box_party_pokemon_dropdown

6 files changed, 229 insertions, 716 deletions

diff --git a/asm/box_party_pokemon_dropdown.s b/asm/box_party_pokemon_dropdown.s
deleted file mode 100644
index 86ebbae85..000000000
--- a/asm/box_party_pokemon_dropdown.s
+++ /dev/null
@@ -1,690 +0,0 @@
-	.include "asm/macros.inc"
-	.include "constants/constants.inc"
-
-	.syntax unified
-
-	.text
-
-	thumb_func_start sub_80F7AD8
-sub_80F7AD8: @ 80F7AD8
-	push {r4-r6,lr}
-	lsls r0, 24
-	lsrs r4, r0, 24
-	ldr r6, _080F7B24 @ =gUnknown_203ABE4
-	lsls r0, r4, 1
-	adds r0, r4
-	lsls r0, 4
-	bl Alloc
-	str r0, [r6]
-	ldr r5, _080F7B28 @ =gUnknown_203ABE8
-	movs r1, 0
-	cmp r0, 0
-	beq _080F7AF6
-	adds r1, r4, 0
-_080F7AF6:
-	strh r1, [r5]
-	movs r2, 0
-	cmp r2, r1
-	bcs _080F7B1E
-	movs r3, 0
-	adds r4, r5, 0
-_080F7B02:
-	ldr r0, [r6]
-	lsls r1, r2, 1
-	adds r1, r2
-	lsls r1, 4
-	adds r1, r0
-	str r3, [r1, 0x18]
-	adds r1, 0x2C
-	strb r3, [r1]
-	adds r0, r2, 0x1
-	lsls r0, 16
-	lsrs r2, r0, 16
-	ldrh r0, [r4]
-	cmp r2, r0
-	bcc _080F7B02
-_080F7B1E:
-	pop {r4-r6}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_080F7B24: .4byte gUnknown_203ABE4
-_080F7B28: .4byte gUnknown_203ABE8
-	thumb_func_end sub_80F7AD8
-
-	thumb_func_start sub_80F7B2C
-sub_80F7B2C: @ 80F7B2C
-	push {lr}
-	ldr r0, _080F7B3C @ =gUnknown_203ABE4
-	ldr r0, [r0]
-	bl Free
-	pop {r0}
-	bx r0
-	.align 2, 0
-_080F7B3C: .4byte gUnknown_203ABE4
-	thumb_func_end sub_80F7B2C
-
-	thumb_func_start sub_80F7B40
-sub_80F7B40: @ 80F7B40
-	push {r4,r5,lr}
-	movs r4, 0
-	ldr r0, _080F7B78 @ =gUnknown_203ABE8
-	ldrh r0, [r0]
-	cmp r4, r0
-	bge _080F7B70
-	movs r5, 0
-_080F7B4E:
-	ldr r0, _080F7B7C @ =gUnknown_203ABE4
-	ldr r0, [r0]
-	adds r0, r5, r0
-	adds r0, 0x2C
-	ldrb r0, [r0]
-	cmp r0, 0x1
-	bne _080F7B64
-	lsls r0, r4, 24
-	lsrs r0, 24
-	bl sub_80F7E54
-_080F7B64:
-	adds r5, 0x30
-	adds r4, 0x1
-	ldr r0, _080F7B78 @ =gUnknown_203ABE8
-	ldrh r0, [r0]
-	cmp r4, r0
-	blt _080F7B4E
-_080F7B70:
-	pop {r4,r5}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_080F7B78: .4byte gUnknown_203ABE8
-_080F7B7C: .4byte gUnknown_203ABE4
-	thumb_func_end sub_80F7B40
-
-	thumb_func_start sub_80F7B80
-sub_80F7B80: @ 80F7B80
-	push {r4-r7,lr}
-	mov r7, r10
-	mov r6, r9
-	mov r5, r8
-	push {r5-r7}
-	sub sp, 0x4
-	adds r4, r2, 0
-	ldr r2, [sp, 0x24]
-	lsls r0, 24
-	lsrs r6, r0, 24
-	lsls r1, 24
-	lsrs r7, r1, 24
-	lsls r3, 16
-	lsrs r3, 16
-	mov r10, r3
-	lsls r2, 16
-	lsrs r2, 16
-	str r2, [sp]
-	ldr r0, _080F7C18 @ =gUnknown_203ABE8
-	ldrh r0, [r0]
-	cmp r6, r0
-	bcs _080F7C68
