diff --git a/include/z64save.h b/include/z64save.h
index 68f6028ca3d..cdd2d62fc50 100644
--- a/include/z64save.h
+++ b/include/z64save.h
@@ -464,6 +464,17 @@ typedef enum LinkAge {
  * SaveContext.eventChkInf
  */
 
+#define EVENTCHKINF_INDEX(flag) ((flag) >> 4)
+#define EVENTCHKINF_MASK(flag) (1 << ((flag) & 0xF))
+
+#define GET_EVENTCHKINF(flag) (gSaveContext.save.info.eventChkInf[EVENTCHKINF_INDEX(flag)] & EVENTCHKINF_MASK(flag))
+#define SET_EVENTCHKINF(flag) (gSaveContext.save.info.eventChkInf[EVENTCHKINF_INDEX(flag)] |= EVENTCHKINF_MASK(flag))
+#define CLEAR_EVENTCHKINF(flag) (gSaveContext.save.info.eventChkInf[EVENTCHKINF_INDEX(flag)] &= ~EVENTCHKINF_MASK(flag))
+
+// EVENTCHKINF 0x00-0x0F
+#define EVENTCHKINF_INDEX_0 0
+#define EVENTCHKINF_00_UNUSED 0x00 // flag is set in the debug save, but has no functionality
+#define EVENTCHKINF_01_UNUSED 0x01 // flag is set in the debug save, but has no functionality
 #define EVENTCHKINF_MIDO_DENIED_DEKU_TREE_ACCESS 0x02
 #define EVENTCHKINF_03 0x03
 #define EVENTCHKINF_04 0x04
@@ -507,11 +518,9 @@ typedef enum LinkAge {
 #define EVENTCHKINF_3B 0x3B
 #define EVENTCHKINF_DEFEATED_NABOORU_KNUCKLE 0x3C
 
-// 0x40
-#define EVENTCHKINF_40_INDEX 4
-#define EVENTCHKINF_40_SHIFT 0
-#define EVENTCHKINF_40_MASK (1 << EVENTCHKINF_40_SHIFT)
-#define EVENTCHKINF_40 ((EVENTCHKINF_40_INDEX << 4) | EVENTCHKINF_40_SHIFT)
+// EVENTCHKINF 0x40
+#define EVENTCHKINF_INDEX_40 EVENTCHKINF_INDEX(EVENTCHKINF_40)
+#define EVENTCHKINF_40 0x40
 
 #define EVENTCHKINF_41 0x41
 #define EVENTCHKINF_42 0x42
@@ -540,11 +549,9 @@ typedef enum LinkAge {
 #define EVENTCHKINF_RESTORED_LAKE_HYLIA 0x69
 #define EVENTCHKINF_TALON_WOKEN_IN_KAKARIKO 0x6A
 
-// 0x6B
-#define EVENTCHKINF_TALON_RETURNED_FROM_KAKARIKO_INDEX 6
-#define EVENTCHKINF_TALON_RETURNED_FROM_KAKARIKO_SHIFT 11
-#define EVENTCHKINF_TALON_RETURNED_FROM_KAKARIKO_MASK (1 << EVENTCHKINF_TALON_RETURNED_FROM_KAKARIKO_SHIFT)
-#define EVENTCHKINF_TALON_RETURNED_FROM_KAKARIKO ((EVENTCHKINF_TALON_RETURNED_FROM_KAKARIKO_INDEX << 4) | EVENTCHKINF_TALON_RETURNED_FROM_KAKARIKO_SHIFT)
+// EVENTCHKINF 0x6B
+#define EVENTCHKINF_INDEX_TALON_RETURNED_FROM_KAKARIKO EVENTCHKINF_INDEX(EVENTCHKINF_TALON_RETURNED_FROM_KAKARIKO)
+#define EVENTCHKINF_TALON_RETURNED_FROM_KAKARIKO 0x6B
 
 #define EVENTCHKINF_6E 0x6E
 #define EVENTCHKINF_6F 0x6F
@@ -564,19 +571,19 @@ typedef enum LinkAge {
 #define EVENTCHKINF_PAID_BACK_SPOOKY_MASK 0x8E
 #define EVENTCHKINF_PAID_BACK_BUNNY_HOOD 0x8F
 
-// 0x90-0x93
+// EVENTCHKINF 0x90-0x93
 // carpenters freed from the gerudo
-#define EVENTCHKINF_CARPENTERS_FREE_INDEX 9
+#define EVENTCHKINF_INDEX_CARPENTERS_FREE 9
 #define EVENTCHKINF_CARPENTERS_FREE_SHIFT(n) (0 + (n))
 #define EVENTCHKINF_CARPENTERS_FREE_MASK(n) (1 << EVENTCHKINF_CARPENTERS_FREE_SHIFT(n))
-#define EVENTCHKINF_CARPENTERS_FREE(n) ((EVENTCHKINF_CARPENTERS_FREE_INDEX << 4) | EVENTCHKINF_CARPENTERS_FREE_SHIFT(n))
+#define EVENTCHKINF_CARPENTERS_FREE(n) ((EVENTCHKINF_INDEX_CARPENTERS_FREE << 4) | EVENTCHKINF_CARPENTERS_FREE_SHIFT(n))
 #define EVENTCHKINF_CARPENTERS_FREE_MASK_ALL (\
       EVENTCHKINF_CARPENTERS_FREE_MASK(0)     \
     | EVENTCHKINF_CARPENTERS_FREE_MASK(1)     \
     | EVENTCHKINF_CARPENTERS_FREE_MASK(2)     \
     | EVENTCHKINF_CARPENTERS_FREE_MASK(3)    )
 #define GET_EVENTCHKINF_CARPENTERS_FREE_ALL() \
-    CHECK_FLAG_ALL(gSaveContext.save.info.eventChkInf[EVENTCHKINF_CARPENTERS_FREE_INDEX], EVENTCHKINF_CARPENTERS_FREE_MASK_ALL)
+    CHECK_FLAG_ALL(gSaveContext.save.info.eventChkInf[EVENTCHKINF_INDEX_CARPENTERS_FREE], EVENTCHKINF_CARPENTERS_FREE_MASK_ALL)
 
 #define EVENTCHKINF_94 0x94
 #define EVENTCHKINF_95 0x95
@@ -620,48 +627,35 @@ typedef enum LinkAge {
 #define EVENTCHKINF_C8 0xC8
 #define EVENTCHKINF_C9 0xC9
 
