nonmatching

4 files changed, 970 insertions, 648 deletions

diff --git a/arm9/asm/nonmatchings/FUN_02016C18.s b/arm9/asm/nonmatchings/FUN_02016C18.s
new file mode 100644
index 00000000..a18c549e
--- /dev/null
+++ b/arm9/asm/nonmatchings/FUN_02016C18.s
@@ -0,0 +1,652 @@
+.section .text
+
+glabel FUN_02016C18
+
+.extern FUN_020177DC
+.extern FUN_020179E0
+.extern GX_EngineAToggleLayers
+.extern GX_EngineBToggleLayers
+.extern AllocFromHeap
+.extern MIi_CpuClear16
+
+	push {r3-r7, lr}
+	sub sp, #0x18
+	str r1, [sp, #0x4]
+	str r3, [sp, #0x8]
+	add r4, r2, #0x0
+	str r0, [sp, #0x0]
+	ldrb r0, [r4, #0x10]
+	ldr r1, [sp, #0x8]
+	bl FUN_020177DC
+	add r5, r0, #0x0
+	ldr r0, [sp, #0x4]
+	cmp r0, #0x7
+	bls _02016C36
+	b _0201705A
+_02016C36:
+	add r0, r0, r0
+	add r0, pc
+	ldrh r0, [r0, #0x6]
+	lsl r0, r0, #0x10
+	asr r0, r0, #0x10
+	add pc, r0
+_02016C42: ; jump table (using 16-bit offset)
+	.short _02016C52 - _02016C42 - 2; case 0
+	.short _02016CAA - _02016C42 - 2; case 1
+	.short _02016D02 - _02016C42 - 2; case 2
+	.short _02016DA4 - _02016C42 - 2; case 3
+	.short _02016E46 - _02016C42 - 2; case 4
+	.short _02016E9E - _02016C42 - 2; case 5
+	.short _02016EF6 - _02016C42 - 2; case 6
+	.short _02016F98 - _02016C42 - 2; case 7
+_02016C52:
+	mov r0, #0x1
+	add r1, r0, #0x0
+	bl GX_EngineAToggleLayers
+	ldrb r3, [r4, #0x14]
+	ldrb r1, [r4, #0x12]
+	ldrb r0, [r4, #0x11]
+	ldrb r2, [r4, #0x13]
+	lsl r6, r3, #0xd
+	lsl r0, r0, #0x7
+	lsl r3, r2, #0x2
+	str r0, [sp, #0xc]
+	ldr r2, _02016FB4 ; =0x04000008
+	lsl r7, r1, #0x8
+	ldrh r1, [r2, #0x0]
+	mov r0, #0x43
+	and r0, r1
+	lsl r1, r5, #0xe
+	orr r1, r0
+	ldr r0, [sp, #0xc]
+	orr r0, r1
+	orr r0, r7
+	orr r0, r3
+	orr r0, r6
+	strh r0, [r2, #0x0]
+	ldrh r1, [r2, #0x0]
+	mov r0, #0x3
+	bic r1, r0
+	ldrb r0, [r4, #0x15]
+	orr r0, r1
+	strh r0, [r2, #0x0]
+	ldr r0, [r4, #0x18]
+	cmp r0, #0x0
+	beq _02016CA0
+	ldrh r1, [r2, #0x0]
+	mov r0, #0x40
+	orr r0, r1
+	strh r0, [r2, #0x0]
+	b _0201705A
+_02016CA0:
+	ldrh r1, [r2, #0x0]
+	mov r0, #0x40
+	bic r1, r0
+	strh r1, [r2, #0x0]
+	b _0201705A
+_02016CAA:
+	mov r0, #0x2
+	mov r1, #0x1
+	bl GX_EngineAToggleLayers
+	ldrb r3, [r4, #0x14]
+	ldrb r1, [r4, #0x12]
+	ldrb r0, [r4, #0x11]
+	ldrb r2, [r4, #0x13]
+	lsl r6, r3, #0xd
+	lsl r0, r0, #0x7
+	lsl r3, r2, #0x2
+	str r0, [sp, #0x10]
+	ldr r2, _02016FB8 ; =0x0400000A
+	lsl r7, r1, #0x8
+	ldrh r1, [r2, #0x0]
+	mov r0, #0x43
+	and r0, r1
+	lsl r1, r5, #0xe
+	orr r1, r0
+	ldr r0, [sp, #0x10]
+	orr r0, r1
+	orr r0, r7
+	orr r0, r3
+	orr r0, r6
+	strh r0, [r2, #0x0]
+	ldrh r1, [r2, #0x0]
+	mov r0, #0x3
+	bic r1, r0
+	ldrb r0, [r4, #0x15]
+	orr r0, r1
+	strh r0, [r2, #0x0]
+	ldr r0, [r4, #0x18]
+	cmp r0, #0x0
+	beq _02016CF8
+	ldrh r1, [r2, #0x0]
+	mov r0, #0x40
+	orr r0, r1
+	strh r0, [r2, #0x0]
+	b _0201705A
+_02016CF8:
+	ldrh r1, [r2, #0x0]
+	mov r0, #0x40
+	bic r1, r0
+	strh r1, [r2, #0x0]
+	b _0201705A
+_02016D02:
+	mov r0, #0x4
+	mov r1, #0x1
+	bl GX_EngineAToggleLayers
+	ldr r0, [sp, #0x8]
+	cmp r0, #0x0
+	beq _02016D18
+	cmp r0, #0x1
+	beq _02016D3A
+	cmp r0, #0x2
+	beq _02016D5C
+_02016D18:
+	ldrb r1, [r4, #0x12]
+	ldr r7, _02016FBC ; =0x0400000C
+	ldrb r2, [r4, #0x13]
+	lsl r3, r1, #0x8
+	ldrb r0, [r4, #0x11]
+	lsl r6, r2, #0x2
+	ldrh r1, [r7, #0x0]
+	lsl r2, r0, #0x7
+	mov r0, #0x43
+	and r0, r1
+	lsl r1, r5, #0xe
+	orr r0, r1
+	orr r0, r2
+	orr r0, r3
+	orr r0, r6
+	strh r0, [r7, #0x0]
+	b _02016D7C
+_02016D3A:
+	ldrb r2, [r4, #0x13]
+	ldrb r1, [r4, #0x12]
+	ldrb r0, [r4, #0x16]
+	lsl r3, r2, #0x2
+	ldr r7, _02016FBC ; =0x0400000C
+	lsl r2, r1, #0x8
+	lsl r6, r0, #0xd
+	ldrh r1, [r7, #0x0]
+	mov r0, #0x43
+	and r0, r1
+	lsl r1, r5, #0xe
+	orr r0, r1
+	orr r0, r2
+	orr r0, r3
+	orr r0, r6
+	strh r0, [r7, #0x0]
+	b _02016D7C
+_02016D5C:
+	ldrb r1, [r4, #0x12]
+	ldr r7, _02016FBC ; =0x0400000C
+	ldrb r0, [r4, #0x16]
+	lsl r3, r1, #0x8
+	ldrb r2, [r4, #0x13]
+	lsl r6, r0, #0xd
+	ldrh r1, [r7, #0x0]
+	mov r0, #0x43
+	lsl r2, r2, #0x2
+	and r0, r1
+	lsl r1, r5, #0xe
+	orr r0, r1
+	orr r0, r2
+	orr r0, r3
+	orr r0, r6
+	strh r0, [r7, #0x0]
+_02016D7C:
+	ldr r0, _02016FBC ; =0x0400000C
+	mov r1, #0x3
+	ldrh r2, [r0, #0x0]
+	bic r2, r1
+	ldrb r1, [r4, #0x15]
+	orr r1, r2
+	strh r1, [r0, #0x0]
+	ldr r1, [r4, #0x18]
+	cmp r1, #0x0
+	beq _02016D9A
+	ldrh r2, [r0, #0x0]
+	mov r1, #0x40
+	orr r1, r2
+	strh r1, [r0, #0x0]
