decompile more rom4 functions

3 files changed, 385 insertions, 852 deletions

diff --git a/asm/rom4.s b/asm/rom4.s
index fad0d3b08..419de8a05 100644
--- a/asm/rom4.s
+++ b/asm/rom4.s
@@ -5,855 +5,6 @@
 
 	.text
 
-	thumb_func_start sub_8054E20
-sub_8054E20: @ 8054E20
-	push {lr}
-	movs r0, 0
-	movs r1, 0
-	bl sub_805B710
-	bl sub_80C8080
-	pop {r0}
-	bx r0
-	thumb_func_end sub_8054E20
-
-	thumb_func_start sub_8054E34
-sub_8054E34: @ 8054E34
-	push {lr}
-	ldr r2, _08054E58
-	ldr r3, _08054E5C
-	ldrb r1, [r3, 0x5]
-	lsls r0, r1, 3
-	adds r0, r1
-	lsls r0, 2
-	adds r0, r2
-	ldrb r1, [r0, 0x1]
-	movs r2, 0x80
-	orrs r1, r2
-	strb r1, [r0, 0x1]
-	ldrb r0, [r3, 0x4]
-	bl InitCameraUpdateCallback
-	pop {r0}
-	bx r0
-	.align 2, 0
-_08054E58: .4byte gMapObjects
-_08054E5C: .4byte gPlayerAvatar
-	thumb_func_end sub_8054E34
-
-	thumb_func_start sub_8054E60
-sub_8054E60: @ 8054E60
-	push {lr}
-	ldr r0, _08054E78
-	ldrb r0, [r0]
-	bl sub_8055AE8
-	lsls r0, 24
-	lsrs r0, 24
-	bl InitCameraUpdateCallback
-	pop {r0}
-	bx r0
-	.align 2, 0
-_08054E78: .4byte gUnknown_03004860
-	thumb_func_end sub_8054E60
-
-	thumb_func_start sub_8054E7C
-sub_8054E7C: @ 8054E7C
-	push {lr}
-	ldr r0, _08054E94
-	ldrb r0, [r0]
-	bl sub_8055AE8
-	lsls r0, 24
-	lsrs r0, 24
-	bl InitCameraUpdateCallback
-	pop {r0}
-	bx r0
-	.align 2, 0
-_08054E94: .4byte gUnknown_03004860
-	thumb_func_end sub_8054E7C
-
-	thumb_func_start sub_8054E98
-sub_8054E98: @ 8054E98
-	push {r4,lr}
-	sub sp, 0x4
-	mov r4, sp
-	adds r4, 0x2
-	mov r0, sp
-	adds r1, r4, 0
-	bl sav1_camera_get_focus_coords
-	mov r2, sp
-	ldr r0, _08054EC4
-	ldrb r1, [r0]
-	ldrh r0, [r2]
-	adds r0, r1
-	lsls r0, 16
-	lsrs r0, 16
-	ldrh r1, [r4]
-	bl sub_8056C50
-	add sp, 0x4
-	pop {r4}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_08054EC4: .4byte gUnknown_03004860
-	thumb_func_end sub_8054E98
-
-	thumb_func_start sub_8054EC8
-sub_8054EC8: @ 8054EC8
-	push {r4-r7,lr}
-	sub sp, 0x4
-	mov r4, sp
-	adds r4, 0x2
-	mov r0, sp
-	adds r1, r4, 0
-	bl sav1_camera_get_focus_coords
-	mov r3, sp
-	mov r2, sp
-	ldr r0, _08054F38
-	ldrb r1, [r0]
-	ldrh r0, [r2]
-	subs r0, r1
-	strh r0, [r3]
-	movs r5, 0
-	ldr r0, _08054F3C
-	adds r7, r4, 0
-	ldrb r0, [r0]
-	cmp r5, r0
-	bcs _08054F2A
-	ldr r6, _08054F40
-_08054EF4:
-	lsls r4, r5, 24
-	lsrs r4, 24
-	mov r0, sp
-	ldrh r1, [r0]
-	adds r1, r5, r1
-	lsls r1, 16
-	asrs r1, 16
-	movs r0, 0
-	ldrsh r2, [r7, r0]
-	lsls r0, r5, 3
-	subs r0, r5
-	lsls r0, 2
-	adds r0, r6
-	ldrb r3, [r0, 0x13]
-	adds r0, r4, 0
-	bl sub_8055980
-	adds r0, r4, 0
-	bl sub_8055E5C
-	adds r0, r5, 0x1
-	lsls r0, 16
-	lsrs r5, r0, 16
-	ldr r0, _08054F3C
-	ldrb r0, [r0]
-	cmp r5, r0
-	bcc _08054EF4
-_08054F2A:
-	ldr r0, _08054F44
-	bl sub_8055340
-	add sp, 0x4
-	pop {r4-r7}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_08054F38: .4byte gUnknown_03004860
-_08054F3C: .4byte gUnknown_03004864
-_08054F40: .4byte gLinkPlayers
-_08054F44: .4byte word_3002910
-	thumb_func_end sub_8054EC8
-
-	thumb_func_start sub_8054F48
-sub_8054F48: @ 8054F48
-	push {r4,lr}
-	movs r4, 0