-// 0xD0-0xD6
-#define EVENTCHKINF_SONGS_FOR_FROGS_INDEX 13
-#define EVENTCHKINF_SONGS_FOR_FROGS_CHOIR_SHIFT  0
-#define EVENTCHKINF_SONGS_FOR_FROGS_ZL_SHIFT     1
-#define EVENTCHKINF_SONGS_FOR_FROGS_EPONA_SHIFT  2
-#define EVENTCHKINF_SONGS_FOR_FROGS_SUNS_SHIFT   3
-#define EVENTCHKINF_SONGS_FOR_FROGS_SARIA_SHIFT  4
-#define EVENTCHKINF_SONGS_FOR_FROGS_SOT_SHIFT    5
-#define EVENTCHKINF_SONGS_FOR_FROGS_STORMS_SHIFT 6
-#define EVENTCHKINF_SONGS_FOR_FROGS_CHOIR_MASK  (1 << EVENTCHKINF_SONGS_FOR_FROGS_CHOIR_SHIFT)
-#define EVENTCHKINF_SONGS_FOR_FROGS_ZL_MASK     (1 << EVENTCHKINF_SONGS_FOR_FROGS_ZL_SHIFT)
-#define EVENTCHKINF_SONGS_FOR_FROGS_EPONA_MASK  (1 << EVENTCHKINF_SONGS_FOR_FROGS_EPONA_SHIFT)
-#define EVENTCHKINF_SONGS_FOR_FROGS_SUNS_MASK   (1 << EVENTCHKINF_SONGS_FOR_FROGS_SUNS_SHIFT)
-#define EVENTCHKINF_SONGS_FOR_FROGS_SARIA_MASK  (1 << EVENTCHKINF_SONGS_FOR_FROGS_SARIA_SHIFT)
-#define EVENTCHKINF_SONGS_FOR_FROGS_SOT_MASK    (1 << EVENTCHKINF_SONGS_FOR_FROGS_SOT_SHIFT)
-#define EVENTCHKINF_SONGS_FOR_FROGS_STORMS_MASK (1 << EVENTCHKINF_SONGS_FOR_FROGS_STORMS_SHIFT)
-#define EVENTCHKINF_SONGS_FOR_FROGS_CHOIR  ((EVENTCHKINF_SONGS_FOR_FROGS_INDEX << 4) | EVENTCHKINF_SONGS_FOR_FROGS_CHOIR_SHIFT)
-#define EVENTCHKINF_SONGS_FOR_FROGS_ZL     ((EVENTCHKINF_SONGS_FOR_FROGS_INDEX << 4) | EVENTCHKINF_SONGS_FOR_FROGS_ZL_SHIFT)
-#define EVENTCHKINF_SONGS_FOR_FROGS_EPONA  ((EVENTCHKINF_SONGS_FOR_FROGS_INDEX << 4) | EVENTCHKINF_SONGS_FOR_FROGS_EPONA_SHIFT)
-#define EVENTCHKINF_SONGS_FOR_FROGS_SUNS   ((EVENTCHKINF_SONGS_FOR_FROGS_INDEX << 4) | EVENTCHKINF_SONGS_FOR_FROGS_SUNS_SHIFT)
-#define EVENTCHKINF_SONGS_FOR_FROGS_SARIA  ((EVENTCHKINF_SONGS_FOR_FROGS_INDEX << 4) | EVENTCHKINF_SONGS_FOR_FROGS_SARIA_SHIFT)
-#define EVENTCHKINF_SONGS_FOR_FROGS_SOT    ((EVENTCHKINF_SONGS_FOR_FROGS_INDEX << 4) | EVENTCHKINF_SONGS_FOR_FROGS_SOT_SHIFT)
-#define EVENTCHKINF_SONGS_FOR_FROGS_STORMS ((EVENTCHKINF_SONGS_FOR_FROGS_INDEX << 4) | EVENTCHKINF_SONGS_FOR_FROGS_STORMS_SHIFT)
-
-// 0xDA-0xDE
-#define EVENTCHKINF_DA_DB_DC_DD_DE_INDEX 13
-#define EVENTCHKINF_DA_MASK (1 << 10)
-#define EVENTCHKINF_DB_MASK (1 << 11)
-#define EVENTCHKINF_DC_MASK (1 << 12)
-#define EVENTCHKINF_DD_MASK (1 << 13)
-#define EVENTCHKINF_DE_MASK (1 << 14)
-
-
-#define GET_EVENTCHKINF(flag) (gSaveContext.save.info.eventChkInf[(flag) >> 4] & (1 << ((flag) & 0xF)))
-#define SET_EVENTCHKINF(flag) (gSaveContext.save.info.eventChkInf[(flag) >> 4] |= (1 << ((flag) & 0xF)))
-#define CLEAR_EVENTCHKINF(flag) (gSaveContext.save.info.eventChkInf[(flag) >> 4] &= ~(1 << ((flag) & 0xF)))
+// EVENTCHKINF 0xD0-0xD6
+#define EVENTCHKINF_INDEX_SONGS_FOR_FROGS EVENTCHKINF_INDEX(EVENTCHKINF_SONGS_FOR_FROGS_CHOIR)
+#define EVENTCHKINF_SONGS_FOR_FROGS_CHOIR  0xD0
+#define EVENTCHKINF_SONGS_FOR_FROGS_ZL     0xD1
+#define EVENTCHKINF_SONGS_FOR_FROGS_EPONA  0xD2
+#define EVENTCHKINF_SONGS_FOR_FROGS_SUNS   0xD3
+#define EVENTCHKINF_SONGS_FOR_FROGS_SARIA  0xD4
+#define EVENTCHKINF_SONGS_FOR_FROGS_SOT    0xD5
+#define EVENTCHKINF_SONGS_FOR_FROGS_STORMS 0xD6
+
+// EVENTCHKINF 0xDA-0xDE
+#define EVENTCHKINF_INDEX_DA_DB_DC_DD_DE EVENTCHKINF_INDEX(EVENTCHKINF_DA)
+#define EVENTCHKINF_DA 0xDA
+#define EVENTCHKINF_DB 0xDB
+#define EVENTCHKINF_DC 0xDC
+#define EVENTCHKINF_DD 0xDD
+#define EVENTCHKINF_DE 0xDE
 
 
 /*
  * SaveContext.itemGetInf
  */
 
+#define ITEMGETINF_INDEX(flag) ((flag) >> 4)
+#define ITEMGETINF_MASK(flag) (1 << ((flag) & 0xF))
+
+#define GET_ITEMGETINF(flag) (gSaveContext.save.info.itemGetInf[ITEMGETINF_INDEX(flag)] & ITEMGETINF_MASK(flag))
+#define SET_ITEMGETINF(flag) (gSaveContext.save.info.itemGetInf[ITEMGETINF_INDEX(flag)] |= ITEMGETINF_MASK(flag))
+
 #define ITEMGETINF_TALON_BOTTLE 0x02
 #define ITEMGETINF_03 0x03
 #define ITEMGETINF_04 0x04
@@ -684,17 +678,11 @@ typedef enum LinkAge {
 #define ITEMGETINF_16 0x16
 #define ITEMGETINF_17 0x17
 
-// 0x18-0x1A
-#define ITEMGETINF_18_19_1A_INDEX 1
-#define ITEMGETINF_18_SHIFT 8
-#define ITEMGETINF_19_SHIFT 9
-#define ITEMGETINF_1A_SHIFT 10
-#define ITEMGETINF_18_MASK (1 << ITEMGETINF_18_SHIFT)
-#define ITEMGETINF_19_MASK (1 << ITEMGETINF_19_SHIFT)
-#define ITEMGETINF_1A_MASK (1 << ITEMGETINF_1A_SHIFT)
-#define ITEMGETINF_18 ((ITEMGETINF_18_19_1A_INDEX << 4) | ITEMGETINF_18_SHIFT)
-#define ITEMGETINF_19 ((ITEMGETINF_18_19_1A_INDEX << 4) | ITEMGETINF_19_SHIFT)
-#define ITEMGETINF_1A ((ITEMGETINF_18_19_1A_INDEX << 4) | ITEMGETINF_1A_SHIFT)
+// ITEMGETINF 0x18-0x1A
+#define ITEMGETINF_INDEX_18_19_1A 1
+#define ITEMGETINF_18 0x18
+#define ITEMGETINF_19 0x19
+#define ITEMGETINF_1A 0x1A
 
 #define ITEMGETINF_1B 0x1B
 #define ITEMGETINF_1C 0x1C
@@ -720,14 +708,19 @@ typedef enum LinkAge {
 #define ITEMGETINF_3F 0x3F
 
 
-#define GET_ITEMGETINF(flag) (gSaveContext.save.info.itemGetInf[(flag) >> 4] & (1 << ((flag) & 0xF)))
-#define SET_ITEMGETINF(flag) (gSaveContext.save.info.itemGetInf[(flag) >> 4] |= (1 << ((flag) & 0xF)))
-
-
 /*
  * SaveContext.infTable
  */
 
+#define INFTABLE_INDEX(flag) ((flag) >> 4)
+#define INFTABLE_MASK(flag) (1 << ((flag) & 0xF))
+
+#define GET_INFTABLE(flag) (gSaveContext.save.info.infTable[INFTABLE_INDEX(flag)] & INFTABLE_MASK(flag))
+#define SET_INFTABLE(flag) (gSaveContext.save.info.infTable[INFTABLE_INDEX(flag)] |= INFTABLE_MASK(flag))
+#define CLEAR_INFTABLE(flag) (gSaveContext.save.info.infTable[INFTABLE_INDEX(flag)] &= ~INFTABLE_MASK(flag))
+
+// INFTABLE 0x0-0xF
+#define INFTABLE_INDEX_0 0
 #define INFTABLE_00 0x00
 #define INFTABLE_01 0x01
 #define INFTABLE_03 0x03
@@ -855,18 +848,18 @@ typedef enum LinkAge {
 #define INFTABLE_197 0x197
 #define INFTABLE_198 0x198
 
