WIP main_menu.c

6 files changed, 626 insertions, 1412 deletions

diff --git a/asm/rom3.s b/asm/rom3.s
index a32cec299..94b6d2b21 100644
--- a/asm/rom3.s
+++ b/asm/rom3.s
@@ -6,1392 +6,6 @@
 
 	.text
 
-	thumb_func_start CB2_MainMenu
-CB2_MainMenu: @ 80096C4
-	push {lr}
-	bl RunTasks
-	bl AnimateSprites
-	bl BuildOamBuffer
-	bl UpdatePaletteFade
-	pop {r0}
-	bx r0
-	thumb_func_end CB2_MainMenu
-
-	thumb_func_start VBlankCB_MainMenu
-VBlankCB_MainMenu: @ 80096DC
-	push {lr}
-	bl LoadOam
-	bl ProcessSpriteCopyRequests
-	bl TransferPlttBuffer
-	pop {r0}
-	bx r0
-	thumb_func_end VBlankCB_MainMenu
-
-	thumb_func_start CB2_InitMainMenu
-CB2_InitMainMenu: @ 80096F0
-	push {lr}
-	movs r0, 0
-	bl InitMainMenu
-	pop {r0}
-	bx r0
-	thumb_func_end CB2_InitMainMenu
-
-	thumb_func_start sub_80096FC
-sub_80096FC: @ 80096FC
-	push {lr}
-	movs r0, 0x1
-	bl InitMainMenu
-	pop {r0}
-	bx r0
-	thumb_func_end sub_80096FC
-
-	thumb_func_start InitMainMenu
-InitMainMenu: @ 8009708
-	push {r4,r5,lr}
-	sub sp, 0xC
-	adds r4, r0, 0
-	lsls r4, 24
-	lsrs r4, 24
-	movs r0, 0
-	bl SetVBlankCallback
-	movs r0, 0x80
-	lsls r0, 19
-	movs r1, 0
-	strh r1, [r0]
-	adds r0, 0xC
-	strh r1, [r0]
-	subs r0, 0x2
-	strh r1, [r0]
-	subs r0, 0x2
-	strh r1, [r0]
-	adds r0, 0x10
-	strh r1, [r0]
-	adds r0, 0x2
-	strh r1, [r0]
-	subs r0, 0x6
-	strh r1, [r0]
-	adds r0, 0x2
-	strh r1, [r0]
-	subs r0, 0x6
-	strh r1, [r0]
-	adds r0, 0x2
-	strh r1, [r0]
-	add r0, sp, 0x4
-	strh r1, [r0]
-	ldr r1, _080097BC
-	str r0, [r1]
-	movs r0, 0xC0
-	lsls r0, 19
-	str r0, [r1, 0x4]
-	ldr r0, _080097C0
-	str r0, [r1, 0x8]
-	ldr r0, [r1, 0x8]
-	movs r5, 0
-	str r5, [sp, 0x8]
-	add r0, sp, 0x8
-	str r0, [r1]
-	movs r0, 0xE0
-	lsls r0, 19
-	str r0, [r1, 0x4]
-	ldr r0, _080097C4
-	str r0, [r1, 0x8]
-	ldr r0, [r1, 0x8]
-	add r0, sp, 0x4
-	strh r5, [r0]
-	str r0, [r1]
-	ldr r0, _080097C8
-	str r0, [r1, 0x4]
-	ldr r0, _080097CC
-	str r0, [r1, 0x8]
-	ldr r0, [r1, 0x8]
-	bl ResetPaletteFade
-	ldr r0, _080097D0
-	movs r1, 0
-	movs r2, 0x20
-	bl LoadPalette
-	bl remove_some_task
-	bl ResetTasks
-	bl ResetSpriteData
-	bl FreeAllSpritePalettes
-	ldr r0, _080097D4
-	bl SetUpWindowConfig
-	ldr r0, _080097D8
-	bl sub_8071C4C
-	cmp r4, 0
-	beq _080097DC
-	movs r0, 0x1
-	negs r0, r0
-	str r5, [sp]
-	movs r1, 0
-	movs r2, 0x10
-	movs r3, 0
-	bl BeginNormalPaletteFade
-	b _080097EE
-	.align 2, 0
