diff --git a/asm/non_matching/itemSword/sub_080754B8.inc b/asm/non_matching/itemSword/sub_080754B8.inc
deleted file mode 100644
index ae6d7dcea6..0000000000
--- a/asm/non_matching/itemSword/sub_080754B8.inc
+++ /dev/null
@@ -1,102 +0,0 @@
-	.syntax unified
-	push {r4, r5, r6, r7, lr}
-	adds r4, r0, #0
-	adds r6, r1, #0
-	ldr r7, _080754D4 @ =gPlayerState
-	ldrb r1, [r7, #0x1b]
-	movs r0, #0x80
-	ands r0, r1
-	cmp r0, #0
-	beq _080754D8
-	adds r0, r4, #0
-	adds r1, r6, #0
-	bl sub_08075694
-	b _0807557E
-	.align 2, 0
-_080754D4: .4byte gPlayerState
-_080754D8:
-	ldrb r0, [r7, #4]
-	cmp r0, #0
-	beq _08075576
-	adds r0, r4, #0
-	bl UpdateItemAnim
-	ldrb r0, [r4, #0xe]
-	cmp r0, #0
-	beq _080754F2
-	ldrb r1, [r4, #9]
-	movs r0, #0x7f
-	ands r0, r1
-	strb r0, [r4, #9]
-_080754F2:
-	ldr r0, _0807552C @ =gPlayerEntity
-	adds r0, #0x5b
-	ldrb r1, [r0]
-	movs r0, #1
-	ands r0, r1
-	cmp r0, #0
-	beq _08075538
-	bl sub_0807B014
-	adds r5, r0, #0
-	cmp r5, #0
-	beq _08075538
-	movs r0, #8
-	movs r1, #0xf
-	movs r2, #2
-	bl FindEntityByID
-	cmp r0, #0
-	bne _08075538
-	adds r0, r4, #0
-	movs r1, #0xf
-	bl CreatePlayerBomb
-	cmp r5, #0xf
-	bne _08075530
-	adds r1, r7, #0
-	adds r1, #0xab
-	movs r0, #5
-	b _08075536
-	.align 2, 0
-_0807552C: .4byte gPlayerEntity
-_08075530:
-	adds r1, r7, #0
-	adds r1, #0xab
-	movs r0, #8
-_08075536:
-	strb r0, [r1]
-_08075538:
-	ldrb r1, [r4, #0xe]
-	movs r2, #0x80
-	adds r0, r2, #0
-	ands r0, r1
-	cmp r0, #0
-	beq _0807557E
-	ldr r1, _08075568 @ =gPlayerState
-	ldr r0, [r1, #0x30]
-	ands r0, r2
-	cmp r0, #0
-	bne _0807555C
-	adds r0, r1, #0
-	adds r0, #0xac
-	ldrh r1, [r0]
-	movs r0, #1
-	ands r0, r1
-	cmp r0, #0
-	bne _0807556C
-_0807555C:
-	adds r0, r4, #0
-	adds r1, r6, #0
-	bl sub_080759B8
-	b _0807557E
-	.align 2, 0
-_08075568: .4byte gPlayerState
-_0807556C:
-	adds r0, r4, #0
-	adds r1, r6, #0
-	bl sub_08075580
-	b _0807557E
-_08075576:
-	adds r0, r4, #0
-	adds r1, r6, #0
-	bl sub_080759B8
-_0807557E:
-	pop {r4, r5, r6, r7, pc}
-	.syntax divided
diff --git a/asm/non_matching/itemSword/sub_08075738.inc b/asm/non_matching/itemSword/sub_08075738.inc
deleted file mode 100644
index 31991b9c0c..0000000000
--- a/asm/non_matching/itemSword/sub_08075738.inc
+++ /dev/null
@@ -1,177 +0,0 @@
-	.syntax unified
-	push {r4, r5, r6, r7, lr}
-	adds r4, r0, #0
-	adds r6, r1, #0
-	ldr r5, _08075750 @ =gPlayerState
-	ldrb r0, [r5, #4]
-	cmp r0, #0
-	bne _08075754
-	adds r0, r4, #0
-	bl sub_080759B8
-	b _0807588C
-	.align 2, 0
-_08075750: .4byte gPlayerState
-_08075754:
