Merge pull request #376 from drifloony/reset_rtc_screen

decompile reset_rtc_screen

3 files changed, 497 insertions, 1301 deletions

diff --git a/asm/reset_rtc_screen.s b/asm/reset_rtc_screen.s
deleted file mode 100644
index 2fbc559c8..000000000
--- a/asm/reset_rtc_screen.s
+++ /dev/null
@@ -1,1300 +0,0 @@
-	.include "constants/gba_constants.inc"
-	.include "constants/species_constants.inc"
-	.include "asm/macros.inc"
-
-	.syntax unified
-
-	.text
-
-	thumb_func_start SpriteCB_ResetRtcCusor0
-SpriteCB_ResetRtcCusor0: @ 806A480
-	push {lr}
-	adds r3, r0, 0
-	ldr r2, _0806A4B0 @ =gTasks
-	movs r0, 0x2E
-	ldrsh r1, [r3, r0]
-	lsls r0, r1, 2
-	adds r0, r1
-	lsls r0, 3
-	adds r0, r2
-	movs r2, 0xC
-	ldrsh r1, [r0, r2]
-	movs r2, 0x30
-	ldrsh r0, [r3, r2]
-	cmp r1, r0
-	beq _0806A596
-	strh r1, [r3, 0x30]
-	subs r0, r1, 0x1
-	cmp r0, 0x5
-	bhi _0806A596
-	lsls r0, 2
-	ldr r1, _0806A4B4 @ =_0806A4B8
-	adds r0, r1
-	ldr r0, [r0]
-	mov pc, r0
-	.align 2, 0
-_0806A4B0: .4byte gTasks
-_0806A4B4: .4byte _0806A4B8
-	.align 2, 0
-_0806A4B8:
-	.4byte _0806A4D0
-	.4byte _0806A4F4
-	.4byte _0806A518
-	.4byte _0806A53C
-	.4byte _0806A566
-	.4byte _0806A590
-_0806A4D0:
-	adds r2, r3, 0
-	adds r2, 0x3E
-	ldrb r1, [r2]
-	movs r0, 0x5
-	negs r0, r0
-	ands r0, r1
-	strb r0, [r2]
-	adds r1, r3, 0
-	adds r1, 0x2A
-	movs r0, 0x1
-	strb r0, [r1]
-	subs r2, 0x12
-	ldrb r1, [r2]
-	subs r0, 0x41
-	ands r0, r1
-	strb r0, [r2]
-	movs r0, 0x35
-	b _0806A55E
-_0806A4F4:
-	adds r2, r3, 0
-	adds r2, 0x3E
-	ldrb r1, [r2]
-	movs r0, 0x5
-	negs r0, r0
-	ands r0, r1
-	strb r0, [r2]
-	adds r1, r3, 0
-	adds r1, 0x2A
-	movs r0, 0x1
-	strb r0, [r1]
-	subs r2, 0x12
-	ldrb r1, [r2]
-	subs r0, 0x41
-	ands r0, r1
-	strb r0, [r2]
-	movs r0, 0x56
-	b _0806A55E
-_0806A518:
-	adds r2, r3, 0
-	adds r2, 0x3E
-	ldrb r1, [r2]
-	movs r0, 0x5
-	negs r0, r0
-	ands r0, r1
-	strb r0, [r2]
-	adds r1, r3, 0
-	adds r1, 0x2A
-	movs r0, 0x1
-	strb r0, [r1]
-	subs r2, 0x12
-	ldrb r1, [r2]
-	subs r0, 0x41
-	ands r0, r1
-	strb r0, [r2]
-	movs r0, 0x6B
-	b _0806A55E
-_0806A53C:
-	adds r2, r3, 0
-	adds r2, 0x3E
-	ldrb r1, [r2]
-	movs r0, 0x5
-	negs r0, r0
-	ands r0, r1
-	strb r0, [r2]
-	adds r1, r3, 0
-	adds r1, 0x2A
-	movs r0, 0x1
-	strb r0, [r1]
-	subs r2, 0x12
-	ldrb r1, [r2]
-	subs r0, 0x41
-	ands r0, r1
-	strb r0, [r2]
-	movs r0, 0x80
-_0806A55E:
-	strh r0, [r3, 0x20]
-	movs r0, 0x44
-	strh r0, [r3, 0x22]
-	b _0806A596
-_0806A566:
-	adds r2, r3, 0
-	adds r2, 0x3E
-	ldrb r1, [r2]
-	movs r0, 0x5
-	negs r0, r0
-	ands r0, r1
-	strb r0, [r2]
-	adds r1, r3, 0
-	adds r1, 0x2A
-	movs r0, 0x2
-	strb r0, [r1]
-	subs r2, 0x12
-	ldrb r1, [r2]
-	subs r0, 0x42
-	ands r0, r1
-	strb r0, [r2]
-	movs r0, 0x9B
-	strh r0, [r3, 0x20]
-	movs r0, 0x50
-	strh r0, [r3, 0x22]
-	b _0806A596
-_0806A590:
-	adds r0, r3, 0
-	bl DestroySprite
-_0806A596:
-	pop {r0}
-	bx r0
-	thumb_func_end SpriteCB_ResetRtcCusor0
-
-	thumb_func_start SpriteCB_ResetRtcCusor1
-SpriteCB_ResetRtcCusor1: @ 806A59C
-	push {lr}
-	adds r3, r0, 0
-	ldr r2, _0806A5CC @ =gTasks
-	movs r0, 0x2E
-	ldrsh r1, [r3, r0]
-	lsls r0, r1, 2
-	adds r0, r1
-	lsls r0, 3
-	adds r0, r2
-	movs r2, 0xC
-	ldrsh r1, [r0, r2]
-	movs r2, 0x30
-	ldrsh r0, [r3, r2]
-	cmp r1, r0
-	beq _0806A696
-	strh r1, [r3, 0x30]
-	subs r0, r1, 0x1
-	cmp r0, 0x5
-	bhi _0806A696
-	lsls r0, 2
-	ldr r1, _0806A5D0 @ =_0806A5D4
-	adds r0, r1
-	ldr r0, [r0]
-	mov pc, r0
-	.align 2, 0
-_0806A5CC: .4byte gTasks
-_0806A5D0: .4byte _0806A5D4
-	.align 2, 0
-_0806A5D4:
-	.4byte _0806A5EC
-	.4byte _0806A610
-	.4byte _0806A634
-	.4byte _0806A658
-	.4byte _0806A682
-	.4byte _0806A690
-_0806A5EC:
-	adds r2, r3, 0
-	adds r2, 0x3E
-	ldrb r1, [r2]
-	movs r0, 0x5
-	negs r0, r0
-	ands r0, r1
-	strb r0, [r2]
-	adds r1, r3, 0
-	adds r1, 0x2A
-	movs r0, 0
-	strb r0, [r1]
-	subs r2, 0x12
-	ldrb r1, [r2]
-	subs r0, 0x40
-	ands r0, r1
-	strb r0, [r2]
-	movs r0, 0x35
-	b _0806A67A
-_0806A610:
-	adds r2, r3, 0
-	adds r2, 0x3E
-	ldrb r1, [r2]
-	movs r0, 0x5
-	negs r0, r0
-	ands r0, r1
-	strb r0, [r2]
-	adds r1, r3, 0
-	adds r1, 0x2A
-	movs r0, 0
-	strb r0, [r1]
-	subs r2, 0x12
-	ldrb r1, [r2]
-	subs r0, 0x40
-	ands r0, r1
