diff --git a/include/functions.h b/include/functions.h
index 3a7ce33825..9c20969d44 100644
--- a/include/functions.h
+++ b/include/functions.h
@@ -2462,10 +2462,10 @@ void Play_Destroy(GameState* thisx);
 void func_80166968(PlayState* this, Camera* camera);
 void Play_UpdateTransition(PlayState* this);
 void Play_Update(PlayState* this);
-void func_80167DE4(PlayState* this);
+void Play_SetupUpdate(PlayState* this);
 // void Play_DrawOverlayElements(void);
 void Play_Draw(PlayState* this);
-void func_80168DAC(PlayState* this);
+void Play_SetupDraw(PlayState* this);
 void Play_Main(GameState* thisx);
 s32 Play_InCsMode(PlayState* this);
 f32 func_80169100(PlayState* this, MtxF* mtx, CollisionPoly** poly, s32* bgId, Vec3f* feetPos);
@@ -2513,11 +2513,11 @@ void Play_Init(GameState* thisx);
 // void func_8016CD4C(void);
 // void func_8016E40C(void);
 // void func_8016EA90(void);
-void func_8016F1A8(HiresoStruct* arg0, GraphicsContext* gfxCtx);
+void Hireso_Draw(HiresoStruct* arg0, GraphicsContext* gfxCtx);
 // void func_8016F4EC(void);
-void func_8016F5A8(PlayState* play, HiresoStruct* arg1, Input* input);
-void func_8016FC78(HiresoStruct* this);
-void func_8016FC98(HiresoStruct* this);
+void Hireso_Update(PlayState* play, HiresoStruct* arg1, Input* input);
+void Hireso_Init(HiresoStruct* this);
+void Hireso_Destroy(HiresoStruct* this);
 void PreRender_SetValuesSave(PreRender* this, u32 width, u32 height, void* fbuf, void* zbuf, void* cvg);
 void PreRender_Init(PreRender* this);
 void PreRender_SetValues(PreRender* this, u32 width, u32 height, void* fbuf, void* zbuf);
diff --git a/include/variables.h b/include/variables.h
index bbe4788b3e..2e40189fd5 100644
--- a/include/variables.h
+++ b/include/variables.h
@@ -3179,8 +3179,8 @@ extern UNK_TYPE4 gTrnsnUnkState;
 extern Color_RGBA8_u32 gVisMonoColor;
 // extern UNK_TYPE1 D_801F6D38;
 // extern UNK_TYPE4 D_801F6D4C;
-// extern UNK_TYPE1 D_801F6D50;
-extern u8 D_801F6DFC;
+// extern UNK_TYPE1 sHireso;
+extern u8 sBombersNotebookOpen;
 // extern UNK_TYPE1 D_801F6DFD;
 extern SlowlyTask D_801F6E00;
 extern s32 D_801F6FC0;
diff --git a/include/z64.h b/include/z64.h
index 05b0c54dfa..468cdc2fac 100644
--- a/include/z64.h
+++ b/include/z64.h
@@ -418,7 +418,7 @@ typedef struct {
     /* 0x1E8 */ OSMesg loadMsg;
     /* 0x1EC */ u16 state;
     /* 0x1EE */ u16 debugEditor;
-    /* 0x1F0 */ u8 unk_1F0;
+    /* 0x1F0 */ u8 bombersNotebookOpen;
     /* 0x1F4 */ Vec3f eye;
     /* 0x200 */ u16 unk_200;
     /* 0x202 */ u16 mode;
diff --git a/src/code/z_lights.c b/src/code/z_lights.c
index 62ee0dd688..43e769a44c 100644
--- a/src/code/z_lights.c
+++ b/src/code/z_lights.c
@@ -251,7 +251,7 @@ void Lights_FreeNode(LightNode* light) {
 void LightContext_Init(PlayState* play, LightContext* lightCtx) {
     LightContext_InitList(play, lightCtx);
     LightContext_SetAmbientColor(lightCtx, 80, 80, 80);
-    LightContext_SetFogProperties(lightCtx, 0, 0, 0, 0x3E4, 0x3200);
+    LightContext_SetFogProperties(lightCtx, 0, 0, 0, 996, 12800);
     bzero(&sLightsBuffer, sizeof(LightsBuffer));
 }
 
diff --git a/src/code/z_message.c b/src/code/z_message.c
index 80e374ea78..fc61660197 100644
--- a/src/code/z_message.c
+++ b/src/code/z_message.c
@@ -330,7 +330,7 @@ void func_80151938(PlayState* play, u16 textId) {
     }
     msgCtx->unk1203C = msgCtx->unk1203A;
 