-	ldr r0, _080F7C1C @ =gUnknown_203ABE4
-	mov r9, r0
-	ldr r0, [r0]
-	lsls r1, r6, 1
-	mov r8, r1
-	adds r5, r1, r6
-	lsls r5, 4
-	adds r0, r5, r0
-	movs r1, 0
-	str r1, [r0, 0x18]
-	str r4, [r0, 0x1C]
-	adds r0, 0x2B
-	strb r7, [r0]
-	mov r2, r9
-	ldr r0, [r2]
-	adds r0, r5, r0
-	mov r3, r10
-	strh r3, [r0, 0x24]
-	mov r1, sp
-	ldrh r1, [r1]
-	strh r1, [r0, 0x26]
-	adds r0, r7, 0
-	movs r1, 0x3
-	bl GetBgAttribute
-	adds r4, r0, 0
-	lsls r4, 16
-	lsrs r4, 16
-	adds r0, r7, 0
-	movs r1, 0x9
-	bl GetBgAttribute
-	lsls r0, 16
-	lsrs r0, 16
-	mov r2, r9
-	ldr r1, [r2]
-	adds r5, r1
-	ldr r2, _080F7C20 @ =gUnknown_841F4B4
-	lsls r4, 2
-	lsls r1, r0, 4
-	adds r4, r1
-	adds r4, r2
-	ldrh r1, [r4]
-	strh r1, [r5, 0x20]
-	ldrh r1, [r4, 0x2]
-	strh r1, [r5, 0x22]
-	mov r2, r8
-	cmp r0, 0
-	beq _080F7C24
-	adds r1, r5, 0
-	adds r1, 0x2A
-	movs r0, 0x1
-	b _080F7C2A
-	.align 2, 0
-_080F7C18: .4byte gUnknown_203ABE8
-_080F7C1C: .4byte gUnknown_203ABE4
-_080F7C20: .4byte gUnknown_841F4B4
-_080F7C24:
-	adds r1, r5, 0
-	adds r1, 0x2A
-	movs r0, 0x2
-_080F7C2A:
-	strb r0, [r1]
-	ldr r4, _080F7C78 @ =gUnknown_203ABE4
-	ldr r1, [r4]
-	adds r2, r6
-	lsls r2, 4
-	adds r1, r2, r1
-	adds r0, r1, 0
-	adds r0, 0x2A
-	ldrb r0, [r0]
-	mov r3, r10
-	muls r3, r0
-	movs r0, 0
-	strh r3, [r1, 0x28]
-	mov r3, r10
-	strh r3, [r1, 0x10]
-	mov r5, sp
-	ldrh r5, [r5]
-	strh r5, [r1, 0x12]
-	strh r0, [r1, 0xC]
-	strh r0, [r1, 0xE]
-	strh r0, [r1, 0x14]
-	strh r0, [r1, 0x16]
-	adds r0, r1, 0
-	adds r0, 0xC
-	ldm r0!, {r3,r5,r6}
-	stm r1!, {r3,r5,r6}
-	ldr r0, [r4]
-	adds r2, r0
-	adds r2, 0x2C
-	movs r0, 0x1
-	strb r0, [r2]
-_080F7C68:
-	add sp, 0x4
-	pop {r3-r5}
-	mov r8, r3
-	mov r9, r4
-	mov r10, r5
-	pop {r4-r7}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_080F7C78: .4byte gUnknown_203ABE4
-	thumb_func_end sub_80F7B80
-
-	thumb_func_start sub_80F7C7C
-sub_80F7C7C: @ 80F7C7C
-	push {lr}
-	adds r3, r1, 0
-	lsls r0, 24
-	lsrs r2, r0, 24
-	ldr r0, _080F7CA4 @ =gUnknown_203ABE8
-	ldrh r0, [r0]
-	cmp r2, r0
-	bcs _080F7CA0
-	ldr r0, _080F7CA8 @ =gUnknown_203ABE4
-	ldr r1, [r0]
-	lsls r0, r2, 1
-	adds r0, r2
-	lsls r0, 4
-	adds r0, r1
-	str r3, [r0, 0x18]
-	adds r0, 0x2C
-	movs r1, 0x1
-	strb r1, [r0]
-_080F7CA0:
-	pop {r0}
-	bx r0
-	.align 2, 0
-_080F7CA4: .4byte gUnknown_203ABE8
-_080F7CA8: .4byte gUnknown_203ABE4
-	thumb_func_end sub_80F7C7C
-
-	thumb_func_start sub_80F7CAC
-sub_80F7CAC: @ 80F7CAC
-	push {r4,lr}
-	lsls r0, 24
-	lsrs r3, r0, 24
-	lsls r1, 16
-	lsrs r4, r1, 16
-	lsls r2, 16
-	lsrs r2, 16
