help_system_812B1E0: through sub_812B754

2 files changed, 61 insertions, 190 deletions

diff --git a/asm/help_system_812B1E0.s b/asm/help_system_812B1E0.s
index 77c196c4e..c41eb680f 100644
--- a/asm/help_system_812B1E0.s
+++ b/asm/help_system_812B1E0.s
@@ -5,196 +5,6 @@
 
 	.text
 
-	thumb_func_start sub_812B614
-sub_812B614: @ 812B614
-	push {r4-r7,lr}
-	mov r7, r8
-	push {r7}
-	sub sp, 0x4
-	mov r8, r0
-	adds r5, r1, 0
-	movs r6, 0
-	ldr r3, _0812B664 @ =gUnknown_845B9E0
-	ldr r0, _0812B668 @ =gUnknown_203B0EC
-	ldrh r1, [r0]
-	lsls r0, r1, 2
-	ldr r2, _0812B66C @ =gUnknown_3005E9C
-	adds r0, r1
-	ldrb r2, [r2, 0x1]
-	adds r0, r2
-	lsls r0, 2
-	adds r0, r3
-	ldr r3, [r0]
-	movs r7, 0
-	ldrb r0, [r3]
-	cmp r0, 0xFF
-	beq _0812B6D0
-_0812B640:
-	adds r4, r3, r7
-	ldrb r0, [r4]
-	str r3, [sp]
-	bl sub_812B780
-	lsls r0, 24
-	lsrs r0, 24
-	ldr r3, [sp]
-	cmp r0, 0x1
-	bne _0812B6C2
-	ldr r0, _0812B66C @ =gUnknown_3005E9C
-	ldrb r0, [r0, 0x1]
-	cmp r0, 0
-	bne _0812B674
-	lsls r1, r6, 3
-	adds r1, r5
-	ldr r2, _0812B670 @ =gUnknown_845B0B0
-	b _0812B6AA
-	.align 2, 0
-_0812B664: .4byte gUnknown_845B9E0
-_0812B668: .4byte gUnknown_203B0EC
-_0812B66C: .4byte gUnknown_3005E9C
-_0812B670: .4byte gUnknown_845B0B0
-_0812B674:
-	cmp r0, 0x1
-	bne _0812B684
-	lsls r1, r6, 3
-	adds r1, r5
-	ldr r2, _0812B680 @ =gUnknown_845B218
-	b _0812B6AA
-	.align 2, 0
-_0812B680: .4byte gUnknown_845B218
-_0812B684:
-	cmp r0, 0x2
-	bne _0812B694
-	lsls r1, r6, 3
-	adds r1, r5
-	ldr r2, _0812B690 @ =gUnknown_845B3A0
-	b _0812B6AA
-	.align 2, 0
-_0812B690: .4byte gUnknown_845B3A0
-_0812B694:
-	cmp r0, 0x3
-	bne _0812B6A4
-	lsls r1, r6, 3
-	adds r1, r5
-	ldr r2, _0812B6A0 @ =gUnknown_845B500
-	b _0812B6AA
-	.align 2, 0
-_0812B6A0: .4byte gUnknown_845B500
-_0812B6A4:
-	lsls r1, r6, 3
-	adds r1, r5
-	ldr r2, _0812B744 @ =gUnknown_845B540
-_0812B6AA:
-	ldrb r0, [r4]
-	lsls r0, 2
-	adds r0, r2
-	ldr r0, [r0]
-	str r0, [r1]
-	lsls r0, r6, 3
-	adds r0, r5
-	ldrb r1, [r4]
-	str r1, [r0, 0x4]
-	adds r0, r6, 0x1
-	lsls r0, 24
-	lsrs r6, r0, 24
-_0812B6C2:
-	adds r0, r7, 0x1
-	lsls r0, 24
-	lsrs r7, r0, 24
-	adds r0, r3, r7
-	ldrb r0, [r0]
-	cmp r0, 0xFF
-	bne _0812B640
-_0812B6D0:
-	bl sub_812B754
-	lsls r0, 24
-	lsrs r0, 24
-	cmp r0, 0x1
-	bne _0812B710
-	movs r7, 0
-	ldr r3, _0812B748 @ =gUnknown_845B9BE
-	ldrb r0, [r3]
-	cmp r0, 0xFF
-	beq _0812B710
-	ldr r4, _0812B74C @ =gUnknown_845B3A0
-_0812B6E8:
-	lsls r1, r6, 3
-	adds r1, r5
-	adds r2, r3, r7
-	ldrb r0, [r2]
-	lsls r0, 2
-	adds r0, r4
-	ldr r0, [r0]
-	str r0, [r1]
-	ldrb r0, [r2]
-	str r0, [r1, 0x4]
-	adds r0, r6, 0x1
-	lsls r0, 24
-	lsrs r6, r0, 24
-	adds r0, r7, 0x1
-	lsls r0, 24
-	lsrs r7, r0, 24
-	adds r0, r3, r7
-	ldrb r0, [r0]
-	cmp r0, 0xFF
-	bne _0812B6E8
-_0812B710:
-	lsls r0, r6, 3
-	adds r0, r5
-	ldr r1, _0812B750 @ =gUnknown_81B2E6F
-	str r1, [r0]
-	movs r1, 0x2
-	negs r1, r1
-	str r1, [r0, 0x4]
-	adds r0, r6, 0x1
-	lsls r0, 24
-	lsrs r6, r0, 24
-	movs r1, 0
-	mov r0, r8
-	strh r6, [r0, 0x4]
-	movs r0, 0x7
-	mov r2, r8
-	strh r0, [r2, 0x6]
-	strb r1, [r2, 0x8]
-	movs r0, 0x15
-	strb r0, [r2, 0x9]
-	add sp, 0x4
-	pop {r3}
-	mov r8, r3
-	pop {r4-r7}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0812B744: .4byte gUnknown_845B540
-_0812B748: .4byte gUnknown_845B9BE
-_0812B74C: .4byte gUnknown_845B3A0
-_0812B750: .4byte gUnknown_81B2E6F
-	thumb_func_end sub_812B614
-
-	thumb_func_start sub_812B754
-sub_812B754: @ 812B754
-	push {lr}
-	movs r0, 0x96
-	lsls r0, 3
-	bl FlagGet
-	lsls r0, 24
-	lsrs r0, 24
-	cmp r0, 0x1
-	bne _0812B778
-	ldr r0, _0812B774 @ =gUnknown_3005E9C
-	ldrb r0, [r0, 0x1]
-	cmp r0, 0x2
-	bne _0812B778
-	movs r0, 0x1
-	b _0812B77A
-	.align 2, 0
-_0812B774: .4byte gUnknown_3005E9C
-_0812B778:
-	movs r0, 0
-_0812B77A:
-	pop {r1}
-	bx r1
-	thumb_func_end sub_812B754
-
 	thumb_func_start sub_812B780
 sub_812B780: @ 812B780
 	push {r4,r5,lr}
diff --git a/src/help_system_812B1E0.c b/src/help_system_812B1E0.c
index 68ca6adb6..a6edae3bd 100644
--- a/src/help_system_812B1E0.c
+++ b/src/help_system_812B1E0.c
@@ -19,14 +19,27 @@ bool32 sub_812B27C(const u16 * mapIdxs);
 void sub_812B4B8(void);
 void sub_812B520(struct HelpSystemStruct_203F190 * a0, struct ListMenuItem * a1);
 void sub_812B614(struct HelpSystemStruct_203F190 * a0, struct ListMenuItem * a1);
+bool8 sub_812B754(void);
+bool8 sub_812B780(u8);
 void sub_812BF9C(struct HelpSystemStruct_203F190 * a0, struct ListMenuItem * a1);
 void sub_812BF74(const u8 *);
 
