diff --git a/asm/code_803B050.s b/asm/code_803B050.s
index da56cba09..9b530ce55 100644
--- a/asm/code_803B050.s
+++ b/asm/code_803B050.s
@@ -77,7 +77,7 @@ _0803B0C8:
 	ldr r3, [r0, 0x34]
 	adds r1, r2, 0
 	movs r2, 0xA
-	bl sub_8013818
+	bl CreateMenuOnWindow
 	bl sub_803B204
 	bl sub_803B284
 	movs r0, 0x1
diff --git a/include/code_801D9E4.h b/include/code_801D9E4.h
deleted file mode 100644
index fdd014a98..000000000
--- a/include/code_801D9E4.h
+++ /dev/null
@@ -1,24 +0,0 @@
-#ifndef GUARD_CODE_801D9E4_H
-#define GUARD_CODE_801D9E4_H
-
-#include "structs/menu.h"
-#include "structs/str_text.h"
-
-// size: 0x1C
-struct unkStruct_81188F0
-{
-    /* 0x0 */ u8 *text1;
-    /* 0x4 */ u8 *text2;
-    /* 0x8 */ u8 *text3;
-    /* 0xC */ u8 *text4[2];
-    /* 0x14 */ u32 unk2;
-    /* 0x18 */ u32 unk3;
-};
-
-bool8 sub_801D9E4(void);
-void sub_801DA58(s16);
-u32 sub_801DA78(void);
-s16 sub_801DAC0(void);
-void sub_801DB0C(void);
-
-#endif // GUARD_CODE_801D9E4_H
diff --git a/include/debug_field_map_window.h b/include/debug_field_map_window.h
new file mode 100644
index 000000000..71a692e66
--- /dev/null
+++ b/include/debug_field_map_window.h
@@ -0,0 +1,13 @@
+#ifndef GUARD_DEBUG_FIELD_MAP_WINDOW_H
+#define GUARD_DEBUG_FIELD_MAP_WINDOW_H
+
+#define DEBUG_INPUT_B_PRESS 2
+#define DEBUG_INPUT_A_PRESS 3
+
+bool8 DebugFieldMapWindow_Init(void);
+void sub_801DA58(s16);
+u32 DebugFieldMapWindow_GetInput(void);
+s16 DebugFieldMapWindow_GetCurrentIndex(void);
+void DebugFieldMapWindow_Free(void);
+
+#endif // GUARD_DEBUG_FIELD_MAP_WINDOW_H
diff --git a/include/menu_input.h b/include/menu_input.h
index 62e1ed41b..c5440ac40 100644
--- a/include/menu_input.h
+++ b/include/menu_input.h
@@ -32,8 +32,8 @@ s32 sub_80137A8(MenuInputStruct *param_1);
 void sub_80137B0(MenuInputStruct *param_1, s32 param_2);
 void sub_80137F8(MenuInputStruct *param_1, u32 param_2);
 s32 GetMenuEntryYCoord(MenuInputStruct *menu, s32 entryId);
-void sub_8013818(MenuInputStruct *param_1, s32 param_2, u32 param_3, s32 param_4);
-void sub_8013848(MenuInputStruct *param_1, s32 param_2, u32 param_3, s32 param_4);
+void CreateMenuOnWindow(MenuInputStruct *menuInput, s32 totalCount, u32 perPageCount, s32 windowId);
+void sub_8013848(MenuInputStruct *menuInput, s32 totalCount, u32 perPageCount, s32 windowId);
 void sub_8013878(MenuInputStruct *param_1, s32 param_2);
 bool8 sub_80138B8(MenuInputStruct *param_1, bool8 param_2);
 bool8 sub_8013938(MenuInputStruct *param_1);
diff --git a/include/structs/menu.h b/include/structs/menu.h
index 381287a2b..d920e4e64 100644
--- a/include/structs/menu.h
+++ b/include/structs/menu.h
@@ -20,7 +20,7 @@ typedef struct MenuInputStructSub
 // size: R=0x34 | NDS=0x32?
 typedef struct MenuInputStruct
 {
-    /* 0x0  */ s32 unk0;
+    /* 0x0  */ s32 windowId;
     /* 0x4  */ u16 unk4;
     /* 0x6  */ s16 firstEntryY;
     /* 0x8  */ DungeonPos unk8;
@@ -30,10 +30,10 @@ typedef struct MenuInputStruct
     /* 0x14 */ DungeonPos unk14;
     /* 0x18 */ s16 menuIndex;
     /* 0x1A */ s16 unk1A;
-    /* 0x1C */ s16 unk1C;
+    /* 0x1C */ s16 entriesPerPage;
     /* 0x1E */ s16 unk1E;
     /* 0x20 */ s16 unk20;
-    /* 0x22 */ s16 unk22;
+    /* 0x22 */ s16 totalEntriesCount;
     /* 0x24 */ u16 unk24;
     /* 0x26 */ u16 unk26;
     /* 0x28 */ MenuInputStructSub unk28;
diff --git a/include/structs/str_81188F0.h b/include/structs/str_81188F0.h
new file mode 100644
index 000000000..253eb1061
--- /dev/null
+++ b/include/structs/str_81188F0.h
@@ -0,0 +1,17 @@
+#ifndef GUARD_STR_81188F0_H
+#define GUARD_STR_81188F0_H
+
+// size: 0x1C
+struct unkStruct_81188F0
+{
+    /* 0x0 */ const u8 *text1;
+    /* 0x4 */ const u8 *text2;
+    /* 0x8 */ const u8 *text3;
+    /* 0xC */ const u8 *text4[2];
+    /* 0x14 */ u32 unk2;
+    /* 0x18 */ u32 unk3;
+};
+
+extern const struct unkStruct_81188F0 gUnknown_81188F0[];
+
+#endif // GUARD_STR_81188F0_H
diff --git a/ld_script.ld b/ld_script.ld
index 48827a034..f6ef8e25f 100755
--- a/ld_script.ld
+++ b/ld_script.ld
@@ -120,7 +120,7 @@ SECTIONS {
         src/iq_skill_info_menu.o(.text);
         src/code_801C8C4.o(.text);
         src/code_801D014.o(.text);
-        src/code_801D9E4.o(.text);
+        src/debug_field_map_window.o(.text);
         src/options_menu1.o(.text);
         src/options_menu2.o(.text);
         src/hints_menu1.o(.text);
@@ -479,7 +479,7 @@ SECTIONS {
         src/iq_skill_info_menu.o(.rodata);
         src/code_801C8C4.o(.rodata);
         src/code_801D014.o(.rodata);
-        src/code_801D9E4.o(.rodata);
+        src/debug_field_map_window.o(.rodata);
         src/options_menu1.o(.rodata);
         src/options_menu2.o(.rodata);
         src/hints_menu1.o(.rodata);
diff --git a/src/adventure_log.c b/src/adventure_log.c
index 50abf7e12..c39a1de71 100644
--- a/src/adventure_log.c
+++ b/src/adventure_log.c
@@ -30,7 +30,7 @@ bool8 CreateAdventureLogScreen(u32 kind)
 
     ResetUnusedInputStruct();
     ShowWindows(&sAdventureLog->s0.windows, TRUE, TRUE);
-    sub_8013818(&sAdventureLog->s0.input, 0x20, 8, kind);
+    CreateMenuOnWindow(&sAdventureLog->s0.input, 0x20, 8, kind);
     sub_8032084();
     DisplayAdventureLog();
     return TRUE;
@@ -100,7 +100,7 @@ static void DisplayAdventureLog(void)
     sub_8012BC4(r6, 0, sAdventureLog->s0.input.unk1E + 1, 1, 7, sAdventureLog->s0.winId);
 
     for (i = 0; i < sAdventureLog->s0.input.unk1A; i++) {
-        aa = (sAdventureLog->s0.input.unk1E * sAdventureLog->s0.input.unk1C) + i;
+        aa = (sAdventureLog->s0.input.unk1E * sAdventureLog->s0.input.entriesPerPage) + i;
 
         if (GetAdventureAchievement(aa)) {
             switch (aa) {
diff --git a/src/code_801C8C4.c b/src/code_801C8C4.c
index 8954129b1..918a4b539 100644
--- a/src/code_801C8C4.c
+++ b/src/code_801C8C4.c
@@ -41,7 +41,7 @@ bool8 sub_801C8C4(s32 a0, s32 a1, DungeonPos *a2, u32 a3)
     sub_8012D08(sUnknown_203B244->unk4B4.s0.unk38, a3);
     ResetUnusedInputStruct();
     ShowWindows(&sUnknown_203B244->unk4B4.s0.windows, TRUE, TRUE);
-    sub_8013818(&sUnknown_203B244->unk4B4.s0.input, sub_801CE58(), a3, a1);
+    CreateMenuOnWindow(&sUnknown_203B244->unk4B4.s0.input, sub_801CE58(), a3, a1);
 
     if (sUnknown_203B248 == sUnknown_203B244->unk0) {
         sUnknown_203B244->unk4B4.s0.input.menuIndex = sUnknown_203B24C;
@@ -106,14 +106,14 @@ u32 sub_801CA08(bool8 a0)
 
 u8 sub_801CB24(void)
 {
-    return sUnknown_203B244->itemIDs[(sUnknown_203B244->unk4B4.s0.input.unk1E * sUnknown_203B244->unk4B4.s0.input.unk1C) + sUnknown_203B244->unk4B4.s0.input.menuIndex];
+    return sUnknown_203B244->itemIDs[(sUnknown_203B244->unk4B4.s0.input.unk1E * sUnknown_203B244->unk4B4.s0.input.entriesPerPage) + sUnknown_203B244->unk4B4.s0.input.menuIndex];
 }
 
 void sub_801CB5C(bool8 a0)
 {
     ResetUnusedInputStruct();
     ShowWindows(&sUnknown_203B244->unk4B4.s0.windows, FALSE, FALSE);
-    sUnknown_203B244->unk4B4.s0.input.unk22 = sub_801CE58();
+    sUnknown_203B244->unk4B4.s0.input.totalEntriesCount = sub_801CE58();
     sub_8013984(&sUnknown_203B244->unk4B4.s0.input);
     sub_801CC38();
     sub_801CCD8();
@@ -160,7 +160,7 @@ void sub_801CCD8(void)
     sub_8012BC4(sUnknown_203B244->unk4B4.header.width * 8 + 4, 0, sUnknown_203B244->unk4B4.s0.input.unk1E + 1, 2, 7, sUnknown_203B244->unk4B4.s0.winId);
 
     for(index = 0; index < sUnknown_203B244->unk4B4.s0.input.unk1A; index++) {
-        itemID = sUnknown_203B244->itemIDs[(sUnknown_203B244->unk4B4.s0.input.unk1E * sUnknown_203B244->unk4B4.s0.input.unk1C) + index];
+        itemID = sUnknown_203B244->itemIDs[(sUnknown_203B244->unk4B4.s0.input.unk1E * sUnknown_203B244->unk4B4.s0.input.entriesPerPage) + index];
         BufferItemName(buffer, itemID, NULL);
         y = GetMenuEntryYCoord(&sUnknown_203B244->unk4B4.s0.input, index);
         PrintStringOnWindow(8, y, buffer, sUnknown_203B244->unk4B4.s0.winId, 0);
diff --git a/src/code_801D9E4.c b/src/code_801D9E4.c
deleted file mode 100644
index b2a40b3dd..000000000
--- a/src/code_801D9E4.c
+++ /dev/null
@@ -1,137 +0,0 @@
-#include "global.h"
-#include "globaldata.h"
-#include "constants/input.h"
-#include "structs/struct_sub80095e4.h"
-#include "music_util.h"
-#include "code_801D9E4.h"
-#include "ground_main.h"
-#include "input.h"
-#include "memory.h"
-#include "menu_input.h"
-#include "text_1.h"
-#include "text_2.h"
-
-EWRAM_INIT static struct struct_Sub80095E4_2 *sUnknown_203B258 = {NULL};
-
-extern const struct unkStruct_81188F0 gUnknown_81188F0[10];
-
-#include "data/code_801D9E4.h"
-
-static void sub_801DB54(void);
-static void sub_801DBD4(void);
-
-bool8 sub_801D9E4(void)
-{
-    sUnknown_203B258 = MemoryAlloc(sizeof(*sUnknown_203B258), 8);
-    sUnknown_203B258->s0.winId = 3;
-    sUnknown_203B258->s0.unk38 = &sUnknown_203B258->s0.windows.id[3];
-    RestoreSavedWindows(&sUnknown_203B258->s0.windows);
-    sUnknown_203B258->s0.windows.id[sUnknown_203B258->s0.winId] = sUnknown_80DBF88;
-    sUnknown_203B258->s0.unk38->header = &sUnknown_203B258->header;
-    ResetUnusedInputStruct();
-    ShowWindows(&sUnknown_203B258->s0.windows, TRUE, TRUE);
-    sub_8013818(&sUnknown_203B258->s0.input, 229, 10, sUnknown_203B258->s0.winId);
-    sub_801DB54();
-    sub_801DBD4();
-    return TRUE;
-}
-
-void sub_801DA58(s16 a0)
-{
-    s32 cast;
-    cast = a0;
-    sub_8013878(&sUnknown_203B258->s0.input, cast);
-    sub_801DB54();
-    sub_801DBD4();
-}
-
-u32 sub_801DA78(void)
-{
-    switch (GetKeyPress(&sUnknown_203B258->s0.input)) {
-        case INPUT_B_BUTTON:
-            PlayMenuSoundEffect(1);
-            return 2;
-        case INPUT_A_BUTTON:
-            return 3;
-        default:
-            if (sub_80138B8(&sUnknown_203B258->s0.input, 1)) {
-                sub_801DB54();
-                sub_801DBD4();
-                return 1;
-            }
-            return 0;
-    }
-}
-
-s16 sub_801DAC0(void)
-{
-    return (sUnknown_203B258->s0.input.unk1E * sUnknown_203B258->s0.input.unk1C) + sUnknown_203B258->s0.input.menuIndex;
-}
-
-UNUSED static void sub_801DADC(bool8 a0)
-{
-    sUnknown_203B258->s0.input.unk22 = 229;
-    sub_8013984(&sUnknown_203B258->s0.input);
-    sub_801DB54();
-    sub_801DBD4();
-    if (a0)
-        AddMenuCursorSprite(&sUnknown_203B258->s0.input);
-}
-
-void sub_801DB0C(void)
-{
-    if (sUnknown_203B258 != NULL) {
-        sUnknown_203B258->s0.windows.id[sUnknown_203B258->s0.winId] = sUnknown_80DBF70;
-        ResetUnusedInputStruct();
-        ShowWindows(&sUnknown_203B258->s0.windows, TRUE, TRUE);
-        MemoryFree(sUnknown_203B258);
-        sUnknown_203B258 = NULL;
-    }
-}
-
-static void sub_801DB54(void)
-{
-    sUnknown_203B258->header.count = 1;
-    sUnknown_203B258->header.currId = 0;
-    sUnknown_203B258->header.width = 8;
-    sUnknown_203B258->header.f3 = 0;
-
-    ResetUnusedInputStruct();
-    ShowWindows(&sUnknown_203B258->s0.windows, TRUE, TRUE);
-
-    SUB_80095E4_CALL(sUnknown_203B258->s0);
-}
-
-static void sub_801DBD4(void)
-{
-    GroundConversionStruct *temp;
-    const struct unkStruct_81188F0 *temp2;
-    s32 x, y, n;
-    s16 index;
-    int counter;
-
-    CallPrepareTextbox_8008C54(sUnknown_203B258->s0.winId);
-    sub_80073B8(sUnknown_203B258->s0.winId);
-    PrintStringOnWindow(10, 0, sField, sUnknown_203B258->s0.winId, 0); // Field
-
-    x = (sUnknown_203B258->header.width * 8) - 2;
-    n = sUnknown_203B258->s0.input.unk1E + 1;
-    sub_8012BC4(x, 0, n, 2, 7, sUnknown_203B258->s0.winId);
-
-    // This line has no real effect. It's a magic 'fakematch' to fool agb into generating the same asm. It can be removed if you don't care about matching.
-    if (x) { counter = 0; }
-
-    for (counter = 0; counter < sUnknown_203B258->s0.input.unk1A; counter++) {
-        index = (sUnknown_203B258->s0.input.unk1E * sUnknown_203B258->s0.input.unk1C) + counter;
-        temp = &gGroundConversion_811BAF4[index];
-        temp2 = &gUnknown_81188F0[temp->unk4];
-
-        y = GetMenuEntryYCoord(&sUnknown_203B258->s0.input, counter);
-        PrintStringOnWindow(8, y, temp2->text1, sUnknown_203B258->s0.winId, 0);
-
-        y = GetMenuEntryYCoord(&sUnknown_203B258->s0.input, counter);
-        PrintStringOnWindow(62, y, temp->text, sUnknown_203B258->s0.winId, 0);
-    }
-
-    sub_80073E0(sUnknown_203B258->s0.winId);
-}
diff --git a/src/code_801EE10.c b/src/code_801EE10.c
index 579a96fb9..d82659c96 100644
--- a/src/code_801EE10.c
+++ b/src/code_801EE10.c
@@ -95,7 +95,7 @@ u8 sub_801EE10(u32 param_1, s16 species, Move *moves, u32 param_4, const u8 *tex
     sub_8012D08(&gUnknown_203B270->windows.id[gUnknown_203B270->unk50],iVar8);
     ResetUnusedInputStruct();
     ShowWindows(&gUnknown_203B270->windows, TRUE, TRUE);
-    sub_8013818(&gUnknown_203B270->input,iVar5,iVar5,param_6);
+    CreateMenuOnWindow(&gUnknown_203B270->input,iVar5,iVar5,param_6);
     sub_8013780(&gUnknown_203B270->input,0);
     sub_801F280(TRUE);
     return 1;
@@ -252,7 +252,7 @@ void sub_801F1B0(bool8 param_1, bool8 param_2)
         gUnknown_203B270->unk4 = param_2;
     ResetUnusedInputStruct();
     ShowWindows(&gUnknown_203B270->windows, TRUE, TRUE);
-    gUnknown_203B270->input.unk22 = sub_801F3F8();
+    gUnknown_203B270->input.totalEntriesCount = sub_801F3F8();
     sub_8013984(&gUnknown_203B270->input);
     gUnknown_203B270->input.menuIndex = sub_8092F4C(gUnknown_203B270->moves, gUnknown_203B270->input.menuIndex);
     sub_801F280(TRUE);
diff --git a/src/code_801F428.c b/src/code_801F428.c
index 8878c1858..77b642714 100644
--- a/src/code_801F428.c
+++ b/src/code_801F428.c
@@ -64,7 +64,7 @@ bool8 sub_801F428(s16 index, s32 param_2)
     gUnknown_203B274->s348.header.f3 = 0;
     ResetUnusedInputStruct();
     ShowWindows(&gUnknown_203B274->s348.s0.windows, TRUE, TRUE);
-    sub_8013818(&gUnknown_203B274->s348.s0.input, sub_801F7E4(), 4, param_2);
+    CreateMenuOnWindow(&gUnknown_203B274->s348.s0.input, sub_801F7E4(), 4, param_2);
     sub_801F690();
     sub_801F700();
     return TRUE;
@@ -104,7 +104,7 @@ u32 sub_801F520(u8 param_1)
 