-// 0x199-0x19F
-#define INFTABLE_199_19A_19B_19C_19D_19E_19F_INDEX 25
-#define INFTABLE_199_MASK (1 << 9)
-#define INFTABLE_19A_MASK (1 << 10)
-#define INFTABLE_19B_MASK (1 << 11)
-#define INFTABLE_19C_MASK (1 << 12)
-#define INFTABLE_19D_MASK (1 << 13)
-#define INFTABLE_19E_MASK (1 << 14)
-#define INFTABLE_19F_MASK (1 << 15)
-
-// 0x1A0-0x1AF
-#define INFTABLE_1AX_INDEX 26
+// INFTABLE 0x199-0x19F
+#define INFTABLE_INDEX_199_19A_19B_19C_19D_19E_19F 25
+#define INFTABLE_199 0x199
+#define INFTABLE_19A 0x19A
+#define INFTABLE_19B 0x19B
+#define INFTABLE_19C 0x19C
+#define INFTABLE_19D 0x19D
+#define INFTABLE_19E 0x19E
+#define INFTABLE_19F 0x19F
+
+// INFTABLE 0x1A0-0x1AF
+#define INFTABLE_INDEX_1AX 26
 #define INFTABLE_1A0_SHIFT 0
 #define INFTABLE_1A1_SHIFT 1
 #define INFTABLE_1A2_SHIFT 2
@@ -880,24 +873,27 @@ typedef enum LinkAge {
 #define INFTABLE_1AB_SHIFT 11
 #define INFTABLE_1AD_SHIFT 13
 
-// 0x1D0-0x1DF
-#define INFTABLE_1DX_INDEX 29
-
-
-#define GET_INFTABLE(flag) (gSaveContext.save.info.infTable[(flag) >> 4] & (1 << ((flag) & 0xF)))
-#define SET_INFTABLE(flag) (gSaveContext.save.info.infTable[(flag) >> 4] |= (1 << ((flag) & 0xF)))
-#define CLEAR_INFTABLE(flag) (gSaveContext.save.info.infTable[(flag) >> 4] &= ~(1 << ((flag) & 0xF)))
+// INFTABLE 0x1D0-0x1DF
+#define INFTABLE_INDEX_1DX INFTABLE_INDEX(INFTABLE_1D0)
+#define INFTABLE_1D0 0x1D0
 
 
 /*
  * SaveContext.eventInf
  */
 
+#define EVENTINF_INDEX(flag) ((flag) >> 4)
+#define EVENTINF_MASK(flag) (1 << ((flag) & 0xF))
+
+#define GET_EVENTINF(flag) (gSaveContext.eventInf[EVENTINF_INDEX(flag)] & EVENTINF_MASK(flag))
+#define SET_EVENTINF(flag) (gSaveContext.eventInf[EVENTINF_INDEX(flag)] |= EVENTINF_MASK(flag))
+#define CLEAR_EVENTINF(flag) (gSaveContext.eventInf[EVENTINF_INDEX(flag)] &= ~EVENTINF_MASK(flag))
+
 // EVENTINF 0x00-0x0F
 // Ingo Race, Lon Lon Ranch minigames, and Horseback Archery minigame flags
-#define EVENTINF_HORSES_INDEX 0
+#define EVENTINF_INDEX_HORSES 0
 // EVENTINF 0x00-0x03 reserved for IngoRaceState
-#define EVENTINF_INGO_RACE_STATE_MASK (0xF << 0)
+#define EVENTINF_INGO_RACE_STATE_MASK (0xF << 0x00)
 typedef enum IngoRaceState {
     /* 0 */ INGO_RACE_STATE_OFFER_RENTAL,
     /* 1 */ INGO_RACE_STATE_HORSE_RENTAL_PERIOD,
@@ -909,39 +905,35 @@ typedef enum IngoRaceState {
     /* 7 */ INGO_RACE_STATE_REMATCH
 } IngoRaceState;
 
-#define EVENTINF_INGO_RACE_HORSETYPE 4
-#define EVENTINF_INGO_RACE_HORSETYPE_MASK (1 << EVENTINF_INGO_RACE_HORSETYPE)
-#define EVENTINF_INGO_RACE_LOST_ONCE 5
-#define EVENTINF_INGO_RACE_LOST_ONCE_MASK (1 << EVENTINF_INGO_RACE_LOST_ONCE)
-#define EVENTINF_INGO_RACE_SECOND_RACE 6
-#define EVENTINF_INGO_RACE_SECOND_RACE_MASK (1 << EVENTINF_INGO_RACE_SECOND_RACE)
+#define EVENTINF_INGO_RACE_HORSETYPE 0x04
+#define EVENTINF_INGO_RACE_LOST_ONCE 0x05
+#define EVENTINF_INGO_RACE_SECOND_RACE 0x06
 // Used in z_en_ta (Talon) to store Cucco game winning status
 // and in z_en_ge1 (Gerudo) to store archery in-progress status
-#define EVENTINF_HORSES_08 8
+#define EVENTINF_HORSES_08 0x08
 #define EVENTINF_CUCCO_GAME_WON EVENTINF_HORSES_08
 // Used in z_en_ta (Talon) and z_en_ma3 (Malon) to store minigame finishing status
-#define EVENTINF_HORSES_0A 10
+#define EVENTINF_HORSES_0A 0x0A
 #define EVENTINF_CUCCO_GAME_FINISHED EVENTINF_HORSES_0A
-#define EVENTINF_INGO_RACE_0F 15 // unused?
-#define EVENTINF_INGO_RACE_0F_MASK (1 << EVENTINF_INGO_RACE_0F)
+#define EVENTINF_INGO_RACE_0F 0x0F // unused?
 
 // "InRaceSeq"
-#define GET_EVENTINF_INGO_RACE_STATE() (gSaveContext.eventInf[EVENTINF_HORSES_INDEX] & EVENTINF_INGO_RACE_STATE_MASK)
+#define GET_EVENTINF_INGO_RACE_STATE() (gSaveContext.eventInf[EVENTINF_INDEX_HORSES] & EVENTINF_INGO_RACE_STATE_MASK)
 
 #define SET_EVENTINF_INGO_RACE_STATE(v)            \
-    gSaveContext.eventInf[EVENTINF_HORSES_INDEX] = \
-        (gSaveContext.eventInf[EVENTINF_HORSES_INDEX] & ~EVENTINF_INGO_RACE_STATE_MASK) | (v)
+    gSaveContext.eventInf[EVENTINF_INDEX_HORSES] = \
+        (gSaveContext.eventInf[EVENTINF_INDEX_HORSES] & ~EVENTINF_INGO_RACE_STATE_MASK) | (v)
 
 #define GET_EVENTINF_INGO_RACE_FLAG(flag) \
-    ((gSaveContext.eventInf[EVENTINF_HORSES_INDEX] & (1 << ((flag) & 0xF))) >> ((flag) & 0xF))
+    ((gSaveContext.eventInf[EVENTINF_INDEX_HORSES] & EVENTINF_MASK(flag)) >> ((flag) & 0xF))
 
 #define SET_EVENTINF_INGO_RACE_FLAG(flag)          \
-    gSaveContext.eventInf[EVENTINF_HORSES_INDEX] = \
-        (gSaveContext.eventInf[EVENTINF_HORSES_INDEX] & 0xFFFF) | (1 << ((flag) & 0xF))
+    gSaveContext.eventInf[EVENTINF_INDEX_HORSES] = \
+        (gSaveContext.eventInf[EVENTINF_INDEX_HORSES] & 0xFFFF) | EVENTINF_MASK(flag)
 
