diff --git a/asm/pokedex.s b/asm/pokedex.s
index d28b54651..dc0f49dfc 100644
--- a/asm/pokedex.s
+++ b/asm/pokedex.s
@@ -5,283 +5,6 @@
 
 	.text
 
-	thumb_func_start ResetPokedex
-ResetPokedex: @ 80BB2D0
-	push {r4-r6,lr}
-	ldr r0, =gUnknown_02039B50
-	movs r2, 0
-	strh r2, [r0]
-	ldr r1, =gUnknown_02039B52
-	movs r0, 0x40
-	strb r0, [r1]
-	ldr r0, =gUnknown_030060B0
-	strb r2, [r0]
-	ldr r4, =gSaveBlock2Ptr
-	ldr r0, [r4]
-	movs r1, 0
-	strb r2, [r0, 0x19]
-	ldr r0, [r4]
-	strb r2, [r0, 0x18]
-	ldr r0, [r4]
-	strb r2, [r0, 0x1A]
-	ldr r0, [r4]
-	strb r2, [r0, 0x1B]
-	ldr r0, [r4]
-	str r1, [r0, 0x1C]
-	str r1, [r0, 0x20]
-	str r1, [r0, 0x24]
-	bl DisableNationalPokedex
-	movs r1, 0
-	movs r2, 0
-	ldr r3, =gSaveBlock1Ptr
-	ldr r6, =0x00000988
-	ldr r5, =0x00003b24
-_080BB30C:
-	ldr r0, [r4]
-	adds r0, 0x28
-	adds r0, r1
-	strb r2, [r0]
-	ldr r0, [r4]
-	adds r0, 0x5C
-	adds r0, r1
-	strb r2, [r0]
-	ldr r0, [r3]
-	adds r0, r6
-	adds r0, r1
-	strb r2, [r0]
-	ldr r0, [r3]
-	adds r0, r5
-	adds r0, r1
-	strb r2, [r0]
-	adds r0, r1, 0x1
-	lsls r0, 16
-	lsrs r1, r0, 16
-	cmp r1, 0x33
-	bls _080BB30C
-	pop {r4-r6}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end ResetPokedex
-
-	thumb_func_start sub_80BB358
-sub_80BB358: @ 80BB358
-	ldr r1, =gUnknown_02039B50
-	movs r0, 0
-	strh r0, [r1]
-	ldr r1, =gUnknown_02039B52
-	movs r0, 0x40
-	strb r0, [r1]
-	bx lr
-	.pool
-	thumb_func_end sub_80BB358
-
-	thumb_func_start sub_80BB370
-sub_80BB370: @ 80BB370
-	push {lr}
-	bl LoadOam
-	bl ProcessSpriteCopyRequests
-	bl TransferPlttBuffer
-	pop {r0}
-	bx r0
-	thumb_func_end sub_80BB370
-
-	thumb_func_start sub_80BB384
-sub_80BB384: @ 80BB384
-	push {r4-r7,lr}
-	adds r4, r0, 0
-	movs r3, 0
-	ldr r0, =0x0000ffff
-	adds r7, r0, 0
-	movs r1, 0x2
-	negs r1, r1
-	mov r12, r1
-	movs r6, 0x3
-	negs r6, r6
-	ldr r5, =0x00000181
-_080BB39A:
-	lsls r1, r3, 2
-	adds r1, r4, r1
-	ldrh r0, [r1]
-	orrs r0, r7
-	strh r0, [r1]
-	ldrb r2, [r1, 0x2]
-	mov r0, r12
-	ands r0, r2
-	ands r0, r6
-	strb r0, [r1, 0x2]
-	adds r0, r3, 0x1
-	lsls r0, 16
-	lsrs r3, r0, 16
-	cmp r3, r5
-	bls _080BB39A
-	movs r2, 0xC1
-	lsls r2, 3
-	adds r0, r4, r2
-	movs r2, 0
-	strh r2, [r0]
-	ldr r0, =0x0000060a
-	adds r3, r4, r0
-	ldrb r1, [r3]
-	movs r0, 0x2
-	negs r0, r0
-	ands r0, r1
-	movs r1, 0x3
-	negs r1, r1
-	ands r0, r1
-	strb r0, [r3]
-	ldr r1, =0x0000060c
-	adds r0, r4, r1
-	strh r2, [r0]
-	ldr r3, =0x0000060e
-	adds r0, r4, r3
-	strh r2, [r0]
-	adds r1, 0x4
-	adds r0, r4, r1
-	strh r2, [r0]
-	adds r3, 0x4
-	adds r0, r4, r3