+	b _0201705A
+_02016D9A:
+	ldrh r2, [r0, #0x0]
+	mov r1, #0x40
+	bic r2, r1
+	strh r2, [r0, #0x0]
+	b _0201705A
+_02016DA4:
+	mov r0, #0x8
+	mov r1, #0x1
+	bl GX_EngineAToggleLayers
+	ldr r0, [sp, #0x8]
+	cmp r0, #0x0
+	beq _02016DBA
+	cmp r0, #0x1
+	beq _02016DDC
+	cmp r0, #0x2
+	beq _02016DFE
+_02016DBA:
+	ldrb r1, [r4, #0x12]
+	ldr r7, _02016FC0 ; =0x0400000E
+	ldrb r2, [r4, #0x13]
+	lsl r3, r1, #0x8
+	ldrb r0, [r4, #0x11]
+	lsl r6, r2, #0x2
+	ldrh r1, [r7, #0x0]
+	lsl r2, r0, #0x7
+	mov r0, #0x43
+	and r0, r1
+	lsl r1, r5, #0xe
+	orr r0, r1
+	orr r0, r2
+	orr r0, r3
+	orr r0, r6
+	strh r0, [r7, #0x0]
+	b _02016E1E
+_02016DDC:
+	ldrb r2, [r4, #0x13]
+	ldrb r1, [r4, #0x12]
+	ldrb r0, [r4, #0x16]
+	lsl r3, r2, #0x2
+	ldr r7, _02016FC0 ; =0x0400000E
+	lsl r2, r1, #0x8
+	lsl r6, r0, #0xd
+	ldrh r1, [r7, #0x0]
+	mov r0, #0x43
+	and r0, r1
+	lsl r1, r5, #0xe
+	orr r0, r1
+	orr r0, r2
+	orr r0, r3
+	orr r0, r6
+	strh r0, [r7, #0x0]
+	b _02016E1E
+_02016DFE:
+	ldrb r1, [r4, #0x12]
+	ldr r7, _02016FC0 ; =0x0400000E
+	ldrb r0, [r4, #0x16]
+	lsl r3, r1, #0x8
+	ldrb r2, [r4, #0x13]
+	lsl r6, r0, #0xd
+	ldrh r1, [r7, #0x0]
+	mov r0, #0x43
+	lsl r2, r2, #0x2
+	and r0, r1
+	lsl r1, r5, #0xe
+	orr r0, r1
+	orr r0, r2
+	orr r0, r3
+	orr r0, r6
+	strh r0, [r7, #0x0]
+_02016E1E:
+	ldr r0, _02016FC0 ; =0x0400000E
+	mov r1, #0x3
+	ldrh r2, [r0, #0x0]
+	bic r2, r1
+	ldrb r1, [r4, #0x15]
+	orr r1, r2
+	strh r1, [r0, #0x0]
+	ldr r1, [r4, #0x18]
+	cmp r1, #0x0
+	beq _02016E3C
+	ldrh r2, [r0, #0x0]
+	mov r1, #0x40
+	orr r1, r2
+	strh r1, [r0, #0x0]
+	b _0201705A
+_02016E3C:
+	ldrh r2, [r0, #0x0]
+	mov r1, #0x40
+	bic r2, r1
+	strh r2, [r0, #0x0]
+	b _0201705A
+_02016E46:
+	mov r0, #0x1
+	add r1, r0, #0x0
+	bl GX_EngineBToggleLayers
+	ldrb r3, [r4, #0x14]
+	ldrb r1, [r4, #0x12]
+	ldrb r0, [r4, #0x11]
+	ldrb r2, [r4, #0x13]
+	lsl r6, r3, #0xd
+	lsl r0, r0, #0x7
+	lsl r3, r2, #0x2
+	str r0, [sp, #0x14]
+	ldr r2, _02016FC4 ; =0x04001008
+	lsl r7, r1, #0x8
+	ldrh r1, [r2, #0x0]
+	mov r0, #0x43
+	and r0, r1
+	lsl r1, r5, #0xe
+	orr r1, r0
+	ldr r0, [sp, #0x14]
+	orr r0, r1
+	orr r0, r7
+	orr r0, r3
+	orr r0, r6
+	strh r0, [r2, #0x0]
+	ldrh r1, [r2, #0x0]
+	mov r0, #0x3
+	bic r1, r0
+	ldrb r0, [r4, #0x15]
+	orr r0, r1
+	strh r0, [r2, #0x0]
+	ldr r0, [r4, #0x18]
+	cmp r0, #0x0
+	beq _02016E94
+	ldrh r1, [r2, #0x0]
+	mov r0, #0x40
+	orr r0, r1
+	strh r0, [r2, #0x0]
+	b _0201705A
+_02016E94:
+	ldrh r1, [r2, #0x0]
+	mov r0, #0x40
+	bic r1, r0
+	strh r1, [r2, #0x0]
+	b _0201705A
+_02016E9E:
+	mov r0, #0x2
+	mov r1, #0x1
+	bl GX_EngineBToggleLayers
+	ldrb r2, [r4, #0x13]
+	ldrb r1, [r4, #0x12]
+	ldrb r0, [r4, #0x11]
+	lsl r6, r2, #0x2
+	ldrb r3, [r4, #0x14]
+	lsl r0, r0, #0x7
+	mov r12, r0
+	ldr r2, _02016FC8 ; =0x0400100A
+	lsl r7, r1, #0x8
+	ldrh r1, [r2, #0x0]
+	mov r0, #0x43
+	lsl r3, r3, #0xd
+	and r0, r1
+	lsl r1, r5, #0xe
+	orr r0, r1
+	mov r1, r12
+	orr r0, r1
+	orr r0, r7
+	orr r0, r6
+	orr r0, r3
+	strh r0, [r2, #0x0]
+	ldrh r1, [r2, #0x0]
+	mov r0, #0x3
+	bic r1, r0
+	ldrb r0, [r4, #0x15]
+	orr r0, r1
+	strh r0, [r2, #0x0]
+	ldr r0, [r4, #0x18]
+	cmp r0, #0x0
+	beq _02016EEC
+	ldrh r1, [r2, #0x0]
+	mov r0, #0x40
+	orr r0, r1
+	strh r0, [r2, #0x0]
+	b _0201705A
+_02016EEC:
+	ldrh r1, [r2, #0x0]
+	mov r0, #0x40
+	bic r1, r0
+	strh r1, [r2, #0x0]
+	b _0201705A
+_02016EF6:
+	mov r0, #0x4
+	mov r1, #0x1
+	bl GX_EngineBToggleLayers
+	ldr r0, [sp, #0x8]
+	cmp r0, #0x0
+	beq _02016F0C
+	cmp r0, #0x1
+	beq _02016F2E
+	cmp r0, #0x2
+	beq _02016F50
+_02016F0C:
+	ldrb r1, [r4, #0x12]
+	ldr r7, _02016FCC ; =0x0400100C
+	ldrb r2, [r4, #0x13]
+	lsl r3, r1, #0x8
+	ldrb r0, [r4, #0x11]
+	lsl r6, r2, #0x2
+	ldrh r1, [r7, #0x0]
+	lsl r2, r0, #0x7
+	mov r0, #0x43
+	and r0, r1
+	lsl r1, r5, #0xe
+	orr r0, r1
+	orr r0, r2
+	orr r0, r3
+	orr r0, r6
+	strh r0, [r7, #0x0]
+	b _02016F70
+_02016F2E:
+	ldrb r2, [r4, #0x13]
+	ldrb r1, [r4, #0x12]
+	ldrb r0, [r4, #0x16]
+	lsl r3, r2, #0x2
+	ldr r7, _02016FCC ; =0x0400100C
+	lsl r2, r1, #0x8
+	lsl r6, r0, #0xd
+	ldrh r1, [r7, #0x0]
+	mov r0, #0x43
+	and r0, r1
+	lsl r1, r5, #0xe
+	orr r0, r1
+	orr r0, r2
+	orr r0, r3
+	orr r0, r6
+	strh r0, [r7, #0x0]
+	b _02016F70
+_02016F50:
+	ldrb r1, [r4, #0x12]
+	ldr r7, _02016FCC ; =0x0400100C
+	ldrb r0, [r4, #0x16]
+	lsl r3, r1, #0x8
+	ldrb r2, [r4, #0x13]
+	lsl r6, r0, #0xd
+	ldrh r1, [r7, #0x0]