 #define WRITE_EVENTINF_INGO_RACE_FLAG(flag, v)     \
-    gSaveContext.eventInf[EVENTINF_HORSES_INDEX] = \
-        (gSaveContext.eventInf[EVENTINF_HORSES_INDEX] & ~(1 << ((flag) & 0xF))) | ((v) << ((flag) & 0xF))
+    gSaveContext.eventInf[EVENTINF_INDEX_HORSES] = \
+        (gSaveContext.eventInf[EVENTINF_INDEX_HORSES] & ~EVENTINF_MASK(flag)) | ((v) << ((flag) & 0xF))
 
 #define GET_EVENTINF_INGO_RACE_HORSETYPE() GET_EVENTINF_INGO_RACE_FLAG(EVENTINF_INGO_RACE_HORSETYPE)
 #define WRITE_EVENTINF_INGO_RACE_HORSETYPE(v) WRITE_EVENTINF_INGO_RACE_FLAG(EVENTINF_INGO_RACE_HORSETYPE, v)
@@ -952,7 +944,7 @@ typedef enum IngoRaceState {
 #define EVENTINF_MARATHON_ACTIVE 0x10
 
 // EVENTINF 0x20-0x24
-#define EVENTINF_20_21_22_23_24_INDEX 2
+#define EVENTINF_INDEX_20_21_22_23_24 2
 #define EVENTINF_20_MASK (1 << 0)
 #define EVENTINF_21_MASK (1 << 1)
 #define EVENTINF_22_MASK (1 << 2)
@@ -961,10 +953,6 @@ typedef enum IngoRaceState {
 
 #define EVENTINF_30 0x30
 
-#define GET_EVENTINF(flag) (gSaveContext.eventInf[(flag) >> 4] & (1 << ((flag) & 0xF)))
-#define SET_EVENTINF(flag) (gSaveContext.eventInf[(flag) >> 4] |= (1 << ((flag) & 0xF)))
-#define CLEAR_EVENTINF(flag) (gSaveContext.eventInf[(flag) >> 4] &= ~(1 << ((flag) & 0xF)))
-
 
 extern SaveContext gSaveContext;
 
diff --git a/src/code/z_inventory.c b/src/code/z_inventory.c
index b452a92e16d..2f89c0565be 100644
--- a/src/code/z_inventory.c
+++ b/src/code/z_inventory.c
@@ -299,7 +299,7 @@ u8 Inventory_DeleteEquipment(PlayState* play, s16 equipment) {
 
         if (equipment == EQUIP_TYPE_SWORD) {
             gSaveContext.save.info.equips.buttonItems[0] = ITEM_NONE;
-            gSaveContext.save.info.infTable[INFTABLE_1DX_INDEX] = 1;
+            gSaveContext.save.info.infTable[INFTABLE_INDEX_1DX] = 1;
         }
 
         Player_SetEquipmentData(play, player);
diff --git a/src/code/z_map_exp.c b/src/code/z_map_exp.c
index 1c82288b7ad..916add81f20 100644
--- a/src/code/z_map_exp.c
+++ b/src/code/z_map_exp.c
@@ -496,7 +496,7 @@ void Minimap_Draw(PlayState* play) {
                         (LINK_AGE_IN_YEARS != YEARS_ADULT)) {
                         if ((gMapData->owEntranceFlag[sEntranceIconMapIndex] == 0xFFFF) ||
                             ((gMapData->owEntranceFlag[sEntranceIconMapIndex] != 0xFFFF) &&
-                             (gSaveContext.save.info.infTable[INFTABLE_1AX_INDEX] &
+                             (gSaveContext.save.info.infTable[INFTABLE_INDEX_1AX] &
                               gBitFlags[gMapData->owEntranceFlag[mapIndex]]))) {
 
                             gDPLoadTextureBlock(OVERLAY_DISP++, gMapDungeonEntranceIconTex, G_IM_FMT_RGBA, G_IM_SIZ_16b,
@@ -513,7 +513,7 @@ void Minimap_Draw(PlayState* play) {
                     }
 
                     if ((play->sceneId == SCENE_ZORAS_FOUNTAIN) &&
-                        (gSaveContext.save.info.infTable[INFTABLE_1AX_INDEX] & gBitFlags[INFTABLE_1A9_SHIFT])) {
+                        (gSaveContext.save.info.infTable[INFTABLE_INDEX_1AX] & gBitFlags[INFTABLE_1A9_SHIFT])) {
                         gDPLoadTextureBlock(OVERLAY_DISP++, gMapDungeonEntranceIconTex, G_IM_FMT_RGBA, G_IM_SIZ_16b, 8,
                                             8, 0, G_TX_NOMIRROR | G_TX_WRAP, G_TX_NOMIRROR | G_TX_WRAP, G_TX_NOMASK,
                                             G_TX_NOMASK, G_TX_NOLOD, G_TX_NOLOD);
diff --git a/src/code/z_parameter.c b/src/code/z_parameter.c
index 65e92e33f70..7987cccd1ce 100644
--- a/src/code/z_parameter.c
+++ b/src/code/z_parameter.c
@@ -852,7 +852,7 @@ void func_80083108(PlayState* play) {
                         (gSaveContext.save.info.equips.buttonItems[0] == ITEM_BOMBCHU) ||
                         (gSaveContext.save.info.equips.buttonItems[0] == ITEM_NONE)) {
                         if ((gSaveContext.save.info.equips.buttonItems[0] != ITEM_NONE) ||
-                            (gSaveContext.save.info.infTable[INFTABLE_1DX_INDEX] == 0)) {
+                            (gSaveContext.save.info.infTable[INFTABLE_INDEX_1DX] == 0)) {
                             gSaveContext.save.info.equips.buttonItems[0] = gSaveContext.buttonStatus[0];
                             sp28 = true;
 
@@ -876,7 +876,7 @@ void func_80083108(PlayState* play) {
                         (gSaveContext.save.info.equips.buttonItems[0] == ITEM_BOMBCHU) ||
                         (gSaveContext.save.info.equips.buttonItems[0] == ITEM_NONE)) {
                         if ((gSaveContext.save.info.equips.buttonItems[0] != ITEM_NONE) ||
-                            (gSaveContext.save.info.infTable[INFTABLE_1DX_INDEX] == 0)) {
+                            (gSaveContext.save.info.infTable[INFTABLE_INDEX_1DX] == 0)) {
                             gSaveContext.save.info.equips.buttonItems[0] = gSaveContext.buttonStatus[0];
                             sp28 = true;
 
