diff --git a/asm/birch_pc.s b/asm/birch_pc.s
deleted file mode 100644
index 6665d9beb..000000000
--- a/asm/birch_pc.s
+++ /dev/null
@@ -1,234 +0,0 @@
-	.include "asm/macros.inc"
-	.include "constants/constants.inc"
-
-	.syntax unified
-
-	.text
-
-	thumb_func_start ScriptGetPokedexInfo
-ScriptGetPokedexInfo: @ 8137A4C
-	push {lr}
-	ldr r0, =gSpecialVar_0x8004
-	ldrh r0, [r0]
-	cmp r0, 0
-	bne _08137A70
-	movs r0, 0
-	bl sub_80C0844
-	ldr r1, =gSpecialVar_0x8005
-	strh r0, [r1]
-	movs r0, 0x1
-	bl sub_80C0844
-	b _08137A80
-	.pool
-_08137A70:
-	movs r0, 0
-	bl pokedex_count
-	ldr r1, =gSpecialVar_0x8005
-	strh r0, [r1]
-	movs r0, 0x1
-	bl pokedex_count
-_08137A80:
-	ldr r1, =gSpecialVar_0x8006
-	strh r0, [r1]
-	bl IsNationalPokedexEnabled
-	lsls r0, 16
-	lsrs r0, 16
-	pop {r1}
-	bx r1
-	.pool
-	thumb_func_end ScriptGetPokedexInfo
-
-	thumb_func_start GetPokedexRatingText
-GetPokedexRatingText: @ 8137A98
-	push {lr}
-	lsls r0, 16
-	lsrs r0, 16
-	cmp r0, 0x9
-	bhi _08137AA4
-	b _08137BFC
-_08137AA4:
-	cmp r0, 0x13
-	bhi _08137AB0
-	ldr r0, =gUnknown_082A5DAB
-	b _08137C06
-	.pool
-_08137AB0:
-	cmp r0, 0x1D
-	bhi _08137ABC
-	ldr r0, =gUnknown_082A5DF1
-	b _08137C06
-	.pool
-_08137ABC:
-	cmp r0, 0x27
-	bhi _08137AC8
-	ldr r0, =gUnknown_082A5E34
-	b _08137C06
-	.pool
-_08137AC8:
-	cmp r0, 0x31
-	bhi _08137AD4
-	ldr r0, =gUnknown_082A5E83
-	b _08137C06
-	.pool
-_08137AD4:
-	cmp r0, 0x3B
-	bhi _08137AE0
-	ldr r0, =gUnknown_082A5EB9
-	b _08137C06
-	.pool
-_08137AE0:
-	cmp r0, 0x45
-	bhi _08137AEC
-	ldr r0, =gUnknown_082A5EF4
-	b _08137C06
-	.pool
-_08137AEC:
-	cmp r0, 0x4F
-	bhi _08137AF8
-	ldr r0, =gUnknown_082A5F39
-	b _08137C06
-	.pool
-_08137AF8:
-	cmp r0, 0x59
-	bhi _08137B04
-	ldr r0, =gUnknown_082A5F82
-	b _08137C06
-	.pool
-_08137B04:
-	cmp r0, 0x63
-	bhi _08137B10
-	ldr r0, =gUnknown_082A5FB9
-	b _08137C06
-	.pool
-_08137B10:
-	cmp r0, 0x6D
-	bhi _08137B1C
-	ldr r0, =gUnknown_082A6018
-	b _08137C06
-	.pool
-_08137B1C:
-	cmp r0, 0x77
-	bhi _08137B28
-	ldr r0, =gUnknown_082A6061
-	b _08137C06
-	.pool
-_08137B28:
-	cmp r0, 0x81
-	bhi _08137B34
-	ldr r0, =gUnknown_082A609C
-	b _08137C06
-	.pool
-_08137B34:
-	cmp r0, 0x8B
-	bhi _08137B40
-	ldr r0, =gUnknown_082A60D5
-	b _08137C06
-	.pool
-_08137B40:
-	cmp r0, 0x95
-	bhi _08137B4C
-	ldr r0, =gUnknown_082A6124
-	b _08137C06
-	.pool
-_08137B4C:
-	cmp r0, 0x9F
-	bhi _08137B58
-	ldr r0, =gUnknown_082A616F
-	b _08137C06
-	.pool
-_08137B58:
-	cmp r0, 0xA9
-	bhi _08137B64
-	ldr r0, =gUnknown_082A61D6
-	b _08137C06
-	.pool
-_08137B64:
-	cmp r0, 0xB3
-	bhi _08137B70
-	ldr r0, =gUnknown_082A623A
-	b _08137C06
-	.pool
-_08137B70:
-	cmp r0, 0xBD
-	bhi _08137B7C
-	ldr r0, =gUnknown_082A6287
-	b _08137C06
-	.pool
-_08137B7C:
-	cmp r0, 0xC7
-	bls _08137BEA
-	cmp r0, 0xC8
-	bne _08137BB8
-	ldr r0, =0x00000199
-	bl SpeciesToNationalPokedexNum
-	lsls r0, 16
-	lsrs r0, 16
-	movs r1, 0x1
-	bl GetSetPokedexFlag
-	lsls r0, 24
-	cmp r0, 0
-	bne _08137BEA
-	movs r0, 0xCD
-	lsls r0, 1
-	bl SpeciesToNationalPokedexNum
-	lsls r0, 16
-	lsrs r0, 16
-	movs r1, 0x1
-	bl GetSetPokedexFlag
-	lsls r0, 24
-	cmp r0, 0
-	bne _08137BEA
-	b _08137C04
-	.pool
-_08137BB8:
-	cmp r0, 0xC9
-	bne _08137BF8
-	ldr r0, =0x00000199
-	bl SpeciesToNationalPokedexNum
-	lsls r0, 16
-	lsrs r0, 16
-	movs r1, 0x1
-	bl GetSetPokedexFlag
-	lsls r0, 24
-	cmp r0, 0
-	beq _08137C04
-	movs r0, 0xCD
-	lsls r0, 1
-	bl SpeciesToNationalPokedexNum
-	lsls r0, 16
-	lsrs r0, 16
-	movs r1, 0x1
-	bl GetSetPokedexFlag
-	lsls r0, 24
-	cmp r0, 0
-	beq _08137C04
-_08137BEA:
-	ldr r0, =gUnknown_082A62C9
-	b _08137C06
-	.pool
-_08137BF8:
-	cmp r0, 0xCA
-	beq _08137C04
-_08137BFC:
-	ldr r0, =gUnknown_082A5D6C
-	b _08137C06
-	.pool
-_08137C04:
-	ldr r0, =gUnknown_082A6312
-_08137C06:
-	pop {r1}
-	bx r1
-	.pool
-	thumb_func_end GetPokedexRatingText
-
-	thumb_func_start ShowPokedexRatingMessage
-ShowPokedexRatingMessage: @ 8137C10
-	push {lr}
-	ldr r0, =gSpecialVar_0x8004
-	ldrh r0, [r0]
-	bl GetPokedexRatingText
-	bl ShowFieldMessage
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end ShowPokedexRatingMessage
diff --git a/data/battle_frontier_1.s b/data/battle_frontier_1.s
index 34e8df6d2..e2eb99505 100644
--- a/data/battle_frontier_1.s
+++ b/data/battle_frontier_1.s
@@ -1872,24 +1872,24 @@ gUnknown_0860F010:: @ 860F010
 	.2byte FLAG_BADGE08_GET
 
