diff --git a/config/RSBE01_02/splits.txt b/config/RSBE01_02/splits.txt
index a05434a..7b4769a 100644
--- a/config/RSBE01_02/splits.txt
+++ b/config/RSBE01_02/splits.txt
@@ -58,6 +58,11 @@ sora/gf/gf_keep_fb.cpp:
 sora/gf/gf_memory_util.cpp:
 	.text       start:0x80026474 end:0x80026478
 
+sora/gf/gf_system_callback.cpp:
+	.text       start:0x80038684 end:0x800387AC
+	.ctors      start:0x80406508 end:0x8040650C
+	.sbss       start:0x805A00A0 end:0x805A00A8
+
 sora/mt/mt_prng.cpp:
 	.text       start:0x8003FABC end:0x8003FD5C
 	.ctors      start:0x80406510 end:0x80406514
diff --git a/config/RSBE01_02/symbols.txt b/config/RSBE01_02/symbols.txt
index f967578..fc8eeba 100644
--- a/config/RSBE01_02/symbols.txt
+++ b/config/RSBE01_02/symbols.txt
@@ -2810,10 +2810,10 @@ fn_80038254 = .text:0x80038254; // type:function size:0x278
 fn_800384CC = .text:0x800384CC; // type:function size:0x90
 fn_8003855C = .text:0x8003855C; // type:function size:0x14
 fn_80038570 = .text:0x80038570; // type:function size:0x114
-fn_80038684 = .text:0x80038684; // type:function size:0x30
-fn_800386B4 = .text:0x800386B4; // type:function size:0x68
-fn_8003871C = .text:0x8003871C; // type:function size:0x74
-fn_80038790 = .text:0x80038790; // type:function size:0x1C
+add__26gfReturnStatusCallbackListFP22gfReturnStatusCallback = .text:0x80038684; // type:function size:0x30
+remove__26gfReturnStatusCallbackListFP22gfReturnStatusCallback = .text:0x800386B4; // type:function size:0x68
+process__26gfReturnStatusCallbackListCFv = .text:0x8003871C; // type:function size:0x74
+__sinit_\gf_system_callback_cpp = .text:0x80038790; // type:function size:0x1C scope:local
 fn_800387AC = .text:0x800387AC; // type:function size:0xE4
 fn_80038890 = .text:0x80038890; // type:function size:0x40
 fn_800388D0 = .text:0x800388D0; // type:function size:0xB4
@@ -30654,7 +30654,7 @@ lbl_805A0080 = .sbss:0x805A0080; // type:object size:0x8 data:byte
 lbl_805A0088 = .sbss:0x805A0088; // type:object size:0x8 data:4byte
 lbl_805A0090 = .sbss:0x805A0090; // type:object size:0x8 data:4byte
 lbl_805A0098 = .sbss:0x805A0098; // type:object size:0x8 data:4byte
-lbl_805A00A0 = .sbss:0x805A00A0; // type:object size:0x8 data:4byte
+g_unk805a00a0__32@unnamed@gf_system_callback_cpp@ = .sbss:0x805A00A0; // type:object size:0x8 scope:local data:4byte
 lbl_805A00A8 = .sbss:0x805A00A8; // type:object size:0x2 data:2byte
 lbl_805A00AA = .sbss:0x805A00AA; // type:object size:0x6 data:2byte
 lbl_805A00B0 = .sbss:0x805A00B0; // type:object size:0x8 data:4byte
diff --git a/configure.py b/configure.py
index 5a25074..0bb3bc4 100755
--- a/configure.py
+++ b/configure.py
@@ -292,6 +292,7 @@ def MatchingFor(*versions):
             Object(Matching, "sora/main.cpp"),
             Object(Matching, "sora/gf/gf_3d_scene_event.cpp"),
             Object(Matching, "sora/gf/gf_3d_scene_light_resource.cpp"),
+            Object(Matching, "sora/gf/gf_system_callback.cpp"),
             Object(Matching, "sora/gf/gf_archive_load_thread.cpp"),
             Object(Matching, "sora/gf/gf_archive_file.cpp"),
             Object(Matching, "sora/gf/gf_camera_controller.cpp"),
diff --git a/include/lib/BrawlHeaders b/include/lib/BrawlHeaders
index b8a7ae1..0ec4952 160000
--- a/include/lib/BrawlHeaders
+++ b/include/lib/BrawlHeaders
@@ -1 +1 @@
-Subproject commit b8a7ae16f8b704cc57e3e24b358eb0d6eb48833a
+Subproject commit 0ec495264bc1e2af9a3251d676216a60a57d7732
diff --git a/include/st_starfox/st_starfox.h b/include/st_starfox/st_starfox.h
index 6620766..375284b 100644
--- a/include/st_starfox/st_starfox.h
+++ b/include/st_starfox/st_starfox.h
@@ -1,5 +1,6 @@
 #pragma once
 
