diff --git a/asm/zelda.s b/asm/zelda.s
deleted file mode 100644
index 136b33b7..00000000
--- a/asm/zelda.s
+++ /dev/null
@@ -1,430 +0,0 @@
-	.include "asm/macros.inc"
-
-	.include "constants/constants.inc"
-
-	.syntax unified
-
-	.text
-
-
-	thumb_func_start sub_08066CB4
-sub_08066CB4: @ 0x08066CB4
-	push {lr}
-	ldr r2, _08066CC8 @ =gUnk_08110BD8
-	ldrb r1, [r0, #0xc]
-	lsls r1, r1, #2
-	adds r1, r1, r2
-	ldr r1, [r1]
-	bl _call_via_r1
-	pop {pc}
-	.align 2, 0
-_08066CC8: .4byte gUnk_08110BD8
-
-	thumb_func_start sub_08066CCC
-sub_08066CCC: @ 0x08066CCC
-	push {r4, lr}
-	adds r4, r0, #0
-	movs r2, #1
-	movs r0, #1
-	strb r0, [r4, #0xc]
-	ldrb r1, [r4, #0x18]
-	subs r0, #5
-	ands r0, r1
-	orrs r0, r2
-	strb r0, [r4, #0x18]
-	adds r0, r4, #0
-	movs r1, #7
-	bl sub_0805EA78
-	adds r0, r4, #0
-	movs r1, #2
-	bl sub_0805E3A0
-	adds r0, r4, #0
-	bl sub_0807DD50
-	pop {r4, pc}
-
-	thumb_func_start sub_08066CF8
-sub_08066CF8: @ 0x08066CF8
-	push {lr}
-	movs r1, #0
-	bl sub_0807DD94
-	pop {pc}
-	.align 2, 0
-
-	thumb_func_start sub_08066D04
-sub_08066D04: @ 0x08066D04
-	push {r4, lr}
-	adds r4, r0, #0
-	movs r0, #7
-	movs r1, #0x2e
-	bl sub_0805EB9C
-	str r0, [r4, #0x50]
-	pop {r4, pc}
-
-	thumb_func_start sub_08066D14
-sub_08066D14: @ 0x08066D14
-	push {r4, r5, lr}
-	adds r4, r0, #0
-	adds r5, r1, #0
-	ldr r2, [r4, #0x50]
-	cmp r2, #0
-	beq _08066D48
-	ldrb r0, [r2, #0x14]
-	strb r0, [r4, #0x14]
-	ldrb r1, [r4, #0x18]
-	movs r0, #4
-	rsbs r0, r0, #0
-	ands r0, r1
-	movs r1, #1
-	orrs r0, r1
-	strb r0, [r4, #0x18]
-	adds r0, r2, #0
-	adds r1, r4, #0
-	bl CopyPosition
-	ldr r1, [r4, #0x50]
-	adds r0, r4, #0
-	bl sub_08068680
-	movs r0, #1
-	str r0, [r5, #0x14]
-	b _08066D4A
-_08066D48:
-	str r2, [r5, #0x14]
-_08066D4A:
-	pop {r4, r5, pc}
-
-	thumb_func_start sub_08066D4C
-sub_08066D4C: @ 0x08066D4C
-	push {r4, r5, lr}
-	adds r4, r0, #0
-	adds r5, r1, #0
-	ldr r1, [r4, #0x50]
-	cmp r1, #0
-	beq _08066D90
-	bl CopyPosition
-	ldr r3, [r4, #0x50]
-	ldrb r1, [r3, #0x18]
-	movs r2, #4
-	rsbs r2, r2, #0
-	adds r0, r2, #0
-	ands r0, r1
-	movs r1, #1
-	orrs r0, r1
-	strb r0, [r3, #0x18]
-	ldr r1, [r4, #0x50]
-	ldrb r0, [r4, #0x14]
-	strb r0, [r1, #0x14]
-	ldrb r0, [r4, #0x18]
-	ands r2, r0
-	strb r2, [r4, #0x18]
-	ldrb r1, [r4, #0x17]
-	movs r0, #0xfe
-	ands r0, r1
-	strb r0, [r4, #0x17]
-	ldr r1, [r4, #0x50]
-	adds r0, r4, #0
-	bl sub_08068694
-	movs r0, #1
-	str r0, [r5, #0x14]
-	b _08066D92
-_08066D90:
-	str r1, [r5, #0x14]
-_08066D92:
-	pop {r4, r5, pc}
-
-	thumb_func_start sub_08066D94
-sub_08066D94: @ 0x08066D94
-	push {r4, r5, lr}
-	adds r5, r0, #0
-	movs r0, #0x1c
-	bl SetGlobalFlag
-	movs r0, #0x2e
-	movs r1, #0
-	movs r2, #0
-	bl CreateNPC
-	adds r4, r0, #0
-	cmp r4, #0
-	beq _08066DD6
-	ldr r0, _08066DDC @ =gLinkEntity
-	ldrb r0, [r0, #0x14]
-	strb r0, [r4, #0x14]
-	ldrb r1, [r4, #0x10]
-	movs r0, #0x20
-	orrs r0, r1
-	strb r0, [r4, #0x10]