@@ -1346,7 +1346,7 @@ void func_80084BF4(PlayState* play, u16 flag) {
             }
         } else if (gSaveContext.save.info.equips.buttonItems[0] == ITEM_NONE) {
             if ((gSaveContext.save.info.equips.buttonItems[0] != ITEM_NONE) ||
-                (gSaveContext.save.info.infTable[INFTABLE_1DX_INDEX] == 0)) {
+                (gSaveContext.save.info.infTable[INFTABLE_INDEX_1DX] == 0)) {
                 gSaveContext.save.info.equips.buttonItems[0] = gSaveContext.buttonStatus[0];
                 Interface_LoadItemIcon1(play, 0);
             }
@@ -3545,11 +3545,11 @@ void Interface_Draw(PlayState* play) {
             for (svar1 = 0; svar1 < ARRAY_COUNT(gSpoilingItems); svar1++) {
                 if (INV_CONTENT(ITEM_TRADE_ADULT) == gSpoilingItems[svar1]) {
 #if OOT_VERSION >= NTSC_1_1
-                    gSaveContext.eventInf[EVENTINF_HORSES_INDEX] &=
-                        (u16) ~(EVENTINF_INGO_RACE_STATE_MASK | EVENTINF_INGO_RACE_HORSETYPE_MASK |
-                                EVENTINF_INGO_RACE_LOST_ONCE_MASK | EVENTINF_INGO_RACE_SECOND_RACE_MASK |
-                                EVENTINF_INGO_RACE_0F_MASK);
-                    PRINTF("EVENT_INF=%x\n", gSaveContext.eventInf[EVENTINF_HORSES_INDEX]);
+                    gSaveContext.eventInf[EVENTINF_INDEX_HORSES] &=
+                        (u16) ~(EVENTINF_INGO_RACE_STATE_MASK | EVENTINF_MASK(EVENTINF_INGO_RACE_HORSETYPE) |
+                                EVENTINF_MASK(EVENTINF_INGO_RACE_LOST_ONCE) |
+                                EVENTINF_MASK(EVENTINF_INGO_RACE_SECOND_RACE) | EVENTINF_MASK(EVENTINF_INGO_RACE_0F));
+                    PRINTF("EVENT_INF=%x\n", gSaveContext.eventInf[EVENTINF_INDEX_HORSES]);
 #endif
                     play->nextEntranceIndex = spoilingItemEntrances[svar1];
                     INV_CONTENT(gSpoilingItemReverts[svar1]) = gSpoilingItemReverts[svar1];
diff --git a/src/code/z_sram.c b/src/code/z_sram.c
index 0fcee6f0323..cd3a2f13e69 100644
--- a/src/code/z_sram.c
+++ b/src/code/z_sram.c
@@ -162,7 +162,7 @@ void Sram_InitNewSave(void) {
     gSaveContext.save.info.horseData.pos.z = 5497;
     gSaveContext.save.info.horseData.angle = -0x6AD9;
     gSaveContext.save.info.playerData.magicLevel = 0;
-    gSaveContext.save.info.infTable[INFTABLE_1DX_INDEX] = 1;
+    gSaveContext.save.info.infTable[INFTABLE_INDEX_1DX] = 1;
     gSaveContext.save.info.sceneFlags[SCENE_WATER_TEMPLE].swch = 0x40000000;
 }
 
@@ -325,8 +325,15 @@ void Sram_InitDebugSave(void) {
     gSaveContext.save.info.horseData.pos.y = 72;
     gSaveContext.save.info.horseData.pos.z = 5497;
     gSaveContext.save.info.horseData.angle = -0x6AD9;
-    gSaveContext.save.info.infTable[0] |= 0x5009;
-    gSaveContext.save.info.eventChkInf[0] |= 0x123F;
+    gSaveContext.save.info.infTable[INFTABLE_INDEX_0] |= INFTABLE_MASK(INFTABLE_00) | INFTABLE_MASK(INFTABLE_03) |
+                                                         INFTABLE_MASK(INFTABLE_0C) | INFTABLE_MASK(INFTABLE_0E);
+
+    gSaveContext.save.info.eventChkInf[EVENTCHKINF_INDEX_0] |=
+        EVENTCHKINF_MASK(EVENTCHKINF_00_UNUSED) | EVENTCHKINF_MASK(EVENTCHKINF_01_UNUSED) |
+        EVENTCHKINF_MASK(EVENTCHKINF_MIDO_DENIED_DEKU_TREE_ACCESS) | EVENTCHKINF_MASK(EVENTCHKINF_03) |
+        EVENTCHKINF_MASK(EVENTCHKINF_04) | EVENTCHKINF_MASK(EVENTCHKINF_05) | EVENTCHKINF_MASK(EVENTCHKINF_09) |
+        EVENTCHKINF_MASK(EVENTCHKINF_0C);
+
     SET_EVENTCHKINF(EVENTCHKINF_80);
     SET_EVENTCHKINF(EVENTCHKINF_C4);
 
@@ -498,8 +505,8 @@ void Sram_OpenSave(SramContext* sramCtx) {
 
     // if zelda cutscene has been watched but lullaby was not obtained, restore cutscene and take away letter
     if (GET_EVENTCHKINF(EVENTCHKINF_40) && !CHECK_QUEST_ITEM(QUEST_SONG_LULLABY)) {
-        i = gSaveContext.save.info.eventChkInf[EVENTCHKINF_40_INDEX] & ~EVENTCHKINF_40_MASK;
-        gSaveContext.save.info.eventChkInf[EVENTCHKINF_40_INDEX] = i;
+        i = gSaveContext.save.info.eventChkInf[EVENTCHKINF_INDEX_40] & ~EVENTCHKINF_MASK(EVENTCHKINF_40);
+        gSaveContext.save.info.eventChkInf[EVENTCHKINF_INDEX_40] = i;
 
         INV_CONTENT(ITEM_ZELDAS_LETTER) = ITEM_CHICKEN;
 
diff --git a/src/overlays/actors/ovl_Bg_Dy_Yoseizo/z_bg_dy_yoseizo.c b/src/overlays/actors/ovl_Bg_Dy_Yoseizo/z_bg_dy_yoseizo.c
index 9ec48c5084e..c8877e0e644 100644
--- a/src/overlays/actors/ovl_Bg_Dy_Yoseizo/z_bg_dy_yoseizo.c
+++ b/src/overlays/actors/ovl_Bg_Dy_Yoseizo/z_bg_dy_yoseizo.c
@@ -696,7 +696,8 @@ static s16 sDemoEffectLightColors[] = { DEMO_EFFECT_LIGHT_GREEN, DEMO_EFFECT_LIG
 
 static s16 sExItemTypes[] = { EXITEM_MAGIC_WIND, EXITEM_MAGIC_FIRE, EXITEM_MAGIC_DARK };
 
-static s16 sItemGetFlags[] = { ITEMGETINF_18_MASK, ITEMGETINF_19_MASK, ITEMGETINF_1A_MASK };
+static s16 sItemGetFlagMasks[] = { ITEMGETINF_MASK(ITEMGETINF_18), ITEMGETINF_MASK(ITEMGETINF_19),
+                                   ITEMGETINF_MASK(ITEMGETINF_1A) };
 
 static u8 sItemIds[] = { ITEM_FARORES_WIND, ITEM_DINS_FIRE, ITEM_NAYRUS_LOVE };
 
@@ -808,7 +809,7 @@ void BgDyYoseizo_Give_Reward(BgDyYoseizo* this, PlayState* play) {
                 this->itemSpawned = true;
                 gSaveContext.healthAccumulator = 0x140;
                 Interface_ChangeHudVisibilityMode(HUD_VISIBILITY_HEARTS_MAGIC);
-                gSaveContext.save.info.itemGetInf[ITEMGETINF_18_19_1A_INDEX] |= sItemGetFlags[cueIdTemp];
+                gSaveContext.save.info.itemGetInf[ITEMGETINF_INDEX_18_19_1A] |= sItemGetFlagMasks[cueIdTemp];
                 Item_Give(play, sItemIds[cueIdTemp]);
             }
         } else {
diff --git a/src/overlays/actors/ovl_Bg_Spot09_Obj/z_bg_spot09_obj.c b/src/overlays/actors/ovl_Bg_Spot09_Obj/z_bg_spot09_obj.c
index 2839607d855..23bfb153fd5 100644
--- a/src/overlays/actors/ovl_Bg_Spot09_Obj/z_bg_spot09_obj.c
+++ b/src/overlays/actors/ovl_Bg_Spot09_Obj/z_bg_spot09_obj.c
@@ -138,7 +138,7 @@ void BgSpot09Obj_Init(Actor* thisx, PlayState* play) {
     BgSpot09Obj* this = (BgSpot09Obj*)thisx;
 