-	b _08054F5C
-_08054F4E:
-	lsls r0, r4, 24
-	lsrs r0, 24
-	bl sub_8055E5C
-	adds r0, r4, 0x1
-	lsls r0, 16
-	lsrs r4, r0, 16
-_08054F5C:
-	ldr r0, _08054F6C
-	ldrb r0, [r0]
-	cmp r4, r0
-	bcc _08054F4E
-	pop {r4}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_08054F6C: .4byte gUnknown_03004864
-	thumb_func_end sub_8054F48
-
-	thumb_func_start sub_8054F70
-sub_8054F70: @ 8054F70
-	push {lr}
-	ldr r1, _08054F84
-	movs r2, 0x80
-	adds r0, r1, 0x3
-_08054F78:
-	strb r2, [r0]
-	subs r0, 0x1
-	cmp r0, r1
-	bge _08054F78
-	pop {r0}
-	bx r0
-	.align 2, 0
-_08054F84: .4byte gUnknown_03000580
-	thumb_func_end sub_8054F70
-
-	thumb_func_start sub_8054F88
-sub_8054F88: @ 8054F88
-	push {r4,lr}
-	lsls r0, 16
-	lsrs r3, r0, 16
-	ldr r0, _08054FA8
-	ldrb r2, [r0]
-	movs r1, 0
-	cmp r1, r2
-	bge _08054FB6
-	ldr r4, _08054FAC
-_08054F9A:
-	adds r0, r1, r4
-	ldrb r0, [r0]
-	cmp r0, r3
-	beq _08054FB0
-	movs r0, 0
-	b _08054FB8
-	.align 2, 0
-_08054FA8: .4byte gUnknown_03004864
-_08054FAC: .4byte gUnknown_03000580
-_08054FB0:
-	adds r1, 0x1
-	cmp r1, r2
-	blt _08054F9A
-_08054FB6:
-	movs r0, 0x1
-_08054FB8:
-	pop {r4}
-	pop {r1}
-	bx r1
-	thumb_func_end sub_8054F88
-
-	thumb_func_start sub_8054FC0
-sub_8054FC0: @ 8054FC0
-	push {r4,lr}
-	lsls r0, 16
-	lsrs r3, r0, 16
-	ldr r0, _08054FE0
-	ldrb r2, [r0]
-	movs r1, 0
-	cmp r1, r2
-	bge _08054FEE
-	ldr r4, _08054FE4
-_08054FD2:
-	adds r0, r1, r4
-	ldrb r0, [r0]
-	cmp r0, r3
-	bne _08054FE8
-	movs r0, 0x1
-	b _08054FF0
-	.align 2, 0
-_08054FE0: .4byte gUnknown_03004864
-_08054FE4: .4byte gUnknown_03000580
-_08054FE8:
-	adds r1, 0x1
-	cmp r1, r2
-	blt _08054FD2
-_08054FEE:
-	movs r0, 0
-_08054FF0:
-	pop {r4}
-	pop {r1}
-	bx r1
-	thumb_func_end sub_8054FC0
-
-	thumb_func_start sub_8054FF8
-sub_8054FF8: @ 8054FF8
-	push {r4-r7,lr}
-	mov r7, r9
-	mov r6, r8
-	push {r6,r7}
-	adds r7, r0, 0
-	adds r6, r2, 0
-	mov r9, r3
-	lsls r1, 16
-	lsrs r1, 16
-	mov r8, r1
-	ldr r0, _08055048
-	adds r5, r7, r0
-	ldrb r0, [r5]
-	cmp r0, 0x80
-	beq _08055018
-	b _08055192
-_08055018:
-	adds r0, r6, 0
-	bl sub_8055648
-	adds r4, r0, 0
-	cmp r4, 0
-	beq _08055050
-	bl sub_8055758
-	mov r1, r9
-	strh r0, [r1]
-	movs r0, 0x81
-	strb r0, [r5]
-	ldrb r0, [r6, 0x1]
-	cmp r0, 0
-	bne _08055038
-	b _08055206
-_08055038:
-	ldr r0, _0805504C
-	bl sub_80543DC
-	adds r0, r4, 0
-	bl sub_8055808
-	b _08055206
-	.align 2, 0
-_08055048: .4byte gUnknown_03000580
-_0805504C: .4byte sub_80553E4
-_08055050:
-	movs r0, 0x83
-	bl sub_8054FC0
-	cmp r0, 0x1
-	bne _08055078
-	movs r0, 0x81
-	strb r0, [r5]
-	ldrb r0, [r6, 0x1]
-	cmp r0, 0
-	bne _08055066
-	b _08055206
-_08055066:
-	ldr r0, _08055074
-	bl sub_80543DC
-	bl sub_805585C
-	b _08055206
-	.align 2, 0
-_08055074: .4byte sub_80553E4
-_08055078:
-	mov r0, r8
-	subs r0, 0x12
-	cmp r0, 0xA
-	bls _08055082
-	b _08055192
-_08055082:
-	lsls r0, 2
-	ldr r1, _0805508C
-	adds r0, r1
-	ldr r0, [r0]
-	mov pc, r0
-	.align 2, 0
-_0805508C: .4byte _08055090
-	.align 2, 0
-_08055090:
-	.4byte _080550E8
-	.4byte _08055192
-	.4byte _08055192
