diff --git a/asm/high_scores.s b/asm/high_scores.s
index 5fb92fe..eddc470 100644
--- a/asm/high_scores.s
+++ b/asm/high_scores.s
@@ -7,7 +7,7 @@
 	thumb_func_start HighScoresMain
 HighScoresMain: @ 0x0800CE48
 	push {lr}
-	ldr r1, _0800CE60 @ =gUnknown_080793E8
+	ldr r1, _0800CE60 @ =gHighScoresStateFuncs
 	ldr r0, _0800CE64 @ =gMain
 	ldrb r0, [r0, #3]
 	lsls r0, r0, #2
@@ -17,14 +17,14 @@ HighScoresMain: @ 0x0800CE48
 	pop {r0}
 	bx r0
 	.align 2, 0
-_0800CE60: .4byte gUnknown_080793E8
+_0800CE60: .4byte gHighScoresStateFuncs
 _0800CE64: .4byte gMain
 
 @ This is triggered after the idle pinball game catches its first pokemon
 	thumb_func_start IdleHighScoresMain
 IdleHighScoresMain: @ 0x0800CE68
 	push {lr}
-	ldr r1, _0800CE80 @ =gUnknown_08079424
+	ldr r1, _0800CE80 @ =gIdleHighScoresStateFuncs
 	ldr r0, _0800CE84 @ =gMain
 	ldrb r0, [r0, #3]
 	lsls r0, r0, #2
@@ -34,7 +34,7 @@ IdleHighScoresMain: @ 0x0800CE68
 	pop {r0}
 	bx r0
 	.align 2, 0
-_0800CE80: .4byte gUnknown_08079424
+_0800CE80: .4byte gIdleHighScoresStateFuncs
 _0800CE84: .4byte gMain
 
 	thumb_func_start sub_CE88
diff --git a/asm/intro.s b/asm/intro.s
index 6fec002..738b94e 100644
--- a/asm/intro.s
+++ b/asm/intro.s
@@ -7,7 +7,7 @@
 	thumb_func_start IntroMain
 IntroMain: @ 0x0800927C
 	push {lr}
-	ldr r1, _08009294 @ =gUnknown_080792CC
+	ldr r1, _08009294 @ =gIntroStateFuncs
 	ldr r0, _08009298 @ =gMain
 	ldrb r0, [r0, #3]
 	lsls r0, r0, #2
@@ -17,7 +17,7 @@ IntroMain: @ 0x0800927C
 	pop {r0}
 	bx r0
 	.align 2, 0
-_08009294: .4byte gUnknown_080792CC
+_08009294: .4byte gIntroStateFuncs
 _08009298: .4byte gMain
 
 	thumb_func_start sub_929C
diff --git a/asm/pokedex.s b/asm/pokedex.s
index 08a9229..ca2bb87 100644
--- a/asm/pokedex.s
+++ b/asm/pokedex.s
@@ -4,22 +4,6 @@
 