+	mov r0, #0x43
+	lsl r2, r2, #0x2
+	and r0, r1
+	lsl r1, r5, #0xe
+	orr r0, r1
+	orr r0, r2
+	orr r0, r3
+	orr r0, r6
+	strh r0, [r7, #0x0]
+_02016F70:
+	ldr r0, _02016FCC ; =0x0400100C
+	mov r1, #0x3
+	ldrh r2, [r0, #0x0]
+	bic r2, r1
+	ldrb r1, [r4, #0x15]
+	orr r1, r2
+	strh r1, [r0, #0x0]
+	ldr r1, [r4, #0x18]
+	cmp r1, #0x0
+	beq _02016F8E
+	ldrh r2, [r0, #0x0]
+	mov r1, #0x40
+	orr r1, r2
+	strh r1, [r0, #0x0]
+	b _0201705A
+_02016F8E:
+	ldrh r2, [r0, #0x0]
+	mov r1, #0x40
+	bic r2, r1
+	strh r2, [r0, #0x0]
+	b _0201705A
+_02016F98:
+	mov r0, #0x8
+	mov r1, #0x1
+	bl GX_EngineBToggleLayers
+	ldr r0, [sp, #0x8]
+	cmp r0, #0x0
+	beq _02016FAE
+	cmp r0, #0x1
+	beq _02016FF2
+	cmp r0, #0x2
+	beq _02017014
+_02016FAE:
+	ldrb r1, [r4, #0x12]
+	ldr r7, _02016FD0 ; =0x0400100E
+	b _02016FD4
+	.balign 4
+_02016FB4: .word 0x04000008
+_02016FB8: .word 0x0400000A
+_02016FBC: .word 0x0400000C
+_02016FC0: .word 0x0400000E
+_02016FC4: .word 0x04001008
+_02016FC8: .word 0x0400100A
+_02016FCC: .word 0x0400100C
+_02016FD0: .word 0x0400100E
+_02016FD4:
+	ldrb r2, [r4, #0x13]
+	lsl r3, r1, #0x8
+	ldrb r0, [r4, #0x11]
+	lsl r6, r2, #0x2
+	ldrh r1, [r7, #0x0]
+	lsl r2, r0, #0x7
+	mov r0, #0x43
+	and r0, r1
+	lsl r1, r5, #0xe
+	orr r0, r1
+	orr r0, r2
+	orr r0, r3
+	orr r0, r6
+	strh r0, [r7, #0x0]
+	b _02017034
+_02016FF2:
+	ldrb r2, [r4, #0x13]
+	ldrb r1, [r4, #0x12]
+	ldrb r0, [r4, #0x16]
+	lsl r3, r2, #0x2
+	ldr r7, _020170F0 ; =0x0400100E
+	lsl r2, r1, #0x8
+	lsl r6, r0, #0xd
+	ldrh r1, [r7, #0x0]
+	mov r0, #0x43
+	and r0, r1
+	lsl r1, r5, #0xe
+	orr r0, r1
+	orr r0, r2
+	orr r0, r3
+	orr r0, r6
+	strh r0, [r7, #0x0]
+	b _02017034
+_02017014:
+	ldrb r1, [r4, #0x12]
+	ldr r7, _020170F0 ; =0x0400100E
+	ldrb r0, [r4, #0x16]
+	lsl r3, r1, #0x8
+	ldrb r2, [r4, #0x13]
+	lsl r6, r0, #0xd
+	ldrh r1, [r7, #0x0]
+	mov r0, #0x43
+	lsl r2, r2, #0x2
+	and r0, r1
+	lsl r1, r5, #0xe
+	orr r0, r1
+	orr r0, r2
+	orr r0, r3
+	orr r0, r6
+	strh r0, [r7, #0x0]
+_02017034:
+	ldr r0, _020170F0 ; =0x0400100E
+	mov r1, #0x3
+	ldrh r2, [r0, #0x0]
+	bic r2, r1
+	ldrb r1, [r4, #0x15]
+	orr r1, r2
+	strh r1, [r0, #0x0]
+	ldr r1, [r4, #0x18]
+	cmp r1, #0x0
+	beq _02017052
+	ldrh r2, [r0, #0x0]
+	mov r1, #0x40
+	orr r1, r2
+	strh r1, [r0, #0x0]
+	b _0201705A
+_02017052:
+	ldrh r2, [r0, #0x0]
+	mov r1, #0x40
+	bic r2, r1
+	strh r2, [r0, #0x0]
+_0201705A:
+	ldr r0, [sp, #0x4]
+	mov r1, #0x2c
+	add r5, r0, #0x0
+	ldr r0, [sp, #0x0]
+	mul r5, r1
+	add r2, r0, r5
+	mov r3, #0x0
+	mov r0, #0x1
+	strh r3, [r2, #0x20]
+	lsl r0, r0, #0xc
+	str r0, [r2, #0x24]
+	str r0, [r2, #0x28]
+	str r3, [r2, #0x2c]
+	str r3, [r2, #0x30]
+	ldr r1, [r4, #0x8]
+	cmp r1, #0x0
+	beq _020170A2
+	ldr r0, [sp, #0x0]
+	ldr r6, [sp, #0x0]
+	ldr r0, [r0, #0x0]
+	add r6, #0x8
+	bl AllocFromHeap
+	str r0, [r6, r5]
+	ldr r1, [r6, r5]
+	ldr r2, [r4, #0x8]
+	mov r0, #0x0
+	bl MIi_CpuClear16
+	ldr r0, [sp, #0x0]
+	ldr r2, [r4, #0x8]
+	add r1, r0, r5
+	str r2, [r1, #0xc]
+	ldr r0, [r4, #0xc]
+	str r0, [r1, #0x10]
+	b _020170A8
+_020170A2:
+	str r3, [r2, #0x8]
+	str r3, [r2, #0xc]
+	str r3, [r2, #0x10]
+_020170A8:
+	ldr r0, [sp, #0x0]
+	ldrb r1, [r4, #0x10]
+	add r0, r0, r5
+	strb r1, [r0, #0x1d]
+	ldr r1, [sp, #0x8]
+	strb r1, [r0, #0x1c]
+	ldrb r1, [r4, #0x11]
+	strb r1, [r0, #0x1e]
+	ldr r1, [sp, #0x8]
+	cmp r1, #0x0
+	bne _020170CA
+	ldrb r1, [r4, #0x11]
+	cmp r1, #0x0
+	bne _020170CA
+	mov r1, #0x20
+	strb r1, [r0, #0x1f]
+	b _020170D2
+_020170CA:
+	ldr r0, [sp, #0x0]
+	mov r1, #0x40
+	add r0, r0, r5
+	strb r1, [r0, #0x1f]
+_020170D2:
+	ldr r0, [sp, #0x0]
+	ldr r1, [sp, #0x4]
+	ldr r3, [r4, #0x0]
+	mov r2, #0x0
+	bl FUN_020179E0
+	ldr r0, [sp, #0x0]
+	ldr r1, [sp, #0x4]
+	ldr r3, [r4, #0x4]
+	mov r2, #0x3
+	bl FUN_020179E0
+	add sp, #0x18
+	pop {r3-r7, pc}
+	nop
+_020170F0: .word 0x0400100E
diff --git a/arm9/asm/unk_02016B94.s b/arm9/asm/unk_02016B94.s
index f0dd5cea..3423d0e7 100644
--- a/arm9/asm/unk_02016B94.s
+++ b/arm9/asm/unk_02016B94.s
@@ -4,649 +4,6 @@
 	.section .rodata
 	.text
 
-	thumb_func_start FUN_02016C18
-FUN_02016C18: ; 0x02016C18
-	push {r3-r7, lr}
-	sub sp, #0x18
-	str r1, [sp, #0x4]
-	str r3, [sp, #0x8]
-	add r4, r2, #0x0
-	str r0, [sp, #0x0]
-	ldrb r0, [r4, #0x10]
-	ldr r1, [sp, #0x8]
-	bl FUN_020177DC
-	add r5, r0, #0x0
-	ldr r0, [sp, #0x4]
-	cmp r0, #0x7
-	bls _02016C36
-	b _0201705A