-	.4byte _08055192
-	.4byte _08055192
-	.4byte _08055192
-	.4byte _080550BC
-	.4byte _08055114
-	.4byte _08055192
-	.4byte _08055144
-	.4byte _08055170
-_080550BC:
-	adds r0, r6, 0
-	bl sub_8055630
-	cmp r0, 0
-	beq _08055192
-	ldr r0, _080550E0
-	adds r0, r7, r0
-	movs r1, 0x81
-	strb r1, [r0]
-	ldrb r0, [r6, 0x1]
-	cmp r0, 0
-	beq _08055192
-	ldr r0, _080550E4
-	bl sub_80543DC
-	bl sub_80557F4
-	b _08055192
-	.align 2, 0
-_080550E0: .4byte gUnknown_03000580
-_080550E4: .4byte sub_80553E4
-_080550E8:
-	adds r0, r6, 0
-	bl sub_8055660
-	cmp r0, 0x1
-	bne _08055192
-	ldr r0, _0805510C
-	adds r0, r7, r0
-	movs r1, 0x81
-	strb r1, [r0]
-	ldrb r0, [r6, 0x1]
-	cmp r0, 0
-	beq _08055192
-	ldr r0, _08055110
-	bl sub_80543DC
-	bl sub_8055824
-	b _08055192
-	.align 2, 0
-_0805510C: .4byte gUnknown_03000580
-_08055110: .4byte sub_80553E4
-_08055114:
-	adds r0, r6, 0
-	bl sub_805568C
-	adds r4, r0, 0
-	cmp r4, 0
-	beq _08055192
-	ldr r0, _0805513C
-	adds r0, r7, r0
-	movs r1, 0x81
-	strb r1, [r0]
-	ldrb r0, [r6, 0x1]
-	cmp r0, 0
-	beq _08055192
-	ldr r0, _08055140
-	bl sub_80543DC
-	adds r0, r4, 0
-	bl sub_8055840
-	b _08055192
-	.align 2, 0
-_0805513C: .4byte gUnknown_03000580
-_08055140: .4byte sub_80553E4
-_08055144:
-	adds r0, r6, 0
-	bl sub_8055618
-	cmp r0, 0
-	beq _08055192
-	ldr r0, _08055168
-	adds r0, r7, r0
-	movs r1, 0x81
-	strb r1, [r0]
-	ldrb r0, [r6, 0x1]
-	cmp r0, 0
-	beq _08055192
-	ldr r0, _0805516C
-	bl sub_80543DC
-	bl sub_80557E8
-	b _08055192
-	.align 2, 0
-_08055168: .4byte gUnknown_03000580
-_0805516C: .4byte sub_8055408
-_08055170:
-	adds r0, r6, 0
-	bl sub_8055618
-	cmp r0, 0
-	beq _08055192
-	ldr r0, _080551A4
-	adds r0, r7, r0
-	movs r1, 0x81
-	strb r1, [r0]
-	ldrb r0, [r6, 0x1]
-	cmp r0, 0
-	beq _08055192
-	ldr r0, _080551A8
-	bl sub_80543DC
-	bl sub_80557E8
-_08055192:
-	mov r0, r8
-	cmp r0, 0x17
-	beq _080551B8
-	cmp r0, 0x17
-	bgt _080551AC
-	cmp r0, 0x16
-	beq _080551C8
-	b _08055206
-	.align 2, 0
-_080551A4: .4byte gUnknown_03000580
-_080551A8: .4byte sub_8055438
-_080551AC:
-	mov r1, r8
-	cmp r1, 0x1A
-	beq _080551D8
-	cmp r1, 0x1D
-	beq _080551F8
-	b _08055206
-_080551B8:
-	ldr r0, _080551C4
-	adds r0, r7, r0
-	movs r1, 0x83
-	strb r1, [r0]
-	b _08055206
-	.align 2, 0
-_080551C4: .4byte gUnknown_03000580
-_080551C8:
-	ldr r0, _080551D4
-	adds r0, r7, r0
-	movs r1, 0x82
-	strb r1, [r0]
-	b _08055206
-	.align 2, 0
-_080551D4: .4byte gUnknown_03000580
-_080551D8:
-	ldr r0, _080551F0
-	adds r0, r7, r0
-	movs r1, 0x80
-	strb r1, [r0]
-	ldrb r0, [r6, 0x1]
-	cmp r0, 0
-	beq _08055206
-	ldr r0, _080551F4
-	bl sub_80543DC
-	b _08055206
-	.align 2, 0
-_080551F0: .4byte gUnknown_03000580
-_080551F4: .4byte sub_8055390
-_080551F8:
-	ldr r0, _08055214
-	adds r1, r7, r0
-	ldrb r0, [r1]
-	cmp r0, 0x82
-	bne _08055206
-	movs r0, 0x81
-	strb r0, [r1]
-_08055206:
-	pop {r3,r4}
-	mov r8, r3
-	mov r9, r4
-	pop {r4-r7}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_08055214: .4byte gUnknown_03000580
-	thumb_func_end sub_8054FF8
-
-	thumb_func_start sub_8055218
-sub_8055218: @ 8055218
