diff --git a/include/functions.h b/include/functions.h
index be85d86423..1cacc5fed2 100644
--- a/include/functions.h
+++ b/include/functions.h
@@ -1652,10 +1652,10 @@ void func_800F0590(GlobalContext* globalCtx, Vec3f* arg1, s32 arg2, s32 arg3);
 // void func_800F10AC(void);
 // void func_800F112C(void);
 u16 Text_GetFaceReaction(GlobalContext* globalCtx, u32 reactionSet);
-void func_800F12D0(GlobalContext* globalCtx);
-void func_800F1304(GlobalContext* globalCtx, s16 param_2);
-void func_800F1374(s32 param_1, s16 param_2);
-s16 func_800F13E8(GlobalContext* globalCtx, s16 param_2);
+void EnvFlags_UnsetAll(GlobalContext* globalCtx);
+void EnvFlags_Set(GlobalContext* globalCtx, s16 flag);
+void EnvFlags_Unset(GlobalContext* globalCtx, s16 flag);
+s32 EnvFlags_Get(GlobalContext* globalCtx, s16 flag);
 s16 func_800F1460(s16 param_1);
 ActorCutscene* ActorCutscene_GetCutsceneImpl(s16 index);
 void ActorCutscene_Init(GlobalContext* globalCtx, ActorCutscene* cutscenes, s32 num);
diff --git a/spec b/spec
index f7bd476893..2350931e9f 100644
--- a/spec
+++ b/spec
@@ -483,7 +483,7 @@ beginseg
     include "build/src/code/code_800F07C0.o"
     include "build/data/code/code_801BC2A0.data.o"
     include "build/src/code/z_face_reaction.o"
-    include "build/src/code/code_800F12D0.o"
+    include "build/src/code/z_env_flags.o"
     include "build/src/code/z_eventmgr.o"
     include "build/data/code/z_eventmgr.bss.o"
     include "build/src/code/z_fcurve_data.o"
diff --git a/src/code/code_800F12D0.c b/src/code/code_800F12D0.c
deleted file mode 100644
index d34f11e814..0000000000
--- a/src/code/code_800F12D0.c
+++ /dev/null
@@ -1,9 +0,0 @@
-#include "global.h"
-
-#pragma GLOBAL_ASM("asm/non_matchings/code/code_800F12D0/func_800F12D0.s")
-
-#pragma GLOBAL_ASM("asm/non_matchings/code/code_800F12D0/func_800F1304.s")
-
-#pragma GLOBAL_ASM("asm/non_matchings/code/code_800F12D0/func_800F1374.s")
-
-#pragma GLOBAL_ASM("asm/non_matchings/code/code_800F12D0/func_800F13E8.s")
diff --git a/src/code/z_env_flags.c b/src/code/z_env_flags.c
new file mode 100644
index 0000000000..d766815124
--- /dev/null
+++ b/src/code/z_env_flags.c
@@ -0,0 +1,33 @@
+#include "global.h"
+
+void EnvFlags_UnsetAll(GlobalContext* globalCtx) {
+    u8 i;
+
+    for (i = 0; i < ARRAY_COUNT(globalCtx->envFlags); i++) {
+        globalCtx->envFlags[i] = 0;
+    }
+}
+
+void EnvFlags_Set(GlobalContext* globalCtx, s16 flag) {
+    s16 index = flag / 16;
+    s16 bit = flag % 16;
+    s16 mask = 1 << bit;
+
+    globalCtx->envFlags[index] |= mask;
+}
+
+void EnvFlags_Unset(GlobalContext* globalCtx, s16 flag) {
+    s16 index = flag / 16;
+    s16 bit = flag % 16;
+    s16 mask = (1 << bit) ^ 0xFFFF;
+
+    globalCtx->envFlags[index] &= mask;
+}
+
+s32 EnvFlags_Get(GlobalContext* globalCtx, s16 flag) {
+    s16 index = flag / 16;
+    s16 bit = flag % 16;
+    s16 mask = 1 << bit;
+
+    return globalCtx->envFlags[index] & mask;
+}
diff --git a/src/overlays/actors/ovl_Door_Ana/z_door_ana.c b/src/overlays/actors/ovl_Door_Ana/z_door_ana.c
index ed485a1104..fb983aa6fe 100644
--- a/src/overlays/actors/ovl_Door_Ana/z_door_ana.c
+++ b/src/overlays/actors/ovl_Door_Ana/z_door_ana.c
@@ -98,7 +98,7 @@ void DoorAna_WaitClosed(DoorAna* this, GlobalContext* globalCtx) {
 
     if (grottoType == DOORANA_TYPE_UNK) {
         // in OOT decomp its marked as open with storms, but does not seem to open with storms in MM
-        if ((this->actor.xyzDistToPlayerSq < 40000.0f) && (func_800F13E8(globalCtx, 5))) {
+        if ((this->actor.xyzDistToPlayerSq < 40000.0f) && (EnvFlags_Get(globalCtx, 5))) {
             grottoIsOpen = 1;
             this->actor.flags &= ~0x10; // always update OFF
         }
diff --git a/tools/disasm/files.txt b/tools/disasm/files.txt
index f1938cf4c0..c67027a734 100644
--- a/tools/disasm/files.txt
+++ b/tools/disasm/files.txt
@@ -379,7 +379,7 @@
             0x800F05C0 : "z_elf_message",
             0x800F07C0 : "code_800F07C0",
             0x800F1250 : "z_face_reaction",
-            0x800F12D0 : "code_800F12D0",
+            0x800F12D0 : "z_env_flags",
             0x800F1460 : "z_eventmgr",
             0x800F23E0 : "z_fcurve_data",
             0x800F2620 : "z_fcurve_data_skelanime",
diff --git a/tools/disasm/functions.txt b/tools/disasm/functions.txt
index 06583a169c..7e30deb3ed 100644
--- a/tools/disasm/functions.txt
+++ b/tools/disasm/functions.txt
@@ -1632,10 +1632,10 @@
     0x800F10AC:("func_800F10AC",),
     0x800F112C:("func_800F112C",),
     0x800F1250:("Text_GetFaceReaction",),
-    0x800F12D0:("func_800F12D0",),
-    0x800F1304:("func_800F1304",),
-    0x800F1374:("func_800F1374",),
-    0x800F13E8:("func_800F13E8",),
+    0x800F12D0:("EnvFlags_UnsetAll",),
+    0x800F1304:("EnvFlags_Set",),
+    0x800F1374:("EnvFlags_Unset",),
+    0x800F13E8:("EnvFlags_Get",),
     0x800F1460:("func_800F1460",),
     0x800F14F8:("ActorCutscene_GetCutsceneImpl",),
     0x800F1544:("ActorCutscene_Init",),