-	strb r0, [r2]
-	movs r0, 0x56
-	b _0806A67A
-_0806A634:
-	adds r2, r3, 0
-	adds r2, 0x3E
-	ldrb r1, [r2]
-	movs r0, 0x5
-	negs r0, r0
-	ands r0, r1
-	strb r0, [r2]
-	adds r1, r3, 0
-	adds r1, 0x2A
-	movs r0, 0
-	strb r0, [r1]
-	subs r2, 0x12
-	ldrb r1, [r2]
-	subs r0, 0x40
-	ands r0, r1
-	strb r0, [r2]
-	movs r0, 0x6B
-	b _0806A67A
-_0806A658:
-	adds r2, r3, 0
-	adds r2, 0x3E
-	ldrb r1, [r2]
-	movs r0, 0x5
-	negs r0, r0
-	ands r0, r1
-	strb r0, [r2]
-	adds r1, r3, 0
-	adds r1, 0x2A
-	movs r0, 0
-	strb r0, [r1]
-	subs r2, 0x12
-	ldrb r1, [r2]
-	subs r0, 0x40
-	ands r0, r1
-	strb r0, [r2]
-	movs r0, 0x80
-_0806A67A:
-	strh r0, [r3, 0x20]
-	movs r0, 0x5C
-	strh r0, [r3, 0x22]
-	b _0806A696
-_0806A682:
-	adds r0, r3, 0
-	adds r0, 0x3E
-	ldrb r1, [r0]
-	movs r2, 0x4
-	orrs r1, r2
-	strb r1, [r0]
-	b _0806A696
-_0806A690:
-	adds r0, r3, 0
-	bl DestroySprite
-_0806A696:
-	pop {r0}
-	bx r0
-	thumb_func_end SpriteCB_ResetRtcCusor1
-
-	thumb_func_start ResetRtcScreen_CreateCursor
-ResetRtcScreen_CreateCursor: @ 806A69C
-	push {r4-r6,lr}
-	mov r6, r8
-	push {r6}
-	adds r5, r0, 0
-	lsls r5, 24
-	lsrs r5, 24
-	ldr r0, _0806A70C @ =gUnknown_083764BC
-	bl LoadSpritePalette
-	ldr r0, _0806A710 @ =gSpriteTemplate_83764E8
-	mov r8, r0
-	movs r1, 0x35
-	movs r2, 0x44
-	movs r3, 0
-	bl CreateSpriteAtEnd
-	lsls r0, 24
-	lsrs r1, r0, 24
-	ldr r6, _0806A714 @ =gSprites
-	lsls r0, r1, 4
-	adds r0, r1
-	lsls r0, 2
-	adds r4, r6, 0
-	adds r4, 0x1C
-	adds r2, r0, r4
-	ldr r1, _0806A718 @ =SpriteCB_ResetRtcCusor0
-	str r1, [r2]
-	adds r0, r6
-	strh r5, [r0, 0x2E]
-	ldr r1, _0806A71C @ =0x0000ffff
-	strh r1, [r0, 0x30]
-	mov r0, r8
-	movs r1, 0x35
-	movs r2, 0x44
-	movs r3, 0
-	bl CreateSpriteAtEnd
-	lsls r0, 24
-	lsrs r1, r0, 24
-	lsls r0, r1, 4
-	adds r0, r1
-	lsls r0, 2
-	adds r4, r0, r4
-	ldr r1, _0806A720 @ =SpriteCB_ResetRtcCusor1
-	str r1, [r4]
-	adds r0, r6
-	strh r5, [r0, 0x2E]
-	movs r1, 0x1
-	negs r1, r1
-	strh r1, [r0, 0x30]
-	pop {r3}
-	mov r8, r3
-	pop {r4-r6}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0806A70C: .4byte gUnknown_083764BC
-_0806A710: .4byte gSpriteTemplate_83764E8
-_0806A714: .4byte gSprites
-_0806A718: .4byte SpriteCB_ResetRtcCusor0
-_0806A71C: .4byte 0x0000ffff
-_0806A720: .4byte SpriteCB_ResetRtcCusor1
-	thumb_func_end ResetRtcScreen_CreateCursor
-
-	thumb_func_start ResetRtcScreen_FreeCursorPalette
-ResetRtcScreen_FreeCursorPalette: @ 806A724
-	push {lr}
-	ldr r0, _0806A734 @ =gUnknown_083764BC
-	ldrh r0, [r0, 0x4]
-	bl FreeSpritePaletteByTag
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0806A734: .4byte gUnknown_083764BC
-	thumb_func_end ResetRtcScreen_FreeCursorPalette
-
-	thumb_func_start ResetRtcScreen_HideChooseTimeWindow
-ResetRtcScreen_HideChooseTimeWindow: @ 806A738
-	push {lr}
-	movs r0, 0x3
-	movs r1, 0x8
-	movs r2, 0x19
-	movs r3, 0xB
-	bl MenuZeroFillWindowRect
-	pop {r0}
-	bx r0
-	thumb_func_end ResetRtcScreen_HideChooseTimeWindow
-
-	thumb_func_start ResetRtcScreen_PrintTime
-ResetRtcScreen_PrintTime: @ 806A74C
-	push {r4-r7,lr}
-	mov r7, r10
-	mov r6, r9
-	mov r5, r8
-	push {r5-r7}
-	sub sp, 0x4
-	mov r10, r0
-	adds r0, r2, 0
-	adds r4, r3, 0
-	ldr r6, [sp, 0x24]
-	ldr r2, [sp, 0x28]
-	mov r9, r2
-	mov r2, r10
-	lsls r2, 24
-	lsrs r2, 24
-	mov r10, r2
-	lsls r1, 24
-	lsrs r1, 24
-	str r1, [sp]
-	lsls r0, 16
-	lsrs r0, 16
-	lsls r4, 24
-	lsrs r4, 24
-	lsls r6, 24
-	lsrs r6, 24
-	mov r1, r9
-	lsls r1, 24
-	lsrs r1, 24
-	mov r9, r1
-	ldr r7, _0806A83C @ =gStringVar4
-	ldr r1, _0806A840 @ =0x00002710
-	bl __umodsi3
-	adds r5, r0, 0
-	lsls r5, 16
-	lsrs r5, 16
-	adds r0, r4, 0
-	movs r1, 0x18
-	bl __umodsi3
-	mov r8, r0
-	mov r2, r8
-	lsls r2, 24
-	lsrs r2, 24
-	mov r8, r2
-	adds r0, r6, 0
-	movs r1, 0x3C
-	bl __umodsi3
-	adds r6, r0, 0
-	lsls r6, 24
-	lsrs r6, 24
-	mov r0, r9
-	movs r1, 0x3C
-	bl __umodsi3
-	mov r9, r0
-	lsls r0, 24
-	lsrs r0, 24
-	mov r9, r0
-	ldr r4, _0806A844 @ =gStringVar1
-	adds r0, r4, 0
-	adds r1, r5, 0
-	movs r2, 0x18
-	movs r3, 0x1
-	bl sub_8072C44
-	adds r0, r7, 0
-	adds r1, r4, 0
-	bl StringCopy
-	adds r7, r0, 0
-	ldr r1, _0806A848 @ =gOtherText_Day
-	bl StringCopy