 u16 sub_801F5B4(void)
 {
-    return gUnknown_203B274->unk4->unk0[gUnknown_203B274->s348.s0.input.unk1E * gUnknown_203B274->s348.s0.input.unk1C + gUnknown_203B274->s348.s0.input.menuIndex];
+    return gUnknown_203B274->unk4->unk0[gUnknown_203B274->s348.s0.input.unk1E * gUnknown_203B274->s348.s0.input.entriesPerPage + gUnknown_203B274->s348.s0.input.menuIndex];
 }
 
 void sub_801F5F0(bool8 r0)
@@ -148,7 +148,7 @@ void sub_801F700(void)
     PrintStringOnWindow(0x10,0,buffer1,gUnknown_203B274->s348.s0.winId,0);
     for(index = 0; index < gUnknown_203B274->s348.s0.input.unk1A; index++)
     {
-        sub_8092C84(buffer2,gUnknown_203B274->unk4->unk0[gUnknown_203B274->s348.s0.input.unk1E * gUnknown_203B274->s348.s0.input.unk1C + index]);
+        sub_8092C84(buffer2,gUnknown_203B274->unk4->unk0[gUnknown_203B274->s348.s0.input.unk1E * gUnknown_203B274->s348.s0.input.entriesPerPage + index]);
         y = GetMenuEntryYCoord(&gUnknown_203B274->s348.s0.input, index);
         PrintStringOnWindow(8,y,buffer2,gUnknown_203B274->s348.s0.winId,0);
     }
diff --git a/src/code_801F808.c b/src/code_801F808.c
index 43bb8fa92..20ad3840c 100644
--- a/src/code_801F808.c
+++ b/src/code_801F808.c
@@ -66,7 +66,7 @@ bool8 sub_801F808(u16 *moveIDs)
     {
         if(gUnknown_203B278->moveIDs[index - 1] != 0) break;
     }
-    sub_8013818(&gUnknown_203B278->unk28,index,1,gUnknown_203B278->unk5C);
+    CreateMenuOnWindow(&gUnknown_203B278->unk28,index,1,gUnknown_203B278->unk5C);
     sub_801317C(&gUnknown_203B278->unkC8);
     sub_801F918(0);
     return 1;
diff --git a/src/code_8023144.c b/src/code_8023144.c
index d7fbe641c..447b2dac4 100644
--- a/src/code_8023144.c
+++ b/src/code_8023144.c
@@ -60,7 +60,7 @@ bool8 sub_8023144(s32 a0, s32 index, DungeonPos *sub, u32 a3)
     sub_8012D08(gUnknown_3001B5C->s35C.s0.unk38, a3);
     ResetUnusedInputStruct();
     ShowWindows(&gUnknown_3001B5C->s35C.s0.windows, TRUE, TRUE);
-    sub_8013818(&gUnknown_3001B5C->s35C.s0.input, sub_80236A4(), a3, index);
+    CreateMenuOnWindow(&gUnknown_3001B5C->s35C.s0.input, sub_80236A4(), a3, index);
     gUnknown_3001B5C->s35C.s0.input.menuIndex = gUnknown_203B29C;
     gUnknown_3001B5C->s35C.s0.input.unk1E = gUnknown_203B29E;
     sub_8013984(&gUnknown_3001B5C->s35C.s0.input);
@@ -107,7 +107,7 @@ u32 sub_8023278(bool8 a0)
 
 s16 sub_802331C(void)
 {
-    return gUnknown_3001B5C->unkC[(gUnknown_3001B5C->s35C.s0.input.unk1E * gUnknown_3001B5C->s35C.s0.input.unk1C) + gUnknown_3001B5C->s35C.s0.input.menuIndex];
+    return gUnknown_3001B5C->unkC[(gUnknown_3001B5C->s35C.s0.input.unk1E * gUnknown_3001B5C->s35C.s0.input.entriesPerPage) + gUnknown_3001B5C->s35C.s0.input.menuIndex];
 }
 
 void sub_8023354(bool8 cursorSprite)
@@ -167,7 +167,7 @@ static void sub_80234BC(void)
 
     for (i = 0; i < gUnknown_3001B5C->s35C.s0.input.unk1A; i++) {
         y = GetMenuEntryYCoord(&gUnknown_3001B5C->s35C.s0.input, i);
-        species = gUnknown_3001B5C->unkC[(gUnknown_3001B5C->s35C.s0.input.unk1E * gUnknown_3001B5C->s35C.s0.input.unk1C) + i];
+        species = gUnknown_3001B5C->unkC[(gUnknown_3001B5C->s35C.s0.input.unk1E * gUnknown_3001B5C->s35C.s0.input.entriesPerPage) + i];
         GetFriendAreaCapacity2(GetFriendArea(species), &auStack_2c, FALSE, FALSE);
         color = COLOR_WHITE_2;
         if (auStack_2c.hasFriendArea)
diff --git a/src/code_8024458.c b/src/code_8024458.c
index 4c414fdd4..18b982642 100644
--- a/src/code_8024458.c
+++ b/src/code_8024458.c
@@ -95,7 +95,7 @@ static void sub_8024604(void)
     sUnknown_203B2AC->unk34[1] = 3;
     sUnknown_203B2AC->unk34[2] = 5;
 
-    sub_8013818(&sUnknown_203B2AC->input, 3, 1, sUnknown_203B2AC->unkE0);
+    CreateMenuOnWindow(&sUnknown_203B2AC->input, 3, 1, sUnknown_203B2AC->unkE0);
     iVar3 = &sUnknown_203B2AC->unk4C;
     pokeStruct = &gRecruitedPokemonRef->pokemon[sUnknown_203B2AC->speciesNum];
     SetMonSummaryInfo(iVar3, pokeStruct, sub_80023E4(7));
diff --git a/src/code_8072F3C.c b/src/code_8072F3C.c
index 2bc55138c..834c19d34 100644
--- a/src/code_8072F3C.c
+++ b/src/code_8072F3C.c
@@ -92,7 +92,7 @@ u32 sub_802F73C(u32 r0, DungeonPos *r1, u32 r2, u8 r3)
     sub_8012D08(gUnknown_203B314->sBC.s0.unk38, r2);
     ResetUnusedInputStruct();
     ShowWindows(&gUnknown_203B314->sBC.s0.windows, TRUE, TRUE);
-    sub_8013818(&gUnknown_203B314->sBC.s0.input, sub_802FBF4(), r2, r0);
+    CreateMenuOnWindow(&gUnknown_203B314->sBC.s0.input, sub_802FBF4(), r2, r0);
     sub_802F9C0();
     sub_802FA50();
     return 1;
@@ -105,7 +105,7 @@ u32 sub_802F848(s16 param_1)
 
     param_1_32 = param_1; // cast needed
 
-    for( index = 0; index < gUnknown_203B314->sBC.s0.input.unk22; index++ ) {
+    for( index = 0; index < gUnknown_203B314->sBC.s0.input.totalEntriesCount; index++ ) {
         if (gUnknown_203B314->unk0[index] == param_1_32) {
             sub_8013878(&gUnknown_203B314->sBC.s0.input,index);
             sub_802F9C0();
@@ -151,12 +151,12 @@ u32 sub_802F8A0(u8 r0)
 
 s16 sub_802F90C(void)
 {
-    return gUnknown_203B314->unk0[(gUnknown_203B314->sBC.s0.input.unk1E * gUnknown_203B314->sBC.s0.input.unk1C) + gUnknown_203B314->sBC.s0.input.menuIndex];
+    return gUnknown_203B314->unk0[(gUnknown_203B314->sBC.s0.input.unk1E * gUnknown_203B314->sBC.s0.input.entriesPerPage) + gUnknown_203B314->sBC.s0.input.menuIndex];
 }
 
 void sub_802F938(u8 r0)
 {
-    gUnknown_203B314->sBC.s0.input.unk22 = sub_802FBF4();
+    gUnknown_203B314->sBC.s0.input.totalEntriesCount = sub_802FBF4();
     sub_8013984(&gUnknown_203B314->sBC.s0.input);
     sub_802F9C0();
     sub_802FA50();
@@ -204,7 +204,7 @@ void sub_802FA50(void)
     for(counter = 0; counter < gUnknown_203B314->sBC.s0.input.unk1A; counter++)
     {
         y = GetMenuEntryYCoord(&gUnknown_203B314->sBC.s0.input,counter);
-        index = gUnknown_203B314->sBC.s0.input.unk1E * gUnknown_203B314->sBC.s0.input.unk1C + counter;
+        index = gUnknown_203B314->sBC.s0.input.unk1E * gUnknown_203B314->sBC.s0.input.entriesPerPage + counter;
         sVar1 = gUnknown_203B314->unk0[index];
         if (gUnknown_203B314->unk5C[index] != 0) {
             PrintStringOnWindow(10,y,gUnknown_80E0750,gUnknown_203B314->sBC.s0.winId,0);
@@ -219,7 +219,7 @@ void sub_802FA50(void)
     for(counter = 0; counter < gUnknown_203B314->sBC.s0.input.unk1A; counter++)
     {
         y2 = GetMenuEntryYCoord(&gUnknown_203B314->sBC.s0.input,counter);
-        text = sub_80974A0(gUnknown_203B314->unk0[gUnknown_203B314->sBC.s0.input.unk1E * gUnknown_203B314->sBC.s0.input.unk1C + counter]);
+        text = sub_80974A0(gUnknown_203B314->unk0[gUnknown_203B314->sBC.s0.input.unk1E * gUnknown_203B314->sBC.s0.input.entriesPerPage + counter]);
         PrintStringOnWindow(8,y2,text,gUnknown_203B314->sBC.s0.winId,0);
     }
   }
diff --git a/src/data/code_801D9E4.h b/src/data/code_801D9E4.h
deleted file mode 100644
index 05aa19e53..000000000
--- a/src/data/code_801D9E4.h
+++ /dev/null
@@ -1,19 +0,0 @@
-static const WindowTemplate sUnknown_80DBF70 = {
-    0,
-    3,
-    0, 0,
-    0, 0,
-    0, 0,
-    NULL
-};
-
-static const WindowTemplate sUnknown_80DBF88 = {
-    0,
-    6,
-    2, 2,
-    24, 17,
-    17, 0,
-    NULL
-};
-
-ALIGNED(4) static const u8 sField[] = _("Field");
diff --git a/src/debug_field_map.c b/src/debug_field_map.c
index 85b042a16..12ab82a44 100644
--- a/src/debug_field_map.c
+++ b/src/debug_field_map.c
@@ -1,8 +1,8 @@
 #include "global.h"
 #include "globaldata.h"
+#include "debug_field_map_window.h"
 #include "music_util.h"
 #include "code_800558C.h"
-#include "code_801D9E4.h"
 #include "code_8099360.h"
 #include "code_800C9CC.h"
 #include "graphics_memory.h"
@@ -31,17 +31,17 @@ extern s32 sub_809CFE8(u16 param_1);
 extern PixelPos SetVecFromDirectionSpeed(s8 r1, u32 r2);
 extern void sub_809D158(s32, PixelPos*);
 
-UNUSED static void sub_80993F0(void)
+UNUSED static void DebugMapViewer(void)
 {
     PixelPos currPos;
-    s32 r10 = 0;
+    s32 mapId = 0;
 
     ResetSoundEffectCounters();
     FadeOutAllMusic(16);
     gUnknown_2026E4E = 0x808;
     UpdateFadeInTile(0);
     sub_80095CC(0, 0x14);
-    ShowWindows(NULL, TRUE, TRUE); // TODO: Create a Hide/Reset Windows macro/static inline
+    ShowWindows(NULL, TRUE, TRUE);
     sub_8009408(0, 20);
     sub_8099648();
     sub_809975C();
@@ -52,38 +52,39 @@ UNUSED static void sub_80993F0(void)
     while (1) {
         bool8 quitMapView;
         PixelPos pixPos1, pixPos2;
-        PixelPos pixPos3;
+        PixelPos boundary;
 
-        if (sub_801D9E4()) {
-            sub_801DA58(r10);
+        if (DebugFieldMapWindow_Init()) {
+            sub_801DA58(mapId);
             while (1) {
                 sub_8005838(NULL, 0);
                 sub_8012A18(0);
-                switch (sub_801DA78()) {
-                    case 3:
-                        r10 = sub_801DAC0();
+                switch (DebugFieldMapWindow_GetInput()) {
+                    case DEBUG_INPUT_A_PRESS:
+                        mapId = DebugFieldMapWindow_GetCurrentIndex();
                         break;
-                    case 2:
-                        r10 = -1;
+                    case DEBUG_INPUT_B_PRESS:
+                        mapId = -1;
                         break;
                     default:
                         continue;
+
                 }
                 break;
             }
         }
         else {
-            r10 = -1;
+            mapId = -1;
         }
 
-        sub_801DB0C();
-        if (r10 == -1)
+        DebugFieldMapWindow_Free();
+        if (mapId == -1)
             break;
 
         ShowWindows(NULL, TRUE, TRUE);
         GroundMap_Reset();
         sub_809D0BC();
-        GroundMap_Select(r10);
+        GroundMap_Select(mapId);
         sub_80A579C(&pixPos1, &pixPos2);
         pixPos1.y += 0xC00;
         pixPos2.y += 0xC00;
@@ -91,8 +92,8 @@ UNUSED static void sub_80993F0(void)
         pixPos1.y -= 0x400;
         pixPos2.x += 0x400;
         pixPos2.y += 0x400;
-        pixPos3.x = pixPos2.x - pixPos1.x;
-        pixPos3.y = pixPos2.y - pixPos1.y;
+        boundary.x = pixPos2.x - pixPos1.x;
+        boundary.y = pixPos2.y - pixPos1.y;
         currPos.x = 0;
         currPos.y = 0;
         sub_80999E8(4);
@@ -121,15 +122,15 @@ UNUSED static void sub_80993F0(void)
                         if (currPos.x < 0) {
                             currPos.x = 0;
                         }
-                        else if (currPos.x >= pixPos3.x) {
-                            currPos.x = pixPos3.x - 1;
+                        else if (currPos.x >= boundary.x) {
+                            currPos.x = boundary.x - 1;
                         }
 