     PRINTF("Spot09 Object [arg_data : 0x%04x](大工救出フラグ 0x%x)\n", this->dyna.actor.params,
-           gSaveContext.save.info.eventChkInf[EVENTCHKINF_CARPENTERS_FREE_INDEX] &
+           gSaveContext.save.info.eventChkInf[EVENTCHKINF_INDEX_CARPENTERS_FREE] &
                EVENTCHKINF_CARPENTERS_FREE_MASK_ALL);
     this->dyna.actor.params &= 0xFF;
     if ((this->dyna.actor.params < 0) || (this->dyna.actor.params >= 5)) {
diff --git a/src/overlays/actors/ovl_En_Daiku/z_en_daiku.c b/src/overlays/actors/ovl_En_Daiku/z_en_daiku.c
index 2fac588608b..f106e270c29 100644
--- a/src/overlays/actors/ovl_En_Daiku/z_en_daiku.c
+++ b/src/overlays/actors/ovl_En_Daiku/z_en_daiku.c
@@ -270,7 +270,7 @@ void EnDaiku_UpdateText(EnDaiku* this, PlayState* play) {
                 if (this->stateFlags & ENDAIKU_STATEFLAG_GERUDODEFEATED) {
                     freedCount = 0;
                     for (carpenterType = 0; carpenterType < 4; carpenterType++) {
-                        if (gSaveContext.save.info.eventChkInf[EVENTCHKINF_CARPENTERS_FREE_INDEX] &
+                        if (gSaveContext.save.info.eventChkInf[EVENTCHKINF_INDEX_CARPENTERS_FREE] &
                             EVENTCHKINF_CARPENTERS_FREE_MASK(carpenterType)) {
                             freedCount++;
                         }
@@ -399,7 +399,7 @@ void EnDaiku_InitEscape(EnDaiku* this, PlayState* play) {
     EnDaiku_ChangeAnim(this, ENDAIKU_ANIM_RUN, &this->currentAnimIndex);
     this->stateFlags &= ~(ENDAIKU_STATEFLAG_1 | ENDAIKU_STATEFLAG_2);
 
-    gSaveContext.save.info.eventChkInf[EVENTCHKINF_CARPENTERS_FREE_INDEX] |=
+    gSaveContext.save.info.eventChkInf[EVENTCHKINF_INDEX_CARPENTERS_FREE] |=
         EVENTCHKINF_CARPENTERS_FREE_MASK(PARAMS_GET_U(this->actor.params, 0, 2));
 
     this->actor.gravity = -1.0f;
diff --git a/src/overlays/actors/ovl_En_Fr/z_en_fr.c b/src/overlays/actors/ovl_En_Fr/z_en_fr.c
index b683415f800..6cf0808a4ff 100644
--- a/src/overlays/actors/ovl_En_Fr/z_en_fr.c
+++ b/src/overlays/actors/ovl_En_Fr/z_en_fr.c
@@ -108,22 +108,22 @@ static EnFrPointers sEnFrPointers = {
 };
 
 #define FROG_HAS_SONG_BEEN_PLAYED(frogSongIndex)                             \
-    (gSaveContext.save.info.eventChkInf[EVENTCHKINF_SONGS_FOR_FROGS_INDEX] & \
+    (gSaveContext.save.info.eventChkInf[EVENTCHKINF_INDEX_SONGS_FOR_FROGS] & \
      sFrogSongIndexToEventChkInfSongsForFrogsMask[frogSongIndex])
 
 #define FROG_SET_SONG_PLAYED(frogSongIndex)                                  \
-    gSaveContext.save.info.eventChkInf[EVENTCHKINF_SONGS_FOR_FROGS_INDEX] |= \
+    gSaveContext.save.info.eventChkInf[EVENTCHKINF_INDEX_SONGS_FOR_FROGS] |= \
         sFrogSongIndexToEventChkInfSongsForFrogsMask[frogSongIndex];
 
 static u16 sFrogSongIndexToEventChkInfSongsForFrogsMask[] = {
-    EVENTCHKINF_SONGS_FOR_FROGS_ZL_MASK,     // FROG_ZL
-    EVENTCHKINF_SONGS_FOR_FROGS_EPONA_MASK,  // FROG_EPONA
-    EVENTCHKINF_SONGS_FOR_FROGS_SARIA_MASK,  // FROG_SARIA
-    EVENTCHKINF_SONGS_FOR_FROGS_SUNS_MASK,   // FROG_SUNS
-    EVENTCHKINF_SONGS_FOR_FROGS_SOT_MASK,    // FROG_SOT
-    EVENTCHKINF_SONGS_FOR_FROGS_STORMS_MASK, // FROG_STORMS
-    EVENTCHKINF_SONGS_FOR_FROGS_CHOIR_MASK,  // FROG_CHOIR_SONG
-    0,                                       // FROG_NO_SONG
+    EVENTCHKINF_MASK(EVENTCHKINF_SONGS_FOR_FROGS_ZL),     // FROG_ZL
+    EVENTCHKINF_MASK(EVENTCHKINF_SONGS_FOR_FROGS_EPONA),  // FROG_EPONA
+    EVENTCHKINF_MASK(EVENTCHKINF_SONGS_FOR_FROGS_SARIA),  // FROG_SARIA
+    EVENTCHKINF_MASK(EVENTCHKINF_SONGS_FOR_FROGS_SUNS),   // FROG_SUNS
+    EVENTCHKINF_MASK(EVENTCHKINF_SONGS_FOR_FROGS_SOT),    // FROG_SOT
+    EVENTCHKINF_MASK(EVENTCHKINF_SONGS_FOR_FROGS_STORMS), // FROG_STORMS
+    EVENTCHKINF_MASK(EVENTCHKINF_SONGS_FOR_FROGS_CHOIR),  // FROG_CHOIR_SONG
+    0,                                                    // FROG_NO_SONG
 };
 
 static u8 sFrogToFrogSongIndex[] = {
diff --git a/src/overlays/actors/ovl_En_Ge2/z_en_ge2.c b/src/overlays/actors/ovl_En_Ge2/z_en_ge2.c
index 8c466a25f7b..ad1b7a1caad 100644
--- a/src/overlays/actors/ovl_En_Ge2/z_en_ge2.c
+++ b/src/overlays/actors/ovl_En_Ge2/z_en_ge2.c
@@ -225,7 +225,7 @@ s32 Ge2_DetectPlayerInUpdate(PlayState* play, EnGe2* this, Vec3f* pos, s16 yRot,
 }
 
 s32 EnGe2_CheckCarpentersFreed(void) {
-    if (CHECK_FLAG_ALL(gSaveContext.save.info.eventChkInf[EVENTCHKINF_CARPENTERS_FREE_INDEX] &
+    if (CHECK_FLAG_ALL(gSaveContext.save.info.eventChkInf[EVENTCHKINF_INDEX_CARPENTERS_FREE] &
                            (EVENTCHKINF_CARPENTERS_FREE_MASK_ALL | 0xF0),
                        EVENTCHKINF_CARPENTERS_FREE_MASK_ALL)) {
         return 1;
diff --git a/src/overlays/actors/ovl_En_Hy/z_en_hy.c b/src/overlays/actors/ovl_En_Hy/z_en_hy.c
index 2c20a18560f..2aa163d0fbc 100644
--- a/src/overlays/actors/ovl_En_Hy/z_en_hy.c
+++ b/src/overlays/actors/ovl_En_Hy/z_en_hy.c
@@ -605,7 +605,7 @@ u16 EnHy_GetTextId(PlayState* play, Actor* thisx) {
     switch (ENHY_GET_TYPE(&this->actor)) {
         case ENHY_TYPE_DOG_LADY:
             if (play->sceneId == SCENE_KAKARIKO_CENTER_GUEST_HOUSE) {
-                return (this->talonEventChkInf & EVENTCHKINF_TALON_RETURNED_FROM_KAKARIKO_MASK)
+                return (this->talonEventChkInf & EVENTCHKINF_MASK(EVENTCHKINF_TALON_RETURNED_FROM_KAKARIKO))
                            ? 0x508D
                            : (GET_INFTABLE(INFTABLE_CB) ? 0x508C : 0x508B);
             } else if (play->sceneId == SCENE_MARKET_DAY) {
@@ -738,7 +738,7 @@ u16 EnHy_GetTextId(PlayState* play, Actor* thisx) {
             if (!LINK_IS_ADULT) {
                 return GET_EVENTCHKINF(EVENTCHKINF_80) ? 0x505F : (GET_INFTABLE(INFTABLE_163) ? 0x505E : 0x505D);
             } else {
-                return (this->talonEventChkInf & EVENTCHKINF_TALON_RETURNED_FROM_KAKARIKO_MASK)
+                return (this->talonEventChkInf & EVENTCHKINF_MASK(EVENTCHKINF_TALON_RETURNED_FROM_KAKARIKO))
                            ? 0x5062
                            : (GET_INFTABLE(INFTABLE_164) ? 0x5061 : 0x5060);
             }
@@ -1165,7 +1165,7 @@ void EnHy_WaitForObjects(EnHy* this, PlayState* play) {
         }
 
         if (play->sceneId == SCENE_KAKARIKO_CENTER_GUEST_HOUSE) {
-            this->talonEventChkInf = gSaveContext.save.info.eventChkInf[EVENTCHKINF_TALON_RETURNED_FROM_KAKARIKO_INDEX];
+            this->talonEventChkInf = gSaveContext.save.info.eventChkInf[EVENTCHKINF_INDEX_TALON_RETURNED_FROM_KAKARIKO];
         }
 
