From 4db83e00971029fe97282496f76432e3c88d1ba7 Mon Sep 17 00:00:00 2001
From: PikalaxALT <pikalaxalt@gmail.com>
Date: Mon, 30 Oct 2017 22:20:09 -0400
Subject: [PATCH] through sub_8123F9C

---
 asm/region_map.s     | 37 -------------------------------------
 include/region_map.h |  1 +
 src/region_map.c     | 37 ++++++++++++++++++++++++++++---------
 3 files changed, 29 insertions(+), 46 deletions(-)

diff --git a/asm/region_map.s b/asm/region_map.s
index e6de2a1a25..2d5838488a 100644
--- a/asm/region_map.s
+++ b/asm/region_map.s
@@ -5,43 +5,6 @@
 
 	.text
 
-	thumb_func_start sub_8123F74
-sub_8123F74: @ 8123F74
-	push {lr}
-	lsls r0, 24
-	lsrs r2, r0, 24
-	movs r1, 0
-	ldr r3, =gUnknown_085A1BCC
-_08123F7E:
-	adds r0, r1, r3
-	ldrb r0, [r0]
-	cmp r0, r2
-	bne _08123F90
-	movs r0, 0x1
-	b _08123F98
-	.pool
-_08123F90:
-	adds r1, 0x1
-	cmp r1, 0
-	beq _08123F7E
-	movs r0, 0
-_08123F98:
-	pop {r1}
-	bx r1
-	thumb_func_end sub_8123F74
-
-	thumb_func_start sub_8123F9C
-sub_8123F9C: @ 8123F9C
-	push {lr}
-	lsls r0, 16
-	lsrs r0, 16
-	bl sub_8123EB4
-	lsls r0, 16
-	lsrs r0, 16
-	pop {r1}
-	bx r1
-	thumb_func_end sub_8123F9C
-
 	thumb_func_start sub_8123FB0
 sub_8123FB0: @ 8123FB0
 	push {r4-r6,lr}
diff --git a/include/region_map.h b/include/region_map.h
index cdec23e7a8..9399328b5f 100644
--- a/include/region_map.h
+++ b/include/region_map.h
@@ -300,6 +300,7 @@ enum {
 // Exported ROM declarations
 void sub_8122CF8(struct RegionMap *regionMap, struct BgTemplate *template, bool8 zoomed);
 bool8 sub_8122DB0(void);
+void UpdateRegionMapVideoRegs(void);
 void InitRegionMap(struct RegionMap *regionMap, u8 argument);
 u8 sub_81230AC(void);
 void FreeRegionMapIconResources(void);
diff --git a/src/region_map.c b/src/region_map.c
index db41284afc..a5a84a187a 100644
--- a/src/region_map.c
+++ b/src/region_map.c
@@ -44,16 +44,15 @@ static u8 ProcessRegionMapInput_Full(void);
 static u8 MoveRegionMapCursor_Full(void);
 static u8 ProcessRegionMapInput_Zoomed(void);
 static u8 MoveRegionMapCursor_Zoomed(void);
-void CalcZoomScrollParams(s16 scrollX, s16 scrollY, s16 c, s16 d, u16 e, u16 f, u8 rotation);
-void UpdateRegionMapVideoRegs(void);
+static void CalcZoomScrollParams(s16 scrollX, s16 scrollY, s16 c, s16 d, u16 e, u16 f, u8 rotation);
 u16 GetRegionMapSectionIdAt(u16 x, u16 y);
-void sub_812378C(s16 x, s16 y);
+static void sub_812378C(s16 x, s16 y);
 static void sub_81238AC(void);
 static void sub_8123C00(void);
 static u8 get_flagnr_blue_points(u16 mapSecId);
 u16 sub_8123EB4(u16 mapSecId);
-u16 sub_8123F04(void);
-void sub_8123F30(u16 *x, u16 *y);
+static u16 sub_8123F04(void);
+static void sub_8123F30(u16 *x, u16 *y);
 void sub_8123FB0(void);
 bool32 sub_8123F74(u8 mapSecId);
 void sub_8124238(void);
@@ -73,6 +72,7 @@ extern const u16 gUnknown_085A1B24[][2];
 extern const u16 gUnknown_085A1B84[];
 extern const u16 gUnknown_085A1B8A[];
 extern const struct UCoords16 gUnknown_085A1BAC[];
+extern const u8 gUnknown_085A1BCC[];
 
 // .text
 
@@ -476,7 +476,7 @@ u8 sub_8123514(void)
     return r4;
 }
 
-void CalcZoomScrollParams(s16 scrollX, s16 scrollY, s16 c, s16 d, u16 e, u16 f, u8 rotation)
+static void CalcZoomScrollParams(s16 scrollX, s16 scrollY, s16 c, s16 d, u16 e, u16 f, u8 rotation)
 {
     s32 var1;
     s32 var2;
@@ -499,7 +499,7 @@ void CalcZoomScrollParams(s16 scrollX, s16 scrollY, s16 c, s16 d, u16 e, u16 f,
     gRegionMap->needUpdateVideoRegs = TRUE;
 }
 
-void sub_812378C(s16 x, s16 y)
+static void sub_812378C(s16 x, s16 y)
 {
     gRegionMap->bg2x = (x << 8) + 0x1c00;
     gRegionMap->bg2y = (y << 8) + 0x2400;
@@ -844,7 +844,7 @@ u16 sub_8123EB4(u16 mapSecId)
     return mapSecId;
 }
 
-u16 sub_8123F04(void)
+static u16 sub_8123F04(void)
 {
     s16 idx;
 
@@ -856,7 +856,7 @@ u16 sub_8123F04(void)
     return gUnknown_085A1B8A[idx];
 }
 
-void sub_8123F30(u16 *x, u16 *y)
+static void sub_8123F30(u16 *x, u16 *y)
 {
     u16 idx;
 
@@ -869,3 +869,22 @@ void sub_8123F30(u16 *x, u16 *y)
     *x = gUnknown_085A1BAC[idx].x + MAPCURSOR_X_MIN;
     *y = gUnknown_085A1BAC[idx].y + MAPCURSOR_Y_MIN;
 }
+
+bool32 sub_8123F74(u8 mapSecId)
+{
+    int i;
+
+    for (i = 0; i == 0; i ++)
+    {
+        if (gUnknown_085A1BCC[i] == mapSecId)
+        {
+            return TRUE;
+        }
+    }
+    return FALSE;
+}
+
+u16 sub_8123F9C(u16 mapSecId)
+{
+    return sub_8123EB4(mapSecId);
+}