diff --git a/include/map.h b/include/map.h
index 44d64610d5..aee0afb754 100644
--- a/include/map.h
+++ b/include/map.h
@@ -31,7 +31,7 @@ typedef struct MapConfig {
     } tattle;
 } MapConfig; // size = 0x40
 
-typedef s32(*MapInit)(void);
+typedef s32 (*MapInit)(void);
 
 #define MAP_ID_MAX_LEN 7 ///< "xxx_yyy" excluding null terminator.
 typedef struct Map {
diff --git a/include/variables.h b/include/variables.h
index 99a6c4d0c7..e41dd6ba53 100644
--- a/include/variables.h
+++ b/include/variables.h
@@ -97,7 +97,7 @@ extern f64 D_802EB000;
 extern f64 D_802EB008;
 
 extern Entity* D_802EB3A0;
-extern s32 D_8015C7D0;
+extern s32 D_8015C7D0[3];
 
 extern UNK_TYPE D_0A0031E0;
 extern UNK_TYPE D_0A001508;
diff --git a/src/code_102610_len_2330.c b/src/code_102610_len_2330.c
index 169452c7f4..1fc7b33c6f 100644
--- a/src/code_102610_len_2330.c
+++ b/src/code_102610_len_2330.c
@@ -8,11 +8,10 @@ void create_shadow_callback(Shadow* shadow) {
 
 //TODO: make sure this is the right struct for this.
 s32 func_802E0DB0(Shadow* shadow) {
-
     if (((shadow->unk_06 & 4) != 0) && (gPlayerStatus.flags & 2) != 0) {
-        return 1;
+        return TRUE;
     }
-    return 0;
+    return FALSE;
 }
 
 INCLUDE_ASM(s32, "code_102610_len_2330", func_802E0DE0);
@@ -31,14 +30,13 @@ void func_802E10F4(Entity* entity) {
 }
 
 void func_802E114C(void) {
-
-    func_80027088(1);
+    func_80027088(TRUE);
     disable_player_input();
     gPlayerStatusPtr->currentSpeed = 0.0f;
 }
 
 void func_802E117C(void) {
-    func_80027088(0);
+    func_80027088(FALSE);
     enable_player_input();
 }
 
@@ -53,7 +51,7 @@ void save_game_at_player_position(void) {
 
 void func_802E1204(Entity* entity) {
 
-    if (get_global_flag(0xF8405BDF) == 0) {
+    if (!get_global_flag(0xF8405BDF)) {
         s32* temp = &D_802EB390;
         *temp = 0;
         load_string(0x1D0000, temp);
diff --git a/src/code_105f90.c b/src/code_105f90.c
index 4b03e45142..4b13029630 100644
--- a/src/code_105f90.c
+++ b/src/code_105f90.c
@@ -9,11 +9,9 @@ void func_802E4AEC(s32 entityIndex) {
 }
 
 void func_802E4B10(Entity* entity) {
-    f32 temp_f0;
-    Entity* entityTemp;
     struct802E4B10* temp = entity->dataBuf;
+    Entity* entityTemp = get_entity_by_index(temp->unk_00);
 
-    entityTemp = get_entity_by_index(temp->unk_00);
     entity->position.x = entityTemp->position.x;
     entity->position.y = entityTemp->position.y + 14.0f;
     entity->position.z = entityTemp->position.z;
@@ -66,7 +64,6 @@ void func_802E5308(Entity* entity) {
     func_802E3650(entity);
 }
 
-
 INCLUDE_ASM(s32, "code_105f90", func_802E5324);
 
 void func_802E540C(Entity* entity) {
diff --git a/src/code_1060_len_310.c b/src/code_1060_len_310.c
index 755528a063..7e373371f2 100644
--- a/src/code_1060_len_310.c
+++ b/src/code_1060_len_310.c
@@ -39,7 +39,7 @@ u32 func_80025D74(void* arg0, const unsigned char* str, s32 count) {
     OSPiHandle** handle = &carthandle;
 
     osEPiReadIo(*handle, 0xB3FF0000, &data);
-    if (data != 0x49533634) {
+    if (data != ASCII_TO_U32('I', 'S', '6', '4')) {
         return 1;
     }
     osEPiReadIo(*handle, 0xB3FF0004, &data);
diff --git a/src/code_109660_len_1270.c b/src/code_109660_len_1270.c
index 4e65db7ef3..73d5be73f2 100644
--- a/src/code_109660_len_1270.c
+++ b/src/code_109660_len_1270.c
@@ -58,16 +58,16 @@ INCLUDE_ASM(s32, "code_109660_len_1270", func_802E854C);
 
 s32 func_802E8858(Entity* entity) {
     PlayerStatus* playerStatus = &gPlayerStatus;
-    s32 phi_a0 = 0;
+    s32 phi_a0 = FALSE;
 
     if (entity->unk_06 & 1) {
         if ((playerStatus->actionState == ActionState_GROUND_POUND) || (playerStatus->actionState == ActionState_ULTRA_POUND)) {
             set_action_state(ActionState_FALLING);
-            phi_a0 = 1;
+            phi_a0 = TRUE;
         }
     }
 
