diff --git a/include/z64cutscene.h b/include/z64cutscene.h
index f8aed368d4..3dce9ec23c 100644
--- a/include/z64cutscene.h
+++ b/include/z64cutscene.h
@@ -344,6 +344,42 @@ typedef enum CutsceneDestination {
     /* 0x77 */ CS_DEST_ZELDAS_COURTYARD_RECEIVE_LETTER
 } CutsceneDestination;
 
+// values `< 0xFFF0` indicate no cutscene, or a context in which manual cutscenes can be used; can be assigned to
+// - `gSaveContext.save.cutsceneIndex`
+// - `gSaveContext.nextCutsceneIndex`
+// using them implies an intention to have the Play state set `gSaveContext.sceneLayer` based on age and day time on state init
+// see enum values [`SCENE_LAYER_CHILD_DAY` .. `SCENE_LAYER_ADULT_NIGHT`]
+#define CS_INDEX_DEFAULT 0x0000
+#define CS_INDEX_UNK_8000 0x8000
+
+// values `>= 0xFFF0` indicate a "scripted" cutscene; can be assigned to
+// - `gSaveContext.save.cutsceneIndex`
+// - `gSaveContext.nextCutsceneIndex`
+// using them implies an intention to have `z_play.c` set `gSaveContext.sceneLayer` directly by index
+// see `GET_CUTSCENE_LAYER(index)`
+#define CS_INDEX_0 0xFFF0
+#define CS_INDEX_1 0xFFF1
+#define CS_INDEX_2 0xFFF2
+#define CS_INDEX_3 0xFFF3
+#define CS_INDEX_4 0xFFF4
+#define CS_INDEX_5 0xFFF5
+#define CS_INDEX_6 0xFFF6
+#define CS_INDEX_7 0xFFF7
+#define CS_INDEX_8 0xFFF8
+#define CS_INDEX_9 0xFFF9
+#define CS_INDEX_A 0xFFFA
+
+// This value is "out of range" even for the largest set of entrances in the entrance table
+// but `z_demo.c` immediately sets `CS_STATE_STOP` state
+#define CS_INDEX_UNK_FFFF 0xFFFF
+
+// sentinel value used for `cutsceneIndex` to indicate that it should be reset to default
+#define CS_INDEX_EMPTY 0xFFFD
+
+// sentinel value used for `nextCutsceneIndex` to indicate that it is empty
+// otherwise its value will be copied to `cutsceneIndex` on Play state init
+#define CS_INDEX_NEXT_EMPTY 0xFFEF
+
 typedef union CsCmdCam {
     struct {
         /* 0x00 */ u16 unused0;
@@ -353,7 +389,6 @@ typedef union CsCmdCam {
     s32 _words[2];
 } CsCmdCam; // size = 0x8
 
-
 typedef union CsCmdMisc {
     struct {
         /* 0x00 */ u16 type;
diff --git a/include/z64save.h b/include/z64save.h
index 71b1414052..4f266ad4ba 100644
--- a/include/z64save.h
+++ b/include/z64save.h
@@ -401,6 +401,7 @@ typedef enum SceneLayer {
 } SceneLayer;
 
 #define IS_CUTSCENE_LAYER (gSaveContext.sceneLayer >= SCENE_LAYER_CUTSCENE_FIRST)
+#define GET_CUTSCENE_LAYER(index) (SCENE_LAYER_CUTSCENE_FIRST + (index & 0xF))
 
 typedef enum LinkAge {
     /* 0 */ LINK_AGE_ADULT,
diff --git a/src/code/db_camera.c b/src/code/db_camera.c
index a275cae523..6789e966e2 100644
--- a/src/code/db_camera.c
+++ b/src/code/db_camera.c
@@ -2204,7 +2204,7 @@ s32 DebugCamera_UpdateDemoControl(DebugCam* debugCam, Camera* cam) {
 
             if (CHECK_BTN_ALL(sPlay->state.input[1].press.button, BTN_CRIGHT)) {
                 gUseCutsceneCam = false;
-                gSaveContext.save.cutsceneIndex = 0xFFFD;
+                gSaveContext.save.cutsceneIndex = CS_INDEX_EMPTY;
                 gSaveContext.cutsceneTrigger = 1;
                 sDebugCamAnim.curFrame = 0.0f;
                 sDebugCamAnim.keyframe = 0;
diff --git a/src/code/z_common_data.c b/src/code/z_common_data.c
index 97cb44a4f0..291f4cb887 100644
--- a/src/code/z_common_data.c
+++ b/src/code/z_common_data.c
@@ -6,9 +6,10 @@
 #include "z64environment.h"
 #include "z64save.h"
 #include "z64transition.h"
+#include "z64cutscene.h"
 
-#pragma increment_block_number "gc-eu:192 gc-eu-mq:192 gc-jp:192 gc-jp-ce:192 gc-jp-mq:192 gc-us:192 gc-us-mq:192" \
-                               "ntsc-1.0:0 ntsc-1.1:0 ntsc-1.2:0 pal-1.0:0 pal-1.1:0"
+#pragma increment_block_number "gc-eu:64 gc-eu-mq:64 gc-jp:64 gc-jp-ce:64 gc-jp-mq:64 gc-us:64 gc-us-mq:64 ntsc-1.0:0" \
+                               "ntsc-1.1:0 ntsc-1.2:0 pal-1.0:0 pal-1.1:0"
 
 ALIGNED(16) SaveContext gSaveContext;
 #if PLATFORM_IQUE
@@ -25,7 +26,7 @@ void SaveContext_Init(void) {
     gSaveContext.seqId = (u8)NA_BGM_DISABLED;
     gSaveContext.natureAmbienceId = NATURE_ID_DISABLED;
     gSaveContext.forcedSeqId = NA_BGM_GENERAL_SFX;
-    gSaveContext.nextCutsceneIndex = 0xFFEF;
+    gSaveContext.nextCutsceneIndex = CS_INDEX_NEXT_EMPTY;
     gSaveContext.cutsceneTrigger = 0;
     gSaveContext.chamberCutsceneNum = CHAMBER_CS_FOREST;
     gSaveContext.nextDayTime = NEXT_TIME_NONE;
diff --git a/src/code/z_demo.c b/src/code/z_demo.c
index d5135b99d1..fba764e027 100644
--- a/src/code/z_demo.c
+++ b/src/code/z_demo.c
@@ -202,7 +202,7 @@ void Cutscene_StopManual(PlayState* play, CutsceneContext* csCtx) {
 }
 
 void Cutscene_UpdateManual(PlayState* play, CutsceneContext* csCtx) {
-    if (gSaveContext.save.cutsceneIndex < 0xFFF0) {
+    if (gSaveContext.save.cutsceneIndex < CS_INDEX_0) {
         sManualCutsceneHandlers[csCtx->state](play, csCtx);
     }
 }
@@ -214,14 +214,14 @@ void Cutscene_UpdateScripted(PlayState* play, CutsceneContext* csCtx) {
 
         if (CHECK_BTN_ALL(input->press.button, BTN_DLEFT) && (csCtx->state == CS_STATE_IDLE) && IS_CUTSCENE_LAYER) {
             gUseCutsceneCam = false;
-            gSaveContext.save.cutsceneIndex = 0xFFFD;
+            gSaveContext.save.cutsceneIndex = CS_INDEX_EMPTY;
             gSaveContext.cutsceneTrigger = 1;
         }
 
         if (CHECK_BTN_ALL(input->press.button, BTN_DUP) && (csCtx->state == CS_STATE_IDLE) && IS_CUTSCENE_LAYER &&
             !gDebugCamEnabled) {
             gUseCutsceneCam = true;
-            gSaveContext.save.cutsceneIndex = 0xFFFD;
+            gSaveContext.save.cutsceneIndex = CS_INDEX_EMPTY;
             gSaveContext.cutsceneTrigger = 1;
         }
     }
@@ -233,11 +233,11 @@ void Cutscene_UpdateScripted(PlayState* play, CutsceneContext* csCtx) {
 
     if ((gSaveContext.cutsceneTrigger != 0) && (csCtx->state == CS_STATE_IDLE)) {
         PRINTF(T("\nデモ開始要求 発令！", "\nDemo start request issued!"));
-        gSaveContext.save.cutsceneIndex = 0xFFFD;
+        gSaveContext.save.cutsceneIndex = CS_INDEX_EMPTY;
         gSaveContext.cutsceneTrigger = 1;
     }
 
-    if (gSaveContext.save.cutsceneIndex >= 0xFFF0) {
+    if (gSaveContext.save.cutsceneIndex >= CS_INDEX_0) {
         Cutscene_SetupScripted(play, csCtx);
         sScriptedCutsceneHandlers[csCtx->state](play, csCtx);
     }
@@ -616,54 +616,54 @@ void CutsceneCmd_Destination(PlayState* play, CutsceneContext* csCtx, CsCmdDesti
             gSaveContext.forceRisingButtonAlphas = true;
         }
 
-        gSaveContext.save.cutsceneIndex = 0;
+        gSaveContext.save.cutsceneIndex = CS_INDEX_DEFAULT;
 
         switch (cmd->destination) {
             case CS_DEST_CUTSCENE_MAP_GANON_HORSE:
                 play->nextEntranceIndex = ENTR_CUTSCENE_MAP_0;
-                gSaveContext.save.cutsceneIndex = 0xFFF1;
+                gSaveContext.save.cutsceneIndex = CS_INDEX_1;
                 play->transitionTrigger = TRANS_TRIGGER_START;
                 play->transitionType = TRANS_TYPE_FADE_BLACK;
                 break;
 
             case CS_DEST_CUTSCENE_MAP_THREE_GODDESSES:
                 play->nextEntranceIndex = ENTR_CUTSCENE_MAP_0;
-                gSaveContext.save.cutsceneIndex = 0xFFF0;
+                gSaveContext.save.cutsceneIndex = CS_INDEX_0;
                 play->transitionTrigger = TRANS_TRIGGER_START;
                 play->transitionType = TRANS_TYPE_FILL_WHITE;
                 break;
 
             case CS_DEST_GERUDO_VALLEY_DIN_PART_1:
                 play->nextEntranceIndex = ENTR_GERUDO_VALLEY_0;
-                gSaveContext.save.cutsceneIndex = 0xFFF1;
+                gSaveContext.save.cutsceneIndex = CS_INDEX_1;
                 play->transitionTrigger = TRANS_TRIGGER_START;
                 play->transitionType = TRANS_TYPE_FILL_WHITE;
                 break;
 
             case CS_DEST_DEATH_MOUNTAIN_TRAIL_NAYRU:
                 play->nextEntranceIndex = ENTR_DEATH_MOUNTAIN_TRAIL_0;
-                gSaveContext.save.cutsceneIndex = 0xFFF0;
+                gSaveContext.save.cutsceneIndex = CS_INDEX_0;
                 play->transitionTrigger = TRANS_TRIGGER_START;
                 play->transitionType = TRANS_TYPE_FILL_WHITE;
                 break;
 
             case CS_DEST_KOKIRI_FOREST_FARORE:
                 play->nextEntranceIndex = ENTR_KOKIRI_FOREST_0;
-                gSaveContext.save.cutsceneIndex = 0xFFF0;
+                gSaveContext.save.cutsceneIndex = CS_INDEX_0;
                 play->transitionTrigger = TRANS_TRIGGER_START;
                 play->transitionType = TRANS_TYPE_FILL_WHITE;
                 break;
 
             case CS_DEST_CUTSCENE_MAP_TRIFORCE_CREATION:
                 play->nextEntranceIndex = ENTR_CUTSCENE_MAP_0;
-                gSaveContext.save.cutsceneIndex = 0xFFF2;
+                gSaveContext.save.cutsceneIndex = CS_INDEX_2;
                 play->transitionTrigger = TRANS_TRIGGER_START;
                 play->transitionType = TRANS_TYPE_FILL_WHITE;
                 break;
 
             case CS_DEST_KOKIRI_FOREST_RECEIVE_KOKIRI_EMERALD:
                 play->nextEntranceIndex = ENTR_KOKIRI_FOREST_0;
-                gSaveContext.save.cutsceneIndex = 0xFFF2;
+                gSaveContext.save.cutsceneIndex = CS_INDEX_2;
                 play->transitionTrigger = TRANS_TRIGGER_START;
                 play->transitionType = TRANS_TYPE_INSTANT;
                 break;
@@ -676,7 +676,7 @@ void CutsceneCmd_Destination(PlayState* play, CutsceneContext* csCtx, CsCmdDesti
                     SET_EVENTCHKINF(EVENTCHKINF_45);
                     play->nextEntranceIndex = ENTR_CUTSCENE_MAP_0;
                     play->transitionTrigger = TRANS_TRIGGER_START;
-                    gSaveContext.save.cutsceneIndex = 0xFFF3;
+                    gSaveContext.save.cutsceneIndex = CS_INDEX_3;
                     play->transitionType = TRANS_TYPE_INSTANT;
                 } else {
                     if (!IS_CUTSCENE_LAYER) {
@@ -696,21 +696,21 @@ void CutsceneCmd_Destination(PlayState* play, CutsceneContext* csCtx, CsCmdDesti
 
             case CS_DEST_GERUDO_VALLEY_DIN_PART_2:
                 play->nextEntranceIndex = ENTR_GERUDO_VALLEY_0;
-                gSaveContext.save.cutsceneIndex = 0xFFF0;
+                gSaveContext.save.cutsceneIndex = CS_INDEX_0;
                 play->transitionTrigger = TRANS_TRIGGER_START;
                 play->transitionType = TRANS_TYPE_FILL_BROWN;
                 break;
 
             case CS_DEST_LINKS_HOUSE_INTRO:
                 play->nextEntranceIndex = ENTR_LINKS_HOUSE_0;
-                gSaveContext.save.cutsceneIndex = 0xFFF0;
+                gSaveContext.save.cutsceneIndex = CS_INDEX_0;
                 play->transitionTrigger = TRANS_TRIGGER_START;
                 play->transitionType = TRANS_TYPE_FADE_BLACK;
                 break;
 
             case CS_DEST_KOKIRI_FOREST_INTRO:
                 play->nextEntranceIndex = ENTR_KOKIRI_FOREST_0;
-                gSaveContext.save.cutsceneIndex = 0xFFF3;
+                gSaveContext.save.cutsceneIndex = CS_INDEX_3;
                 play->transitionTrigger = TRANS_TRIGGER_START;
                 play->transitionType = TRANS_TYPE_FADE_WHITE;
                 break;
@@ -737,21 +737,21 @@ void CutsceneCmd_Destination(PlayState* play, CutsceneContext* csCtx, CsCmdDesti
             case CS_DEST_TEMPLE_OF_TIME_KOKIRI_EMERALD_RESTORED:
                 play->nextEntranceIndex = ENTR_TEMPLE_OF_TIME_0;
                 play->transitionTrigger = TRANS_TRIGGER_START;
-                gSaveContext.save.cutsceneIndex = 0xFFF4;
+                gSaveContext.save.cutsceneIndex = CS_INDEX_4;
                 play->transitionType = TRANS_TYPE_FADE_WHITE;
                 break;
 
             case CS_DEST_TEMPLE_OF_TIME_GORON_RUBY_RESTORED:
                 play->nextEntranceIndex = ENTR_TEMPLE_OF_TIME_0;
                 play->transitionTrigger = TRANS_TRIGGER_START;
-                gSaveContext.save.cutsceneIndex = 0xFFF5;
+                gSaveContext.save.cutsceneIndex = CS_INDEX_5;
                 play->transitionType = TRANS_TYPE_FADE_WHITE;
                 break;
 
             case CS_DEST_TEMPLE_OF_TIME_ZORAS_SAPPHIRE_RESTORED:
                 play->nextEntranceIndex = ENTR_TEMPLE_OF_TIME_0;
                 play->transitionTrigger = TRANS_TRIGGER_START;
-                gSaveContext.save.cutsceneIndex = 0xFFF6;
+                gSaveContext.save.cutsceneIndex = CS_INDEX_6;
                 play->transitionType = TRANS_TYPE_FADE_WHITE;
                 break;
 
