sub_8146884

asm/mevent_8145654.s

@@ -5,140 +5,6 @@
 
 	.text
 
-	thumb_func_start sub_8146884
-sub_8146884: @ 8146884
-	push {r4-r6,lr}
-	lsls r0, 16
-	lsrs r4, r0, 16
-	adds r3, r4, 0
-	ldr r2, =gUnknown_203F3CC
-	ldr r0, [r2]
-	mov r12, r0
-	movs r0, 0xE1
-	lsls r0, 1
-	add r0, r12
-	ldrb r1, [r0]
-	movs r5, 0x1
-	adds r0, r5, 0
-	ands r0, r1
-	adds r6, r2, 0
-	cmp r0, 0
-	beq _081468B4
-	bl sub_8146B58
-_081468AA:
-	movs r0, 0xFF
-	b _0814697A
-	.pool
-_081468B4:
-	cmp r4, 0x2
-	beq _081468D0
-	cmp r4, 0x2
-	bgt _081468C2
-	cmp r4, 0x1
-	beq _081468CC
-	b _081468AA
-_081468C2:
-	cmp r3, 0x40
-	beq _081468D4
-	cmp r3, 0x80
-	beq _08146904
-	b _081468AA
-_081468CC:
-	movs r0, 0
-	b _0814697A
-_081468D0:
-	movs r0, 0x1
-	b _0814697A
-_081468D4:
-	movs r0, 0xE3
-	lsls r0, 1
-	add r0, r12
-	ldrh r0, [r0]
-	cmp r0, 0
-	beq _081468AA
-	movs r0, 0xE0
-	lsls r0, 1
-	add r0, r12
-	ldrb r1, [r0]
-	adds r0, r5, 0
-	ands r0, r1
-	cmp r0, 0
-	bne _081468AA
-	ldr r2, =0x000001c3
-	add r2, r12
-	ldrb r1, [r2]
-	movs r0, 0x2
-	negs r0, r0
-	ands r0, r1
-	b _08146932
-	.pool
-_08146904:
-	movs r0, 0xE3
-	lsls r0, 1
-	add r0, r12
-	movs r1, 0xE2
-	lsls r1, 1
-	add r1, r12
-	ldrh r0, [r0]
-	ldrh r1, [r1]
-	cmp r0, r1
-	beq _081468AA
-	movs r0, 0xE0
-	lsls r0, 1
-	add r0, r12
-	ldrb r1, [r0]
-	adds r0, r5, 0
-	ands r0, r1
-	cmp r0, 0
-	bne _081468AA
-	ldr r2, =0x000001c3
-	add r2, r12
-	ldrb r0, [r2]
-	movs r1, 0x1
-	orrs r0, r1
-_08146932:
-	strb r0, [r2]
-	ldr r2, [r6]
-	movs r4, 0xE1
-	lsls r4, 1
-	adds r2, r4
-	ldrb r0, [r2]
-	movs r1, 0x1
-	orrs r0, r1
-	strb r0, [r2]
-	ldr r3, [r6]
-	adds r3, r4
-	ldrb r1, [r3]
-	movs r2, 0x1
-	adds r0, r2, 0
-	ands r0, r1
-	movs r1, 0x4
-	orrs r0, r1
-	strb r0, [r3]
-	ldr r1, [r6]
-	adds r4, 0x1
-	adds r1, r4
-	ldrb r3, [r1]
-	adds r0, r2, 0
-	ands r0, r3
-	strb r0, [r1]
-	ldr r0, [r6]
-	adds r0, r4
-	ldrb r0, [r0]
-	ands r2, r0
-	cmp r2, 0
-	beq _08146978
-	movs r0, 0x3
-	b _0814697A
-	.pool
-_08146978:
-	movs r0, 0x2
-_0814697A:
-	pop {r4-r6}
-	pop {r1}
-	bx r1
-	thumb_func_end sub_8146884
-
 	thumb_func_start sub_8146980
 sub_8146980: @ 8146980
 	push {r4-r6,lr}

src/mevent_8145654.c

@@ -456,9 +456,13 @@ struct UnkStruct_203F3CC
     /*0000*/ struct MEventBuffer_3120_Sub unk_0000;
     /*01bc*/ const struct UnkStruct_8468720 * unk_01BC;
     /*01c0*/ u8 unk_01C0_0:1;
-    /*01c0*/ u8 unk_01C0_1:7;
+             u8 unk_01C0_1:7;
     /*01c1*/ u8 unk_01C1;
-    /*01c2*/ u8 filler_01C2[4];
+    /*01c2*/ u8 unk_01C2_0:1;
+             u8 unk_01C2_1:7;
+    /*01c3*/ u8 unk_01C3_0:1;
+             u8 unk_01C3_1:7;
+    /*01c4*/ u16 unk_01C4;
     /*01c6*/ u16 unk_01C6;
     /*01c8*/ u16 unk_01C8[2];
     /*01cc*/ u8 filler_01CC[0x1C8];
@@ -470,6 +474,7 @@ EWRAM_DATA struct UnkStruct_203F3CC * gUnknown_203F3CC = NULL;
 
 void sub_8146980(void);
 void sub_8146A30(void);
+void sub_8146B58(void);
 
 extern const struct TextColor gUnknown_8468038[2];
 extern const struct WindowTemplate gUnknown_8468040[2];
@@ -657,4 +662,43 @@ void sub_8146834(void)
         gUnknown_203F3CC->unk_01C1 = AddScrollIndicatorArrowPair(&gUnknown_203F3CC->unk_0394, &gUnknown_203F3CC->unk_01C6);
         gUnknown_203F3CC->unk_01C0_0 = FALSE;
     }
-}
+}
+
+u8 sub_8146884(u16 input)
+{
+    if (gUnknown_203F3CC->unk_01C2_0)
+    {
+        sub_8146B58();
+        return 0xFF;
+    }
+    switch (input)
+    {
+        case A_BUTTON:
+            return 0;
+        case B_BUTTON:
+            return 1;
+        case DPAD_UP:
+            if (gUnknown_203F3CC->unk_01C6 == 0)
+                return 0xFF;
+            if (gUnknown_203F3CC->unk_01C0_0)
+                return 0xFF;
+            gUnknown_203F3CC->unk_01C3_0 = FALSE;
+            break;
+        case DPAD_DOWN:
+            if (gUnknown_203F3CC->unk_01C6 == gUnknown_203F3CC->unk_01C4)
+                return 0xFF;
+            if (gUnknown_203F3CC->unk_01C0_0)
+                return 0xFF;
+            gUnknown_203F3CC->unk_01C3_0 = TRUE;
+            break;
+        default:
+            return 0xFF;
+    }
+    gUnknown_203F3CC->unk_01C2_0 = TRUE;
+    gUnknown_203F3CC->unk_01C2_1 = 2;
+    gUnknown_203F3CC->unk_01C3_1 = 0;
+    if (gUnknown_203F3CC->unk_01C3_0 == FALSE)
+        return 2;
+    else
+        return 3;
+}