-	adds r0, r5, #0
-	bl sub_0806EDC4
-	strb r0, [r4, #0x14]
-	ldr r0, _08066DE0 @ =gRoomControls
-	ldrb r1, [r0, #5]
-	adds r0, r4, #0
-	adds r0, #0x74
-	strh r1, [r0]
-	adds r0, r5, #0
-	adds r1, r4, #0
-	bl CopyPosition
-_08066DD6:
-	bl DeleteThisEntity
-	pop {r4, r5, pc}
-	.align 2, 0
-_08066DDC: .4byte gLinkEntity
-_08066DE0: .4byte gRoomControls
-
-	thumb_func_start sub_08066DE4
-sub_08066DE4: @ 0x08066DE4
-	push {r4, r5, lr}
-	adds r5, r0, #0
-	movs r0, #7
-	movs r1, #0x2e
-	bl sub_0805EB9C
-	adds r4, r0, #0
-	cmp r4, #0
-	beq _08066E06
-	adds r0, r5, #0
-	adds r1, r4, #0
-	bl CopyPosition
-	adds r0, r5, #0
-	adds r1, r4, #0
-	bl sub_080686C4
-_08066E06:
-	pop {r4, r5, pc}
-
-	thumb_func_start sub_08066E08
-sub_08066E08: @ 0x08066E08
-	push {r4, lr}
-	adds r4, r0, #0
-	movs r1, #0x50
-	bl LoadAnimation
-	adds r0, r4, #0
-	adds r0, #0x58
-	ldrb r0, [r0]
-	adds r4, #0x80
-	strh r0, [r4]
-	pop {r4, pc}
-	.align 2, 0
-
-	thumb_func_start sub_08066E20
-sub_08066E20: @ 0x08066E20
-	push {r4, lr}
-	adds r4, r0, #0
-	movs r1, #0x44
-	bl LoadAnimation
-	adds r0, r4, #0
-	adds r0, #0x58
-	ldrb r0, [r0]
-	adds r4, #0x80
-	strh r0, [r4]
-	pop {r4, pc}
-	.align 2, 0
-
-	thumb_func_start sub_08066E38
-sub_08066E38: @ 0x08066E38
-	push {r4, lr}
-	adds r4, r0, #0
-	movs r1, #0x48
-	bl LoadAnimation
-	adds r0, r4, #0
-	adds r0, #0x58
-	ldrb r0, [r0]
-	adds r4, #0x80
-	strh r0, [r4]
-	pop {r4, pc}
-	.align 2, 0
-
-	thumb_func_start sub_08066E50
-sub_08066E50: @ 0x08066E50
-	push {r4, lr}
-	adds r4, r0, #0
-	movs r1, #0x4c
-	bl LoadAnimation
-	adds r0, r4, #0
-	adds r0, #0x58
-	ldrb r0, [r0]
-	adds r4, #0x80
-	strh r0, [r4]
-	pop {r4, pc}
-	.align 2, 0
-
-	thumb_func_start sub_08066E68
-sub_08066E68: @ 0x08066E68
-	push {r4, lr}
-	adds r4, r0, #0
-	movs r1, #0x54
-	bl LoadAnimation
-	adds r0, r4, #0
-	adds r0, #0x58
-	ldrb r0, [r0]
-	adds r4, #0x80
-	strh r0, [r4]
-	pop {r4, pc}
-	.align 2, 0
-
-	thumb_func_start sub_08066E80
-sub_08066E80: @ 0x08066E80
-	push {r4, r5, lr}
-	adds r4, r0, #0
-	adds r5, r1, #0
-	ldrb r0, [r5, #0x18]
-	cmp r0, #4
-	bhi _08066F7C
-	lsls r0, r0, #2
-	ldr r1, _08066E98 @ =_08066E9C
-	adds r0, r0, r1
-	ldr r0, [r0]
-	mov pc, r0
-	.align 2, 0
-_08066E98: .4byte _08066E9C
-_08066E9C: @ jump table
-	.4byte _08066EB0 @ case 0
-	.4byte _08066EC0 @ case 1
-	.4byte _08066EF0 @ case 2
-	.4byte _08066F28 @ case 3
-	.4byte _08066F58 @ case 4
-_08066EB0:
-	ldrb r0, [r5, #0x18]
-	adds r0, #1
-	strb r0, [r5, #0x18]
-	adds r0, r4, #0
-	movs r1, #0x16
-	bl LoadAnimation
-	b _08066F7C
-_08066EC0:
-	adds r0, r4, #0
-	bl sub_080042B8
-	adds r2, r4, #0
-	adds r2, #0x5a
-	ldrb r1, [r2]
-	movs r0, #1
-	ands r0, r1
-	cmp r0, #0
-	beq _08066F7C
-	ldrb r0, [r5, #0x18]
-	adds r0, #1
-	strb r0, [r5, #0x18]
-	movs r0, #0x80
-	lsls r0, r0, #0xa
-	str r0, [r4, #0x20]
-	ldrb r1, [r2]
-	movs r0, #0xfe
-	ands r0, r1
-	strb r0, [r2]
-	movs r0, #0x7c