-_080097BC: .4byte 0x040000d4
-_080097C0: .4byte 0x8100c000
-_080097C4: .4byte 0x85000100
-_080097C8: .4byte 0x05000002
-_080097CC: .4byte 0x810001ff
-_080097D0: .4byte gUnknown_081E797C
-_080097D4: .4byte gWindowConfig_81E6C3C
-_080097D8: .4byte gWindowConfig_81E6CE4
-_080097DC:
-	movs r0, 0x1
-	negs r0, r0
-	ldr r1, _08009858
-	str r1, [sp]
-	movs r1, 0
-	movs r2, 0x10
-	movs r3, 0
-	bl BeginNormalPaletteFade
-_080097EE:
-	ldr r0, _0800985C
-	movs r1, 0
-	strh r1, [r0]
-	adds r0, 0x4
-	strh r1, [r0]
-	adds r0, 0x4
-	strh r1, [r0]
-	adds r0, 0x2
-	strh r1, [r0]
-	adds r0, 0x6
-	strh r1, [r0]
-	adds r0, 0x2
-	strh r1, [r0]
-	adds r0, 0x2
-	strh r1, [r0]
-	ldr r3, _08009860
-	ldrh r2, [r3]
-	strh r1, [r3]
-	ldr r4, _08009864
-	ldrh r0, [r4]
-	movs r1, 0x1
-	orrs r0, r1
-	strh r0, [r4]
-	strh r2, [r3]
-	ldr r0, _08009868
-	bl SetVBlankCallback
-	ldr r0, _0800986C
-	bl SetMainCallback2
-	movs r1, 0x80
-	lsls r1, 19
-	movs r2, 0xC5
-	lsls r2, 6
-	adds r0, r2, 0
-	strh r0, [r1]
-	ldr r0, _08009870
-	movs r1, 0
-	bl CreateTask
-	lsls r0, 24
-	lsrs r0, 24
-	ldr r2, _08009874
-	lsls r1, r0, 2
-	adds r1, r0
-	lsls r1, 3
-	adds r1, r2
-	movs r0, 0
-	strh r0, [r1, 0xA]
-	add sp, 0xC
-	pop {r4,r5}
-	pop {r1}
-	bx r1
-	.align 2, 0
-_08009858: .4byte 0x0000ffff
-_0800985C: .4byte REG_WIN0H
-_08009860: .4byte 0x04000208
-_08009864: .4byte 0x04000200
-_08009868: .4byte VBlankCB_MainMenu
-_0800986C: .4byte CB2_MainMenu
-_08009870: .4byte Task_CheckSave
-_08009874: .4byte 0x03004b20
-	thumb_func_end InitMainMenu
-
-	thumb_func_start Task_CheckSave
-Task_CheckSave: @ 8009878
-	push {r4-r7,lr}
-	mov r7, r8
-	push {r7}
-	lsls r0, 24
-	lsrs r5, r0, 24
-	ldr r0, _080098D4
-	ldrb r1, [r0, 0x7]
-	movs r0, 0x80
-	ands r0, r1
-	lsls r0, 24
-	lsrs r6, r0, 24
-	cmp r6, 0
-	beq _08009894
-	b _080099FC
-_08009894:
-	ldr r7, _080098D8
-	strh r6, [r7]
-	ldr r0, _080098DC
-	mov r8, r0
-	strh r6, [r0]
-	ldr r1, _080098E0
-	ldr r2, _080098E4
-	adds r0, r2, 0
-	strh r0, [r1]
-	adds r1, 0x2
-	movs r0, 0x31
-	strh r0, [r1]
-	adds r1, 0x6
-	movs r0, 0xF1
-	strh r0, [r1]
-	ldr r0, _080098E8
-	strh r6, [r0]
-	adds r1, 0x4
-	movs r0, 0x7
-	strh r0, [r1]
-	ldr r0, _080098EC
-	ldrh r4, [r0]
-	cmp r4, 0x2
-	beq _0800993C
-	cmp r4, 0x2
-	bgt _080098F0
-	cmp r4, 0
-	beq _080099AC
-	cmp r4, 0x1
-	beq _080098FA
-	b _080099AC
-	.align 2, 0