-	ldr r0, _080F7CE0 @ =gUnknown_203ABE8
-	ldrh r0, [r0]
-	cmp r3, r0
-	bcs _080F7CD8
-	ldr r0, _080F7CE4 @ =gUnknown_203ABE4
-	ldr r1, [r0]
-	lsls r0, r3, 1
-	adds r0, r3
-	lsls r0, 4
-	adds r0, r1
-	strh r4, [r0, 0x14]
-	strh r2, [r0, 0x16]
-	adds r0, 0x2C
-	movs r1, 0x1
-	strb r1, [r0]
-_080F7CD8:
-	pop {r4}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_080F7CE0: .4byte gUnknown_203ABE8
-_080F7CE4: .4byte gUnknown_203ABE4
-	thumb_func_end sub_80F7CAC
-
-	thumb_func_start sub_80F7CE8
-sub_80F7CE8: @ 80F7CE8
-	push {r4-r6,lr}
-	ldr r4, [sp, 0x10]
-	lsls r0, 24
-	lsrs r5, r0, 24
-	lsls r1, 16
-	lsrs r6, r1, 16
-	lsls r2, 16
-	lsrs r2, 16
-	lsls r3, 16
-	lsrs r3, 16
-	lsls r4, 16
-	lsrs r4, 16
-	ldr r0, _080F7D28 @ =gUnknown_203ABE8
-	ldrh r0, [r0]
-	cmp r5, r0
-	bcs _080F7D22
-	ldr r0, _080F7D2C @ =gUnknown_203ABE4
-	ldr r1, [r0]
-	lsls r0, r5, 1
-	adds r0, r5
-	lsls r0, 4
-	adds r0, r1
-	strh r6, [r0, 0xC]
-	strh r2, [r0, 0xE]
-	strh r3, [r0, 0x10]
-	strh r4, [r0, 0x12]
-	adds r0, 0x2C
-	movs r1, 0x1
-	strb r1, [r0]
-_080F7D22:
-	pop {r4-r6}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_080F7D28: .4byte gUnknown_203ABE8
-_080F7D2C: .4byte gUnknown_203ABE4
-	thumb_func_end sub_80F7CE8
-
-	thumb_func_start sub_80F7D30
-sub_80F7D30: @ 80F7D30
-	push {r4-r6,lr}
-	lsls r0, 24
-	lsrs r5, r0, 24
-	lsls r1, 24
-	lsrs r1, 24
-	lsls r2, 24
-	lsrs r6, r2, 24
-	ldr r0, _080F7D5C @ =gUnknown_203ABE8
-	ldrh r0, [r0]
-	cmp r5, r0
-	bcc _080F7D48
-	b _080F7E4A
-_080F7D48:
-	ldr r4, _080F7D60 @ =gUnknown_203ABE4
-	lsls r2, r5, 1
-	cmp r1, 0x5
-	bls _080F7D52
-	b _080F7E3C
-_080F7D52:
-	lsls r0, r1, 2
-	ldr r1, _080F7D64 @ =_080F7D68
-	adds r0, r1
-	ldr r0, [r0]
-	mov pc, r0
-	.align 2, 0
-_080F7D5C: .4byte gUnknown_203ABE8
-_080F7D60: .4byte gUnknown_203ABE4
-_080F7D64: .4byte _080F7D68
-	.align 2, 0
-_080F7D68:
-	.4byte _080F7D80
-	.4byte _080F7DA0
-	.4byte _080F7DC4
-	.4byte _080F7DE4
-	.4byte _080F7E08
-	.4byte _080F7E24
-_080F7D80:
-	ldr r4, _080F7D9C @ =gUnknown_203ABE4
-	ldr r0, [r4]
-	lsls r3, r5, 1
-	adds r1, r3, r5
-	lsls r1, 4
-	adds r1, r0
-	lsls r2, r6, 24
-	asrs r2, 24
-	ldrh r0, [r1, 0x14]
-	adds r0, r2
-	strh r0, [r1, 0x14]
-	ldrh r0, [r1, 0x10]
-	subs r0, r2
-	b _080F7DBA
-	.align 2, 0
-_080F7D9C: .4byte gUnknown_203ABE4
-_080F7DA0:
-	ldr r4, _080F7DC0 @ =gUnknown_203ABE4
-	ldr r0, [r4]
-	lsls r3, r5, 1
-	adds r1, r3, r5
-	lsls r1, 4
-	adds r1, r0
-	lsls r2, r6, 24
-	asrs r2, 24
-	ldrh r0, [r1, 0xC]
-	adds r0, r2
-	strh r0, [r1, 0xC]
-	ldrh r0, [r1, 0x10]
-	adds r0, r2
-_080F7DBA:
-	strh r0, [r1, 0x10]
-	adds r2, r3, 0
-	b _080F7E3C
-	.align 2, 0
-_080F7DC0: .4byte gUnknown_203ABE4
-_080F7DC4:
-	ldr r4, _080F7DE0 @ =gUnknown_203ABE4
-	ldr r0, [r4]
-	lsls r3, r5, 1
-	adds r1, r3, r5
-	lsls r1, 4
-	adds r1, r0
-	lsls r2, r6, 24
-	asrs r2, 24
-	ldrh r0, [r1, 0x16]
-	adds r0, r2
-	strh r0, [r1, 0x16]
-	ldrh r0, [r1, 0x12]
-	subs r0, r2
-	b _080F7DFE
-	.align 2, 0
-_080F7DE0: .4byte gUnknown_203ABE4
-_080F7DE4:
-	ldr r4, _080F7E04 @ =gUnknown_203ABE4
-	ldr r0, [r4]
-	lsls r3, r5, 1
-	adds r1, r3, r5
-	lsls r1, 4
-	adds r1, r0
-	lsls r2, r6, 24
-	asrs r2, 24
-	ldrh r0, [r1, 0xE]
-	subs r0, r2
-	strh r0, [r1, 0xE]
-	ldrh r0, [r1, 0x12]
-	adds r0, r2
-_080F7DFE:
-	strh r0, [r1, 0x12]
-	adds r2, r3, 0
-	b _080F7E3C
-	.align 2, 0
-_080F7E04: .4byte gUnknown_203ABE4
-_080F7E08:
-	ldr r3, _080F7E20 @ =gUnknown_203ABE4
-	ldr r0, [r3]
-	lsls r2, r5, 1
-	adds r1, r2, r5
-	lsls r1, 4
-	adds r1, r0
-	lsls r0, r6, 24
-	asrs r0, 24
-	ldrh r4, [r1, 0x14]
-	adds r0, r4
-	strh r0, [r1, 0x14]
-	b _080F7E3A
-	.align 2, 0
-_080F7E20: .4byte gUnknown_203ABE4
-_080F7E24:
-	ldr r3, _080F7E50 @ =gUnknown_203ABE4
-	ldr r0, [r3]
-	lsls r2, r5, 1
-	adds r1, r2, r5
-	lsls r1, 4
-	adds r1, r0
-	lsls r0, r6, 24
-	asrs r0, 24
-	ldrh r4, [r1, 0x16]
-	adds r0, r4
-	strh r0, [r1, 0x16]
-_080F7E3A:
-	adds r4, r3, 0
-_080F7E3C:
-	ldr r0, [r4]
-	adds r1, r2, r5
-	lsls r1, 4
-	adds r1, r0
-	adds r1, 0x2C
-	movs r0, 0x1
-	strb r0, [r1]
-_080F7E4A:
-	pop {r4-r6}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_080F7E50: .4byte gUnknown_203ABE4
-	thumb_func_end sub_80F7D30
-
-	thumb_func_start sub_80F7E54
-sub_80F7E54: @ 80F7E54
-	push {r4-r6,lr}
-	lsls r0, 24
-	lsrs r2, r0, 24
-	adds r6, r2, 0
-	ldr r0, _080F7E94 @ =gUnknown_203ABE8
-	ldrh r0, [r0]
-	cmp r2, r0
-	bcs _080F7E8E
-	ldr r5, _080F7E98 @ =gUnknown_203ABE4
-	ldr r0, [r5]
-	lsls r1, r2, 1
-	adds r1, r2
-	lsls r4, r1, 4
-	adds r0, r4, r0
-	ldr r0, [r0, 0x18]
-	cmp r0, 0
-	beq _080F7E7C
-	adds r0, r2, 0
-	bl sub_80F7E9C
-_080F7E7C:
-	adds r0, r6, 0
-	bl sub_80F7F34
-	ldr r1, [r5]
-	adds r1, r4, r1
-	adds r0, r1, 0
-	adds r0, 0xC
-	ldm r0!, {r2-r4}
-	stm r1!, {r2-r4}
-_080F7E8E:
-	pop {r4-r6}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_080F7E94: .4byte gUnknown_203ABE8
-_080F7E98: .4byte gUnknown_203ABE4
-	thumb_func_end sub_80F7E54
-
-	thumb_func_start sub_80F7E9C
-sub_80F7E9C: @ 80F7E9C
-	push {r4-r7,lr}
-	mov r7, r10
-	mov r6, r9
-	mov r5, r8
-	push {r5-r7}
-	sub sp, 0x8
-	lsls r0, 24
-	lsrs r0, 24
-	mov r8, r0