-	push {r4-r7,lr}
-	mov r7, r9
-	mov r6, r8
-	push {r6,r7}
-	sub sp, 0x14
-	mov r8, r1
-	movs r6, 0
-	add r4, sp, 0x10
-	mov r9, r4
-	adds r7, r0, 0
-_0805522C:
-	ldrh r5, [r7]
-	movs r0, 0
-	strh r0, [r4]
-	adds r0, r6, 0
-	mov r1, r8
-	mov r2, sp
-	bl sub_80555B0
-	adds r0, r6, 0
-	adds r1, r5, 0
-	mov r2, sp
-	adds r3, r4, 0
-	bl sub_8054FF8
-	ldr r0, _0805527C
-	adds r0, r6, r0
-	ldrb r0, [r0]
-	cmp r0, 0x80
-	bne _0805525C
-	adds r0, r5, 0
-	bl sub_805530C
-	mov r1, r9
-	strh r0, [r1]
-_0805525C:
-	lsls r0, r6, 24
-	lsrs r0, 24
-	ldrb r1, [r4]
-	bl sub_8055BFC
-	adds r7, 0x2
-	adds r6, 0x1
-	cmp r6, 0x3
-	ble _0805522C
-	add sp, 0x14
-	pop {r3,r4}
-	mov r8, r3
-	mov r9, r4
-	pop {r4-r7}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0805527C: .4byte gUnknown_03000580
-	thumb_func_end sub_8055218
-
-	thumb_func_start sub_8055280
-sub_8055280: @ 8055280
-	push {lr}
-	lsls r0, 16
-	lsrs r1, r0, 16
-	ldr r2, _08055298
-	adds r0, r2
-	lsrs r0, 16
-	cmp r0, 0xC
-	bhi _080552A0
-	ldr r0, _0805529C
-	strh r1, [r0]
-	b _080552A6
-	.align 2, 0
-_08055298: .4byte 0xffef0000
-_0805529C: .4byte word_3004858
-_080552A0:
-	ldr r1, _080552AC
-	movs r0, 0x11
-	strh r0, [r1]
-_080552A6:
-	pop {r0}
-	bx r0
-	.align 2, 0
-_080552AC: .4byte word_3004858
-	thumb_func_end sub_8055280
-
-	thumb_func_start sub_80552B0
-sub_80552B0: @ 80552B0
-	push {lr}
-	ldr r2, _080552C4
-	ldrh r1, [r2, 0x2C]
-	movs r0, 0x40
-	ands r0, r1
-	cmp r0, 0
-	beq _080552C8
-	movs r0, 0x13
-	b _08055308
-	.align 2, 0
-_080552C4: .4byte gMain
-_080552C8:
-	movs r0, 0x80
-	ands r0, r1
-	cmp r0, 0
-	beq _080552D4
-	movs r0, 0x12
-	b _08055308
-_080552D4:
-	movs r0, 0x20
-	ands r0, r1
-	cmp r0, 0
-	beq _080552E0
-	movs r0, 0x14
-	b _08055308
-_080552E0:
-	movs r0, 0x10
-	ands r0, r1
-	cmp r0, 0
-	beq _080552EC
-	movs r0, 0x15
-	b _08055308
-_080552EC:
-	ldrh r1, [r2, 0x2E]
-	movs r0, 0x8
-	ands r0, r1
-	cmp r0, 0
-	beq _080552FA
-	movs r0, 0x18
-	b _08055308
-_080552FA:
-	movs r0, 0x1
-	ands r0, r1
-	cmp r0, 0
-	bne _08055306
-	movs r0, 0x11
-	b _08055308
-_08055306:
-	movs r0, 0x19
-_08055308:
-	pop {r1}
-	bx r1
-	thumb_func_end sub_80552B0
-
-	thumb_func_start sub_805530C
-sub_805530C: @ 805530C
-	push {lr}
-	lsls r0, 16
-	lsrs r0, 16
-	adds r1, r0, 0
-	cmp r0, 0x13
-	beq _08055332
-	cmp r0, 0x13
-	bgt _08055322
-	cmp r0, 0x12
-	beq _08055336
-	b _0805533A
-_08055322:
-	cmp r1, 0x14
-	beq _0805532E
-	cmp r1, 0x15
-	bne _0805533A
-	movs r0, 0x4
-	b _0805533C
-_0805532E:
-	movs r0, 0x3
-	b _0805533C
-_08055332:
-	movs r0, 0x1
-	b _0805533C
-_08055336:
-	movs r0, 0x2
-	b _0805533C
-_0805533A:
-	movs r0, 0
-_0805533C:
-	pop {r1}
-	bx r1
-	thumb_func_end sub_805530C
-
-	thumb_func_start sub_8055340
-sub_8055340: @ 8055340
-	push {lr}
-	movs r2, 0x11
-	adds r1, r0, 0x6
-_08055346:
-	strh r2, [r1]
-	subs r1, 0x2
-	cmp r1, r0
-	bge _08055346
-	pop {r0}
-	bx r0
-	thumb_func_end sub_8055340
-
-	thumb_func_start sub_8055354
-sub_8055354: @ 8055354
-	push {r4,r5,lr}
-	ldr r0, _08055384
-	ldrb r4, [r0]
-	ldr r5, _08055388
-	adds r0, r5, 0