@@ -769,13 +769,13 @@ void CutsceneCmd_Destination(PlayState* play, CutsceneContext* csCtx, CsCmdDesti
                 play->nextEntranceIndex = ENTR_DEATH_MOUNTAIN_TRAIL_0;
                 play->transitionTrigger = TRANS_TRIGGER_START;
                 play->transitionType = TRANS_TYPE_FADE_BLACK_FAST;
-                gSaveContext.save.cutsceneIndex = 0x8000;
+                gSaveContext.save.cutsceneIndex = CS_INDEX_UNK_8000;
                 break;
 
             case CS_DEST_LAKE_HYLIA_WATER_RESTORED:
                 play->nextEntranceIndex = ENTR_LAKE_HYLIA_0;
                 play->transitionTrigger = TRANS_TRIGGER_START;
-                gSaveContext.save.cutsceneIndex = 0xFFF0;
+                gSaveContext.save.cutsceneIndex = CS_INDEX_0;
                 play->transitionType = TRANS_TYPE_FADE_WHITE;
                 break;
 
@@ -783,14 +783,14 @@ void CutsceneCmd_Destination(PlayState* play, CutsceneContext* csCtx, CsCmdDesti
                 Item_Give(play, ITEM_SONG_REQUIEM);
                 play->nextEntranceIndex = ENTR_DESERT_COLOSSUS_0;
                 play->transitionTrigger = TRANS_TRIGGER_START;
-                gSaveContext.save.cutsceneIndex = 0xFFF0;
+                gSaveContext.save.cutsceneIndex = CS_INDEX_0;
                 play->transitionType = TRANS_TYPE_FADE_WHITE;
                 break;
 
             case CS_DEST_CUTSCENE_MAP_GANONDORF_DEFEATED_CREDITS:
                 play->nextEntranceIndex = ENTR_CUTSCENE_MAP_0;
                 play->transitionTrigger = TRANS_TRIGGER_START;
-                gSaveContext.save.cutsceneIndex = 0xFFF8;
+                gSaveContext.save.cutsceneIndex = CS_INDEX_8;
                 play->transitionType = TRANS_TYPE_FADE_WHITE;
                 break;
 
@@ -804,28 +804,28 @@ void CutsceneCmd_Destination(PlayState* play, CutsceneContext* csCtx, CsCmdDesti
                 play->linkAgeOnLoad = LINK_AGE_ADULT;
                 play->nextEntranceIndex = ENTR_CHAMBER_OF_THE_SAGES_0;
                 play->transitionTrigger = TRANS_TRIGGER_START;
-                gSaveContext.save.cutsceneIndex = 0xFFF0;
+                gSaveContext.save.cutsceneIndex = CS_INDEX_0;
                 play->transitionType = TRANS_TYPE_FADE_WHITE;
                 break;
 
             case CS_DEST_TEMPLE_OF_TIME_KOKIRI_EMERALD_RESTORED_2:
                 play->nextEntranceIndex = ENTR_TEMPLE_OF_TIME_0;
                 play->transitionTrigger = TRANS_TRIGGER_START;
-                gSaveContext.save.cutsceneIndex = 0xFFF4;
+                gSaveContext.save.cutsceneIndex = CS_INDEX_4;
                 play->transitionType = TRANS_TYPE_FADE_WHITE;
                 break;
 
             case CS_DEST_TEMPLE_OF_TIME_GORON_RUBY_RESTORED_2:
                 play->nextEntranceIndex = ENTR_TEMPLE_OF_TIME_0;
                 play->transitionTrigger = TRANS_TRIGGER_START;
-                gSaveContext.save.cutsceneIndex = 0xFFF5;
+                gSaveContext.save.cutsceneIndex = CS_INDEX_5;
                 play->transitionType = TRANS_TYPE_FADE_WHITE;
                 break;
 
             case CS_DEST_TEMPLE_OF_TIME_ZORAS_SAPPHIRE_RESTORED_2:
                 play->nextEntranceIndex = ENTR_TEMPLE_OF_TIME_0;
                 play->transitionTrigger = TRANS_TRIGGER_START;
-                gSaveContext.save.cutsceneIndex = 0xFFF6;
+                gSaveContext.save.cutsceneIndex = CS_INDEX_6;
                 play->transitionType = TRANS_TYPE_FADE_WHITE;
                 break;
 
@@ -855,7 +855,7 @@ void CutsceneCmd_Destination(PlayState* play, CutsceneContext* csCtx, CsCmdDesti
                 play->linkAgeOnLoad = LINK_AGE_CHILD;
                 play->nextEntranceIndex = ENTR_HYRULE_FIELD_0;
                 play->transitionTrigger = TRANS_TRIGGER_START;
-                gSaveContext.save.cutsceneIndex = 0xFFF2;
+                gSaveContext.save.cutsceneIndex = CS_INDEX_2;
                 play->transitionType = TRANS_TYPE_INSTANT;
                 break;
 
@@ -868,28 +868,28 @@ void CutsceneCmd_Destination(PlayState* play, CutsceneContext* csCtx, CsCmdDesti
             case CS_DEST_CUTSCENE_MAP_GANONDORF_FROM_MASTER_SWORD:
                 play->nextEntranceIndex = ENTR_CUTSCENE_MAP_0;
                 play->transitionTrigger = TRANS_TRIGGER_START;
-                gSaveContext.save.cutsceneIndex = 0xFFF3;
+                gSaveContext.save.cutsceneIndex = CS_INDEX_3;
                 play->transitionType = TRANS_TYPE_FADE_WHITE;
                 break;
 
             case CS_DEST_HYRULE_FIELD_INTRO_DREAM:
                 play->nextEntranceIndex = ENTR_HYRULE_FIELD_0;
                 play->transitionTrigger = TRANS_TRIGGER_START;
-                gSaveContext.save.cutsceneIndex = 0xFFF0;
+                gSaveContext.save.cutsceneIndex = CS_INDEX_0;
                 play->transitionType = TRANS_TYPE_FADE_BLACK_FAST;
                 break;
 
             case CS_DEST_CUTSCENE_MAP_SHEIKAH_LEGEND:
                 play->nextEntranceIndex = ENTR_CUTSCENE_MAP_0;
                 play->transitionTrigger = TRANS_TRIGGER_START;
-                gSaveContext.save.cutsceneIndex = 0xFFF4;
+                gSaveContext.save.cutsceneIndex = CS_INDEX_4;
                 play->transitionType = TRANS_TYPE_FADE_BLACK_FAST;
                 break;
 
             case CS_DEST_TEMPLE_OF_TIME_ZELDA_REVEAL:
                 play->nextEntranceIndex = ENTR_TEMPLE_OF_TIME_0;
                 play->transitionTrigger = TRANS_TRIGGER_START;
-                gSaveContext.save.cutsceneIndex = 0xFFF9;
+                gSaveContext.save.cutsceneIndex = CS_INDEX_9;
                 play->transitionType = TRANS_TYPE_FADE_BLACK_FAST;
                 break;
 
@@ -897,7 +897,7 @@ void CutsceneCmd_Destination(PlayState* play, CutsceneContext* csCtx, CsCmdDesti
                 play->linkAgeOnLoad = LINK_AGE_ADULT;
                 play->nextEntranceIndex = ENTR_TEMPLE_OF_TIME_0;
                 play->transitionTrigger = TRANS_TRIGGER_START;
-                gSaveContext.save.cutsceneIndex = 0xFFFA;
+                gSaveContext.save.cutsceneIndex = CS_INDEX_A;
                 play->transitionType = TRANS_TYPE_FADE_BLACK_FAST;
                 break;
 
@@ -910,7 +910,7 @@ void CutsceneCmd_Destination(PlayState* play, CutsceneContext* csCtx, CsCmdDesti
             case CS_DEST_KAKARIKO_VILLAGE_DRAIN_WELL:
                 play->nextEntranceIndex = ENTR_KAKARIKO_VILLAGE_0;
                 play->transitionTrigger = TRANS_TRIGGER_START;
-                gSaveContext.save.cutsceneIndex = 0xFFF2;
+                gSaveContext.save.cutsceneIndex = CS_INDEX_2;
                 play->transitionType = TRANS_TYPE_FADE_BLACK_FAST;
                 break;
 
@@ -940,7 +940,7 @@ void CutsceneCmd_Destination(PlayState* play, CutsceneContext* csCtx, CsCmdDesti
                 SET_EVENTCHKINF(EVENTCHKINF_54);
                 play->nextEntranceIndex = ENTR_KAKARIKO_VILLAGE_0;
                 play->transitionTrigger = TRANS_TRIGGER_START;
-                gSaveContext.save.cutsceneIndex = 0xFFF1;
+                gSaveContext.save.cutsceneIndex = CS_INDEX_1;
                 play->transitionType = TRANS_TYPE_FADE_BLACK_FAST;
                 break;
 
@@ -965,14 +965,14 @@ void CutsceneCmd_Destination(PlayState* play, CutsceneContext* csCtx, CsCmdDesti
 
             case CS_DEST_HYRULE_FIELD_FROM_ZELDAS_COURTYARD:
                 play->nextEntranceIndex = ENTR_HYRULE_FIELD_0;
-                gSaveContext.save.cutsceneIndex = 0xFFF8;
+                gSaveContext.save.cutsceneIndex = CS_INDEX_8;
                 play->transitionTrigger = TRANS_TRIGGER_START;
                 play->transitionType = TRANS_TYPE_CIRCLE(TCA_NORMAL, TCC_WHITE, TCS_SLOW);
                 break;
 
             case CS_DEST_TEMPLE_OF_TIME_SONG_OF_TIME:
                 play->nextEntranceIndex = ENTR_TEMPLE_OF_TIME_0;
-                gSaveContext.save.cutsceneIndex = 0xFFF7;
+                gSaveContext.save.cutsceneIndex = CS_INDEX_7;
                 play->transitionTrigger = TRANS_TRIGGER_START;
                 play->transitionType = TRANS_TYPE_INSTANT;
                 break;
@@ -990,56 +990,56 @@ void CutsceneCmd_Destination(PlayState* play, CutsceneContext* csCtx, CsCmdDesti
 #endif
                 play->linkAgeOnLoad = LINK_AGE_CHILD;
                 play->nextEntranceIndex = ENTR_GERUDO_VALLEY_0;
-                gSaveContext.save.cutsceneIndex = 0xFFF2;
+                gSaveContext.save.cutsceneIndex = CS_INDEX_2;
                 play->transitionTrigger = TRANS_TRIGGER_START;
                 play->transitionType = TRANS_TYPE_FADE_BLACK;
                 break;
 
             case CS_DEST_GERUDO_FORTRESS_CREDITS:
                 play->nextEntranceIndex = ENTR_GERUDOS_FORTRESS_0;
-                gSaveContext.save.cutsceneIndex = 0xFFF1;
+                gSaveContext.save.cutsceneIndex = CS_INDEX_1;
                 play->transitionTrigger = TRANS_TRIGGER_START;
                 play->transitionType = TRANS_TYPE_FADE_BLACK;
                 break;
 
             case CS_DEST_KAKARIKO_VILLAGE_CREDITS:
                 play->nextEntranceIndex = ENTR_KAKARIKO_VILLAGE_0;
-                gSaveContext.save.cutsceneIndex = 0xFFF4;
+                gSaveContext.save.cutsceneIndex = CS_INDEX_4;
                 play->transitionTrigger = TRANS_TRIGGER_START;
                 play->transitionType = TRANS_TYPE_FADE_BLACK;
                 break;
 
             case CS_DEST_DEATH_MOUNTAIN_TRAIL_CREDITS_PART_1:
                 play->nextEntranceIndex = ENTR_DEATH_MOUNTAIN_TRAIL_0;
-                gSaveContext.save.cutsceneIndex = 0xFFF3;
+                gSaveContext.save.cutsceneIndex = CS_INDEX_3;
                 play->transitionTrigger = TRANS_TRIGGER_START;
                 play->transitionType = TRANS_TYPE_FADE_BLACK;
                 break;
 
             case CS_DEST_GORON_CITY_CREDITS:
                 play->nextEntranceIndex = ENTR_GORON_CITY_0;
-                gSaveContext.save.cutsceneIndex = 0xFFF1;
+                gSaveContext.save.cutsceneIndex = CS_INDEX_1;
                 play->transitionTrigger = TRANS_TRIGGER_START;
                 play->transitionType = TRANS_TYPE_FADE_BLACK;
                 break;
 
             case CS_DEST_LAKE_HYLIA_CREDITS:
                 play->nextEntranceIndex = ENTR_LAKE_HYLIA_0;
-                gSaveContext.save.cutsceneIndex = 0xFFF1;
+                gSaveContext.save.cutsceneIndex = CS_INDEX_1;
                 play->transitionTrigger = TRANS_TRIGGER_START;
                 play->transitionType = TRANS_TYPE_FADE_BLACK;
                 break;
 