-	strh r2, [r0]
-	adds r1, 0x4
-	adds r0, r4, r1
-	strh r2, [r0]
-	adds r3, 0x4
-	adds r0, r4, r3
-	strh r2, [r0]
-	adds r1, 0x4
-	adds r0, r4, r1
-	strh r2, [r0]
-	adds r3, 0x4
-	adds r0, r4, r3
-	strh r2, [r0]
-	adds r1, 0x4
-	adds r0, r4, r1
-	strh r2, [r0]
-	movs r3, 0
-	ldr r0, =0x0000061e
-	adds r2, r4, r0
-	ldr r1, =0x0000ffff
-	adds r5, r1, 0
-_080BB416:
-	lsls r0, r3, 1
-	adds r0, r2, r0
-	ldrh r1, [r0]
-	orrs r1, r5
-	strh r1, [r0]
-	adds r0, r3, 0x1
-	lsls r0, 16
-	lsrs r3, r0, 16
-	cmp r3, 0x3
-	bls _080BB416
-	movs r2, 0xC5
-	lsls r2, 3
-	adds r0, r4, r2
-	movs r2, 0
-	movs r1, 0
-	strh r1, [r0]
-	ldr r3, =0x0000062a
-	adds r0, r4, r3
-	strh r1, [r0]
-	adds r3, 0x2
-	adds r0, r4, r3
-	strb r2, [r0]
-	adds r3, 0x1
-	adds r0, r4, r3
-	strb r2, [r0]
-	adds r3, 0x1
-	adds r0, r4, r3
-	strb r2, [r0]
-	adds r3, 0x1
-	adds r0, r4, r3
-	strb r2, [r0]
-	movs r2, 0xC6
-	lsls r2, 3
-	adds r0, r4, r2
-	strh r1, [r0]
-	adds r3, 0x3
-	adds r0, r4, r3
-	strh r1, [r0]
-	adds r2, 0x4
-	adds r0, r4, r2
-	strh r1, [r0]
-	adds r3, 0x4
-	adds r0, r4, r3
-	strh r1, [r0]
-	adds r2, 0x4
-	adds r0, r4, r2
-	strh r1, [r0]
-	movs r3, 0
-	ldr r0, =0x0000063a
-	adds r1, r4, r0
-	movs r2, 0
-_080BB47C:
-	lsls r0, r3, 1
-	adds r0, r1, r0
-	strh r2, [r0]
-	adds r0, r3, 0x1
-	lsls r0, 16
-	lsrs r3, r0, 16
-	cmp r3, 0x3
-	bls _080BB47C
-	ldr r1, =0x0000064a
-	adds r0, r4, r1
-	movs r1, 0
-	strb r1, [r0]
-	ldr r2, =0x0000064b
-	adds r0, r4, r2
-	strb r1, [r0]
-	ldr r0, =0x0000064c
-	adds r3, r4, r0
-	ldrb r2, [r3]
-	movs r0, 0x2
-	negs r0, r0
-	ands r0, r2
-	strb r0, [r3]
-	ldr r2, =0x0000064d
-	adds r0, r4, r2
-	strb r1, [r0]
-	ldr r3, =0x0000064e
-	adds r0, r4, r3
-	strb r1, [r0]
-	adds r2, 0x2
-	adds r0, r4, r2
-	strb r1, [r0]
-	adds r3, 0x2
-	adds r0, r4, r3
-	strh r1, [r0]
-	adds r2, 0x3
-	adds r0, r4, r2
-	strh r1, [r0]
-	movs r3, 0
-	ldr r0, =0x00000654
-	adds r1, r4, r0
-	movs r2, 0
-_080BB4CE:
-	adds r0, r1, r3
-	strb r2, [r0]
-	adds r0, r3, 0x1
-	lsls r0, 16
-	lsrs r3, r0, 16
-	cmp r3, 0x7
-	bls _080BB4CE
-	movs r3, 0
-	ldr r2, =0x0000065c
-	adds r1, r4, r2
-	movs r2, 0
-_080BB4E4:
-	adds r0, r1, r3
-	strb r2, [r0]
-	adds r0, r3, 0x1
-	lsls r0, 16
-	lsrs r3, r0, 16
-	cmp r3, 0x7
-	bls _080BB4E4
-	pop {r4-r7}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end sub_80BB384
-
 	thumb_func_start sub_80BB534
 sub_80BB534: @ 80BB534
 	push {r4-r7,lr}
diff --git a/include/global.h b/include/global.h
index 4a71a8a87..1f272f969 100644
--- a/include/global.h
+++ b/include/global.h
@@ -37,6 +37,7 @@
 