-	adds r1, r4, 0
-	bl sub_8055218
-	ldr r0, _0805538C
-	ldr r1, [r0]
-	adds r0, r4, 0
-	bl _call_via_r1
-	lsls r0, 16
-	lsrs r0, 16
-	bl sub_8055280
-	adds r0, r5, 0
-	bl sub_8055340
-	pop {r4,r5}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_08055384: .4byte gUnknown_03004860
-_08055388: .4byte word_3002910
-_0805538C: .4byte gUnknown_03000584
-	thumb_func_end sub_8055354
-
-	thumb_func_start sub_8055390
-sub_8055390: @ 8055390
-	push {r4,lr}
-	adds r4, r0, 0
-	bl ScriptContext2_IsEnabled
-	lsls r0, 24
-	lsrs r0, 24
-	cmp r0, 0x1
-	bne _080553A4
-	movs r0, 0x11
-	b _080553DA
-_080553A4:
-	ldr r1, _080553B4
-	ldr r2, _080553B8
-	adds r0, r1, r2
-	ldrb r0, [r0]
-	cmp r0, 0x4
-	bls _080553BC
-	movs r0, 0x1B
-	b _080553DA
-	.align 2, 0
-_080553B4: .4byte gLink
-_080553B8: .4byte 0x00000fbd
-_080553BC:
-	ldr r2, _080553CC
-	adds r0, r1, r2
-	ldrb r0, [r0]
-	cmp r0, 0x4
-	bls _080553D0
-	movs r0, 0x1C
-	b _080553DA
-	.align 2, 0
-_080553CC: .4byte 0x00000339
-_080553D0:
-	adds r0, r4, 0
-	bl sub_80552B0
-	lsls r0, 16
-	lsrs r0, 16
-_080553DA:
-	pop {r4}
-	pop {r1}
-	bx r1
-	thumb_func_end sub_8055390
-
-	thumb_func_start sub_80553E0
-sub_80553E0: @ 80553E0
-	movs r0, 0x11
-	bx lr
-	thumb_func_end sub_80553E0
-
-	thumb_func_start sub_80553E4
-sub_80553E4: @ 80553E4
-	push {r4,lr}
-	bl ScriptContext2_IsEnabled
-	lsls r0, 24
-	lsrs r0, 24
-	movs r4, 0x11
-	cmp r0, 0x1
-	beq _080553FC
-	movs r4, 0x1A
-	ldr r0, _08055404
-	bl sub_80543DC
-_080553FC:
-	adds r0, r4, 0
-	pop {r4}
-	pop {r1}
-	bx r1
-	.align 2, 0
-_08055404: .4byte sub_80553E0
-	thumb_func_end sub_80553E4
-
-	thumb_func_start sub_8055408
-sub_8055408: @ 8055408
-	push {r4,lr}
-	ldr r0, _0805542C
-	ldr r1, _08055430
-	adds r0, r1
-	ldrb r0, [r0]
-	movs r4, 0x11
-	cmp r0, 0x2
-	bhi _08055424
-	movs r4, 0x1A
-	bl ScriptContext2_Disable
-	ldr r0, _08055434
-	bl sub_80543DC
-_08055424:
-	adds r0, r4, 0
-	pop {r4}
-	pop {r1}
-	bx r1
-	.align 2, 0
-_0805542C: .4byte gLink
-_08055430: .4byte 0x00000fbd
-_08055434: .4byte sub_80553E0
-	thumb_func_end sub_8055408
-
-	thumb_func_start sub_8055438
-sub_8055438: @ 8055438
-	push {r4,lr}
-	ldr r0, _0805545C
-	ldr r1, _08055460
-	adds r0, r1
-	ldrb r0, [r0]
-	movs r4, 0x11
-	cmp r0, 0x2
-	bhi _08055454
-	movs r4, 0x1A
-	bl ScriptContext2_Disable
-	ldr r0, _08055464
-	bl sub_80543DC
-_08055454:
-	adds r0, r4, 0
-	pop {r4}
-	pop {r1}
-	bx r1
-	.align 2, 0
-_0805545C: .4byte gLink
-_08055460: .4byte 0x00000339
-_08055464: .4byte sub_80553E0
-	thumb_func_end sub_8055438
-
-	thumb_func_start sub_8055468
-sub_8055468: @ 8055468
-	movs r0, 0x11
-	bx lr
-	thumb_func_end sub_8055468
-
 	thumb_func_start sub_805546C
 sub_805546C: @ 805546C
 	push {lr}
diff --git a/include/link.h b/include/link.h
index ba6bcd6f9..f857b6d19 100644
--- a/include/link.h
+++ b/include/link.h
@@ -129,6 +129,8 @@ extern u16 gRecvCmds[CMD_LENGTH][MAX_LINK_PLAYERS];
 extern u32 gLinkStatus;
 extern u16 gSendCmd[CMD_LENGTH];
 extern u8 gShouldAdvanceLinkState;
+extern struct LinkPlayer gLinkPlayers[];
+extern u16 word_3002910[];
 