-_080098D4: .4byte 0x0202f388
-_080098D8: .4byte REG_WIN0H
-_080098DC: .4byte REG_WIN0V
-_080098E0: .4byte REG_WININ
-_080098E4: .4byte 0x00001111
-_080098E8: .4byte REG_BLDALPHA
-_080098EC: .4byte 0x03005eb8
-_080098F0:
-	cmp r4, 0x4
-	beq _080099C8
-	cmp r4, 0xFF
-	beq _08009950
-	b _080099AC
-_080098FA:
-	bl sub_806918C
-	cmp r0, 0x1
-	bne _0800991C
-	ldr r2, _08009918
-	lsls r3, r5, 2
-	adds r0, r3, r5
-	lsls r0, 3
-	adds r0, r2
-	movs r1, 0x2
-	strh r1, [r0, 0x8]
-	adds r1, r2, 0
-	adds r2, r3, 0
-	b _0800992A
-	.align 2, 0
-_08009918: .4byte 0x03004b20
-_0800991C:
-	ldr r0, _08009934
-	lsls r2, r5, 2
-	adds r1, r2, r5
-	lsls r1, 3
-	adds r1, r0
-	strh r4, [r1, 0x8]
-	adds r1, r0, 0
-_0800992A:
-	adds r0, r2, r5
-	lsls r0, 3
-	adds r0, r1
-	ldr r1, _08009938
-	b _080099FA
-	.align 2, 0
-_08009934: .4byte 0x03004b20
-_08009938: .4byte Task_CheckRtc
-_0800993C:
-	movs r0, 0x2
-	movs r1, 0xE
-	movs r2, 0x1B
-	movs r3, 0x13
-	bl DrawDefaultWindow
-	ldr r0, _0800994C
-	b _080099D6
-	.align 2, 0
-_0800994C: .4byte gUnknown_0840DEC2
-_08009950:
-	movs r0, 0x2
-	movs r1, 0xE
-	movs r2, 0x1B
-	movs r3, 0x13
-	bl DrawDefaultWindow
-	ldr r0, _08009994
-	movs r1, 0x3
-	movs r2, 0xF
-	bl AddTextPrinterWithCallbackForMessage
-	ldr r2, _08009998
-	adds r0, r2, 0
-	strh r0, [r7]
-	ldr r1, _0800999C
-	adds r0, r1, 0
-	mov r2, r8
-	strh r0, [r2]
-	ldr r1, _080099A0
-	lsls r0, r5, 2
-	adds r0, r5
-	lsls r0, 3
-	adds r4, r0, r1
-	movs r5, 0x1
-	strh r5, [r4, 0x8]
-	ldr r0, _080099A4
-	str r0, [r4]
-	bl sub_806918C
-	cmp r0, 0x1
-	bne _080099A8
-	movs r0, 0x2
-	strh r0, [r4, 0x8]
-	b _080099FC
-	.align 2, 0
-_08009994: .4byte gUnknown_0840DE81
-_08009998: .4byte 0x000011df
-_0800999C: .4byte 0x0000719f
-_080099A0: .4byte 0x03004b20
-_080099A4: .4byte Task_WaitForSaveErrorAck
-_080099A8:
-	strh r5, [r4, 0x8]
-	b _080099FC
-_080099AC:
-	ldr r1, _080099C0
-	lsls r0, r5, 2
-	adds r0, r5
-	lsls r0, 3
-	adds r0, r1
-	movs r1, 0
-	strh r1, [r0, 0x8]
-	ldr r1, _080099C4
-	b _080099FA
-	.align 2, 0
-_080099C0: .4byte 0x03004b20
-_080099C4: .4byte Task_CheckRtc
-_080099C8:
-	movs r0, 0x2
-	movs r1, 0xE
-	movs r2, 0x1B
-	movs r3, 0x13
-	bl DrawDefaultWindow
-	ldr r0, _08009A08
-_080099D6:
-	movs r1, 0x3
-	movs r2, 0xF
-	bl AddTextPrinterWithCallbackForMessage
-	ldr r1, _08009A0C
-	adds r0, r1, 0
-	strh r0, [r7]
-	ldr r2, _08009A10
-	adds r0, r2, 0
