Document and decompile more of frontier pass.

8 files changed, 546 insertions, 1395 deletions

diff --git a/asm/frontier_pass.s b/asm/frontier_pass.s
index c9a2ddc84..7f9cf934b 100644
--- a/asm/frontier_pass.s
+++ b/asm/frontier_pass.s
@@ -7,1332 +7,8 @@
 
 
 
-
-	thumb_func_start sub_80C5934
-sub_80C5934: @ 80C5934
-	push {lr}
-	bl sub_80C570C
-	cmp r0, 0
-	beq _080C599A
-	ldr r0, =gUnknown_02039CEC
-	ldr r2, [r0]
-	ldrb r0, [r2, 0xE]
-	lsls r0, 28
-	lsrs r0, 29
-	cmp r0, 0x2
-	beq _080C5994
-	cmp r0, 0x2
-	bgt _080C595C
-	cmp r0, 0x1
-	beq _080C5962
-	b _080C599A
-	.pool
-_080C595C:
-	cmp r0, 0x3
-	beq _080C5970
-	b _080C599A
-_080C5962:
-	ldr r0, =sub_80C5868
-	bl sub_80C6454
-	b _080C599A
-	.pool
-_080C5970:
-	ldr r1, =gUnknown_02039CF8
-	ldr r0, [r2]
-	str r0, [r1]
-	ldrh r0, [r2, 0x8]
-	strh r0, [r1, 0x4]
-	ldrh r0, [r2, 0xA]
-	strh r0, [r1, 0x6]
-	bl sub_80C52E4
-	ldr r0, =sub_80C58D4
-	bl PlayRecordedBattle
-	b _080C599A
-	.pool
-_080C5994:
-	ldr r0, =sub_80C5868
-	bl ShowPlayerTrainerCard
-_080C599A:
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end sub_80C5934
-
-	thumb_func_start sub_80C59A4
-sub_80C59A4: @ 80C59A4
-	push {r4,lr}
-	lsls r0, 24
-	lsrs r3, r0, 24
-	adds r4, r3, 0
-	lsls r1, 24
-	lsrs r1, 24
-	adds r2, r1, 0
-	cmp r1, 0x1
-	blt _080C59CC
-	cmp r1, 0x2
-	ble _080C59F4
-	cmp r1, 0x3
-	bne _080C59CC
-	ldr r0, =gUnknown_02039CEC
-	ldr r2, [r0]
-	ldrb r1, [r2, 0xE]
-	movs r0, 0x1
-	ands r0, r1
-	cmp r0, 0
-	bne _080C59D4
-_080C59CC:
-	movs r0, 0
-	b _080C5A30
-	.pool
-_080C59D4:
-	movs r0, 0xF
-	negs r0, r0
-	ands r0, r1
-	movs r1, 0x6
-	orrs r0, r1
-	strb r0, [r2, 0xE]
-	adds r0, r3, 0
-	bl DestroyTask
-	ldr r0, =sub_80C5934
-	bl SetMainCallback2
-	b _080C5A1A
-	.pool
-_080C59F4:
-	ldr r0, =gUnknown_02039CEC
-	ldr r3, [r0]
-	movs r0, 0x7
-	ands r2, r0
-	lsls r2, 1
-	ldrb r1, [r3, 0xE]
-	subs r0, 0x16
-	ands r0, r1
-	orrs r0, r2
-	strb r0, [r3, 0xE]
-	ldr r1, =gTasks
-	lsls r0, r4, 2
-	adds r0, r4
-	lsls r0, 3
-	adds r0, r1
-	ldr r1, =sub_80C5BD8
-	str r1, [r0]
-	movs r1, 0
-	strh r1, [r0, 0x8]
-_080C5A1A:
-	ldr r0, =gUnknown_02039CEC
-	ldr r2, [r0]
-	ldr r0, =gUnknown_02039CF0
-	ldr r1, [r0]
-	ldr r0, [r1]
-	ldrh r0, [r0, 0x20]
-	strh r0, [r2, 0x8]
-	ldr r0, [r1]
-	ldrh r0, [r0, 0x22]
-	strh r0, [r2, 0xA]
-	movs r0, 0x1
-_080C5A30:
-	pop {r4}
-	pop {r1}
-	bx r1
-	.pool
-	thumb_func_end sub_80C59A4
-
-	thumb_func_start sub_80C5A48
-sub_80C5A48: @ 80C5A48
-	push {r4-r7,lr}
-	lsls r0, 24
-	lsrs r6, r0, 24
-	movs r5, 0
-	ldr r2, =gMain
-	ldrh r1, [r2, 0x2C]
-	movs r0, 0x40
-	ands r0, r1
-	cmp r0, 0
-	beq _080C5A80
-	ldr r0, =gUnknown_02039CF0
-	ldr r4, [r0]
-	ldr r1, [r4]
-	ldrh r3, [r1, 0x22]
-	movs r7, 0x22
-	ldrsh r0, [r1, r7]
-	cmp r0, 0x8
-	ble _080C5A80
-	subs r0, r3, 0x2
-	strh r0, [r1, 0x22]
-	ldr r1, [r4]
-	movs r3, 0x22
-	ldrsh r0, [r1, r3]
-	cmp r0, 0x7
-	bgt _080C5A7E
-	movs r0, 0x2
-	strh r0, [r1, 0x22]
-_080C5A7E:
-	movs r5, 0x1
-_080C5A80:
-	ldrh r1, [r2, 0x2C]
-	movs r0, 0x80
-	ands r0, r1
-	cmp r0, 0
-	beq _080C5AAE
-	ldr r0, =gUnknown_02039CF0
-	ldr r4, [r0]
-	ldr r1, [r4]
-	ldrh r3, [r1, 0x22]
-	movs r7, 0x22
-	ldrsh r0, [r1, r7]
-	cmp r0, 0x87
-	bgt _080C5AAE
-	adds r0, r3, 0x2
-	strh r0, [r1, 0x22]
-	ldr r1, [r4]
-	movs r3, 0x22
-	ldrsh r0, [r1, r3]
-	cmp r0, 0x88
-	ble _080C5AAC
-	movs r0, 0x88
-	strh r0, [r1, 0x22]
-_080C5AAC:
-	movs r5, 0x1
-_080C5AAE:
-	ldrh r1, [r2, 0x2C]
-	movs r0, 0x20
-	ands r0, r1
-	cmp r0, 0
-	beq _080C5ADC
-	ldr r0, =gUnknown_02039CF0
-	ldr r4, [r0]
-	ldr r1, [r4]
-	ldrh r3, [r1, 0x20]
-	movs r7, 0x20
-	ldrsh r0, [r1, r7]
-	cmp r0, 0x5
-	ble _080C5ADC
-	subs r0, r3, 0x2
-	strh r0, [r1, 0x20]
-	ldr r1, [r4]
-	movs r3, 0x20
-	ldrsh r0, [r1, r3]
-	cmp r0, 0x4
-	bgt _080C5ADA
-	movs r0, 0x5
-	strh r0, [r1, 0x20]
-_080C5ADA:
-	movs r5, 0x1
-_080C5ADC:
-	ldrh r1, [r2, 0x2C]
-	movs r0, 0x10
-	ands r0, r1
-	cmp r0, 0
-	beq _080C5B0A
-	ldr r0, =gUnknown_02039CF0
-	ldr r4, [r0]
-	ldr r1, [r4]
-	ldrh r3, [r1, 0x20]
-	movs r7, 0x20
-	ldrsh r0, [r1, r7]
-	cmp r0, 0xE7
-	bgt _080C5B0A
-	adds r0, r3, 0x2
-	strh r0, [r1, 0x20]
-	ldr r1, [r4]
-	movs r3, 0x20
-	ldrsh r0, [r1, r3]
-	cmp r0, 0xE8
-	ble _080C5B08
-	movs r0, 0xE8
-	strh r0, [r1, 0x20]
-_080C5B08:
-	movs r5, 0x1
-_080C5B0A:
-	cmp r5, 0
-	bne _080C5B88
-	ldr r4, =gUnknown_02039CEC
-	ldr r0, [r4]
-	ldrb r3, [r0, 0xC]
-	cmp r3, 0
-	beq _080C5B5E
-	ldrh r1, [r2, 0x2E]
-	movs r0, 0x1
-	ands r0, r1
-	cmp r0, 0
-	beq _080C5B5E
-	cmp r3, 0x3
-	bhi _080C5B48
-	movs r0, 0x5
-	bl PlaySE
-	ldr r0, [r4]
-	ldrb r1, [r0, 0xC]
-	adds r0, r6, 0
-	bl sub_80C59A4
-	cmp r0, 0
-	bne _080C5BCA
-	b _080C5B5E
-	.pool
-_080C5B48:
-	cmp r3, 0x4
-	bne _080C5B5E
-	movs r0, 0x3
-	bl PlaySE
-	ldr r0, =sub_80C5470
-	bl SetMainCallback2
-	adds r0, r6, 0
-	bl DestroyTask
-_080C5B5E:
-	ldr r0, =gMain
-	ldrh r1, [r0, 0x2E]
-	movs r0, 0x2
-	ands r0, r1
-	cmp r0, 0
-	beq _080C5BCA
-	movs r0, 0x3
-	bl PlaySE
-	ldr r0, =sub_80C5470
-	bl SetMainCallback2
-	adds r0, r6, 0
-	bl DestroyTask
-	b _080C5BCA
-	.pool
-_080C5B88:
-	ldr r0, =gUnknown_02039CF0
-	ldr r0, [r0]
-	ldr r1, [r0]
-	ldrh r0, [r1, 0x20]
-	subs r0, 0x5
-	lsls r0, 16
-	asrs r0, 16
-	ldrh r1, [r1, 0x22]
-	adds r1, 0x5
-	lsls r1, 16
-	asrs r1, 16
-	bl sub_80C57FC
-	lsls r0, 24
-	lsrs r5, r0, 24
-	ldr r4, =gUnknown_02039CEC
-	ldr r0, [r4]
-	ldrb r0, [r0, 0xC]
-	cmp r0, r5
-	beq _080C5BCA
-	adds r0, r5, 0
-	bl sub_80C5ED0
-	ldr r1, [r4]
-	ldrb r0, [r1, 0xC]
-	strb r0, [r1, 0xD]
-	ldr r0, [r4]
-	strb r5, [r0, 0xC]
-	ldr r1, [r4]
-	ldrb r0, [r1, 0xC]
-	ldrb r1, [r1, 0xD]
-	bl sub_80C6104
-_080C5BCA:
-	pop {r4-r7}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end sub_80C5A48
-
-	thumb_func_start sub_80C5BD8
-sub_80C5BD8: @ 80C5BD8
-	push {r4-r7,lr}
-	mov r7, r8
-	push {r7}
-	sub sp, 0x4
-	lsls r0, 24