 	.text
 
-	thumb_func_start PokedexMain
-PokedexMain: @ 0x08003DAC
-	push {lr}
-	ldr r1, _08003DC4 @ =gUnknown_0805C880
-	ldr r0, _08003DC8 @ =gMain
-	ldrb r0, [r0, #3]
-	lsls r0, r0, #2
-	adds r0, r0, r1
-	ldr r0, [r0]
-	bl _call_via_r0
-	pop {r0}
-	bx r0
-	.align 2, 0
-_08003DC4: .4byte gUnknown_0805C880
-_08003DC8: .4byte gMain
-
 	thumb_func_start sub_3DCC
 sub_3DCC: @ 0x08003DCC
 	push {r4, r5, r6, r7, lr}
@@ -9419,39 +9403,3 @@ _08008A68: .4byte 0x040000D4
 _08008A6C: .4byte gMonHatchSpriteGroupPals
 _08008A70: .4byte 0x05000260
 _08008A74: .4byte 0x80000010
-
-	thumb_func_start sub_8A78
-sub_8A78: @ 0x08008A78
-	ldr r1, _08008AA0 @ =gUnknown_0202A1C0
-	lsls r0, r0, #0x10
-	asrs r2, r0, #0xf
-	adds r1, r2, r1
-	movs r3, #0
-	ldrsh r0, [r1, r3]
-	cmp r0, #4
-	bne _08008AAC
-	ldr r0, _08008AA4 @ =gUnknown_086A61BC
-	adds r0, r2, r0
-	movs r2, #0
-	ldrsh r1, [r0, r2]
-	movs r0, #1
-	rsbs r0, r0, #0
-	cmp r1, r0
-	beq _08008AAC
-	ldr r1, _08008AA8 @ =gUnknown_0202A588
-	movs r0, #1
-	b _08008AB0
-	.align 2, 0
-_08008AA0: .4byte gUnknown_0202A1C0
-_08008AA4: .4byte gUnknown_086A61BC
-_08008AA8: .4byte gUnknown_0202A588
-_08008AAC:
-	ldr r1, _08008AB8 @ =gUnknown_0202A588
-	movs r0, #0
-_08008AB0:
-	strh r0, [r1]
-	movs r3, #0
-	ldrsh r0, [r1, r3]
-	bx lr
-	.align 2, 0
-_08008AB8: .4byte gUnknown_0202A588
diff --git a/asm/rom_11B9C.s b/asm/rom_11B9C.s
index 90dc3cd..f733d36 100644
--- a/asm/rom_11B9C.s
+++ b/asm/rom_11B9C.s
@@ -14550,7 +14550,7 @@ _08019024: .4byte 0x00000532
 	thumb_func_start IdlePinballGameMain
 IdlePinballGameMain: @ 0x08019028
 	push {lr}
-	ldr r1, _08019040 @ =gUnknown_08137918
+	ldr r1, _08019040 @ =gIdlePinballGameStateFuncs
 	ldr r0, _08019044 @ =gMain
 	ldrb r0, [r0, #3]
 	lsls r0, r0, #2
@@ -14560,7 +14560,7 @@ IdlePinballGameMain: @ 0x08019028
 	pop {r0}
 	bx r0
 	.align 2, 0
-_08019040: .4byte gUnknown_08137918
+_08019040: .4byte gIdlePinballGameStateFuncs
 _08019044: .4byte gMain
 
 	thumb_func_start sub_19048
diff --git a/asm/rom_3219C.s b/asm/rom_3219C.s
index c553142..df95ca9 100644
--- a/asm/rom_3219C.s
+++ b/asm/rom_3219C.s
@@ -45538,7 +45538,7 @@ _08049EB0: .4byte 0x0000131C
 	thumb_func_start PinballGameMain
 PinballGameMain: @ 0x08049EB4
 	push {lr}
-	ldr r1, _08049ECC @ =gUnknown_08137E04
+	ldr r1, _08049ECC @ =gPinballGameStateFuncs
 	ldr r0, _08049ED0 @ =gMain
 	ldrb r0, [r0, #3]
 	lsls r0, r0, #2
@@ -45548,7 +45548,7 @@ PinballGameMain: @ 0x08049EB4
 	pop {r0}
 	bx r0
 	.align 2, 0
-_08049ECC: .4byte gUnknown_08137E04
+_08049ECC: .4byte gPinballGameStateFuncs
 _08049ED0: .4byte gMain
 
 	thumb_func_start sub_49ED4
diff --git a/data/rom.s b/data/rom.s
index 907bc8f..02fd1aa 100644
--- a/data/rom.s
+++ b/data/rom.s
@@ -666,11 +666,21 @@ gUnknown_0805C248:: @ 0x0805C248
 gUnknown_0805C748:: @ 0x0805C748
 	.incbin "baserom.gba", 0x5C748, 0x8
 
-gUnknown_0805C750:: @ 0x0805C750
-	.incbin "baserom.gba", 0x5C750, 0xC
-
-gUnknown_0805C75C:: @ 0x0805C75C
-	.incbin "baserom.gba", 0x5C75C, 0x24
+gBonusFieldSelectStateFuncs:: @ 0x0805C750
+	.4byte LoadBonusFieldSelectGraphics
+	.4byte sub_2768
+	.4byte sub_2990
+
+gEReaderStateFuncs:: @ 0x0805C75C
+	.4byte LoadEReaderGraphics
+	.4byte sub_2E40
+	.4byte sub_2FC0
+	.4byte sub_304C
+	.4byte sub_3208
+	.4byte sub_33A0
+	.4byte sub_343C
+	.4byte sub_35C8
+	.4byte sub_374C
 
 gUnknown_0805C780:: @ 0x0805C780
 	.incbin "baserom.gba", 0x5C780, 0x40
@@ -684,8 +694,20 @@ gUnknown_0805C800:: @ 0x0805C800
 gUnknown_0805C840:: @ 0x0805C840
 	.incbin "baserom.gba", 0x5C840, 0x40
 