-_02016C36:
-	add r0, r0, r0
-	add r0, pc
-	ldrh r0, [r0, #0x6]
-	lsl r0, r0, #0x10
-	asr r0, r0, #0x10
-	add pc, r0
-_02016C42: ; jump table (using 16-bit offset)
-	.short _02016C52 - _02016C42 - 2; case 0
-	.short _02016CAA - _02016C42 - 2; case 1
-	.short _02016D02 - _02016C42 - 2; case 2
-	.short _02016DA4 - _02016C42 - 2; case 3
-	.short _02016E46 - _02016C42 - 2; case 4
-	.short _02016E9E - _02016C42 - 2; case 5
-	.short _02016EF6 - _02016C42 - 2; case 6
-	.short _02016F98 - _02016C42 - 2; case 7
-_02016C52:
-	mov r0, #0x1
-	add r1, r0, #0x0
-	bl GX_EngineAToggleLayers
-	ldrb r3, [r4, #0x14]
-	ldrb r1, [r4, #0x12]
-	ldrb r0, [r4, #0x11]
-	ldrb r2, [r4, #0x13]
-	lsl r6, r3, #0xd
-	lsl r0, r0, #0x7
-	lsl r3, r2, #0x2
-	str r0, [sp, #0xc]
-	ldr r2, _02016FB4 ; =0x04000008
-	lsl r7, r1, #0x8
-	ldrh r1, [r2, #0x0]
-	mov r0, #0x43
-	and r0, r1
-	lsl r1, r5, #0xe
-	orr r1, r0
-	ldr r0, [sp, #0xc]
-	orr r0, r1
-	orr r0, r7
-	orr r0, r3
-	orr r0, r6
-	strh r0, [r2, #0x0]
-	ldrh r1, [r2, #0x0]
-	mov r0, #0x3
-	bic r1, r0
-	ldrb r0, [r4, #0x15]
-	orr r0, r1
-	strh r0, [r2, #0x0]
-	ldr r0, [r4, #0x18]
-	cmp r0, #0x0
-	beq _02016CA0
-	ldrh r1, [r2, #0x0]
-	mov r0, #0x40
-	orr r0, r1
-	strh r0, [r2, #0x0]
-	b _0201705A
-_02016CA0:
-	ldrh r1, [r2, #0x0]
-	mov r0, #0x40
-	bic r1, r0
-	strh r1, [r2, #0x0]
-	b _0201705A
-_02016CAA:
-	mov r0, #0x2
-	mov r1, #0x1
-	bl GX_EngineAToggleLayers
-	ldrb r3, [r4, #0x14]
-	ldrb r1, [r4, #0x12]
-	ldrb r0, [r4, #0x11]
-	ldrb r2, [r4, #0x13]
-	lsl r6, r3, #0xd
-	lsl r0, r0, #0x7
-	lsl r3, r2, #0x2
-	str r0, [sp, #0x10]
-	ldr r2, _02016FB8 ; =0x0400000A
-	lsl r7, r1, #0x8
-	ldrh r1, [r2, #0x0]
-	mov r0, #0x43
-	and r0, r1
-	lsl r1, r5, #0xe
-	orr r1, r0
-	ldr r0, [sp, #0x10]
-	orr r0, r1
-	orr r0, r7
-	orr r0, r3
-	orr r0, r6
-	strh r0, [r2, #0x0]
-	ldrh r1, [r2, #0x0]
-	mov r0, #0x3
-	bic r1, r0
-	ldrb r0, [r4, #0x15]
-	orr r0, r1
-	strh r0, [r2, #0x0]
-	ldr r0, [r4, #0x18]
-	cmp r0, #0x0
-	beq _02016CF8
-	ldrh r1, [r2, #0x0]
-	mov r0, #0x40
-	orr r0, r1
-	strh r0, [r2, #0x0]
-	b _0201705A
-_02016CF8:
-	ldrh r1, [r2, #0x0]
-	mov r0, #0x40
-	bic r1, r0
-	strh r1, [r2, #0x0]
-	b _0201705A
-_02016D02:
-	mov r0, #0x4
-	mov r1, #0x1
-	bl GX_EngineAToggleLayers
-	ldr r0, [sp, #0x8]
-	cmp r0, #0x0
-	beq _02016D18
-	cmp r0, #0x1
-	beq _02016D3A
-	cmp r0, #0x2
-	beq _02016D5C
-_02016D18:
-	ldrb r1, [r4, #0x12]
-	ldr r7, _02016FBC ; =0x0400000C
-	ldrb r2, [r4, #0x13]
-	lsl r3, r1, #0x8
-	ldrb r0, [r4, #0x11]
-	lsl r6, r2, #0x2
-	ldrh r1, [r7, #0x0]
-	lsl r2, r0, #0x7
-	mov r0, #0x43
-	and r0, r1
-	lsl r1, r5, #0xe
-	orr r0, r1
-	orr r0, r2
-	orr r0, r3
-	orr r0, r6
-	strh r0, [r7, #0x0]
-	b _02016D7C
-_02016D3A:
-	ldrb r2, [r4, #0x13]
-	ldrb r1, [r4, #0x12]
-	ldrb r0, [r4, #0x16]
-	lsl r3, r2, #0x2
-	ldr r7, _02016FBC ; =0x0400000C
-	lsl r2, r1, #0x8
-	lsl r6, r0, #0xd
-	ldrh r1, [r7, #0x0]
-	mov r0, #0x43
-	and r0, r1
-	lsl r1, r5, #0xe
-	orr r0, r1
-	orr r0, r2
-	orr r0, r3
-	orr r0, r6
-	strh r0, [r7, #0x0]
-	b _02016D7C
-_02016D5C:
-	ldrb r1, [r4, #0x12]
-	ldr r7, _02016FBC ; =0x0400000C
-	ldrb r0, [r4, #0x16]
-	lsl r3, r1, #0x8
-	ldrb r2, [r4, #0x13]
-	lsl r6, r0, #0xd
-	ldrh r1, [r7, #0x0]
-	mov r0, #0x43
-	lsl r2, r2, #0x2
-	and r0, r1
-	lsl r1, r5, #0xe
-	orr r0, r1
-	orr r0, r2
-	orr r0, r3
-	orr r0, r6
-	strh r0, [r7, #0x0]
-_02016D7C:
-	ldr r0, _02016FBC ; =0x0400000C
-	mov r1, #0x3
-	ldrh r2, [r0, #0x0]
-	bic r2, r1
-	ldrb r1, [r4, #0x15]
-	orr r1, r2
-	strh r1, [r0, #0x0]
-	ldr r1, [r4, #0x18]
-	cmp r1, #0x0
-	beq _02016D9A
-	ldrh r2, [r0, #0x0]
-	mov r1, #0x40
-	orr r1, r2
-	strh r1, [r0, #0x0]
-	b _0201705A
-_02016D9A:
-	ldrh r2, [r0, #0x0]
-	mov r1, #0x40
-	bic r2, r1
-	strh r2, [r0, #0x0]
-	b _0201705A
-_02016DA4:
-	mov r0, #0x8
-	mov r1, #0x1
-	bl GX_EngineAToggleLayers
-	ldr r0, [sp, #0x8]
-	cmp r0, #0x0
-	beq _02016DBA
-	cmp r0, #0x1
-	beq _02016DDC
-	cmp r0, #0x2
-	beq _02016DFE
-_02016DBA:
-	ldrb r1, [r4, #0x12]
-	ldr r7, _02016FC0 ; =0x0400000E
-	ldrb r2, [r4, #0x13]
-	lsl r3, r1, #0x8
-	ldrb r0, [r4, #0x11]
-	lsl r6, r2, #0x2
-	ldrh r1, [r7, #0x0]
-	lsl r2, r0, #0x7
-	mov r0, #0x43
-	and r0, r1
-	lsl r1, r5, #0xe
-	orr r0, r1
-	orr r0, r2
-	orr r0, r3
-	orr r0, r6
-	strh r0, [r7, #0x0]
-	b _02016E1E
-_02016DDC:
-	ldrb r2, [r4, #0x13]
-	ldrb r1, [r4, #0x12]
-	ldrb r0, [r4, #0x16]
-	lsl r3, r2, #0x2