-	lsrs r4, r0, 24
-	lsls r0, r4, 2
-	adds r0, r4
-	lsls r5, r0, 3
-	ldr r0, =gTasks + 0x8
-	mov r8, r0
-	adds r6, r5, r0
-	ldr r7, =gUnknown_02039CEC
-	ldr r0, [r7]
-	ldrh r0, [r0, 0x4]
-	cmp r0, 0x1
-	beq _080C5CD4
-	cmp r0, 0x1
-	bgt _080C5C0C
-	cmp r0, 0
-	beq _080C5C14
-	b _080C5D9C
-	.pool
-_080C5C0C:
-	cmp r0, 0x2
-	bne _080C5C12
-	b _080C5D2A
-_080C5C12:
-	b _080C5D9C
-_080C5C14:
-	movs r1, 0
-	ldrsh r0, [r6, r1]
-	cmp r0, 0
-	bne _080C5C4C
-	movs r0, 0x1
-	movs r1, 0
-	bl sub_80C5F58
-	movs r1, 0x80
-	lsls r1, 1
-	adds r0, r1, 0
-	strh r0, [r6, 0x2]
-	strh r0, [r6, 0x4]
-	movs r0, 0x15
-	strh r0, [r6, 0x6]
-	strh r0, [r6, 0x8]
-	movs r0, 0x1
-	negs r0, r0
-	ldr r1, =0x00007fff
-	str r1, [sp]
-	movs r1, 0
-	movs r2, 0
-	movs r3, 0x10
-	bl BeginNormalPaletteFade
-	b _080C5CA4
-	.pool
-_080C5C4C:
-	movs r1, 0xFE
-	lsls r1, 1
-	adds r0, r1, 0
-	strh r0, [r6, 0x2]
-	strh r0, [r6, 0x4]
-	movs r1, 0x15
-	negs r1, r1
-	adds r0, r1, 0
-	strh r0, [r6, 0x6]
-	strh r0, [r6, 0x8]
-	movs r1, 0x82
-	lsls r1, 5
-	movs r0, 0
-	bl SetGpuReg
-	movs r0, 0
-	bl ShowBg
-	movs r0, 0x1
-	bl ShowBg
-	movs r0, 0x2
-	bl ShowBg
-	bl sub_80C62DC
-	ldr r0, =sub_80C53AC
-	bl SetVBlankCallback
-	movs r5, 0x1
-	negs r5, r5
-	ldr r4, =0x00007fff
-	adds r0, r5, 0
-	movs r1, 0x10
-	adds r2, r4, 0
-	bl BlendPalettes
-	str r4, [sp]
-	adds r0, r5, 0
-	movs r1, 0
-	movs r2, 0x10
-	movs r3, 0
-	bl BeginNormalPaletteFade
-_080C5CA4:
-	ldr r4, =gUnknown_02039CF0
-	ldr r0, [r4]
-	adds r0, 0x2C
-	movs r1, 0x1
-	strb r1, [r0]
-	movs r1, 0x2
-	ldrsh r0, [r6, r1]
-	bl sub_8151624
-	ldr r1, [r4]
-	strh r0, [r1, 0x2E]
-	movs r1, 0x4
-	ldrsh r0, [r6, r1]
-	bl sub_8151624
-	ldr r1, [r4]
-	strh r0, [r1, 0x30]
-	b _080C5D9C
-	.pool
-_080C5CD4:
-	bl UpdatePaletteFade
-	ldrh r0, [r6, 0x6]
-	ldrh r1, [r6, 0x2]
-	adds r0, r1
-	strh r0, [r6, 0x2]
-	ldrh r0, [r6, 0x8]
-	ldrh r1, [r6, 0x4]
-	adds r0, r1
-	strh r0, [r6, 0x4]
-	movs r1, 0x2
-	ldrsh r0, [r6, r1]
-	bl sub_8151624
-	ldr r4, =gUnknown_02039CF0
-	ldr r1, [r4]
-	strh r0, [r1, 0x2E]
-	movs r1, 0x4
-	ldrsh r0, [r6, r1]
-	bl sub_8151624
-	ldr r1, [r4]
-	strh r0, [r1, 0x30]
-	movs r1, 0
-	ldrsh r0, [r6, r1]
-	cmp r0, 0
-	bne _080C5D1C
-	movs r0, 0x2
-	ldrsh r1, [r6, r0]
-	movs r0, 0xFE
-	lsls r0, 1
-	cmp r1, r0
-	ble _080C5DA6
-	b _080C5D9C
-	.pool
-_080C5D1C:
-	movs r0, 0x2
-	ldrsh r1, [r6, r0]
-	movs r0, 0x80
-	lsls r0, 1
-	cmp r1, r0
-	bne _080C5DA6
-	b _080C5D9C
-_080C5D2A:
-	ldr r0, =gUnknown_02039CF0
-	ldr r0, [r0]
-	adds r1, r0, 0
-	adds r1, 0x2C
-	ldrb r0, [r1]
-	cmp r0, 0
-	beq _080C5D3C
-	movs r0, 0
-	strb r0, [r1]
-_080C5D3C:
-	bl UpdatePaletteFade
-	lsls r0, 24
-	cmp r0, 0
-	bne _080C5DA6
-	movs r1, 0
-	ldrsh r0, [r6, r1]
-	cmp r0, 0
-	bne _080C5D64
-	adds r0, r4, 0
-	bl DestroyTask
-	ldr r0, =sub_80C5934
-	bl SetMainCallback2
-	b _080C5D82
-	.pool
-_080C5D64:
-	movs r0, 0
-	movs r1, 0
-	bl sub_80C5F58
-	ldr r2, [r7]
-	ldrb r1, [r2, 0xE]
-	movs r0, 0xF
-	negs r0, r0
-	ands r0, r1
-	strb r0, [r2, 0xE]
-	mov r0, r8
-	subs r0, 0x8
-	adds r0, r5, r0
-	ldr r1, =sub_80C5A48
-	str r1, [r0]
-_080C5D82:
-	movs r0, 0x2
-	movs r1, 0x6
-	movs r2, 0
-	bl SetBgAttribute
-	ldr r0, =gUnknown_02039CEC
-	ldr r1, [r0]
-	movs r0, 0
-	b _080C5DA4
-	.pool
-_080C5D9C:
-	ldr r0, =gUnknown_02039CEC
-	ldr r1, [r0]
-	ldrh r0, [r1, 0x4]
-	adds r0, 0x1
-_080C5DA4:
-	strh r0, [r1, 0x4]
-_080C5DA6:
-	add sp, 0x4
-	pop {r3}
-	mov r8, r3
-	pop {r4-r7}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end sub_80C5BD8
-
-	thumb_func_start sub_80C5DB8
-sub_80C5DB8: @ 80C5DB8
-	push {r4-r6,lr}
-	mov r6, r8
-	push {r6}
-	sub sp, 0xC
-	movs r4, 0
-_080C5DC2:
-	adds r0, r4, 0
-	bl PutWindowTilemap
-	adds r0, r4, 0
-	movs r1, 0
-	bl FillWindowPixelBuffer
-	adds r0, r4, 0x1
-	lsls r0, 24
-	lsrs r4, r0, 24
-	cmp r4, 0x4
-	bls _080C5DC2
-	ldr r4, =gText_SymbolsEarned
-	movs r0, 0x1
-	adds r1, r4, 0
-	movs r2, 0x60
-	bl GetStringCenterAlignXOffset
-	lsls r2, r0, 24
-	lsrs r2, 24
-	ldr r6, =gUnknown_08571448
-	str r6, [sp]
-	movs r0, 0
-	mov r8, r0
-	str r0, [sp, 0x4]
-	str r4, [sp, 0x8]
-	movs r1, 0x1
-	movs r3, 0x5
-	bl AddTextPrinterParameterized3
-	ldr r4, =gText_BattleRecord
-	movs r0, 0x1
-	adds r1, r4, 0
-	movs r2, 0x60
-	bl GetStringCenterAlignXOffset
-	lsls r2, r0, 24
-	lsrs r2, 24
-	str r6, [sp]
-	mov r1, r8
-	str r1, [sp, 0x4]
-	str r4, [sp, 0x8]
-	movs r0, 0x1
-	movs r1, 0x1
-	movs r3, 0x5
-	bl AddTextPrinterParameterized3
-	str r6, [sp]
-	mov r0, r8
-	str r0, [sp, 0x4]
-	ldr r0, =gText_BattlePoints
-	str r0, [sp, 0x8]
-	movs r0, 0x2
-	movs r1, 0x8
-	movs r2, 0x5
-	movs r3, 0x4
-	bl AddTextPrinterParameterized3
-	ldr r4, =gStringVar4
-	ldr r5, =gUnknown_02039CEC
-	ldr r0, [r5]
-	ldrh r1, [r0, 0x6]
-	adds r0, r4, 0
-	movs r2, 0
-	movs r3, 0x5
-	bl ConvertIntToDecimalStringN
-	movs r0, 0x8
-	adds r1, r4, 0
-	movs r2, 0x5B
-	bl GetStringRightAlignXOffset
-	lsls r2, r0, 24
-	lsrs r2, 24
-	str r6, [sp]
-	mov r1, r8
-	str r1, [sp, 0x4]
-	str r4, [sp, 0x8]
-	movs r0, 0x2
-	movs r1, 0x8
-	movs r3, 0x10
-	bl AddTextPrinterParameterized3
-	ldr r1, [r5]
-	ldrh r0, [r1, 0x8]
-	subs r0, 0x5
-	lsls r0, 16
-	asrs r0, 16
-	ldrh r1, [r1, 0xA]
-	adds r1, 0x5
-	lsls r1, 16
-	asrs r1, 16
-	bl sub_80C57FC
-	ldr r1, [r5]
-	strb r0, [r1, 0xC]
-	ldr r0, [r5]
-	mov r1, r8
-	strb r1, [r0, 0xD]
-	ldr r0, [r5]
-	ldrb r0, [r0, 0xC]
-	bl sub_80C5ED0
-	movs r4, 0
-_080C5E92:
-	adds r0, r4, 0
-	movs r1, 0x3
-	bl CopyWindowToVram
-	adds r0, r4, 0x1
-	lsls r0, 24
-	lsrs r4, r0, 24
-	cmp r4, 0x4
-	bls _080C5E92
-	movs r0, 0
-	bl CopyBgTilemapBufferToVram
-	add sp, 0xC
-	pop {r3}
-	mov r8, r3
-	pop {r4-r6}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end sub_80C5DB8
-
-	thumb_func_start sub_80C5ED0
-sub_80C5ED0: @ 80C5ED0
-	push {r4,lr}
-	sub sp, 0xC
-	lsls r0, 24
-	lsrs r4, r0, 24
-	movs r0, 0x3