-    if (play->pauseCtx.unk_1F0 != 0) {
+    if (play->pauseCtx.bombersNotebookOpen != 0) {
         msgCtx->unk12004 = 0x22;
         msgCtx->unk12006 = 0x15E;
         func_80149C18(play);
diff --git a/src/code/z_play.c b/src/code/z_play.c
index b38cf825f2..945e58f6f6 100644
--- a/src/code/z_play.c
+++ b/src/code/z_play.c
@@ -23,8 +23,8 @@ extern VisMono sVisMono;
 extern Color_RGBA8_u32 gVisMonoColor;
 extern Struct_80140E80 D_801F6D38;
 extern Struct_80140E80* D_801F6D4C;
-extern HiresoStruct D_801F6D50;
-extern u8 D_801F6DFC;
+extern HiresoStruct sHireso;
+extern u8 sBombersNotebookOpen;
 extern u8 sMotionBlurStatus;
 
 typedef enum {
@@ -398,7 +398,7 @@ void Play_Destroy(GameState* thisx) {
     PlayState* this = (PlayState*)thisx;
     GraphicsContext* gfxCtx = this->state.gfxCtx;
 
-    if (D_801F6DFC) {
+    if (sBombersNotebookOpen) {
         MsgEvent_SendNullTask();
         func_80178750();
         gfxCtx->curFrameBuffer = SysCfb_GetFbPtr(gfxCtx->framebufferIdx % 2);
@@ -408,10 +408,10 @@ void Play_Destroy(GameState* thisx) {
         gfxCtx->xScale = gViConfigXScale;
         gfxCtx->yScale = gViConfigYScale;
         gfxCtx->updateViMode = true;
-        D_801F6DFC = false;
+        sBombersNotebookOpen = false;
     }
 
-    func_8016FC98(&D_801F6D50);
+    Hireso_Destroy(&sHireso);
     this->state.gfxCtx->callback = NULL;
     this->state.gfxCtx->callbackParam = 0;
     Play_DestroyMotionBlur();
@@ -1071,19 +1071,19 @@ void Play_Update(PlayState* this) {
 #pragma GLOBAL_ASM("asm/non_matchings/code/z_play/Play_Update.s")
 #endif
 
-void func_80167DE4(PlayState* this) {
-    if (!D_801F6DFC) {
-        if (this->pauseCtx.unk_1F0 != 0) {
-            D_801F6DFC = true;
-            D_801F6D50.unk_00 = 0;
+void Play_SetupUpdate(PlayState* this) {
+    if (!sBombersNotebookOpen) {
+        if (this->pauseCtx.bombersNotebookOpen) {
+            sBombersNotebookOpen = true;
+            sHireso.unk_00 = 0;
         }
     } else {
         if (CHECK_BTN_ALL(CONTROLLER1(&this->state)->press.button, BTN_L) ||
             CHECK_BTN_ALL(CONTROLLER1(&this->state)->press.button, BTN_B) ||
             CHECK_BTN_ALL(CONTROLLER1(&this->state)->press.button, BTN_START) || (gIrqMgrResetStatus != 0)) {
-            D_801F6DFC = false;
-            this->pauseCtx.unk_1F0 = 0;
-            D_801F6D50.unk_00 = 0;
+            sBombersNotebookOpen = false;
+            this->pauseCtx.bombersNotebookOpen = false;
+            sHireso.unk_00 = 0;
             this->msgCtx.msgLength = 0;
             this->msgCtx.msgMode = 0;
             this->msgCtx.currentTextId = 0;
@@ -1091,8 +1091,8 @@ void func_80167DE4(PlayState* this) {
             play_sound(NA_SE_SY_CANCEL);
         }
     }
-    if (D_801F6DFC) {
-        func_8016F5A8(this, &D_801F6D50, this->state.input);
+    if (sBombersNotebookOpen) {
+        Hireso_Update(this, &sHireso, this->state.input);
         Message_Update(this);
     } else {
         Play_Update(this);
@@ -1442,13 +1442,13 @@ void Play_Draw(PlayState* this) {
 #pragma GLOBAL_ASM("asm/non_matchings/code/z_play/Play_Draw.s")
 #endif
 