-	ldr r4, _080F7F30 @ =gUnknown_203ABE4
-	ldr r1, [r4]
-	lsls r5, r0, 1
-	adds r0, r5, r0
-	lsls r0, 4
-	adds r0, r1
-	adds r1, r0, 0
-	adds r1, 0x2A
-	ldrb r3, [r1]
-	ldrh r1, [r0, 0x20]
-	adds r2, r3, 0
-	muls r2, r1
-	mov r9, r2
-	movs r6, 0xA
-	ldrsh r1, [r0, r6]
-	mov r2, r9
-	muls r2, r1
-	ldr r1, [r0, 0x18]
-	adds r1, r2
-	movs r6, 0x8
-	ldrsh r2, [r0, r6]
-	muls r2, r3
-	adds r7, r1, r2
-	movs r6, 0
-	ldrh r0, [r0, 0x6]
-	cmp r6, r0
-	bge _080F7F20
-	mov r10, r4
-_080F7EE6:
-	mov r0, r10
-	ldr r1, [r0]
-	mov r2, r8
-	adds r4, r5, r2
-	lsls r4, 4
-	adds r1, r4, r1
-	adds r0, r1, 0
-	adds r0, 0x2B
-	ldrb r0, [r0]
-	ldrb r2, [r1, 0x8]
-	ldrb r3, [r1, 0xA]
-	adds r3, r6
-	lsls r3, 24
-	lsrs r3, 24
-	ldrb r1, [r1, 0x4]
-	str r1, [sp]
-	movs r1, 0x1
-	str r1, [sp, 0x4]
-	adds r1, r7, 0
-	bl CopyToBgTilemapBufferRect
-	add r7, r9
-	adds r6, 0x1
-	mov r1, r10
-	ldr r0, [r1]
-	adds r4, r0
-	ldrh r4, [r4, 0x6]
-	cmp r6, r4
-	blt _080F7EE6
-_080F7F20:
-	add sp, 0x8
-	pop {r3-r5}
-	mov r8, r3
-	mov r9, r4
-	mov r10, r5
-	pop {r4-r7}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_080F7F30: .4byte gUnknown_203ABE4
-	thumb_func_end sub_80F7E9C
-
-	thumb_func_start sub_80F7F34
-sub_80F7F34: @ 80F7F34
-	push {r4-r7,lr}
-	mov r7, r10
-	mov r6, r9
-	mov r5, r8
-	push {r5-r7}
-	sub sp, 0x8
-	lsls r0, 24
-	lsrs r0, 24
-	mov r8, r0
-	ldr r4, _080F7FC8 @ =gUnknown_203ABE4
-	ldr r1, [r4]
-	lsls r5, r0, 1
-	adds r0, r5, r0
-	lsls r0, 4
-	adds r0, r1
-	adds r1, r0, 0
-	adds r1, 0x2A
-	ldrb r3, [r1]
-	ldrh r1, [r0, 0x24]
-	adds r2, r3, 0
-	muls r2, r1
-	mov r9, r2
-	movs r6, 0xE
-	ldrsh r1, [r0, r6]
-	mov r2, r9
-	muls r2, r1
-	ldr r1, [r0, 0x1C]
-	adds r1, r2
-	movs r6, 0xC
-	ldrsh r2, [r0, r6]
-	muls r2, r3
-	adds r7, r1, r2
-	movs r6, 0
-	ldrh r0, [r0, 0x12]
-	cmp r6, r0
-	bge _080F7FB8
-	mov r10, r4
-_080F7F7E:
-	mov r0, r10
-	ldr r1, [r0]
-	mov r2, r8
-	adds r4, r5, r2
-	lsls r4, 4
-	adds r1, r4, r1
-	adds r0, r1, 0
-	adds r0, 0x2B
-	ldrb r0, [r0]
-	ldrb r2, [r1, 0x14]
-	ldrb r3, [r1, 0x16]
-	adds r3, r6
-	lsls r3, 24
-	lsrs r3, 24
-	ldrb r1, [r1, 0x10]
-	str r1, [sp]
-	movs r1, 0x1
-	str r1, [sp, 0x4]
-	adds r1, r7, 0
-	bl CopyToBgTilemapBufferRect
-	add r7, r9
-	adds r6, 0x1
-	mov r1, r10
-	ldr r0, [r1]
-	adds r4, r0
-	ldrh r4, [r4, 0x12]
-	cmp r6, r4
-	blt _080F7F7E
-_080F7FB8:
-	add sp, 0x8
-	pop {r3-r5}
-	mov r8, r3
-	mov r9, r4
-	mov r10, r5
-	pop {r4-r7}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_080F7FC8: .4byte gUnknown_203ABE4
-	thumb_func_end sub_80F7F34
-
-	.align 2, 0 @ Don't pad with nop.