-	bl PlaySFX
-	b _08066F7C
-_08066EF0:
-	movs r1, #0x80
-	lsls r1, r1, #1
-	adds r0, r4, #0
-	movs r2, #0x80
-	bl sub_0806F62C
-	movs r1, #0x80
-	lsls r1, r1, #6
-	adds r0, r4, #0
-	bl sub_08003FC4
-	adds r0, r4, #0
-	adds r0, #0x5a
-	ldrb r1, [r0]
-	movs r0, #1
-	ands r0, r1
-	cmp r0, #0
-	bne _08066F1A
-	adds r0, r4, #0
-	bl sub_080042B8
-_08066F1A:
-	ldr r0, [r4, #0x20]
-	cmp r0, #0
-	bge _08066F7C
-	ldrb r0, [r5, #0x18]
-	adds r0, #1
-	strb r0, [r5, #0x18]
-	b _08066F7C
-_08066F28:
-	movs r1, #0x80
-	lsls r1, r1, #1
-	adds r0, r4, #0
-	movs r2, #0x80
-	bl sub_0806F62C
-	adds r0, r4, #0
-	bl sub_080042B8
-	movs r1, #0x80
-	lsls r1, r1, #6
-	adds r0, r4, #0
-	bl sub_08003FC4
-	cmp r0, #0
-	bne _08066F7C
-	ldrb r0, [r5, #0x18]
-	adds r0, #1
-	strb r0, [r5, #0x18]
-	adds r0, r4, #0
-	movs r1, #0x1e
-	bl LoadAnimation
-	b _08066F7C
-_08066F58:
-	adds r0, r4, #0
-	bl sub_080042B8
-	adds r0, r4, #0
-	adds r0, #0x5a
-	ldrb r1, [r0]
-	movs r0, #0x80
-	ands r0, r1
-	cmp r0, #0
-	beq _08066F7C
-	ldr r2, _08066F78 @ =gUnk_02033280
-	ldrb r1, [r2, #7]
-	movs r0, #1
-	orrs r0, r1
-	strb r0, [r2, #7]
-	b _08066F8C
-	.align 2, 0
-_08066F78: .4byte gUnk_02033280
-_08066F7C:
-	adds r0, r4, #0
-	adds r0, #0x58
-	ldrb r1, [r0]
-	adds r0, #0x28
-	movs r2, #0
-	strh r1, [r0]
-	ldr r0, _08066F90 @ =gUnk_02033280
-	strb r2, [r0, #6]
-_08066F8C:
-	pop {r4, r5, pc}
-	.align 2, 0
-_08066F90: .4byte gUnk_02033280
-
-	thumb_func_start sub_08066F94
-sub_08066F94: @ 0x08066F94
-	push {r4, lr}
-	ldr r4, _08066F9C @ =gUnk_08110BE0
-	b _08066FAC
-	.align 2, 0
-_08066F9C: .4byte gUnk_08110BE0
-_08066FA0:
-	ldrh r1, [r4]
-	adds r4, #2
-	ldr r0, _08066FB4 @ =0x00004072
-	movs r2, #1
-	bl SetTileType
-_08066FAC:
-	ldrh r0, [r4]
-	cmp r0, #0
-	bne _08066FA0
-	pop {r4, pc}
-	.align 2, 0
-_08066FB4: .4byte 0x00004072
-
-	thumb_func_start sub_08066FB8
-sub_08066FB8: @ 0x08066FB8
-	push {r4, lr}
-	ldr r4, _08066FC0 @ =gUnk_08110BE0
-	b _08066FCE
-	.align 2, 0
-_08066FC0: .4byte gUnk_08110BE0
-_08066FC4:
-	ldrh r0, [r4]
-	adds r4, #2
-	movs r1, #1
-	bl sub_0807BA8C
-_08066FCE:
-	ldrh r0, [r4]
-	cmp r0, #0
-	bne _08066FC4
-	pop {r4, pc}
-	.align 2, 0
diff --git a/include/entity.h b/include/entity.h
index 30dd6d97..a3c17714 100644
--- a/include/entity.h
+++ b/include/entity.h
@@ -77,7 +77,7 @@ typedef struct Entity
     u8 filler[2];
     u8 animationList;
     u8 field_1f;
-    u32 field_0x20;
+    s32 field_0x20;
     s16 nonPlanarMovement;
     u8 spriteAnimation[3];
     struct {
@@ -114,9 +114,12 @@ typedef struct Entity
     u8 field_0x59;
     union {
         u8 all;
-        u8 f0:6;
-        u8 f1:1;
-        u8 f2:1;
+        struct {
+            u8 f0:1;
+            u8 f1:5;
+            u8 f2:1;
+            u8 f3:1;
+        } PACKED b;
     } PACKED frames;
     u8 gfx;
     u8 field_0x5c;
diff --git a/linker.ld b/linker.ld
index ff6f35f2..072d998b 100644