                         if (currPos.y < 0) {
                             currPos.y = 0;
                         }
-                        else if (currPos.y >= pixPos3.y) {
-                            currPos.y = pixPos3.y - 1;
+                        else if (currPos.y >= boundary.y) {
+                            currPos.y = boundary.y - 1;
                         }
                     }
                     pixPos4.x = pixPos1.x + currPos.x;
diff --git a/src/debug_field_map_window.c b/src/debug_field_map_window.c
new file mode 100644
index 000000000..f9ee211e7
--- /dev/null
+++ b/src/debug_field_map_window.c
@@ -0,0 +1,146 @@
+#include "global.h"
+#include "globaldata.h"
+#include "debug_field_map_window.h"
+#include "constants/input.h"
+#include "structs/struct_sub80095e4.h"
+#include "music_util.h"
+#include "ground_main.h"
+#include "input.h"
+#include "memory.h"
+#include "menu_input.h"
+#include "text_1.h"
+#include "text_2.h"
+#include "structs/str_81188F0.h"
+
+EWRAM_INIT static struct struct_Sub80095E4_2 *sDebugWindow = {NULL};
+
+static const WindowTemplate sDummyWinTemplate = WIN_TEMPLATE_DUMMY;
+
+static const WindowTemplate sUnknown_80DBF88 = {
+    0,
+    6,
+    2, 2,
+    24, 17,
+    17, 0,
+    NULL
+};
+
+static void sub_801DB54(void);
+static void sub_801DBD4(void);
+
+#define WINDOW_ID_DEBUG 3
+
+bool8 DebugFieldMapWindow_Init(void)
+{
+    sDebugWindow = MemoryAlloc(sizeof(*sDebugWindow), 8);
+    sDebugWindow->s0.winId = WINDOW_ID_DEBUG;
+    sDebugWindow->s0.unk38 = &sDebugWindow->s0.windows.id[WINDOW_ID_DEBUG];
+    RestoreSavedWindows(&sDebugWindow->s0.windows);
+    sDebugWindow->s0.windows.id[sDebugWindow->s0.winId] = sUnknown_80DBF88;
+    sDebugWindow->s0.unk38->header = &sDebugWindow->header;
+    ResetUnusedInputStruct();
+    ShowWindows(&sDebugWindow->s0.windows, TRUE, TRUE);
+    CreateMenuOnWindow(&sDebugWindow->s0.input, 229, 10, sDebugWindow->s0.winId);
+    sub_801DB54();
+    sub_801DBD4();
+    return TRUE;
+}
+
+void sub_801DA58(s16 a0)
+{
+    s32 cast;
+    cast = a0;
+    sub_8013878(&sDebugWindow->s0.input, cast);
+    sub_801DB54();
+    sub_801DBD4();
+}
+
+u32 DebugFieldMapWindow_GetInput(void)
+{
+    switch (GetKeyPress(&sDebugWindow->s0.input)) {
+        case INPUT_B_BUTTON:
+            PlayMenuSoundEffect(1);
+            return DEBUG_INPUT_B_PRESS;
+        case INPUT_A_BUTTON:
+            return DEBUG_INPUT_A_PRESS;
+        default:
+            if (sub_80138B8(&sDebugWindow->s0.input, 1)) {
+                sub_801DB54();
+                sub_801DBD4();
+                return 1;
+            }
+            return 0;
+    }
+}
+
+s16 DebugFieldMapWindow_GetCurrentIndex(void)
+{
+    return (sDebugWindow->s0.input.unk1E * sDebugWindow->s0.input.entriesPerPage) + sDebugWindow->s0.input.menuIndex;
+}
+
+UNUSED static void sub_801DADC(bool8 a0)
+{
+    sDebugWindow->s0.input.totalEntriesCount = 229;
+    sub_8013984(&sDebugWindow->s0.input);
+    sub_801DB54();
+    sub_801DBD4();
+    if (a0)
+        AddMenuCursorSprite(&sDebugWindow->s0.input);
+}
+
+void DebugFieldMapWindow_Free(void)
+{
+    if (sDebugWindow != NULL) {
+        sDebugWindow->s0.windows.id[sDebugWindow->s0.winId] = sDummyWinTemplate;
+        ResetUnusedInputStruct();
+        ShowWindows(&sDebugWindow->s0.windows, TRUE, TRUE);
+        FREE_AND_SET_NULL(sDebugWindow);
+    }
+}
+
+static void sub_801DB54(void)
+{
+    sDebugWindow->header.count = 1;
+    sDebugWindow->header.currId = 0;
+    sDebugWindow->header.width = 8;
+    sDebugWindow->header.f3 = 0;
+
+    ResetUnusedInputStruct();
+    ShowWindows(&sDebugWindow->s0.windows, TRUE, TRUE);
+
+    SUB_80095E4_CALL(sDebugWindow->s0);
+}
+
+static void sub_801DBD4(void)
+{
+    GroundConversionStruct *temp;
+    const struct unkStruct_81188F0 *temp2;
+    s32 x, y, n;
+    s16 index;
+    int counter;
+
+    CallPrepareTextbox_8008C54(sDebugWindow->s0.winId);
+    sub_80073B8(sDebugWindow->s0.winId);
+    PrintStringOnWindow(10, 0, _("Field"), sDebugWindow->s0.winId, 0);
+
+    x = (sDebugWindow->header.width * 8) - 2;
+    n = sDebugWindow->s0.input.unk1E + 1;
+    sub_8012BC4(x, 0, n, 2, 7, sDebugWindow->s0.winId);
+
+    // This line has no real effect. It's a magic 'fakematch' to fool agb into generating the same asm. It can be removed if you don't care about matching.
+    if (x) { counter = 0; }
+
+    for (counter = 0; counter < sDebugWindow->s0.input.unk1A; counter++) {
+        index = (sDebugWindow->s0.input.unk1E * sDebugWindow->s0.input.entriesPerPage) + counter;
+        temp = &gGroundConversion_811BAF4[index];
+        temp2 = &gUnknown_81188F0[temp->unk4];
+
+        y = GetMenuEntryYCoord(&sDebugWindow->s0.input, counter);
+        PrintStringOnWindow(8, y, temp2->text1, sDebugWindow->s0.winId, 0);
+
+        y = GetMenuEntryYCoord(&sDebugWindow->s0.input, counter);
+        PrintStringOnWindow(62, y, temp->text, sDebugWindow->s0.winId, 0);
+    }
+
+    sub_80073E0(sDebugWindow->s0.winId);
+}
diff --git a/src/dungeon_8067A80.c b/src/dungeon_8067A80.c
index 91db0e047..0247d097a 100644
--- a/src/dungeon_8067A80.c
+++ b/src/dungeon_8067A80.c
@@ -123,7 +123,7 @@ void sub_8067A80(u8 a0, s32 a1, s32 a2, PokemonStruct1 **a3)
             sub_8067F00(a0, a3, gUnknown_202F30C, a2, a1);
             gDungeonMenu.unk1A = min(a2, 8);
             gDungeonMenu.menuIndex = r10;
-            gDungeonMenu.unk1C = 8;
+            gDungeonMenu.entriesPerPage = 8;
             gDungeonMenu.unk1E = 0;
             gDungeonMenu.unk20 = 0;
             gDungeonMenu.unk4 = 0;
@@ -131,7 +131,7 @@ void sub_8067A80(u8 a0, s32 a1, s32 a2, PokemonStruct1 **a3)
             gDungeonMenu.unkC = 0;
             gDungeonMenu.unkE = 0;
             gDungeonMenu.unk14.x = 0;
-            gDungeonMenu.unk0 = 0;
+            gDungeonMenu.windowId = 0;
             sub_801317C(&gDungeonMenu.unk28);
             sub_80137B0(&gDungeonMenu, 0);
             while (1) {
@@ -423,11 +423,11 @@ void sub_806806C(PokemonStruct1 *a0)
         gDungeonMenu.unk20 = 4;
         gDungeonMenu.unk1A = 0;
         gDungeonMenu.menuIndex = 0;
-        gDungeonMenu.unk1C = 0;
+        gDungeonMenu.entriesPerPage = 0;
         gDungeonMenu.unk4 = 0;
         gDungeonMenu.firstEntryY = 16;
         gDungeonMenu.unk14.x = 0;
-        gDungeonMenu.unk0 = 0;
+        gDungeonMenu.windowId = 0;
 
         sub_801317C(&gDungeonMenu.unk28);
         DungeonShowWindows(&spTxtStruct, 1);
diff --git a/src/dungeon_main.c b/src/dungeon_main.c
index 4da5c41ff..9c7ae6e93 100644
--- a/src/dungeon_main.c
+++ b/src/dungeon_main.c
@@ -1534,13 +1534,13 @@ static void PrintOnMainMenu(bool8 printAll)
 
     gDungeonMenu.menuIndex = 0;
     gDungeonMenu.unk1A = 5;
-    gDungeonMenu.unk1C = 5;
+    gDungeonMenu.entriesPerPage = 5;
     gDungeonMenu.unk1E = 0;
     gDungeonMenu.unk4 = 0;
     gDungeonMenu.firstEntryY = 2;
     gDungeonMenu.unkC = 0;
     gDungeonMenu.unkE = 0;
-    gDungeonMenu.unk0 = 0;
+    gDungeonMenu.windowId = 0;
     gDungeonMenu.unk14.x = 0;
     sub_801317C(&gDungeonMenu.unk28);
     sub_80137B0(&gDungeonMenu, 0x38);
diff --git a/src/dungeon_menu_items.c b/src/dungeon_menu_items.c
index 020762598..2c237916c 100644
--- a/src/dungeon_menu_items.c
+++ b/src/dungeon_menu_items.c
@@ -395,7 +395,7 @@ static void PrintOnDungeonItemsMenu(s32 a0, Entity *a1, bool8 showWhichWindow, b
     gDungeonMenu.unk1E = a0;
     gDungeonMenu.unk20 = sUnknown_202F258;
     gDungeonMenu.unk4 = 0;
-    gDungeonMenu.unk0 = 0;
+    gDungeonMenu.windowId = 0;
     gDungeonMenu.unk14.x = 0;
     sub_801317C(&gDungeonMenu.unk28);
     gDungeon->unk181e8.unk18212 = 0;
@@ -406,7 +406,7 @@ static void PrintOnDungeonItemsMenu(s32 a0, Entity *a1, bool8 showWhichWindow, b
             windows->id[0].height = 0x10;
             header->width = 0xC;
             gDungeonMenu.firstEntryY = 0x10;
-            gDungeonMenu.unk1C = 0xA;
+            gDungeonMenu.entriesPerPage = 0xA;
             gDungeon->unk181e8.unk18212 = 1;
             break;
         case 2:
@@ -414,7 +414,7 @@ static void PrintOnDungeonItemsMenu(s32 a0, Entity *a1, bool8 showWhichWindow, b
             windows->id[0].height = 4;
             header->width = 6;
             gDungeonMenu.firstEntryY = 0x12;
-            gDungeonMenu.unk1C = 1;
+            gDungeonMenu.entriesPerPage = 1;
             break;
         case 3:
         default:
@@ -422,7 +422,7 @@ static void PrintOnDungeonItemsMenu(s32 a0, Entity *a1, bool8 showWhichWindow, b
             windows->id[0].height = 4;
             header->width = 0xC;
             gDungeonMenu.firstEntryY = 0x12;
-            gDungeonMenu.unk1C = 1;
+            gDungeonMenu.entriesPerPage = 1;
             break;
     }
 
diff --git a/src/dungeon_menu_moves.c b/src/dungeon_menu_moves.c
index 9149cd0c0..612a2e2ab 100644
--- a/src/dungeon_menu_moves.c
+++ b/src/dungeon_menu_moves.c
@@ -440,13 +440,13 @@ static void ShowMovesMenuWindows(Entity *entity, EntityInfo *entInfo, bool8 redC
 
     gDungeonMenu.menuIndex = sChosenMoveSlotId;
     gDungeonMenu.unk1A = movesCount;
-    gDungeonMenu.unk1C = 4;
+    gDungeonMenu.entriesPerPage = 4;
     gDungeonMenu.unk1E = arg6;
     gDungeonMenu.unk20 = arg7;
     gDungeonMenu.unk4 = 0;
     gDungeonMenu.firstEntryY = 16;
     gDungeonMenu.unk14.x = 0;
-    gDungeonMenu.unk0 = 0;
+    gDungeonMenu.windowId = 0;
     sub_801317C(&gDungeonMenu.unk28);
 
     windows->id[0].height = windows->id[0].unk10 = sub_80095E4(4, 0xC) + 2;
@@ -633,11 +633,11 @@ static void ShowMovesInfoWindow(Move *moves, s32 firstMoveId, s32 movesCount)
         gDungeonMenu.unk14.x = 0;
         gDungeonMenu.unk4 = 0;
         gDungeonMenu.firstEntryY = 16;
-        gDungeonMenu.unk0 = 0;
+        gDungeonMenu.windowId = 0;
         sub_801317C(&gDungeonMenu.unk28);
         gDungeonMenu.menuIndex = 0;
         gDungeonMenu.unk1A = 0;
-        gDungeonMenu.unk1C = 0;
+        gDungeonMenu.entriesPerPage = 0;
         DungeonShowWindows(&windows, TRUE);
         statusesCount = unk_PrintMoveDescription(currId, &moves[firstMoveId + currId], 0, statuses);
         while (1) {
@@ -722,10 +722,10 @@ void ShowStatusDescriptionMenu(const StatusText *status, MenuInputStructSub *men
     gDungeonMenu.unk14.x = 0;
     gDungeonMenu.unk4 = 0;
     gDungeonMenu.firstEntryY = 16;
-    gDungeonMenu.unk0 = 0;
+    gDungeonMenu.windowId = 0;
     gDungeonMenu.menuIndex = 0;
     gDungeonMenu.unk1A = 0;
-    gDungeonMenu.unk1C = 0;
+    gDungeonMenu.entriesPerPage = 0;
     sub_801317C(menuSub);
 }
 
@@ -1115,7 +1115,7 @@ static void sub_8064228(Entity *entity, Move *moves, WindowTemplates *windows, W
 
     gDungeonMenu.menuIndex = sChosenMoveSlotId;
     gDungeonMenu.unk1A = count;
-    gDungeonMenu.unk1C = count;
+    gDungeonMenu.entriesPerPage = count;
     gDungeonMenu.unk1E = 0;
     gDungeonMenu.unk20 = 0;
     gDungeonMenu.unk4 = 0;
@@ -1123,7 +1123,7 @@ static void sub_8064228(Entity *entity, Move *moves, WindowTemplates *windows, W
     gDungeonMenu.unkC = 0;
     gDungeonMenu.unkE = 0;
     gDungeonMenu.unk14.x = 0;
-    gDungeonMenu.unk0 = 0;
+    gDungeonMenu.windowId = 0;
     sub_801317C(&gDungeonMenu.unk28);
     windows->id[0].height = windows->id[0].unk10 = sub_80095E4(count, 12) + 2;
     header->width = 14;
diff --git a/src/dungeon_menu_others.c b/src/dungeon_menu_others.c
index 75bb67ffa..bb49e03e1 100644
--- a/src/dungeon_menu_others.c
+++ b/src/dungeon_menu_others.c
@@ -477,7 +477,7 @@ static void PrintOthersMenuOptions(void)
     gDungeonMenu.menuIndex = sOthersCursorId;
     optionsCount = (gDungeon->unk644.canRecruit) ? OTHERS_COUNT : OTHERS_COUNT - 1;
     gDungeonMenu.unk1A = optionsCount;
-    gDungeonMenu.unk1C = optionsCount;
+    gDungeonMenu.entriesPerPage = optionsCount;
     gDungeonMenu.unk1E = 0;
     gDungeonMenu.unk20 = 0;
     gDungeonMenu.unk4 = 0;
@@ -485,7 +485,7 @@ static void PrintOthersMenuOptions(void)
     gDungeonMenu.unkC = 0;
     gDungeonMenu.unkE = 0;
     gDungeonMenu.unk14.x = 0;
-    gDungeonMenu.unk0 = 0;
+    gDungeonMenu.windowId = 0;
     sub_801317C(&gDungeonMenu.unk28);
     windows.id[0].width = 18;
     windows.id[0].height = windows.id[0].unk10 = sub_80095E4(optionsCount, 12) + 2;
@@ -540,7 +540,7 @@ static void PrintQuickSaveMenuOptions(void)
     gDungeonMenu.menuIndex = 0;
     optionsCount = 2;
     gDungeonMenu.unk1A = optionsCount;
-    gDungeonMenu.unk1C = optionsCount;
+    gDungeonMenu.entriesPerPage = optionsCount;
     gDungeonMenu.unk1E = 0;
     gDungeonMenu.unk20 = 0;
     gDungeonMenu.unk4 = 0;
@@ -548,7 +548,7 @@ static void PrintQuickSaveMenuOptions(void)
     gDungeonMenu.unkC = 0;
     gDungeonMenu.unkE = 0;
     gDungeonMenu.unk14.x = 0;
-    gDungeonMenu.unk0 = 0;
+    gDungeonMenu.windowId = 0;
     sub_801317C(&gDungeonMenu.unk28);
     windows.id[0].width = 18;
     windows.id[0].height = windows.id[0].unk10 = sub_80095E4(optionsCount, 12) + 2;
@@ -593,7 +593,7 @@ static void PrintGameOptions(void)
     gDungeonMenu.menuIndex = 0;
     optionsCount = 3;
     gDungeonMenu.unk1A = optionsCount;
-    gDungeonMenu.unk1C = optionsCount;
+    gDungeonMenu.entriesPerPage = optionsCount;
     gDungeonMenu.unk1E = 0;
     gDungeonMenu.unk20 = 0;
     gDungeonMenu.unk4 = 0;
@@ -601,7 +601,7 @@ static void PrintGameOptions(void)
     gDungeonMenu.unkC = 0;
     gDungeonMenu.unkE = 0;
     gDungeonMenu.unk14.x = 0;
-    gDungeonMenu.unk0 = 0;
+    gDungeonMenu.windowId = 0;
     sub_801317C(&gDungeonMenu.unk28);
     windows.id[0].width = 12;
     windows.id[0].height = windows.id[0].unk10 = sub_80095E4(optionsCount, 12) + 2;
@@ -648,7 +648,7 @@ static void PrintDungeonOptions(void)
     header.f3 = 0;
 
     gDungeonMenu.unk1A = DUNGEON_OPTIONS_COUNT;
-    gDungeonMenu.unk1C = DUNGEON_OPTIONS_COUNT;
+    gDungeonMenu.entriesPerPage = DUNGEON_OPTIONS_COUNT;
     gDungeonMenu.unk1E = 0;
     gDungeonMenu.unk20 = 0;
     gDungeonMenu.unk4 = 0;
@@ -656,7 +656,7 @@ static void PrintDungeonOptions(void)
     gDungeonMenu.unkC = 0;
     gDungeonMenu.unkE = 0;
     gDungeonMenu.unk14.x = 0;
-    gDungeonMenu.unk0 = 0;
+    gDungeonMenu.windowId = 0;
     sub_801317C(&gDungeonMenu.unk28);
     windows.id[0].width = 24;
     windows.id[0].height = windows.id[0].unk10 = sub_80095E4(DUNGEON_OPTIONS_COUNT, 12) + 2;
@@ -739,7 +739,7 @@ static void PrintOthersOptions(void)
     header.f3 = 0;
 