-	movs r1, 0
-	bl FillWindowPixelBuffer
-	cmp r4, 0x3
-	bne _080C5F18
-	ldr r0, =gUnknown_02039CEC
-	ldr r0, [r0]
-	ldrb r0, [r0, 0xE]
-	movs r1, 0x1
-	ands r1, r0
-	cmp r1, 0
-	bne _080C5F18
-	ldr r0, =gUnknown_0857144B
-	str r0, [sp]
-	str r1, [sp, 0x4]
-	ldr r0, =gUnknown_08571614
-	ldr r0, [r0]
-	str r0, [sp, 0x8]
-	movs r0, 0x3
-	movs r1, 0x1
-	movs r2, 0x2
-	movs r3, 0
-	bl AddTextPrinterParameterized3
-	b _080C5F3A
-	.pool
-_080C5F18:
-	cmp r4, 0
-	beq _080C5F3A
-	ldr r0, =gUnknown_0857144B
-	str r0, [sp]
-	movs r0, 0
-	str r0, [sp, 0x4]
-	ldr r1, =gUnknown_08571614
-	lsls r0, r4, 2
-	adds r0, r1
-	ldr r0, [r0]
-	str r0, [sp, 0x8]
-	movs r0, 0x3
-	movs r1, 0x1
-	movs r2, 0x2
-	movs r3, 0
-	bl AddTextPrinterParameterized3
-_080C5F3A:
-	movs r0, 0x3
-	movs r1, 0x3
-	bl CopyWindowToVram
-	movs r0, 0
-	bl CopyBgTilemapBufferToVram
-	add sp, 0xC
-	pop {r4}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end sub_80C5ED0
-
-	thumb_func_start sub_80C5F58
-sub_80C5F58: @ 80C5F58
-	push {r4-r7,lr}
-	mov r7, r8
-	push {r7}
-	sub sp, 0x10
-	lsls r0, 24
-	lsrs r2, r0, 24
-	lsls r1, 24
-	lsrs r7, r1, 24
-	ldr r0, =gUnknown_02039CEC
-	ldr r0, [r0]
-	ldrb r0, [r0, 0xE]
-	lsls r0, 28
-	lsrs r0, 29
-	cmp r0, 0x1
-	beq _080C5F80
-	cmp r0, 0x2
-	beq _080C5FC2
-	b _080C60EE
-	.pool
-_080C5F80:
-	cmp r2, 0
-	beq _080C5FA8
-	ldr r0, =gUnknown_02039CF0
-	ldr r0, [r0]
-	ldr r1, [r0, 0x20]
-	movs r0, 0xC
-	str r0, [sp]
-	movs r0, 0x7
-	str r0, [sp, 0x4]
-	movs r0, 0x10
-	str r0, [sp, 0x8]
-	movs r0, 0x2
-	movs r2, 0x10
-	movs r3, 0x3
-	bl CopyToBgTilemapBufferRect_ChangePalette
-	b _080C6004
-	.pool
-_080C5FA8:
-	movs r0, 0xC
-	str r0, [sp]
-	movs r0, 0x7
-	str r0, [sp, 0x4]
-	movs r0, 0x10
-	str r0, [sp, 0x8]
-	movs r0, 0x2
-	movs r1, 0
-	movs r2, 0x10
-	movs r3, 0x3
-	bl FillBgTilemapBufferRect
-	b _080C6004
-_080C5FC2:
-	cmp r2, 0
-	beq _080C5FEC
-	ldr r0, =gUnknown_02039CF0
-	ldr r0, [r0]
-	ldr r1, [r0, 0x20]
-	adds r1, 0x54
-	movs r0, 0xC
-	str r0, [sp]
-	movs r0, 0x7
-	str r0, [sp, 0x4]
-	movs r0, 0x10
-	str r0, [sp, 0x8]
-	movs r0, 0x2
-	movs r2, 0x10
-	movs r3, 0xA
-	bl CopyToBgTilemapBufferRect_ChangePalette
-	b _080C6004
-	.pool
-_080C5FEC:
-	movs r0, 0xC
-	str r0, [sp]
-	movs r0, 0x7
-	str r0, [sp, 0x4]
-	movs r0, 0x10
-	str r0, [sp, 0x8]
-	movs r0, 0x2
-	movs r1, 0
-	movs r2, 0x10
-	movs r3, 0xA
-	bl FillBgTilemapBufferRect
-_080C6004:
-	movs r0, 0x2
-	bl CopyBgTilemapBufferToVram
-	cmp r7, 0
-	beq _080C6084
-	movs r4, 0xFE
-	lsls r4, 1
-	adds r0, r4, 0
-	bl sub_8151624
-	adds r6, r0, 0
-	lsls r6, 16
-	asrs r6, 16
-	adds r0, r4, 0
-	bl sub_8151624
-	lsls r0, 16
-	asrs r0, 16
-	ldr r5, =gUnknown_085713E0
-	ldr r1, =gUnknown_02039CEC
-	ldr r1, [r1]
-	ldrb r4, [r1, 0xE]
-	lsls r4, 28
-	lsrs r1, r4, 29
-	subs r1, 0x1
-	lsls r1, 2
-	adds r1, r5
-	movs r2, 0
-	ldrsh r1, [r1, r2]
-	lsls r1, 8
-	lsrs r2, r4, 29
-	subs r2, 0x1
-	lsls r2, 2
-	adds r3, r5, 0x2
-	mov r8, r3
-	add r2, r8
-	movs r3, 0
-	ldrsh r2, [r2, r3]
-	lsls r2, 8
-	lsrs r3, r4, 29
-	subs r3, 0x1
-	lsls r3, 2
-	adds r3, r5
-	movs r5, 0
-	ldrsh r3, [r3, r5]
-	lsrs r4, 29
-	subs r4, 0x1
-	lsls r4, 2
-	add r4, r8
-	movs r5, 0
-	ldrsh r4, [r4, r5]
-	str r4, [sp]
-	str r6, [sp, 0x4]
-	str r0, [sp, 0x8]
-	movs r0, 0
-	str r0, [sp, 0xC]
-	movs r0, 0x2
-	bl SetBgAffine
-	b _080C60EE
-	.pool
-_080C6084:
-	movs r4, 0x80
-	lsls r4, 1
-	adds r0, r4, 0
-	bl sub_8151624
-	adds r6, r0, 0
-	lsls r6, 16
-	asrs r6, 16
-	adds r0, r4, 0
-	bl sub_8151624
-	lsls r0, 16
-	asrs r0, 16
-	ldr r5, =gUnknown_085713E0
-	ldr r1, =gUnknown_02039CEC
-	ldr r1, [r1]
-	ldrb r4, [r1, 0xE]
-	lsls r4, 28
-	lsrs r1, r4, 29
-	subs r1, 0x1
-	lsls r1, 2
-	adds r1, r5
-	movs r2, 0
-	ldrsh r1, [r1, r2]
-	lsls r1, 8
-	lsrs r2, r4, 29
-	subs r2, 0x1
-	lsls r2, 2
-	adds r3, r5, 0x2
-	mov r8, r3
-	add r2, r8
-	movs r3, 0
-	ldrsh r2, [r2, r3]
-	lsls r2, 8
-	lsrs r3, r4, 29
-	subs r3, 0x1
-	lsls r3, 2
-	adds r3, r5
-	movs r5, 0
-	ldrsh r3, [r3, r5]
-	lsrs r4, 29
-	subs r4, 0x1
-	lsls r4, 2
-	add r4, r8
-	movs r5, 0
-	ldrsh r4, [r4, r5]
-	str r4, [sp]
-	str r6, [sp, 0x4]
-	str r0, [sp, 0x8]
-	str r7, [sp, 0xC]
-	movs r0, 0x2
-	bl SetBgAffine
-_080C60EE:
-	add sp, 0x10
-	pop {r3}
-	mov r8, r3
-	pop {r4-r7}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end sub_80C5F58
-
-	thumb_func_start sub_80C6104
-sub_80C6104: @ 80C6104
-	push {r4,r5,lr}
-	sub sp, 0xC
-	lsls r0, 24
-	lsrs r4, r0, 24
-	lsls r1, 24
-	lsrs r5, r1, 24
-	cmp r5, 0x2
-	beq _080C614C
-	cmp r5, 0x2
-	bgt _080C611E
-	cmp r5, 0x1
-	beq _080C6128
-	b _080C61C4
-_080C611E:
-	cmp r5, 0x3
-	beq _080C6170
-	cmp r5, 0x4
-	beq _080C61A4
-	b _080C61C4
-_080C6128:
-	ldr r0, =gUnknown_02039CF0
-	ldr r0, [r0]
-	ldr r1, [r0, 0x24]
-	movs r0, 0xC
-	str r0, [sp]
-	movs r0, 0x7
-	str r0, [sp, 0x4]
-	movs r0, 0x11
-	str r0, [sp, 0x8]
-	movs r0, 0x1
-	movs r2, 0x10
-	movs r3, 0x3
-	bl CopyToBgTilemapBufferRect_ChangePalette
-	b _080C61CE
-	.pool
-_080C614C:
-	ldr r0, =gUnknown_02039CF0
-	ldr r0, [r0]
-	ldr r1, [r0, 0x24]
-	movs r0, 0xA8
-	lsls r0, 1
-	adds r1, r0
-	movs r0, 0xC
-	str r0, [sp]
-	movs r0, 0x7
-	str r0, [sp, 0x4]
-	movs r0, 0x11
-	str r0, [sp, 0x8]
-	movs r0, 0x1
-	movs r2, 0x10
-	b _080C6192
-	.pool
-_080C6170:
-	ldr r0, =gUnknown_02039CEC
-	ldr r0, [r0]
-	ldrb r1, [r0, 0xE]
-	movs r0, 0x1
-	ands r0, r1
-	cmp r0, 0
-	beq _080C61C4
-	ldr r0, =gUnknown_02039CF0
-	ldr r0, [r0]
-	ldr r1, [r0, 0x28]
-	movs r0, 0xC
-	str r0, [sp]
-	str r5, [sp, 0x4]
-	movs r0, 0x11
-	str r0, [sp, 0x8]
-	movs r0, 0x1
-	movs r2, 0x2
-_080C6192:
-	movs r3, 0xA
-	bl CopyToBgTilemapBufferRect_ChangePalette
-	b _080C61CE
-	.pool
-_080C61A4:
-	ldr r1, =gUnknown_08DE3350
-	movs r0, 0x9
-	str r0, [sp]
-	movs r0, 0x2
-	str r0, [sp, 0x4]
-	movs r0, 0x11
-	str r0, [sp, 0x8]
-	movs r0, 0x1
-	movs r2, 0x15
-	movs r3, 0