             case CS_DEST_ZORAS_FOUNTAIN_CREDITS:
                 play->nextEntranceIndex = ENTR_ZORAS_FOUNTAIN_0;
-                gSaveContext.save.cutsceneIndex = 0xFFF2;
+                gSaveContext.save.cutsceneIndex = CS_INDEX_2;
                 play->transitionTrigger = TRANS_TRIGGER_START;
                 play->transitionType = TRANS_TYPE_FADE_BLACK;
                 break;
 
             case CS_DEST_ZORAS_DOMAIN_CREDITS:
                 play->nextEntranceIndex = ENTR_ZORAS_DOMAIN_0;
-                gSaveContext.save.cutsceneIndex = 0xFFF0;
+                gSaveContext.save.cutsceneIndex = CS_INDEX_0;
                 play->transitionTrigger = TRANS_TRIGGER_START;
                 play->transitionType = TRANS_TYPE_FADE_BLACK;
                 break;
@@ -1047,21 +1047,21 @@ void CutsceneCmd_Destination(PlayState* play, CutsceneContext* csCtx, CsCmdDesti
             case CS_DEST_KOKIRI_FOREST_CREDITS_PART_1:
                 play->linkAgeOnLoad = LINK_AGE_ADULT;
                 play->nextEntranceIndex = ENTR_KOKIRI_FOREST_0;
-                gSaveContext.save.cutsceneIndex = 0xFFF6;
+                gSaveContext.save.cutsceneIndex = CS_INDEX_6;
                 play->transitionTrigger = TRANS_TRIGGER_START;
                 play->transitionType = TRANS_TYPE_FADE_BLACK;
                 break;
 
             case CS_DEST_KOKIRI_FOREST_CREDITS_PART_2:
                 play->nextEntranceIndex = ENTR_KOKIRI_FOREST_0;
-                gSaveContext.save.cutsceneIndex = 0xFFF7;
+                gSaveContext.save.cutsceneIndex = CS_INDEX_7;
                 play->transitionTrigger = TRANS_TRIGGER_START;
                 play->transitionType = TRANS_TYPE_FADE_BLACK;
                 break;
 
             case CS_DEST_HYRULE_FIELD_CREDITS:
                 play->nextEntranceIndex = ENTR_HYRULE_FIELD_0;
-                gSaveContext.save.cutsceneIndex = 0xFFF5;
+                gSaveContext.save.cutsceneIndex = CS_INDEX_5;
                 play->transitionTrigger = TRANS_TRIGGER_START;
                 play->transitionType = TRANS_TYPE_FADE_BLACK;
                 break;
@@ -1069,7 +1069,7 @@ void CutsceneCmd_Destination(PlayState* play, CutsceneContext* csCtx, CsCmdDesti
             case CS_DEST_LON_LON_RANCH_CREDITS_PART_1_ALT:
                 play->linkAgeOnLoad = LINK_AGE_CHILD;
                 play->nextEntranceIndex = ENTR_LON_LON_RANCH_0;
-                gSaveContext.save.cutsceneIndex = 0xFFF2;
+                gSaveContext.save.cutsceneIndex = CS_INDEX_2;
                 play->transitionTrigger = TRANS_TRIGGER_START;
                 play->transitionType = TRANS_TYPE_FADE_BLACK;
                 break;
@@ -1089,7 +1089,7 @@ void CutsceneCmd_Destination(PlayState* play, CutsceneContext* csCtx, CsCmdDesti
             case CS_DEST_CUTSCENE_MAP_DEKU_SPROUT_PART_2:
                 play->nextEntranceIndex = ENTR_CUTSCENE_MAP_0;
                 play->transitionTrigger = TRANS_TRIGGER_START;
-                gSaveContext.save.cutsceneIndex = 0xFFF5;
+                gSaveContext.save.cutsceneIndex = CS_INDEX_5;
                 play->transitionType = TRANS_TYPE_FADE_BLACK;
                 break;
 
@@ -1102,7 +1102,7 @@ void CutsceneCmd_Destination(PlayState* play, CutsceneContext* csCtx, CsCmdDesti
             case CS_DEST_DEATH_MOUNTAIN_TRAIL_CREDITS_PART_2:
                 play->nextEntranceIndex = ENTR_DEATH_MOUNTAIN_TRAIL_0;
                 play->transitionTrigger = TRANS_TRIGGER_START;
-                gSaveContext.save.cutsceneIndex = 0xFFF4;
+                gSaveContext.save.cutsceneIndex = CS_INDEX_4;
                 play->transitionType = TRANS_TYPE_FADE_BLACK;
                 gSaveContext.nextTransitionType = TRANS_TYPE_FADE_BLACK;
                 break;
@@ -1115,14 +1115,14 @@ void CutsceneCmd_Destination(PlayState* play, CutsceneContext* csCtx, CsCmdDesti
                 play->linkAgeOnLoad = LINK_AGE_CHILD;
                 play->nextEntranceIndex = ENTR_TEMPLE_OF_TIME_0;
                 play->transitionTrigger = TRANS_TRIGGER_START;
-                gSaveContext.save.cutsceneIndex = 0xFFF1;
+                gSaveContext.save.cutsceneIndex = CS_INDEX_1;
                 play->transitionType = TRANS_TYPE_FADE_BLACK;
                 break;
 
             case CS_DEST_ZELDAS_COURTYARD_CREDITS:
                 play->nextEntranceIndex = ENTR_CASTLE_COURTYARD_ZELDA_0;
                 play->transitionTrigger = TRANS_TRIGGER_START;
-                gSaveContext.save.cutsceneIndex = 0xFFF0;
+                gSaveContext.save.cutsceneIndex = CS_INDEX_0;
                 play->transitionType = TRANS_TYPE_FADE_BLACK;
                 gSaveContext.nextTransitionType = TRANS_TYPE_FADE_BLACK;
                 break;
@@ -1131,14 +1131,14 @@ void CutsceneCmd_Destination(PlayState* play, CutsceneContext* csCtx, CsCmdDesti
                 play->linkAgeOnLoad = LINK_AGE_CHILD;
                 play->nextEntranceIndex = ENTR_LON_LON_RANCH_0;
                 play->transitionTrigger = TRANS_TRIGGER_START;
-                gSaveContext.save.cutsceneIndex = 0xFFF2;
+                gSaveContext.save.cutsceneIndex = CS_INDEX_2;
                 play->transitionType = TRANS_TYPE_FADE_BLACK;
                 break;
 
             case CS_DEST_LON_LON_RANCH_CREDITS_PART_2:
                 play->nextEntranceIndex = ENTR_LON_LON_RANCH_0;
                 play->transitionTrigger = TRANS_TRIGGER_START;
-                gSaveContext.save.cutsceneIndex = 0xFFF3;
+                gSaveContext.save.cutsceneIndex = CS_INDEX_3;
                 play->transitionType = TRANS_TYPE_FADE_WHITE;
                 gSaveContext.nextTransitionType = TRANS_TYPE_FADE_WHITE;
                 break;
@@ -1147,7 +1147,7 @@ void CutsceneCmd_Destination(PlayState* play, CutsceneContext* csCtx, CsCmdDesti
                 play->linkAgeOnLoad = LINK_AGE_CHILD;
                 play->nextEntranceIndex = ENTR_LON_LON_RANCH_0;
                 play->transitionTrigger = TRANS_TRIGGER_START;
-                gSaveContext.save.cutsceneIndex = 0xFFF4;
+                gSaveContext.save.cutsceneIndex = CS_INDEX_4;
                 play->transitionType = TRANS_TYPE_FADE_BLACK;
                 break;
 
@@ -1155,7 +1155,7 @@ void CutsceneCmd_Destination(PlayState* play, CutsceneContext* csCtx, CsCmdDesti
                 play->linkAgeOnLoad = LINK_AGE_ADULT;
                 play->nextEntranceIndex = ENTR_LON_LON_RANCH_0;
                 play->transitionTrigger = TRANS_TRIGGER_START;
-                gSaveContext.save.cutsceneIndex = 0xFFF5;
+                gSaveContext.save.cutsceneIndex = CS_INDEX_5;
                 play->transitionType = TRANS_TYPE_FADE_BLACK;
                 break;
 
@@ -1163,14 +1163,14 @@ void CutsceneCmd_Destination(PlayState* play, CutsceneContext* csCtx, CsCmdDesti
                 play->linkAgeOnLoad = LINK_AGE_CHILD;
                 play->nextEntranceIndex = ENTR_LON_LON_RANCH_0;
                 play->transitionTrigger = TRANS_TRIGGER_START;
-                gSaveContext.save.cutsceneIndex = 0xFFF6;
+                gSaveContext.save.cutsceneIndex = CS_INDEX_6;
                 play->transitionType = TRANS_TYPE_FADE_BLACK;
                 break;
 
             case CS_DEST_LON_LON_RANCH_CREDITS_PART_5:
                 play->nextEntranceIndex = ENTR_LON_LON_RANCH_0;
                 play->transitionTrigger = TRANS_TRIGGER_START;
-                gSaveContext.save.cutsceneIndex = 0xFFF7;
+                gSaveContext.save.cutsceneIndex = CS_INDEX_7;
                 play->transitionType = TRANS_TYPE_FADE_BLACK;
                 break;
 
@@ -1210,7 +1210,7 @@ void CutsceneCmd_Destination(PlayState* play, CutsceneContext* csCtx, CsCmdDesti
                     GET_EVENTCHKINF(EVENTCHKINF_4A)) {
                     play->nextEntranceIndex = ENTR_TEMPLE_OF_TIME_0;
                     play->transitionTrigger = TRANS_TRIGGER_START;
-                    gSaveContext.save.cutsceneIndex = 0xFFF3;
+                    gSaveContext.save.cutsceneIndex = CS_INDEX_3;
                     play->transitionType = TRANS_TYPE_FADE_BLACK;
                 } else {
                     switch (gSaveContext.sceneLayer) {
@@ -1229,7 +1229,7 @@ void CutsceneCmd_Destination(PlayState* play, CutsceneContext* csCtx, CsCmdDesti
                         case 10:
                             play->nextEntranceIndex = ENTR_LAKE_HYLIA_0;
                             play->transitionTrigger = TRANS_TRIGGER_START;
-                            gSaveContext.save.cutsceneIndex = 0xFFF0;
+                            gSaveContext.save.cutsceneIndex = CS_INDEX_0;
                             play->transitionType = TRANS_TYPE_FADE_WHITE;
                             break;
                     }
@@ -1240,7 +1240,7 @@ void CutsceneCmd_Destination(PlayState* play, CutsceneContext* csCtx, CsCmdDesti
                 if (CHECK_QUEST_ITEM(QUEST_MEDALLION_SHADOW)) {
                     play->nextEntranceIndex = ENTR_CHAMBER_OF_THE_SAGES_0;
                     play->transitionTrigger = TRANS_TRIGGER_START;
-                    gSaveContext.save.cutsceneIndex = 0xFFF1;
+                    gSaveContext.save.cutsceneIndex = CS_INDEX_1;
                     play->transitionType = TRANS_TYPE_FADE_WHITE_FAST;
                 } else {
                     SET_EVENTCHKINF(EVENTCHKINF_C8);
@@ -1255,7 +1255,7 @@ void CutsceneCmd_Destination(PlayState* play, CutsceneContext* csCtx, CsCmdDesti
                 if (CHECK_QUEST_ITEM(QUEST_MEDALLION_SPIRIT)) {
                     play->nextEntranceIndex = ENTR_CHAMBER_OF_THE_SAGES_0;
                     play->transitionTrigger = TRANS_TRIGGER_START;
-                    gSaveContext.save.cutsceneIndex = 0xFFF1;
+                    gSaveContext.save.cutsceneIndex = CS_INDEX_1;
                     play->transitionType = TRANS_TYPE_FADE_WHITE_FAST;
                 } else {
                     play->nextEntranceIndex = ENTR_GRAVEYARD_8;
@@ -1281,7 +1281,7 @@ void CutsceneCmd_Destination(PlayState* play, CutsceneContext* csCtx, CsCmdDesti
 
             case CS_DEST_KOKIRI_FOREST_FROM_CHAMBER_OF_SAGES:
                 play->nextEntranceIndex = ENTR_KOKIRI_FOREST_0;
-                gSaveContext.save.cutsceneIndex = 0xFFF8;
+                gSaveContext.save.cutsceneIndex = CS_INDEX_8;
                 play->transitionTrigger = TRANS_TRIGGER_START;
                 play->transitionType = TRANS_TYPE_FADE_WHITE;
                 gSaveContext.nextTransitionType = TRANS_TYPE_FADE_WHITE;
@@ -1302,7 +1302,7 @@ void CutsceneCmd_Destination(PlayState* play, CutsceneContext* csCtx, CsCmdDesti
             case CS_DEST_HYRULE_FIELD_TITLE_SCREEN:
                 play->nextEntranceIndex = ENTR_HYRULE_FIELD_0;
                 play->transitionTrigger = TRANS_TRIGGER_START;
-                gSaveContext.save.cutsceneIndex = 0xFFF3;
+                gSaveContext.save.cutsceneIndex = CS_INDEX_3;
                 play->transitionType = TRANS_TYPE_FADE_BLACK;
                 break;
 