         EnHy_InitSetProperties(this);
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 b5e543f450b..7ce346f6333 100644
--- a/src/overlays/actors/ovl_En_In/z_en_in.c
+++ b/src/overlays/actors/ovl_En_In/z_en_in.c
@@ -500,7 +500,7 @@ void EnIn_Init(Actor* thisx, PlayState* play) {
     respawnPos = respawn->pos;
     // hardcoded coords for lon lon entrance
     if (D_80A7B998 == 0 && respawnPos.x == 1107.0f && respawnPos.y == 0.0f && respawnPos.z == -3740.0f) {
-        gSaveContext.eventInf[EVENTINF_HORSES_INDEX] = 0;
+        gSaveContext.eventInf[EVENTINF_INDEX_HORSES] = 0;
         D_80A7B998 = 1;
     }
     this->actionFunc = EnIn_WaitForObject;
@@ -586,7 +586,7 @@ void EnIn_WaitForObject(EnIn* this, PlayState* play) {
                     case INGO_RACE_STATE_RACING:
                         EnIn_ChangeAnim(this, ENIN_ANIM_2);
                         this->actionFunc = func_80A7A4C8;
-                        gSaveContext.eventInf[EVENTINF_HORSES_INDEX] = 0;
+                        gSaveContext.eventInf[EVENTINF_INDEX_HORSES] = 0;
                         break;
                     case INGO_RACE_STATE_HORSE_RENTAL_PERIOD:
                         this->actor.attentionRangeType = ATTENTION_RANGE_3;
diff --git a/src/overlays/actors/ovl_En_Mu/z_en_mu.c b/src/overlays/actors/ovl_En_Mu/z_en_mu.c
index 01c3788df9a..dbe5e1b15c8 100644
--- a/src/overlays/actors/ovl_En_Mu/z_en_mu.c
+++ b/src/overlays/actors/ovl_En_Mu/z_en_mu.c
@@ -64,9 +64,9 @@ void EnMu_Interact(EnMu* this, PlayState* play) {
     s32 randomIndex;
     s32 i;
 
-    textFlags = gSaveContext.eventInf[EVENTINF_20_21_22_23_24_INDEX] &
+    textFlags = gSaveContext.eventInf[EVENTINF_INDEX_20_21_22_23_24] &
                 (EVENTINF_20_MASK | EVENTINF_21_MASK | EVENTINF_22_MASK | EVENTINF_23_MASK | EVENTINF_24_MASK);
-    gSaveContext.eventInf[EVENTINF_20_21_22_23_24_INDEX] &=
+    gSaveContext.eventInf[EVENTINF_INDEX_20_21_22_23_24] &=
         ~(EVENTINF_20_MASK | EVENTINF_21_MASK | EVENTINF_22_MASK | EVENTINF_23_MASK | EVENTINF_24_MASK);
     randomIndex = (play->state.frames + (s32)(Rand_ZeroOne() * 5.0f)) % 5;
 
@@ -95,7 +95,7 @@ void EnMu_Interact(EnMu* this, PlayState* play) {
     textFlags |= bitmask[randomIndex];
     this->defaultTextId = textIdOffset[randomIndex] | 0x7000;
     textFlags &= EVENTINF_20_MASK | EVENTINF_21_MASK | EVENTINF_22_MASK | EVENTINF_23_MASK | EVENTINF_24_MASK | 0xE0;
-    gSaveContext.eventInf[EVENTINF_20_21_22_23_24_INDEX] |= textFlags;
+    gSaveContext.eventInf[EVENTINF_INDEX_20_21_22_23_24] |= textFlags;
 }
 
 u16 EnMu_GetTextId(PlayState* play, Actor* thisx) {
diff --git a/src/overlays/actors/ovl_En_Niw/z_en_niw.c b/src/overlays/actors/ovl_En_Niw/z_en_niw.c
index 88ec34a0961..144c76b2cbb 100644
--- a/src/overlays/actors/ovl_En_Niw/z_en_niw.c
+++ b/src/overlays/actors/ovl_En_Niw/z_en_niw.c
@@ -66,8 +66,8 @@ static Vec3f sKakarikoPosList[] = {
 };
 
 static s16 sKakarikoFlagList[] = {
-    INFTABLE_199_MASK, INFTABLE_19A_MASK, INFTABLE_19B_MASK, INFTABLE_19C_MASK,
-    INFTABLE_19D_MASK, INFTABLE_19E_MASK, INFTABLE_19F_MASK,
+    INFTABLE_MASK(INFTABLE_199), INFTABLE_MASK(INFTABLE_19A), INFTABLE_MASK(INFTABLE_19B), INFTABLE_MASK(INFTABLE_19C),
+    INFTABLE_MASK(INFTABLE_19D), INFTABLE_MASK(INFTABLE_19E), INFTABLE_MASK(INFTABLE_19F),
 };
 
 static u8 sLowerRiverSpawned = false;
@@ -162,7 +162,7 @@ void EnNiw_Init(Actor* thisx, PlayState* play) {
                 fabsf(this->actor.world.pos.z - sKakarikoPosList[i].z) < 40.0f) {
                 this->unk_2AA = i;
                 PRINTF(VT_FGCOL(YELLOW) " 通常鶏index %d\n" VT_RST, this->unk_2AA);
-                if (gSaveContext.save.info.infTable[INFTABLE_199_19A_19B_19C_19D_19E_19F_INDEX] &
+                if (gSaveContext.save.info.infTable[INFTABLE_INDEX_199_19A_19B_19C_19D_19E_19F] &
                     sKakarikoFlagList[i]) {
                     this->actor.world.pos.x = 300.0f;
                     this->actor.world.pos.y = 100.0f;
diff --git a/src/overlays/actors/ovl_En_Niw_Lady/z_en_niw_lady.c b/src/overlays/actors/ovl_En_Niw_Lady/z_en_niw_lady.c
index c58a8663f86..0415f95bb93 100644
--- a/src/overlays/actors/ovl_En_Niw_Lady/z_en_niw_lady.c
+++ b/src/overlays/actors/ovl_En_Niw_Lady/z_en_niw_lady.c
@@ -43,8 +43,8 @@ static s16 sMissingCuccoTextIds[] = {
 };
 
 static s16 D_80ABB3B4[] = {
-    INFTABLE_199_MASK, INFTABLE_19A_MASK, INFTABLE_19B_MASK, INFTABLE_19C_MASK,
-    INFTABLE_19D_MASK, INFTABLE_19E_MASK, INFTABLE_19F_MASK,
+    INFTABLE_MASK(INFTABLE_199), INFTABLE_MASK(INFTABLE_19A), INFTABLE_MASK(INFTABLE_19B), INFTABLE_MASK(INFTABLE_19C),
+    INFTABLE_MASK(INFTABLE_19D), INFTABLE_MASK(INFTABLE_19E), INFTABLE_MASK(INFTABLE_19F),
 };
 