-	bl CopyToBgTilemapBufferRect_ChangePalette
-	b _080C61CE
-	.pool
-_080C61C4:
-	subs r0, r4, 0x1
-	lsls r0, 24
-	lsrs r0, 24
-	cmp r0, 0x3
-	bhi _080C6294
-_080C61CE:
-	cmp r4, 0x2
-	beq _080C620C
-	cmp r4, 0x2
-	bgt _080C61DC
-	cmp r4, 0x1
-	beq _080C61E6
-	b _080C6284
-_080C61DC:
-	cmp r4, 0x3
-	beq _080C6230
-	cmp r4, 0x4
-	beq _080C6264
-	b _080C6284
-_080C61E6:
-	ldr r0, =gUnknown_02039CF0
-	ldr r0, [r0]
-	ldr r1, [r0, 0x24]
-	adds r1, 0xA8
-	movs r0, 0xC
-	str r0, [sp]
-	movs r0, 0x7
-	str r0, [sp, 0x4]
-	movs r0, 0x11
-	str r0, [sp, 0x8]
-	movs r0, 0x1
-	movs r2, 0x10
-	movs r3, 0x3
-	bl CopyToBgTilemapBufferRect_ChangePalette
-	b _080C628E
-	.pool
-_080C620C:
-	ldr r0, =gUnknown_02039CF0
-	ldr r0, [r0]
-	ldr r1, [r0, 0x24]
-	movs r0, 0xFC
-	lsls r0, 1
-	adds r1, r0
-	movs r0, 0xC
-	str r0, [sp]
-	movs r0, 0x7
-	str r0, [sp, 0x4]
-	movs r0, 0x11
-	str r0, [sp, 0x8]
-	movs r0, 0x1
-	movs r2, 0x10
-	b _080C6254
-	.pool
-_080C6230:
-	ldr r0, =gUnknown_02039CEC
-	ldr r0, [r0]
-	ldrb r1, [r0, 0xE]
-	movs r0, 0x1
-	ands r0, r1
-	cmp r0, 0
-	beq _080C6294
-	ldr r0, =gUnknown_02039CF0
-	ldr r0, [r0]
-	ldr r1, [r0, 0x28]
-	adds r1, 0x48
-	movs r0, 0xC
-	str r0, [sp]
-	str r4, [sp, 0x4]
-	movs r0, 0x11
-	str r0, [sp, 0x8]
-	movs r0, 0x1
-	movs r2, 0x2
-_080C6254:
-	movs r3, 0xA
-	bl CopyToBgTilemapBufferRect_ChangePalette
-	b _080C628E
-	.pool
-_080C6264:
-	ldr r1, =gUnknown_08DE3374
-	movs r0, 0x9
-	str r0, [sp]
-	movs r0, 0x2
-	str r0, [sp, 0x4]
-	movs r0, 0x11
-	str r0, [sp, 0x8]
-	movs r0, 0x1
-	movs r2, 0x15
-	movs r3, 0
-	bl CopyToBgTilemapBufferRect_ChangePalette
-	b _080C628E
-	.pool
-_080C6284:
-	subs r0, r5, 0x1
-	lsls r0, 24
-	lsrs r0, 24
-	cmp r0, 0x3
-	bhi _080C6294
-_080C628E:
-	movs r0, 0x1
-	bl CopyBgTilemapBufferToVram
-_080C6294:
-	add sp, 0xC
-	pop {r4,r5}
-	pop {r0}
-	bx r0
-	thumb_func_end sub_80C6104
-
-	thumb_func_start sub_80C629C
-sub_80C629C: @ 80C629C
-	push {r4,lr}
-	ldr r1, =gUnknown_08DE3060
-	movs r0, 0x1
-	movs r2, 0
-	movs r3, 0
-	bl CopyToBgTilemapBuffer
-	ldr r4, =gUnknown_02039CEC
-	ldr r1, [r4]
-	ldrb r0, [r1, 0xC]
-	ldrb r1, [r1, 0xD]
-	bl sub_80C6104
-	ldr r0, [r4]
-	ldrb r1, [r0, 0xE]
-	lsls r1, 28
-	lsrs r1, 29
-	movs r0, 0x1
-	bl sub_80C5F58
-	bl sub_80C5DB8
-	movs r0, 0x1
-	bl CopyBgTilemapBufferToVram
-	pop {r4}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end sub_80C629C
-
-	thumb_func_start sub_80C62DC
-sub_80C62DC: @ 80C62DC
-	push {r4-r7,lr}
-	mov r7, r9
-	mov r6, r8
-	push {r6,r7}
-	sub sp, 0x18
-	movs r5, 0
-	bl FreeAllSpritePalettes
-	bl ResetAffineAnimData
-	ldr r0, =gUnknown_085714E4
-	bl LoadSpritePalettes
-	ldr r4, =gUnknown_085714BC
-	adds r0, r4, 0
-	bl LoadCompressedSpriteSheet
-	adds r4, 0x10
-	adds r0, r4, 0
-	bl LoadCompressedSpriteSheet
-	ldr r0, =gUnknown_085715B4
-	ldr r1, =gUnknown_02039CEC
-	ldr r2, [r1]
-	movs r3, 0x8
-	ldrsh r1, [r2, r3]
-	movs r6, 0xA
-	ldrsh r2, [r2, r6]
-	movs r3, 0
-	bl CreateSprite
-	lsls r0, 24
-	lsrs r0, 24
-	ldr r3, =gUnknown_02039CF0
-	ldr r2, [r3]
-	lsls r1, r0, 4
-	adds r1, r0
-	lsls r1, 2
-	ldr r0, =gSprites
-	adds r1, r0
-	str r1, [r2]
-	ldrb r2, [r1, 0x5]
-	movs r0, 0xD
-	negs r0, r0
-	ands r0, r2
-	strb r0, [r1, 0x5]
-	mov r8, sp
-	mov r9, r3
-_080C633C:
-	ldr r0, =gUnknown_02039CEC
-	ldr r0, [r0]
-	adds r0, 0xF
-	adds r2, r0, r5
-	ldrb r0, [r2]
-	adds r4, r5, 0x1
-	cmp r0, 0
-	beq _080C63C2
-	mov r1, sp
-	ldr r0, =gUnknown_085715E4
-	ldm r0!, {r3,r6,r7}
-	stm r1!, {r3,r6,r7}
-	ldm r0!, {r3,r6,r7}
-	stm r1!, {r3,r6,r7}
-	mov r7, r8
-	ldrh r0, [r7, 0x2]
-	ldr r1, =0x0000ffff
-	adds r0, r1
-	ldrb r2, [r2]
-	adds r0, r2
-	strh r0, [r7, 0x2]
-	ldr r1, =gUnknown_08571454
-	adds r0, r5, 0x6
-	lsls r0, 3
-	adds r0, r1
-	ldrh r1, [r0, 0x4]
-	adds r1, 0x8
-	lsls r1, 16
-	asrs r1, 16
-	ldrh r2, [r0]
-	adds r2, 0x6
-	lsls r2, 16
-	asrs r2, 16
-	lsls r3, r4, 24
-	lsrs r3, 24
-	mov r0, sp
-	bl CreateSprite
-	lsls r0, 24
-	lsrs r0, 24
-	mov r3, r9
-	ldr r2, [r3]
-	lsls r3, r5, 2
-	adds r2, 0x4
-	adds r2, r3
-	lsls r1, r0, 4
-	adds r1, r0
-	lsls r1, 2
-	ldr r0, =gSprites
-	adds r1, r0
-	str r1, [r2]
-	ldrb r2, [r1, 0x5]
-	movs r6, 0xD
-	negs r6, r6
-	adds r0, r6, 0
-	ands r2, r0
-	movs r0, 0x8
-	orrs r2, r0
-	strb r2, [r1, 0x5]
-	mov r7, r9
-	ldr r0, [r7]
-	adds r0, 0x4
-	adds r0, r3
-	ldr r0, [r0]
-	adds r1, r5, 0
-	bl StartSpriteAnim
-_080C63C2:
-	lsls r0, r4, 24
-	lsrs r5, r0, 24
-	cmp r5, 0x6
-	bls _080C633C
-	add sp, 0x18
-	pop {r3,r4}
-	mov r8, r3
-	mov r9, r4
-	pop {r4-r7}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end sub_80C62DC
-
-	thumb_func_start sub_80C63FC
-sub_80C63FC: @ 80C63FC
-	push {r4-r6,lr}
-	movs r5, 0
-	ldr r4, =gUnknown_02039CF0
-	ldr r0, [r4]
-	ldr r0, [r0]
-	bl DestroySprite
-	ldr r0, [r4]
-	str r5, [r0]
-	adds r6, r4, 0
-_080C6410:
-	ldr r0, [r6]
-	lsls r4, r5, 2
-	adds r0, 0x4
-	adds r0, r4
-	ldr r0, [r0]
-	cmp r0, 0
-	beq _080C642C
-	bl DestroySprite
-	ldr r0, [r6]
-	adds r0, 0x4
-	adds r0, r4
-	movs r1, 0
-	str r1, [r0]
-_080C642C:
-	adds r0, r5, 0x1
-	lsls r0, 24
-	lsrs r5, r0, 24
-	cmp r5, 0x6
-	bls _080C6410
-	bl FreeAllSpritePalettes
-	movs r0, 0x2
-	bl FreeSpriteTilesByTag
-	movs r0, 0
-	bl FreeSpriteTilesByTag
-	pop {r4-r6}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end sub_80C63FC
-
-	thumb_func_start nullsub_39
-nullsub_39: @ 80C6450
-	bx lr
-	thumb_func_end nullsub_39
-
-	thumb_func_start sub_80C6454
-sub_80C6454: @ 80C6454
+	thumb_func_start ShowFrontierMap
+ShowFrontierMap: @ 80C6454
 	push {r4,r5,lr}
 	adds r4, r0, 0
 	ldr r5, =gUnknown_02039CF4
@@ -1350,13 +26,13 @@ _080C6466:
 	ldr r0, =sub_80C67BC
 	movs r1, 0
 	bl CreateTask
-	ldr r0, =sub_80C5438
+	ldr r0, =CB2_FrontierPass
 	bl SetMainCallback2
 	pop {r4,r5}
 	pop {r0}
 	bx r0
 	.pool
-	thumb_func_end sub_80C6454
+	thumb_func_end ShowFrontierMap
 