-	ldr r7, _02016FC0 ; =0x0400000E
-	lsl r2, r1, #0x8
-	lsl r6, r0, #0xd
-	ldrh r1, [r7, #0x0]
-	mov r0, #0x43
-	and r0, r1
-	lsl r1, r5, #0xe
-	orr r0, r1
-	orr r0, r2
-	orr r0, r3
-	orr r0, r6
-	strh r0, [r7, #0x0]
-	b _02016E1E
-_02016DFE:
-	ldrb r1, [r4, #0x12]
-	ldr r7, _02016FC0 ; =0x0400000E
-	ldrb r0, [r4, #0x16]
-	lsl r3, r1, #0x8
-	ldrb r2, [r4, #0x13]
-	lsl r6, r0, #0xd
-	ldrh r1, [r7, #0x0]
-	mov r0, #0x43
-	lsl r2, r2, #0x2
-	and r0, r1
-	lsl r1, r5, #0xe
-	orr r0, r1
-	orr r0, r2
-	orr r0, r3
-	orr r0, r6
-	strh r0, [r7, #0x0]
-_02016E1E:
-	ldr r0, _02016FC0 ; =0x0400000E
-	mov r1, #0x3
-	ldrh r2, [r0, #0x0]
-	bic r2, r1
-	ldrb r1, [r4, #0x15]
-	orr r1, r2
-	strh r1, [r0, #0x0]
-	ldr r1, [r4, #0x18]
-	cmp r1, #0x0
-	beq _02016E3C
-	ldrh r2, [r0, #0x0]
-	mov r1, #0x40
-	orr r1, r2
-	strh r1, [r0, #0x0]
-	b _0201705A
-_02016E3C:
-	ldrh r2, [r0, #0x0]
-	mov r1, #0x40
-	bic r2, r1
-	strh r2, [r0, #0x0]
-	b _0201705A
-_02016E46:
-	mov r0, #0x1
-	add r1, r0, #0x0
-	bl GX_EngineBToggleLayers
-	ldrb r3, [r4, #0x14]
-	ldrb r1, [r4, #0x12]
-	ldrb r0, [r4, #0x11]
-	ldrb r2, [r4, #0x13]
-	lsl r6, r3, #0xd
-	lsl r0, r0, #0x7
-	lsl r3, r2, #0x2
-	str r0, [sp, #0x14]
-	ldr r2, _02016FC4 ; =0x04001008
-	lsl r7, r1, #0x8
-	ldrh r1, [r2, #0x0]
-	mov r0, #0x43
-	and r0, r1
-	lsl r1, r5, #0xe
-	orr r1, r0
-	ldr r0, [sp, #0x14]
-	orr r0, r1
-	orr r0, r7
-	orr r0, r3
-	orr r0, r6
-	strh r0, [r2, #0x0]
-	ldrh r1, [r2, #0x0]
-	mov r0, #0x3
-	bic r1, r0
-	ldrb r0, [r4, #0x15]
-	orr r0, r1
-	strh r0, [r2, #0x0]
-	ldr r0, [r4, #0x18]
-	cmp r0, #0x0
-	beq _02016E94
-	ldrh r1, [r2, #0x0]
-	mov r0, #0x40
-	orr r0, r1
-	strh r0, [r2, #0x0]
-	b _0201705A
-_02016E94:
-	ldrh r1, [r2, #0x0]
-	mov r0, #0x40
-	bic r1, r0
-	strh r1, [r2, #0x0]
-	b _0201705A
-_02016E9E:
-	mov r0, #0x2
-	mov r1, #0x1
-	bl GX_EngineBToggleLayers
-	ldrb r2, [r4, #0x13]
-	ldrb r1, [r4, #0x12]
-	ldrb r0, [r4, #0x11]
-	lsl r6, r2, #0x2
-	ldrb r3, [r4, #0x14]
-	lsl r0, r0, #0x7
-	mov r12, r0
-	ldr r2, _02016FC8 ; =0x0400100A
-	lsl r7, r1, #0x8
-	ldrh r1, [r2, #0x0]
-	mov r0, #0x43
-	lsl r3, r3, #0xd
-	and r0, r1
-	lsl r1, r5, #0xe
-	orr r0, r1
-	mov r1, r12
-	orr r0, r1
-	orr r0, r7
-	orr r0, r6
-	orr r0, r3
-	strh r0, [r2, #0x0]
-	ldrh r1, [r2, #0x0]
-	mov r0, #0x3
-	bic r1, r0
-	ldrb r0, [r4, #0x15]
-	orr r0, r1
-	strh r0, [r2, #0x0]
-	ldr r0, [r4, #0x18]
-	cmp r0, #0x0
-	beq _02016EEC
-	ldrh r1, [r2, #0x0]
-	mov r0, #0x40
-	orr r0, r1
-	strh r0, [r2, #0x0]
-	b _0201705A
-_02016EEC:
-	ldrh r1, [r2, #0x0]
-	mov r0, #0x40
-	bic r1, r0
-	strh r1, [r2, #0x0]
-	b _0201705A
-_02016EF6:
-	mov r0, #0x4
-	mov r1, #0x1
-	bl GX_EngineBToggleLayers
-	ldr r0, [sp, #0x8]
-	cmp r0, #0x0
-	beq _02016F0C
-	cmp r0, #0x1
-	beq _02016F2E
-	cmp r0, #0x2
-	beq _02016F50
-_02016F0C:
-	ldrb r1, [r4, #0x12]
-	ldr r7, _02016FCC ; =0x0400100C
-	ldrb r2, [r4, #0x13]
-	lsl r3, r1, #0x8
-	ldrb r0, [r4, #0x11]
-	lsl r6, r2, #0x2
-	ldrh r1, [r7, #0x0]
-	lsl r2, r0, #0x7
-	mov r0, #0x43
-	and r0, r1
-	lsl r1, r5, #0xe
-	orr r0, r1
-	orr r0, r2
-	orr r0, r3
-	orr r0, r6
-	strh r0, [r7, #0x0]
-	b _02016F70
-_02016F2E:
-	ldrb r2, [r4, #0x13]
-	ldrb r1, [r4, #0x12]
-	ldrb r0, [r4, #0x16]
-	lsl r3, r2, #0x2
-	ldr r7, _02016FCC ; =0x0400100C
-	lsl r2, r1, #0x8
-	lsl r6, r0, #0xd
-	ldrh r1, [r7, #0x0]
-	mov r0, #0x43
-	and r0, r1
-	lsl r1, r5, #0xe
-	orr r0, r1
-	orr r0, r2
-	orr r0, r3
-	orr r0, r6
-	strh r0, [r7, #0x0]
-	b _02016F70
-_02016F50:
-	ldrb r1, [r4, #0x12]
-	ldr r7, _02016FCC ; =0x0400100C
-	ldrb r0, [r4, #0x16]
-	lsl r3, r1, #0x8
-	ldrb r2, [r4, #0x13]
-	lsl r6, r0, #0xd
-	ldrh r1, [r7, #0x0]
-	mov r0, #0x43
-	lsl r2, r2, #0x2
-	and r0, r1
-	lsl r1, r5, #0xe
-	orr r0, r1
-	orr r0, r2
-	orr r0, r3
-	orr r0, r6
-	strh r0, [r7, #0x0]
-_02016F70:
-	ldr r0, _02016FCC ; =0x0400100C
-	mov r1, #0x3
-	ldrh r2, [r0, #0x0]
-	bic r2, r1
-	ldrb r1, [r4, #0x15]
-	orr r1, r2
-	strh r1, [r0, #0x0]
-	ldr r1, [r4, #0x18]
-	cmp r1, #0x0
-	beq _02016F8E
-	ldrh r2, [r0, #0x0]
-	mov r1, #0x40
-	orr r1, r2
-	strh r1, [r0, #0x0]
-	b _0201705A
-_02016F8E:
-	ldrh r2, [r0, #0x0]
-	mov r1, #0x40
-	bic r2, r1
-	strh r2, [r0, #0x0]
-	b _0201705A
-_02016F98:
-	mov r0, #0x8
-	mov r1, #0x1
-	bl GX_EngineBToggleLayers
-	ldr r0, [sp, #0x8]
-	cmp r0, #0x0
-	beq _02016FAE
-	cmp r0, #0x1
-	beq _02016FF2
-	cmp r0, #0x2
-	beq _02017014