@@ -1311,7 +1311,7 @@ void CutsceneCmd_Destination(PlayState* play, CutsceneContext* csCtx, CsCmdDesti
                     case TITLE_DEMO_SPIRIT_TEMPLE:
                         play->nextEntranceIndex = ENTR_SPIRIT_TEMPLE_BOSS_0;
                         play->transitionTrigger = TRANS_TRIGGER_START;
-                        gSaveContext.save.cutsceneIndex = 0xFFF2;
+                        gSaveContext.save.cutsceneIndex = CS_INDEX_2;
                         play->transitionType = TRANS_TYPE_FADE_BLACK;
                         sTitleDemoDestination++;
                         break;
@@ -1319,7 +1319,7 @@ void CutsceneCmd_Destination(PlayState* play, CutsceneContext* csCtx, CsCmdDesti
                     case TITLE_DEMO_DEATH_MOUNTAIN_CRATER:
                         play->nextEntranceIndex = ENTR_DEATH_MOUNTAIN_CRATER_0;
                         play->transitionTrigger = TRANS_TRIGGER_START;
-                        gSaveContext.save.cutsceneIndex = 0xFFF1;
+                        gSaveContext.save.cutsceneIndex = CS_INDEX_1;
                         play->transitionType = TRANS_TYPE_FADE_BLACK;
                         sTitleDemoDestination++;
                         break;
@@ -1327,7 +1327,7 @@ void CutsceneCmd_Destination(PlayState* play, CutsceneContext* csCtx, CsCmdDesti
                     case TITLE_DEMO_GANONDORF_HORSE:
                         play->nextEntranceIndex = ENTR_CUTSCENE_MAP_0;
                         play->transitionTrigger = TRANS_TRIGGER_START;
-                        gSaveContext.save.cutsceneIndex = 0xFFF6;
+                        gSaveContext.save.cutsceneIndex = CS_INDEX_6;
                         play->transitionType = TRANS_TYPE_FADE_BLACK;
                         sTitleDemoDestination = TITLE_DEMO_SPIRIT_TEMPLE;
                         break;
@@ -1337,7 +1337,7 @@ void CutsceneCmd_Destination(PlayState* play, CutsceneContext* csCtx, CsCmdDesti
             case CS_DEST_GRAVEYARD_SUNS_SONG_PART_2:
                 play->nextEntranceIndex = ENTR_GRAVEYARD_0;
                 play->transitionTrigger = TRANS_TRIGGER_START;
-                gSaveContext.save.cutsceneIndex = 0xFFF1;
+                gSaveContext.save.cutsceneIndex = CS_INDEX_1;
                 play->transitionType = TRANS_TYPE_FADE_BLACK;
                 break;
 
@@ -1390,10 +1390,10 @@ void CutsceneCmd_Destination(PlayState* play, CutsceneContext* csCtx, CsCmdDesti
                     play->csCtx.script = SEGMENTED_TO_VIRTUAL(gTowerBarrierCs);
                     play->csCtx.curFrame = 0;
                     gSaveContext.cutsceneTrigger = 1;
-                    gSaveContext.save.cutsceneIndex = 0xFFFF;
+                    gSaveContext.save.cutsceneIndex = CS_INDEX_UNK_FFFF;
                     csCtx->state = CS_STATE_STOP;
                 } else {
-                    gSaveContext.save.cutsceneIndex = 0xFFFF;
+                    gSaveContext.save.cutsceneIndex = CS_INDEX_UNK_FFFF;
                     csCtx->state = CS_STATE_STOP;
                 }
                 break;
@@ -1430,7 +1430,7 @@ void CutsceneCmd_Destination(PlayState* play, CutsceneContext* csCtx, CsCmdDesti
                 Audio_SetSfxBanksMute(0x6F);
                 play->linkAgeOnLoad = LINK_AGE_ADULT;
                 play->nextEntranceIndex = ENTR_HYRULE_FIELD_0;
-                gSaveContext.save.cutsceneIndex = 0xFFF7;
+                gSaveContext.save.cutsceneIndex = CS_INDEX_7;
                 play->transitionTrigger = TRANS_TRIGGER_START;
                 play->transitionType = TRANS_TYPE_FADE_WHITE;
                 break;
@@ -2239,7 +2239,7 @@ void Cutscene_ProcessScript(PlayState* play, CutsceneContext* csCtx, u8* script)
 }
 
 void CutsceneHandler_RunScript(PlayState* play, CutsceneContext* csCtx) {
-    if (gSaveContext.save.cutsceneIndex >= 0xFFF0) {
+    if (gSaveContext.save.cutsceneIndex >= CS_INDEX_0) {
 #if DEBUG_FEATURES
         if (BREG(0) != 0) {
             Gfx* displayList;
@@ -2292,7 +2292,7 @@ void CutsceneHandler_StopScript(PlayState* play, CutsceneContext* csCtx) {
 
         PRINTF(T("\n\n\n\n\nやっぱりここかいな", "\n\n\n\n\nThis is it after all"));
 
-        gSaveContext.save.cutsceneIndex = 0;
+        gSaveContext.save.cutsceneIndex = CS_INDEX_DEFAULT;
         gSaveContext.gameMode = GAMEMODE_NORMAL;
 
         if (gUseCutsceneCam) {
@@ -2318,10 +2318,10 @@ void Cutscene_SetupScripted(PlayState* play, CutsceneContext* csCtx) {
     u8 i;
 
     if ((gSaveContext.cutsceneTrigger != 0) && (csCtx->state == CS_STATE_IDLE) && !Player_InCsMode(play)) {
-        gSaveContext.save.cutsceneIndex = 0xFFFD;
+        gSaveContext.save.cutsceneIndex = CS_INDEX_EMPTY;
     }
 
-    if ((gSaveContext.save.cutsceneIndex >= 0xFFF0) && (csCtx->state == CS_STATE_IDLE)) {
+    if ((gSaveContext.save.cutsceneIndex >= CS_INDEX_0) && (csCtx->state == CS_STATE_IDLE)) {
         CutsceneFlags_Unset(play, 0);
 
         sCurTextId = 0;
@@ -2403,7 +2403,7 @@ void Cutscene_HandleEntranceTriggers(PlayState* play) {
 
         if ((gSaveContext.save.entranceIndex == entranceCutscene->entrance) &&
             (!Flags_GetEventChkInf(entranceCutscene->flag) || (entranceCutscene->flag == EVENTCHKINF_EPONA_OBTAINED)) &&
-            (gSaveContext.save.cutsceneIndex < 0xFFF0) && ((u8)gSaveContext.save.linkAge == requiredAge) &&
+            (gSaveContext.save.cutsceneIndex < CS_INDEX_0) && ((u8)gSaveContext.save.linkAge == requiredAge) &&
             (gSaveContext.respawnFlag <= 0)) {
             Flags_SetEventChkInf(entranceCutscene->flag);
             Cutscene_SetScript(play, entranceCutscene->script);
@@ -2418,32 +2418,32 @@ void Cutscene_HandleConditionalTriggers(PlayState* play) {
     PRINTF("\ngame_info.mode=[%d] restart_flag", ((void)0, gSaveContext.respawnFlag));
 
     if ((gSaveContext.gameMode == GAMEMODE_NORMAL) && (gSaveContext.respawnFlag <= 0) &&
-        (gSaveContext.save.cutsceneIndex < 0xFFF0)) {
+        (gSaveContext.save.cutsceneIndex < CS_INDEX_0)) {
         if ((gSaveContext.save.entranceIndex == ENTR_DESERT_COLOSSUS_1) && !Flags_GetEventChkInf(EVENTCHKINF_AC)) {
             Flags_SetEventChkInf(EVENTCHKINF_AC);
             gSaveContext.save.entranceIndex = ENTR_DESERT_COLOSSUS_0;
-            gSaveContext.save.cutsceneIndex = 0xFFF0;
+            gSaveContext.save.cutsceneIndex = CS_INDEX_0;
         } else if ((gSaveContext.save.entranceIndex == ENTR_KAKARIKO_VILLAGE_0) && LINK_IS_ADULT &&
                    GET_EVENTCHKINF(EVENTCHKINF_48) && GET_EVENTCHKINF(EVENTCHKINF_49) &&
                    GET_EVENTCHKINF(EVENTCHKINF_4A) && !Flags_GetEventChkInf(EVENTCHKINF_AA)) {
             Flags_SetEventChkInf(EVENTCHKINF_AA);
-            gSaveContext.save.cutsceneIndex = 0xFFF0;
+            gSaveContext.save.cutsceneIndex = CS_INDEX_0;
         } else if ((gSaveContext.save.entranceIndex == ENTR_LOST_WOODS_9) && !Flags_GetEventChkInf(EVENTCHKINF_C1)) {
             Flags_SetEventChkInf(EVENTCHKINF_C1);
             Item_Give(play, ITEM_OCARINA_FAIRY);
             gSaveContext.save.entranceIndex = ENTR_LOST_WOODS_0;
-            gSaveContext.save.cutsceneIndex = 0xFFF0;
+            gSaveContext.save.cutsceneIndex = CS_INDEX_0;
         } else if (CHECK_QUEST_ITEM(QUEST_MEDALLION_SPIRIT) && CHECK_QUEST_ITEM(QUEST_MEDALLION_SHADOW) &&
                    LINK_IS_ADULT && !Flags_GetEventChkInf(EVENTCHKINF_C4) &&
                    (gEntranceTable[((void)0, gSaveContext.save.entranceIndex)].sceneId == SCENE_TEMPLE_OF_TIME)) {
             Flags_SetEventChkInf(EVENTCHKINF_C4);
             gSaveContext.save.entranceIndex = ENTR_TEMPLE_OF_TIME_0;
-            gSaveContext.save.cutsceneIndex = 0xFFF8;
+            gSaveContext.save.cutsceneIndex = CS_INDEX_8;
         } else if (!Flags_GetEventChkInf(EVENTCHKINF_C7) &&
                    (gEntranceTable[((void)0, gSaveContext.save.entranceIndex)].sceneId == SCENE_GANON_BOSS)) {
             Flags_SetEventChkInf(EVENTCHKINF_C7);
             gSaveContext.save.entranceIndex = ENTR_GANON_BOSS_0;
-            gSaveContext.save.cutsceneIndex = 0xFFF0;
+            gSaveContext.save.cutsceneIndex = CS_INDEX_0;
         }
     }
 }
diff --git a/src/code/z_horse.c b/src/code/z_horse.c
index d61af32e7e..13585c6024 100644
--- a/src/code/z_horse.c
+++ b/src/code/z_horse.c
@@ -164,15 +164,15 @@ typedef struct HorseCutsceneSpawn {
 
 void Horse_SetupInCutscene(PlayState* play, Player* player) {
     static HorseCutsceneSpawn horseSpawns[] = {
-        { SCENE_GERUDOS_FORTRESS, 0xFFF0, { 3600, 1413, 360 }, 0x8001, HORSE_PTYPE_HORSEBACK_ARCHERY },
-        { SCENE_LON_LON_RANCH, 0xFFF0, { -250, 1, -1580 }, 0x4000, HORSE_PTYPE_6 },  // Horse Race
-        { SCENE_LON_LON_RANCH, 0xFFF1, { 0, 0, 0 }, 0x0000, HORSE_PTYPE_5 },         // Learned Epona's Song
-        { SCENE_LON_LON_RANCH, 0xFFF5, { 0, 0, 0 }, 0x0000, HORSE_PTYPE_7 },         // Credits
-        { SCENE_HYRULE_FIELD, 0xFFF3, { -2961, 313, 7700 }, 0x0000, HORSE_PTYPE_7 }, // Title Screen
-        { SCENE_HYRULE_FIELD, 0xFFF4, { -1900, 313, 7015 }, 0x0000, HORSE_PTYPE_7 },
-        { SCENE_HYRULE_FIELD, 0xFFF5, { -4043, 313, 6933 }, 0x0000, HORSE_PTYPE_7 }, // Credits
-        { SCENE_HYRULE_FIELD, 0xFFF6, { -4043, 313, 6933 }, 0x0000, HORSE_PTYPE_7 }, // Unused. Hopping Lon Lon
-                                                                                     // Ranch North Gate
+        { SCENE_GERUDOS_FORTRESS, CS_INDEX_0, { 3600, 1413, 360 }, 0x8001, HORSE_PTYPE_HORSEBACK_ARCHERY },
+        { SCENE_LON_LON_RANCH, CS_INDEX_0, { -250, 1, -1580 }, 0x4000, HORSE_PTYPE_6 },  // Horse Race
+        { SCENE_LON_LON_RANCH, CS_INDEX_1, { 0, 0, 0 }, 0x0000, HORSE_PTYPE_5 },         // Learned Epona's Song
+        { SCENE_LON_LON_RANCH, CS_INDEX_5, { 0, 0, 0 }, 0x0000, HORSE_PTYPE_7 },         // Credits
+        { SCENE_HYRULE_FIELD, CS_INDEX_3, { -2961, 313, 7700 }, 0x0000, HORSE_PTYPE_7 }, // Title Screen
+        { SCENE_HYRULE_FIELD, CS_INDEX_4, { -1900, 313, 7015 }, 0x0000, HORSE_PTYPE_7 },
+        { SCENE_HYRULE_FIELD, CS_INDEX_5, { -4043, 313, 6933 }, 0x0000, HORSE_PTYPE_7 }, // Credits
+        { SCENE_HYRULE_FIELD, CS_INDEX_6, { -4043, 313, 6933 }, 0x0000, HORSE_PTYPE_7 }, // Unused. Hopping Lon Lon
+                                                                                         // Ranch North Gate
     };
     s32 pad;
     s32 i;
@@ -235,7 +235,7 @@ void Horse_SetupInCutscene(PlayState* play, Player* player) {
                 (((void)0, gSaveContext.save.cutsceneIndex) == horseSpawns[i].cutsceneIndex)) {
                 if (horseSpawns[i].type == HORSE_PTYPE_7) {
                     if ((play->sceneId == SCENE_LON_LON_RANCH) &&
-                        (((void)0, gSaveContext.save.cutsceneIndex) == 0xFFF1)) {
+                        (((void)0, gSaveContext.save.cutsceneIndex) == CS_INDEX_1)) {
                         horseSpawns[i].pos.x = player->actor.world.pos.x;
                         horseSpawns[i].pos.y = player->actor.world.pos.y;
                         horseSpawns[i].pos.z = player->actor.world.pos.z;
diff --git a/src/code/z_kaleido_setup.c b/src/code/z_kaleido_setup.c
index 3b88de28c3..d220bc8c21 100644
--- a/src/code/z_kaleido_setup.c
+++ b/src/code/z_kaleido_setup.c
@@ -72,9 +72,9 @@ void KaleidoSetup_Update(PlayState* play) {
 
     if (!IS_PAUSED(pauseCtx) && play->gameOverCtx.state == GAMEOVER_INACTIVE &&
         play->transitionTrigger == TRANS_TRIGGER_OFF && play->transitionMode == TRANS_MODE_OFF &&
-        gSaveContext.save.cutsceneIndex < 0xFFF0 && gSaveContext.nextCutsceneIndex < 0xFFF0 && !Play_InCsMode(play) &&
-        play->shootingGalleryStatus <= 1 && gSaveContext.magicState != MAGIC_STATE_STEP_CAPACITY &&
-        gSaveContext.magicState != MAGIC_STATE_FILL &&
+        gSaveContext.save.cutsceneIndex < CS_INDEX_0 && gSaveContext.nextCutsceneIndex < CS_INDEX_0 &&
+        !Play_InCsMode(play) && play->shootingGalleryStatus <= 1 &&
+        gSaveContext.magicState != MAGIC_STATE_STEP_CAPACITY && gSaveContext.magicState != MAGIC_STATE_FILL &&
         (play->sceneId != SCENE_BOMBCHU_BOWLING_ALLEY || !Flags_GetSwitch(play, 0x38))) {
 