 	thumb_func_start sub_80C6498
 sub_80C6498: @ 80C6498
@@ -1524,7 +200,7 @@ _080C6628:
 	movs r0, 0x2
 	bl ShowBg
 	bl sub_80C6974
-	ldr r0, =sub_80C53AC
+	ldr r0, =VblankCb_FrontierPass
 	bl SetVBlankCallback
 	movs r5, 0x1
 	negs r5, r5
diff --git a/include/frontier_pass.h b/include/frontier_pass.h
new file mode 100644
index 000000000..bdfc1996f
--- /dev/null
+++ b/include/frontier_pass.h
@@ -0,0 +1,7 @@
+#ifndef GUARD_FRONTIER_PASS_H
+#define GUARD_FRONTIER_PASS_H
+
+void ShowFrontierPass(void (*callback)(void));
+void CB2_ReshowFrontierPass(void);
+
+#endif // GUARD_FRONTIER_PASS_H
diff --git a/include/graphics.h b/include/graphics.h
index d6a32cab2..ed91b06c1 100644
--- a/include/graphics.h
+++ b/include/graphics.h
@@ -4863,6 +4863,9 @@ extern const u32 gUnknown_08DD1F78[];
 // Frontier Pass
 extern const u32 gUnknown_08DE08C8[];
 extern const u32 gUnknown_08DE2084[];
+extern const u32 gUnknown_08DE3350[];
+extern const u32 gUnknown_08DE3374[];
+extern const u32 gUnknown_08DE3060[];
 extern const u16 gUnknown_08DE07C8[][16];
 