     gDungeonMenu.unk1A = OTHERS_OPTIONS_COUNT;
-    gDungeonMenu.unk1C = OTHERS_OPTIONS_COUNT;
+    gDungeonMenu.entriesPerPage = OTHERS_OPTIONS_COUNT;
     gDungeonMenu.unk1E = 0;
     gDungeonMenu.unk20 = 0;
     gDungeonMenu.unk4 = 0;
@@ -747,7 +747,7 @@ static void PrintOthersOptions(void)
     gDungeonMenu.unkC = 0;
     gDungeonMenu.unkE = 0;
     gDungeonMenu.unk14.x = 0;
-    gDungeonMenu.unk0 = 0;
+    gDungeonMenu.windowId = 0;
     sub_801317C(&gDungeonMenu.unk28);
     windows.id[0].width = 24;
     windows.id[0].height = windows.id[0].unk10 = sub_80095E4(OTHERS_OPTIONS_COUNT, 12) + 2;
@@ -911,7 +911,7 @@ static void PrintHintsMenu(void)
     header.f3 = 0;
     gDungeonMenu.menuIndex = 0;
     gDungeonMenu.unk1A = HINTS_COUNT_RED_VERSION;
-    gDungeonMenu.unk1C = HINTS_COUNT_RED_VERSION;
+    gDungeonMenu.entriesPerPage = HINTS_COUNT_RED_VERSION;
     gDungeonMenu.unk1E = 0;
     gDungeonMenu.unk20 = 0;
     gDungeonMenu.unk4 = 0;
@@ -919,7 +919,7 @@ static void PrintHintsMenu(void)
     gDungeonMenu.unkC = 0;
     gDungeonMenu.unkE = 0;
     gDungeonMenu.unk14.x = 0;
-    gDungeonMenu.unk0 = 0;
+    gDungeonMenu.windowId = 0;
     sub_801317C(&gDungeonMenu.unk28);
     windows.id[0].width = 12;
     windows.id[0].height = windows.id[0].unk10 = sub_80095E4(HINTS_COUNT_RED_VERSION, 12) + 2;
@@ -966,11 +966,11 @@ static void ShowChosenHintWindow(s32 hintId)
         gDungeonMenu.unk20 = HINTS_COUNT_RED_VERSION;
         gDungeonMenu.unk1A = 0;
         gDungeonMenu.menuIndex = 0;
-        gDungeonMenu.unk1C = 0;
+        gDungeonMenu.entriesPerPage = 0;
         gDungeonMenu.unk4 = 0;
         gDungeonMenu.firstEntryY = 16;
         gDungeonMenu.unk14.x = 0;
-        gDungeonMenu.unk0 = 0;
+        gDungeonMenu.windowId = 0;
         sub_801317C(&gDungeonMenu.unk28);
         windows.id[0].width = 24;
         windows.id[0].height = windows.id[0].unk10 = sub_80095E4(HINTS_COUNT, 12) + 2;
diff --git a/src/dungeon_menu_recruitment.c b/src/dungeon_menu_recruitment.c
index bc42b5ad8..86acf024a 100644
--- a/src/dungeon_menu_recruitment.c
+++ b/src/dungeon_menu_recruitment.c
@@ -102,13 +102,13 @@ void ShowRecruitmentSearchMenu(void)
             DungeonShowWindows(&sRecruitmentSearchWindows, TRUE);
             gDungeonMenu.unk1A = 0;
             gDungeonMenu.menuIndex = 0;
-            gDungeonMenu.unk1C = 0;
+            gDungeonMenu.entriesPerPage = 0;
             gDungeonMenu.unk1E = currTabId;
             gDungeonMenu.unk20 = 2;
             gDungeonMenu.unk4 = 0;
             gDungeonMenu.firstEntryY = 16;
             gDungeonMenu.unk14.x = 0;
-            gDungeonMenu.unk0 = 0;
+            gDungeonMenu.windowId = 0;
             sub_801317C(&gDungeonMenu.unk28);
             sScrollId = 0;
             sScrollFlags = 0;
diff --git a/src/dungeon_menu_team.c b/src/dungeon_menu_team.c
index 506356385..fe4c0775e 100644
--- a/src/dungeon_menu_team.c
+++ b/src/dungeon_menu_team.c
@@ -345,7 +345,7 @@ static void PrintOnDungeonTeamMenu(struct UnkFieldTeamMenuStruct *a0, WindowTemp
     sTeamWindowHeader.f3 = 0;
     gDungeonMenu.menuIndex = gTeamMenuChosenId;
     gDungeonMenu.unk1A = count;
-    gDungeonMenu.unk1C = count;
+    gDungeonMenu.entriesPerPage = count;
     gDungeonMenu.unk1E = 0;
     gDungeonMenu.unk20 = 0;
     gDungeonMenu.unk4 = 0;
@@ -353,7 +353,7 @@ static void PrintOnDungeonTeamMenu(struct UnkFieldTeamMenuStruct *a0, WindowTemp
     gDungeonMenu.unkC = 0;
     gDungeonMenu.unkE = 0;
     gDungeonMenu.unk14.x = 0;
-    gDungeonMenu.unk0 = 0;
+    gDungeonMenu.windowId = 0;
     sub_801317C(&gDungeonMenu.unk28);
     r0 = sub_80095E4(count, 0);
     if (r10) {
@@ -534,7 +534,7 @@ void ShowDungeonTacticsMenu(ActionContainer *a0)
                 break;
         }
         gDungeonMenu.unk1A = i;
-        gDungeonMenu.unk1C = 8;
+        gDungeonMenu.entriesPerPage = 8;
         gDungeonMenu.unk1E = 0;
         gDungeonMenu.unk20 = 0;
         gDungeonMenu.unk4 = 0;
@@ -542,7 +542,7 @@ void ShowDungeonTacticsMenu(ActionContainer *a0)
         gDungeonMenu.unkC = 0;
         gDungeonMenu.unkE = 0;
         gDungeonMenu.unk14.x = 0;
-        gDungeonMenu.unk0 = 0;
+        gDungeonMenu.windowId = 0;
         sub_801317C(&gDungeonMenu.unk28);
         sub_80137B0(&gDungeonMenu, 0);
         gDungeonMenu.menuIndex = menuIndex;
@@ -797,11 +797,11 @@ void ShowDungeonSummaryOrIQMenu(ActionContainer *a0, bool8 showIq)
         gDungeonMenu.unk14.x = 0;
         gDungeonMenu.unk4 = 0;
         gDungeonMenu.firstEntryY = 16;
-        gDungeonMenu.unk0 = 0;
+        gDungeonMenu.windowId = 0;
         sub_801317C(&gDungeonMenu.unk28);
         gDungeonMenu.menuIndex = 0;
         gDungeonMenu.unk1A = 0;
-        gDungeonMenu.unk1C = 0;
+        gDungeonMenu.entriesPerPage = 0;
 
         if (subWindowIds[currSubWindowId] == SUB_WINDOW_STATUS) {
             s32 i;
@@ -815,7 +815,7 @@ void ShowDungeonSummaryOrIQMenu(ActionContainer *a0, bool8 showIq)
             if (i != 0) {
                 hasStatusProblems = TRUE;
                 gDungeonMenu.unk1A = i;
-                gDungeonMenu.unk1C = 8;
+                gDungeonMenu.entriesPerPage = 8;
                 sub_80137B0(&gDungeonMenu, 0);
             }
             gDungeonMenu.menuIndex = r8;
@@ -832,7 +832,7 @@ void ShowDungeonSummaryOrIQMenu(ActionContainer *a0, bool8 showIq)
             if (i != 0) {
                 hasIqSkills = TRUE;
                 gDungeonMenu.unk1A = i;
-                gDungeonMenu.unk1C = 8;
+                gDungeonMenu.entriesPerPage = 8;
                 sub_80137B0(&gDungeonMenu, 0);
             }
             gDungeonMenu.menuIndex = r8;
diff --git a/src/dungeon_submenu.c b/src/dungeon_submenu.c
index 2bb84b53b..4387d8bbd 100644
--- a/src/dungeon_submenu.c
+++ b/src/dungeon_submenu.c
@@ -37,13 +37,13 @@ void CreateDungeonMenuSubWindow(WindowTemplate *mainWindow, s32 subWindowX)
     windows.id[0].unk0 = 0x80;
 
     gDungeonMenu.menuIndex = 0;
-    gDungeonMenu.unk1C = gDungeonSubMenuItemsCount;
+    gDungeonMenu.entriesPerPage = gDungeonSubMenuItemsCount;
     gDungeonMenu.unk1A = gDungeonSubMenuItemsCount;
     gDungeonMenu.unk1E = 0;
     gDungeonMenu.unk20 = 0;
     gDungeonMenu.unk4 = 0;
     gDungeonMenu.firstEntryY = 0;
-    gDungeonMenu.unk0 = 1;
+    gDungeonMenu.windowId = 1;
     gDungeonMenu.unkC = 0;
     gDungeonMenu.unkE = 0;
     gDungeonMenu.unk14 = gDungeonMenu.unk8;
@@ -52,7 +52,7 @@ void CreateDungeonMenuSubWindow(WindowTemplate *mainWindow, s32 subWindowX)
 
     windows.id[1].pos.x = subWindowX;
     windows.id[1].width = 28 - subWindowX;
-    windows.id[1].height = windows.id[1].unk10 = sub_80095E4(gDungeonMenu.unk1C, 0);
+    windows.id[1].height = windows.id[1].unk10 = sub_80095E4(gDungeonMenu.entriesPerPage, 0);
     DungeonShowWindows(&windows, FALSE);
     sub_80137B0(&gDungeonMenu, windows.id[1].height * 8);
     sub_80073B8(1);
diff --git a/src/friend_areas_map_util.c b/src/friend_areas_map_util.c
index e14303604..b841234c0 100644
--- a/src/friend_areas_map_util.c
+++ b/src/friend_areas_map_util.c
@@ -325,12 +325,12 @@ void FriendAreasMap_PrintAvailableSubAreas(void)
     header.f3 = 0;
     menuInput->menuIndex = 0;
     menuInput->unk1A = count;
-    menuInput->unk1C = count;
+    menuInput->entriesPerPage = count;
     menuInput->unk1E = 0;
     menuInput->unk20 = 0;
     menuInput->unk4 = 0;
     menuInput->firstEntryY = 16;
-    menuInput->unk0 = 0;
+    menuInput->windowId = 0;
     menuInput->unkC = 0;
     menuInput->unkE = 0;
     menuInput->unk14.x = 0;
@@ -338,7 +338,7 @@ void FriendAreasMap_PrintAvailableSubAreas(void)
     menuInput->unk8.x = 8;
     menuInput->unk8.y = 8;
     sub_801317C(&menuInput->unk28);
-    var = sub_80095E4(menuInput->unk1C, 0);
+    var = sub_80095E4(menuInput->entriesPerPage, 0);
     windows.id[0].unk10 = windows.id[0].height = var + 2;
     sub_80137B0(menuInput, var * 8);
 
diff --git a/src/friend_list.c b/src/friend_list.c
index c0d7ac6b7..9ed836a19 100644
--- a/src/friend_list.c
+++ b/src/friend_list.c
@@ -112,7 +112,7 @@ bool8 FriendList_Init(u32 r5, u32 windowId, DungeonPos *pos, u32 r10)
     sub_8012D08(sFriendList->unk358.s0.unk38, r10);
     ResetUnusedInputStruct();
     ShowWindows(&sFriendList->unk358.s0.windows, TRUE, TRUE);
-    sub_8013818(&sFriendList->unk358.s0.input, sub_8023F8C(), r10, windowId);
+    CreateMenuOnWindow(&sFriendList->unk358.s0.input, sub_8023F8C(), r10, windowId);
     if (gUnknown_203B2A0 == sFriendList->unk0) {
         sFriendList->unk358.s0.input.menuIndex = gUnknown_203B2A8;
         sFriendList->unk358.s0.input.unk1E = gUnknown_203B2AA;
@@ -159,14 +159,14 @@ u32 FriendList_HandleInput(bool8 a0)
 
 s32 FriendList_GetCurrId(void)
 {
-    return sFriendList->unk1A[(sFriendList->unk358.s0.input.unk1E * sFriendList->unk358.s0.input.unk1C) + sFriendList->unk358.s0.input.menuIndex];
+    return sFriendList->unk1A[(sFriendList->unk358.s0.input.unk1E * sFriendList->unk358.s0.input.entriesPerPage) + sFriendList->unk358.s0.input.menuIndex];
 }
 
 void sub_8023B7C(bool8 addCursor)
 {
     ResetUnusedInputStruct();
     ShowWindows(&sFriendList->unk358.s0.windows, FALSE, FALSE);
-    sFriendList->unk358.s0.input.unk22 = sub_8023BD8();
+    sFriendList->unk358.s0.input.totalEntriesCount = sub_8023BD8();
     sub_8013984(&sFriendList->unk358.s0.input);
     SetUpWindowHeader();
     FriendList_ShowWindow();
@@ -259,7 +259,7 @@ void FriendList_ShowWindow(void)
     }
 
     for (i = 0; i < sFriendList->unk358.s0.input.unk1A; i++) {
-        s32 id = sFriendList->unk1A[(sFriendList->unk358.s0.input.unk1E * sFriendList->unk358.s0.input.unk1C) + i];
+        s32 id = sFriendList->unk1A[(sFriendList->unk358.s0.input.unk1E * sFriendList->unk358.s0.input.entriesPerPage) + i];
         PokemonStruct1 *pokePtr = &gRecruitedPokemonRef->pokemon[id];
         u8 color = 7;
 
@@ -468,7 +468,7 @@ UNUSED static PokemonStruct1 *sub_80243E8(void)
 {
     u8 buffer[40];
     u8 nameBuffer[20];
-    PokemonStruct1 *pokeStruct = &gRecruitedPokemonRef->pokemon[sFriendList->unk1A[(sFriendList->unk358.s0.input.unk1E * sFriendList->unk358.s0.input.unk1C) + sFriendList->unk358.s0.input.menuIndex]];
+    PokemonStruct1 *pokeStruct = &gRecruitedPokemonRef->pokemon[sFriendList->unk1A[(sFriendList->unk358.s0.input.unk1E * sFriendList->unk358.s0.input.entriesPerPage) + sFriendList->unk358.s0.input.menuIndex]];
 
     StrncpyCustom(nameBuffer, pokeStruct->name, POKEMON_NAME_LENGTH);
     sprintfStatic(buffer, "%s", nameBuffer);
diff --git a/src/ground_bg.c b/src/ground_bg.c
index 14b8d8f35..9d8969e22 100644
--- a/src/ground_bg.c
+++ b/src/ground_bg.c
@@ -6,7 +6,7 @@
 #include "memory.h"
 #include "file_system.h"
 #include "code_8002774.h"
-#include "code_801D9E4.h"
+#include "structs/str_81188F0.h"
 #include "code_8004AA0.h"
 #include "graphics_memory.h"
 #include "debug.h"
@@ -16,7 +16,6 @@
 
 // This file most likely deals with map loading and writing to VRAM. It even has a custom decompression function.
 