-_02016FAE:
-	ldrb r1, [r4, #0x12]
-	ldr r7, _02016FD0 ; =0x0400100E
-	b _02016FD4
-	.balign 4
-_02016FB4: .word 0x04000008
-_02016FB8: .word 0x0400000A
-_02016FBC: .word 0x0400000C
-_02016FC0: .word 0x0400000E
-_02016FC4: .word 0x04001008
-_02016FC8: .word 0x0400100A
-_02016FCC: .word 0x0400100C
-_02016FD0: .word 0x0400100E
-_02016FD4:
-	ldrb r2, [r4, #0x13]
-	lsl r3, r1, #0x8
-	ldrb r0, [r4, #0x11]
-	lsl r6, r2, #0x2
-	ldrh r1, [r7, #0x0]
-	lsl r2, r0, #0x7
-	mov r0, #0x43
-	and r0, r1
-	lsl r1, r5, #0xe
-	orr r0, r1
-	orr r0, r2
-	orr r0, r3
-	orr r0, r6
-	strh r0, [r7, #0x0]
-	b _02017034
-_02016FF2:
-	ldrb r2, [r4, #0x13]
-	ldrb r1, [r4, #0x12]
-	ldrb r0, [r4, #0x16]
-	lsl r3, r2, #0x2
-	ldr r7, _020170F0 ; =0x0400100E
-	lsl r2, r1, #0x8
-	lsl r6, r0, #0xd
-	ldrh r1, [r7, #0x0]
-	mov r0, #0x43
-	and r0, r1
-	lsl r1, r5, #0xe
-	orr r0, r1
-	orr r0, r2
-	orr r0, r3
-	orr r0, r6
-	strh r0, [r7, #0x0]
-	b _02017034
-_02017014:
-	ldrb r1, [r4, #0x12]
-	ldr r7, _020170F0 ; =0x0400100E
-	ldrb r0, [r4, #0x16]
-	lsl r3, r1, #0x8
-	ldrb r2, [r4, #0x13]
-	lsl r6, r0, #0xd
-	ldrh r1, [r7, #0x0]
-	mov r0, #0x43
-	lsl r2, r2, #0x2
-	and r0, r1
-	lsl r1, r5, #0xe
-	orr r0, r1
-	orr r0, r2
-	orr r0, r3
-	orr r0, r6
-	strh r0, [r7, #0x0]
-_02017034:
-	ldr r0, _020170F0 ; =0x0400100E
-	mov r1, #0x3
-	ldrh r2, [r0, #0x0]
-	bic r2, r1
-	ldrb r1, [r4, #0x15]
-	orr r1, r2
-	strh r1, [r0, #0x0]
-	ldr r1, [r4, #0x18]
-	cmp r1, #0x0
-	beq _02017052
-	ldrh r2, [r0, #0x0]
-	mov r1, #0x40
-	orr r1, r2
-	strh r1, [r0, #0x0]
-	b _0201705A
-_02017052:
-	ldrh r2, [r0, #0x0]
-	mov r1, #0x40
-	bic r2, r1
-	strh r2, [r0, #0x0]
-_0201705A:
-	ldr r0, [sp, #0x4]
-	mov r1, #0x2c
-	add r5, r0, #0x0
-	ldr r0, [sp, #0x0]
-	mul r5, r1
-	add r2, r0, r5
-	mov r3, #0x0
-	mov r0, #0x1
-	strh r3, [r2, #0x20]
-	lsl r0, r0, #0xc
-	str r0, [r2, #0x24]
-	str r0, [r2, #0x28]
-	str r3, [r2, #0x2c]
-	str r3, [r2, #0x30]
-	ldr r1, [r4, #0x8]
-	cmp r1, #0x0
-	beq _020170A2
-	ldr r0, [sp, #0x0]
-	ldr r6, [sp, #0x0]
-	ldr r0, [r0, #0x0]
-	add r6, #0x8
-	bl AllocFromHeap
-	str r0, [r6, r5]
-	ldr r1, [r6, r5]
-	ldr r2, [r4, #0x8]
-	mov r0, #0x0
-	bl MIi_CpuClear16
-	ldr r0, [sp, #0x0]
-	ldr r2, [r4, #0x8]
-	add r1, r0, r5
-	str r2, [r1, #0xc]
-	ldr r0, [r4, #0xc]
-	str r0, [r1, #0x10]
-	b _020170A8
-_020170A2:
-	str r3, [r2, #0x8]
-	str r3, [r2, #0xc]
-	str r3, [r2, #0x10]
-_020170A8:
-	ldr r0, [sp, #0x0]
-	ldrb r1, [r4, #0x10]
-	add r0, r0, r5
-	strb r1, [r0, #0x1d]
-	ldr r1, [sp, #0x8]
-	strb r1, [r0, #0x1c]
-	ldrb r1, [r4, #0x11]
-	strb r1, [r0, #0x1e]
-	ldr r1, [sp, #0x8]
-	cmp r1, #0x0
-	bne _020170CA
-	ldrb r1, [r4, #0x11]
-	cmp r1, #0x0
-	bne _020170CA
-	mov r1, #0x20
-	strb r1, [r0, #0x1f]
-	b _020170D2
-_020170CA:
-	ldr r0, [sp, #0x0]
-	mov r1, #0x40
-	add r0, r0, r5
-	strb r1, [r0, #0x1f]
-_020170D2:
-	ldr r0, [sp, #0x0]
-	ldr r1, [sp, #0x4]
-	ldr r3, [r4, #0x0]
-	mov r2, #0x0
-	bl FUN_020179E0
-	ldr r0, [sp, #0x0]
-	ldr r1, [sp, #0x4]
-	ldr r3, [r4, #0x4]
-	mov r2, #0x3
-	bl FUN_020179E0
-	add sp, #0x18
-	pop {r3-r7, pc}
-	nop
-_020170F0: .word 0x0400100E
 
 	thumb_func_start FUN_020170F4
 FUN_020170F4: ; 0x020170F4
diff --git a/arm9/src/unk_02016B94_c.c b/arm9/src/unk_02016B94_c.c
index c8fa991c..9d2b91a4 100644
--- a/arm9/src/unk_02016B94_c.c
+++ b/arm9/src/unk_02016B94_c.c
@@ -1,7 +1,4 @@
-#include "global.h"
-#include "GX_layers.h"
-#include "gx.h"
-#include "heap.h"
+#include "unk_02016B94.h"
 
 extern void FUN_020192D4();
 extern void FUN_02019358();
@@ -21,6 +18,10 @@ extern void FUN_020194E0();
 extern void FUN_020193B4();
 extern void FUN_02019444();
 
+
+extern u8 FUN_020177DC(u8 param0, u32 param1);
+extern void FUN_020179E0(u32 param0, u32 param1, u32 param2, u32 val);
+
 const u8 UNK_020EDB30[8] = {
     0x10,
     0x20,
@@ -68,7 +69,6 @@ void (*const UNK_020EDB74[])() = {
     FUN_020193B4,
 };
 
-
 THUMB_FUNC void *FUN_02016B94(u32 heap_id)
 {
     void *ptr = AllocFromHeap(heap_id, 0x5a << 2);
@@ -109,3 +109,252 @@ THUMB_FUNC void FUN_02016BF4(u32 *param0, u32 param1)
         GX_DisableEngineBLayers();
     }
 }
+
+
+#ifdef NONMATCHING
+THUMB_FUNC void FUN_02016C18(struct UnkStruct2 *param0, u8 param1, struct UnkStruct1 *param2, u8 param3)
+{
+    u8 res = FUN_020177DC(param2->unk10, param3);
+    switch (param1)
+    {
+    case 0:
+        GX_EngineAToggleLayers(1, GX_LAYER_TOGGLE_ON);