         if (CHECK_BTN_ALL(input->cur.button, BTN_L) && CHECK_BTN_ALL(input->press.button, BTN_CUP)) {
diff --git a/src/code/z_kankyo.c b/src/code/z_kankyo.c
index 88dcd5e59b..53b70fa0e2 100644
--- a/src/code/z_kankyo.c
+++ b/src/code/z_kankyo.c
@@ -2642,7 +2642,7 @@ void Environment_StopStormNatureAmbience(PlayState* play) {
 
 void Environment_WarpSongLeave(PlayState* play) {
     gWeatherMode = WEATHER_MODE_CLEAR;
-    gSaveContext.save.cutsceneIndex = 0;
+    gSaveContext.save.cutsceneIndex = CS_INDEX_DEFAULT;
     gSaveContext.respawnFlag = -3;
     play->nextEntranceIndex = gSaveContext.respawn[RESPAWN_MODE_RETURN].entranceIndex;
     play->transitionTrigger = TRANS_TRIGGER_START;
diff --git a/src/code/z_message.c b/src/code/z_message.c
index 046d3ff886..a6d85deb90 100644
--- a/src/code/z_message.c
+++ b/src/code/z_message.c
@@ -4429,7 +4429,7 @@ void Message_Update(PlayState* play) {
 
                     if (msgCtx->textId != 0x2061 && msgCtx->textId != 0x2025 && msgCtx->textId != 0x208C &&
                         ((msgCtx->textId < 0x88D || msgCtx->textId >= 0x893) || msgCtx->choiceIndex != 0) &&
-                        (msgCtx->textId != 0x3055 && gSaveContext.save.cutsceneIndex < 0xFFF0)) {
+                        (msgCtx->textId != 0x3055 && gSaveContext.save.cutsceneIndex < CS_INDEX_0)) {
                         PRINTF("=== day_time=%x ", ((void)0, gSaveContext.save.cutsceneIndex));
                         if (play->activeCamId == CAM_ID_MAIN) {
                             if (gSaveContext.prevHudVisibilityMode == HUD_VISIBILITY_NO_CHANGE ||
diff --git a/src/code/z_parameter.c b/src/code/z_parameter.c
index 1498db0fba..60eaa1f898 100644
--- a/src/code/z_parameter.c
+++ b/src/code/z_parameter.c
@@ -668,8 +668,8 @@ void func_80083108(PlayState* play) {
     s16 i;
     s16 sp28 = false;
 
-    if ((gSaveContext.save.cutsceneIndex < 0xFFF0) ||
-        ((play->sceneId == SCENE_LON_LON_RANCH) && (gSaveContext.save.cutsceneIndex == 0xFFF0))) {
+    if ((gSaveContext.save.cutsceneIndex < CS_INDEX_0) ||
+        ((play->sceneId == SCENE_LON_LON_RANCH) && (gSaveContext.save.cutsceneIndex == CS_INDEX_0))) {
         gSaveContext.forceRisingButtonAlphas = false;
 
         if ((player->stateFlags1 & PLAYER_STATE1_23) || (play->shootingGalleryStatus > 1) ||
@@ -3561,7 +3561,7 @@ void Interface_Draw(PlayState* play) {
             (Message_GetState(&play->msgCtx) == TEXT_STATE_EVENT)) {
             // Trade quest timer reached 0
             sSubTimerStateTimer = 40;
-            gSaveContext.save.cutsceneIndex = 0;
+            gSaveContext.save.cutsceneIndex = CS_INDEX_DEFAULT;
             play->transitionTrigger = TRANS_TRIGGER_START;
             play->transitionType = TRANS_TYPE_FADE_WHITE;
             gSaveContext.subTimerState = SUBTIMER_STATE_OFF;
@@ -3899,7 +3899,7 @@ void Interface_Draw(PlayState* play) {
                                                  (play->sceneId != SCENE_INSIDE_GANONS_CASTLE_COLLAPSE))) {
                                                 sSubTimerStateTimer = 40;
                                                 gSaveContext.subTimerState = SUBTIMER_STATE_RESPAWN;
-                                                gSaveContext.save.cutsceneIndex = 0;
+                                                gSaveContext.save.cutsceneIndex = CS_INDEX_DEFAULT;
                                                 Message_StartTextbox(play, 0x71B0, NULL);
                                                 Player_SetCsActionWithHaltedActors(play, NULL, PLAYER_CSACTION_8);
                                             } else {
diff --git a/src/code/z_play.c b/src/code/z_play.c
index d4d28422c3..44f60745ee 100644
--- a/src/code/z_play.c
+++ b/src/code/z_play.c
@@ -93,7 +93,7 @@ void Play_SetViewpoint(PlayState* this, s16 viewpoint) {
 
     this->viewpoint = viewpoint;
 
-    if ((R_SCENE_CAM_TYPE != SCENE_CAM_TYPE_FIXED_SHOP_VIEWPOINT) && (gSaveContext.save.cutsceneIndex < 0xFFF0)) {
+    if ((R_SCENE_CAM_TYPE != SCENE_CAM_TYPE_FIXED_SHOP_VIEWPOINT) && (gSaveContext.save.cutsceneIndex < CS_INDEX_0)) {
         // Play a sfx when the player toggles the camera
         Audio_PlaySfxGeneral((viewpoint == VIEWPOINT_LOCKED) ? NA_SE_SY_CAMERA_ZOOM_DOWN : NA_SE_SY_CAMERA_ZOOM_UP,
                              &gSfxDefaultPos, 4, &gSfxDefaultFreqAndVolScale, &gSfxDefaultFreqAndVolScale,
@@ -348,13 +348,13 @@ void Play_Init(GameState* thisx) {
     AnimTaskQueue_Reset(&this->animTaskQueue);
     Cutscene_InitContext(this, &this->csCtx);
 
-    if (gSaveContext.nextCutsceneIndex != 0xFFEF) {
+    if (gSaveContext.nextCutsceneIndex != CS_INDEX_NEXT_EMPTY) {
         gSaveContext.save.cutsceneIndex = gSaveContext.nextCutsceneIndex;
-        gSaveContext.nextCutsceneIndex = 0xFFEF;
+        gSaveContext.nextCutsceneIndex = CS_INDEX_NEXT_EMPTY;
     }
 
-    if (gSaveContext.save.cutsceneIndex == 0xFFFD) {
-        gSaveContext.save.cutsceneIndex = 0;
+    if (gSaveContext.save.cutsceneIndex == CS_INDEX_EMPTY) {
+        gSaveContext.save.cutsceneIndex = CS_INDEX_DEFAULT;
     }
 
     if (gSaveContext.nextDayTime != NEXT_TIME_NONE) {
@@ -370,10 +370,10 @@ void Play_Init(GameState* thisx) {
 
     Cutscene_HandleConditionalTriggers(this);
 
-    if (gSaveContext.gameMode != GAMEMODE_NORMAL || gSaveContext.save.cutsceneIndex >= 0xFFF0) {
+    if (gSaveContext.gameMode != GAMEMODE_NORMAL || gSaveContext.save.cutsceneIndex >= CS_INDEX_0) {
         gSaveContext.nayrusLoveTimer = 0;
         Magic_Reset(this);
-        gSaveContext.sceneLayer = SCENE_LAYER_CUTSCENE_FIRST + (gSaveContext.save.cutsceneIndex & 0xF);
+        gSaveContext.sceneLayer = GET_CUTSCENE_LAYER(gSaveContext.save.cutsceneIndex);
     } else if (!LINK_IS_ADULT && IS_DAY) {
         gSaveContext.sceneLayer = SCENE_LAYER_CHILD_DAY;
     } else if (!LINK_IS_ADULT && !IS_DAY) {
@@ -623,7 +623,7 @@ void Play_Update(PlayState* this) {
 
                         Interface_ChangeHudVisibilityMode(HUD_VISIBILITY_NOTHING);
 
-                        if (gSaveContext.save.cutsceneIndex >= 0xFFF0) {
+                        if (gSaveContext.save.cutsceneIndex >= CS_INDEX_0) {
                             sceneLayer = SCENE_LAYER_CUTSCENE_FIRST + (gSaveContext.save.cutsceneIndex & 0xF);
                         }
 
diff --git a/src/code/z_scene.c b/src/code/z_scene.c
index feef5ffc62..f147de6153 100644
--- a/src/code/z_scene.c
+++ b/src/code/z_scene.c
@@ -396,7 +396,7 @@ BAD_RETURN(s32) Scene_CommandTimeSettings(PlayState* play, SceneCmd* cmd) {
     play->envCtx.sunPos.y = (Math_CosS(((void)0, gSaveContext.save.dayTime) - CLOCK_TIME(12, 0)) * 120.0f) * 25.0f;
     play->envCtx.sunPos.z = (Math_CosS(((void)0, gSaveContext.save.dayTime) - CLOCK_TIME(12, 0)) * 20.0f) * 25.0f;
 
-    if (((play->envCtx.sceneTimeSpeed == 0) && (gSaveContext.save.cutsceneIndex < 0xFFF0)) ||
+    if (((play->envCtx.sceneTimeSpeed == 0) && (gSaveContext.save.cutsceneIndex < CS_INDEX_0)) ||
         (gSaveContext.save.entranceIndex == ENTR_LAKE_HYLIA_8)) {
 #if OOT_VERSION >= PAL_1_0
         gSaveContext.skyboxTime = ((void)0, gSaveContext.save.dayTime);
@@ -459,7 +459,7 @@ BAD_RETURN(s32) Scene_CommandAlternateHeaderList(PlayState* play, SceneCmd* cmd)
     PRINTF("\n[ZU]sceneset time   =[%X]", ((void)0, gSaveContext.save.cutsceneIndex));
     PRINTF("\n[ZU]sceneset counter=[%X]", ((void)0, gSaveContext.sceneLayer));
 
-    if (gSaveContext.sceneLayer != 0) {
+    if (gSaveContext.sceneLayer != SCENE_LAYER_CHILD_DAY) {
         SceneCmd* altHeader = ((SceneCmd**)SEGMENTED_TO_VIRTUAL(cmd->altHeaders.data))[gSaveContext.sceneLayer - 1];
 
         if (altHeader != NULL) {
@@ -502,7 +502,7 @@ BAD_RETURN(s32) Scene_CommandMiscSettings(PlayState* play, SceneCmd* cmd) {
 
     if (((play->sceneId >= SCENE_HYRULE_FIELD) && (play->sceneId <= SCENE_OUTSIDE_GANONS_CASTLE)) ||
         ((play->sceneId >= SCENE_MARKET_ENTRANCE_DAY) && (play->sceneId <= SCENE_TEMPLE_OF_TIME_EXTERIOR_RUINS))) {
-        if (gSaveContext.save.cutsceneIndex < 0xFFF0) {
+        if (gSaveContext.save.cutsceneIndex < CS_INDEX_0) {
             gSaveContext.save.info.worldMapAreaData |= gBitFlags[((void)0, gSaveContext.worldMapArea)];
             PRINTF("０００  ａｒｅａ＿ａｒｒｉｖａｌ＝%x (%d)\n", gSaveContext.save.info.worldMapAreaData,
                    ((void)0, gSaveContext.worldMapArea));
@@ -515,15 +515,15 @@ void Scene_SetTransitionForNextEntrance(PlayState* play) {
 
     if (!IS_DAY) {
         if (!LINK_IS_ADULT) {
-            entranceIndex = play->nextEntranceIndex + 1;
+            entranceIndex = play->nextEntranceIndex + SCENE_LAYER_CHILD_NIGHT;
         } else {
-            entranceIndex = play->nextEntranceIndex + 3;
+            entranceIndex = play->nextEntranceIndex + SCENE_LAYER_ADULT_NIGHT;
         }
     } else {
         if (!LINK_IS_ADULT) {
-            entranceIndex = play->nextEntranceIndex;
+            entranceIndex = play->nextEntranceIndex + SCENE_LAYER_CHILD_DAY;
         } else {
-            entranceIndex = play->nextEntranceIndex + 2;
+            entranceIndex = play->nextEntranceIndex + SCENE_LAYER_ADULT_DAY;
         }
     }
 
diff --git a/src/code/z_sram.c b/src/code/z_sram.c
index 2eef6db036..eba9b8c034 100644
--- a/src/code/z_sram.c
+++ b/src/code/z_sram.c
@@ -859,11 +859,11 @@ void Sram_InitSave(FileSelectState* fileSelect, SramContext* sramCtx) {
     gSaveContext.save.entranceIndex = ENTR_LINKS_HOUSE_0;
     gSaveContext.save.linkAge = LINK_AGE_CHILD;
     gSaveContext.save.dayTime = CLOCK_TIME(10, 0);
-    gSaveContext.save.cutsceneIndex = 0xFFF1;
+    gSaveContext.save.cutsceneIndex = CS_INDEX_1;
 
 #if DEBUG_FEATURES
     if (fileSelect->buttonIndex == 0) {
-        gSaveContext.save.cutsceneIndex = 0;
+        gSaveContext.save.cutsceneIndex = CS_INDEX_DEFAULT;
     }
 #endif
 
diff --git a/src/overlays/actors/ovl_Bg_Ingate/z_bg_ingate.c b/src/overlays/actors/ovl_Bg_Ingate/z_bg_ingate.c
index e46139117c..aaa5a897ab 100644
--- a/src/overlays/actors/ovl_Bg_Ingate/z_bg_ingate.c
+++ b/src/overlays/actors/ovl_Bg_Ingate/z_bg_ingate.c
@@ -53,7 +53,7 @@ void BgInGate_Init(Actor* thisx, PlayState* play) {
     this->dyna.bgId = DynaPoly_SetBgActor(play, &play->colCtx.dyna, &this->dyna.actor, colHeader);
 
     if ((play->sceneId != SCENE_LON_LON_RANCH || !LINK_IS_ADULT) ||
-        (GET_EVENTCHKINF(EVENTCHKINF_EPONA_OBTAINED) && (gSaveContext.save.cutsceneIndex != 0xFFF0))) {
+        (GET_EVENTCHKINF(EVENTCHKINF_EPONA_OBTAINED) && (gSaveContext.save.cutsceneIndex != CS_INDEX_0))) {
         Actor_Kill(&this->dyna.actor);
         return;
     }
diff --git a/src/overlays/actors/ovl_Bg_Relay_Objects/z_bg_relay_objects.c b/src/overlays/actors/ovl_Bg_Relay_Objects/z_bg_relay_objects.c
index 37591ae020..8bcdf5be1d 100644
--- a/src/overlays/actors/ovl_Bg_Relay_Objects/z_bg_relay_objects.c
+++ b/src/overlays/actors/ovl_Bg_Relay_Objects/z_bg_relay_objects.c
@@ -119,7 +119,7 @@ void BgRelayObjects_Destroy(Actor* thisx, PlayState* play) {
     BgRelayObjects* this = (BgRelayObjects*)thisx;
 