-extern const struct unkStruct_81188F0 gUnknown_81188F0[10];
 extern const FileArchive gGroundFileArchive;
 
 void sub_80A456C(GroundBg *groundBg, s32 id, const PixelPos *srcPos);
diff --git a/src/hints_menu1.c b/src/hints_menu1.c
index de9bbcf90..3dbe9884c 100644
--- a/src/hints_menu1.c
+++ b/src/hints_menu1.c
@@ -30,7 +30,7 @@ bool8 sub_801E3F0(u32 a0)
     sub_8012D08(sUnknown_203B264->unk38, 10);
     ResetUnusedInputStruct();
     ShowWindows(&sUnknown_203B264->windows, TRUE, TRUE);
-    sub_8013818(&sUnknown_203B264->input, 5, 10, a0);
+    CreateMenuOnWindow(&sUnknown_203B264->input, 5, 10, a0);
     sub_801E594();
     DrawHintSelectionMenu();
     return TRUE;
@@ -68,7 +68,7 @@ u32 sub_801E474(bool8 a0)
 
 s32 GetChosenHintIndex(void)
 {
-    return (sUnknown_203B264->input.unk1E * sUnknown_203B264->input.unk1C) + sUnknown_203B264->input.menuIndex;
+    return (sUnknown_203B264->input.unk1E * sUnknown_203B264->input.entriesPerPage) + sUnknown_203B264->input.menuIndex;
 }
 
 void CreateHintSelectionScreen(bool8 cursorSprite)
diff --git a/src/hints_menu2.c b/src/hints_menu2.c
index 8dfb20c9f..f28112592 100644
--- a/src/hints_menu2.c
+++ b/src/hints_menu2.c
@@ -28,7 +28,7 @@ bool8 CreateHintDisplayScreen(u32 index)
     sUnknown_203B268->s0.unk38->header = &sUnknown_203B268->header;
     ResetUnusedInputStruct();
     ShowWindows(&sUnknown_203B268->s0.windows, TRUE, TRUE);
-    sub_8013818(&sUnknown_203B268->s0.input, 5, 1, sUnknown_203B268->s0.winId);
+    CreateMenuOnWindow(&sUnknown_203B268->s0.input, 5, 1, sUnknown_203B268->s0.winId);
     sUnknown_203B268->s0.input.unk1E = index;
     sub_801E714();
 
diff --git a/src/iq_skill_list_menu.c b/src/iq_skill_list_menu.c
index 126cff3be..750b06bf5 100644
--- a/src/iq_skill_list_menu.c
+++ b/src/iq_skill_list_menu.c
@@ -38,7 +38,7 @@ bool8 CreateIQSkillListMenu(s16 species, u32 index, u32 a2)
     sub_8012D08(sIQSkillListMenu->s24.s0.unk38, a2);
     ResetUnusedInputStruct();
     ShowWindows(&sIQSkillListMenu->s24.s0.windows, TRUE, TRUE);
-    sub_8013818(&sIQSkillListMenu->s24.s0.input, sIQSkillListMenu->numIQSkills, a2, index);
+    CreateMenuOnWindow(&sIQSkillListMenu->s24.s0.input, sIQSkillListMenu->numIQSkills, a2, index);
     sub_801C440();
     BuildIQSkillList();
     return TRUE;
@@ -73,14 +73,14 @@ u32 HandleIQSkillListMenuInput(bool8 a0)
 
 s32 GetIQSkillSelection(void)
 {
-    return (sIQSkillListMenu->s24.s0.input.unk1E * sIQSkillListMenu->s24.s0.input.unk1C) + sIQSkillListMenu->s24.s0.input.menuIndex;
+    return (sIQSkillListMenu->s24.s0.input.unk1E * sIQSkillListMenu->s24.s0.input.entriesPerPage) + sIQSkillListMenu->s24.s0.input.menuIndex;
 }
 
 void RedrawIQSkillListMenu(bool8 addCursor)
 {
     ResetUnusedInputStruct();
     ShowWindows(&sIQSkillListMenu->s24.s0.windows, FALSE, FALSE);
-    sIQSkillListMenu->s24.s0.input.unk22 = sIQSkillListMenu->numIQSkills;
+    sIQSkillListMenu->s24.s0.input.totalEntriesCount = sIQSkillListMenu->numIQSkills;
     sub_8013984(&sIQSkillListMenu->s24.s0.input);
     sub_801C440();
     BuildIQSkillList();
@@ -131,7 +131,7 @@ void BuildIQSkillList(void)
     sub_8012BC4(x2, 0, sIQSkillListMenu->s24.s0.input.unk1E + 1, 1, 7, sIQSkillListMenu->s24.s0.winId);
 
     for (counter = 0; counter < sIQSkillListMenu->s24.s0.input.unk1A; counter++) {
-        skillIndex = sIQSkillListMenu->iqSkills[(sIQSkillListMenu->s24.s0.input.unk1E * sIQSkillListMenu->s24.s0.input.unk1C) + counter];
+        skillIndex = sIQSkillListMenu->iqSkills[(sIQSkillListMenu->s24.s0.input.unk1E * sIQSkillListMenu->s24.s0.input.entriesPerPage) + counter];
 
         y = GetMenuEntryYCoord(&sIQSkillListMenu->s24.s0.input, counter);
         strncpy(gFormatBuffer_Items[1], GetIQSkillName(skillIndex), 80);
diff --git a/src/kecleon_bros2.c b/src/kecleon_bros2.c
index 91795f912..3deefa5ca 100644
--- a/src/kecleon_bros2.c
+++ b/src/kecleon_bros2.c
@@ -33,7 +33,7 @@ bool8 sub_8019E40(u32 r0)
     gUnknown_203B214->s0.unk38->header = &gUnknown_203B214->header;
     ResetUnusedInputStruct();
     ShowWindows(&gUnknown_203B214->s0.windows, TRUE, TRUE);
-    sub_8013818(&gUnknown_203B214->s0.input, CountKecleonShopItems(), 10, r0);
+    CreateMenuOnWindow(&gUnknown_203B214->s0.input, CountKecleonShopItems(), 10, r0);
     gUnknown_203B214->s0.input.menuIndex = gUnknown_203B218;
     sub_8013984(&gUnknown_203B214->s0.input);
     sub_801A064();
@@ -82,7 +82,7 @@ u32 sub_8019EDC(bool8 r0)
 // arm9.bin::02025798
 u8 sub_8019FB0(void)
 {
-    return (gUnknown_203B214->s0.input.unk1E * gUnknown_203B214->s0.input.unk1C) + (u8)gUnknown_203B214->s0.input.menuIndex;
+    return (gUnknown_203B214->s0.input.unk1E * gUnknown_203B214->s0.input.entriesPerPage) + (u8)gUnknown_203B214->s0.input.menuIndex;
 }
 
 // arm9.bin::02025738
@@ -90,7 +90,7 @@ void sub_8019FCC(bool8 r0)
 {
     ResetUnusedInputStruct();
     ShowWindows(&gUnknown_203B214->s0.windows, FALSE, FALSE);
-    gUnknown_203B214->s0.input.unk22 = CountKecleonShopItems();
+    gUnknown_203B214->s0.input.totalEntriesCount = CountKecleonShopItems();
     sub_8013984(&gUnknown_203B214->s0.input);
     sub_801A064();
     sub_801A0D8();
@@ -139,7 +139,7 @@ void sub_801A0D8(void)
     PrintStringOnWindow((gUnknown_203B214->s0.input.unk1E * 8) + 10, 0, sGoods, gUnknown_203B214->s0.winId, 0);
 
     for (index = 0; index < gUnknown_203B214->s0.input.unk1A; index++) {
-        temp_calc = (gUnknown_203B214->s0.input.unk1E * gUnknown_203B214->s0.input.unk1C) + index;
+        temp_calc = (gUnknown_203B214->s0.input.unk1E * gUnknown_203B214->s0.input.entriesPerPage) + index;
         heldItem = GetKecleonShopItem(temp_calc);
         item.id = heldItem->id;
         item.quantity = heldItem->quantity;
diff --git a/src/kecleon_bros3.c b/src/kecleon_bros3.c
index f758b31c1..32756b3b0 100644
--- a/src/kecleon_bros3.c
+++ b/src/kecleon_bros3.c
@@ -33,7 +33,7 @@ bool8 sub_801A20C(u32 r0)
     gUnknown_203B21C->s0.unk38->header = &gUnknown_203B21C->header;
     ResetUnusedInputStruct();
     ShowWindows(&gUnknown_203B21C->s0.windows, TRUE, TRUE);
-    sub_8013818(&gUnknown_203B21C->s0.input, CountKecleonWareItems(), 10, r0);
+    CreateMenuOnWindow(&gUnknown_203B21C->s0.input, CountKecleonWareItems(), 10, r0);
     gUnknown_203B21C->s0.input.menuIndex = gUnknown_203B220;
     sub_8013984(&gUnknown_203B21C->s0.input);
     sub_801A430();
@@ -82,7 +82,7 @@ u32 sub_801A2A8(bool8 r0)
 // arm9.bin::02025CC4
 u8 sub_801A37C(void)
 {
-    return (gUnknown_203B21C->s0.input.unk1E * gUnknown_203B21C->s0.input.unk1C) + gUnknown_203B21C->s0.input.menuIndex;
+    return (gUnknown_203B21C->s0.input.unk1E * gUnknown_203B21C->s0.input.entriesPerPage) + gUnknown_203B21C->s0.input.menuIndex;
 }
 
 // arm9.bin::02025C64
@@ -90,7 +90,7 @@ void sub_801A398(bool8 r0)
 {
     ResetUnusedInputStruct();
     ShowWindows(&gUnknown_203B21C->s0.windows, FALSE, FALSE);
-    gUnknown_203B21C->s0.input.unk22 = CountKecleonWareItems();
+    gUnknown_203B21C->s0.input.totalEntriesCount = CountKecleonWareItems();
     sub_8013984(&gUnknown_203B21C->s0.input);
     sub_801A430();
     sub_801A4A4();
@@ -139,7 +139,7 @@ void sub_801A4A4(void)
     PrintStringOnWindow(gUnknown_203B21C->s0.input.unk1E * 8 + 10, 0, sGoods, gUnknown_203B21C->s0.winId, 0);
 
     for (index = 0; index < gUnknown_203B21C->s0.input.unk1A; index++) {
-        temp_calc = (gUnknown_203B21C->s0.input.unk1E * gUnknown_203B21C->s0.input.unk1C) + index;
+        temp_calc = (gUnknown_203B21C->s0.input.unk1E * gUnknown_203B21C->s0.input.entriesPerPage) + index;
         heldItem = GetKecleonWareItem(temp_calc);
         item.id = heldItem->id;
         item.quantity = heldItem->quantity;
diff --git a/src/kecleon_bros4.c b/src/kecleon_bros4.c
index 7d42e6a2a..6498a782d 100644
--- a/src/kecleon_bros4.c
+++ b/src/kecleon_bros4.c
@@ -60,7 +60,7 @@ bool8 sub_801A5D8(u32 param_1, s32 param_2, DungeonPos *param_3, u32 param_4)
     sub_8099690(1);
     ResetUnusedInputStruct();
     ShowWindows(&gUnknown_203B224->unk54.s0.windows, TRUE, TRUE);
-    sub_8013818(&gUnknown_203B224->unk54.s0.input, GetNumberOfFilledInventorySlots(), param_4, param_2);
+    CreateMenuOnWindow(&gUnknown_203B224->unk54.s0.input, GetNumberOfFilledInventorySlots(), param_4, param_2);
     gUnknown_203B224->unk54.s0.input.menuIndex = gUnknown_203B228;
     gUnknown_203B224->unk54.s0.input.unk1E = gUnknown_203B22A;
     sub_8013984(&gUnknown_203B224->unk54.s0.input);
@@ -155,7 +155,7 @@ u32 sub_801A6E8(bool8 param_1)
 // arm9.bin::02026934
 s32 sub_801A8AC(void)
 {
-    return (gUnknown_203B224->unk54.s0.input.unk1E * gUnknown_203B224->unk54.s0.input.unk1C) + gUnknown_203B224->unk54.s0.input.menuIndex;
+    return (gUnknown_203B224->unk54.s0.input.unk1E * gUnknown_203B224->unk54.s0.input.entriesPerPage) + gUnknown_203B224->unk54.s0.input.menuIndex;
 }
 
 // arm9.bin::020268C0
@@ -165,7 +165,7 @@ void sub_801A8D0(bool8 r0)
     ResetUnusedInputStruct();
     ShowWindows(&gUnknown_203B224->unk54.s0.windows, FALSE, FALSE);
     FillInventoryGaps();
-    gUnknown_203B224->unk54.s0.input.unk22 = GetNumberOfFilledInventorySlots();
+    gUnknown_203B224->unk54.s0.input.totalEntriesCount = GetNumberOfFilledInventorySlots();
     sub_8013984(&gUnknown_203B224->unk54.s0.input);
     sub_801A998();
     sub_801A9E0();
@@ -217,7 +217,7 @@ void sub_801A9E0(void)
         PrintStringOnWindow(x, 0, sTeamToolboxB, gUnknown_203B224->unk54.s0.winId, 0);
 
     for (r7 = 0; r7 < gUnknown_203B224->unk54.s0.input.unk1A; r7++) {
-        teamItemIndex = (gUnknown_203B224->unk54.s0.input.unk1E * gUnknown_203B224->unk54.s0.input.unk1C) + r7;
+        teamItemIndex = (gUnknown_203B224->unk54.s0.input.unk1E * gUnknown_203B224->unk54.s0.input.entriesPerPage) + r7;
         item = gTeamInventoryRef->teamItems[teamItemIndex];
 
         switch (gUnknown_203B224->unk0) {
diff --git a/src/makuhita_dojo2.c b/src/makuhita_dojo2.c
index e0e427168..bd7c16c50 100644
--- a/src/makuhita_dojo2.c
+++ b/src/makuhita_dojo2.c
@@ -43,7 +43,7 @@ bool8 sub_80302E8(s32 param_1, DungeonPos *param_2, u32 param_3)
     sub_8012D08(sMakuhitaDojoWork2->s30.s0.unk38, param_3);
     ResetUnusedInputStruct();
     ShowWindows(&sMakuhitaDojoWork2->s30.s0.windows, TRUE, TRUE);
-    sub_8013818(&sMakuhitaDojoWork2->s30.s0.input, sub_8030668(), param_3, param_1);
+    CreateMenuOnWindow(&sMakuhitaDojoWork2->s30.s0.input, sub_8030668(), param_3, param_1);
     sub_80304C8();
     MakuhitaDojo_DrawCourseList();
     return TRUE;
@@ -76,12 +76,12 @@ u32 sub_80303AC(bool8 param_1)
 
 s16 sub_8030418(void)
 {
-    return sMakuhitaDojoWork2->unk0[(sMakuhitaDojoWork2->s30.s0.input.unk1E * sMakuhitaDojoWork2->s30.s0.input.unk1C) + sMakuhitaDojoWork2->s30.s0.input.menuIndex];
+    return sMakuhitaDojoWork2->unk0[(sMakuhitaDojoWork2->s30.s0.input.unk1E * sMakuhitaDojoWork2->s30.s0.input.entriesPerPage) + sMakuhitaDojoWork2->s30.s0.input.menuIndex];
 }
 
 UNUSED static void sub_8030444(bool8 a0)
 {
-    sMakuhitaDojoWork2->s30.s0.input.unk22 = sub_8030668();
+    sMakuhitaDojoWork2->s30.s0.input.totalEntriesCount = sub_8030668();
     sub_8013984(&sMakuhitaDojoWork2->s30.s0.input);
     sub_80304C8();
     MakuhitaDojo_DrawCourseList();
@@ -126,7 +126,7 @@ static void MakuhitaDojo_DrawCourseList(void)
     sub_8012BC4((sMakuhitaDojoWork2->s30.header.width * 8) + 4, 0, sMakuhitaDojoWork2->s30.s0.input.unk1E + 1, 2, 7, sMakuhitaDojoWork2->s30.s0.winId);
 
     for (i = 0; i < sMakuhitaDojoWork2->s30.s0.input.unk1A; i++) {
-        iVar6 = sMakuhitaDojoWork2->unk0[sMakuhitaDojoWork2->s30.s0.input.unk1E * sMakuhitaDojoWork2->s30.s0.input.unk1C + i];
+        iVar6 = sMakuhitaDojoWork2->unk0[sMakuhitaDojoWork2->s30.s0.input.unk1E * sMakuhitaDojoWork2->s30.s0.input.entriesPerPage + i];
         dungeonIndex = sub_80A2740(iVar6);
 
         mazeIndex = sub_80A2668(iVar6);
diff --git a/src/menu_input.c b/src/menu_input.c
index f8f0868b2..7af601e1d 100644
--- a/src/menu_input.c
+++ b/src/menu_input.c
@@ -242,37 +242,37 @@ void sub_8012CAC(WindowTemplate *a0, const MenuItem *a1)
     sub_8012D08(a0, count);
 }
 
-void sub_8012D08(WindowTemplate *param_1, s32 param_2)
+void sub_8012D08(WindowTemplate *winTemplate, s32 param_2)
 {
     s32 sVar2;
     s16 sVar3;
 
     sVar2 = (s16) sub_80095E4(param_2, 12);
-    if (param_1->type == WINDOW_TYPE_WITH_HEADER)
+    if (winTemplate->type == WINDOW_TYPE_WITH_HEADER)
         sVar2 = (s16)(sVar2 + 2);
 
     sVar3 = sVar2;
-    param_1->height = sVar3;
-    param_1->unk10 = sVar3;
+    winTemplate->height = sVar3;
+    winTemplate->unk10 = sVar3;
 }
 
-void sub_8012D34(WindowTemplate *param_1, s32 param_2)
+void sub_8012D34(WindowTemplate *winTemplate, s32 param_2)
 {
     s32 sVar2;
     s16 sVar3;
 
     sVar2 = (s16) sub_8009614(param_2, 24);
-    if (param_1->type == WINDOW_TYPE_WITH_HEADER)
+    if (winTemplate->type == WINDOW_TYPE_WITH_HEADER)
         sVar2 = (s16)(sVar2 + 2);
 
     sVar3 = sVar2;
-    param_1->height = sVar3;
-    param_1->unk10 = sVar3;
+    winTemplate->height = sVar3;
+    winTemplate->unk10 = sVar3;
 
 }
 
 // arm9.bin::0201C26C
-void sub_8012D60(MenuStruct *param_1, const MenuItem *menuItems, const u32 *colorArray, u16 *param_4, s32 menuAction, s32 index)
+void sub_8012D60(MenuStruct *menu, const MenuItem *menuItems, const u32 *colorArray, u16 *param_4, s32 menuAction, s32 index)
 {
     const u8 *textPtr;
     s32 counter;
@@ -282,14 +282,14 @@ void sub_8012D60(MenuStruct *param_1, const MenuItem *menuItems, const u32 *colo
     counter = 0;
     menuIndex = -1;
     iVar1 = 0;
-    param_1->index = index;
-    param_1->menuItems = menuItems;
-    param_1->menuTextColorArray = colorArray;
+    menu->index = index;
+    menu->menuItems = menuItems;
+    menu->menuTextColorArray = colorArray;
 
     if (colorArray == NULL)
-        param_1->menuTextColorArray = gDefaultMenuTextColors;
+        menu->menuTextColorArray = gDefaultMenuTextColors;
 
-    param_1->unkC = param_4;
+    menu->unkC = param_4;
     textPtr = menuItems->text;
 
     if (textPtr) {
@@ -309,17 +309,17 @@ void sub_8012D60(MenuStruct *param_1, const MenuItem *menuItems, const u32 *colo
     if (menuIndex < 0)
         menuIndex = iVar1;
 