-	adds r7, r0, 0
-	adds r0, r4, 0
-	mov r1, r8
-	movs r2, 0x12
-	movs r3, 0x1
-	bl sub_8072C44
-	adds r0, r7, 0
-	adds r1, r4, 0
-	bl StringCopy
-	adds r7, r0, 0
-	ldr r4, _0806A84C @ =gUnknown_08376500
-	adds r1, r4, 0
-	bl StringCopy
-	adds r7, r0, 0
-	adds r1, r6, 0
-	movs r2, 0x2
-	movs r3, 0x2
-	bl ConvertIntToDecimalStringN
-	adds r7, r0, 0
-	adds r1, r4, 0
-	bl StringCopy
-	adds r7, r0, 0
-	mov r1, r9
-	movs r2, 0x2
-	movs r3, 0x2
-	bl ConvertIntToDecimalStringN
-	ldr r0, _0806A83C @ =gStringVar4
-	mov r1, r10
-	ldr r2, [sp]
-	bl MenuPrint
-	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
-_0806A83C: .4byte gStringVar4
-_0806A840: .4byte 0x00002710
-_0806A844: .4byte gStringVar1
-_0806A848: .4byte gOtherText_Day
-_0806A84C: .4byte gUnknown_08376500
-	thumb_func_end ResetRtcScreen_PrintTime
-
-	thumb_func_start ResetRtcScreen_ShowChooseTimeWindow
-ResetRtcScreen_ShowChooseTimeWindow: @ 806A850
-	push {r4-r6,lr}
-	mov r6, r8
-	push {r6}
-	sub sp, 0x8
-	adds r6, r0, 0
-	mov r8, r1
-	adds r4, r2, 0
-	adds r5, r3, 0
-	lsls r6, 16
-	lsrs r6, 16
-	mov r0, r8
-	lsls r0, 24
-	lsrs r0, 24
-	mov r8, r0
-	lsls r4, 24
-	lsrs r4, 24
-	lsls r5, 24
-	lsrs r5, 24
-	movs r0, 0x3
-	movs r1, 0x8
-	movs r2, 0x19
-	movs r3, 0xB
-	bl MenuDrawTextWindow
-	ldr r0, _0806A8A8 @ =gOtherText_OK
-	movs r1, 0x14
-	movs r2, 0x9
-	bl MenuPrint
-	str r4, [sp]
-	str r5, [sp, 0x4]
-	movs r0, 0x4
-	movs r1, 0x9
-	adds r2, r6, 0
-	mov r3, r8
-	bl ResetRtcScreen_PrintTime
-	add sp, 0x8
-	pop {r3}
-	mov r8, r3
-	pop {r4-r6}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0806A8A8: .4byte gOtherText_OK
-	thumb_func_end ResetRtcScreen_ShowChooseTimeWindow
-
-	thumb_func_start ResetRtcScreen_MoveTimeUpDown
-ResetRtcScreen_MoveTimeUpDown: @ 806A8AC
-	push {r4,r5,lr}
-	adds r4, r0, 0
-	adds r5, r1, 0
-	lsls r3, 16
-	lsrs r3, 16
-	adds r1, r3, 0
-	movs r0, 0x80
-	ands r0, r3
-	cmp r0, 0
-	beq _0806A8C6
-	ldrh r0, [r4]
-	subs r0, 0x1
-	b _0806A8E0
-_0806A8C6:
-	movs r0, 0x40
-	ands r0, r3
-	cmp r0, 0
-	beq _0806A8D4
-	ldrh r0, [r4]
-	adds r0, 0x1
-	b _0806A8FE
-_0806A8D4:
-	movs r0, 0x20
-	ands r0, r3
-	cmp r0, 0
-	beq _0806A8EE
-	ldrh r0, [r4]
-	subs r0, 0xA
-_0806A8E0:
-	strh r0, [r4]
-	movs r1, 0
-	ldrsh r0, [r4, r1]
-	cmp r0, r5
-	bge _0806A90A
-	strh r2, [r4]
-	b _0806A90A
-_0806A8EE:
-	movs r0, 0x10
-	ands r1, r0
-	cmp r1, 0
-	bne _0806A8FA
-	movs r0, 0
-	b _0806A90C
-_0806A8FA:
-	ldrh r0, [r4]
-	adds r0, 0xA
-_0806A8FE:
-	strh r0, [r4]
-	movs r1, 0
-	ldrsh r0, [r4, r1]
-	cmp r0, r2
-	ble _0806A90A
-	strh r5, [r4]
-_0806A90A:
-	movs r0, 0x1
-_0806A90C:
-	pop {r4,r5}
-	pop {r1}
-	bx r1
-	thumb_func_end ResetRtcScreen_MoveTimeUpDown
-
-	thumb_func_start Task_ResetRtc_3
-Task_ResetRtc_3: @ 806A914
-	lsls r0, 24
-	lsrs r0, 24
-	ldr r2, _0806A928 @ =gTasks
-	lsls r1, r0, 2
-	adds r1, r0
-	lsls r1, 3
-	adds r1, r2
-	movs r0, 0x1
-	strh r0, [r1, 0x8]
-	bx lr
-	.align 2, 0
-_0806A928: .4byte gTasks
-	thumb_func_end Task_ResetRtc_3
-
-	thumb_func_start Task_ResetRtc_2
-Task_ResetRtc_2: @ 806A92C
-	push {r4,lr}
-	adds r4, r0, 0
-	lsls r4, 24
-	lsrs r4, 24
-	bl ResetRtcScreen_HideChooseTimeWindow
-	bl ResetRtcScreen_FreeCursorPalette
-	ldr r1, _0806A950 @ =gTasks
-	lsls r0, r4, 2
-	adds r0, r4
-	lsls r0, 3
-	adds r0, r1
-	ldr r1, _0806A954 @ =Task_ResetRtc_3
-	str r1, [r0]
-	pop {r4}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0806A950: .4byte gTasks
-_0806A954: .4byte Task_ResetRtc_3
-	thumb_func_end Task_ResetRtc_2
-
-	thumb_func_start Task_ResetRtc_1
-Task_ResetRtc_1: @ 806A958
-	push {r4-r7,lr}
-	mov r7, r8
-	push {r7}
-	sub sp, 0x8
-	lsls r0, 24
-	lsrs r6, r0, 24
-	lsls r0, r6, 2
-	adds r0, r6
-	lsls r7, r0, 3
-	ldr r0, _0806A99C @ =gTasks + 0x8
-	mov r8, r0
-	adds r5, r7, r0
-	ldrb r4, [r5, 0x4]
-	lsls r0, r4, 1
-	adds r0, r4
-	lsls r0, 2
-	ldr r1, _0806A9A0 @ =gUnknown_08376420 - 0xC
-	adds r2, r0, r1
-	ldr r1, _0806A9A4 @ =gMain
-	ldrh r3, [r1, 0x2E]
-	movs r0, 0x2
-	ands r0, r3
-	mov r12, r1
-	cmp r0, 0
-	beq _0806A9AC
-	mov r0, r8
-	subs r0, 0x8
-	adds r0, r7, r0
-	ldr r1, _0806A9A8 @ =Task_ResetRtc_2
-	str r1, [r0]
-	movs r0, 0
-	strh r0, [r5, 0x2]