-	adds r0, r4, #0
-	bl UpdateItemAnim
-	adds r0, r4, #0
-	bl sub_08077F10
-	cmp r0, #0
-	beq _08075768
-	movs r0, #2
-	strb r0, [r4, #7]
-_08075768:
-	ldrb r2, [r5, #0x1b]
-	movs r0, #0x10
-	ands r0, r2
-	cmp r0, #0
-	beq _080757D4
-	ldrb r1, [r5, #0xd]
-	movs r2, #0x80
-	adds r0, r2, #0
-	ands r0, r1
-	cmp r0, #0
-	bne _08075780
-	strb r1, [r4, #0xb]
-_08075780:
-	ldr r1, _080757D0 @ =gPlayerEntity
-	ldrb r0, [r4, #0xb]
-	strb r0, [r1, #0x15]
-	movs r0, #0xc0
-	lsls r0, r0, #1
-	strh r0, [r1, #0x24]
-	ldrb r1, [r4, #0xe]
-	adds r0, r2, #0
-	ands r0, r1
-	cmp r0, #0
-	beq _0807588C
-	movs r2, #0xa
-	adds r0, r5, #0
-	adds r0, #0xac
-	ldrh r1, [r0]
-	movs r0, #0x80
-	lsls r0, r0, #4
-	ands r0, r1
-	cmp r0, #0
-	beq _080757AA
-	movs r2, #0xf
-_080757AA:
-	ldrb r0, [r4, #8]
-	adds r0, #1
-	strb r0, [r4, #8]
-	movs r1, #0xff
-	lsls r0, r0, #0x18
-	lsrs r0, r0, #0x18
-	cmp r2, r0
-	bls _080757C6
-	ldrb r0, [r4, #7]
-	subs r0, #1
-	strb r0, [r4, #7]
-	ands r0, r1
-	cmp r0, #0
-	bne _0807588C
-_080757C6:
-	adds r0, r4, #0
-	adds r1, r6, #0
-	bl sub_080759B8
-	b _0807588C
-	.align 2, 0
-_080757D0: .4byte gPlayerEntity
-_080757D4:
-	ldr r7, _08075890 @ =gPlayerEntity
-	adds r0, r7, #0
-	adds r0, #0x5b
-	ldrb r1, [r0]
-	movs r0, #1
-	ands r0, r1
-	cmp r0, #0
-	beq _08075816
-	movs r0, #0x80
-	ands r0, r2
-	cmp r0, #0
-	bne _08075816
-	adds r0, r5, #0
-	adds r0, #0xac
-	ldrh r1, [r0]
-	movs r0, #0x80
-	lsls r0, r0, #1
-	ands r0, r1
-	cmp r0, #0
-	beq _08075816
-	adds r0, r4, #0
-	movs r1, #0x14
-	bl CreatePlayerBomb
-	adds r2, r0, #0
-	cmp r2, #0
-	beq _08075816
-	ldrb r0, [r7, #0x14]
-	movs r1, #6
-	ands r1, r0
-	movs r0, #0x80
-	orrs r1, r0
-	strb r1, [r2, #0x14]
-_08075816:
-	ldr r5, _08075890 @ =gPlayerEntity
-	adds r0, r5, #0
-	adds r0, #0x5b
-	ldrb r1, [r0]
-	movs r0, #2
-	ands r0, r1
-	cmp r0, #0
-	beq _0807587A
-	ldr r2, _08075894 @ =gPlayerState
-	ldrb r3, [r2, #0x1b]
-	movs r0, #0x80
-	ands r0, r3
-	cmp r0, #0
-	bne _0807587A
-	adds r0, r2, #0
-	adds r0, #0xac
-	ldrh r1, [r0]
-	movs r0, #0x20
-	ands r0, r1
-	cmp r0, #0
-	beq _0807587A
-	ldrb r0, [r4, #7]
-	subs r0, #1
-	strb r0, [r4, #7]
-	lsls r0, r0, #0x18
-	cmp r0, #0
-	beq _0807587A
-	movs r0, #0x10
-	orrs r0, r3
-	strb r0, [r2, #0x1b]
-	adds r1, r2, #0
-	adds r1, #0xab
-	movs r0, #6
-	strb r0, [r1]
-	ldrb r0, [r5, #0x14]
-	lsls r0, r0, #2
-	strb r0, [r4, #0xb]
-	movs r0, #1
-	strb r0, [r4, #7]
-	strb r0, [r4, #8]
-	movs r1, #8
-	asrs r1, r6
-	ldrb r0, [r2, #0xa]
-	bics r0, r1
-	strb r0, [r2, #0xa]
-	movs r1, #0x94
-	lsls r1, r1, #1