 static ColliderCylinderInit sCylinderInit = {
@@ -210,7 +210,7 @@ void func_80ABA244(EnNiwLady* this, PlayState* play) {
             if ((fabsf(currentCucco->actor.world.pos.x - 330.0f) < 90.0f) &&
                 (fabsf(currentCucco->actor.world.pos.z - 1610.0f) < 190.0f)) {
                 if (this->unk_26C == 0) {
-                    gSaveContext.save.info.infTable[INFTABLE_199_19A_19B_19C_19D_19E_19F_INDEX] |=
+                    gSaveContext.save.info.infTable[INFTABLE_INDEX_199_19A_19B_19C_19D_19E_19F] |=
                         D_80ABB3B4[currentCucco->unk_2AA];
                     if (BREG(1) != 0) {
                         // "GET inside the chicken fence!"
@@ -219,7 +219,7 @@ void func_80ABA244(EnNiwLady* this, PlayState* play) {
                 }
                 this->cuccosInPen++;
             } else if (this->unk_26C == 0) {
-                gSaveContext.save.info.infTable[INFTABLE_199_19A_19B_19C_19D_19E_19F_INDEX] &=
+                gSaveContext.save.info.infTable[INFTABLE_INDEX_199_19A_19B_19C_19D_19E_19F] &=
                     ~D_80ABB3B4[currentCucco->unk_2AA];
             }
         }
@@ -276,12 +276,13 @@ void func_80ABA244(EnNiwLady* this, PlayState* play) {
                 this->unk_262 = TEXT_STATE_EVENT;
                 this->unk_26A = this->cuccosInPen;
                 PRINTF(VT_FGCOL(CYAN) "☆☆☆☆☆ 柵内BIT変更前 ☆☆ %x\n" VT_RST,
-                       gSaveContext.save.info.infTable[INFTABLE_199_19A_19B_19C_19D_19E_19F_INDEX]);
-                gSaveContext.save.info.infTable[INFTABLE_199_19A_19B_19C_19D_19E_19F_INDEX] &=
-                    (u16) ~(INFTABLE_199_MASK | INFTABLE_19A_MASK | INFTABLE_19B_MASK | INFTABLE_19C_MASK |
-                            INFTABLE_19D_MASK | INFTABLE_19E_MASK | INFTABLE_19F_MASK);
+                       gSaveContext.save.info.infTable[INFTABLE_INDEX_199_19A_19B_19C_19D_19E_19F]);
+                gSaveContext.save.info.infTable[INFTABLE_INDEX_199_19A_19B_19C_19D_19E_19F] &=
+                    (u16) ~(INFTABLE_MASK(INFTABLE_199) | INFTABLE_MASK(INFTABLE_19A) | INFTABLE_MASK(INFTABLE_19B) |
+                            INFTABLE_MASK(INFTABLE_19C) | INFTABLE_MASK(INFTABLE_19D) | INFTABLE_MASK(INFTABLE_19E) |
+                            INFTABLE_MASK(INFTABLE_19F));
                 PRINTF(VT_FGCOL(CYAN) "☆☆☆☆☆ 柵内BIT変更後 ☆☆ %x\n" VT_RST,
-                       gSaveContext.save.info.infTable[INFTABLE_199_19A_19B_19C_19D_19E_19F_INDEX]);
+                       gSaveContext.save.info.infTable[INFTABLE_INDEX_199_19A_19B_19C_19D_19E_19F]);
                 PRINTF("\n\n");
                 this->actionFunc = func_80ABA654;
                 return;
diff --git a/src/overlays/actors/ovl_En_Sth/z_en_sth.c b/src/overlays/actors/ovl_En_Sth/z_en_sth.c
index e4ad4398064..1c8a222c068 100644
--- a/src/overlays/actors/ovl_En_Sth/z_en_sth.c
+++ b/src/overlays/actors/ovl_En_Sth/z_en_sth.c
@@ -74,7 +74,12 @@ static EnSthActionFunc sRewardObtainedWaitActions[6] = {
 };
 
 static u16 sEventFlags[6] = {
-    0, EVENTCHKINF_DA_MASK, EVENTCHKINF_DB_MASK, EVENTCHKINF_DC_MASK, EVENTCHKINF_DD_MASK, EVENTCHKINF_DE_MASK,
+    0,
+    EVENTCHKINF_MASK(EVENTCHKINF_DA),
+    EVENTCHKINF_MASK(EVENTCHKINF_DB),
+    EVENTCHKINF_MASK(EVENTCHKINF_DC),
+    EVENTCHKINF_MASK(EVENTCHKINF_DD),
+    EVENTCHKINF_MASK(EVENTCHKINF_DE),
 };
 
 static s16 sGetItemIds[6] = {
@@ -156,7 +161,7 @@ void EnSth_SetupAfterObjectLoaded(EnSth* this, PlayState* play) {
 
     this->eventFlag = sEventFlags[this->actor.params];
     params = &this->actor.params;
-    if (gSaveContext.save.info.eventChkInf[EVENTCHKINF_DA_DB_DC_DD_DE_INDEX] & this->eventFlag) {
+    if (gSaveContext.save.info.eventChkInf[EVENTCHKINF_INDEX_DA_DB_DC_DD_DE] & this->eventFlag) {
         EnSth_SetupAction(this, sRewardObtainedWaitActions[*params]);
     } else {
         EnSth_SetupAction(this, EnSth_RewardUnobtainedWait);
@@ -256,7 +261,7 @@ void EnSth_GiveReward(EnSth* this, PlayState* play) {
     if (Actor_HasParent(&this->actor, play)) {
         this->actor.parent = NULL;
         EnSth_SetupAction(this, EnSth_RewardObtainedTalk);
-        gSaveContext.save.info.eventChkInf[EVENTCHKINF_DA_DB_DC_DD_DE_INDEX] |= this->eventFlag;
+        gSaveContext.save.info.eventChkInf[EVENTCHKINF_INDEX_DA_DB_DC_DD_DE] |= this->eventFlag;
     } else {
         EnSth_GivePlayerItem(this, play);
     }
diff --git a/src/overlays/actors/ovl_player_actor/z_player.c b/src/overlays/actors/ovl_player_actor/z_player.c
index 3676becdc42..0c10cbc4d6a 100644
--- a/src/overlays/actors/ovl_player_actor/z_player.c
+++ b/src/overlays/actors/ovl_player_actor/z_player.c
@@ -10760,7 +10760,7 @@ void Player_Init(Actor* thisx, PlayState* play2) {
     gSaveContext.respawn[RESPAWN_MODE_DOWN].data = 1;
 
     if (play->sceneId <= SCENE_INSIDE_GANONS_CASTLE_COLLAPSE) {
-        gSaveContext.save.info.infTable[INFTABLE_1AX_INDEX] |= gBitFlags[play->sceneId];
+        gSaveContext.save.info.infTable[INFTABLE_INDEX_1AX] |= gBitFlags[play->sceneId];
     }
 
     startMode = PLAYER_GET_START_MODE(thisx);
diff --git a/src/overlays/misc/ovl_kaleido_scope/z_kaleido_equipment.c b/src/overlays/misc/ovl_kaleido_scope/z_kaleido_equipment.c
index 33c98159c95..e633b06e2e2 100644
--- a/src/overlays/misc/ovl_kaleido_scope/z_kaleido_equipment.c
+++ b/src/overlays/misc/ovl_kaleido_scope/z_kaleido_equipment.c
@@ -466,7 +466,7 @@ void KaleidoScope_DrawEquipment(PlayState* play) {
                 Inventory_ChangeEquipment(pauseCtx->cursorY[PAUSE_EQUIP], pauseCtx->cursorX[PAUSE_EQUIP]);
 
                 if (pauseCtx->cursorY[PAUSE_EQUIP] == 0) {
-                    gSaveContext.save.info.infTable[INFTABLE_1DX_INDEX] = 0;
+                    gSaveContext.save.info.infTable[INFTABLE_INDEX_1DX] = 0;
                     gSaveContext.save.info.equips.buttonItems[0] = cursorItem;
 
                     if ((pauseCtx->cursorX[PAUSE_EQUIP] == 3) && (gSaveContext.save.info.playerData.bgsFlag != 0)) {