-	movs r0, 0x6
-	b _0806A9CC
-	.align 2, 0
-_0806A99C: .4byte gTasks + 0x8
-_0806A9A0: .4byte gUnknown_08376420 - 0xC
-_0806A9A4: .4byte gMain
-_0806A9A8: .4byte Task_ResetRtc_2
-_0806A9AC:
-	movs r0, 0x10
-	ands r0, r3
-	cmp r0, 0
-	beq _0806A9BA
-	ldrb r0, [r2, 0x7]
-	cmp r0, 0
-	bne _0806A9CC
-_0806A9BA:
-	mov r3, r12
-	ldrh r1, [r3, 0x2E]
-	movs r0, 0x20
-	ands r0, r1
-	cmp r0, 0
-	beq _0806A9D6
-	ldrb r0, [r2, 0x6]
-	cmp r0, 0
-	beq _0806A9D6
-_0806A9CC:
-	strh r0, [r5, 0x4]
-	movs r0, 0x5
-	bl PlaySE
-	b _0806AA58
-_0806A9D6:
-	cmp r4, 0x5
-	bne _0806AA24
-	mov r0, r12
-	ldrh r1, [r0, 0x2E]
-	movs r4, 0x1
-	adds r0, r4, 0
-	ands r0, r1
-	cmp r0, 0
-	beq _0806AA58
-	ldr r1, _0806AA18 @ =gLocalTime
-	ldrh r0, [r5, 0x6]
-	strh r0, [r1]
-	ldrh r0, [r5, 0x8]
-	strb r0, [r1, 0x2]
-	ldrh r0, [r5, 0xA]
-	strb r0, [r1, 0x3]
-	ldrh r0, [r5, 0xC]
-	strb r0, [r1, 0x4]
-	movs r0, 0x5
-	bl PlaySE
-	ldr r1, _0806AA1C @ =gTasks
-	lsls r0, r6, 2
-	adds r0, r6
-	lsls r0, 3
-	adds r0, r1
-	ldr r1, _0806AA20 @ =Task_ResetRtc_2
-	str r1, [r0]
-	strh r4, [r5, 0x2]
-	movs r0, 0x6
-	strh r0, [r5, 0x4]
-	b _0806AA58
-	.align 2, 0
-_0806AA18: .4byte gLocalTime
-_0806AA1C: .4byte gTasks
-_0806AA20: .4byte Task_ResetRtc_2
-_0806AA24:
-	ldrb r0, [r2]
-	lsls r0, 1
-	adds r0, r5, r0
-	ldrh r1, [r2, 0x2]
-	ldrh r2, [r2, 0x4]
-	mov r3, r12
-	ldrh r4, [r3, 0x30]
-	movs r3, 0xC0
-	ands r3, r4
-	bl ResetRtcScreen_MoveTimeUpDown
-	cmp r0, 0
-	beq _0806AA58
-	movs r0, 0x5
-	bl PlaySE
-	ldrh r2, [r5, 0x6]
-	ldrb r3, [r5, 0x8]
-	ldrb r0, [r5, 0xA]
-	str r0, [sp]
-	ldrb r0, [r5, 0xC]
-	str r0, [sp, 0x4]
-	movs r0, 0x4
-	movs r1, 0x9
-	bl ResetRtcScreen_PrintTime
-_0806AA58:
-	add sp, 0x8
-	pop {r3}
-	mov r8, r3
-	pop {r4-r7}
-	pop {r0}
-	bx r0
-	thumb_func_end Task_ResetRtc_1
-
-	thumb_func_start Task_ResetRtc_0
-Task_ResetRtc_0: @ 806AA64
-	push {r4-r6,lr}
-	mov r6, r8
-	push {r6}
-	adds r5, r0, 0
-	lsls r5, 24
-	lsrs r5, 24
-	lsls r6, r5, 2
-	adds r6, r5
-	lsls r6, 3
-	ldr r0, _0806AACC @ =gTasks + 0x8
-	mov r8, r0
-	adds r4, r6, r0
-	movs r0, 0
-	strh r0, [r4]
-	ldr r3, _0806AAD0 @ =gLocalTime
-	ldrh r0, [r3]
-	strh r0, [r4, 0x6]
-	movs r1, 0x2
-	ldrsb r1, [r3, r1]
-	strh r1, [r4, 0x8]
-	movs r2, 0x3
-	ldrsb r2, [r3, r2]
-	strh r2, [r4, 0xA]
-	ldrb r3, [r3, 0x4]
-	lsls r3, 24
-	asrs r3, 24
-	strh r3, [r4, 0xC]
-	ldrh r0, [r4, 0x6]
-	lsls r1, 24
-	lsrs r1, 24
-	lsls r2, 24
-	lsrs r2, 24
-	lsls r3, 24
-	lsrs r3, 24
-	bl ResetRtcScreen_ShowChooseTimeWindow
-	adds r0, r5, 0
-	bl ResetRtcScreen_CreateCursor
-	movs r0, 0x2
-	strh r0, [r4, 0x4]
-	movs r0, 0x8
-	negs r0, r0
-	add r8, r0
-	add r6, r8
-	ldr r0, _0806AAD4 @ =Task_ResetRtc_1
-	str r0, [r6]
-	pop {r3}
-	mov r8, r3
-	pop {r4-r6}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0806AACC: .4byte gTasks + 0x8
-_0806AAD0: .4byte gLocalTime
-_0806AAD4: .4byte Task_ResetRtc_1
-	thumb_func_end Task_ResetRtc_0
-
-	thumb_func_start CB2_InitResetRtcScreen
-CB2_InitResetRtcScreen: @ 806AAD8
-	push {r4-r7,lr}
-	sub sp, 0x4
-	movs r0, 0x80
-	lsls r0, 19
-	movs r4, 0
-	strh r4, [r0]
-	movs r0, 0
-	bl SetVBlankCallback
-	movs r2, 0xA0
-	lsls r2, 19
-	mov r0, sp
-	strh r4, [r0]
-	ldr r1, _0806AB94 @ =0x040000d4
-	str r0, [r1]
-	str r2, [r1, 0x4]
-	ldr r0, _0806AB98 @ =0x81000200
-	str r0, [r1, 0x8]
-	ldr r0, [r1, 0x8]
-	movs r2, 0xC0
-	lsls r2, 19
-	movs r3, 0xC0
-	lsls r3, 9
-	mov r4, sp
-	movs r6, 0
-	movs r5, 0x80
-	lsls r5, 5
-	ldr r7, _0806AB9C @ =0x81000800
-	movs r0, 0x81
-	lsls r0, 24
-	mov r12, r0
-_0806AB16:
-	strh r6, [r4]
-	mov r0, sp
-	str r0, [r1]
-	str r2, [r1, 0x4]
-	str r7, [r1, 0x8]
-	ldr r0, [r1, 0x8]
-	adds r2, r5
-	subs r3, r5
-	cmp r3, r5
-	bhi _0806AB16
-	strh r6, [r4]
-	mov r0, sp
-	str r0, [r1]
-	str r2, [r1, 0x4]
-	lsrs r0, r3, 1
-	mov r2, r12
-	orrs r0, r2
-	str r0, [r1, 0x8]
-	ldr r0, [r1, 0x8]
-	movs r0, 0
-	movs r1, 0x80
-	bl ResetOamRange
-	bl LoadOam
-	bl remove_some_task
-	bl dp12_8087EA4
-	bl ResetSpriteData
-	bl ResetTasks
-	bl ResetPaletteFade
-	ldr r4, _0806ABA0 @ =gWindowConfig_81E6CE4
-	adds r0, r4, 0
-	bl SetUpWindowConfig
-	adds r0, r4, 0
-	bl InitMenuWindow
-	movs r1, 0x80