-    sub_8013134(&param_1->input, counter, index);
-    param_1->input.menuIndex = menuIndex;
-    sub_80137B0(&param_1->input, 0);
+    sub_8013134(&menu->input, counter, index);
+    menu->input.menuIndex = menuIndex;
+    sub_80137B0(&menu->input, 0);
 
-    param_1->unk4C = TRUE;
-    param_1->unk4D = TRUE;
-    param_1->unk4E = TRUE;
-    param_1->menuAction = -1;
+    menu->unk4C = TRUE;
+    menu->unk4D = TRUE;
+    menu->unk4E = TRUE;
+    menu->menuAction = -1;
 }
 
-void sub_8012E04(MenuStruct *param_1, const MenuItem *menuItems, const u32 *colorArray, u16 *param_4, s32 menuAction, s32 index)
+void sub_8012E04(MenuStruct *menu, const MenuItem *menuItems, const u32 *colorArray, u16 *param_4, s32 menuAction, s32 index)
 {
     const u8 *textPtr;
     s32 counter;
@@ -350,31 +350,31 @@ void sub_8012E04(MenuStruct *param_1, const MenuItem *menuItems, const u32 *colo
     if (menuIndex < 0)
         menuIndex = iVar1;
 
-    sub_8013134(&param_1->input, counter, index);
-    param_1->input.menuIndex = menuIndex;
-    sub_80137B0(&param_1->input, 0);
+    sub_8013134(&menu->input, counter, index);
+    menu->input.menuIndex = menuIndex;
+    sub_80137B0(&menu->input, 0);
 
-    param_1->index = index;
-    param_1->menuTextColorArray = colorArray;
+    menu->index = index;
+    menu->menuTextColorArray = colorArray;
     if (colorArray == NULL)
-        param_1->menuTextColorArray = gDefaultMenuTextColors;
+        menu->menuTextColorArray = gDefaultMenuTextColors;
 
-    param_1->unkC = param_4;
-    param_1->menuItems = menuItems;
-    param_1->unk4E = FALSE;
-    param_1->unk4C = TRUE;
-    param_1->unk4D = TRUE;
-    param_1->menuAction = -1;
+    menu->unkC = param_4;
+    menu->menuItems = menuItems;
+    menu->unk4E = FALSE;
+    menu->unk4C = TRUE;
+    menu->unk4D = TRUE;
+    menu->menuAction = -1;
 }
 
-void sub_8012EA4(MenuStruct *param_1, bool8 r1)
+void sub_8012EA4(MenuStruct *menu, bool8 r1)
 {
-    param_1->unk4C = r1;
-    param_1->unk4D = TRUE;
-    sub_8012EBC(param_1);
+    menu->unk4C = r1;
+    menu->unk4D = TRUE;
+    sub_8012EBC(menu);
 }
 
-void sub_8012EBC(MenuStruct *param_1)
+void sub_8012EBC(MenuStruct *menu)
 {
     s32 x;
     s32 y;
@@ -389,21 +389,21 @@ void sub_8012EBC(MenuStruct *param_1)
     u8 buffer[256];
     Window *window;
 
-    if (param_1->unk4D) {
-        sub_80073B8(param_1->index);
-        index = param_1->index;
+    if (menu->unk4D) {
+        sub_80073B8(menu->index);
+        index = menu->index;
         window = &gWindows[index];
 
         if (window->type == WINDOW_TYPE_WITH_HEADER) {
             WindowTemplate *windowTemplate = &winTemplates.id[index];
             RestoreSavedWindows(&winTemplates);
-            x = GetStringLineWidth(param_1->unk0);
-            PrintFormattedStringOnWindow(((windowTemplate->header->width * 8 - x) / 2) + 8, 0, param_1->unk0, param_1->index, 0);
+            x = GetStringLineWidth(menu->unk0);
+            PrintFormattedStringOnWindow(((windowTemplate->header->width * 8 - x) / 2) + 8, 0, menu->unk0, menu->index, 0);
         }
 
-        colorArray = param_1->menuTextColorArray;
-        menuItemsPtr = param_1->menuItems;
-        _puVar2 = param_1->unkC;
+        colorArray = menu->menuTextColorArray;
+        menuItemsPtr = menu->menuItems;
+        _puVar2 = menu->unkC;
         counter = 0;
 
         if (menuItemsPtr->text != NULL) {
@@ -422,141 +422,141 @@ void sub_8012EBC(MenuStruct *param_1)
                     color = colorArray[0]; // Use the default white
 
                 sprintfStatic(buffer,gUnknown_80D4828, color, textPtr);
-                y = GetMenuEntryYCoord(&param_1->input, counter);
-                PrintFormattedStringOnWindow(8, y, buffer, param_1->index, 0);
+                y = GetMenuEntryYCoord(&menu->input, counter);
+                PrintFormattedStringOnWindow(8, y, buffer, menu->index, 0);
                 menuItemsPtr++;
                 counter++;
             } while (menuItemsPtr->text != NULL);
         }
 
-        sub_80073E0(param_1->index);
-        param_1->unk4D = FALSE;
+        sub_80073E0(menu->index);
+        menu->unk4D = FALSE;
     }
 
-    if (param_1->unk4E) {
-        if (param_1->unk4C)
-            AddMenuCursorSprite(&param_1->input);
+    if (menu->unk4E) {
+        if (menu->unk4C)
+            AddMenuCursorSprite(&menu->input);
         else
-            sub_8013660(&param_1->input);
+            sub_8013660(&menu->input);
     }
 }
 
-bool8 sub_8012FD8(MenuStruct *param_1)
+bool8 sub_8012FD8(MenuStruct *menu)
 {
     u32 prevMenuIndex;
     s32 index;
     const MenuItem *item;
 
-    prevMenuIndex = param_1->input.menuIndex;
+    prevMenuIndex = menu->input.menuIndex;
 
-    if (param_1->unk4C) {
-        switch (GetKeyPress(&param_1->input)) {
+    if (menu->unk4C) {
+        switch (GetKeyPress(&menu->input)) {
             case INPUT_DPAD_DOWN:
-                MoveMenuCursorDown(&param_1->input);
-                if (prevMenuIndex != param_1->input.menuIndex)
+                MoveMenuCursorDown(&menu->input);
+                if (prevMenuIndex != menu->input.menuIndex)
                     PlayMenuSoundEffect(3);
                 break;
             case INPUT_DPAD_UP:
-                MoveMenuCursorUp(&param_1->input);
-                if (prevMenuIndex != param_1->input.menuIndex)
+                MoveMenuCursorUp(&menu->input);
+                if (prevMenuIndex != menu->input.menuIndex)
                     PlayMenuSoundEffect(3);
                 break;
             case INPUT_A_BUTTON:
-                index = sub_80137A8(&param_1->input);
-                item = &param_1->menuItems[index];
+                index = sub_80137A8(&menu->input);
+                item = &menu->menuItems[index];
 
-                if (item->menuAction > -1 && (param_1->unkC == NULL || param_1->unkC[index] != 1)) {
-                    param_1->menuAction = item->menuAction;
-                    ++param_1; --param_1;
-                    param_1->unk4C = FALSE;
-                    param_1->input.unk24 = 0;
+                if (item->menuAction > -1 && (menu->unkC == NULL || menu->unkC[index] != 1)) {
+                    menu->menuAction = item->menuAction;
+                    ++menu; --menu;
+                    menu->unk4C = FALSE;
+                    menu->input.unk24 = 0;
                 }
                 else {
                     PlayMenuSoundEffect(2);
                     break;
                 }
 
-                if (param_1->unkC != NULL && param_1->unkC[index] == 2)
+                if (menu->unkC != NULL && menu->unkC[index] == 2)
                     PlayMenuSoundEffect(2);
                 else
                     PlayMenuSoundEffect(0);
                 break;
             case INPUT_B_BUTTON:
-                if (param_1->menuItems[param_1->input.unk1A].menuAction > -1) {
-                    param_1->menuAction = param_1->menuItems[param_1->input.unk1A].menuAction;
-                    param_1->unk4C = FALSE;
+                if (menu->menuItems[menu->input.unk1A].menuAction > -1) {
+                    menu->menuAction = menu->menuItems[menu->input.unk1A].menuAction;
+                    menu->unk4C = FALSE;
                     PlayMenuSoundEffect(1);
                 }
                 break;
         }
     }
 
-    sub_8012EBC(param_1);
-    return param_1->unk4C;
+    sub_8012EBC(menu);
+    return menu->unk4C;
 }
 
-bool8 sub_80130A8(MenuStruct *param_1)
+bool8 sub_80130A8(MenuStruct *menu)
 {
     s32 index;
     const MenuItem *menuItem;
 
-    if (param_1->unk4C) {
-        switch (GetKeyPress(&param_1->input))
+    if (menu->unk4C) {
+        switch (GetKeyPress(&menu->input))
         {
             case INPUT_A_BUTTON:
-                index = sub_80137A8(&param_1->input);
-                menuItem = &param_1->menuItems[index];
-                param_1->menuAction = menuItem->menuAction;
-                param_1->unk4C = FALSE;
-                param_1->input.unk24 = 0;
+                index = sub_80137A8(&menu->input);
+                menuItem = &menu->menuItems[index];
+                menu->menuAction = menuItem->menuAction;
+                menu->unk4C = FALSE;
+                menu->input.unk24 = 0;
                 PlayMenuSoundEffect(0);
                 break;
             case INPUT_B_BUTTON:
-                if (param_1->menuItems[param_1->input.unk1A].menuAction > -1) {
-                    param_1->menuAction = param_1->menuItems[param_1->input.unk1A].menuAction;
-                    param_1->unk4C = FALSE;
+                if (menu->menuItems[menu->input.unk1A].menuAction > -1) {
+                    menu->menuAction = menu->menuItems[menu->input.unk1A].menuAction;
+                    menu->unk4C = FALSE;
                     PlayMenuSoundEffect(0);
                 }
                 break;
         }
     }
 
-    sub_8012EBC(param_1);
-    return param_1->unk4C;
+    sub_8012EBC(menu);
+    return menu->unk4C;
 }
 
-bool8 sub_8013114(MenuStruct *param_1, s32 *menuAction)
+bool8 sub_8013114(MenuStruct *menu, s32 *menuAction)
 {
-    if (param_1->unk4C)
+    if (menu->unk4C)
         return TRUE;
 
     if (menuAction != NULL)
-        *menuAction = param_1->menuAction;
+        *menuAction = menu->menuAction;
 
     return FALSE;
 }
 
-static void sub_8013134(MenuInputStruct *param_1, u32 menuItemCounter, u32 windowId)
+static void sub_8013134(MenuInputStruct *menuInput, u32 menuItemCounter, u32 windowId)
 {
     Window *window = &gWindows[windowId];
 
-    param_1->unk0 = windowId;
-    param_1->menuIndex = 0;
-    param_1->unk1A = menuItemCounter;
-    param_1->unk1C = menuItemCounter;
-    param_1->unk1E = 0;
-    param_1->unk4 = 0;
+    menuInput->windowId = windowId;
+    menuInput->menuIndex = 0;
+    menuInput->unk1A = menuItemCounter;
+    menuInput->entriesPerPage = menuItemCounter;
+    menuInput->unk1E = 0;
+    menuInput->unk4 = 0;
 
     if (window->type == WINDOW_TYPE_WITH_HEADER)
-        param_1->firstEntryY = 16;
+        menuInput->firstEntryY = 16;
     else
-        param_1->firstEntryY = 2;
+        menuInput->firstEntryY = 2;
 
-    param_1->unkC = 0;
-    param_1->unkE = 0;
-    param_1->unk14.x = 0;
-    param_1->unk24 = 0;
-    sub_801317C(&param_1->unk28);
+    menuInput->unkC = 0;
+    menuInput->unkE = 0;
+    menuInput->unk14.x = 0;
+    menuInput->unk24 = 0;
+    sub_801317C(&menuInput->unk28);
 }
 
 // arm9.bin::0201BD28
@@ -574,20 +574,20 @@ void sub_801317C(MenuInputStructSub *param_1)
 }
 
 // arm9.bin::0201BD18
-void AddMenuCursorSprite(MenuInputStruct *param_1)
+void AddMenuCursorSprite(MenuInputStruct *menuInput)
 {
-    AddMenuCursorSprite_(param_1, 0);
+    AddMenuCursorSprite_(menuInput, 0);
 }
 
 // arm9.bin::0201B978
-void AddMenuCursorSprite_(MenuInputStruct *a0, u8 *a1)
+void AddMenuCursorSprite_(MenuInputStruct *menuInput, u8 *a1)
 {
     struct SpriteOAM sp = {0};
 
-    if (a0->unk1A > 0) {
-        UpdateMenuCursorSpriteCoords(a0);
+    if (menuInput->unk1A > 0) {
+        UpdateMenuCursorSpriteCoords(menuInput);
 
-        if (!(a0->unk24 & 8)) {
+        if (!(menuInput->unk24 & 8)) {
             SpriteSetAffine1(&sp, 0);
             SpriteSetAffine2(&sp, 0);
             SpriteSetObjMode(&sp, 0);
@@ -601,18 +601,18 @@ void AddMenuCursorSprite_(MenuInputStruct *a0, u8 *a1)
             SpriteSetPalNum(&sp, 15);
             SpriteSetUnk6_0(&sp, 0);
             SpriteSetUnk6_1(&sp, 0);
-            SpriteSetX(&sp, a0->unk8.x);
-            SpriteSetY(&sp, a0->unk8.y + 1);
+            SpriteSetX(&sp, menuInput->unk8.x);
+            SpriteSetY(&sp, menuInput->unk8.y + 1);
 
             AddSprite(&sp, 0xFF, 0, 0);
         }
     }
 
-    sub_8013470(a0);
-    if (a0->unk14.x != 0)
-        sub_801332C(&a0->unk14);
+    sub_8013470(menuInput);
+    if (menuInput->unk14.x != 0)
+        sub_801332C(&menuInput->unk14);
 
-    a0->unk24++;
+    menuInput->unk24++;
 
     // More here in NDS
 }
@@ -692,108 +692,104 @@ static void sub_8013470(MenuInputStruct *a0)
     }
 }
 
-void sub_8013660(MenuInputStruct *param_1)
+void sub_8013660(MenuInputStruct *menuInput)
 {
-    if (0 < param_1->unk1A) {
-        UpdateMenuCursorSpriteCoords(param_1);
-        sub_801332C(&param_1->unk8);
+    if (0 < menuInput->unk1A) {
+        UpdateMenuCursorSpriteCoords(menuInput);
+        sub_801332C(&menuInput->unk8);
     }
 }
 
 // arm9.bin::0201B14C
-void UpdateMenuCursorSpriteCoords(MenuInputStruct *param_1)
+void UpdateMenuCursorSpriteCoords(MenuInputStruct *menuInput)
 {
-    s32 index;
-    Window *window;
-
-    index = param_1->unk0;
-    window = &gWindows[index];
-    param_1->unk8.x = window->x * 8 + param_1->unk4;
-    param_1->unk8.y = window->y * 8 + GetMenuEntryYCoord(param_1, param_1->menuIndex);
+    Window *window = &gWindows[menuInput->windowId];
+    menuInput->unk8.x = window->x * 8 + menuInput->unk4;
+    menuInput->unk8.y = window->y * 8 + GetMenuEntryYCoord(menuInput, menuInput->menuIndex);
 }
 
-void MoveMenuCursorDown(MenuInputStruct *param_1)
+void MoveMenuCursorDown(MenuInputStruct *menuInput)
 {
-    param_1->unk24 = 0;
+    menuInput->unk24 = 0;
 
-    if (param_1->unk1A < 1)
-        param_1->menuIndex = 0;
+    if (menuInput->unk1A < 1)
+        menuInput->menuIndex = 0;
     else {
-        param_1->menuIndex++;
+        menuInput->menuIndex++;
 
-        if (param_1->menuIndex >= param_1->unk1A)
-            param_1->menuIndex = 0;
+        if (menuInput->menuIndex >= menuInput->unk1A)
+            menuInput->menuIndex = 0;
     }
 }
 
-void MoveMenuCursorDownWrapAround(MenuInputStruct *param_1, u8 param_2)
+void MoveMenuCursorDownWrapAround(MenuInputStruct *menuInput, u8 param_2)
 {
-    param_1->unk24 = 0;
+    menuInput->unk24 = 0;
 
-    if (param_1->unk1A < 1)
-        param_1->menuIndex = 0;
+    if (menuInput->unk1A < 1)
+        menuInput->menuIndex = 0;
     else {
-        param_1->menuIndex++;
+        menuInput->menuIndex++;
 
-        if (param_1->menuIndex >= param_1->unk1A) {
+        if (menuInput->menuIndex >= menuInput->unk1A) {
             if (param_2 != 0)
-                param_1->menuIndex = 0;
+                menuInput->menuIndex = 0;
             else
-                param_1->menuIndex = param_1->unk1A - 1;
+                menuInput->menuIndex = menuInput->unk1A - 1;
         }
     }
 }
 
-void MoveMenuCursorUp(MenuInputStruct *param_1)
+void MoveMenuCursorUp(MenuInputStruct *menuInput)
 {
-    param_1->unk24 = 0;
+    menuInput->unk24 = 0;
 
-    if (param_1->unk1A < 1)
-        param_1->menuIndex = 0;
+    if (menuInput->unk1A < 1)
+        menuInput->menuIndex = 0;
     else {
-        param_1->menuIndex--;
+        menuInput->menuIndex--;
 