+
+        reg_G2_BG0CNT = (reg_G2_BG0CNT & 0x43) |
+                        (res << 14) | (param2->unk12 << 8) | (param2->unk11 << 7) | (param2->unk14 << 13) | (param2->unk13 << 2);
+        reg_G2_BG0CNT = (reg_G2_BG0CNT & ~3) | (param2->unk15);
+
+        if (param2->unk18 != 0)
+        {
+            reg_G2_BG0CNT |= 0x40;
+        }
+        else
+        {
+            reg_G2_BG0CNT &= ~0x40;
+        }
+
+        break;
+
+    case 1:
+        GX_EngineAToggleLayers(2, GX_LAYER_TOGGLE_ON);
+        reg_G2_BG1CNT = (reg_G2_BG1CNT & 0x43) |
+                        (res << 14) | (param2->unk12 << 8) | (param2->unk11 << 7) | (param2->unk14 << 13) | (param2->unk13 << 2);
+        reg_G2_BG1CNT = (reg_G2_BG1CNT & ~3) | (param2->unk15);
+
+        if (param2->unk18 != 0)
+        {
+            reg_G2_BG1CNT |= 0x40;
+        }
+        else
+        {
+            reg_G2_BG1CNT &= ~0x40;
+        }
+
+        break;
+
+    case 2:
+        GX_EngineAToggleLayers(4, GX_LAYER_TOGGLE_ON);
+        switch (param3)
+        {
+        default:
+        case 0:
+            reg_G2_BG2CNT = (reg_G2_BG2CNT & 0x43) |
+                            (res << 14) | (param2->unk12 << 8) | (param2->unk11 << 7) | (param2->unk13 << 2);
+            break;
+        case 1:
+            reg_G2_BG2CNT = (reg_G2_BG2CNT & 0x43) |
+                            (res << 14) | (param2->unk12 << 8) | (param2->unk16 << 13) | (param2->unk13 << 2);
+            break;
+        case 2:
+            reg_G2_BG2CNT = (reg_G2_BG2CNT & 0x43) |
+                            (res << 14) | (param2->unk12 << 8) | (param2->unk16 << 13) |  (param2->unk13 << 2);
+            break;
+        }
+
+        reg_G2_BG2CNT = (reg_G2_BG2CNT & ~3) | (param2->unk15);
+
+        if (param2->unk18 != 0)
+        {
+            reg_G2_BG2CNT |= 0x40;
+        }
+        else
+        {
+            reg_G2_BG2CNT &= ~0x40;
+        }
+
+        break;
+
+    case 3:
+        GX_EngineAToggleLayers(8, GX_LAYER_TOGGLE_ON);
+
+        switch (param3)
+        {
+        default:
+        case 0:
+            reg_G2_BG3CNT = (reg_G2_BG3CNT & 0x43) |
+                            (res << 14) | (param2->unk12 << 8) | (param2->unk11 << 7)  | (param2->unk13 << 2);
+            break;
+        case 1:
+            reg_G2_BG3CNT = (reg_G2_BG3CNT & 0x43) |
+                            (res << 14) | (param2->unk12 << 8) |  (param2->unk16 << 13) | (param2->unk13 << 2);
+            break;
+        case 2:
+            reg_G2_BG3CNT = (reg_G2_BG3CNT & 0x43) |
+                            (res << 14) | (param2->unk12 << 8) | (param2->unk16 << 13) | (param2->unk13 << 2);
+            break;
+        }
+
+        reg_G2_BG3CNT = (reg_G2_BG3CNT & ~3) | (param2->unk15);
+        if (param2->unk18 != 0)
+        {
+            reg_G2_BG3CNT |= 0x40;
+        }
+        else
+        {
+            reg_G2_BG3CNT &= ~0x40;
+        }
+        break;
+
+    case 4:
+        GX_EngineBToggleLayers(1, GX_LAYER_TOGGLE_ON);
+
+        reg_G2S_DB_BG0CNT = (reg_G2S_DB_BG0CNT & 0x43) |
+                        (res << 14) | (param2->unk12 << 8) | (param2->unk11 << 7) | (param2->unk14 << 13) | (param2->unk13 << 2);
+
+        reg_G2S_DB_BG0CNT = (reg_G2S_DB_BG0CNT & ~3) | (param2->unk15);
+
+        if (param2->unk18 != 0)
+        {
+            reg_G2S_DB_BG0CNT |= 0x40;
+        }
+        else
+        {
+            reg_G2S_DB_BG0CNT &= ~0x40;
+        }
+
+        break;
+
+    case 5:
+        GX_EngineBToggleLayers(2, GX_LAYER_TOGGLE_ON);
+
+        reg_G2S_DB_BG1CNT = (reg_G2S_DB_BG1CNT & 0x43) |
+                        (res << 14) | (param2->unk12 << 8) | (param2->unk11 << 7) | (param2->unk14 << 13) | (param2->unk13 << 2);
+
+        reg_G2S_DB_BG1CNT = (reg_G2S_DB_BG1CNT & ~3) | (param2->unk15);
+
+        if (param2->unk18 != 0)
+        {
+            reg_G2S_DB_BG1CNT |= 0x40;
+        }
+        else
+        {
+            reg_G2S_DB_BG1CNT &= ~0x40;
+        }
+
+        break;
+
+    case 6:
+        GX_EngineBToggleLayers(4, GX_LAYER_TOGGLE_ON);
+
+        switch (param3)
+        {
+        default:
+        case 0:
+            reg_G2S_DB_BG2CNT = (reg_G2S_DB_BG2CNT & 0x43) |
+                                (res << 14) | (param2->unk12 << 8) | (param2->unk11 << 7) | (param2->unk13 << 2);