+#include <GX/GXTypes.h>
 #include <memory.h>
 #include <types.h>
 #include <gf/gf_archive.h>
@@ -7,6 +8,7 @@
 #include <gr/gr_madein.h>
 #include <gr/gr_tengan_event.h>
 #include <mt/mt_vector.h>
+#include <nw4r/ut/ut_Color.h>
 #include <snd/snd_id.h>
 #include <st/se_util.h>
 #include <st/stage.h>
@@ -68,7 +70,7 @@ class stStarfox : public stMelee {
     virtual void resetChangeScene();
     virtual void setChangeSceneNumber(s32 n);
 
-    virtual u32 getFinalTechniqColor() { return 0x14000496; }
+    virtual GXColor getFinalTechniqColor() { return nw4r::ut::Color(0x14000496); }
     virtual IfSmashAppearTask* getAppearTask() { return m_smash_taunt_task; }
     virtual bool isBamperVector() { return true; }
     virtual int getPokeTrainerDrawLayer() { return 1; }
diff --git a/src/sora/gf/gf_system_callback.cpp b/src/sora/gf/gf_system_callback.cpp
new file mode 100644
index 0000000..1957f72
--- /dev/null
+++ b/src/sora/gf/gf_system_callback.cpp
@@ -0,0 +1,63 @@
+#include <gf/gf_system_callback.h>
+#include <types.h>
+
+void gfReturnStatusCallbackList::add(gfReturnStatusCallback* node) {
+    if (!m_head) {
+        m_head = node;
+    } else {
+        gfReturnStatusCallback* curr = m_head;
+        while (curr->m_next) {
+            curr = curr->m_next;
+        }
+        curr->m_next = node;
+    }
+}
+
+bool gfReturnStatusCallbackList::remove(gfReturnStatusCallback* node) {
+    gfReturnStatusCallback* curr = m_head;
+    bool success = true;
+    if (curr == node) {
+        m_head = node->m_next;
+    } else {
+        success = false;
+        if (curr == node) {
+            curr = nullptr;
+        }
+        while (curr) {
+            if (curr->m_next == node) {
+                break;
+            }
+            curr = curr->m_next;
+        }
+        if (curr) {
+            curr->m_next = node->m_next;
+            node->m_next = nullptr;
+            success = true;
+        }
+    }
+    return success;
+}
+
+bool gfReturnStatusCallbackList::process() const {
+    bool allSuccess = true;
+    gfReturnStatusCallback* curr = m_head;
+    while (curr) {
+        bool res = curr->returnStatus();
+        curr = curr->m_next;
+        allSuccess = (allSuccess && res);
+    }
+    return allSuccess;
+}
+
+namespace {
+    struct UnusedClass {
+        u32 a : 8;
+        u32 b : 8;
+        u32 c : 8;
+        u32 d : 8;
+        u32 y;
+        UnusedClass() : b(0), y(0) { }
+    };
+
+    UnusedClass g_unk805a00a0;
+}