diff --git a/data/box_party_pokemon_dropdown.s b/data/box_party_pokemon_dropdown.s
deleted file mode 100644
index 275b53db2..000000000
--- a/data/box_party_pokemon_dropdown.s
+++ /dev/null
@@ -1,18 +0,0 @@
-#include "constants/region_map.h"
-#include "constants/flags.h"
-#include "constants/moves.h"
-	.include "asm/macros.inc"
-	.include "constants/constants.inc"
-	.section .rodata
-	.align 2
-
-gUnknown_841F4B4:: @ 841F4B4
-	.2byte 0x0100, 0x0100
-	.2byte 0x0200, 0x0100
-	.2byte 0x0100, 0x0200
-	.2byte 0x0200, 0x0200
-
-	.2byte 0x0080, 0x0080
-	.2byte 0x0100, 0x0100
-	.2byte 0x0200, 0x0200
-	.2byte 0x0400, 0x0400
diff --git a/include/box_party_pokemon_dropdown.h b/include/box_party_pokemon_dropdown.h
new file mode 100644
index 000000000..e1ca7256f
--- /dev/null
+++ b/include/box_party_pokemon_dropdown.h
@@ -0,0 +1,14 @@
+#ifndef GUARD_BOX_PARTY_POKEMON_DROPDOWN_H
+#define GUARD_BOX_PARTY_POKEMON_DROPDOWN_H
+
+void sub_80F7AD8(u8 num);
+void sub_80F7B2C(void);
+void sub_80F7B40(void);
+void sub_80F7B80(u8 a0, u8 a1, const void * a2, u16 a3, u16 a4);
+void sub_80F7C7C(u8 a0, const void * a1);
+void sub_80F7CAC(u8 a0, u16 a1, u16 a2);
+void sub_80F7CE8(u8 a0, u16 a1, u16 a2, u16 a3, u16 a4);
+void sub_80F7D30(u8 a0, u8 a1, s8 a2);
+void sub_80F7E54(u8 a0);
+
+#endif //GUARD_BOX_PARTY_POKEMON_DROPDOWN_H
diff --git a/ld_script.txt b/ld_script.txt
index ecf5857f1..d6dec1ea3 100644
--- a/ld_script.txt
+++ b/ld_script.txt
@@ -222,7 +222,7 @@ SECTIONS {
         src/evolution_graphics.o(.text);
         src/fldeff_teleport.o(.text);
         src/new_menu_helpers.o(.text);
-        asm/box_party_pokemon_dropdown.o(.text);
+        src/box_party_pokemon_dropdown.o(.text);
         src/save_menu_util.o(.text);
         src/map_preview_screen.o(.text);
         src/link_rfu_2.o(.text);
@@ -509,7 +509,7 @@ SECTIONS {
         data/clear_save_data_screen.o(.rodata);
         src/evolution_graphics.o(.rodata);
         src/new_menu_helpers.o(.rodata);
-        data/box_party_pokemon_dropdown.o(.rodata);
+        src/box_party_pokemon_dropdown.o(.rodata);
         src/map_preview_screen.o(.rodata);
         src/link_rfu_2.o(.rodata);
         src/link_rfu_3.o(.rodata);
diff --git a/src/box_party_pokemon_dropdown.c b/src/box_party_pokemon_dropdown.c
new file mode 100644
index 000000000..3ef9f2d27
--- /dev/null
+++ b/src/box_party_pokemon_dropdown.c
@@ -0,0 +1,212 @@
+#include "global.h"
+#include "bg.h"
+#include "box_party_pokemon_dropdown.h"
+#include "malloc.h"
+
+struct UnkStruct_203ABE4_Sub
+{
+    s16 destX;
+    s16 destY;
+    u16 width;
+    u16 height;
+    s16 destX2;
+    s16 destY2;
+};
+
+struct UnkStruct_203ABE4
+{
+    struct UnkStruct_203ABE4_Sub map1rect;
+    struct UnkStruct_203ABE4_Sub map2rect;
+    const void * src1;
+    const void * src2;
+    u16 src1Height;
+    u16 src1Width;
+    u16 src2Height;
+    u16 unk_26;
+    u16 unk_28;
+    u8 mapSize;
+    u8 bgId;
+    bool8 bgUpdateScheduled;
+};
+
+static EWRAM_DATA struct UnkStruct_203ABE4 * sBoxPartyPokemonDropdownPtr = NULL;
+static EWRAM_DATA u16 sBoxPartyPokemonDropdownCount = 0;
+
+static void PushMap1(u8 a0);
+static void PushMap2(u8 a0);
+
+static const struct {
+    u16 height;
+    u16 width;
+} sBGdims[2][4] = {
+    {
+        {0x0100, 0x0100},
+        {0x0200, 0x0100},