+            break;
+        case 1:
+            reg_G2S_DB_BG2CNT = (reg_G2S_DB_BG2CNT & 0x43) |
+                                (res << 14) | (param2->unk12 << 8) | (param2->unk16 << 13) | (param2->unk13 << 2);
+            break;
+        case 2:
+            reg_G2S_DB_BG2CNT = (reg_G2S_DB_BG2CNT & 0x43) |
+                                (res << 14) | (param2->unk12 << 8) | (param2->unk16 << 13) | (param2->unk13 << 2);
+            break;
+        }
+
+        reg_G2S_DB_BG2CNT = (reg_G2S_DB_BG2CNT & ~3) | (param2->unk15);
+
+        if (param2->unk18 != 0)
+        {
+            reg_G2S_DB_BG2CNT |= 0x40;
+        }
+        else
+        {
+            reg_G2S_DB_BG2CNT &= ~0x40;
+        }
+
+        break;
+    case 7:
+        GX_EngineBToggleLayers(8, GX_LAYER_TOGGLE_ON);
+        switch (param3)
+        {
+        default:
+        case 0:
+            reg_G2S_DB_BG3CNT = (reg_G2S_DB_BG3CNT & 0x43) |
+                                (res << 14) | (param2->unk12 << 8) | (param2->unk11 << 7) | (param2->unk13 << 2);
+            break;
+        case 1:
+            reg_G2S_DB_BG3CNT = (reg_G2S_DB_BG3CNT & 0x43) |
+                                (res << 14) | (param2->unk12 << 8) | (param2->unk16 << 13) | (param2->unk13 << 2);
+            break;
+        case 2:
+            reg_G2S_DB_BG3CNT = (reg_G2S_DB_BG3CNT & 0x43) |
+                                (res << 14) | (param2->unk12 << 8) | (param2->unk16 << 13) | (param2->unk13 << 2);
+            break;
+        }
+
+        reg_G2S_DB_BG3CNT = (reg_G2S_DB_BG3CNT & ~3) | (param2->unk15);
+        if (param2->unk18 != 0)
+        {
+            reg_G2S_DB_BG3CNT |= 0x40;
+        }
+        else
+        {
+            reg_G2S_DB_BG3CNT &= ~0x40;
+        }
+        break;
+    }
+
+    param0->unk08[param1].unk20 = 0;
+    param0->unk08[param1].unk24 = 0x1000;
+    param0->unk08[param1].unk28 = 0x1000;
+    param0->unk08[param1].unk2c = 0;
+    param0->unk08[param1].unk30 = 0;
+
+    if (param2->unk08 != 0)
+    {
+        param0->unk08[param1].unk08 = AllocFromHeap(param0->unk00, param2->unk08);
+
+        MIi_CpuClear16(0, param0->unk08[param1].unk08, param2->unk08);
+
+        param0->unk08[param1].unk0c = param2->unk08;
+        param0->unk08[param1].unk10 = param2->unk0c;
+    }
+    else
+    {
+        param0->unk08[param1].unk08 = 0;
+        param0->unk08[param1].unk0c = 0;
+        param0->unk08[param1].unk10 = 0;
+    }
+
+    param0->unk08[param1].unk1d = param2->unk10;
+    param0->unk08[param1].unk1c = param3;
+    param0->unk08[param1].unk1e = param2->unk11;
+
+    if (param3 == 0 && param2->unk11 == 0)
+    {
+        param0->unk08[param1].unk1f = 0x20;
+    }
+    else
+    {
+       param0->unk08[param1].unk1f = 0x40;
+    }
+
+    FUN_020179E0(param0, param1, 0, param2->unk00);
+    FUN_020179E0(param0, param1, 3, param2->unk04);
+}
+#else
+GLOBAL_ASM("asm/nonmatchings/FUN_02016C18.s")
+#endif
+
diff --git a/include/unk_02016B94.h b/include/unk_02016B94.h
new file mode 100644
index 00000000..b1dbfcda
--- /dev/null
+++ b/include/unk_02016B94.h
@@ -0,0 +1,64 @@
+#ifndef POKEDIAMOND_UNK_02016B94_H
+#define POKEDIAMOND_UNK_02016B94_H
+
+
+#include "global.h"
+#include "GX_layers.h"
+#include "gx.h"
+#include "heap.h"
+
+struct UnkStruct1 {
+    u32 unk00;
+    u32 unk04;
+    u32 unk08;
+    u32 unk0c;
+
+    u8 unk10;
+    u8 unk11;
+    u8 unk12;
+    u8 unk13;
+    u8 unk14;
+    u8 unk15;
+    u8 unk16;
+    u8 unk17; //probably paddding
+    u32 unk18;
+};
+
+
+
+struct UnkStruct2 {
+    u32 unk00;
+    u32 unk04;
+
+
+    struct InnerStruct {
+        u32 unk08;
+        u32 unk0c;
+        u32 unk10;
+
+        u32 unk14;
+        u32 unk18;
+
+        u8 unk1c;
+        u8 unk1d;
+        u8 unk1e;
+        u8 unk1f;
+        u16 unk20;
+        u16 unk22; //probably padding
+        u32 unk24;
+        u32 unk28;
+        u32 unk2c;
+        u32 unk30;
+    } unk08[8];
+};
+
+
+THUMB_FUNC void *FUN_02016B94(u32 heap_id);
+THUMB_FUNC u32 FUN_02016BB8(u32 *param0);
+THUMB_FUNC void FUN_02016BBC(u32 *param0);
+THUMB_FUNC void FUN_02016BF4(u32 *param0, u32 param1);
+THUMB_FUNC void FUN_02016C18(struct UnkStruct2 *param0, u8 param1, struct UnkStruct1 *param2, u8 param3);
+
+
+
+#endif //POKEDIAMOND_UNK_02016B94_H
\ No newline at end of file