 #endif //GUARD_GRAPHICS_H
diff --git a/include/palette.h b/include/palette.h
index f51dc4b88..e24da3e00 100644
--- a/include/palette.h
+++ b/include/palette.h
@@ -63,7 +63,7 @@ void TintPlttBuffer(u32, s8, s8, s8);
 void UnfadePlttBuffer(u32);
 void BeginFastPaletteFade(u8);
 void BeginHardwarePaletteFade(u8, u8, u8, u8, u8);
-void BlendPalettes(u32, u8, u16);
+void BlendPalettes(u32 selectedPalettes, u8 coeff, u16 color);
 void BlendPalettesUnfaded(u32, u8, u16);
 void sub_80A2C44(u32 a1, s8 a2, u8 a3, u8 a4, u16 a5, u8 a6, u8 a7);
 void TintPalette_GrayScale(u16 *palette, u16 count);
diff --git a/include/strings.h b/include/strings.h
index 4e9c91ff5..2c07eb68e 100644
--- a/include/strings.h
+++ b/include/strings.h
@@ -2248,4 +2248,9 @@ extern const u8 gText_Var1DarkLightGreyBP[];
 extern const u8 gText_BattleTower[];
 extern const u8 gText_BattlePtsWon[];
 
-#endif //GUARD_STRINGS_H
+// Frontier Pass
+extern const u8 gText_SymbolsEarned[];
+extern const u8 gText_BattleRecord[];
+extern const u8 gText_BattlePoints[];
+
+#endif // GUARD_STRINGS_H
diff --git a/src/frontier_pass.c b/src/frontier_pass.c
index 7b25ca9b8..078baaff1 100644
--- a/src/frontier_pass.c
+++ b/src/frontier_pass.c
@@ -10,19 +10,36 @@
 #include "text_window.h"
 #include "task.h"
 #include "graphics.h"
+#include "strings.h"
+#include "frontier_pass.h"
+#include "international_string_util.h"
 #include "palette.h"
 #include "window.h"
+#include "decompress.h"
 #include "menu_helpers.h"
 #include "menu.h"
 #include "bg.h"
 #include "sound.h"
+#include "string_util.h"
 #include "battle_pyramid.h"
 #include "overworld.h"
+#include "math_util.h"
 #include "constants/battle_frontier.h"
 #include "constants/rgb.h"
 #include "constants/region_map_sections.h"
 #include "constants/songs.h"
 
+// All windows displayed in the frontier pass.
+enum
+{
+	WINDOW_EARNED_SYMBOLS,
+	WINDOW_BATTLE_RECORD,
+	WINDOW_BATTLE_POINTS,
+	WINDOW_DESCRIPTION,
+	WINDOW_4,
+	WINDOW_COUNT
+};
+
 enum
 {
     CURSOR_AREA_NOTHING,
@@ -41,8 +58,8 @@ struct FrontierPassData
     void (*callback)(void);
     u16 state;
     u16 battlePoints;
-    s16 x;
-    s16 y;
+    s16 cursorX;
+    s16 cursorY;
     u8 cursorArea;
     u8 previousCursorArea;
     u8 hasBattleRecord:1;
@@ -51,13 +68,14 @@ struct FrontierPassData
     u8 facilitySymbols[NUM_FRONTIER_FACILITIES];
 };
 
-struct FrontierPassUnk
+struct FrontierPassGfx
 {
-    u32 unk0[8];
+    struct Sprite *cursorSprite;
+    struct Sprite *symbolSprites[NUM_FRONTIER_FACILITIES];
     u8 *unk20;
     u8 *unk24;
     u8 *unk28;
-    bool8 unk2C;
+    bool8 setAffine;
     s16 unk2E;
     s16 unk30;
     u8 tilemapBuff1[0x1000];
@@ -68,26 +86,29 @@ struct FrontierPassUnk
 struct FrontierPassSaved
 {
     void (*callback)(void);
-    s16 x;
-    s16 y;
+    s16 cursorX;
+    s16 cursorY;
 };
 
 extern struct FrontierPassData *gUnknown_02039CEC;
-extern struct FrontierPassUnk *gUnknown_02039CF0;
+extern struct FrontierPassGfx *gUnknown_02039CF0;
 extern struct FrontierPassSaved gUnknown_02039CF8;
 
 // This file's functions.
-u32 sub_80C51F0(void (*callback)(void));
-void sub_80C544C(void);
+u32 AllocateFrontierPassData(void (*callback)(void));
+void ShowFrontierMap(void (*callback)(void));
+void CB2_InitFrontierPass(void);
 void sub_80C629C(void);
-void sub_80C63FC(void);
-void sub_80C62DC(void);
-u32 sub_80C52E4(void);
-bool32 sub_80C5484(void);
-bool32 sub_80C570C(void);
-void sub_80C5A48(u8 taskId);
-void sub_80C5BD8(u8 taskId);
+void FreeCursorAndSymbolSprites(void);
+void LoadCursorAndSymbolSprites(void);
+u32 FreeFrontierPassData(void);
+bool32 InitFrontierPass(void);
+bool32 HideFrontierPass(void);
+void Task_HandleFrontierPassInput(u8 taskId);
+void Task_DoFadeEffect(u8 taskId);
 void sub_80C6104(u8 cursorArea, u8 previousCursorArea);
+void PrintAreaDescription(u8 cursorArea);
+void sub_80C5F58(bool8 arg0, bool8 arg1);
 