 #define PARTY_SIZE 6
 
+#define POKEMON_SLOTS_NUMBER 412
 #define POKEMON_NAME_LENGTH 10
 #define OT_NAME_LENGTH 7
 
diff --git a/src/pokedex.c b/src/pokedex.c
index a74594865..8acc36efb 100644
--- a/src/pokedex.c
+++ b/src/pokedex.c
@@ -6,6 +6,65 @@
 #include "decompress.h"
 #include "bg.h"
 #include "window.h"
+#include "event_data.h"
+#include "palette.h"
+
+extern u16 gUnknown_02039B50;
+extern u8 gUnknown_02039B52;
+
+extern u8 gUnknown_030060B0;
+
+#define NATIONAL_DEX_COUNT 386
+
+struct PokedexListItem
+{
+    u16 dexNum;
+    u16 seen:1;
+    u16 owned:1;
+};
+
+struct PokedexView
+{
+    struct PokedexListItem unk0[NATIONAL_DEX_COUNT];
+    u16 unk608;
+    u8 unk60A_1:1;
+    u8 unk60A_2:1;
+    u8 unk60B;
+    u16 pokemonListCount;
+    u16 selectedPokemon;
+    u16 unk610;
+    u16 dexMode;
+    u16 unk614;
+    u16 dexOrder;
+    u16 unk618;
+    u16 unk61A;
+    u16 unk61C;
+    u16 unk61E[4];
+    u16 selectedMonSpriteId;
+    u16 unk628;
+    u16 unk62A;
+    u8 unk62C;
+    u8 unk62D;
+    u8 unk62E;
+    u8 unk62F;
+    s16 unk630;
+    s16 unk632;
+    u16 unk634;
+    u16 unk636;
+    u16 unk638;
+    u16 unk63A[4];
+    u8 filler642[8];
+    u8 unk64A;
+    u8 unk64B;
+    u8 unk64C_1:1;
+    u8 selectedScreen;
+    u8 unk64E;
+    u8 menuIsOpen;      //menuIsOpen
+    u16 menuCursorPos;     //Menu cursor position
+    s16 menuY;     //Menu Y position (inverted because we use REG_BG0VOFS for this)
+    u8 unk654[8];
+    u8 unk65C[8];
+};
 
 // this file's functions
 void sub_80BE604(struct Sprite *sprite);
@@ -540,3 +599,94 @@ const struct WindowTemplate sWindowTemplates_0855D2A8[] =
     DUMMY_WIN_TEMPLATE
 };
 