-gUnknown_0805C880:: @ 0x0805C880
-	.incbin "baserom.gba", 0x5C880, 0x34
+gPokedexStateFuncs:: @ 0x0805C880
+	.4byte sub_3DCC
+	.4byte sub_4150
+	.4byte sub_43D4
+	.4byte sub_4428
+	.4byte sub_4860
+	.4byte sub_45A4
+	.4byte sub_49A8
+	.4byte sub_49D0
+	.4byte sub_4B34
+	.4byte sub_4BB4
+	.4byte sub_4B10
+	.4byte sub_4C80
+	.4byte sub_4D50
 
 gUnknown_0805C8B4:: @ 0x0805C8B4
 	.incbin "baserom.gba", 0x5C8B4, 0x18
@@ -700,19 +722,41 @@ gUnknown_0805C8F6:: @ 0x0805C8F6
 	.incbin "baserom.gba", 0x5C8F6, 0x1C9CA
 
 gFieldSelectStateFuncs:: @ 0x080792C0
-	.incbin "baserom.gba", 0x792C0, 0xC
+	.4byte LoadFieldSelectGraphics
+	.4byte sub_8C7C
+	.4byte sub_8F64
 
-gUnknown_080792CC:: @ 0x080792CC
-	.incbin "baserom.gba", 0x792CC, 0x14
+gIntroStateFuncs:: @ 0x080792CC
+	.4byte sub_929C
+	.4byte sub_9348
+	.4byte sub_9370
+	.4byte sub_938C
+	.4byte sub_93D0
 
 gUnknown_080792E0:: @ 0x080792E0
 	.incbin "baserom.gba", 0x792E0, 0x108
 
-gUnknown_080793E8:: @ 0x080793E8
-	.incbin "baserom.gba", 0x793E8, 0x3C
-
-gUnknown_08079424:: @ 0x08079424
-	.incbin "baserom.gba", 0x79424, 0xC
+gHighScoresStateFuncs:: @ 0x080793E8
+	.4byte sub_CE88
+	.4byte sub_D20C
+	.4byte sub_D308
+	.4byte sub_D4B8
+	.4byte sub_D664
+	.4byte sub_D9F8
+	.4byte sub_DA20
+	.4byte sub_DB70
+	.4byte sub_DBF4
+	.4byte sub_DB4C
+	.4byte sub_DCF0
+	.4byte sub_DD4C
+	.4byte sub_E0EC
+	.4byte sub_E230
+	.4byte sub_E390
+
+gIdleHighScoresStateFuncs:: @ 0x08079424
+	.4byte sub_DD70
+	.4byte sub_DF68
+	.4byte sub_E0C4
 
 gUnknown_08079430:: @ 0x08079430
 	.incbin "baserom.gba", 0x79430, 0x300
@@ -1025,8 +1069,11 @@ gUnknown_08137908:: @ 0x08137908
 gUnknown_08137910:: @ 0x08137910
 	.incbin "baserom.gba", 0x137910, 0x8
 
-gUnknown_08137918:: @ 0x08137918
-	.incbin "baserom.gba", 0x137918, 0x10
+gIdlePinballGameStateFuncs:: @ 0x08137918
+	.4byte sub_19048
+	.4byte sub_19190
+	.4byte sub_4ABC8
+	.4byte sub_19288
 
 gUnknown_08137928:: @ 0x08137928
 	.incbin "baserom.gba", 0x137928, 0x1C
@@ -1097,8 +1144,11 @@ gUnknown_08137DE8:: @ 0x08137DE8
 gUnknown_08137E00:: @ 0x08137E00
 	.incbin "baserom.gba", 0x137E00, 0x4
 