--- a/linker.ld
+++ b/linker.ld
@@ -499,7 +499,7 @@ SECTIONS {
 		asm/ministerPotho.o(.text);
 		asm/npc26.o(.text);
 		asm/vaati.o(.text);
-		asm/zelda.o(.text);
+		src/zelda.o(.text);
 		asm/mutoh.o(.text);
 		asm/carpenter.o(.text);
 		asm/castorWildsStatue.o(.text);
diff --git a/src/zelda.c b/src/zelda.c
new file mode 100644
index 00000000..4400351d
--- /dev/null
+++ b/src/zelda.c
@@ -0,0 +1,237 @@
+#include "global.h"
+#include "entity.h"
+#include "room.h"
+
+extern void sub_0805EA78(Entity*, u32);
+extern void sub_0805E3A0(Entity*, u32);
+extern void sub_0807DD50(Entity*);
+extern void sub_0807DD94(Entity*, u32);
+extern Entity* sub_0805EB9C(u32, u32); 
+void CopyPosition(Entity*, Entity*);
+void sub_08068680(Entity*, Entity*);
+void sub_08068694(Entity*, Entity*);
+extern void SetGlobalFlag(u32);
+extern Entity* CreateNPC(u32 subtype,u32 parameter1,u32 parameter2);
+u32 sub_0806EDC4(Entity* ent);
+void DeleteThisEntity(void);
+extern Entity* GetEntityByType(u32, u32);
+extern void sub_080686C4(Entity*, Entity*);
+extern void LoadAnimation(Entity*, u32);
+extern void sub_080042B8(Entity*);
+extern void sub_0806F62C(Entity*, u32, u32);
+extern u32 sub_08003FC4(Entity*, u32);
+extern void PlaySFX(u32);
+extern void SetTileType(u32, u32, u32);
+extern void sub_0807BA8C(u16, u32);
+
+extern Entity gLinkEntity;
+extern RoomControls gRoomControls;
+
+extern void (*gUnk_08110BD8[])(Entity* ent);
+extern u8 gUnk_02033280[];
+extern u16 gUnk_08110BE0[];
+
+
+void sub_08066CB4(Entity* ent)
+{
+    gUnk_08110BD8[ent->action](ent);
+}
+
+void sub_08066CCC(Entity *ent)
+{
+    ent->action = 1;
+    ent->spriteSettings.b.ss0 = 1;
+    sub_0805EA78(ent, 7);
+    sub_0805E3A0(ent, 2);
+    sub_0807DD50(ent);
+}
+
+void sub_08066CF8(Entity* ent)
+{
+    sub_0807DD94(ent, 0);
+}
+
+void sub_08066D04(Entity* ent)
+{
+    ent->parent = sub_0805EB9C(7, 0x2E);
+}
+
+void sub_08066D14(Entity* ent, u32* param_2)
+{
+    Entity* parent;
+  
+    parent = ent->parent;
+    if (parent != NULL)
+    {
+        ent->animationState = parent->animationState;
+        ent->spriteSettings.b.ss0 = 1;
+        CopyPosition(parent, ent);
+        sub_08068680(ent, ent->parent);
+        param_2[5] = 1;
+    }
+    else
+    {
+        param_2[5] = 0;
+    }
+}
+
+void sub_08066D4C(Entity* ent, u32* param_2)
+{
+    Entity* parent;
+
+    parent = ent->parent;
+    if (ent->parent != NULL)
+    {
+        CopyPosition(ent, parent);
+        ent->parent->spriteSettings.b.ss0 = 1;
+        ent->parent->animationState = ent->animationState;
+        ent->spriteSettings.b.ss0 = 0;
+        ent->field_0x17 &= 0xFE;
+        sub_08068694(ent, ent->parent);
+        param_2[5] = 1;
+    }
+    else
+    {
+        param_2[5] = 0;
+    }
+}
+
+void sub_08066D94(Entity* ent)
+{
+    u32 roomID;
+    Entity* npc;
+    
+    SetGlobalFlag(0x1C);
+    npc = CreateNPC(0x2E, 0, 0);