     DynaPoly_DeleteBgActor(play, &play->colCtx.dyna, this->dyna.bgId);
-    if ((this->dyna.actor.params == WINDMILL_ROTATING_GEAR) && (gSaveContext.save.cutsceneIndex < 0xFFF0)) {
+    if ((this->dyna.actor.params == WINDMILL_ROTATING_GEAR) && (gSaveContext.save.cutsceneIndex < CS_INDEX_0)) {
         CLEAR_EVENTCHKINF(EVENTCHKINF_65);
     }
 }
diff --git a/src/overlays/actors/ovl_Bg_Spot00_Hanebasi/z_bg_spot00_hanebasi.c b/src/overlays/actors/ovl_Bg_Spot00_Hanebasi/z_bg_spot00_hanebasi.c
index c305635b83..6d4ecb5845 100644
--- a/src/overlays/actors/ovl_Bg_Spot00_Hanebasi/z_bg_spot00_hanebasi.c
+++ b/src/overlays/actors/ovl_Bg_Spot00_Hanebasi/z_bg_spot00_hanebasi.c
@@ -231,7 +231,7 @@ void BgSpot00Hanebasi_Update(Actor* thisx, PlayState* play) {
                     this->actionFunc = BgSpot00Hanebasi_DoNothing;
                     Player_SetCsActionWithHaltedActors(play, &player->actor, PLAYER_CSACTION_8);
                     play->nextEntranceIndex = ENTR_HYRULE_FIELD_0;
-                    gSaveContext.nextCutsceneIndex = 0xFFF1;
+                    gSaveContext.nextCutsceneIndex = CS_INDEX_1;
                     play->transitionTrigger = TRANS_TRIGGER_START;
                     play->transitionType = TRANS_TYPE_FADE_BLACK_FAST;
                 } else if (Actor_IsFacingAndNearPlayer(&this->dyna.actor, 3000.0f, 0x7530)) {
diff --git a/src/overlays/actors/ovl_Boss_Ganon2/z_boss_ganon2.c b/src/overlays/actors/ovl_Boss_Ganon2/z_boss_ganon2.c
index e2742e3bef..595406ff8c 100644
--- a/src/overlays/actors/ovl_Boss_Ganon2/z_boss_ganon2.c
+++ b/src/overlays/actors/ovl_Boss_Ganon2/z_boss_ganon2.c
@@ -2130,7 +2130,7 @@ void func_8090120C(BossGanon2* this, PlayState* play) {
             FALLTHROUGH;
         case 20:
             play->nextEntranceIndex = ENTR_CHAMBER_OF_THE_SAGES_0;
-            gSaveContext.nextCutsceneIndex = 0xFFF2;
+            gSaveContext.nextCutsceneIndex = CS_INDEX_2;
             play->transitionTrigger = TRANS_TRIGGER_START;
             play->transitionType = TRANS_TYPE_FADE_WHITE;
             play->linkAgeOnLoad = LINK_AGE_CHILD;
diff --git a/src/overlays/actors/ovl_Door_Warp1/z_door_warp1.c b/src/overlays/actors/ovl_Door_Warp1/z_door_warp1.c
index 79f4feca86..ccfd6afda9 100644
--- a/src/overlays/actors/ovl_Door_Warp1/z_door_warp1.c
+++ b/src/overlays/actors/ovl_Door_Warp1/z_door_warp1.c
@@ -508,7 +508,7 @@ void DoorWarp1_ChildWarpOut(DoorWarp1* this, PlayState* play) {
     Math_SmoothStepToF(&this->lightRayAlpha, 0.0f, 0.2f, 6.0f, 0.01f);
     this->warpTimer++;
 
-    if (sWarpTimerTarget < this->warpTimer && gSaveContext.nextCutsceneIndex == 0xFFEF) {
+    if (sWarpTimerTarget < this->warpTimer && gSaveContext.nextCutsceneIndex == CS_INDEX_NEXT_EMPTY) {
         PRINTF("\n\n\nじかんがきたからおーしまい fade_direction=[%d]", play->transitionTrigger, TRANS_TRIGGER_START);
 
         if (play->sceneId == SCENE_DODONGOS_CAVERN_BOSS) {
@@ -516,10 +516,10 @@ void DoorWarp1_ChildWarpOut(DoorWarp1* this, PlayState* play) {
                 Flags_SetEventChkInf(EVENTCHKINF_25);
                 Item_Give(play, ITEM_GORON_RUBY);
                 play->nextEntranceIndex = ENTR_DEATH_MOUNTAIN_TRAIL_0;
-                gSaveContext.nextCutsceneIndex = 0xFFF1;
+                gSaveContext.nextCutsceneIndex = CS_INDEX_1;
             } else {
                 play->nextEntranceIndex = ENTR_DEATH_MOUNTAIN_TRAIL_5;
-                gSaveContext.nextCutsceneIndex = 0;
+                gSaveContext.nextCutsceneIndex = CS_INDEX_DEFAULT;
             }
         } else if (play->sceneId == SCENE_DEKU_TREE_BOSS) {
             if (!Flags_GetEventChkInf(EVENTCHKINF_07)) {
@@ -527,14 +527,14 @@ void DoorWarp1_ChildWarpOut(DoorWarp1* this, PlayState* play) {
                 Flags_SetEventChkInf(EVENTCHKINF_09);
                 Item_Give(play, ITEM_KOKIRI_EMERALD);
                 play->nextEntranceIndex = ENTR_KOKIRI_FOREST_0;
-                gSaveContext.nextCutsceneIndex = 0xFFF1;
+                gSaveContext.nextCutsceneIndex = CS_INDEX_1;
             } else {
                 play->nextEntranceIndex = ENTR_KOKIRI_FOREST_11;
-                gSaveContext.nextCutsceneIndex = 0;
+                gSaveContext.nextCutsceneIndex = CS_INDEX_DEFAULT;
             }
         } else if (play->sceneId == SCENE_JABU_JABU_BOSS) {
             play->nextEntranceIndex = ENTR_ZORAS_FOUNTAIN_0;
-            gSaveContext.nextCutsceneIndex = 0;
+            gSaveContext.nextCutsceneIndex = CS_INDEX_DEFAULT;
         }
         PRINTF("\n\n\nおわりおわり");
         play->transitionTrigger = TRANS_TRIGGER_START;
@@ -619,11 +619,11 @@ void DoorWarp1_RutoWarpOut(DoorWarp1* this, PlayState* play) {
     Math_SmoothStepToF(&this->lightRayAlpha, 0.0f, 0.2f, 6.0f, 0.01f);
     this->warpTimer++;
 
-    if (this->warpTimer > sWarpTimerTarget && gSaveContext.nextCutsceneIndex == 0xFFEF) {
+    if (this->warpTimer > sWarpTimerTarget && gSaveContext.nextCutsceneIndex == CS_INDEX_NEXT_EMPTY) {
         SET_EVENTCHKINF(EVENTCHKINF_37);
         Item_Give(play, ITEM_ZORA_SAPPHIRE);
         play->nextEntranceIndex = ENTR_ZORAS_FOUNTAIN_0;
-        gSaveContext.nextCutsceneIndex = 0xFFF0;
+        gSaveContext.nextCutsceneIndex = CS_INDEX_0;
         play->transitionTrigger = TRANS_TRIGGER_START;
         play->transitionType = TRANS_TYPE_FADE_WHITE_SLOW;
     }
@@ -719,13 +719,13 @@ void DoorWarp1_AdultWarpOut(DoorWarp1* this, PlayState* play) {
     }
     this->warpTimer++;
 
-    if (this->warpTimer > sWarpTimerTarget && gSaveContext.nextCutsceneIndex == 0xFFEF) {
+    if (this->warpTimer > sWarpTimerTarget && gSaveContext.nextCutsceneIndex == CS_INDEX_NEXT_EMPTY) {
         if (play->sceneId == SCENE_FOREST_TEMPLE_BOSS) {
             if (!GET_EVENTCHKINF(EVENTCHKINF_48)) {
                 SET_EVENTCHKINF(EVENTCHKINF_48);
                 Item_Give(play, ITEM_MEDALLION_FOREST);
                 play->nextEntranceIndex = ENTR_CHAMBER_OF_THE_SAGES_0;
-                gSaveContext.nextCutsceneIndex = 0;
+                gSaveContext.nextCutsceneIndex = CS_INDEX_DEFAULT;
                 gSaveContext.chamberCutsceneNum = CHAMBER_CS_FOREST;
             } else {
                 if (!LINK_IS_ADULT) {
@@ -733,28 +733,28 @@ void DoorWarp1_AdultWarpOut(DoorWarp1* this, PlayState* play) {
                 } else {
                     play->nextEntranceIndex = ENTR_SACRED_FOREST_MEADOW_3;
                 }
-                gSaveContext.nextCutsceneIndex = 0;
+                gSaveContext.nextCutsceneIndex = CS_INDEX_DEFAULT;
             }
         } else if (play->sceneId == SCENE_FIRE_TEMPLE_BOSS) {
             if (!GET_EVENTCHKINF(EVENTCHKINF_49)) {
                 SET_EVENTCHKINF(EVENTCHKINF_49);
                 Item_Give(play, ITEM_MEDALLION_FIRE);
                 play->nextEntranceIndex = ENTR_KAKARIKO_VILLAGE_0;
-                gSaveContext.nextCutsceneIndex = 0xFFF3;
+                gSaveContext.nextCutsceneIndex = CS_INDEX_3;
             } else {
                 if (!LINK_IS_ADULT) {
                     play->nextEntranceIndex = ENTR_DEATH_MOUNTAIN_CRATER_4;
                 } else {
                     play->nextEntranceIndex = ENTR_DEATH_MOUNTAIN_CRATER_5;
                 }
-                gSaveContext.nextCutsceneIndex = 0;
+                gSaveContext.nextCutsceneIndex = CS_INDEX_DEFAULT;
             }
         } else if (play->sceneId == SCENE_WATER_TEMPLE_BOSS) {
             if (!GET_EVENTCHKINF(EVENTCHKINF_4A)) {
                 SET_EVENTCHKINF(EVENTCHKINF_4A);
                 Item_Give(play, ITEM_MEDALLION_WATER);
                 play->nextEntranceIndex = ENTR_CHAMBER_OF_THE_SAGES_0;
-                gSaveContext.nextCutsceneIndex = 0;
+                gSaveContext.nextCutsceneIndex = CS_INDEX_DEFAULT;
                 gSaveContext.chamberCutsceneNum = CHAMBER_CS_WATER;
             } else {
                 if (!LINK_IS_ADULT) {
@@ -762,13 +762,13 @@ void DoorWarp1_AdultWarpOut(DoorWarp1* this, PlayState* play) {
                 } else {
                     play->nextEntranceIndex = ENTR_LAKE_HYLIA_9;
                 }
-                gSaveContext.nextCutsceneIndex = 0;
+                gSaveContext.nextCutsceneIndex = CS_INDEX_DEFAULT;
             }
         } else if (play->sceneId == SCENE_SPIRIT_TEMPLE_BOSS) {
             if (!CHECK_QUEST_ITEM(QUEST_MEDALLION_SPIRIT)) {
                 Item_Give(play, ITEM_MEDALLION_SPIRIT);
                 play->nextEntranceIndex = ENTR_CHAMBER_OF_THE_SAGES_0;
-                gSaveContext.nextCutsceneIndex = 0;
+                gSaveContext.nextCutsceneIndex = CS_INDEX_DEFAULT;
                 gSaveContext.chamberCutsceneNum = CHAMBER_CS_SPIRIT;
             } else {
                 if (!LINK_IS_ADULT) {
@@ -776,13 +776,13 @@ void DoorWarp1_AdultWarpOut(DoorWarp1* this, PlayState* play) {
                 } else {
                     play->nextEntranceIndex = ENTR_DESERT_COLOSSUS_8;
                 }
-                gSaveContext.nextCutsceneIndex = 0;
+                gSaveContext.nextCutsceneIndex = CS_INDEX_DEFAULT;
             }
         } else if (play->sceneId == SCENE_SHADOW_TEMPLE_BOSS) {
             if (!CHECK_QUEST_ITEM(QUEST_MEDALLION_SHADOW)) {
                 Item_Give(play, ITEM_MEDALLION_SHADOW);
                 play->nextEntranceIndex = ENTR_CHAMBER_OF_THE_SAGES_0;
-                gSaveContext.nextCutsceneIndex = 0;
+                gSaveContext.nextCutsceneIndex = CS_INDEX_DEFAULT;
                 gSaveContext.chamberCutsceneNum = CHAMBER_CS_SHADOW;
             } else {
                 if (!LINK_IS_ADULT) {
@@ -790,7 +790,7 @@ void DoorWarp1_AdultWarpOut(DoorWarp1* this, PlayState* play) {
                 } else {
                     play->nextEntranceIndex = ENTR_GRAVEYARD_8;
                 }
-                gSaveContext.nextCutsceneIndex = 0;
+                gSaveContext.nextCutsceneIndex = CS_INDEX_DEFAULT;
             }
         }
         play->transitionTrigger = TRANS_TRIGGER_START;
diff --git a/src/overlays/actors/ovl_En_Du/z_en_du.c b/src/overlays/actors/ovl_En_Du/z_en_du.c
index 1f716b977d..b6b3b06148 100644
--- a/src/overlays/actors/ovl_En_Du/z_en_du.c
+++ b/src/overlays/actors/ovl_En_Du/z_en_du.c
@@ -307,7 +307,7 @@ void EnDu_Init(Actor* thisx, PlayState* play) {
     this->actor.attentionRangeType = ATTENTION_RANGE_1;
     this->interactInfo.talkState = NPC_TALK_STATE_IDLE;
 
