diff --git a/include/JSystem/J3DGraphBase/J3DMatBlock.h b/include/JSystem/J3DGraphBase/J3DMatBlock.h
index 10f8b550a..a5c1c5183 100644
--- a/include/JSystem/J3DGraphBase/J3DMatBlock.h
+++ b/include/JSystem/J3DGraphBase/J3DMatBlock.h
@@ -625,8 +625,6 @@ struct J3DBlend : public J3DBlendInfo {
     // void operator==(J3DBlend&) {}
 };
 
-extern const J3DFogInfo j3dDefaultFogInfo;
-
 struct J3DFog : public J3DFogInfo {
     // J3DFog() { *getFogInfo() = j3dDefaultFogInfo; } // Produces the wrong codegen for mDoExt_backupMatBlock_c's constructor
     J3DFog() { J3DFogInfo::operator=(j3dDefaultFogInfo); }
@@ -641,17 +639,6 @@ struct J3DFog : public J3DFogInfo {
     void setType(u8 type) { mType = type; }
 };
 
-struct J3DAlphaCompInfo {
-    /* 0x0 */ u8 mComp0;
-    /* 0x1 */ u8 mRef0;
-    /* 0x2 */ u8 mOp;
-    /* 0x3 */ u8 mComp1;
-    /* 0x4 */ u8 mRef1;
-    /* 0x5 */ u8 field_0x5;
-    /* 0x6 */ u8 field_0x6;
-    /* 0x7 */ u8 field_0x7;
-};
-
 inline u16 calcAlphaCmpID(u8 comp0, u8 op, u8 comp1) {
     return (comp0 << 5) + (op << 3) + (comp1);
 }
diff --git a/include/JSystem/J3DGraphBase/J3DStruct.h b/include/JSystem/J3DGraphBase/J3DStruct.h
index 25868ce96..cfbda1b45 100644
--- a/include/JSystem/J3DGraphBase/J3DStruct.h
+++ b/include/JSystem/J3DGraphBase/J3DStruct.h
@@ -240,4 +240,15 @@ struct J3DZModeInfo {
     /* 0x03 */ u8 pad;
 };
 
+struct J3DAlphaCompInfo {
+    /* 0x0 */ u8 mComp0;
+    /* 0x1 */ u8 mRef0;
+    /* 0x2 */ u8 mOp;
+    /* 0x3 */ u8 mComp1;
+    /* 0x4 */ u8 mRef1;
+    /* 0x5 */ u8 field_0x5;
+    /* 0x6 */ u8 field_0x6;
+    /* 0x7 */ u8 field_0x7;
+};
+
 #endif /* J3DSTRUCT_H */
diff --git a/include/JSystem/JGeometry.h b/include/JSystem/JGeometry.h
index b67b71a35..c76bc0ab4 100644
--- a/include/JSystem/JGeometry.h
+++ b/include/JSystem/JGeometry.h
@@ -369,9 +369,12 @@ template<> struct TBox<TVec2<f32> > {
 };
 
 template <typename T>
-struct TBox2 : TBox<TVec2<T> > {
+struct TBox2 : public TBox<TVec2<T> > {
     TBox2() {}
-    TBox2(const TVec2<f32>& i, const TVec2<f32> f) { set(i, f); }
+    TBox2(const TVec2<f32>& _i, const TVec2<f32>& _f) { 
+        TBox<TVec2<T> >::i.set(_i);
+        TBox<TVec2<T> >::f.set(_f);
+    }
     TBox2(f32 x0, f32 y0, f32 x1, f32 y1) { set(x0, y0, x1, y1); }
 
     void absolute() {
diff --git a/include/JSystem/JParticle/JPAParticle.h b/include/JSystem/JParticle/JPAParticle.h
index 1fb151e6e..67b396462 100644
--- a/include/JSystem/JParticle/JPAParticle.h
+++ b/include/JSystem/JParticle/JPAParticle.h
@@ -10,11 +10,8 @@
 class JKRHeap;
 class JPABaseEmitter;
 class JPABaseParticle;
-class JPAEmitterCallBack;
 class JPAEmitterManager;
-class JPAParticleCallBack;
 class JPAResourceManager;
-struct JPAEmitterWorkData;
 
 template<typename T>
 class JPACallBackBase;
diff --git a/include/SSystem/SComponent/c_sxyz.h b/include/SSystem/SComponent/c_sxyz.h
index 82532a68f..c74f7817a 100644
--- a/include/SSystem/SComponent/c_sxyz.h
+++ b/include/SSystem/SComponent/c_sxyz.h
@@ -7,8 +7,7 @@ class csXyz : public SVec {
 public:
     static const csXyz Zero;
     ~csXyz() {}
-    /* inline */ csXyz() {}
-    /* inline */ csXyz(const csXyz& other) : SVec(other){};
+    csXyz() {}
     csXyz(s16, s16, s16);
     csXyz operator+(csXyz&);
     void operator+=(csXyz&);
diff --git a/src/d/actor/d_a_obj_pbco.cpp b/src/d/actor/d_a_obj_pbco.cpp
index 399a20a1b..177d4b6c7 100644
--- a/src/d/actor/d_a_obj_pbco.cpp
+++ b/src/d/actor/d_a_obj_pbco.cpp
@@ -111,7 +111,7 @@ static BOOL daObj_PbcoExecute(void* i_this) {
 