-        if (param_1->menuIndex < 0)
-            param_1->menuIndex = param_1->unk1A - 1;
+        if (menuInput->menuIndex < 0)
+            menuInput->menuIndex = menuInput->unk1A - 1;
     }
 }
 
-void MoveMenuCursorUpWrapAround(MenuInputStruct *param_1, u8 param_2)
+void MoveMenuCursorUpWrapAround(MenuInputStruct *menuInput, u8 param_2)
 {
-    param_1->unk24 = 0;
+    menuInput->unk24 = 0;
 
-    if (param_1->unk1A < 1)
-        param_1->menuIndex = 0;
+    if (menuInput->unk1A < 1)
+        menuInput->menuIndex = 0;
     else {
-        param_1->menuIndex--;
+        menuInput->menuIndex--;
 
-        if (param_1->menuIndex < 0) {
+        if (menuInput->menuIndex < 0) {
             if (param_2 != 0)
-                param_1->menuIndex = param_1->unk1A - 1;
+                menuInput->menuIndex = menuInput->unk1A - 1;
             else
-                param_1->menuIndex = 0;
+                menuInput->menuIndex = 0;
         }
     }
 }
 
-void sub_8013780(MenuInputStruct *param_1, s32 param_2)
+void sub_8013780(MenuInputStruct *menuInput, s32 param_2)
 {
     if (param_2 < 0)
-        param_1->menuIndex = 0;
-    else if (param_2 >= param_1->unk1A)
-        param_1->menuIndex = param_1->unk1A - 1;
+        menuInput->menuIndex = 0;
+    else if (param_2 >= menuInput->unk1A)
+        menuInput->menuIndex = menuInput->unk1A - 1;
     else
-        param_1->menuIndex = param_2;
+        menuInput->menuIndex = param_2;
 
-    param_1->unk24 = 0;
+    menuInput->unk24 = 0;
 }
 
-s32 sub_80137A8(MenuInputStruct *param_1)
+s32 sub_80137A8(MenuInputStruct *menuInput)
 {
-    return param_1->menuIndex;
+    return menuInput->menuIndex;
 }
 
-void sub_80137B0(MenuInputStruct *param_1, s32 param_2)
+void sub_80137B0(MenuInputStruct *menuInput, s32 param_2)
 {
     s32 iVar1;
     s32 iVar2;
@@ -802,197 +798,195 @@ void sub_80137B0(MenuInputStruct *param_1, s32 param_2)
         iVar2 = param_2 << 8;
     }
     else {
-        if (gWindows[param_1->unk0].type == WINDOW_TYPE_WITH_HEADER)
+        if (gWindows[menuInput->windowId].type == WINDOW_TYPE_WITH_HEADER)
             iVar1 = 16;
         else
             iVar1 = 0;
 
-        iVar2 = (gWindows[param_1->unk0].height * 8 - iVar1) << 8;
+        iVar2 = (gWindows[menuInput->windowId].height * 8 - iVar1) << 8;
     }
 
-    param_1->unk10 = iVar2 / param_1->unk1C;
+    menuInput->unk10 = iVar2 / menuInput->entriesPerPage;
 }
 
-void sub_80137F8(MenuInputStruct *param_1, u32 param_2)
+void sub_80137F8(MenuInputStruct *menuInput, u32 param_2)
 {
-    param_1->unk10 = param_2 << 8;
+    menuInput->unk10 = param_2 << 8;
 }
 
 // arm9.bin::0201AF70
-s32 GetMenuEntryYCoord(MenuInputStruct *menu, s32 entryId)
+s32 GetMenuEntryYCoord(MenuInputStruct *menuInput, s32 entryId)
 {
-    s32 firstY = menu->firstEntryY;
-    s32 iVar1 = entryId * menu->unk10;
+    s32 firstY = menuInput->firstEntryY;
+    s32 iVar1 = entryId * menuInput->unk10;
 
     return firstY + (iVar1 / 256);
 }
 
-void sub_8013818(MenuInputStruct *param_1, s32 param_2, u32 param_3, s32 param_4)
+void CreateMenuOnWindow(MenuInputStruct *menuInput, s32 totalCount, u32 perPageCount, s32 windowId)
 {
-    param_1->unk0 = param_4;
-    param_1->unk22 = param_2;
-    param_1->unk1C = param_3;
-    param_1->unk14.x = 0;
-    param_1->unk24 = 0;
-    param_1->menuIndex = 0;
-    param_1->unk1E = 0;
+    menuInput->windowId = windowId;
+    menuInput->totalEntriesCount = totalCount;
+    menuInput->entriesPerPage = perPageCount;
+    menuInput->unk14.x = 0;
+    menuInput->unk24 = 0;
+    menuInput->menuIndex = 0;
+    menuInput->unk1E = 0;
 
-    sub_801317C(&param_1->unk28);
-    sub_8013984(param_1);
-    sub_80137F8(param_1, 12);
+    sub_801317C(&menuInput->unk28);
+    sub_8013984(menuInput);
+    sub_80137F8(menuInput, 12);
 }
 
-void sub_8013848(MenuInputStruct *param_1, s32 param_2, u32 param_3, s32 param_4)
+void sub_8013848(MenuInputStruct *menuInput, s32 totalCount, u32 perPageCount, s32 windowId)
 {
-    param_1->unk0 = param_4;
-    param_1->unk22 = param_2;
-    param_1->unk1C = param_3;
-    param_1->unk14.x = 0;
-    param_1->unk24 = 0;
-    param_1->menuIndex = 0;
-    param_1->unk1E = 0;
+    menuInput->windowId = windowId;
+    menuInput->totalEntriesCount = totalCount;
+    menuInput->entriesPerPage = perPageCount;
+    menuInput->unk14.x = 0;
+    menuInput->unk24 = 0;
+    menuInput->menuIndex = 0;
+    menuInput->unk1E = 0;
 
-    sub_801317C(&param_1->unk28);
-    sub_8013984(param_1);
-    sub_80137F8(param_1, 24);
+    sub_801317C(&menuInput->unk28);
+    sub_8013984(menuInput);
+    sub_80137F8(menuInput, 24);
 }
 
-void sub_8013878(MenuInputStruct *param_1, s32 param_2)
+void sub_8013878(MenuInputStruct *menuInput, s32 param_2)
 {
     if (param_2 < 0)
         param_2 = 0;
-    else if (param_2 >= param_1->unk22)
-        param_2 = param_1->unk22 - 1;
+    else if (param_2 >= menuInput->totalEntriesCount)
+        param_2 = menuInput->totalEntriesCount - 1;
 
-    param_1->unk1E = param_2 / param_1->unk1C;
-    param_1->menuIndex = param_2 % param_1->unk1C;
-    param_1->unk24 = 0;
-    sub_8013984(param_1);
+    menuInput->unk1E = param_2 / menuInput->entriesPerPage;
+    menuInput->menuIndex = param_2 % menuInput->entriesPerPage;
+    menuInput->unk24 = 0;
+    sub_8013984(menuInput);
 }
 
-bool8 sub_80138B8(MenuInputStruct *param_1, bool8 param_2)
+bool8 sub_80138B8(MenuInputStruct *menuInput, bool8 param_2)
 {
     s32 sVar1;
     s32 oldIndex;
 
-    sVar1 = param_1->unk1E;
-    oldIndex = param_1->menuIndex;
-    AddMenuCursorSprite(param_1);
+    sVar1 = menuInput->unk1E;
+    oldIndex = menuInput->menuIndex;
+    AddMenuCursorSprite(menuInput);
 
     if (param_2) {
-        switch (GetKeyPress(param_1)) {
+        switch (GetKeyPress(menuInput)) {
             case INPUT_DPAD_UP:
-                MoveMenuCursorUp(param_1);
-                if (oldIndex != param_1->menuIndex)
+                MoveMenuCursorUp(menuInput);
+                if (oldIndex != menuInput->menuIndex)
                     PlayMenuSoundEffect(3);
                 break;
             case INPUT_DPAD_DOWN:
-                MoveMenuCursorDown(param_1);
-                if (oldIndex != param_1->menuIndex)
+                MoveMenuCursorDown(menuInput);
+                if (oldIndex != menuInput->menuIndex)
                     PlayMenuSoundEffect(3);
                 break;
             case INPUT_DPAD_LEFT:
-                sub_8013A7C(param_1);
+                sub_8013A7C(menuInput);
                 break;
             case INPUT_DPAD_RIGHT:
-                sub_8013A54(param_1);
+                sub_8013A54(menuInput);
                 break;
         }
     }
 
-    if (sVar1 != param_1->unk1E) {
+    if (sVar1 != menuInput->unk1E) {
         PlayMenuSoundEffect(4);
         return TRUE;
     }
     return FALSE;
 }
 
-bool8 sub_8013938(MenuInputStruct *param_1)
+bool8 sub_8013938(MenuInputStruct *menuInput)
 {
     s32 sVar1;
 
-    sVar1 = param_1->unk1E;
-    param_1->unk1A = 0;
-    param_1->unk14.x = 0;
-    AddMenuCursorSprite(param_1);
+    sVar1 = menuInput->unk1E;
+    menuInput->unk1A = 0;
+    menuInput->unk14.x = 0;
+    AddMenuCursorSprite(menuInput);
 
-    switch (GetKeyPress(param_1)) {
+    switch (GetKeyPress(menuInput)) {
         case INPUT_DPAD_LEFT:
-            sub_8013A7C(param_1);
+            sub_8013A7C(menuInput);
             break;
         case INPUT_DPAD_RIGHT:
-            sub_8013A54(param_1);
+            sub_8013A54(menuInput);
             break;
     }
 
-    if (sVar1 != param_1->unk1E) {
+    if (sVar1 != menuInput->unk1E) {
         PlayMenuSoundEffect(4);
         return TRUE;
     }
     return FALSE;
 }
 
-void sub_8013984(MenuInputStruct *param_1)
+void sub_8013984(MenuInputStruct *menuInput)
 {
     s32 iVar2;
-    s32 iVar4;
     Window *window;
 
-    iVar4 = param_1->unk0;
-    window = &gWindows[iVar4];
+    window = &gWindows[menuInput->windowId];
 
-    if (param_1->unk1C == 0)
-        param_1->unk1C++;
+    if (menuInput->entriesPerPage == 0)
+        menuInput->entriesPerPage++;
 
-    param_1->unk20 = param_1->unk22 / param_1->unk1C;
-    iVar2 = param_1->unk22 % param_1->unk1C;
+    menuInput->unk20 = menuInput->totalEntriesCount / menuInput->entriesPerPage;
+    iVar2 = menuInput->totalEntriesCount % menuInput->entriesPerPage;
     if (iVar2 != 0)
-        param_1->unk20++;
+        menuInput->unk20++;
 
-    if (param_1->unk1E > param_1->unk20 - 1)
-        param_1->unk1E = param_1->unk20 - 1;
+    if (menuInput->unk1E > menuInput->unk20 - 1)
+        menuInput->unk1E = menuInput->unk20 - 1;
 
-    if (param_1->unk1E != param_1->unk20 - 1 || param_1->unk22 % param_1->unk1C == 0)
-        param_1->unk1A = param_1->unk1C;
+    if (menuInput->unk1E != menuInput->unk20 - 1 || menuInput->totalEntriesCount % menuInput->entriesPerPage == 0)
+        menuInput->unk1A = menuInput->entriesPerPage;
     else
-        param_1->unk1A = param_1->unk22 % param_1->unk1C;
+        menuInput->unk1A = menuInput->totalEntriesCount % menuInput->entriesPerPage;
 
-    if (param_1->menuIndex > param_1->unk1A - 1)
-        param_1->menuIndex = param_1->unk1A - 1;
+    if (menuInput->menuIndex > menuInput->unk1A - 1)
+        menuInput->menuIndex = menuInput->unk1A - 1;
 
-    param_1->unk4 = 0;
+    menuInput->unk4 = 0;
 
     if (window->type== WINDOW_TYPE_WITH_HEADER)
-        param_1->firstEntryY = 16;
+        menuInput->firstEntryY = 16;
     else
-        param_1->firstEntryY = 0;
+        menuInput->firstEntryY = 0;
 
-    if (param_1->unk20 < 2)
-        param_1->unkC = 0;
+    if (menuInput->unk20 < 2)
+        menuInput->unkC = 0;
     else
-        param_1->unkC = (window->x + window->width - 2) * 8;
+        menuInput->unkC = (window->x + window->width - 2) * 8;
 
-    param_1->unkE = (window->y + 1) * 8 - 2;
+    menuInput->unkE = (window->y + 1) * 8 - 2;
 }
 
-void sub_8013A54(MenuInputStruct *param_1)
+void sub_8013A54(MenuInputStruct *menuInput)
 {
-    if (param_1->unk1E < param_1->unk20 - 1)
-        param_1->unk1E++;
+    if (menuInput->unk1E < menuInput->unk20 - 1)
+        menuInput->unk1E++;
     else
-        param_1->unk1E = 0;
+        menuInput->unk1E = 0;
 
-    sub_8013984(param_1);
+    sub_8013984(menuInput);
 }
 
-void sub_8013A7C(MenuInputStruct *param_1)
+void sub_8013A7C(MenuInputStruct *menuInput)
 {
-    if (param_1->unk1E < 1)
-        param_1->unk1E = param_1->unk20 - 1;
+    if (menuInput->unk1E < 1)
+        menuInput->unk1E = menuInput->unk20 - 1;
     else
-        param_1->unk1E--;
+        menuInput->unk1E--;
 
-    sub_8013984(param_1);
+    sub_8013984(menuInput);
 }
 
 void sub_8013AA0(unkStructFor8013AA0 *a0)
diff --git a/src/options_menu2.c b/src/options_menu2.c
index 01b8d506a..7bf785a97 100644
--- a/src/options_menu2.c
+++ b/src/options_menu2.c
@@ -30,7 +30,7 @@ bool8 sub_801E198(GameOptions *optionsMenu)
     sub_8012D08(sUnknown_203B260->unk48, 1);
     ResetUnusedInputStruct();
     ShowWindows(&sUnknown_203B260->unk4C, TRUE, TRUE);
-    sub_8013818(&sUnknown_203B260->input, 1, 1, sUnknown_203B260->unk44);
+    CreateMenuOnWindow(&sUnknown_203B260->input, 1, 1, sUnknown_203B260->unk44);
     nullsub_38();
     CreateOptionsMenu();
     return TRUE;
diff --git a/src/personality_test2.c b/src/personality_test2.c
index 625210cac..b8a066e0f 100644
--- a/src/personality_test2.c
+++ b/src/personality_test2.c
@@ -49,7 +49,7 @@ void CreatePartnerSelectionMenu(s16 starterID)
     gUnknown_203B404->s18.header.f3 = 0;
     ResetUnusedInputStruct();
     ShowWindows(&gUnknown_203B404->s18.s0.windows, TRUE, TRUE);
-    sub_8013818(&gUnknown_203B404->s18.s0.input, GetValidPartners(), 10, gUnknown_203B404->s18.s0.winId);
+    CreateMenuOnWindow(&gUnknown_203B404->s18.s0.input, GetValidPartners(), 10, gUnknown_203B404->s18.s0.winId);
     RedrawPartnerSelectionMenu();
     PersonalityTest_DisplayPartnerSprite();
 }
@@ -80,7 +80,7 @@ u16 HandlePartnerSelectionInput(void)
 
 UNUSED static void sub_803CE34(bool8 cursorSprite)
 {
-    gUnknown_203B404->s18.s0.input.unk22 = GetValidPartners();
+    gUnknown_203B404->s18.s0.input.totalEntriesCount = GetValidPartners();
     sub_8013984(&gUnknown_203B404->s18.s0.input);
     RedrawPartnerSelectionMenu();
     PersonalityTest_DisplayPartnerSprite();
diff --git a/src/pokemon_news1.c b/src/pokemon_news1.c
index 2799db4ff..ee06c5874 100644
--- a/src/pokemon_news1.c
+++ b/src/pokemon_news1.c
@@ -46,7 +46,7 @@ bool8 sub_802B640(u32 a0, DungeonPos *a1, u32 a2)
     ResetUnusedInputStruct();
     ShowWindows(&sUnknown_203B2CC->s38.windows, TRUE, TRUE);
 
-    sub_8013818(&sUnknown_203B2CC->s38.input, GetNumPKMNNews(), a2, a0);
+    CreateMenuOnWindow(&sUnknown_203B2CC->s38.input, GetNumPKMNNews(), a2, a0);
 
     sUnknown_203B2CC->s38.input.menuIndex = sUnknown_203B2D0;
     sUnknown_203B2CC->s38.input.unk1E = sUnknown_203B2D2;
@@ -87,7 +87,7 @@ u32 sub_802B720(bool8 a0)
 
 u8 GetPokemonNewsIndex(void)
 {
-    return sUnknown_203B2CC->receivedNewsletters[(sUnknown_203B2CC->s38.input.unk1E * sUnknown_203B2CC->s38.input.unk1C) + sUnknown_203B2CC->s38.input.menuIndex];
+    return sUnknown_203B2CC->receivedNewsletters[(sUnknown_203B2CC->s38.input.unk1E * sUnknown_203B2CC->s38.input.entriesPerPage) + sUnknown_203B2CC->s38.input.menuIndex];
 }
 
 void sub_802B7D0(bool8 cursorSprite)
@@ -95,7 +95,7 @@ void sub_802B7D0(bool8 cursorSprite)
     ResetUnusedInputStruct();
     ShowWindows(&sUnknown_203B2CC->s38.windows, FALSE, FALSE);
 