-gUnknown_08137E04:: @ 0x08137E04
-	.incbin "baserom.gba", 0x137E04, 0x10
+gPinballGameStateFuncs:: @ 0x08137E04
+	.4byte sub_49ED4
+	.4byte sub_4AAD8
+	.4byte sub_4ABC8
+	.4byte sub_4B20C
 
 gUnknown_08137E14:: @ 0x08137E14
 	.incbin "baserom.gba", 0x137E14, 0x100
@@ -1793,8 +1843,11 @@ gUnknown_08527ED6:: @ 0x08527ED6
 gUnknown_08527EFE:: @ 0x08527EFE
 	.incbin "baserom.gba", 0x527EFE, 0xA
 
-gUnknown_08527F08:: @ 0x08527F08
-	.incbin "baserom.gba", 0x527F08, 0x10
+gOptionsStateFuncs:: @ 0x08527F08
+	.4byte LoadOptionsGraphics
+	.4byte sub_514B8
+	.4byte sub_51C3C
+	.4byte sub_51C60
 
 gUnknown_08527F18:: @ 0x08527F18
 	.incbin "baserom.gba", 0x527F18, 0x110
diff --git a/include/functions.h b/include/functions.h
index e256693..ad20bd9 100644
--- a/include/functions.h
+++ b/include/functions.h
@@ -80,7 +80,7 @@ void SetMatrixScale(s16 xScale, s16 yScale, s16 matrixNum);
 // src/bonus_field_select.s
 
 extern void BonusFieldSelectMain(void);
-extern void sub_25C4(void);
+extern void LoadBonusFieldSelectGraphics(void);
 extern void sub_2710(void);
 extern void sub_2768(void);
 extern void sub_2990(void);
@@ -328,7 +328,7 @@ extern void sub_1050C(void);
 // asm/options.s
 
 //extern ? OptionsMain();
-//extern ? sub_51240();
+//extern ? LoadOptionsGraphics();
 extern void sub_513B8(void);
 //extern ? sub_514B8();
 //extern ? sub_51C3C();
diff --git a/include/variables.h b/include/variables.h
index 3cc1efd..c348882 100644
--- a/include/variables.h
+++ b/include/variables.h
@@ -15,7 +15,7 @@ extern struct {u8 unk0; s16 unk2;} gUnknown_086BB9B4[];
 extern u16 gUnknown_08527D66[];
 extern u8 gUnknown_02031AF0[][10];
 extern u8 gUnknown_08527ED6[][10];
-extern void (*const gUnknown_08527F08[])(void);
+extern void (*const gOptionsStateFuncs[])(void);
 extern u16 gUnknown_0201A520[];
 extern u16 gUnknown_0201AD20[];
 extern u32 gUnknown_0201A500[];
diff --git a/ld_script.txt b/ld_script.txt
index f3c423b..95502f5 100644
--- a/ld_script.txt
+++ b/ld_script.txt
@@ -38,6 +38,7 @@ SECTIONS
         src/bonus_field_select.o(.text);
         src/ereader.o(.text);
         asm/ereader.o(.text);
+        src/pokedex.o(.text);
         asm/pokedex.o(.text);
         src/pokedex_end.o(.text);
         src/field_select.o(.text);
diff --git a/src/bonus_field_select.c b/src/bonus_field_select.c
index 7f836aa..496fe14 100644
--- a/src/bonus_field_select.c
+++ b/src/bonus_field_select.c
@@ -15,7 +15,7 @@ EWRAM_DATA s8 gUnknown_0202BED0 = 0;
 EWRAM_DATA s8 gUnknown_0202BEE4 = 0;
 EWRAM_DATA u8 gUnknown_0202BEE8 = 0;
 
-extern void (*const gUnknown_0805C750[])(void);
+extern void (*const gBonusFieldSelectStateFuncs[])(void);
 
 extern const struct SpriteSet *const gUnknown_086A4C80[16];
 extern const struct Coord16 gUnknown_086A4CC0[];
@@ -33,10 +33,10 @@ void sub_29C8(void);
 
 void BonusFieldSelectMain(void)
 {
-    gUnknown_0805C750[gMain.subState]();
+    gBonusFieldSelectStateFuncs[gMain.subState]();
 }
 