-    if (gSaveContext.save.cutsceneIndex >= 0xFFF0) {
+    if (gSaveContext.save.cutsceneIndex >= CS_INDEX_0) {
         play->csCtx.script = SEGMENTED_TO_VIRTUAL(gGoronCityDaruniaDancingCs);
         gSaveContext.cutsceneTrigger = 1;
         EnDu_SetupAction(this, func_809FE890);
diff --git a/src/overlays/actors/ovl_En_Ge1/z_en_ge1.c b/src/overlays/actors/ovl_En_Ge1/z_en_ge1.c
index c47c8271e5..57b447f0b5 100644
--- a/src/overlays/actors/ovl_En_Ge1/z_en_ge1.c
+++ b/src/overlays/actors/ovl_En_Ge1/z_en_ge1.c
@@ -592,7 +592,7 @@ void EnGe1_BeginGame_Archery(EnGe1* this, PlayState* play) {
                 } else {
                     Rupees_ChangeBy(-20);
                     play->nextEntranceIndex = ENTR_GERUDOS_FORTRESS_0;
-                    gSaveContext.nextCutsceneIndex = 0xFFF0;
+                    gSaveContext.nextCutsceneIndex = CS_INDEX_0;
                     play->transitionType = TRANS_TYPE_CIRCLE(TCA_STARBURST, TCC_BLACK, TCS_FAST);
                     play->transitionTrigger = TRANS_TRIGGER_START;
                     SET_EVENTINF(EVENTINF_HORSES_08);
diff --git a/src/overlays/actors/ovl_En_Horse/z_en_horse.c b/src/overlays/actors/ovl_En_Horse/z_en_horse.c
index dded516560..bed87194ec 100644
--- a/src/overlays/actors/ovl_En_Horse/z_en_horse.c
+++ b/src/overlays/actors/ovl_En_Horse/z_en_horse.c
@@ -2569,7 +2569,7 @@ void EnHorse_UpdateHorsebackArchery(EnHorse* this, PlayState* play) {
     EnHorse_UpdateHbaRaceInfo(this, play, &sHbaInfo);
     if ((this->hbaFlags & 1) || (this->hbaTimer >= 46)) {
         if ((isFanfarePlaying != true) && (gSaveContext.minigameState != 3)) {
-            gSaveContext.save.cutsceneIndex = 0;
+            gSaveContext.save.cutsceneIndex = CS_INDEX_DEFAULT;
             play->nextEntranceIndex = ENTR_GERUDOS_FORTRESS_16;
             play->transitionTrigger = TRANS_TRIGGER_START;
             play->transitionType = TRANS_TYPE_CIRCLE(TCA_NORMAL, TCC_BLACK, TCS_FAST);
diff --git a/src/overlays/actors/ovl_En_Horse_Game_Check/z_en_horse_game_check.c b/src/overlays/actors/ovl_En_Horse_Game_Check/z_en_horse_game_check.c
index eefef20798..5a89923089 100644
--- a/src/overlays/actors/ovl_En_Horse_Game_Check/z_en_horse_game_check.c
+++ b/src/overlays/actors/ovl_En_Horse_Game_Check/z_en_horse_game_check.c
@@ -120,7 +120,7 @@ s32 EnHorseGameCheck_DestroyIngoRace(EnHorseGameCheckBase* base, PlayState* play
 }
 
 void EnHorseGameCheck_FinishIngoRace(EnHorseGameCheckIngoRace* this, PlayState* play) {
-    gSaveContext.save.cutsceneIndex = 0;
+    gSaveContext.save.cutsceneIndex = CS_INDEX_DEFAULT;
     if (this->result == INGO_RACE_PLAYER_WIN) {
         play->nextEntranceIndex = ENTR_LON_LON_RANCH_7;
         if (GET_EVENTINF(EVENTINF_INGO_RACE_SECOND_RACE)) {
@@ -307,21 +307,21 @@ s32 EnHorseGameCheck_DestroyMalonRace(EnHorseGameCheckBase* base, PlayState* pla
 
 void EnHorseGameCheck_FinishMalonRace(EnHorseGameCheckMalonRace* this, PlayState* play) {
     if ((this->result == MALONRACE_SUCCESS) || (this->result == MALONRACE_TIME_UP)) {
-        gSaveContext.save.cutsceneIndex = 0;
+        gSaveContext.save.cutsceneIndex = CS_INDEX_DEFAULT;
         play->nextEntranceIndex = ENTR_LON_LON_RANCH_7;
         play->transitionType = TRANS_TYPE_CIRCLE(TCA_STARBURST, TCC_WHITE, TCS_FAST);
         play->transitionTrigger = TRANS_TRIGGER_START;
     } else if (this->result == MALONRACE_FAILURE) {
         gSaveContext.timerSeconds = 240;
         gSaveContext.timerState = TIMER_STATE_UP_FREEZE;
-        gSaveContext.save.cutsceneIndex = 0;
+        gSaveContext.save.cutsceneIndex = CS_INDEX_DEFAULT;
         play->nextEntranceIndex = ENTR_LON_LON_RANCH_7;
         play->transitionType = TRANS_TYPE_CIRCLE(TCA_STARBURST, TCC_WHITE, TCS_FAST);
         play->transitionTrigger = TRANS_TRIGGER_START;
     } else {
         // "not supported"
         PRINTF("En_HGC_Spot20_Ta_end():対応せず\n");
-        gSaveContext.save.cutsceneIndex = 0;
+        gSaveContext.save.cutsceneIndex = CS_INDEX_DEFAULT;
         play->nextEntranceIndex = ENTR_LON_LON_RANCH_0;
         play->transitionType = TRANS_TYPE_CIRCLE(TCA_STARBURST, TCC_WHITE, TCS_FAST);
         play->transitionTrigger = TRANS_TRIGGER_START;
diff --git a/src/overlays/actors/ovl_En_Horse_Link_Child/z_en_horse_link_child.c b/src/overlays/actors/ovl_En_Horse_Link_Child/z_en_horse_link_child.c
index 1610147130..e169bf0120 100644
--- a/src/overlays/actors/ovl_En_Horse_Link_Child/z_en_horse_link_child.c
+++ b/src/overlays/actors/ovl_En_Horse_Link_Child/z_en_horse_link_child.c
@@ -375,7 +375,7 @@ void func_80A6A068(EnHorseLinkChild* this, PlayState* play) {
     }
 
     if ((GET_EVENTCHKINF(EVENTCHKINF_CAN_LEARN_EPONAS_SONG) && R_EPONAS_SONG_PLAYED) ||
-        ((play->sceneId == SCENE_LON_LON_RANCH) && (gSaveContext.save.cutsceneIndex == 0xFFF1))) {
+        ((play->sceneId == SCENE_LON_LON_RANCH) && (gSaveContext.save.cutsceneIndex == CS_INDEX_1))) {
         func_80A6A4DC(this);
     } else {
         this->unk_2A0 = GET_EVENTCHKINF(EVENTCHKINF_CAN_LEARN_EPONAS_SONG);
diff --git a/src/overlays/actors/ovl_En_In/z_en_in.c b/src/overlays/actors/ovl_En_In/z_en_in.c
index 521b8dcbfa..8d60672c4f 100644
--- a/src/overlays/actors/ovl_En_In/z_en_in.c
+++ b/src/overlays/actors/ovl_En_In/z_en_in.c
@@ -457,7 +457,7 @@ void func_80A79BAC(EnIn* this, PlayState* play, s32 index, u32 transitionType) {
 
     play->nextEntranceIndex = entrances[index];
     if (index == 2) {
-        gSaveContext.nextCutsceneIndex = 0xFFF0;
+        gSaveContext.nextCutsceneIndex = CS_INDEX_0;
     }
     play->transitionType = transitionType;
     play->transitionTrigger = TRANS_TRIGGER_START;
diff --git a/src/overlays/actors/ovl_En_Ma1/z_en_ma1.c b/src/overlays/actors/ovl_En_Ma1/z_en_ma1.c
index 9c1689a524..a885387727 100644
--- a/src/overlays/actors/ovl_En_Ma1/z_en_ma1.c
+++ b/src/overlays/actors/ovl_En_Ma1/z_en_ma1.c
@@ -394,7 +394,7 @@ void EnMa1_WaitForPlayback(EnMa1* this, PlayState* play) {
     GET_PLAYER(play)->stateFlags2 |= PLAYER_STATE2_23;
     if (play->msgCtx.ocarinaMode == OCARINA_MODE_03) {
         play->nextEntranceIndex = ENTR_LON_LON_RANCH_0;
-        gSaveContext.nextCutsceneIndex = 0xFFF1;
+        gSaveContext.nextCutsceneIndex = CS_INDEX_1;
         play->transitionType = TRANS_TYPE_CIRCLE(TCA_WAVE, TCC_WHITE, TCS_FAST);
         play->transitionTrigger = TRANS_TRIGGER_START;
         this->actionFunc = EnMa1_DoNothing;
diff --git a/src/overlays/actors/ovl_En_Ma3/z_en_ma3.c b/src/overlays/actors/ovl_En_Ma3/z_en_ma3.c
index cdac009221..f50b196280 100644
--- a/src/overlays/actors/ovl_En_Ma3/z_en_ma3.c
+++ b/src/overlays/actors/ovl_En_Ma3/z_en_ma3.c
@@ -133,7 +133,7 @@ s16 EnMa3_UpdateTalkState(PlayState* play, Actor* thisx) {
         case TEXT_STATE_EVENT:
             if (Message_ShouldAdvance(play)) {
                 play->nextEntranceIndex = ENTR_LON_LON_RANCH_0;
-                gSaveContext.nextCutsceneIndex = 0xFFF0;
+                gSaveContext.nextCutsceneIndex = CS_INDEX_0;
                 play->transitionType = TRANS_TYPE_CIRCLE(TCA_STARBURST, TCC_BLACK, TCS_FAST);
                 play->transitionTrigger = TRANS_TRIGGER_START;
                 SET_EVENTINF(EVENTINF_HORSES_0A);
diff --git a/src/overlays/actors/ovl_En_Sa/z_en_sa.c b/src/overlays/actors/ovl_En_Sa/z_en_sa.c
index fb834576fb..f1407355e9 100644
--- a/src/overlays/actors/ovl_En_Sa/z_en_sa.c
+++ b/src/overlays/actors/ovl_En_Sa/z_en_sa.c
@@ -393,7 +393,7 @@ void EnSa_ChangeAnim(EnSa* this, s32 index) {
 }
 
 s32 func_80AF5DFC(EnSa* this, PlayState* play) {
-    if (gSaveContext.save.cutsceneIndex >= 0xFFF0 && gSaveContext.save.cutsceneIndex != 0xFFFD) {
+    if (gSaveContext.save.cutsceneIndex >= CS_INDEX_0 && gSaveContext.save.cutsceneIndex != CS_INDEX_EMPTY) {
         if (play->sceneId == SCENE_KOKIRI_FOREST) {
             return 4;
         }
diff --git a/src/overlays/actors/ovl_En_Zl4/z_en_zl4.c b/src/overlays/actors/ovl_En_Zl4/z_en_zl4.c
index a18efd4ba9..50f2704e7c 100644
--- a/src/overlays/actors/ovl_En_Zl4/z_en_zl4.c
+++ b/src/overlays/actors/ovl_En_Zl4/z_en_zl4.c
@@ -796,7 +796,7 @@ s32 EnZl4_CsAskName(EnZl4* this, PlayState* play) {
             if (this->talkTimer2 == 130) {
                 play->msgCtx.msgMode = MSGMODE_PAUSED;
                 play->nextEntranceIndex = ENTR_CUTSCENE_MAP_0;
-                gSaveContext.nextCutsceneIndex = 0xFFF7;
+                gSaveContext.nextCutsceneIndex = CS_INDEX_7;
                 play->transitionTrigger = TRANS_TRIGGER_START;
                 play->transitionType = TRANS_TYPE_FADE_WHITE;
             }
diff --git a/src/overlays/actors/ovl_Obj_Dekujr/z_obj_dekujr.c b/src/overlays/actors/ovl_Obj_Dekujr/z_obj_dekujr.c
index 2c77570a41..7e07364fdc 100644
--- a/src/overlays/actors/ovl_Obj_Dekujr/z_obj_dekujr.c
+++ b/src/overlays/actors/ovl_Obj_Dekujr/z_obj_dekujr.c
@@ -52,7 +52,7 @@ void ObjDekujr_Init(Actor* thisx, PlayState* play) {
     ObjDekujr* this = (ObjDekujr*)thisx;
     s32 pad;
 
-    if (gSaveContext.save.cutsceneIndex < 0xFFF0) {
+    if (gSaveContext.save.cutsceneIndex < CS_INDEX_0) {
         if (!LINK_IS_ADULT) {
             Actor_Kill(thisx);
             return;
@@ -148,7 +148,7 @@ void ObjDekujr_Update(Actor* thisx, PlayState* play) {
 