 gUnknown_0860F020:: @ 860F020
-	.4byte gUnknown_082A5D6C
-	.4byte gUnknown_082A5DAB
-	.4byte gUnknown_082A5DF1
-	.4byte gUnknown_082A5E34
-	.4byte gUnknown_082A5E83
-	.4byte gUnknown_082A5EB9
-	.4byte gUnknown_082A5EF4
-	.4byte gUnknown_082A5F39
-	.4byte gUnknown_082A5F82
-	.4byte gUnknown_082A5FB9
-	.4byte gUnknown_082A6018
-	.4byte gUnknown_082A6061
-	.4byte gUnknown_082A609C
-	.4byte gUnknown_082A60D5
-	.4byte gUnknown_082A6124
-	.4byte gUnknown_082A616F
-	.4byte gUnknown_082A61D6
-	.4byte gUnknown_082A623A
-	.4byte gUnknown_082A6287
-	.4byte gUnknown_082A62C9
-	.4byte gUnknown_082A6312
+	.4byte gBirchDexRatingText_LessThan10
+	.4byte gBirchDexRatingText_LessThan20
+	.4byte gBirchDexRatingText_LessThan30
+	.4byte gBirchDexRatingText_LessThan40
+	.4byte gBirchDexRatingText_LessThan50
+	.4byte gBirchDexRatingText_LessThan60
+	.4byte gBirchDexRatingText_LessThan70
+	.4byte gBirchDexRatingText_LessThan80
+	.4byte gBirchDexRatingText_LessThan90
+	.4byte gBirchDexRatingText_LessThan100
+	.4byte gBirchDexRatingText_LessThan110
+	.4byte gBirchDexRatingText_LessThan120
+	.4byte gBirchDexRatingText_LessThan130
+	.4byte gBirchDexRatingText_LessThan140
+	.4byte gBirchDexRatingText_LessThan150
+	.4byte gBirchDexRatingText_LessThan160
+	.4byte gBirchDexRatingText_LessThan170
+	.4byte gBirchDexRatingText_LessThan180
+	.4byte gBirchDexRatingText_LessThan190
+	.4byte gBirchDexRatingText_LessThan200
+	.4byte gBirchDexRatingText_DexCompleted
diff --git a/data/text/pokedex_rating.inc b/data/text/pokedex_rating.inc
index 735488b37..666c90867 100644
--- a/data/text/pokedex_rating.inc
+++ b/data/text/pokedex_rating.inc
@@ -12,99 +12,99 @@ gUnknown_082A5D2C:: @ 82A5D2C
 	.string "So, you’ve seen {STR_VAR_1} POKéMON,\n"
 	.string "and you’ve caught {STR_VAR_2} POKéMON…$"
 
