diff --git a/asm/non_matching/subtask2/sub_080A7040.inc b/asm/non_matching/subtask2/sub_080A7040.inc
deleted file mode 100644
index d580cb08..00000000
--- a/asm/non_matching/subtask2/sub_080A7040.inc
+++ /dev/null
@@ -1,47 +0,0 @@
-	.syntax unified
-	push {r4, r5, lr}
-	adds r5, r0, #0
-	ldr r1, _080A7090 @ =gMenu
-	ldrh r0, [r1, #0x2e]
-	cmp r0, r5
-	beq _080A708C
-	strh r5, [r1, #0x2e]
-	ldr r4, _080A7094 @ =gUnk_02022130
-	movs r1, #0xc0
-	lsls r1, r1, #2
-	adds r0, r4, #0
-	bl MemClear
-	ldr r0, _080A7098 @ =0xFFFFFE00
-	adds r4, r4, r0
-	ldr r1, _080A709C @ =0x0600E000
-	movs r2, #0x80
-	lsls r2, r2, #4
-	adds r0, r4, #0
-	bl MemCopy
-	ldr r1, _080A70A0 @ =gUnk_08128D70
-	lsls r0, r5, #3
-	adds r4, r0, r1
-	ldrb r0, [r4]
-	bl GetInventoryValue
-	cmp r0, #0
-	beq _080A7082
-	ldrh r0, [r4, #6]
-	ldr r1, _080A70A4 @ =gUnk_08129004
-	bl sub_0805F46C
-_080A7082:
-	ldr r0, _080A70A8 @ =gScreen
-	movs r1, #3
-	strh r1, [r0, #0x18]
-	movs r1, #1
-	strh r1, [r0, #0x1a]
-_080A708C:
-	pop {r4, r5, pc}
-	.align 2, 0
-_080A7090: .4byte gMenu
-_080A7094: .4byte gUnk_02022130
-_080A7098: .4byte 0xFFFFFE00
-_080A709C: .4byte 0x0600E000
-_080A70A0: .4byte gUnk_08128D70
-_080A70A4: .4byte gUnk_08129004
-_080A70A8: .4byte gScreen
-	.syntax divided
diff --git a/src/subtask2.c b/src/subtask2.c
index 0fd102bc..995d1683 100644
--- a/src/subtask2.c
+++ b/src/subtask2.c
@@ -99,6 +99,18 @@ typedef struct {
 } gUnk_08128DE8_struct;
 extern gUnk_08128DE8_struct gUnk_08128DE8[];
 
+typedef struct {
+    u8 unk0;
+    u8 unk1;
+    u8 unk2;
+    u8 unk3;
+    u8 unk4;
+    s8 unk5;
+    u16 unk6;
+} struct_gUnk_08128D70;
+
+extern const struct_gUnk_08128D70 gUnk_08128D70[];
+
 ASM_FUNC("asm/non_matching/subtask2/sub_080A5594.inc", void sub_080A5594())
 
 ASM_FUNC("asm/non_matching/subtask2/sub_080A56A0.inc", void sub_080A56A0())
@@ -776,7 +788,20 @@ void sub_080A6F6C(u32 param_1) {
 
 ASM_FUNC("asm/non_matching/subtask2/sub_080A6FB4.inc", void sub_080A6FB4(u32 a, u32 b))
 
-ASM_FUNC("asm/non_matching/subtask2/sub_080A7040.inc", void sub_080A7040(u32 a))
+void sub_080A7040(u32 param_1) {
+    extern Font gUnk_08129004;
+    extern u8 gUnk_02022130[];
+    if (gGenericMenu.unk2e.HWORD != param_1) {
+        gGenericMenu.unk2e.HWORD = param_1;
+        MemClear(gUnk_02022130, 0x300);
+        MemCopy(gUnk_02022130 - 0x200, (void*)0x600e000, 0x800);
+        if (GetInventoryValue(gUnk_08128D70[param_1].unk0) != 0) {
+            sub_0805F46C(gUnk_08128D70[param_1].unk6, &gUnk_08129004);
+        }
+        gScreen.bg1.yOffset = 3;
+        gScreen.bg1.updated = 1;
+    }
+}
 
 ASM_FUNC("asm/non_matching/subtask2/sub_080A70AC.inc", void sub_080A70AC(const KeyButtonLayout* layout))
 
@@ -787,12 +812,12 @@ void SetMenuType(u32 menuType) {
 }
 
 void ResetUI(void) {
-    MemClear(&gUI, 0x3b4);
+    MemClear(&gUI, sizeof(gUI));
 }
 
 void MenuFadeIn(u32 param_1, u32 param_2) {
     if (gUI.nextToLoad == 0) {
-        MemClear(&gUI, 0x3b4);
+        MemClear(&gUI, sizeof(gUI));
         gUI.lastState = param_1;
         gUI.field_0x3 = param_2;
         gUI.pauseFadeIn = gMain.substate;