-	lsls r1, 19
-	movs r2, 0x88
-	lsls r2, 5
-	adds r0, r2, 0
-	strh r0, [r1]
-	ldr r0, _0806ABA4 @ =VBlankCB_ResetRtcScreen
-	bl SetVBlankCallback
-	ldr r0, _0806ABA8 @ =CB2_ResetRtcScreen
-	bl SetMainCallback2
-	ldr r0, _0806ABAC @ =Task_ResetRtcScreen
-	movs r1, 0x50
-	bl CreateTask
-	add sp, 0x4
-	pop {r4-r7}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0806AB94: .4byte 0x040000d4
-_0806AB98: .4byte 0x81000200
-_0806AB9C: .4byte 0x81000800
-_0806ABA0: .4byte gWindowConfig_81E6CE4
-_0806ABA4: .4byte VBlankCB_ResetRtcScreen
-_0806ABA8: .4byte CB2_ResetRtcScreen
-_0806ABAC: .4byte Task_ResetRtcScreen
-	thumb_func_end CB2_InitResetRtcScreen
-
-	thumb_func_start CB2_ResetRtcScreen
-CB2_ResetRtcScreen: @ 806ABB0
-	push {lr}
-	bl RunTasks
-	bl AnimateSprites
-	bl BuildOamBuffer
-	bl UpdatePaletteFade
-	pop {r0}
-	bx r0
-	thumb_func_end CB2_ResetRtcScreen
-
-	thumb_func_start VBlankCB_ResetRtcScreen
-VBlankCB_ResetRtcScreen: @ 806ABC8
-	push {lr}
-	bl ProcessSpriteCopyRequests
-	bl LoadOam
-	bl TransferPlttBuffer
-	pop {r0}
-	bx r0
-	thumb_func_end VBlankCB_ResetRtcScreen
-
-	thumb_func_start ResetRtcScreen_ShowMessage
-ResetRtcScreen_ShowMessage: @ 806ABDC
-	push {r4,lr}
-	adds r4, r0, 0
-	bl MenuDisplayMessageBox
-	adds r0, r4, 0
-	movs r1, 0x2
-	movs r2, 0xF
-	bl MenuPrint
-	pop {r4}
-	pop {r0}
-	bx r0
-	thumb_func_end ResetRtcScreen_ShowMessage
-
-	thumb_func_start Task_ShowResetRtcPrompt
-Task_ShowResetRtcPrompt: @ 806ABF4
-	push {r4,r5,lr}
-	sub sp, 0x8
-	lsls r0, 24
-	lsrs r5, r0, 24
-	lsls r0, r5, 2
-	adds r0, r5
-	lsls r0, 3
-	ldr r1, _0806AC14 @ =gTasks + 0x8
-	adds r4, r0, r1
-	movs r1, 0
-	ldrsh r0, [r4, r1]
-	cmp r0, 0
-	beq _0806AC18
-	cmp r0, 0x1
-	beq _0806AC80
-	b _0806ACC4
-	.align 2, 0
-_0806AC14: .4byte gTasks + 0x8
-_0806AC18:
-	bl MenuZeroFillScreen
-	movs r0, 0
-	movs r1, 0
-	movs r2, 0x14
-	movs r3, 0xA
-	bl MenuDrawTextWindow
-	ldr r0, _0806AC98 @ =gSystemText_PresentTime
-	movs r1, 0x1
-	movs r2, 0x1
-	bl MenuPrint
-	ldr r0, _0806AC9C @ =gLocalTime
-	ldrh r2, [r0]
-	ldrb r3, [r0, 0x2]
-	ldrb r1, [r0, 0x3]
-	str r1, [sp]
-	ldrb r0, [r0, 0x4]
-	str r0, [sp, 0x4]
-	movs r0, 0x1
-	movs r1, 0x3
-	bl ResetRtcScreen_PrintTime
-	ldr r0, _0806ACA0 @ =gSystemText_PreviousTime
-	movs r1, 0x1
-	movs r2, 0x5
-	bl MenuPrint
-	ldr r1, _0806ACA4 @ =gSaveBlock2
-	adds r0, r1, 0
-	adds r0, 0xA0
-	ldrh r2, [r0]
-	adds r0, 0x2
-	ldrb r3, [r0]
-	adds r0, 0x1
-	ldrb r0, [r0]
-	str r0, [sp]
-	adds r0, r1, 0
-	adds r0, 0xA4
-	ldrb r0, [r0]
-	str r0, [sp, 0x4]
-	movs r0, 0x1
-	movs r1, 0x7
-	bl ResetRtcScreen_PrintTime
-	ldr r0, _0806ACA8 @ =gSystemText_ResetRTCPrompt
-	bl ResetRtcScreen_ShowMessage
-	ldrh r0, [r4]
-	adds r0, 0x1
-	strh r0, [r4]
-_0806AC80:
-	ldr r0, _0806ACAC @ =gMain
-	ldrh r1, [r0, 0x2E]
-	movs r0, 0x2
-	ands r0, r1
-	cmp r0, 0
-	beq _0806ACB0
-	adds r0, r5, 0
-	bl DestroyTask
-	bl DoSoftReset
-	b _0806ACC4
-	.align 2, 0
-_0806AC98: .4byte gSystemText_PresentTime
-_0806AC9C: .4byte gLocalTime
-_0806ACA0: .4byte gSystemText_PreviousTime
-_0806ACA4: .4byte gSaveBlock2
-_0806ACA8: .4byte gSystemText_ResetRTCPrompt
-_0806ACAC: .4byte gMain
-_0806ACB0:
-	movs r0, 0x1
-	ands r0, r1
-	cmp r0, 0
-	beq _0806ACC4
-	movs r0, 0x5
-	bl PlaySE
-	adds r0, r5, 0
-	bl DestroyTask
-_0806ACC4:
-	add sp, 0x8
-	pop {r4,r5}
-	pop {r0}
-	bx r0
-	thumb_func_end Task_ShowResetRtcPrompt
-
-	thumb_func_start Task_ResetRtcScreen
-Task_ResetRtcScreen: @ 806ACCC
-	push {r4,r5,lr}
-	sub sp, 0x4
-	lsls r0, 24
-	lsrs r4, r0, 24
-	lsls r0, r4, 2
-	adds r0, r4
-	lsls r0, 3
-	ldr r1, _0806ACF4 @ =gTasks + 0x8
-	adds r5, r0, r1
-	movs r1, 0
-	ldrsh r0, [r5, r1]
-	cmp r0, 0x6
-	bls _0806ACE8
-	b _0806AEC4
-_0806ACE8:
-	lsls r0, 2
-	ldr r1, _0806ACF8 @ =_0806ACFC
-	adds r0, r1
-	ldr r0, [r0]
-	mov pc, r0
-	.align 2, 0
-_0806ACF4: .4byte gTasks + 0x8
-_0806ACF8: .4byte _0806ACFC
-	.align 2, 0
-_0806ACFC:
-	.4byte _0806AD18
-	.4byte _0806AD34
-	.4byte _0806AD80
-	.4byte _0806ADD8
-	.4byte _0806AE5C
-	.4byte _0806AE8C
-	.4byte _0806AEAE
-_0806AD18:
-	movs r0, 0x1
-	negs r0, r0
-	ldr r1, _0806AD30 @ =0x0000ffff
-	str r1, [sp]
-	movs r1, 0x1
-	movs r2, 0x10