-gUnknown_082A5D6C:: @ 82A5D6C
+gBirchDexRatingText_LessThan10:: @ 82A5D6C
 	.string "Go into grassy areas more and look\n"
 	.string "for POKéMON more carefully.$"
 
-gUnknown_082A5DAB:: @ 82A5DAB
+gBirchDexRatingText_LessThan20:: @ 82A5DAB
 	.string "I guess you’re getting the hang\n"
 	.string "of it. But, it gets harder from here.$"
 
-gUnknown_082A5DF1:: @ 82A5DF1
+gBirchDexRatingText_LessThan30:: @ 82A5DF1
 	.string "Some POKéMON only appear in\n"
 	.string "certain areas.\l"
 	.string "You must be persistent.$"
 
-gUnknown_082A5E34:: @ 82A5E34
+gBirchDexRatingText_LessThan40:: @ 82A5E34
 	.string "Well, it could use more quantity,\n"
 	.string "but this is looking more like\l"
 	.string "a POKéDEX now.$"
 
-gUnknown_082A5E83:: @ 82A5E83
+gBirchDexRatingText_LessThan50:: @ 82A5E83
 	.string "This is coming along pretty good.\n"
 	.string "Keep up the effort.$"
 
-gUnknown_082A5EB9:: @ 82A5EB9
+gBirchDexRatingText_LessThan60:: @ 82A5EB9
 	.string "Are you using any RODS?\n"
 	.string "There are many POKéMON in the sea.$"
 
-gUnknown_082A5EF4:: @ 82A5EF4
+gBirchDexRatingText_LessThan70:: @ 82A5EF4
 	.string "Instead of just catching POKéMON,\n"
 	.string "how about making them evolve, too?$"
 
-gUnknown_082A5F39:: @ 82A5F39
+gBirchDexRatingText_LessThan80:: @ 82A5F39
 	.string "This is going to be a fantastic\n"
 	.string "POKéDEX.\l"
 	.string "That’s the feeling I’m getting.$"
 
-gUnknown_082A5F82:: @ 82A5F82
+gBirchDexRatingText_LessThan90:: @ 82A5F82
 	.string "You’ve collected this many…\n"
 	.string "Your talent is remarkable!$"
 
-gUnknown_082A5FB9:: @ 82A5FB9
+gBirchDexRatingText_LessThan100:: @ 82A5FB9
 	.string "Have you visited the SAFARI ZONE?\p"
 	.string "I hear there are some POKéMON that\n"
 	.string "can only be caught there.$"
 
-gUnknown_082A6018:: @ 82A6018
+gBirchDexRatingText_LessThan110:: @ 82A6018
 	.string "You’ve finally reached\n"
 	.string "the 100-kind mark.\p"
 	.string "This is an impressive POKéDEX!$"
 