 // Const rom data.
 extern const s16 gUnknown_085713E0[][2];
@@ -96,6 +117,13 @@ extern const struct WindowTemplate gUnknown_08571400[];
 extern const u32 gUnknown_085712F8[];
 extern const u32 gUnknown_085712C0[];
 extern const u32 gUnknown_08571060[];
+extern const u8 gUnknown_08571448[];
+extern const u8 gUnknown_0857144B[];
+extern const u8 *const gUnknown_08571614[];
+extern const struct SpritePalette gUnknown_085714E4[];
+extern const struct CompressedSpriteSheet gUnknown_085714BC[];
+extern const struct SpriteTemplate gUnknown_085715B4;
+extern const struct SpriteTemplate gUnknown_085715E4;
 
 // code
 void sub_80C50D0(void)
@@ -126,19 +154,19 @@ void sub_80C50D0(void)
     CpuFill32(0, (void *)OAM, OAM_SIZE);
 }
 
-void sub_80C51C4(void (*callback)(void))
+void ShowFrontierPass(void (*callback)(void))
 {
-    sub_80C51F0(callback);
-    SetMainCallback2(sub_80C544C);
+    AllocateFrontierPassData(callback);
+    SetMainCallback2(CB2_InitFrontierPass);
 }
 
-void sub_80C51D8(void)
+void LeaveFrontierPass(void)
 {
     SetMainCallback2(gUnknown_02039CEC->callback);
-    sub_80C52E4();
+    FreeFrontierPassData();
 }
 
-u32 sub_80C51F0(void (*callback)(void))
+u32 AllocateFrontierPassData(void (*callback)(void))
 {
     u8 i;
 
@@ -153,13 +181,13 @@ u32 sub_80C51F0(void (*callback)(void))
     i = GetCurrentRegionMapSectionId();
     if (i != MAPSEC_BATTLE_FRONTIER && i != MAPSEC_ARTISAN_CAVE)
     {
-        gUnknown_02039CEC->x = 176;
-        gUnknown_02039CEC->y = 104;
+        gUnknown_02039CEC->cursorX = 176;
+        gUnknown_02039CEC->cursorY = 104;
     }
     else
     {
-        gUnknown_02039CEC->x = 176;
-        gUnknown_02039CEC->y = 48;
+        gUnknown_02039CEC->cursorX = 176;
+        gUnknown_02039CEC->cursorY = 48;
     }
 
     gUnknown_02039CEC->battlePoints = gSaveBlock2Ptr->frontier.battlePoints;
@@ -177,7 +205,7 @@ u32 sub_80C51F0(void (*callback)(void))
     return 0;
 }
 
-u32 sub_80C52E4(void)
+u32 FreeFrontierPassData(void)
 {
     if (gUnknown_02039CEC == NULL)
         return 1;
@@ -187,7 +215,7 @@ u32 sub_80C52E4(void)
     return 0;
 }
 
-u32 sub_80C5310(void)
+u32 AllocateFrontierPassGfx(void)
 {
     if (gUnknown_02039CF0 != NULL)
         return 1;
@@ -199,7 +227,7 @@ u32 sub_80C5310(void)
     return 0;
 }
 
-u32 sub_80C5340(void)
+u32 FreeFrontierPassGfx(void)
 {
     FreeAllWindowBuffers();
     if (gUnknown_02039CF0 == NULL)
@@ -217,9 +245,9 @@ u32 sub_80C5340(void)
     return 0;
 }
 
-void sub_80C53AC(void)
+void VblankCb_FrontierPass(void)
 {
-    if (gUnknown_02039CF0->unk2C)
+    if (gUnknown_02039CF0->setAffine)
     {
         SetBgAffine(2,
                     gUnknown_085713E0[gUnknown_02039CEC->unkE - 1][0] << 8,
@@ -235,31 +263,31 @@ void sub_80C53AC(void)
     TransferPlttBuffer();
 }
 
-void sub_80C5438(void)
+void CB2_FrontierPass(void)
 {
     RunTasks();
     AnimateSprites();
     BuildOamBuffer();
 }
 
-void sub_80C544C(void)
+void CB2_InitFrontierPass(void)
 {
-    if (sub_80C5484())
+    if (InitFrontierPass())
     {
-        CreateTask(sub_80C5A48, 0);
-        SetMainCallback2(sub_80C5438);
+        CreateTask(Task_HandleFrontierPassInput, 0);
+        SetMainCallback2(CB2_FrontierPass);
     }
 }
 
-void sub_80C5470(void)
+void CB2_HideFrontierPass(void)
 {
-    if (sub_80C570C())
+    if (HideFrontierPass())
     {
-        sub_80C51D8();
+        LeaveFrontierPass();
     }
 }
 
-bool32 sub_80C5484(void)
+bool32 InitFrontierPass(void)
 {
     u32 sizeOut = 0;
 
@@ -282,7 +310,7 @@ bool32 sub_80C5484(void)
         reset_temp_tile_data_buffers();
         break;
     case 3:
-        sub_80C5310();
+        AllocateFrontierPassGfx();
         break;
     case 4:
         ResetBgsAndClearDma3BusyFlags(0);
@@ -330,8 +358,8 @@ bool32 sub_80C5484(void)
         ShowBg(0);
         ShowBg(1);
         ShowBg(2);
-        sub_80C62DC();
-        SetVBlankCallback(sub_80C53AC);
+        LoadCursorAndSymbolSprites();
+        SetVBlankCallback(VblankCb_FrontierPass);
         BlendPalettes(0xFFFFFFFF, 0x10, 0);
         BeginNormalPaletteFade(0xFFFFFFFF, 0, 0x10, 0, RGB_BLACK);
         break;
@@ -349,7 +377,7 @@ bool32 sub_80C5484(void)
     return FALSE;
 }
 
-bool32 sub_80C570C(void)
+bool32 HideFrontierPass(void)
 {
     switch (gUnknown_02039CEC->state)
     {
@@ -378,7 +406,7 @@ bool32 sub_80C570C(void)
         SetVBlankHBlankCallbacksToNull();
         break;
     case 3:
-        sub_80C63FC();
+        FreeCursorAndSymbolSprites();
         break;
     case 4:
         sub_80C50D0();
@@ -390,7 +418,7 @@ bool32 sub_80C570C(void)
         UnsetBgTilemapBuffer(0);
         UnsetBgTilemapBuffer(1);
         UnsetBgTilemapBuffer(2);
-        sub_80C5340();
+        FreeFrontierPassGfx();
         gUnknown_02039CEC->state = 0;
         return TRUE;
     }
@@ -408,7 +436,7 @@ struct
 }
 extern const gUnknown_08571454[];
 
-u8 sub_80C57FC(s16 x, s16 y)
+u8 GetCursorAreaFromCoords(s16 x, s16 y)
 {
     u8 i;
 
@@ -428,35 +456,35 @@ u8 sub_80C57FC(s16 x, s16 y)
     return 0;
 }
 
-void sub_80C5868(void)
+void CB2_ReshowFrontierPass(void)
 {
     u8 taskId;
 
-    if (!sub_80C5484())
+    if (!InitFrontierPass())
         return;
 
     switch (gUnknown_02039CEC->unkE)
     {
     case 1:
     case 2:
-        taskId = CreateTask(sub_80C5BD8, 0);
-        gTasks[taskId].data[0] = 1;
+        taskId = CreateTask(Task_DoFadeEffect, 0);
+        gTasks[taskId].data[0] = TRUE;
         break;
     case 3:
     default:
         gUnknown_02039CEC->unkE = 0;
-        taskId = CreateTask(sub_80C5A48, 0);
+        taskId = CreateTask(Task_HandleFrontierPassInput, 0);
         break;
     }
 
-    SetMainCallback2(sub_80C5438);
+    SetMainCallback2(CB2_FrontierPass);
 }
 
-void sub_80C58D4(void)
+void CB2_ReturnFromRecord(void)
 {
-    sub_80C51F0(gUnknown_02039CF8.callback);
-    gUnknown_02039CEC->x = gUnknown_02039CF8.x;
-    gUnknown_02039CEC->y = gUnknown_02039CF8.y;
+    AllocateFrontierPassData(gUnknown_02039CF8.callback);
+    gUnknown_02039CEC->cursorX = gUnknown_02039CF8.cursorX;
+    gUnknown_02039CEC->cursorY = gUnknown_02039CF8.cursorY;
     memset(&gUnknown_02039CF8, 0, sizeof(gUnknown_02039CF8));
     switch (InBattlePyramid())
     {
@@ -471,5 +499,438 @@ void sub_80C58D4(void)
         break;
     }
 