-	movs r3, 0
-	bl BeginNormalPaletteFade
-	movs r0, 0x1
-	strh r0, [r5]
-	b _0806AEC4
-	.align 2, 0
-_0806AD30: .4byte 0x0000ffff
-_0806AD34:
-	ldr r0, _0806AD5C @ =gPaletteFade
-	ldrb r1, [r0, 0x7]
-	movs r0, 0x80
-	ands r0, r1
-	cmp r0, 0
-	beq _0806AD42
-	b _0806AEC4
-_0806AD42:
-	ldr r0, _0806AD60 @ =gSaveFileStatus
-	ldrh r0, [r0]
-	cmp r0, 0
-	beq _0806AD4E
-	cmp r0, 0x2
-	bne _0806AD68
-_0806AD4E:
-	ldr r0, _0806AD64 @ =gSystemText_NoSaveFileNoTime
-	bl ResetRtcScreen_ShowMessage
-	movs r0, 0x5
-	strh r0, [r5]
-	b _0806AEC4
-	.align 2, 0
-_0806AD5C: .4byte gPaletteFade
-_0806AD60: .4byte gSaveFileStatus
-_0806AD64: .4byte gSystemText_NoSaveFileNoTime
-_0806AD68:
-	bl RtcCalcLocalTime
-	ldr r0, _0806AD7C @ =Task_ShowResetRtcPrompt
-	movs r1, 0x50
-	bl CreateTask
-	lsls r0, 24
-	lsrs r0, 24
-	strh r0, [r5, 0x2]
-	b _0806ADFC
-	.align 2, 0
-_0806AD7C: .4byte Task_ShowResetRtcPrompt
-_0806AD80:
-	ldr r2, _0806ADC4 @ =gTasks
-	movs r0, 0x2
-	ldrsh r1, [r5, r0]
-	lsls r0, r1, 2
-	adds r0, r1
-	lsls r0, 3
-	adds r0, r2
-	ldrb r0, [r0, 0x4]
-	cmp r0, 0x1
-	bne _0806AD96
-	b _0806AEC4
-_0806AD96:
-	bl MenuZeroFillScreen
-	ldr r0, _0806ADC8 @ =gSystemText_PleaseResetTime
-	bl ResetRtcScreen_ShowMessage
-	ldr r2, _0806ADCC @ =gLocalTime
-	ldr r0, _0806ADD0 @ =gSaveBlock2
-	adds r0, 0xA0
-	ldr r1, [r0, 0x4]
-	ldr r0, [r0]
-	str r0, [r2]
-	str r1, [r2, 0x4]
-	ldr r0, _0806ADD4 @ =Task_ResetRtc_0
-	movs r1, 0x50
-	bl CreateTask
-	lsls r0, 24
-	lsrs r0, 24
-	strh r0, [r5, 0x2]
-	movs r0, 0x3
-	strh r0, [r5]
-	b _0806AEC4
-	.align 2, 0
-_0806ADC4: .4byte gTasks
-_0806ADC8: .4byte gSystemText_PleaseResetTime
-_0806ADCC: .4byte gLocalTime
-_0806ADD0: .4byte gSaveBlock2
-_0806ADD4: .4byte Task_ResetRtc_0
-_0806ADD8:
-	ldr r2, _0806AE04 @ =gTasks
-	movs r0, 0x2
-	ldrsh r1, [r5, r0]
-	lsls r0, r1, 2
-	adds r0, r1
-	lsls r0, 3
-	adds r1, r0, r2
-	movs r2, 0x8
-	ldrsh r0, [r1, r2]
-	cmp r0, 0
-	beq _0806AEC4
-	movs r2, 0xA
-	ldrsh r0, [r1, r2]
-	cmp r0, 0
-	bne _0806AE08
-	ldrb r0, [r5, 0x2]
-	bl DestroyTask
-_0806ADFC:
-	movs r0, 0x2
-	strh r0, [r5]
-	b _0806AEC4
-	.align 2, 0
-_0806AE04: .4byte gTasks
-_0806AE08:
-	ldrb r0, [r5, 0x2]
-	bl DestroyTask
-	bl RtcReset
-	ldr r4, _0806AE4C @ =gLocalTime
-	movs r1, 0
-	ldrsh r0, [r4, r1]
-	movs r1, 0x2
-	ldrsb r1, [r4, r1]
-	movs r2, 0x3
-	ldrsb r2, [r4, r2]
-	movs r3, 0x4
-	ldrsb r3, [r4, r3]
-	bl RtcCalcLocalTimeOffset
-	ldr r2, _0806AE50 @ =gSaveBlock2
-	adds r2, 0xA0
-	ldr r0, [r4]
-	ldr r1, [r4, 0x4]
-	str r0, [r2]
-	str r1, [r2, 0x4]
-	ldr r0, _0806AE54 @ =0x00004040
-	ldrh r1, [r4]
-	bl VarSet
-	bl DisableResetRTC
-	ldr r0, _0806AE58 @ =gSystemText_ClockResetDataSave
-	bl ResetRtcScreen_ShowMessage
-	movs r0, 0x4
-	strh r0, [r5]
-	b _0806AEC4
-	.align 2, 0
-_0806AE4C: .4byte gLocalTime
-_0806AE50: .4byte gSaveBlock2
-_0806AE54: .4byte 0x00004040
-_0806AE58: .4byte gSystemText_ClockResetDataSave
-_0806AE5C:
-	movs r0, 0
-	bl TrySavingData
-	lsls r0, 24
-	lsrs r0, 24
-	cmp r0, 0x1
-	bne _0806AE7C
-	ldr r0, _0806AE78 @ =gSystemText_SaveCompleted
-	bl ResetRtcScreen_ShowMessage
-	movs r0, 0x49
-	bl PlaySE
-	b _0806AE88
-	.align 2, 0
-_0806AE78: .4byte gSystemText_SaveCompleted
-_0806AE7C:
-	ldr r0, _0806AECC @ =gSystemText_SaveFailed
-	bl ResetRtcScreen_ShowMessage
-	movs r0, 0x16
-	bl PlaySE
-_0806AE88:
-	movs r0, 0x5
-	strh r0, [r5]
-_0806AE8C:
-	ldr r0, _0806AED0 @ =gMain
-	ldrh r1, [r0, 0x2E]
-	movs r0, 0x1
-	ands r0, r1
-	cmp r0, 0
-	beq _0806AEC4
-	movs r0, 0x1
-	negs r0, r0
-	ldr r1, _0806AED4 @ =0x0000ffff
-	str r1, [sp]
-	movs r1, 0x1
-	movs r2, 0
-	movs r3, 0x10
-	bl BeginNormalPaletteFade
-	movs r0, 0x6
-	strh r0, [r5]
-_0806AEAE:
-	ldr r0, _0806AED8 @ =gPaletteFade
-	ldrb r1, [r0, 0x7]
-	movs r0, 0x80
-	ands r0, r1
-	cmp r0, 0
-	bne _0806AEC4
-	adds r0, r4, 0
-	bl DestroyTask
-	bl DoSoftReset
-_0806AEC4:
-	add sp, 0x4
-	pop {r4,r5}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0806AECC: .4byte gSystemText_SaveFailed
-_0806AED0: .4byte gMain
-_0806AED4: .4byte 0x0000ffff
-_0806AED8: .4byte gPaletteFade
-	thumb_func_end Task_ResetRtcScreen
-
-	.align 2, 0 @ Don't pad with nop.