+        {0x0100, 0x0200},
+        {0x0200, 0x0200}
+    }, {
+        {0x0080, 0x0080},
+        {0x0100, 0x0100},
+        {0x0200, 0x0200},
+        {0x0400, 0x0400}
+    }
+};
+
+void sub_80F7AD8(u8 num)
+{
+    u16 i;
+    sBoxPartyPokemonDropdownPtr = Alloc(num * sizeof(struct UnkStruct_203ABE4));
+    sBoxPartyPokemonDropdownCount = sBoxPartyPokemonDropdownPtr == NULL ? 0 : num;
+    for (i = 0; i < sBoxPartyPokemonDropdownCount; i++)
+    {
+        sBoxPartyPokemonDropdownPtr[i].src1 = NULL;
+        sBoxPartyPokemonDropdownPtr[i].bgUpdateScheduled = FALSE;
+    }
+}
+
+void sub_80F7B2C(void)
+{
+    Free(sBoxPartyPokemonDropdownPtr);
+}
+
+void sub_80F7B40(void)
+{
+    int i;
+
+    for (i = 0; i < sBoxPartyPokemonDropdownCount; i++)
+    {
+        if (sBoxPartyPokemonDropdownPtr[i].bgUpdateScheduled == 1)
+            sub_80F7E54(i);
+    }
+}
+
+void sub_80F7B80(u8 a0, u8 a1, const void * a2, u16 a3, u16 a4)
+{
+    u16 screenSize;
+    u16 bgType;
+
+    if (a0 < sBoxPartyPokemonDropdownCount)
+    {
+        sBoxPartyPokemonDropdownPtr[a0].src1 = NULL;
+        sBoxPartyPokemonDropdownPtr[a0].src2 = a2;
+        sBoxPartyPokemonDropdownPtr[a0].bgId = a1;
+        sBoxPartyPokemonDropdownPtr[a0].src2Height = a3;
+        sBoxPartyPokemonDropdownPtr[a0].unk_26 = a4;
+        screenSize = GetBgAttribute(a1, BG_ATTR_SCREENSIZE);
+        bgType = GetBgAttribute(a1, BG_ATTR_BGTYPE);
+        sBoxPartyPokemonDropdownPtr[a0].src1Height = sBGdims[bgType][screenSize].height;
+        sBoxPartyPokemonDropdownPtr[a0].src1Width = sBGdims[bgType][screenSize].width;
+        if (bgType != 0)
+            sBoxPartyPokemonDropdownPtr[a0].mapSize = 1;
+        else
+            sBoxPartyPokemonDropdownPtr[a0].mapSize = 2;
+        sBoxPartyPokemonDropdownPtr[a0].unk_28 = a3 * sBoxPartyPokemonDropdownPtr[a0].mapSize;
+        sBoxPartyPokemonDropdownPtr[a0].map2rect.width = a3;
+        sBoxPartyPokemonDropdownPtr[a0].map2rect.height = a4;
+        sBoxPartyPokemonDropdownPtr[a0].map2rect.destX = 0;
+        sBoxPartyPokemonDropdownPtr[a0].map2rect.destY = 0;
+        sBoxPartyPokemonDropdownPtr[a0].map2rect.destX2 = 0;
+        sBoxPartyPokemonDropdownPtr[a0].map2rect.destY2 = 0;
+        sBoxPartyPokemonDropdownPtr[a0].map1rect = sBoxPartyPokemonDropdownPtr[a0].map2rect;
+        sBoxPartyPokemonDropdownPtr[a0].bgUpdateScheduled = TRUE;
+    }
+}
+
+void sub_80F7C7C(u8 a0, const void * a1)
+{
+    if (a0 < sBoxPartyPokemonDropdownCount)
+    {
+        sBoxPartyPokemonDropdownPtr[a0].src1 = a1;
+        sBoxPartyPokemonDropdownPtr[a0].bgUpdateScheduled = TRUE;
+    }
+}
+
+void sub_80F7CAC(u8 a0, u16 a1, u16 a2)
+{
+    if (a0 < sBoxPartyPokemonDropdownCount)
+    {
+        sBoxPartyPokemonDropdownPtr[a0].map2rect.destX2 = a1;
+        sBoxPartyPokemonDropdownPtr[a0].map2rect.destY2 = a2;
+        sBoxPartyPokemonDropdownPtr[a0].bgUpdateScheduled = TRUE;
+    }
+}
+
+void sub_80F7CE8(u8 a0, u16 a1, u16 a2, u16 a3, u16 a4)
+{
+    if (a0 < sBoxPartyPokemonDropdownCount)
+    {
+        sBoxPartyPokemonDropdownPtr[a0].map2rect.destX = a1;
+        sBoxPartyPokemonDropdownPtr[a0].map2rect.destY = a2;
+        sBoxPartyPokemonDropdownPtr[a0].map2rect.width = a3;
+        sBoxPartyPokemonDropdownPtr[a0].map2rect.height = a4;