+    if (npc != NULL)
+    {
+        npc->animationState = gLinkEntity.animationState;
+        npc->flags |= 0x20;
+        npc->animationState = sub_0806EDC4(ent);
+        roomID = gRoomControls.roomID;
+        *(u16*)&npc->heldObjectPtr = roomID;
+        CopyPosition(ent, npc);
+    }
+    DeleteThisEntity();
+}
+
+void sub_08066DE4(Entity* ent)
+{
+    Entity* pEVar1;
+    
+    pEVar1 = sub_0805EB9C(7, 0x2E);
+    if (pEVar1 != NULL)
+    {
+        CopyPosition(ent, pEVar1);
+        sub_080686C4(ent, pEVar1);
+    }
+}
+
+void sub_08066E08(Entity* ent)
+{
+    LoadAnimation(ent, 0x50);
+    ent->field_0x80 = ent->field_0x58;
+}
+
+void sub_08066E20(Entity* ent)
+{
+    LoadAnimation(ent, 0x44);
+    ent->field_0x80 = ent->field_0x58;
+}
+
+void sub_08066E38(Entity* ent)
+{
+    LoadAnimation(ent, 0x48);
+    ent->field_0x80 = ent->field_0x58;
+}
+
+void sub_08066E50(Entity* ent)
+{
+    LoadAnimation(ent, 0x4C);
+    ent->field_0x80 = ent->field_0x58;
+}
+
+void sub_08066E68(Entity* ent)
+{
+    LoadAnimation(ent, 0x54);
+    ent->field_0x80 = ent->field_0x58;
+}
+
+void sub_08066E80(Entity* ent, u8* param_2)
+{
+    switch(param_2[0x18])
+    {
+        case 0:
+            param_2[0x18]++;
+            LoadAnimation(ent, 0x16);
+            break;
+        case 1:
+            sub_080042B8(ent);
+            if (ent->frames.all & 1)
+            {
+                param_2[0x18]++;
+                ent->field_0x20 = 0x20000;
+                ent->frames.all &= 0xFE;
+                PlaySFX(0x7C);
+            }
+            break;
+        case 2:
+            sub_0806F62C(ent, 0x100, 0x80);
+            sub_08003FC4(ent, 0x2000);
+            if (!(ent->frames.all & 1))
+            {
+                sub_080042B8(ent);
+            }
+            if (ent->field_0x20 < 0)
+            {
+                param_2[0x18]++;
+            }
+            break;
+        case 3:
+            sub_0806F62C(ent, 0x100, 0x80);
+            sub_080042B8(ent);
+            if (sub_08003FC4(ent, 0x2000) == 0)
+            {
+                param_2[0x18]++;
+                LoadAnimation(ent, 0x1E);
+            }
+            break;
+        case 4:
+            sub_080042B8(ent);
+            if (ent->frames.b.f3)
+            {
+                gUnk_02033280[7] |= 1;
+                return;
+            }
+    }
+    ent->field_0x80 = ent->field_0x58;
+    gUnk_02033280[6] = 0;
+}
+
+void sub_08066F94(void)
+{
+    u16 uVar1;
+    u16* puVar2;
+  
+    puVar2 = gUnk_08110BE0;
+    while (*puVar2 != 0)
+    {
+        uVar1 = *puVar2;
+        puVar2++;
+        SetTileType(16498, uVar1, 1);
+    }
+}
+
+void sub_08066FB8(void)
+{
+    u16 uVar1;
+    u16* puVar2;
+    
+    puVar2 = gUnk_08110BE0;
+    while (*puVar2 != 0)
+    {
+        uVar1 = *puVar2;
+        puVar2++;
+        sub_0807BA8C(uVar1, 1);
+    }
+}