-    if (phi_a0 != 0) {
+    if (phi_a0) {
         func_802E7F6C(entity);
         func_80110BCC(entity, &D_802EAE7C);
         func_80110678(entity);
@@ -82,16 +82,16 @@ void func_802E88EC(Entity* entity, f32 arg1) {
     struct802E7F40* temp = entity->dataBuf;
 
     if (temp->unk_00 != -1) {
-        s32 flag = 0;
+        s32 flag = FALSE;
 
         // can't do || here, or gcc realizes it can reuse the temp->unk_04 load
-        if ((temp->unk_04 == 0xFFFF)) {
-            flag = 1;
-        } else if ((get_global_flag(temp->unk_04) == 0)) {
-            flag = 1;
+        if (temp->unk_04 == 0xFFFF) {
+            flag = TRUE;
+        } else if (!get_global_flag(temp->unk_04)) {
+            flag = TRUE;
         }
 
-        if (flag != 0) {
+        if (flag) {
             make_item_entity(temp->unk_00, entity->position.x, entity->position.y + D_802EB370, entity->position.z, 0xA, 0,
                              func_800E546C(), temp->unk_04);
         }
@@ -103,15 +103,16 @@ typedef struct struct802E89B0 {
     /* 0x04 */ s32 unk_04;
     /* 0x08 */ s32 unk_08;
     /* 0x0C */ s32 unk_0C;
-    /* 0x10 */ char unk_10[4];
+    /* 0x10 */ s32 unk_10;
     /* 0x14 */ s32 unk_14;
+    /* 0x18 */ f32 unk_18;
 } struct802E89B0;
 
 void func_802E89B0(Entity* entity) {
     struct802E89B0* temp_s0;
 
     temp_s0 = entity->dataBuf;
-    if (get_global_flag(temp_s0->unk_14) != 0) {
+    if (get_global_flag(temp_s0->unk_14)) {
         temp_s0->unk_04 = 0x10;
         func_8010FD68(entity);
     }
diff --git a/src/code_341d0.c b/src/code_341d0.c
index a0f32fe66f..29fc545fc5 100644
--- a/src/code_341d0.c
+++ b/src/code_341d0.c
@@ -166,7 +166,6 @@ extern TlbMappablePage D_80197000;
 extern EffectTableEntry D_8007F210[135];
 
 s32 play_effect(s32 effectIndex) {
-
     EffectTableEntry* effectTable = &D_8007F210[0];
     EffectTableEntry* effectEntry;
     Effect* curEffect;
diff --git a/src/si.c b/src/si.c
index c420c58b6a..07712b475a 100644
--- a/src/si.c
+++ b/src/si.c
@@ -112,7 +112,7 @@ ApiStatus si_handle_sleep_seconds(ScriptInstance* script) {
         return ApiStatus_DONE2;
     }
 
-    script->functionTemp[0].s -= 1;
+    script->functionTemp[0].s--;
     return !script->functionTemp[0].s;
 }
 
diff --git a/src/world/area_kmr/kmr_03/8C7F90.c b/src/world/area_kmr/kmr_03/8C7F90.c
index f8eb70cc8e..b1246aeb20 100644
--- a/src/world/area_kmr/kmr_03/8C7F90.c
+++ b/src/world/area_kmr/kmr_03/8C7F90.c
@@ -50,14 +50,12 @@ ApiStatus func_80240000_8C7F90(ScriptInstance* script, s32 isInitialCall) {
 
 #include "world/common/CheckPartnerFlags1000.inc.c"
 
-// 8C85E0
 Vec4f N(entryList)[] = {
     { -340.0f, 0.0f, 348.0f, 48.0f },
     { 480.0f, 0.0f, 0.0f, 270.0f },
     { -310.0f, 20.0f, -80.0f, 135.0f },
 };
 
-
 MapConfig N(config) = {
     .main = N(Main),
     .entryList = N(entryList),