-void func_80168DAC(PlayState* this) {
+void Play_SetupDraw(PlayState* this) {
     GraphicsContext* gfxCtx = this->state.gfxCtx;
 
     {
         GraphicsContext* gfxCtx2 = this->state.gfxCtx;
 
-        if (D_801F6DFC) {
+        if (sBombersNotebookOpen) {
             if (D_801FBBD4 != 1) {
                 MsgEvent_SendNullTask();
                 func_80178818();
@@ -1475,8 +1475,8 @@ void func_80168DAC(PlayState* this) {
         }
     }
 
-    if (D_801F6DFC && ((SREG(2) != 2) || (gZBufferPtr == NULL))) {
-        func_8016F1A8(&D_801F6D50, gfxCtx);
+    if (sBombersNotebookOpen && ((SREG(2) != 2) || (gZBufferPtr == NULL))) {
+        Hireso_Draw(&sHireso, gfxCtx);
         Message_Draw(this);
     } else {
         Play_Draw(this);
@@ -1484,10 +1484,10 @@ void func_80168DAC(PlayState* this) {
 }
 
 void Play_Main(GameState* thisx) {
-    static Input* D_801D0D60 = NULL;
+    static Input* prevInput = NULL;
     PlayState* this = (PlayState*)thisx;
 
-    D_801D0D60 = CONTROLLER1(&this->state);
+    prevInput = CONTROLLER1(&this->state);
     DebugDisplay_Init();
 
     {
@@ -1496,18 +1496,18 @@ void Play_Main(GameState* thisx) {
         if (1) {
             this->state.gfxCtx = NULL;
         }
-        func_80167DE4(this);
+        Play_SetupUpdate(this);
         this->state.gfxCtx = gfxCtx;
     }
 
     {
-        Input sp28 = *CONTROLLER1(&this->state);
+        Input input = *CONTROLLER1(&this->state);
 
         if (1) {
             *CONTROLLER1(&this->state) = D_801F6C18;
         }
-        func_80168DAC(this);
-        *CONTROLLER1(&this->state) = sp28;
+        Play_SetupDraw(this);
+        *CONTROLLER1(&this->state) = input;
     }
 
     ActorCutscene_Update();
@@ -1518,11 +1518,11 @@ s32 Play_InCsMode(PlayState* this) {
     return (this->csCtx.state != 0) || Player_InCsMode(this);
 }
 
-f32 func_80169100(PlayState* this, MtxF* mtx, CollisionPoly** poly, s32* bgId, Vec3f* feetPos) {
-    f32 floorHeight = BgCheck_EntityRaycastFloor3(&this->colCtx, poly, bgId, feetPos);
+f32 func_80169100(PlayState* this, MtxF* mtx, CollisionPoly** poly, s32* bgId, Vec3f* pos) {
+    f32 floorHeight = BgCheck_EntityRaycastFloor3(&this->colCtx, poly, bgId, pos);
 
     if (floorHeight > BGCHECK_Y_MIN) {
-        func_800C0094(*poly, feetPos->x, floorHeight, feetPos->z, mtx);
+        func_800C0094(*poly, pos->x, floorHeight, pos->z, mtx);
     } else {
         mtx->xy = 0.0f;
         mtx->zx = 0.0f;
@@ -1536,11 +1536,12 @@ f32 func_80169100(PlayState* this, MtxF* mtx, CollisionPoly** poly, s32* bgId, V
         mtx->yz = 0.0f;
         mtx->zy = 0.0f;
         mtx->yy = 1.0f;
-        mtx->xw = feetPos->x;
-        mtx->yw = feetPos->y;
-        mtx->zw = feetPos->z;
+        mtx->xw = pos->x;
+        mtx->yw = pos->y;
+        mtx->zw = pos->z;
         mtx->ww = 1.0f;
     }
+
     return floorHeight;
 }
 