-	adds r0, r4, #0
-	bl sub_08077DF4
-_0807587A:
-	ldrb r1, [r4, #0xe]
-	movs r0, #0x80
-	ands r0, r1
-	cmp r0, #0
-	beq _0807588C
-	adds r0, r4, #0
-	adds r1, r6, #0
-	bl sub_080759B8
-_0807588C:
-	pop {r4, r5, r6, r7, pc}
-	.align 2, 0
-_08075890: .4byte gPlayerEntity
-_08075894: .4byte gPlayerState
-	.syntax divided
diff --git a/asm/non_matching/itemSword/sub_08075900.inc b/asm/non_matching/itemSword/sub_08075900.inc
deleted file mode 100644
index d10ea4ab4c..0000000000
--- a/asm/non_matching/itemSword/sub_08075900.inc
+++ /dev/null
@@ -1,89 +0,0 @@
-	.syntax unified
-	push {r4, r5, r6, lr}
-	adds r4, r0, #0
-	adds r6, r1, #0
-	ldr r5, _08075920 @ =gPlayerState
-	ldrb r0, [r5, #0x12]
-	cmp r0, #0x11
-	bne _08075928
-	ldr r0, [r5, #0x30]
-	ldr r1, _08075924 @ =0xFFFBFFFF
-	ands r0, r1
-	str r0, [r5, #0x30]
-	adds r0, r4, #0
-	adds r1, r6, #0
-	bl sub_080759B8
-	b _080759B2
-	.align 2, 0
-_08075920: .4byte gPlayerState
-_08075924: .4byte 0xFFFBFFFF
-_08075928:
-	adds r0, r4, #0
-	bl UpdateItemAnim
-	ldrb r1, [r5, #0x1b]
-	movs r2, #0x80
-	adds r0, r2, #0
-	ands r0, r1
-	cmp r0, #0
-	beq _08075948
-	movs r0, #0xa0
-	strb r0, [r5, #0x1b]
-	adds r0, r4, #0
-	adds r1, r6, #0
-	bl sub_0807564C
-	b _080759B2
-_08075948:
-	ldrb r0, [r4, #7]
-	cmp r0, #0
-	beq _08075998
-	subs r0, #1
-	strb r0, [r4, #7]
-	lsls r0, r0, #0x18
-	cmp r0, #0
-	bne _08075962
-	movs r1, #0x9a
-	lsls r1, r1, #1
-	adds r0, r4, #0
-	bl sub_08077DF4
-_08075962:
-	ldr r4, _08075990 @ =gPlayerEntity
-	ldrb r0, [r4, #0x14]
-	lsrs r0, r0, #1
-	lsls r0, r0, #3
-	strb r0, [r4, #0x15]
-	movs r0, #0xc0
-	lsls r0, r0, #2
-	strh r0, [r4, #0x24]
-	bl UpdatePlayerMovement
-	ldr r0, _08075994 @ =gRoomTransition
-	ldr r0, [r0]
-	movs r1, #3
-	ands r0, r1
-	cmp r0, #0
-	bne _080759B2
-	adds r0, r4, #0
-	movs r1, #0x11
-	movs r2, #0x40
-	bl CreateFx
-	b _080759B2
-	.align 2, 0
-_08075990: .4byte gPlayerEntity
-_08075994: .4byte gRoomTransition
-_08075998:
-	ldrb r1, [r4, #0xe]
-	adds r0, r2, #0
-	ands r0, r1
-	cmp r0, #0
-	beq _080759B2
-	ldr r0, [r5, #0x30]
-	ldr r1, _080759B4 @ =0xFFFBFFFF
-	ands r0, r1
-	str r0, [r5, #0x30]
-	adds r0, r4, #0
-	adds r1, r6, #0
-	bl sub_080759B8
-_080759B2:
-	pop {r4, r5, r6, pc}
-	.align 2, 0
-_080759B4: .4byte 0xFFFBFFFF
-	.syntax divided
diff --git a/src/item/itemSword.c b/src/item/itemSword.c
index 7a79415955..bcba405415 100644
--- a/src/item/itemSword.c
+++ b/src/item/itemSword.c
@@ -2,13 +2,19 @@
 #include "functions.h"
 #include "sound.h"
 #include "object.h"
+#include "playeritem.h"
 