 void Task_DestroySelf(u8);
 void sub_8007270(u8);
diff --git a/src/rom4.c b/src/rom4.c
index 8331e3581..8e25494c5 100644
--- a/src/rom4.c
+++ b/src/rom4.c
@@ -7,6 +7,7 @@
 #include "main.h"
 #include "palette.h"
 #include "text.h"
+#include "link.h"
 
 #ifdef SAPPHIRE
 #define LEGENDARY_MUSIC BGM_OOAME  // Heavy Rain
@@ -41,6 +42,13 @@ struct UnkInputStruct
     u8 input_field_3;
 };
 
+struct UnkStruct_8054FF8
+{
+    u8 a;
+    u8 b;
+    u8 filler[14];
+};
+
 extern struct WarpData gUnknown_020297F0;
 extern struct WarpData gUnknown_020297F8;
 extern struct WarpData gUnknown_02029800;
@@ -49,9 +57,16 @@ extern struct UnkPlayerStruct gUnknown_02029810;
 extern u16 gUnknown_02029814;
 extern u8 gUnknown_02029816;
 
-extern void (*gUnknown_03000584)(void);
+extern u8 gUnknown_0202E85C;
+extern u8 gUnknown_0202E85D;
 
+extern u8 gUnknown_03000580[];
+extern u16 (*gUnknown_03000584)(u32);
+
+extern u16 word_3004858;
 extern void (*gUnknown_0300485C)(void);
+extern u8 gUnknown_03004860;
+extern u8 gUnknown_03004864;
 
 extern struct UnkTVStruct gUnknown_03004870;
 
@@ -120,7 +135,6 @@ void sub_8055354(void);
 void c2_overworld(void);
 void CB2_LoadMap2(void);
 void c2_80567AC(void);
-void sub_8055390(void);
 void c2_exit_to_overworld_2_link(void);
 void c2_exit_to_overworld_2_local(void);
 void FieldClearVBlankHBlankCallbacks(void);
@@ -137,6 +151,25 @@ void sub_8054C54(void);
 void sub_8054D4C(u32 a1);
 void sub_8054D90(void);
 void mli4_mapscripts_and_other(void);
+void sub_8054E20(void);
+void sub_8054E34(void);
+void sub_8054E60(void);
+void sub_8054E7C(void);
+void sub_8054E98(void);
+void sub_8054EC8(void);
+void sub_8054F48(void);
+void sub_8054F70(void);
+u16 sub_805530C(u16);
+void sub_8055340(u16 *);
+u16 sub_8055390(u32);
+u16 sub_80553E4(u32);
+u16 sub_8055408(u32);
+u16 sub_8055438(u32);
+void sub_8055980(u8, s16, s16, u8);
+u8 sub_8055AE8(u8);
+void sub_8055BFC(u8, u8);
+void sub_8055E5C(u8);
+void sub_8056C50(u16, u16);
 
 void sub_8052F5C(void)
 {
@@ -1097,7 +1130,7 @@ void set_callback1(MainCallback cb)
     gMain.callback1 = cb;
 }
 
-void sub_80543DC(void (*a1)(void))
+void sub_80543DC(u16 (*a1)(u32))
 {
     gUnknown_03000584 = a1;
 }
@@ -1687,3 +1720,350 @@ void mli4_mapscripts_and_other(void)
     ResetBerryTreeSparkleFlags();
     mapheader_run_first_tag4_script_list_match();
 }
+
+void sub_8054E20(void)
+{
+    sub_805B710(0, 0);
+    sub_80C8080();
+}
+
+void sub_8054E34(void)
+{
+    gMapObjects[gPlayerAvatar.mapObjectId].mapobj_bit_15 = 1;
+    InitCameraUpdateCallback(gPlayerAvatar.spriteId);
+}
+
+void sub_8054E60(void)
+{
+    InitCameraUpdateCallback(sub_8055AE8(gUnknown_03004860));
+}
+
+void sub_8054E7C(void)
+{
+    InitCameraUpdateCallback(sub_8055AE8(gUnknown_03004860));
+}
+
+void sub_8054E98(void)
+{
+    u16 x, y;
+    sav1_camera_get_focus_coords(&x, &y);
+    sub_8056C50(x + gUnknown_03004860, y);
+}
+
+void sub_8054EC8(void)
+{
+    u16 i;
+    u16 x, y;
+
+    sav1_camera_get_focus_coords(&x, &y);
+    x -= gUnknown_03004860;
+