@@ -2302,7 +2303,9 @@ void Play_Init(GameState* thisx) {
     ZeldaArena_Init(((temp_v0_12 + 8) & ~0xF), (sp94 - ((temp_v0_12 + 8) & ~0xF)) + temp_v0_12);
     Actor_InitContext(this, &this->actorCtx, this->linkActorEntry);
 
-    while (Room_HandleLoadCallbacks(this, &this->roomCtx) == 0) {}
+    while (!Room_HandleLoadCallbacks(this, &this->roomCtx)) {
+        // Empty
+    }
 
     if ((CURRENT_DAY != 0) && ((this->roomCtx.curRoom.unk3 == 1) || (this->roomCtx.curRoom.unk3 == 5))) {
         Actor_Spawn(&this->actorCtx, this, 0x15A, 0.0f, 0.0f, 0.0f, 0, 0, 0, 0);
@@ -2325,8 +2328,8 @@ void Play_Init(GameState* thisx) {
     AnimationContext_Update(this, &this->animationCtx);
     func_800EDBE0(this);
     gSaveContext.respawnFlag = 0;
-    D_801F6DFC = false;
-    func_8016FC78(&D_801F6D50);
+    sBombersNotebookOpen = false;
+    Hireso_Init(&sHireso);
 }
 
 // play_hireso need to confirm still
diff --git a/src/code/z_play_hireso.c b/src/code/z_play_hireso.c
index e429051c88..505bdbe82e 100644
--- a/src/code/z_play_hireso.c
+++ b/src/code/z_play_hireso.c
@@ -16,12 +16,12 @@
 
 #pragma GLOBAL_ASM("asm/non_matchings/code/z_play_hireso/func_8016EA90.s")
 
-#pragma GLOBAL_ASM("asm/non_matchings/code/z_play_hireso/func_8016F1A8.s")
+#pragma GLOBAL_ASM("asm/non_matchings/code/z_play_hireso/Hireso_Draw.s")
 
 #pragma GLOBAL_ASM("asm/non_matchings/code/z_play_hireso/func_8016F4EC.s")
 
-#pragma GLOBAL_ASM("asm/non_matchings/code/z_play_hireso/func_8016F5A8.s")
+#pragma GLOBAL_ASM("asm/non_matchings/code/z_play_hireso/Hireso_Update.s")
 
-#pragma GLOBAL_ASM("asm/non_matchings/code/z_play_hireso/func_8016FC78.s")
+#pragma GLOBAL_ASM("asm/non_matchings/code/z_play_hireso/Hireso_Init.s")
 