-    sUnknown_203B2CC->s38.input.unk22 = GetNumPKMNNews();
+    sUnknown_203B2CC->s38.input.totalEntriesCount = GetNumPKMNNews();
     sub_8013984(&sUnknown_203B2CC->s38.input);
     sub_802B880();
     CreatePKMNNewsMenu();
@@ -141,7 +141,7 @@ static void CreatePKMNNewsMenu(void)
 
     for (index = 0; index < sUnknown_203B2CC->s38.input.unk1A; index++) {
         y = GetMenuEntryYCoord(&sUnknown_203B2CC->s38.input, index);
-        new_index = (sUnknown_203B2CC->s38.input.unk1E * sUnknown_203B2CC->s38.input.unk1C) + index;
+        new_index = (sUnknown_203B2CC->s38.input.unk1E * sUnknown_203B2CC->s38.input.entriesPerPage) + index;
         mailIndex = sUnknown_203B2CC->receivedNewsletters[new_index];
         sub_803B6B0(10, y, 6, sUnknown_203B2CC->s38.winId);
         sub_802BC7C();
diff --git a/src/pokemon_news3.c b/src/pokemon_news3.c
index 1d547a5aa..d331d8d7a 100644
--- a/src/pokemon_news3.c
+++ b/src/pokemon_news3.c
@@ -83,7 +83,7 @@ u32 sub_802BDEC(bool8 a0)
 
 u8 sub_802BE74(void)
 {
-    return sUnknown_203B2D8->unk0[(sUnknown_203B2D8->unk4.s0.input.unk1E * sUnknown_203B2D8->unk4.s0.input.unk1C) + sUnknown_203B2D8->unk4.s0.input.menuIndex];
+    return sUnknown_203B2D8->unk0[(sUnknown_203B2D8->unk4.s0.input.unk1E * sUnknown_203B2D8->unk4.s0.input.entriesPerPage) + sUnknown_203B2D8->unk4.s0.input.menuIndex];
 }
 
 void sub_802BE94(bool8 cursorSprite)
@@ -91,7 +91,7 @@ void sub_802BE94(bool8 cursorSprite)
     ResetUnusedInputStruct();
     ShowWindows(&sUnknown_203B2D8->unk4.s0.windows, FALSE, FALSE);
 
-    sUnknown_203B2D8->unk4.s0.input.unk22 = CountEmptyMailSlots();
+    sUnknown_203B2D8->unk4.s0.input.totalEntriesCount = CountEmptyMailSlots();
     sub_8013984(&sUnknown_203B2D8->unk4.s0.input);
     sub_802BF30();
     CreateMailMenu();
@@ -134,7 +134,7 @@ void CreateMailMenu(void)
     PrintStringOnWindow((sUnknown_203B2D8->unk4.s0.input.unk1E * 8) + 10, 0, sMailbox, sUnknown_203B2D8->unk4.s0.winId, 0);
 
     for (i = 0; i < sUnknown_203B2D8->unk4.s0.input.unk1A; i++) {
-        mail = GetMailboxSlotInfo(sUnknown_203B2D8->unk0[(sUnknown_203B2D8->unk4.s0.input.unk1E * sUnknown_203B2D8->unk4.s0.input.unk1C) + i]);
+        mail = GetMailboxSlotInfo(sUnknown_203B2D8->unk0[(sUnknown_203B2D8->unk4.s0.input.unk1E * sUnknown_203B2D8->unk4.s0.input.entriesPerPage) + i]);
         local.unk0[0] = sUnknown_203B2D8->unk4.s0.winId;
         local.y = GetMenuEntryYCoord(&sUnknown_203B2D8->unk4.s0.input, i);
 
diff --git a/src/wigglytuff_shop1.c b/src/wigglytuff_shop1.c
index 45d7a4c36..c96c924d0 100644
--- a/src/wigglytuff_shop1.c
+++ b/src/wigglytuff_shop1.c
@@ -37,7 +37,7 @@ bool8 sub_80211AC(u32 mode, u32 a1)
     sWigglytuffShop1Work->s40.s0.unk38->header = &sWigglytuffShop1Work->s40.header;
     ResetUnusedInputStruct();
     ShowWindows(&sWigglytuffShop1Work->s40.s0.windows, TRUE, TRUE);
-    sub_8013818(&sWigglytuffShop1Work->s40.s0.input, sub_8021664(), 10, a1);
+    CreateMenuOnWindow(&sWigglytuffShop1Work->s40.s0.input, sub_8021664(), 10, a1);
 
     if (sUnknown_203B284 == sWigglytuffShop1Work->mode) {
         sWigglytuffShop1Work->s40.s0.input.menuIndex = sUnknown_203B288;
@@ -82,14 +82,14 @@ u32 sub_8021274(bool8 a0)
 
 u8 sub_802132C(void)
 {
-    return sWigglytuffShop1Work->friendAreas[(sWigglytuffShop1Work->s40.s0.input.unk1E * sWigglytuffShop1Work->s40.s0.input.unk1C) + sWigglytuffShop1Work->s40.s0.input.menuIndex];
+    return sWigglytuffShop1Work->friendAreas[(sWigglytuffShop1Work->s40.s0.input.unk1E * sWigglytuffShop1Work->s40.s0.input.entriesPerPage) + sWigglytuffShop1Work->s40.s0.input.menuIndex];
 }
 
 void sub_8021354(bool8 cursorSprite)
 {
     ResetUnusedInputStruct();
     ShowWindows(&sWigglytuffShop1Work->s40.s0.windows, FALSE, FALSE);
-    sWigglytuffShop1Work->s40.s0.input.unk22 = sub_8021664();
+    sWigglytuffShop1Work->s40.s0.input.totalEntriesCount = sub_8021664();
     sub_8013984(&sWigglytuffShop1Work->s40.s0.input);
     sub_8021410();
     sub_8021494();
@@ -138,7 +138,7 @@ void sub_8021494(void)
     sub_8012BC4((sWigglytuffShop1Work->s40.header.width * 8) + 4, 0, sWigglytuffShop1Work->s40.s0.input.unk1E + 1, 1, 7, sWigglytuffShop1Work->s40.s0.winId);
 
     for (i = 0; i < sWigglytuffShop1Work->s40.s0.input.unk1A; i++) {
-        friendAreaIndex = sWigglytuffShop1Work->friendAreas[(sWigglytuffShop1Work->s40.s0.input.unk1E * sWigglytuffShop1Work->s40.s0.input.unk1C) + i];
+        friendAreaIndex = sWigglytuffShop1Work->friendAreas[(sWigglytuffShop1Work->s40.s0.input.unk1E * sWigglytuffShop1Work->s40.s0.input.entriesPerPage) + i];
 
         if (sWigglytuffShop1Work->mode == 2) {
             WriteFriendAreaName(buffer1, friendAreaIndex, TRUE);
diff --git a/src/wonder_mail_4.c b/src/wonder_mail_4.c
index 2379f86f6..c22ed0bb6 100644
--- a/src/wonder_mail_4.c
+++ b/src/wonder_mail_4.c
@@ -99,7 +99,7 @@ u32 sub_80306A8(u32 wonderMailType, u32 r1, DungeonPos *r2, u32 r3)
     sub_8012D08(gUnknown_203B320->s28.s0.unk38, r3);
     ResetUnusedInputStruct();
     ShowWindows(&gUnknown_203B320->s28.s0.windows, TRUE, TRUE);
-    sub_8013818(&gUnknown_203B320->s28.s0.input, sub_8030A74(), r3, r1);
+    CreateMenuOnWindow(&gUnknown_203B320->s28.s0.input, sub_8030A74(), r3, r1);
     sub_80308A0();
     sub_803092C();
     return 1;
@@ -137,12 +137,12 @@ u32 sub_8030768(u8 r0)
 
 u8 sub_80307EC(void)
 {
-    return gUnknown_203B320->unk0[(gUnknown_203B320->s28.s0.input.unk1E * gUnknown_203B320->s28.s0.input.unk1C) + gUnknown_203B320->s28.s0.input.menuIndex];
+    return gUnknown_203B320->unk0[(gUnknown_203B320->s28.s0.input.unk1E * gUnknown_203B320->s28.s0.input.entriesPerPage) + gUnknown_203B320->s28.s0.input.menuIndex];
 }
 
 void sub_8030810(u8 r0)
 {
-    gUnknown_203B320->s28.s0.input.unk22 = sub_8030A74();
+    gUnknown_203B320->s28.s0.input.totalEntriesCount = sub_8030A74();
     sub_8013984(&gUnknown_203B320->s28.s0.input);
 
     sub_80308A0();
@@ -199,7 +199,7 @@ void sub_803092C(void)
   sub_8012BC4(r5,0,gUnknown_203B320->s28.s0.input.unk1E + 1,1,7,gUnknown_203B320->s28.s0.winId);
 
   for (index = 0; index < gUnknown_203B320->s28.s0.input.unk1A; index++) {
-      mail = GetMailatIndex(gUnknown_203B320->unk0[(gUnknown_203B320->s28.s0.input.unk1E * gUnknown_203B320->s28.s0.input.unk1C) + index]);
+      mail = GetMailatIndex(gUnknown_203B320->unk0[(gUnknown_203B320->s28.s0.input.unk1E * gUnknown_203B320->s28.s0.input.entriesPerPage) + index]);
       local.unk0[0] = gUnknown_203B320->s28.s0.winId;
       local.y = GetMenuEntryYCoord(&gUnknown_203B320->s28.s0.input,index);
       local.mailTitleType = 7;
diff --git a/src/wonder_mail_802C10C.c b/src/wonder_mail_802C10C.c
index 89927c4f7..825b6e297 100644
--- a/src/wonder_mail_802C10C.c
+++ b/src/wonder_mail_802C10C.c
@@ -78,14 +78,14 @@ u32 sub_802C1E4(bool8 a0)
 
 u8 sub_802C26C(void)
 {
-    return gUnknown_203B2E0->pelipperBoardSlots[(gUnknown_203B2E0->unk8.s0.input.unk1E * gUnknown_203B2E0->unk8.s0.input.unk1C) + gUnknown_203B2E0->unk8.s0.input.menuIndex];
+    return gUnknown_203B2E0->pelipperBoardSlots[(gUnknown_203B2E0->unk8.s0.input.unk1E * gUnknown_203B2E0->unk8.s0.input.entriesPerPage) + gUnknown_203B2E0->unk8.s0.input.menuIndex];
 }
 
 void sub_802C28C(bool8 cursorSprite)
 {
     ResetUnusedInputStruct();
     ShowWindows(&gUnknown_203B2E0->unk8.s0.windows, FALSE, FALSE);
-    gUnknown_203B2E0->unk8.s0.input.unk22 = CountPelipperBoardSlots();
+    gUnknown_203B2E0->unk8.s0.input.totalEntriesCount = CountPelipperBoardSlots();
     sub_8013984(&gUnknown_203B2E0->unk8.s0.input);
     sub_802C328();
     DrawPelipperBoardJobMenu();
@@ -137,7 +137,7 @@ void DrawPelipperBoardJobMenu(void)
     sub_8012BC4(x, 0, gUnknown_203B2E0->unk8.s0.input.unk1E + 1, 2, 7, gUnknown_203B2E0->unk8.s0.winId);
 
     for (i = 0; i < gUnknown_203B2E0->unk8.s0.input.unk1A; i++) {
-        slotIndex = (gUnknown_203B2E0->pelipperBoardSlots[(gUnknown_203B2E0->unk8.s0.input.unk1E * gUnknown_203B2E0->unk8.s0.input.unk1C) + i]);
+        slotIndex = (gUnknown_203B2E0->pelipperBoardSlots[(gUnknown_203B2E0->unk8.s0.input.unk1E * gUnknown_203B2E0->unk8.s0.input.entriesPerPage) + i]);
         mail = GetPelipperBoardSlotInfo(slotIndex);
         local.unk0[0] = gUnknown_203B2E0->unk8.s0.winId;
         local.y = GetMenuEntryYCoord(&gUnknown_203B2E0->unk8.s0.input, i);
diff --git a/src/wonder_mail_802C4C8.c b/src/wonder_mail_802C4C8.c
index ddedd5b51..ba316ec75 100644
--- a/src/wonder_mail_802C4C8.c
+++ b/src/wonder_mail_802C4C8.c
@@ -80,14 +80,14 @@ u32 sub_802C598(bool8 a0)
 
 u8 GetPelipperBoardSlotIndex(void)
 {
-    return gUnknown_203B2E8->pelipperBoardSlots[(gUnknown_203B2E8->unk8.s0.input.unk1E * gUnknown_203B2E8->unk8.s0.input.unk1C) + gUnknown_203B2E8->unk8.s0.input.menuIndex];
+    return gUnknown_203B2E8->pelipperBoardSlots[(gUnknown_203B2E8->unk8.s0.input.unk1E * gUnknown_203B2E8->unk8.s0.input.entriesPerPage) + gUnknown_203B2E8->unk8.s0.input.menuIndex];
 }
 
 void sub_802C640(bool8 cursorSprite)
 {
     ResetUnusedInputStruct();
     ShowWindows(&gUnknown_203B2E8->unk8.s0.windows, FALSE, FALSE);
-    gUnknown_203B2E8->unk8.s0.input.unk22 = CountAcceptedJobs();
+    gUnknown_203B2E8->unk8.s0.input.totalEntriesCount = CountAcceptedJobs();
     sub_8013984(&gUnknown_203B2E8->unk8.s0.input);
     sub_802C6DC();
     DrawJobListMenu();
@@ -138,7 +138,7 @@ void DrawJobListMenu(void)
     sub_8012BC4(x, 0, gUnknown_203B2E8->unk8.s0.input.unk1E + 1, 2, 7, gUnknown_203B2E8->unk8.s0.winId);
 
     for (i = 0;  i < gUnknown_203B2E8->unk8.s0.input.unk1A; i++) {
-        mail = GetJobSlotInfo(gUnknown_203B2E8->pelipperBoardSlots[(gUnknown_203B2E8->unk8.s0.input.unk1E * gUnknown_203B2E8->unk8.s0.input.unk1C) + i]);
+        mail = GetJobSlotInfo(gUnknown_203B2E8->pelipperBoardSlots[(gUnknown_203B2E8->unk8.s0.input.unk1E * gUnknown_203B2E8->unk8.s0.input.entriesPerPage) + i]);
         local.unk0[0] = gUnknown_203B2E8->unk8.s0.winId;
         local.y = GetMenuEntryYCoord(&gUnknown_203B2E8->unk8.s0.input, i);
         sub_803B35C(mail, &local);
diff --git a/src/wonder_mail_802CDD4.c b/src/wonder_mail_802CDD4.c
index 4166e777d..314886bd0 100644
--- a/src/wonder_mail_802CDD4.c
+++ b/src/wonder_mail_802CDD4.c
@@ -64,7 +64,7 @@ u32 sub_802CE5C(bool8 a0)
 
 u8 sub_802CEBC(void)
 {
-    return (sUnknown_203B2F4->s0.input.unk1E * sUnknown_203B2F4->s0.input.unk1C) + sUnknown_203B2F4->s0.input.menuIndex;
+    return (sUnknown_203B2F4->s0.input.unk1E * sUnknown_203B2F4->s0.input.entriesPerPage) + sUnknown_203B2F4->s0.input.menuIndex;
 }
 
 void sub_802CED8(bool8 cursorSprite)
@@ -118,7 +118,7 @@ void sub_802CFD0(void)
     sub_8012BC4(r5, 0, sUnknown_203B2F4->s0.input.unk1E + 1, 2, 7, sUnknown_203B2F4->s0.winId);
 
     for (r5 = 0; r5 < sUnknown_203B2F4->s0.input.unk1A; r5++) {
-        iVar1 = sub_803B344((sUnknown_203B2F4->s0.input.unk1E * sUnknown_203B2F4->s0.input.unk1C) + r5);
+        iVar1 = sub_803B344((sUnknown_203B2F4->s0.input.unk1E * sUnknown_203B2F4->s0.input.entriesPerPage) + r5);
 
         local.unk0[0] = sUnknown_203B2F4->s0.winId;
         local.y = GetMenuEntryYCoord(&sUnknown_203B2F4->s0.input, r5);
diff --git a/src/world_map.c b/src/world_map.c
index 7665fe396..5e287806e 100644
--- a/src/world_map.c
+++ b/src/world_map.c
@@ -552,12 +552,12 @@ static bool8 PlayerEnterDungeonPrompt_Async(u8 *str)
 
     menuInput.menuIndex = 1;
     menuInput.unk1A = 2;
-    menuInput.unk1C = 2;
+    menuInput.entriesPerPage = 2;
     menuInput.unk1E = 0;
     menuInput.unk20 = 0;
     menuInput.unk4 = 0;
     menuInput.firstEntryY = 0;
-    menuInput.unk0 = 1;
+    menuInput.windowId = 1;
     menuInput.unkC = 0;
     menuInput.unkE = 0;
     menuInput.unk14.x = 0;
diff --git a/sym_ewram_init.txt b/sym_ewram_init.txt
index 4b1edfb43..dde3c7dd1 100644
--- a/sym_ewram_init.txt
+++ b/sym_ewram_init.txt
@@ -42,7 +42,7 @@
 .include "src/iq_skill_info_menu.o"
 .include "src/code_801C8C4.o"
 .include "src/code_801D014.o"
-.include "src/code_801D9E4.o"
+.include "src/debug_field_map_window.o"
 .include "src/options_menu1.o"
 .include "src/options_menu2.o"
 .include "src/hints_menu1.o"