+// event_scripts.h
+extern const u8 gUnknown_81B2E6F[];
+
 // strings.h
 extern const u8 gUnknown_841DFAC[];
 extern const u8 gUnknown_841DFC9[];
 
+// this file
 extern const u8 *const gUnknown_845B080[];
+extern const u8 *const gUnknown_845B0B0[];
+extern const u8 *const gUnknown_845B218[];
+extern const u8 *const gUnknown_845B3A0[];
+extern const u8 *const gUnknown_845B500[];
+extern const u8 *const gUnknown_845B540[];
+extern const u8 *const gUnknown_845B9E0[];
+extern const u8 gUnknown_845B9BE[];
 extern const u8 gUnknown_845C4B0[];
 extern const u8 gUnknown_845C4B6[][6];
 extern const u16 gUnknown_845C594[]; // marts
@@ -236,3 +249,51 @@ void sub_812B5A8(struct HelpSystemStruct_203F190 * a0, struct ListMenuItem * a1)
     sub_813BDA4(1);
     sub_813BD5C(1);
 }
+
+void sub_812B614(struct HelpSystemStruct_203F190 * a0, struct ListMenuItem * a1)
+{
+    u8 r6 = 0;
+    const u8 * r3 = gUnknown_845B9E0[gUnknown_203B0EC * 5 + gUnknown_3005E9C[1]];
+    u8 i;
+    for (i = 0; r3[i] != 0xFF; i++)
+    {
+        if (sub_812B780(r3[i]) == TRUE)
+        {
+            if (gUnknown_3005E9C[1] == 0)
+                a1[r6].label = gUnknown_845B0B0[r3[i]];
+            else if (gUnknown_3005E9C[1] == 1)
+                a1[r6].label = gUnknown_845B218[r3[i]];
+            else if (gUnknown_3005E9C[1] == 2)
+                a1[r6].label = gUnknown_845B3A0[r3[i]];
+            else if (gUnknown_3005E9C[1] == 3)
+                a1[r6].label = gUnknown_845B500[r3[i]];
+            else
+                a1[r6].label = gUnknown_845B540[r3[i]];
+            a1[r6].index = r3[i];
+            r6++;
+        }
+    }
+    if (sub_812B754() == TRUE)
+    {
+        for (i = 0, r3 = gUnknown_845B9BE; r3[i] != 0xFF; i++)
+        {
+            a1[r6].label = gUnknown_845B3A0[r3[i]];
+            a1[r6].index = r3[i];
+            r6++;
+        }
+    }
+    a1[r6].label = gUnknown_81B2E6F;
+    a1[r6].index = -2;
+    r6++;
+    a0->sub.field_04 = r6;
+    a0->sub.field_06 = 7;
+    a0->sub.field_08 = 0;
+    a0->sub.field_09 = 21;
+}
+
+bool8 sub_812B754(void)
+{
+    if (FlagGet(FLAG_0x4B0) == TRUE && gUnknown_3005E9C[1] == 2)
+        return TRUE;
+    return FALSE;
+}