-#pragma GLOBAL_ASM("asm/non_matchings/code/z_play_hireso/func_8016FC98.s")
+#pragma GLOBAL_ASM("asm/non_matchings/code/z_play_hireso/Hireso_Destroy.s")
diff --git a/tools/disasm/functions.txt b/tools/disasm/functions.txt
index 68e94619c2..e124f582e5 100644
--- a/tools/disasm/functions.txt
+++ b/tools/disasm/functions.txt
@@ -2993,10 +2993,10 @@
     0x80166968:("func_80166968",),
     0x80166B30:("Play_UpdateTransition",),
     0x80167814:("Play_Update",),
-    0x80167DE4:("func_80167DE4",),
+    0x80167DE4:("Play_SetupUpdate",),
     0x80167F0C:("Play_DrawOverlayElements",),
     0x80168090:("Play_Draw",),
-    0x80168DAC:("func_80168DAC",),
+    0x80168DAC:("Play_SetupDraw",),
     0x80168F64:("Play_Main",),
     0x801690CC:("Play_InCsMode",),
     0x80169100:("func_80169100",),
@@ -3048,11 +3048,11 @@
     0x8016CD4C:("func_8016CD4C",),
     0x8016E40C:("func_8016E40C",),
     0x8016EA90:("func_8016EA90",),
-    0x8016F1A8:("func_8016F1A8",),
+    0x8016F1A8:("Hireso_Draw",),
     0x8016F4EC:("func_8016F4EC",),
-    0x8016F5A8:("func_8016F5A8",),
-    0x8016FC78:("func_8016FC78",),
-    0x8016FC98:("func_8016FC98",),
+    0x8016F5A8:("Hireso_Update",),
+    0x8016FC78:("Hireso_Init",),
+    0x8016FC98:("Hireso_Destroy",),
     0x8016FCF0:("PreRender_SetValuesSave",),
     0x8016FD2C:("PreRender_Init",),
     0x8016FD60:("PreRender_SetValues",),
diff --git a/tools/sizes/code_functions.csv b/tools/sizes/code_functions.csv
index e72aa7b149..3904fde109 100644
--- a/tools/sizes/code_functions.csv
+++ b/tools/sizes/code_functions.csv
@@ -2507,10 +2507,10 @@ asm/non_matchings/code/z_play/func_801668B4.s,func_801668B4,0x801668B4,0x2D
 asm/non_matchings/code/z_play/func_80166968.s,func_80166968,0x80166968,0x72
 asm/non_matchings/code/z_play/Play_UpdateTransition.s,Play_UpdateTransition,0x80166B30,0x339
 asm/non_matchings/code/z_play/Play_Update.s,Play_Update,0x80167814,0x174
-asm/non_matchings/code/z_play/func_80167DE4.s,func_80167DE4,0x80167DE4,0x4A
+asm/non_matchings/code/z_play/Play_SetupUpdate.s,Play_SetupUpdate,0x80167DE4,0x4A
 asm/non_matchings/code/z_play/Play_DrawOverlayElements.s,Play_DrawOverlayElements,0x80167F0C,0x61
 asm/non_matchings/code/z_play/Play_Draw.s,Play_Draw,0x80168090,0x347
-asm/non_matchings/code/z_play/func_80168DAC.s,func_80168DAC,0x80168DAC,0x6E
+asm/non_matchings/code/z_play/Play_SetupDraw.s,Play_SetupDraw,0x80168DAC,0x6E
 asm/non_matchings/code/z_play/Play_Main.s,Play_Main,0x80168F64,0x5A
 asm/non_matchings/code/z_play/Play_InCsMode.s,Play_InCsMode,0x801690CC,0xD
 asm/non_matchings/code/z_play/func_80169100.s,func_80169100,0x80169100,0x3C
@@ -2562,11 +2562,11 @@ asm/non_matchings/code/z_play_hireso/func_8016C344.s,func_8016C344,0x8016C344,0x
 asm/non_matchings/code/z_play_hireso/func_8016CD4C.s,func_8016CD4C,0x8016CD4C,0x5B0
 asm/non_matchings/code/z_play_hireso/func_8016E40C.s,func_8016E40C,0x8016E40C,0x1A1
 asm/non_matchings/code/z_play_hireso/func_8016EA90.s,func_8016EA90,0x8016EA90,0x1C6
-asm/non_matchings/code/z_play_hireso/func_8016F1A8.s,func_8016F1A8,0x8016F1A8,0xD1
+asm/non_matchings/code/z_play_hireso/Hireso_Draw.s,Hireso_Draw,0x8016F1A8,0xD1
 asm/non_matchings/code/z_play_hireso/func_8016F4EC.s,func_8016F4EC,0x8016F4EC,0x2F
-asm/non_matchings/code/z_play_hireso/func_8016F5A8.s,func_8016F5A8,0x8016F5A8,0x1B4
-asm/non_matchings/code/z_play_hireso/func_8016FC78.s,func_8016FC78,0x8016FC78,0x8
-asm/non_matchings/code/z_play_hireso/func_8016FC98.s,func_8016FC98,0x8016FC98,0x16
+asm/non_matchings/code/z_play_hireso/Hireso_Update.s,Hireso_Update,0x8016F5A8,0x1B4
+asm/non_matchings/code/z_play_hireso/Hireso_Init.s,Hireso_Init,0x8016FC78,0x8
+asm/non_matchings/code/z_play_hireso/Hireso_Destroy.s,Hireso_Destroy,0x8016FC98,0x16
 asm/non_matchings/code/PreRender/PreRender_SetValuesSave.s,PreRender_SetValuesSave,0x8016FCF0,0xF
 asm/non_matchings/code/PreRender/PreRender_Init.s,PreRender_Init,0x8016FD2C,0xD
 asm/non_matchings/code/PreRender/PreRender_SetValues.s,PreRender_SetValues,0x8016FD60,0xD