-    SetMainCallback2(sub_80C5868);
+    SetMainCallback2(CB2_ReshowFrontierPass);
+}
+
+void CB2_ShowFrontierPassFeature(void)
+{
+    if (!HideFrontierPass())
+        return;
+
+    switch (gUnknown_02039CEC->unkE)
+    {
+    case 1:
+        ShowFrontierMap(CB2_ReshowFrontierPass);
+        break;
+    case 3:
+        gUnknown_02039CF8.callback = gUnknown_02039CEC->callback;
+        gUnknown_02039CF8.cursorX = gUnknown_02039CEC->cursorX;
+        gUnknown_02039CF8.cursorY = gUnknown_02039CEC->cursorY;
+        FreeFrontierPassData();
+        PlayRecordedBattle(CB2_ReturnFromRecord);
+        break;
+    case 2:
+        ShowPlayerTrainerCard(CB2_ReshowFrontierPass);
+        break;
+    }
+}
+
+bool32 TryCallPassAreaFunction(u8 taskId, u8 cursorArea)
+{
+    switch (cursorArea)
+    {
+    case CURSOR_AREA_RECORD:
+        if (!gUnknown_02039CEC->hasBattleRecord)
+            return FALSE;
+        gUnknown_02039CEC->unkE = 3;
+        DestroyTask(taskId);
+        SetMainCallback2(CB2_ShowFrontierPassFeature);
+        break;
+    case CURSOR_AREA_MAP:
+    case CURSOR_AREA_CARD:
+        gUnknown_02039CEC->unkE = cursorArea;
+        gTasks[taskId].func = Task_DoFadeEffect;
+        gTasks[taskId].data[0] = FALSE;
+        break;
+    default:
+        return FALSE;
+    }
+
+    gUnknown_02039CEC->cursorX = gUnknown_02039CF0->cursorSprite->pos1.x;
+    gUnknown_02039CEC->cursorY = gUnknown_02039CF0->cursorSprite->pos1.y;
+    return TRUE;
+}
+
+void Task_HandleFrontierPassInput(u8 taskId)
+{
+    u8 var = FALSE; // Reused, first informs whether the cursor moves, then used as the new cursor area.
+
+    if (gMain.heldKeys & DPAD_UP && gUnknown_02039CF0->cursorSprite->pos1.y >= 9)
+    {
+        gUnknown_02039CF0->cursorSprite->pos1.y -= 2;
+        if (gUnknown_02039CF0->cursorSprite->pos1.y <= 7)
+            gUnknown_02039CF0->cursorSprite->pos1.y = 2;
+        var = TRUE;
+    }
+    if (gMain.heldKeys & DPAD_DOWN && gUnknown_02039CF0->cursorSprite->pos1.y <= 135)
+    {
+        gUnknown_02039CF0->cursorSprite->pos1.y += 2;
+        if (gUnknown_02039CF0->cursorSprite->pos1.y >= 137)
+            gUnknown_02039CF0->cursorSprite->pos1.y = 136;
+        var = TRUE;
+    }
+
+    if (gMain.heldKeys & DPAD_LEFT && gUnknown_02039CF0->cursorSprite->pos1.x >= 6)
+    {
+        gUnknown_02039CF0->cursorSprite->pos1.x -= 2;
+        if (gUnknown_02039CF0->cursorSprite->pos1.x <= 4)
+            gUnknown_02039CF0->cursorSprite->pos1.x = 5;
+        var = TRUE;
+    }
+    if (gMain.heldKeys & DPAD_RIGHT && gUnknown_02039CF0->cursorSprite->pos1.x <= 231)
+    {
+        gUnknown_02039CF0->cursorSprite->pos1.x += 2;
+        if (gUnknown_02039CF0->cursorSprite->pos1.x >= 233)
+            gUnknown_02039CF0->cursorSprite->pos1.x = 232;
+        var = TRUE;
+    }
+
+    if (!var) // Cursor did not change.
+    {
+        if (gUnknown_02039CEC->cursorArea != CURSOR_AREA_NOTHING && gMain.newKeys & A_BUTTON)
+        {
+            if (gUnknown_02039CEC->cursorArea <= CURSOR_AREA_RECORD) // Map, Card, Record
+            {
+                PlaySE(SE_SELECT);
+                if (TryCallPassAreaFunction(taskId, gUnknown_02039CEC->cursorArea))
+                    return;
+            }
+            else if (gUnknown_02039CEC->cursorArea == CURSOR_AREA_CANCEL)
+            {
+                PlaySE(SE_PC_OFF);
+                SetMainCallback2(CB2_HideFrontierPass);
+                DestroyTask(taskId);
+                // BUG. The function should return here. Otherwise, it can play the same sound twice and destroy the same task twice.
+            }
+        }
+
+        if (gMain.newKeys & B_BUTTON)
+        {
+            PlaySE(SE_PC_OFF);
+            SetMainCallback2(CB2_HideFrontierPass);
+            DestroyTask(taskId);
+        }
+    }
+    else
+    {
+        var = GetCursorAreaFromCoords(gUnknown_02039CF0->cursorSprite->pos1.x - 5, gUnknown_02039CF0->cursorSprite->pos1.y + 5);
+        if (gUnknown_02039CEC->cursorArea != var)
+        {
+            PrintAreaDescription(var);
+            gUnknown_02039CEC->previousCursorArea = gUnknown_02039CEC->cursorArea;
+            gUnknown_02039CEC->cursorArea = var;
+            sub_80C6104(gUnknown_02039CEC->cursorArea, gUnknown_02039CEC->previousCursorArea);
+        }
+    }
+}
+
+void Task_DoFadeEffect(u8 taskId)
+{
+    s16 *data = gTasks[taskId].data;
+
+    switch (gUnknown_02039CEC->state)
+    {
+    case 0:
+        if (!data[0])
+        {
+            sub_80C5F58(TRUE, FALSE);
+            data[1] = 0x100;
+            data[2] = 0x100;
+            data[3] = 0x15;
+            data[4] = 0x15;
+            BeginNormalPaletteFade(0xFFFFFFFF, 0, 0, 0x10, RGB_WHITE);
+        }
+        else
+        {
+            data[1] = 0x1FC;
+            data[2] = 0x1FC;
+            data[3] = -0x15;
+            data[4] = -0x15;
+            SetGpuReg(REG_OFFSET_DISPCNT, DISPCNT_OBJ_ON | DISPCNT_OBJ_1D_MAP);
+            ShowBg(0);
+            ShowBg(1);
+            ShowBg(2);
+            LoadCursorAndSymbolSprites();
+            SetVBlankCallback(VblankCb_FrontierPass);
+            BlendPalettes(0xFFFFFFFF, 0x10, RGB_WHITE);
+            BeginNormalPaletteFade(0xFFFFFFFF, 0, 0x10, 0, RGB_WHITE);
+        }
+        gUnknown_02039CF0->setAffine = TRUE;
+        gUnknown_02039CF0->unk2E = sub_8151624(data[1]);
+        gUnknown_02039CF0->unk30 = sub_8151624(data[2]);
+        break;
+    case 1:
+        UpdatePaletteFade();
+        data[1] += data[3];
+        data[2] += data[4];
+        gUnknown_02039CF0->unk2E = sub_8151624(data[1]);
+        gUnknown_02039CF0->unk30 = sub_8151624(data[2]);
+        if (!data[0])
+        {
+            if (data[1] <= 0x1FC)
+                return;
+        }
+        else
+        {
+            if (data[1] != 0x100)
+                return;
+        }
+        break;
+    case 2:
+        if (gUnknown_02039CF0->setAffine) // Nonsensical check.
+            gUnknown_02039CF0->setAffine = FALSE;
+        if (UpdatePaletteFade())
+            return;
+        if (!data[0])
+        {
+            DestroyTask(taskId);
+            SetMainCallback2(CB2_ShowFrontierPassFeature);
+        }
+        else
+        {
+            sub_80C5F58(FALSE, FALSE);
+            gUnknown_02039CEC->unkE = 0;
+            gTasks[taskId].func = Task_HandleFrontierPassInput;
+        }
+        SetBgAttribute(2, BG_ATTR_WRAPAROUND, 0);
+        gUnknown_02039CEC->state = 0;
+        return;
+    }
+
+    gUnknown_02039CEC->state++;
+}
+
+void ShowAndPrintWindows(void)
+{
+    s32 x;
+    u8 i;
+
+    for (i = 0; i < WINDOW_COUNT; i++)
+    {
+        PutWindowTilemap(i);
+        FillWindowPixelBuffer(i, 0);
+    }
+
+    x = GetStringCenterAlignXOffset(1, gText_SymbolsEarned, 0x60);
+    AddTextPrinterParameterized3(WINDOW_EARNED_SYMBOLS, 1, x, 5, gUnknown_08571448, 0, gText_SymbolsEarned);
+
+    x = GetStringCenterAlignXOffset(1, gText_BattleRecord, 0x60);
+    AddTextPrinterParameterized3(WINDOW_BATTLE_RECORD, 1, x, 5, gUnknown_08571448, 0, gText_BattleRecord);
+
+    AddTextPrinterParameterized3(WINDOW_BATTLE_POINTS, 8, 5, 4, gUnknown_08571448, 0, gText_BattlePoints);
+    ConvertIntToDecimalStringN(gStringVar4, gUnknown_02039CEC->battlePoints, STR_CONV_MODE_LEFT_ALIGN, 5);
+    x = GetStringRightAlignXOffset(8, gStringVar4, 0x5B);
+    AddTextPrinterParameterized3(WINDOW_BATTLE_POINTS, 8, x, 16, gUnknown_08571448, 0, gStringVar4);
+
+    gUnknown_02039CEC->cursorArea = GetCursorAreaFromCoords(gUnknown_02039CEC->cursorX - 5, gUnknown_02039CEC->cursorY + 5);
+    gUnknown_02039CEC->previousCursorArea = CURSOR_AREA_NOTHING;
+    PrintAreaDescription(gUnknown_02039CEC->cursorArea);
+
+    for (i = 0; i < WINDOW_COUNT; i++)
+        CopyWindowToVram(i, 3);
+
+    CopyBgTilemapBufferToVram(0);
+}
+
+void PrintAreaDescription(u8 cursorArea)
+{
+    FillWindowPixelBuffer(WINDOW_DESCRIPTION, 0);
+    if (cursorArea == CURSOR_AREA_RECORD && !gUnknown_02039CEC->hasBattleRecord)
+        AddTextPrinterParameterized3(WINDOW_DESCRIPTION, 1, 2, 0, gUnknown_0857144B, 0, gUnknown_08571614[0]);
+    else if (cursorArea != CURSOR_AREA_NOTHING)
+        AddTextPrinterParameterized3(WINDOW_DESCRIPTION, 1, 2, 0, gUnknown_0857144B, 0, gUnknown_08571614[cursorArea]);
+
+    CopyWindowToVram(WINDOW_DESCRIPTION, 3);
+    CopyBgTilemapBufferToVram(0);
+}
+
+void sub_80C5F58(bool8 arg0, bool8 arg1)
+{
+    switch (gUnknown_02039CEC->unkE)
+    {
+    case 1:
+        if (arg0)
+            CopyToBgTilemapBufferRect_ChangePalette(2, gUnknown_02039CF0->unk20, 16, 3, 12, 7, 16);
+        else
+            FillBgTilemapBufferRect(2, 0, 16, 3, 12, 7, 16);
+        break;
+    case 2:
+        if (arg0)
+            CopyToBgTilemapBufferRect_ChangePalette(2, gUnknown_02039CF0->unk20 + 84, 16, 10, 12, 7, 16);
+        else
+            FillBgTilemapBufferRect(2, 0, 16, 10, 12, 7, 16);
+        break;
+    default:
+        return;
+    }
+
+    CopyBgTilemapBufferToVram(2);
+    if (arg1)
+    {
+        SetBgAffine(2,
+                    gUnknown_085713E0[gUnknown_02039CEC->unkE - 1][0] << 8,
+                    gUnknown_085713E0[gUnknown_02039CEC->unkE - 1][1] << 8,
+                    gUnknown_085713E0[gUnknown_02039CEC->unkE - 1][0],
+                    gUnknown_085713E0[gUnknown_02039CEC->unkE - 1][1],
+                    sub_8151624(0x1FC),
+                    sub_8151624(0x1FC),
+                    0);
+    }
+    else
+    {
+        SetBgAffine(2,
+                    gUnknown_085713E0[gUnknown_02039CEC->unkE - 1][0] << 8,
+                    gUnknown_085713E0[gUnknown_02039CEC->unkE - 1][1] << 8,
+                    gUnknown_085713E0[gUnknown_02039CEC->unkE - 1][0],
+                    gUnknown_085713E0[gUnknown_02039CEC->unkE - 1][1],
+                    sub_8151624(0x100),
+                    sub_8151624(0x100),
+                    0);
+    }
+}
+
+void sub_80C6104(u8 cursorArea, u8 previousCursorArea)
+{
+    bool32 var;
+
+    switch (previousCursorArea)
+    {
+    case CURSOR_AREA_MAP:
+        CopyToBgTilemapBufferRect_ChangePalette(1, gUnknown_02039CF0->unk24, 16, 3, 12, 7, 17);
+        var = TRUE;
+        break;
+    case CURSOR_AREA_CARD:
+        CopyToBgTilemapBufferRect_ChangePalette(1, gUnknown_02039CF0->unk24 + 336, 16, 10, 12, 7, 17);
+        var = TRUE;
+        break;
+    case CURSOR_AREA_RECORD:
+        if (!gUnknown_02039CEC->hasBattleRecord)
+        {
+            var = FALSE;
+        }
+        else
+        {
+            CopyToBgTilemapBufferRect_ChangePalette(1, gUnknown_02039CF0->unk28, 2, 10, 12, 3, 17);
+            var = TRUE;
+        }
+        break;
+    case CURSOR_AREA_CANCEL:
+        CopyToBgTilemapBufferRect_ChangePalette(1, gUnknown_08DE3350, 21, 0, 9, 2, 17);
+        var = TRUE;
+        break;
+    default:
+        var = FALSE;
+        break;
+    }
+
+    if (!var)
+    {
+        if (cursorArea == CURSOR_AREA_NOTHING || cursorArea > CURSOR_AREA_CANCEL)
+            return;
+    }
+
+    switch (cursorArea)
+    {
+    case CURSOR_AREA_MAP:
+        CopyToBgTilemapBufferRect_ChangePalette(1, gUnknown_02039CF0->unk24 + 168, 16, 3, 12, 7, 17);
+        var = TRUE;
+        break;
+    case CURSOR_AREA_CARD:
+        CopyToBgTilemapBufferRect_ChangePalette(1, gUnknown_02039CF0->unk24 + 504, 16, 10, 12, 7, 17);
+        var = TRUE;
+        break;
+    case CURSOR_AREA_RECORD:
+        if (!gUnknown_02039CEC->hasBattleRecord)
+            return;
+
+        CopyToBgTilemapBufferRect_ChangePalette(1, gUnknown_02039CF0->unk28 + 72, 2, 10, 12, 3, 17);
+        var = TRUE;
+        break;
+    case CURSOR_AREA_CANCEL:
+        CopyToBgTilemapBufferRect_ChangePalette(1, gUnknown_08DE3374, 21, 0, 9, 2, 17);
+        var = TRUE;
+        break;
+    default:
+        var = FALSE;
+        break;
+    }
+
+    if (!var)
+    {
+        asm("":::"r4");
+        if (previousCursorArea == CURSOR_AREA_NOTHING || previousCursorArea > CURSOR_AREA_CANCEL)
+            return;
+    }
+
+    CopyBgTilemapBufferToVram(1);
+}
+
+void sub_80C629C(void)
+{
+    CopyToBgTilemapBuffer(1, gUnknown_08DE3060, 0, 0);
+    sub_80C6104(gUnknown_02039CEC->cursorArea, gUnknown_02039CEC->previousCursorArea);
+    sub_80C5F58(TRUE, gUnknown_02039CEC->unkE);
+    ShowAndPrintWindows();
+    CopyBgTilemapBufferToVram(1);
+}
+
+void LoadCursorAndSymbolSprites(void)
+{
+    u8 spriteId;
+    u8 i = 0;
+
+    FreeAllSpritePalettes();
+    ResetAffineAnimData();
+    LoadSpritePalettes(gUnknown_085714E4);
+    LoadCompressedSpriteSheet(&gUnknown_085714BC[0]);
+    LoadCompressedSpriteSheet(&gUnknown_085714BC[2]);
+    spriteId = CreateSprite(&gUnknown_085715B4, gUnknown_02039CEC->cursorX, gUnknown_02039CEC->cursorY, 0);
+    gUnknown_02039CF0->cursorSprite = &gSprites[spriteId];
+    gUnknown_02039CF0->cursorSprite->oam.priority = 0;
+
+    for (i = 0; i < NUM_FRONTIER_FACILITIES; i++)
+    {
+        if (gUnknown_02039CEC->facilitySymbols[i] != 0)
+        {
+            struct SpriteTemplate sprite = gUnknown_085715E4;
+
+            sprite.paletteTag += gUnknown_02039CEC->facilitySymbols[i] - 1;
+            spriteId = CreateSprite(&sprite, gUnknown_08571454[i + CURSOR_AREA_SYMBOL - 1].xStart + 8, gUnknown_08571454[i + CURSOR_AREA_SYMBOL - 1].yStart + 6, i + 1);
+            gUnknown_02039CF0->symbolSprites[i] = &gSprites[spriteId];
+            gUnknown_02039CF0->symbolSprites[i]->oam.priority = 2;
+            StartSpriteAnim(gUnknown_02039CF0->symbolSprites[i], i);
+        }
+    }
+}
+
+void FreeCursorAndSymbolSprites(void)
+{
+    u8 i = 0;
+
+    DestroySprite(gUnknown_02039CF0->cursorSprite);
+    gUnknown_02039CF0->cursorSprite = NULL;
+    for (i = 0; i < NUM_FRONTIER_FACILITIES; i++)
+    {
+        if (gUnknown_02039CF0->symbolSprites[i] != NULL)
+        {
+            DestroySprite(gUnknown_02039CF0->symbolSprites[i]);
+            gUnknown_02039CF0->symbolSprites[i] = NULL;
+        }
+    }
+    FreeAllSpritePalettes();
+    FreeSpriteTilesByTag(2);
+    FreeSpriteTilesByTag(0);
+}
+
+void nullsub_39(void)
+{
+
+}
+
+// Frontier Map code.
+/*
+void ShowFrontierMap(void (*callback)(void));
+{
+
 }
+*/
diff --git a/src/start_menu.c b/src/start_menu.c
index 6b4b0e775..5c7e5365d 100644
--- a/src/start_menu.c
+++ b/src/start_menu.c
@@ -10,6 +10,7 @@
 #include "bg.h"
 #include "field_effect.h"
 #include "party_menu.h"
+#include "frontier_pass.h"
 #include "task.h"
 #include "overworld.h"
 #include "link.h"
@@ -92,8 +93,6 @@ extern void sub_808B864(void);
 extern void CB2_Pokedex(void);
 extern void PlayRainSoundEffect(void);
 extern void CB2_PokeNav(void);
-extern void ShowPlayerTrainerCard(void (*)(void));
-extern void sub_80C51C4(void (*)(void));
 extern void ScriptUnfreezeEventObjects(void);
 extern void sub_81A9EC8(void);
 extern void save_serialize_map(void);
@@ -678,7 +677,7 @@ static bool8 StartMenuPlayerNameCallback(void)
         if (is_c1_link_related_active() || InUnionRoom())
             ShowPlayerTrainerCard(CB2_ReturnToFieldWithOpenMenu); // Display trainer card
         else if (FlagGet(FLAG_SYS_FRONTIER_PASS))
-            sub_80C51C4(CB2_ReturnToFieldWithOpenMenu); // Display frontier pass
+            ShowFrontierPass(CB2_ReturnToFieldWithOpenMenu); // Display frontier pass
         else
             ShowPlayerTrainerCard(CB2_ReturnToFieldWithOpenMenu); // Display trainer card
 
diff --git a/src/trainer_card.c b/src/trainer_card.c
index cde15ae34..e4b9c5edf 100755
--- a/src/trainer_card.c
+++ b/src/trainer_card.c
@@ -8,6 +8,7 @@
 #include "link.h"
 #include "bg.h"
 #include "sound.h"
+#include "frontier_pass.h"
 #include "overworld.h"
 #include "menu.h"
 #include "text.h"
@@ -90,7 +91,6 @@ struct TrainerCardData
 
 //external functions
 extern u8 sub_80D30A0(u16);
-extern void sub_80C5868(void);
 
 // EWRAM
 EWRAM_DATA static struct TrainerCardData *sData = NULL;
@@ -1754,7 +1754,7 @@ void ShowPlayerTrainerCard(void (*callback)(void))
 {
     sData = AllocZeroed(sizeof(*sData));
     sData->callback2 = callback;
-    if (callback == sub_80C5868)
+    if (callback == CB2_ReshowFrontierPass)
         sData->var_52C = 0x7FFF;
     else
         sData->var_52C = 0;