 bool daObj_Pbco_c::_draw() {
     dKy_tevstr_c* pTevStr;
-    g_env_light.settingTevStruct(TEV_TYPE_BG0, &current.pos, pTevStr = &tevStr);
+    g_env_light.settingTevStruct(TEV_TYPE_BG0, &current.pos, pTevStr = &tevStr); // fakematch
     g_env_light.setLightTevColorType(mpModel, pTevStr);
     mDoExt_modelUpdateDL(mpModel);
     return TRUE;
diff --git a/src/d/actor/d_a_obj_pbka.cpp b/src/d/actor/d_a_obj_pbka.cpp
index 722766bed..3bffe3ec7 100644
--- a/src/d/actor/d_a_obj_pbka.cpp
+++ b/src/d/actor/d_a_obj_pbka.cpp
@@ -77,7 +77,7 @@ static BOOL daObjPbka_Delete(void* i_this) {
 
 bool daObjPbka_c::_draw() {
     dKy_tevstr_c * pTevStr;
-    g_env_light.settingTevStruct(TEV_TYPE_BG0, &current.pos, pTevStr = &tevStr);
+    g_env_light.settingTevStruct(TEV_TYPE_BG0, &current.pos, pTevStr = &tevStr); // fakematch
     g_env_light.setLightTevColorType(mpModel, pTevStr);
     dComIfGd_setListBG();
     mDoExt_modelUpdateDL(mpModel);
diff --git a/src/d/d_save.cpp b/src/d/d_save.cpp
index 677258950..d01bbb158 100644
--- a/src/d/d_save.cpp
+++ b/src/d/d_save.cpp
@@ -1180,7 +1180,7 @@ u8 dSv_event_c::getEventReg(u16 i_reg) {
 
 /* 8005CB94-8005CBB0       .text init__13dSv_reserve_cFv */
 void dSv_reserve_c::init() {
-    for (int i = 0; i < sizeof(dSv_reserve_c); i++) {
+    for (int i = 0; i < ARRAY_SIZE(mReserve); i++) {
         mReserve[i] = 0;
     }
 }
diff --git a/src/f_op/f_op_actor_mng.cpp b/src/f_op/f_op_actor_mng.cpp
index f45a659e3..623d80ffa 100644
--- a/src/f_op/f_op_actor_mng.cpp
+++ b/src/f_op/f_op_actor_mng.cpp
@@ -276,9 +276,9 @@ s32 fopAcM_createHeap(fopAc_ac_c* i_this, u32 size, u32 align) {
         align = 0x20;
 
     i_this->heap = mDoExt_createSolidHeapFromGameToCurrent(size, align);
-    if (i_this->heap == 0) {
+    if (i_this->heap == NULL) {
         OSReport_Error("fopAcM_createHeap 確保失敗\n");
-        JUT_CONFIRM(0x34c, i_this->heap != 0);
+        JUT_CONFIRM(0x34c, i_this->heap != NULL);
         return FALSE;
     }
 
diff --git a/src/m_Do/m_Do_MemCardRWmng.cpp b/src/m_Do/m_Do_MemCardRWmng.cpp
index c4802656e..2cbad6fe1 100644
--- a/src/m_Do/m_Do_MemCardRWmng.cpp
+++ b/src/m_Do/m_Do_MemCardRWmng.cpp
@@ -15,6 +15,14 @@
 #include <string.h>
 #include <stdio.h>
 
+#if VERSION <= VERSION_JPN
+#define HEADER_TITLE   "ゼルダの伝説～風のタクト～"
+#define HEADER_COMMENT "%d月%d日のセーブデータです"
+#else
+#define HEADER_TITLE   "Zelda: The Wind Waker"
+#define HEADER_COMMENT "%d/%d Save Data"
+#endif
+
 static u8 sTmpBuf[0x2000] ALIGN_DECL(32);
 static u8 sTmpBuf2[0x2000] ALIGN_DECL(32);
 static u32 sSaveCount;
@@ -197,19 +205,11 @@ s32 mDoMemCdRWm_Restore2(CARDFileInfo* card) {
 
 /* 80019F4C-8001A0A8       .text mDoMemCdRWm_BuildHeader__FP22mDoMemCdRWm_HeaderData */
 void mDoMemCdRWm_BuildHeader(mDoMemCdRWm_HeaderData* header) {
-#if VERSION <= VERSION_JPN
-    snprintf(header->comment, sizeof(header->comment), "ゼルダの伝説～風のタクト～");
-#else
-    snprintf(header->comment, sizeof(header->comment), "Zelda: The Wind Waker");
-#endif
+    snprintf(header->comment, sizeof(header->comment), HEADER_TITLE);
     OSTime time = OSGetTime();
     OSCalendarTime cal;
     OSTicksToCalendarTime(time, &cal);
-#if VERSION <= VERSION_JPN
-    snprintf(header->info, sizeof(header->info), "%d月%d日のセーブデータです", cal.month + 1, cal.day_of_month);
-#elif VERSION == VERSION_USA
-    snprintf(header->info, sizeof(header->info), "%d/%d Save Data", cal.month + 1, cal.day_of_month);
-#else
+#if VERSION == VERSION_PAL
     switch (dComIfGs_getPalLanguage()) {
     case 0:
         snprintf(header->info, sizeof(header->info), "%d/%d Save Data", cal.month + 1, cal.day_of_month);
@@ -227,6 +227,8 @@ void mDoMemCdRWm_BuildHeader(mDoMemCdRWm_HeaderData* header) {
         snprintf(header->info, sizeof(header->info), "Dati salvati: %d/%d", cal.day_of_month, cal.month + 1);
         break;
     }
+#else
+    snprintf(header->info, sizeof(header->info), HEADER_COMMENT, cal.month + 1, cal.day_of_month);
 #endif
     mDoDvdThd_mountArchive_c* cmd = mDoDvdThd_mountArchive_c::create("/res/CardIcon/cardicon.arc", 0, NULL);
     while (!cmd->sync()) ;