 extern void (*const gUnk_0811BD44[])(ItemBehavior*, u32);
 extern void sub_08077B98(ItemBehavior*);
+extern void UpdatePlayerMovement(void);
+extern u32 sub_0807B014();
+extern Entity* CreatePlayerBomb(ItemBehavior*, u32);
+extern bool32 sub_08077F10(ItemBehavior*);
 
 void sub_080759B8(ItemBehavior*, u32);
 void sub_080754B8(ItemBehavior*, u32);
 void sub_08075898(ItemBehavior*, u32);
+void sub_08075580(ItemBehavior*, u32);
 
 extern u32 sub_08077EC8(ItemBehavior*);
 
@@ -93,7 +99,40 @@ void sub_08075338(ItemBehavior* this, u32 arg1) {
     sub_08077B98(this);
 }
 
-ASM_FUNC("asm/non_matching/itemSword/sub_080754B8.inc", void sub_080754B8(ItemBehavior* this, u32 arg1))
+void sub_080754B8(ItemBehavior* this, u32 arg1) {
+    u32 iVar1;
+
+    if ((gPlayerState.sword_state & 0x80) != 0) {
+        sub_08075694(this, arg1);
+    } else if (gPlayerState.field_0x3[1] != 0) {
+        UpdateItemAnim(this);
+        if (this->field_0x5[9] != 0) {
+            this->field_0x5[4] = this->field_0x5[4] & 0x7f;
+        }
+
+        if (gPlayerEntity.frameSpriteSettings & 1) {
+            iVar1 = sub_0807B014();
+            if (iVar1 && FindEntityByID(PLAYER_ITEM, 15, 2) == 0) {
+                CreatePlayerBomb(this, 0xf);
+                if (iVar1 == 0xf) {
+                    gPlayerState.field_0xab = 5;
+                } else {
+                    gPlayerState.field_0xab = 8;
+                }
+            }
+        }
+
+        if ((this->field_0x5[9] & 0x80) != 0) {
+            if (((gPlayerState.flags & 0x80) != 0) || ((gPlayerState.field_0xac & 1) == 0)) {
+                sub_080759B8(this, arg1);
+            } else {
+                sub_08075580(this, arg1);
+            }
+        }
+    } else {
+        sub_080759B8(this, arg1);
+    }
+}
 
 void sub_08075580(ItemBehavior* this, u32 arg1) {
     if ((sub_08077EFC(this) != 0) && (gPlayerState.jump_status == 0)) {
@@ -165,7 +204,59 @@ void sub_08075694(ItemBehavior* this, u32 arg1) {
     SoundReq(SFX_PLY_VO2);
 }
 