-gUnknown_082A6061:: @ 82A6061
+gBirchDexRatingText_LessThan120:: @ 82A6061
 	.string "There might be POKéMON that can be\n"
 	.string "found using ROCK SMASH.$"
 
-gUnknown_082A609C:: @ 82A609C
+gBirchDexRatingText_LessThan130:: @ 82A609C
 	.string "You should get some more POKéMON\n"
 	.string "by trading with others.$"
 
-gUnknown_082A60D5:: @ 82A60D5
+gBirchDexRatingText_LessThan140:: @ 82A60D5
 	.string "I’ve heard of POKéMON that evolve\n"
 	.string "when they come to fully love their\l"
 	.string "TRAINERS.$"
 
-gUnknown_082A6124:: @ 82A6124
+gBirchDexRatingText_LessThan150:: @ 82A6124
 	.string "I had no idea that there were so\n"
 	.string "many POKéMON species in the HOENN\l"
 	.string "region.$"
 
-gUnknown_082A616F:: @ 82A616F
+gBirchDexRatingText_LessThan160:: @ 82A616F
 	.string "On occasion, some POKéMON appear\n"
 	.string "in large numbers like outbreaks.\p"
 	.string "Don’t miss opportunities like\n"
 	.string "those.$"
 
-gUnknown_082A61D6:: @ 82A61D6
+gBirchDexRatingText_LessThan170:: @ 82A61D6
 	.string "One can get a very good idea about\n"
 	.string "the POKéMON of the HOENN region\l"
 	.string "by looking through your POKéDEX.$"
 
-gUnknown_082A623A:: @ 82A623A
+gBirchDexRatingText_LessThan180:: @ 82A623A
 	.string "I would say you already qualify as\n"
 	.string "a POKéMON PROFESSOR, and a good\l"
 	.string "one, too!$"
 
-gUnknown_082A6287:: @ 82A6287
+gBirchDexRatingText_LessThan190:: @ 82A6287
 	.string "With a POKéDEX this complete,\n"
 	.string "you’re a real professional at this!$"
 
-gUnknown_082A62C9:: @ 82A62C9
+gBirchDexRatingText_LessThan200:: @ 82A62C9
 	.string "You’re very close to completing\n"
 	.string "this POKéDEX.\l"
 	.string "I can feel it in my bones!$"
 
-gUnknown_082A6312:: @ 82A6312
+gBirchDexRatingText_DexCompleted:: @ 82A6312
 	.string "Congratulations!\n"
 	.string "Your POKéDEX is complete!$"
 