+        sBoxPartyPokemonDropdownPtr[a0].bgUpdateScheduled = TRUE;
+    }
+}
+
+void sub_80F7D30(u8 a0, u8 a1, s8 a2)
+{
+    if (a0 < sBoxPartyPokemonDropdownCount)
+    {
+        switch (a1)
+        {
+        case 0:
+            sBoxPartyPokemonDropdownPtr[a0].map2rect.destX2 += a2;
+            sBoxPartyPokemonDropdownPtr[a0].map2rect.width -= a2;
+            break;
+        case 1:
+            sBoxPartyPokemonDropdownPtr[a0].map2rect.destX += a2;
+            sBoxPartyPokemonDropdownPtr[a0].map2rect.width += a2;
+            break;
+        case 2:
+            sBoxPartyPokemonDropdownPtr[a0].map2rect.destY2 += a2;
+            sBoxPartyPokemonDropdownPtr[a0].map2rect.height -= a2;
+            break;
+        case 3:
+            sBoxPartyPokemonDropdownPtr[a0].map2rect.destY -= a2;
+            sBoxPartyPokemonDropdownPtr[a0].map2rect.height += a2;
+            break;
+        case 4:
+            sBoxPartyPokemonDropdownPtr[a0].map2rect.destX2 += a2;
+            break;
+        case 5:
+            sBoxPartyPokemonDropdownPtr[a0].map2rect.destY2 += a2;
+            break;
+        }
+        sBoxPartyPokemonDropdownPtr[a0].bgUpdateScheduled = TRUE;
+    }
+}
+
+void sub_80F7E54(u8 a0)
+{
+    if (a0 < sBoxPartyPokemonDropdownCount)
+    {
+        if (sBoxPartyPokemonDropdownPtr[a0].src1 != NULL)
+            PushMap1(a0);
+        PushMap2(a0);
+        sBoxPartyPokemonDropdownPtr[a0].map1rect = sBoxPartyPokemonDropdownPtr[a0].map2rect;
+    }
+}
+
+static void PushMap1(u8 a0)
+{
+    int i;
+    int r9 = sBoxPartyPokemonDropdownPtr[a0].mapSize * sBoxPartyPokemonDropdownPtr[a0].src1Height;
+    const void * addr = sBoxPartyPokemonDropdownPtr[a0].src1 + r9 * sBoxPartyPokemonDropdownPtr[a0].map1rect.destY2 + sBoxPartyPokemonDropdownPtr[a0].map1rect.destX2 * sBoxPartyPokemonDropdownPtr[a0].mapSize;
+    for (i = 0; i < sBoxPartyPokemonDropdownPtr[a0].map1rect.height; i++)
+    {
+        CopyToBgTilemapBufferRect(sBoxPartyPokemonDropdownPtr[a0].bgId, addr, sBoxPartyPokemonDropdownPtr[a0].map1rect.destX2, sBoxPartyPokemonDropdownPtr[a0].map1rect.destY2 + i, sBoxPartyPokemonDropdownPtr[a0].map1rect.width, 1);
+        addr += r9;
+    }
+}
+
+static void PushMap2(u8 a0)
+{
+    int i;
+    int r9 = sBoxPartyPokemonDropdownPtr[a0].mapSize * sBoxPartyPokemonDropdownPtr[a0].src2Height;
+    const void * addr = sBoxPartyPokemonDropdownPtr[a0].src2 + r9 * sBoxPartyPokemonDropdownPtr[a0].map2rect.destY + sBoxPartyPokemonDropdownPtr[a0].map2rect.destX * sBoxPartyPokemonDropdownPtr[a0].mapSize;
+    for (i = 0; i < sBoxPartyPokemonDropdownPtr[a0].map2rect.height; i++)
+    {
+        CopyToBgTilemapBufferRect(sBoxPartyPokemonDropdownPtr[a0].bgId, addr, sBoxPartyPokemonDropdownPtr[a0].map2rect.destX2, sBoxPartyPokemonDropdownPtr[a0].map2rect.destY2 + i, sBoxPartyPokemonDropdownPtr[a0].map2rect.width, 1);
+        addr += r9;
+    }
+}
diff --git a/sym_ewram.txt b/sym_ewram.txt
index 140915655..b4e4fc2c0 100644
--- a/sym_ewram.txt
+++ b/sym_ewram.txt
@@ -321,12 +321,7 @@ gUnknown_203AB54: @ 203AB54
 
 	.include "src/new_menu_helpers.o"
 	.align 2
-gUnknown_203ABE4: @ 203ABE4
-	.space 0x4
-
-gUnknown_203ABE8: @ 203ABE8
-	.space 0x4
-
+	.include "src/box_party_pokemon_dropdown.o"
 	.align 2
 	.include "src/map_preview_screen.o"
 	.align 2