-ASM_FUNC("asm/non_matching/itemSword/sub_08075738.inc", void sub_08075738(ItemBehavior* this, u32 arg1))
+void sub_08075738(ItemBehavior* this, u32 arg1) {
+    u32 bVar6;
+
+    if (gPlayerState.field_0x3[1] == 0) {
+        sub_080759B8(this, arg1);
+    } else {
+        UpdateItemAnim(this);
+        if (sub_08077F10(this)) {
+            this->field_0x5[2] = 2;
+        }
+
+        if ((gPlayerState.sword_state & 0x10) != 0) {
+            if ((gPlayerState.field_0xd & 0x80) == 0) {
+                this->field_0x5[6] = gPlayerState.field_0xd;
+            }
+            gPlayerEntity.direction = this->field_0x5[6];
+            gPlayerEntity.speed = 0x180;
+            if ((this->field_0x5[9] & 0x80) != 0) {
+                bVar6 = 10;
+                if ((gPlayerState.field_0xac & 0x800) != 0) {
+                    bVar6 = 0xf;
+                }
+
+                if ((bVar6 <= ++this->field_0x5[3]) || (--this->field_0x5[2] == 0)) {
+                    sub_080759B8(this, arg1);
+                }
+            }
+        } else {
+            if (((((gPlayerEntity.frameSpriteSettings & 1) != 0) && ((gPlayerState.sword_state & 0x80) == 0)) &&
+                 ((gPlayerState.field_0xac & 0x100) != 0))) {
+                Entity* bombEnt = CreatePlayerBomb(this, 0x14);
+                if (bombEnt) {
+                    bombEnt->animationState = (gPlayerEntity.animationState & 6) | 0x80;
+                }
+            }
+
+            if ((((gPlayerEntity.frameSpriteSettings & 2) != 0) && ((gPlayerState.sword_state & 0x80) == 0)) &&
+                (((gPlayerState.field_0xac & 0x20) != 0 && (--this->field_0x5[2] != 0)))) {
+                gPlayerState.sword_state |= 0x10;
+                gPlayerState.field_0xab = 6;
+                this->field_0x5[6] = gPlayerEntity.animationState << 2;
+                this->field_0x5[2] = 1;
+                this->field_0x5[3] = 1;
+                gPlayerState.field_0xa = gPlayerState.field_0xa & ~(8 >> arg1);
+                sub_08077DF4(this, 0x128);
+            }
+
+            if ((this->field_0x5[9] & 0x80) != 0) {
+                sub_080759B8(this, arg1);
+            }
+        }
+    }
+}
 
 void sub_08075898(ItemBehavior* this, u32 arg1) {
     if (gPlayerState.field_0x3[1] == 0) {
@@ -190,7 +281,36 @@ void sub_080758B0(ItemBehavior* this, u32 arg1) {
     }
 }
 
-ASM_FUNC("asm/non_matching/itemSword/sub_08075900.inc", void sub_08075900(ItemBehavior* this, u32 arg1))
+void sub_08075900(ItemBehavior* this, u32 arg1) {
+    if (gPlayerState.floor_type == SURFACE_SWAMP) {
+        gPlayerState.flags &= ~PL_ROLLING;
+        sub_080759B8(this, arg1);
+    } else {
+        UpdateItemAnim(this);
+        if ((gPlayerState.sword_state & 0x80) != 0) {
+            gPlayerState.sword_state = 0xa0;
+            sub_0807564C(this, arg1);
+
+        } else {
+            if (this->field_0x5[2] != 0) {
+                if (--this->field_0x5[2] == 0) {
+                    sub_08077DF4(this, 0x134);
+                }
+                gPlayerEntity.direction = (gPlayerEntity.animationState >> 1) << 3;
+                gPlayerEntity.speed = 0x300;
+                UpdatePlayerMovement();
+                if ((gRoomTransition.frameCount & 3) == 0) {
+                    CreateFx(&gPlayerEntity, FX_DASH, 0x40);
+                }
+            } else {
+                if ((this->field_0x5[9] & 0x80) != 0) {
+                    gPlayerState.flags &= ~PL_ROLLING;
+                    sub_080759B8(this, arg1);
+                }
+            }
+        }
+    }
+}
 
 void sub_080759B8(ItemBehavior* this, u32 arg1) {
     if ((gPlayerState.flags & PL_MINISH) == 0) {