diff --git a/ld_script.txt b/ld_script.txt
index 81911e574..bf52fc49f 100644
--- a/ld_script.txt
+++ b/ld_script.txt
@@ -183,7 +183,7 @@ SECTIONS {
         asm/fldeff_flash.o(.text);
         asm/post_battle_event_funcs.o(.text);
         src/time_events.o(.text);
-        asm/birch_pc.o(.text);
+        src/birch_pc.o(.text);
         src/hof_pc.o(.text);
         asm/field_specials.o(.text);
         asm/battle_records.o(.text);
diff --git a/src/birch_pc.c b/src/birch_pc.c
new file mode 100644
index 000000000..bc8095592
--- /dev/null
+++ b/src/birch_pc.c
@@ -0,0 +1,114 @@
+#include "global.h"
+#include "event_data.h"
+#include "field_message_box.h"
+#include "pokedex.h"
+#include "constants/species.h"
+
+extern u16 gSpecialVar_0x8004;
+extern u16 gSpecialVar_0x8005;
+extern u16 gSpecialVar_0x8006;
+
+extern const u8 gBirchDexRatingText_LessThan10[];
+extern const u8 gBirchDexRatingText_LessThan20[];
+extern const u8 gBirchDexRatingText_LessThan30[];
+extern const u8 gBirchDexRatingText_LessThan40[];
+extern const u8 gBirchDexRatingText_LessThan50[];
+extern const u8 gBirchDexRatingText_LessThan60[];
+extern const u8 gBirchDexRatingText_LessThan70[];
+extern const u8 gBirchDexRatingText_LessThan80[];
+extern const u8 gBirchDexRatingText_LessThan90[];
+extern const u8 gBirchDexRatingText_LessThan100[];
+extern const u8 gBirchDexRatingText_LessThan110[];
+extern const u8 gBirchDexRatingText_LessThan120[];
+extern const u8 gBirchDexRatingText_LessThan130[];
+extern const u8 gBirchDexRatingText_LessThan140[];
+extern const u8 gBirchDexRatingText_LessThan150[];
+extern const u8 gBirchDexRatingText_LessThan160[];
+extern const u8 gBirchDexRatingText_LessThan170[];
+extern const u8 gBirchDexRatingText_LessThan180[];
+extern const u8 gBirchDexRatingText_LessThan190[];
+extern const u8 gBirchDexRatingText_LessThan200[];
+extern const u8 gBirchDexRatingText_DexCompleted[];
+
+bool16 ScriptGetPokedexInfo(void)
+{
+    if (gSpecialVar_0x8004 == 0) // is national dex not present?
+    {
+        gSpecialVar_0x8005 = sub_80C0844(0);
+        gSpecialVar_0x8006 = sub_80C0844(1);
+    }
+    else
+    {
+        gSpecialVar_0x8005 = pokedex_count(0);
+        gSpecialVar_0x8006 = pokedex_count(1);
+    }
+
+    return IsNationalPokedexEnabled();
+}
+
+// This shows your Hoenn Pokedex rating and not your National Dex.
+const u8 *GetPokedexRatingText(u16 count)
+{
+    if (count < 10)
+        return gBirchDexRatingText_LessThan10;
+    if (count < 20)
+        return gBirchDexRatingText_LessThan20;
+    if (count < 30)
+        return gBirchDexRatingText_LessThan30;
+    if (count < 40)
+        return gBirchDexRatingText_LessThan40;
+    if (count < 50)
+        return gBirchDexRatingText_LessThan50;
+    if (count < 60)
+        return gBirchDexRatingText_LessThan60;
+    if (count < 70)
+        return gBirchDexRatingText_LessThan70;
+    if (count < 80)
+        return gBirchDexRatingText_LessThan80;
+    if (count < 90)
+        return gBirchDexRatingText_LessThan90;
+    if (count < 100)
+        return gBirchDexRatingText_LessThan100;
+    if (count < 110)
+        return gBirchDexRatingText_LessThan110;
+    if (count < 120)
+        return gBirchDexRatingText_LessThan120;
+    if (count < 130)
+        return gBirchDexRatingText_LessThan130;
+    if (count < 140)
+        return gBirchDexRatingText_LessThan140;
+    if (count < 150)
+        return gBirchDexRatingText_LessThan150;
+    if (count < 160)
+        return gBirchDexRatingText_LessThan160;
+    if (count < 170)
+        return gBirchDexRatingText_LessThan170;
+    if (count < 180)
+        return gBirchDexRatingText_LessThan180;
+    if (count < 190)
+        return gBirchDexRatingText_LessThan190;
+    if (count < 200)
+        return gBirchDexRatingText_LessThan200;
+    if (count == 200)
+    {
+        if (GetSetPokedexFlag(SpeciesToNationalPokedexNum(SPECIES_JIRACHI), 1)
+         || GetSetPokedexFlag(SpeciesToNationalPokedexNum(SPECIES_DEOXYS), 1)) // Jirachi or Deoxys is not counted towards the dex completion. If either of these flags are enabled, it means the actual count is less than 200.
+            return gBirchDexRatingText_LessThan200;
+        return gBirchDexRatingText_DexCompleted;
+    }
+    if (count == 201)
+    {
+        if (GetSetPokedexFlag(SpeciesToNationalPokedexNum(SPECIES_JIRACHI), 1)
+         && GetSetPokedexFlag(SpeciesToNationalPokedexNum(SPECIES_DEOXYS), 1)) // If both of these flags are enabled, it means the actual count is less than 200.
+            return gBirchDexRatingText_LessThan200;
+        return gBirchDexRatingText_DexCompleted;
+    }
+    if (count == 202)
+        return gBirchDexRatingText_DexCompleted; // Hoenn dex is considered complete, even though the hoenn dex count is 210.
+    return gBirchDexRatingText_LessThan10;
+}
+
+void ShowPokedexRatingMessage(void)
+{
+    ShowFieldMessage(GetPokedexRatingText(gSpecialVar_0x8004));
+}