diff --git a/ld_script.txt b/ld_script.txt
index 5b831800f..62864adee 100644
--- a/ld_script.txt
+++ b/ld_script.txt
@@ -109,7 +109,7 @@ SECTIONS {
         src/coord_event_weather.o(.text);
         src/field_tasks.o(.text);
         src/clock.o(.text);
-        asm/reset_rtc_screen.o(.text);
+        src/reset_rtc_screen.o(.text);
         asm/party_menu.o(.text);
         src/party_menu.o(.text);
         asm/party_menu.o(.text_8070968);
diff --git a/src/reset_rtc_screen.c b/src/reset_rtc_screen.c
new file mode 100644
index 000000000..d052992ad
--- /dev/null
+++ b/src/reset_rtc_screen.c
@@ -0,0 +1,496 @@
+#include "global.h"
+#include "event_data.h"
+#include "main.h"
+#include "menu.h"
+#include "palette.h"
+#include "rtc.h"
+#include "save.h"
+#include "sprite.h"
+#include "songs.h"
+#include "sound.h"
+#include "string_util.h"
+#include "strings.h"
+#include "strings2.h"
+#include "task.h"
+#include "text.h"
+#include "unknown_task.h"
+
+struct ResetRtcStruct
+{
+    /*0x0*/ u8 dataIndex;
+    /*0x2*/ u16 minVal;
+    /*0x4*/ u16 maxVal;
+    /*0x6*/ u8 left;
+    /*0x7*/ u8 right;
+    /*0x8*/ u8 unk8;
+};
+
+extern u16 gSaveFileStatus;
+
+extern struct ResetRtcStruct gUnknown_08376420[];
+extern struct SpritePalette gUnknown_083764BC;
+extern struct SpriteTemplate gSpriteTemplate_83764E8;
+extern u8 gUnknown_08376500[];
+
+void CB2_ResetRtcScreen(void);
+void VBlankCB_ResetRtcScreen(void);
+void Task_ResetRtcScreen(u8);
+
+void SpriteCB_ResetRtcCusor0(struct Sprite *sprite)
+{
+    int state = gTasks[sprite->data0].data[2];
+    if (state != sprite->data1)
+    {
+        sprite->data1 = state;
+        switch (state)
+        {
+        case 1:
+            sprite->invisible = FALSE;
+            sprite->animNum = 1;
+            sprite->animDelayCounter = 0;
+            sprite->pos1.x = 53;
+            sprite->pos1.y = 68;
+            break;
+        case 2:
+            sprite->invisible = FALSE;
+            sprite->animNum = 1;
+            sprite->animDelayCounter = 0;
+            sprite->pos1.x = 86;
+            sprite->pos1.y = 68;
+            break;
+        case 3:
+            sprite->invisible = FALSE;
+            sprite->animNum = 1;
+            sprite->animDelayCounter = 0;
+            sprite->pos1.x = 107;
+            sprite->pos1.y = 68;
+            break;
+        case 4:
+            sprite->invisible = FALSE;
+            sprite->animNum = 1;
+            sprite->animDelayCounter = 0;
+            sprite->pos1.x = 128;
+            sprite->pos1.y = 68;
+            break;
+        case 5:
+            sprite->invisible = FALSE;
+            sprite->animNum = 2;
+            sprite->animDelayCounter = 0;
+            sprite->pos1.x = 155;
+            sprite->pos1.y = 80;
+            break;
+        case 6:
+            DestroySprite(sprite);
+            break;
+        }
+    }
+}
+
+void SpriteCB_ResetRtcCusor1(struct Sprite *sprite)
+{
+    int state = gTasks[sprite->data0].data[2];
+    if (state != sprite->data1)
+    {
+        sprite->data1 = state;
+        switch (state)
+        {
+        case 1:
+            sprite->invisible = FALSE;
+            sprite->animNum = 0;
+            sprite->animDelayCounter = 0;
+            sprite->pos1.x = 53;
+            sprite->pos1.y = 92;
+            break;
+        case 2:
+            sprite->invisible = FALSE;
+            sprite->animNum = 0;
+            sprite->animDelayCounter = 0;
+            sprite->pos1.x = 86;
+            sprite->pos1.y = 92;
+            break;
+        case 3:
+            sprite->invisible = FALSE;
+            sprite->animNum = 0;
+            sprite->animDelayCounter = 0;
+            sprite->pos1.x = 107;
+            sprite->pos1.y = 92;
+            break;
+        case 4:
+            sprite->invisible = FALSE;
+            sprite->animNum = 0;
+            sprite->animDelayCounter = 0;
+            sprite->pos1.x = 128;
+            sprite->pos1.y = 92;
+            break;
+        case 5:
+            sprite->invisible = TRUE;
+            break;
+        case 6:
+            DestroySprite(sprite);
+            break;
+        }
+    }
+}
+
+void ResetRtcScreen_CreateCursor(u8 taskId)
+{
+    int spriteId;
+
+    LoadSpritePalette(&gUnknown_083764BC);
+
+    spriteId = CreateSpriteAtEnd(&gSpriteTemplate_83764E8, 53, 68, 0);
+    gSprites[spriteId].callback = SpriteCB_ResetRtcCusor0;
+    gSprites[spriteId].data0 = taskId;
+    gSprites[spriteId].data1 = -1;
+
+    spriteId = CreateSpriteAtEnd(&gSpriteTemplate_83764E8, 53, 68, 0);
+    gSprites[spriteId].callback = SpriteCB_ResetRtcCusor1;
+    gSprites[spriteId].data0 = taskId;
+    gSprites[spriteId].data1 = -1;
+}
+
+void ResetRtcScreen_FreeCursorPalette(void)
+{
+    FreeSpritePaletteByTag(gUnknown_083764BC.tag);
+}
+
+void ResetRtcScreen_HideChooseTimeWindow(void)
+{
+    MenuZeroFillWindowRect(3, 8, 25, 11);
+}
+
+void ResetRtcScreen_PrintTime(u8 x, u8 y, u16 days, u8 hours, u8 minutes, u8 seconds)
+{
+    u8 *dest = gStringVar4;
+    days %= 10000;
+    hours %= 24;
+    minutes %= 60;
+    seconds %= 60;
+    sub_8072C44(gStringVar1, days, 24, 1);
+    dest = StringCopy(dest, gStringVar1);
+    dest = StringCopy(dest, gOtherText_Day);
+    sub_8072C44(gStringVar1, hours, 18, 1);
+    dest = StringCopy(dest, gStringVar1);
+    dest = StringCopy(dest, gUnknown_08376500);
+    dest = ConvertIntToDecimalStringN(dest, minutes, STR_CONV_MODE_LEADING_ZEROS, 2);
+    dest = StringCopy(dest, gUnknown_08376500);
+    ConvertIntToDecimalStringN(dest, seconds, STR_CONV_MODE_LEADING_ZEROS, 2);
+    MenuPrint(gStringVar4, x, y);
+}
+
+void ResetRtcScreen_ShowChooseTimeWindow(u16 days, u8 hours, u8 minutes, u8 seconds)
+{
+    MenuDrawTextWindow(3, 8, 25, 11);
+    MenuPrint(gOtherText_OK, 20, 9);
+    ResetRtcScreen_PrintTime(4, 9, days, hours, minutes, seconds);
+}
+
+bool32 ResetRtcScreen_MoveTimeUpDown(s16 *val, int minVal, int maxVal, u16 keys)
+{
+    if (keys & DPAD_DOWN)
+    {
+        (*val)--;
+        if (*val < minVal)
+            *val = maxVal;
+    }
+    else if (keys & DPAD_UP)
+    {
+        (*val)++;
+        if (*val > maxVal)
+            *val = minVal;
+    }
+    else if (keys & DPAD_LEFT)
+    {
+        *val -= 10;
+        if (*val < minVal)
+            *val = maxVal;
+    }
+    else if (keys & DPAD_RIGHT)
+    {
+        *val += 10;
+        if (*val > maxVal)
+            *val = minVal;
+    }
+    else
+    {
+        return FALSE;
+    }
+
+    return TRUE;
+}
+
+void Task_ResetRtc_3(u8 taskId)
+{
+    gTasks[taskId].data[0] = 1;
+}
+
+void Task_ResetRtc_2(u8 taskId)
+{
+    ResetRtcScreen_HideChooseTimeWindow();
+    ResetRtcScreen_FreeCursorPalette();
+    gTasks[taskId].func = Task_ResetRtc_3;
+}
+
+void Task_ResetRtc_1(u8 taskId)
+{