-void sub_25C4(void)
+void LoadBonusFieldSelectGraphics(void)
 {
     ResetSomeGraphicsRelatedStuff();
 
diff --git a/src/ereader.c b/src/ereader.c
index 24c58c7..f1a14f1 100644
--- a/src/ereader.c
+++ b/src/ereader.c
@@ -6,7 +6,7 @@
 #include "m4a.h"
 #include "titlescreen.h"
 
-extern StateFunc gUnknown_0805C75C[11];
+extern StateFunc gEReaderStateFuncs[11];
 extern s8 gUnknown_0202C604;
 extern s8 gUnknown_0202A580;
 extern s8 gUnknown_0202C5A4;
@@ -51,7 +51,7 @@ s32 sub_1B04(u32 *, u32 *, u32 *);
 
 void EReaderMain(void)
 {
-    gUnknown_0805C75C[gMain.subState]();
+    gEReaderStateFuncs[gMain.subState]();
 }
 
 void LoadEReaderGraphics(void)
diff --git a/src/options.c b/src/options.c
index 5cbea2e..6beb34e 100644
--- a/src/options.c
+++ b/src/options.c
@@ -47,10 +47,10 @@ extern const u8 gOptionsBackground_Tilemap[];
 
 void OptionsMain(void)
 {
-    gUnknown_08527F08[gMain.subState]();
+    gOptionsStateFuncs[gMain.subState]();
 }
 
-void sub_51240(void)
+void LoadOptionsGraphics(void)
 {
     ResetSomeGraphicsRelatedStuff();
 
@@ -492,6 +492,7 @@ void sub_51C60(void)
     SetMainGameState(STATE_TITLE);
 }
 
+// TODO
 NAKED
 void sub_51C9C(void)
 {
diff --git a/src/pokedex.c b/src/pokedex.c
new file mode 100644
index 0000000..c18d2a8
--- /dev/null
+++ b/src/pokedex.c
@@ -0,0 +1,9 @@
+#include "global.h"
+#include "main.h"
+
+extern StateFunc gPokedexStateFuncs[];
+
+void PokedexMain(void)
+{
+    gPokedexStateFuncs[gMain.subState]();
+}
diff --git a/src/pokedex_end.c b/src/pokedex_end.c
index 3c7d668..1895931 100644
--- a/src/pokedex_end.c
+++ b/src/pokedex_end.c
@@ -1,6 +1,59 @@
 #include "global.h"
 #include "main.h"
 
+extern s16 gUnknown_0202A1C0[];
+extern s16 gUnknown_0202A588;
+extern s32 gUnknown_0202BF14;
+
+extern s16 gUnknown_086A61BC[];
+
+/* TODO unfinished
+void sub_8974(s32 arg0)
+{
+    s32 var0 = gUnknown_086A61BC[(s16) arg0];
+    s32 quotient;
+    s16 remainder;
+    s16 var1;
+    
+    if (var0 != -1)
+    {
+        if (var0 < 100)
+        {
+            gUnknown_0202BF14 = 0;
+            quotient = var0 / 5;
+            remainder = var0 % 5;
+            var1 = (s16) var0;
+            
+            sub_10708(___ + remainder * 0xD80, (void *)(OBJ_VRAM0 + 0x3800), 0x6C, 1);
+        }
+        else
+        {
+            gUnknown_0202BF14 = 1;
+            quotient = (var0 - 100) / 6;
+            remainder = (var0 - 100) / 6;
+            var1 = (s16) var0;
+            
+            sub_10708((void *)(gMonHatchSpriteGroupGfx[var1] + remainder * 0x10E0), (void *)(OBJ_VRAM0 + 0x4800), 0x87, 1);
+        }
+    }
+}*/
+
+s16 sub_8A78(s32 arg0)
+{
+    s16 var0 = (s16) arg0;
+    
+    if ((gUnknown_0202A1C0[var0] == 4) && (gUnknown_086A61BC[var0] != -1))
+    {
+        gUnknown_0202A588 = 1;
+    }
+    else
+    {
+        gUnknown_0202A588 = 0;
+    }
+    
+    return gUnknown_0202A588;
+}
+
 void ResetPokedex(void)
 {
     s32 i;