+    for (i = 0; i < gUnknown_03004864; i++)
+    {
+        sub_8055980(i, i + x, y, gLinkPlayers[i].gender);
+        sub_8055E5C(i);
+    }
+
+    sub_8055340(word_3002910);
+}
+
+void sub_8054F48(void)
+{
+    u16 i;
+    for (i = 0; i < gUnknown_03004864; i++)
+        sub_8055E5C(i);
+}
+
+void sub_8054F70(void)
+{
+    int i;
+    for (i = 0; i < 4; i++)
+        gUnknown_03000580[i] = 0x80;
+}
+
+bool32 sub_8054F88(u16 a1)
+{
+    int i;
+    int count = gUnknown_03004864;
+
+    for (i = 0; i < count; i++)
+        if (gUnknown_03000580[i] != a1)
+            return FALSE;
+    return TRUE;
+}
+
+bool32 sub_8054FC0(u16 a1)
+{
+    int i;
+    int count = gUnknown_03004864;
+
+    for (i = 0; i < count; i++)
+        if (gUnknown_03000580[i] == a1)
+            return TRUE;
+    return FALSE;
+}
+
+void sub_8054FF8(u32 a1, u16 a2, struct UnkStruct_8054FF8 *a3, u16 *a4)
+{
+    u8 *script;
+
+    if (gUnknown_03000580[a1] == 0x80)
+    {
+        script = sub_8055648(a3);
+        if (script)
+        {
+            *a4 = sub_8055758(script);
+            gUnknown_03000580[a1] = 0x81;
+            if (a3->b)
+            {
+                sub_80543DC(sub_80553E4);
+                sub_8055808(script);
+            }
+            return;
+        }
+        if (sub_8054FC0(0x83) == 1)
+        {
+            gUnknown_03000580[a1] = 0x81;
+            if (a3->b)
+            {
+                sub_80543DC(sub_80553E4);
+                sub_805585C();
+            }
+            return;
+        }
+        switch (a2)
+        {
+        case 24:
+            if (sub_8055630(a3))
+            {
+                gUnknown_03000580[a1] = 0x81;
+                if (a3->b)
+                {
+                    sub_80543DC(sub_80553E4);
+                    sub_80557F4();
+                }
+            }
+            break;
+        case 18:
+            if (sub_8055660(a3) == 1)
+            {
+                gUnknown_03000580[a1] = 0x81;
+                if (a3->b)
+                {
+                    sub_80543DC(sub_80553E4);
+                    sub_8055824();
+                }
+            }
+            break;
+        case 25:
+            script = sub_805568C(a3);
+            if (script)
+            {
+                gUnknown_03000580[a1] = 0x81;
+                if (a3->b)
+                {
+                    sub_80543DC(sub_80553E4);
+                    sub_8055840(script);
+                }
+            }
+            break;
+        case 27:
+            if (sub_8055618(a3))
+            {
+                gUnknown_03000580[a1] = 0x81;
+                if (a3->b)
+                {
+                    sub_80543DC(sub_8055408);
+                    sub_80557E8();
+                }
+            }
+            break;
+        case 28:
+            if (sub_8055618(a3))
+            {
+                gUnknown_03000580[a1] = 0x81;
+                if (a3->b)
+                {
+                    sub_80543DC(sub_8055438);
+                    sub_80557E8();
+                }