     Collider_UpdateCylinder(&this->actor, &this->collider);
     CollisionCheck_SetOC(play, &play->colChkCtx, &this->collider.base);
-    if ((gSaveContext.save.cutsceneIndex >= 0xFFF0) && (this->unk_19B == 0)) {
+    if ((gSaveContext.save.cutsceneIndex >= CS_INDEX_0) && (this->unk_19B == 0)) {
         this->unk_19C = 0;
         this->unk_19B = 1;
     }
diff --git a/src/overlays/actors/ovl_player_actor/z_player.c b/src/overlays/actors/ovl_player_actor/z_player.c
index 5f93be1107..09074dee1b 100644
--- a/src/overlays/actors/ovl_player_actor/z_player.c
+++ b/src/overlays/actors/ovl_player_actor/z_player.c
@@ -10797,7 +10797,7 @@ void Player_Init(Actor* thisx, PlayState* play2) {
     startMode = PLAYER_GET_START_MODE(thisx);
 
     if ((startMode == PLAYER_START_MODE_WARP_SONG) || (startMode == PLAYER_START_MODE_FARORES_WIND)) {
-        if (gSaveContext.save.cutsceneIndex >= 0xFFF0) {
+        if (gSaveContext.save.cutsceneIndex >= CS_INDEX_0) {
             startMode = PLAYER_START_MODE_IDLE;
         }
     }
@@ -13721,7 +13721,7 @@ s32 func_8084DFF4(PlayState* play, Player* this) {
             if (this->getItemId == GI_SILVER_GAUNTLETS) {
                 play->nextEntranceIndex = ENTR_DESERT_COLOSSUS_0;
                 play->transitionTrigger = TRANS_TRIGGER_START;
-                gSaveContext.nextCutsceneIndex = 0xFFF1;
+                gSaveContext.nextCutsceneIndex = CS_INDEX_1;
                 play->transitionType = TRANS_TYPE_SANDSTORM_END;
                 this->stateFlags1 &= ~PLAYER_STATE1_29;
                 Player_TryCsAction(play, NULL, PLAYER_CSACTION_8);
diff --git a/src/overlays/gamestates/ovl_file_choose/z_file_choose.c b/src/overlays/gamestates/ovl_file_choose/z_file_choose.c
index c3d9302ee8..1046fa17a2 100644
--- a/src/overlays/gamestates/ovl_file_choose/z_file_choose.c
+++ b/src/overlays/gamestates/ovl_file_choose/z_file_choose.c
@@ -1920,7 +1920,7 @@ void FileSelect_LoadGame(GameState* thisx) {
     gSaveContext.forcedSeqId = NA_BGM_GENERAL_SFX;
     gSaveContext.skyboxTime = CLOCK_TIME(0, 0);
     gSaveContext.nextTransitionType = TRANS_NEXT_TYPE_DEFAULT;
-    gSaveContext.nextCutsceneIndex = 0xFFEF;
+    gSaveContext.nextCutsceneIndex = CS_INDEX_NEXT_EMPTY;
     gSaveContext.cutsceneTrigger = 0;
     gSaveContext.chamberCutsceneNum = CHAMBER_CS_FOREST;
     gSaveContext.nextDayTime = NEXT_TIME_NONE;
diff --git a/src/overlays/gamestates/ovl_opening/z_opening.c b/src/overlays/gamestates/ovl_opening/z_opening.c
index ad36b6e205..7d6c9b04c1 100644
--- a/src/overlays/gamestates/ovl_opening/z_opening.c
+++ b/src/overlays/gamestates/ovl_opening/z_opening.c
@@ -19,7 +19,8 @@ void TitleSetup_SetupTitleScreen(TitleSetupState* this) {
     this->state.running = false;
     gSaveContext.save.linkAge = LINK_AGE_ADULT;
     Sram_InitDebugSave();
-    gSaveContext.save.cutsceneIndex = 0xFFF3;
+    gSaveContext.save.cutsceneIndex = CS_INDEX_3;
+    // assigning scene layer here is redundant, as Play_Init sets it right away
     gSaveContext.sceneLayer = 7;
     SET_NEXT_GAMESTATE(&this->state, Play_Init, PlayState);
 }
diff --git a/src/overlays/gamestates/ovl_select/z_select.c b/src/overlays/gamestates/ovl_select/z_select.c
index 84b1cb69ae..a5531e0cb1 100644
--- a/src/overlays/gamestates/ovl_select/z_select.c
+++ b/src/overlays/gamestates/ovl_select/z_select.c
@@ -310,65 +310,65 @@ void MapSelect_UpdateMenu(MapSelectState* this) {
         }
 
         if (CHECK_BTN_ALL(input->press.button, BTN_Z)) {
-            if (gSaveContext.save.cutsceneIndex == 0x8000) {
-                gSaveContext.save.cutsceneIndex = 0;
-            } else if (gSaveContext.save.cutsceneIndex == 0) {
-                gSaveContext.save.cutsceneIndex = 0xFFF0;
-            } else if (gSaveContext.save.cutsceneIndex == 0xFFF0) {
-                gSaveContext.save.cutsceneIndex = 0xFFF1;
-            } else if (gSaveContext.save.cutsceneIndex == 0xFFF1) {
-                gSaveContext.save.cutsceneIndex = 0xFFF2;
-            } else if (gSaveContext.save.cutsceneIndex == 0xFFF2) {
-                gSaveContext.save.cutsceneIndex = 0xFFF3;
-            } else if (gSaveContext.save.cutsceneIndex == 0xFFF3) {
-                gSaveContext.save.cutsceneIndex = 0xFFF4;
-            } else if (gSaveContext.save.cutsceneIndex == 0xFFF4) {
-                gSaveContext.save.cutsceneIndex = 0xFFF5;
-            } else if (gSaveContext.save.cutsceneIndex == 0xFFF5) {
-                gSaveContext.save.cutsceneIndex = 0xFFF6;
-            } else if (gSaveContext.save.cutsceneIndex == 0xFFF6) {
-                gSaveContext.save.cutsceneIndex = 0xFFF7;
-            } else if (gSaveContext.save.cutsceneIndex == 0xFFF7) {
-                gSaveContext.save.cutsceneIndex = 0xFFF8;
-            } else if (gSaveContext.save.cutsceneIndex == 0xFFF8) {
-                gSaveContext.save.cutsceneIndex = 0xFFF9;
-            } else if (gSaveContext.save.cutsceneIndex == 0xFFF9) {
-                gSaveContext.save.cutsceneIndex = 0xFFFA;
-            } else if (gSaveContext.save.cutsceneIndex == 0xFFFA) {
-                gSaveContext.save.cutsceneIndex = 0x8000;
+            if (gSaveContext.save.cutsceneIndex == CS_INDEX_UNK_8000) {
+                gSaveContext.save.cutsceneIndex = CS_INDEX_DEFAULT;
+            } else if (gSaveContext.save.cutsceneIndex == CS_INDEX_DEFAULT) {
+                gSaveContext.save.cutsceneIndex = CS_INDEX_0;
+            } else if (gSaveContext.save.cutsceneIndex == CS_INDEX_0) {
+                gSaveContext.save.cutsceneIndex = CS_INDEX_1;
+            } else if (gSaveContext.save.cutsceneIndex == CS_INDEX_1) {
+                gSaveContext.save.cutsceneIndex = CS_INDEX_2;
+            } else if (gSaveContext.save.cutsceneIndex == CS_INDEX_2) {
+                gSaveContext.save.cutsceneIndex = CS_INDEX_3;
+            } else if (gSaveContext.save.cutsceneIndex == CS_INDEX_3) {
+                gSaveContext.save.cutsceneIndex = CS_INDEX_4;
+            } else if (gSaveContext.save.cutsceneIndex == CS_INDEX_4) {
+                gSaveContext.save.cutsceneIndex = CS_INDEX_5;
+            } else if (gSaveContext.save.cutsceneIndex == CS_INDEX_5) {
+                gSaveContext.save.cutsceneIndex = CS_INDEX_6;
+            } else if (gSaveContext.save.cutsceneIndex == CS_INDEX_6) {
+                gSaveContext.save.cutsceneIndex = CS_INDEX_7;
+            } else if (gSaveContext.save.cutsceneIndex == CS_INDEX_7) {
+                gSaveContext.save.cutsceneIndex = CS_INDEX_8;
+            } else if (gSaveContext.save.cutsceneIndex == CS_INDEX_8) {
+                gSaveContext.save.cutsceneIndex = CS_INDEX_9;
+            } else if (gSaveContext.save.cutsceneIndex == CS_INDEX_9) {
+                gSaveContext.save.cutsceneIndex = CS_INDEX_A;
+            } else if (gSaveContext.save.cutsceneIndex == CS_INDEX_A) {
+                gSaveContext.save.cutsceneIndex = CS_INDEX_UNK_8000;
             }
         } else if (CHECK_BTN_ALL(input->press.button, BTN_R)) {
-            if (gSaveContext.save.cutsceneIndex == 0x8000) {
-                gSaveContext.save.cutsceneIndex = 0xFFFA;
-            } else if (gSaveContext.save.cutsceneIndex == 0) {
-                gSaveContext.save.cutsceneIndex = 0x8000;
-            } else if (gSaveContext.save.cutsceneIndex == 0xFFF0) {
-                gSaveContext.save.cutsceneIndex = 0;
-            } else if (gSaveContext.save.cutsceneIndex == 0xFFF1) {
-                gSaveContext.save.cutsceneIndex = 0xFFF0;
-            } else if (gSaveContext.save.cutsceneIndex == 0xFFF2) {
-                gSaveContext.save.cutsceneIndex = 0xFFF1;
-            } else if (gSaveContext.save.cutsceneIndex == 0xFFF3) {
-                gSaveContext.save.cutsceneIndex = 0xFFF2;
-            } else if (gSaveContext.save.cutsceneIndex == 0xFFF4) {
-                gSaveContext.save.cutsceneIndex = 0xFFF3;
-            } else if (gSaveContext.save.cutsceneIndex == 0xFFF5) {
-                gSaveContext.save.cutsceneIndex = 0xFFF4;
-            } else if (gSaveContext.save.cutsceneIndex == 0xFFF6) {
-                gSaveContext.save.cutsceneIndex = 0xFFF5;
-            } else if (gSaveContext.save.cutsceneIndex == 0xFFF7) {
-                gSaveContext.save.cutsceneIndex = 0xFFF6;
-            } else if (gSaveContext.save.cutsceneIndex == 0xFFF8) {
-                gSaveContext.save.cutsceneIndex = 0xFFF7;
-            } else if (gSaveContext.save.cutsceneIndex == 0xFFF9) {
-                gSaveContext.save.cutsceneIndex = 0xFFF8;
-            } else if (gSaveContext.save.cutsceneIndex == 0xFFFA) {
-                gSaveContext.save.cutsceneIndex = 0xFFF9;
+            if (gSaveContext.save.cutsceneIndex == CS_INDEX_UNK_8000) {
+                gSaveContext.save.cutsceneIndex = CS_INDEX_A;
+            } else if (gSaveContext.save.cutsceneIndex == CS_INDEX_DEFAULT) {
+                gSaveContext.save.cutsceneIndex = CS_INDEX_UNK_8000;
+            } else if (gSaveContext.save.cutsceneIndex == CS_INDEX_0) {
+                gSaveContext.save.cutsceneIndex = CS_INDEX_DEFAULT;
+            } else if (gSaveContext.save.cutsceneIndex == CS_INDEX_1) {
+                gSaveContext.save.cutsceneIndex = CS_INDEX_0;
+            } else if (gSaveContext.save.cutsceneIndex == CS_INDEX_2) {
+                gSaveContext.save.cutsceneIndex = CS_INDEX_1;
+            } else if (gSaveContext.save.cutsceneIndex == CS_INDEX_3) {
+                gSaveContext.save.cutsceneIndex = CS_INDEX_2;
+            } else if (gSaveContext.save.cutsceneIndex == CS_INDEX_4) {
+                gSaveContext.save.cutsceneIndex = CS_INDEX_3;
+            } else if (gSaveContext.save.cutsceneIndex == CS_INDEX_5) {
+                gSaveContext.save.cutsceneIndex = CS_INDEX_4;
+            } else if (gSaveContext.save.cutsceneIndex == CS_INDEX_6) {
+                gSaveContext.save.cutsceneIndex = CS_INDEX_5;
+            } else if (gSaveContext.save.cutsceneIndex == CS_INDEX_7) {
+                gSaveContext.save.cutsceneIndex = CS_INDEX_6;
+            } else if (gSaveContext.save.cutsceneIndex == CS_INDEX_8) {
+                gSaveContext.save.cutsceneIndex = CS_INDEX_7;
+            } else if (gSaveContext.save.cutsceneIndex == CS_INDEX_9) {
+                gSaveContext.save.cutsceneIndex = CS_INDEX_8;
+            } else if (gSaveContext.save.cutsceneIndex == CS_INDEX_A) {
+                gSaveContext.save.cutsceneIndex = CS_INDEX_9;
             }
         }
 
         gSaveContext.save.nightFlag = 0;
-        if (gSaveContext.save.cutsceneIndex == 0) {
+        if (gSaveContext.save.cutsceneIndex == CS_INDEX_DEFAULT) {
             gSaveContext.save.nightFlag = 1;
         }
 
@@ -571,48 +571,48 @@ void MapSelect_PrintCutsceneSetting(MapSelectState* this, GfxPrint* printer, u16
     GfxPrint_SetColor(printer, 255, 255, 55, 255);
 
     switch (csIndex) {
-        case 0:
+        case CS_INDEX_DEFAULT:
             label = T(GFXP_HIRAGANA " ﾖﾙ " GFXP_KATAKANA "ｺﾞﾛﾝ", "Night");
             gSaveContext.save.dayTime = CLOCK_TIME(0, 0);
             break;
-        case 0x8000:
+        case CS_INDEX_UNK_8000:
             // clang-format off
             gSaveContext.save.dayTime = CLOCK_TIME(12, 0); label = T(GFXP_HIRAGANA "ｵﾋﾙ " GFXP_KATAKANA "ｼﾞｬﾗ", "Day");
             // clang-format on
             break;
-        case 0xFFF0:
+        case CS_INDEX_0:
             // clang-format off
             gSaveContext.save.dayTime = CLOCK_TIME(12, 0); label = T("ﾃﾞﾓ00", "Demo 00");
             // clang-format on
             break;
-        case 0xFFF1:
+        case CS_INDEX_1:
             label = T("ﾃﾞﾓ01", "Demo 01");
             break;
-        case 0xFFF2:
+        case CS_INDEX_2:
             label = T("ﾃﾞﾓ02", "Demo 02");
             break;
-        case 0xFFF3:
+        case CS_INDEX_3:
             label = T("ﾃﾞﾓ03", "Demo 03");
             break;
-        case 0xFFF4:
+        case CS_INDEX_4:
             label = T("ﾃﾞﾓ04", "Demo 04");
             break;
-        case 0xFFF5:
+        case CS_INDEX_5:
             label = T("ﾃﾞﾓ05", "Demo 05");
             break;
-        case 0xFFF6:
+        case CS_INDEX_6:
             label = T("ﾃﾞﾓ06", "Demo 06");
             break;
-        case 0xFFF7:
+        case CS_INDEX_7:
             label = T("ﾃﾞﾓ07", "Demo 07");
             break;
-        case 0xFFF8:
+        case CS_INDEX_8:
             label = T("ﾃﾞﾓ08", "Demo 08");
             break;
-        case 0xFFF9:
+        case CS_INDEX_9:
             label = T("ﾃﾞﾓ09", "Demo 09");
             break;
-        case 0xFFFA:
+        case CS_INDEX_A:
             label = T("ﾃﾞﾓ0A", "Demo 0A");
             break;
     };
@@ -742,6 +742,6 @@ void MapSelect_Init(GameState* thisx) {
         DMA_REQUEST_SYNC(this->staticSegment, (uintptr_t)_z_select_staticSegmentRomStart, size, "../z_select.c", 1115);
     }
 
-    gSaveContext.save.cutsceneIndex = 0x8000;
+    gSaveContext.save.cutsceneIndex = CS_INDEX_UNK_8000;
     gSaveContext.save.linkAge = LINK_AGE_CHILD;
 }