
     dState::fn_80062E50();