+            }
+            break;
+        }
+    }
+
+    switch (a2)
+    {
+    case 23:
+        gUnknown_03000580[a1] = 0x83;
+        break;
+    case 22:
+        gUnknown_03000580[a1] = 0x82;
+        break;
+    case 26:
+        gUnknown_03000580[a1] = 0x80;
+        if (a3->b)
+            sub_80543DC(sub_8055390);
+        break;
+    case 29:
+        if (gUnknown_03000580[a1] == 0x82)
+            gUnknown_03000580[a1] = 0x81;
+        break;
+    }
+}
+
+void sub_8055218(u16 *a1, int a2)
+{
+    struct UnkStruct_8054FF8 st;
+    int i;
+    for (i = 0; i < 4; i++)
+    {
+        u16 v5 = a1[i];
+        u16 v8 = 0;
+        sub_80555B0(i, a2, &st);
+        sub_8054FF8(i, v5, &st, &v8);
+        if (gUnknown_03000580[i] == 0x80)
+            v8 = sub_805530C(v5);
+        sub_8055BFC(i, v8);
+    }
+}
+
+void sub_8055280(u16 a1)
+{
+    if (a1 >= 17 && a1 < 30)
+        word_3004858 = a1;
+    else
+        word_3004858 = 17;
+}
+
+u16 sub_80552B0(u32 a1)
+{
+    if (gMain.heldKeys & 0x40)
+    {
+        return 19;
+    }
+    else if (gMain.heldKeys & 0x80)
+    {
+        return 18;
+    }
+    else if (gMain.heldKeys & 0x20)
+    {
+        return 20;
+    }
+    else if (gMain.heldKeys & 0x10)
+    {
+        return 21;
+    }
+    else if (gMain.newKeys & 8)
+    {
+        return 24;
+    }
+    else if (gMain.newKeys & 1)
+    {
+        return 25;
+    }
+    else
+    {
+        return 17;
+    }
+}
+
+u16 sub_805530C(u16 a1)
+{
+    switch (a1)
+    {
+    case 21:
+        return 4;
+    case 20:
+        return 3;
+    case 19:
+        return 1;
+    case 18:
+        return 2;
+    default:
+        return 0;
+    }
+}
+
+void sub_8055340(u16 *a1)
+{
+    int i;
+    for (i = 0; i < 4; i++)
+        a1[i] = 17;
+}
+
+void sub_8055354(void)
+{
+    u8 val = gUnknown_03004860;
+    sub_8055218(word_3002910, val);
+    sub_8055280(gUnknown_03000584(val));
+    sub_8055340(word_3002910);
+}
+
+u16 sub_8055390(u32 a1)
+{
+    if (ScriptContext2_IsEnabled() == 1)
+        return 17;
+    if (gLink.recvQueue.count > 4)
+        return 27;
+    if (gLink.sendQueue.count <= 4)
+        return sub_80552B0(a1);
+    return 28;
+}
+
+u16 sub_80553E0(u32 a1)
+{
+    return 17;
+}
+
+u16 sub_80553E4(u32 a1)
+{
+    u16 retVal;
+    if (ScriptContext2_IsEnabled() == 1)
+    {
+        retVal = 17;
+    }
+    else
+    {
+        retVal = 26;
+        sub_80543DC(sub_80553E0);
+    }
+    return retVal;
+}
+
+u16 sub_8055408(u32 a1)
+{
+    u16 retVal;
+    if (gLink.recvQueue.count > 2)
+    {
+        retVal = 17;
+    }
+    else
+    {
+        retVal = 26;
+        ScriptContext2_Disable();
+        sub_80543DC(sub_80553E0);
+    }
+    return retVal;
+}
+
+u16 sub_8055438(u32 a1)
+{
+    u16 retVal;
+    if (gLink.sendQueue.count > 2)
+    {
+        retVal = 17;
+    }
+    else
+    {
+        retVal = 26;
+        ScriptContext2_Disable();
+        sub_80543DC(sub_80553E0);
+    }
+    return retVal;
+}
+
+u16 sub_8055468(u16 a1)
+{
+    return 17;
+}