+    s16 *data = gTasks[taskId].data;
+    u8 selection = data[2];
+    struct ResetRtcStruct *selectionInfo = &gUnknown_08376420[selection - 1];
+
+    if (gMain.newKeys & B_BUTTON)
+    {
+        gTasks[taskId].func = Task_ResetRtc_2;
+        data[1] = 0;
+        data[2] = 6;
+        PlaySE(SE_SELECT);
+        return;
+    }
+
+    if (gMain.newKeys & DPAD_RIGHT)
+    {
+        if (selectionInfo->right)
+        {
+            data[2] = selectionInfo->right;
+            PlaySE(SE_SELECT);
+            return;
+        }
+    }
+
+    if (gMain.newKeys & DPAD_LEFT)
+    {
+        if (selectionInfo->left)
+        {
+            data[2] = selectionInfo->left;
+            PlaySE(SE_SELECT);
+            return;
+        }
+    }
+
+    if (selection == 5)
+    {
+        if (gMain.newKeys & A_BUTTON)
+        {
+            gLocalTime.days = data[3];
+            gLocalTime.hours = data[4];
+            gLocalTime.minutes = data[5];
+            gLocalTime.seconds = data[6];
+            PlaySE(SE_SELECT);
+            gTasks[taskId].func = Task_ResetRtc_2;
+            data[1] = 1;
+            data[2] = 6;
+        }
+    }
+    else if (ResetRtcScreen_MoveTimeUpDown(&data[selectionInfo->dataIndex], selectionInfo->minVal, selectionInfo->maxVal, gMain.newAndRepeatedKeys & (DPAD_UP | DPAD_DOWN)))
+    {
+        PlaySE(SE_SELECT);
+        ResetRtcScreen_PrintTime(4, 9, data[3], data[4], data[5], data[6]);
+    }
+}
+
+void Task_ResetRtc_0(u8 taskId)
+{
+    s16 *data = gTasks[taskId].data;
+    data[0] = 0;
+    data[3] = gLocalTime.days;
+    data[4] = gLocalTime.hours;
+    data[5] = gLocalTime.minutes;
+    data[6] = gLocalTime.seconds;
+    ResetRtcScreen_ShowChooseTimeWindow(data[3], data[4], data[5], data[6]);
+    ResetRtcScreen_CreateCursor(taskId);
+    data[2] = 2;
+    gTasks[taskId].func = Task_ResetRtc_1;
+}
+
+void CB2_InitResetRtcScreen(void)
+{
+    u8 *addr;
+    u32 size;
+
+    REG_DISPCNT = 0;
+    SetVBlankCallback(NULL);
+
+    DmaClear16(3, PLTT, PLTT_SIZE);
+
+    addr = (u8 *)VRAM;
+    size = 0x18000;
+    while (1)
+    {
+        DmaFill16(3, 0, addr, 0x1000);
+        addr += 0x1000;
+        size -= 0x1000;
+        if (size <= 0x1000)
+        {
+            DmaFill16(3, 0, addr, size);
+            break;
+        }
+    }
+
+    ResetOamRange(0, 128);
+    LoadOam();
+    remove_some_task();
+    dp12_8087EA4();
+    ResetSpriteData();
+    ResetTasks();
+    ResetPaletteFade();
+    SetUpWindowConfig(&gWindowConfig_81E6CE4);
+    InitMenuWindow(&gWindowConfig_81E6CE4);
+    REG_DISPCNT = 4352;
+    SetVBlankCallback(VBlankCB_ResetRtcScreen);
+    SetMainCallback2(CB2_ResetRtcScreen);
+    CreateTask(Task_ResetRtcScreen, 80);
+}
+
+void CB2_ResetRtcScreen(void)
+{
+    RunTasks();
+    AnimateSprites();
+    BuildOamBuffer();
+    UpdatePaletteFade();
+}
+
+void VBlankCB_ResetRtcScreen(void)
+{
+    ProcessSpriteCopyRequests();
+    LoadOam();
+    TransferPlttBuffer();
+}
+
+void ResetRtcScreen_ShowMessage(const u8 *str)
+{
+    MenuDisplayMessageBox();
+    MenuPrint(str, 2, 15);
+}
+
+void Task_ShowResetRtcPrompt(u8 taskId)
+{
+    s16 *data = gTasks[taskId].data;
+
+    switch (data[0])
+    {
+    case 0:
+        MenuZeroFillScreen();
+        MenuDrawTextWindow(0, 0, 20, 10);
+        MenuPrint(gSystemText_PresentTime, 1, 1);
+        ResetRtcScreen_PrintTime(
+            1,
+            3,
+            gLocalTime.days,
+            gLocalTime.hours,
+            gLocalTime.minutes,
+            gLocalTime.seconds);
+        MenuPrint(gSystemText_PreviousTime, 1, 5);
+        ResetRtcScreen_PrintTime(
+            1,
+            7,
+            gSaveBlock2.lastBerryTreeUpdate.days,
+            gSaveBlock2.lastBerryTreeUpdate.hours,
+            gSaveBlock2.lastBerryTreeUpdate.minutes,
+            gSaveBlock2.lastBerryTreeUpdate.seconds);
+        ResetRtcScreen_ShowMessage(gSystemText_ResetRTCPrompt);
+        data[0]++;
+    case 1:
+        if (gMain.newKeys & B_BUTTON)
+        {
+            DestroyTask(taskId);
+            DoSoftReset();
+        }
+        else if (gMain.newKeys & A_BUTTON)
+        {
+            PlaySE(SE_SELECT);
+            DestroyTask(taskId);
+        }
+        break;
+    }
+}
+
+void Task_ResetRtcScreen(u8 taskId)
+{
+    s16 *data = gTasks[taskId].data;
+
+    switch (data[0])
+    {
+    case 0:
+        BeginNormalPaletteFade(0xFFFFFFFF, 1, 0x10, 0, 0xFFFF);
+        data[0] = 1;
+        break;
+    case 1:
+        if (!gPaletteFade.active)
+        {
+            if (gSaveFileStatus == 0 || gSaveFileStatus == 2)
+            {
+                ResetRtcScreen_ShowMessage(gSystemText_NoSaveFileNoTime);
+                data[0] = 5;
+            }
+            else
+            {
+                RtcCalcLocalTime();
+                data[1] = CreateTask(Task_ShowResetRtcPrompt, 80);
+                data[0] = 2;
+            }
+        }
+        break;
+    case 2:
+        if (gTasks[data[1]].isActive != TRUE)
+        {
+            MenuZeroFillScreen();
+            ResetRtcScreen_ShowMessage(gSystemText_PleaseResetTime);
+            gLocalTime = gSaveBlock2.lastBerryTreeUpdate;
+            data[1] = CreateTask(Task_ResetRtc_0, 80);
+            data[0] = 3;
+        }
+        break;
+    case 3:
+        if (gTasks[data[1]].data[0])
+        {
+            if (!gTasks[data[1]].data[1])
+            {
+                DestroyTask(data[1]);
+                data[0] = 2;
+            }
+            else
+            {
+                DestroyTask(data[1]);
+                RtcReset();
+                RtcCalcLocalTimeOffset(
+                    gLocalTime.days,
+                    gLocalTime.hours,
+                    gLocalTime.minutes,
+                    gLocalTime.seconds);
+                gSaveBlock2.lastBerryTreeUpdate = gLocalTime;
+                VarSet(VAR_DAYS, gLocalTime.days);
+                DisableResetRTC();
+                ResetRtcScreen_ShowMessage(gSystemText_ClockResetDataSave);
+                data[0] = 4;
+            }
+        }
+        break;
+    case 4:
+        if (TrySavingData(0) == TRUE)
+        {
+            ResetRtcScreen_ShowMessage(gSystemText_SaveCompleted);
+            PlaySE(SE_PINPON);
+        }
+        else
+        {
+            ResetRtcScreen_ShowMessage(gSystemText_SaveFailed);
+            PlaySE(SE_BOO);
+        }
+        data[0] = 5;
+    case 5:
+        if (gMain.newKeys & A_BUTTON)
+        {
+            BeginNormalPaletteFade(0xFFFFFFFF, 1, 0, 0x10, 0xFFFF);
+            data[0] = 6;
+        }
+        else
+        {
+            break;
+        }
+    case 6:
+        if (!gPaletteFade.active)
+        {
+            DestroyTask(taskId);
+            DoSoftReset();
+        }
+    }
+}