+// .text
+
+#define DEX_FLAGS_NO ((POKEMON_SLOTS_NUMBER / 8) + ((POKEMON_SLOTS_NUMBER % 8) ? 1 : 0))
+
+void ResetPokedex(void)
+{
+    u16 i;
+    
+    gUnknown_02039B50 = 0;
+    gUnknown_02039B52 = 64;
+    gUnknown_030060B0 = 0;
+    gSaveBlock2Ptr->pokedex.unknown1 = 0;
+    gSaveBlock2Ptr->pokedex.order = 0;
+    gSaveBlock2Ptr->pokedex.nationalMagic = 0;
+    gSaveBlock2Ptr->pokedex.unknown2 = 0;
+    gSaveBlock2Ptr->pokedex.unownPersonality = 0;
+    gSaveBlock2Ptr->pokedex.spindaPersonality = 0;
+    gSaveBlock2Ptr->pokedex.unknown3 = 0;
+    DisableNationalPokedex();
+    for (i = 0; i < DEX_FLAGS_NO; i++)
+    {
+        gSaveBlock2Ptr->pokedex.owned[i] = 0;
+        gSaveBlock2Ptr->pokedex.seen[i] = 0;
+        gSaveBlock1Ptr->seen1[i] = 0;
+        gSaveBlock1Ptr->seen2[i] = 0;
+    }
+}
+
+void sub_80BB358(void)
+{
+    gUnknown_02039B50 = 0;
+    gUnknown_02039B52 = 64;
+}
+
+void sub_80BB370(void)
+{
+    LoadOam();
+    ProcessSpriteCopyRequests();
+    TransferPlttBuffer();
+}
+
+void sub_80BB384(struct PokedexView *pokedexView)
+{
+    u16 i;
+
+    for (i = 0; i < NATIONAL_DEX_COUNT; i++)
+    {
+        pokedexView->unk0[i].dexNum |= 0xFFFF;
+        pokedexView->unk0[i].seen = 0;
+        pokedexView->unk0[i].owned = 0;
+    }
+    pokedexView->unk608 = 0;
+    pokedexView->unk60A_1 = 0;
+    pokedexView->unk60A_2 = 0;
+    pokedexView->pokemonListCount = 0;
+    pokedexView->selectedPokemon = 0;
+    pokedexView->unk610 = 0;
+    pokedexView->dexMode = 0;
+    pokedexView->unk614 = 0;
+    pokedexView->dexOrder = 0;
+    pokedexView->unk618 = 0;
+    pokedexView->unk61A = 0;
+    pokedexView->unk61C = 0;
+    for (i = 0; i <= 3; i++)
+        pokedexView->unk61E[i] |= 0xFFFF;
+    pokedexView->unk628 = 0;
+    pokedexView->unk62A = 0;
+    pokedexView->unk62C = 0;
+    pokedexView->unk62D = 0;
+    pokedexView->unk62E = 0;
+    pokedexView->unk62F = 0;
+    pokedexView->unk630 = 0;
+    pokedexView->unk632 = 0;
+    pokedexView->unk634 = 0;
+    pokedexView->unk636 = 0;
+    pokedexView->unk638 = 0;
+    for (i = 0; i <= 3; i++)
+        pokedexView->unk63A[i] = 0;
+    pokedexView->unk64A = 0;
+    pokedexView->unk64B = 0;
+    pokedexView->unk64C_1 = 0;
+    pokedexView->selectedScreen = 0;
+    pokedexView->unk64E = 0;
+    pokedexView->menuIsOpen = 0;
+    pokedexView->menuCursorPos = 0;
+    pokedexView->menuY = 0;
+    for (i = 0; i <= 7; i++)
+        pokedexView->unk654[i] = 0;
+    for (i = 0; i <= 7; i++)
+        pokedexView->unk65C[i] = 0;
+}