-	mov r1, r8
-	strh r0, [r1]
-	ldr r1, _08009A14
-	lsls r0, r5, 2
-	adds r0, r5
-	lsls r0, 3
-	adds r0, r1
-	strh r6, [r0, 0x8]
-	ldr r1, _08009A18
-_080099FA:
-	str r1, [r0]
-_080099FC:
-	pop {r3}
-	mov r8, r3
-	pop {r4-r7}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_08009A08: .4byte gUnknown_0840DEE5
-_08009A0C: .4byte 0x000011df
-_08009A10: .4byte 0x0000719f
-_08009A14: .4byte 0x03004b20
-_08009A18: .4byte Task_WaitForSaveErrorAck
-	thumb_func_end Task_CheckSave
-
-	thumb_func_start Task_WaitForSaveErrorAck
-Task_WaitForSaveErrorAck: @ 8009A1C
-	push {r4,lr}
-	lsls r0, 24
-	lsrs r4, r0, 24
-	bl sub_8072080
-	lsls r0, 24
-	cmp r0, 0
-	beq _08009A52
-	ldr r0, _08009A58
-	ldrh r1, [r0, 0x2E]
-	movs r0, 0x1
-	ands r0, r1
-	cmp r0, 0
-	beq _08009A52
-	movs r0, 0x2
-	movs r1, 0xE
-	movs r2, 0x1B
-	movs r3, 0x13
-	bl Reset
-	ldr r0, _08009A5C
-	lsls r1, r4, 2
-	adds r1, r4
-	lsls r1, 3
-	adds r1, r0
-	ldr r0, _08009A60
-	str r0, [r1]
-_08009A52:
-	pop {r4}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_08009A58: .4byte 0x03001770
-_08009A5C: .4byte 0x03004b20
-_08009A60: .4byte Task_CheckRtc
-	thumb_func_end Task_WaitForSaveErrorAck
-
-	thumb_func_start Task_CheckRtc
-Task_CheckRtc: @ 8009A64
-	push {r4-r7,lr}
-	lsls r0, 24
-	lsrs r4, r0, 24
-	adds r5, r4, 0
-	ldr r0, _08009AC0
-	ldrb r1, [r0, 0x7]
-	movs r0, 0x80
-	ands r0, r1
-	lsls r0, 24
-	lsrs r2, r0, 24
-	cmp r2, 0
-	bne _08009B10
-	ldr r6, _08009AC4
-	strh r2, [r6]
-	ldr r7, _08009AC8
-	strh r2, [r7]
-	ldr r1, _08009ACC
-	ldr r3, _08009AD0
-	adds r0, r3, 0
-	strh r0, [r1]
-	adds r1, 0x2
-	movs r0, 0x31
-	strh r0, [r1]
-	adds r1, 0x6
-	movs r0, 0xF1
-	strh r0, [r1]
-	ldr r0, _08009AD4
-	strh r2, [r0]
-	adds r1, 0x4
-	movs r0, 0x7
-	strh r0, [r1]
-	bl RtcGetErrorStatus
-	movs r1, 0xFF
-	lsls r1, 4
-	ands r1, r0
-	cmp r1, 0
-	bne _08009AE0
-	ldr r0, _08009AD8
-	lsls r1, r4, 2
-	adds r1, r4
-	lsls r1, 3
-	adds r1, r0
-	ldr r0, _08009ADC
-	str r0, [r1]
-	b _08009B10
-	.align 2, 0
-_08009AC0: .4byte 0x0202f388
-_08009AC4: .4byte REG_WIN0H
-_08009AC8: .4byte REG_WIN0V
-_08009ACC: .4byte REG_WININ
-_08009AD0: .4byte 0x00001111
-_08009AD4: .4byte REG_BLDALPHA
-_08009AD8: .4byte 0x03004b20
-_08009ADC: .4byte Task_DrawMainMenu
-_08009AE0:
-	movs r0, 0x2
-	movs r1, 0xE
-	movs r2, 0x1B
-	movs r3, 0x13
-	bl DrawDefaultWindow
-	ldr r0, _08009B18
-	movs r1, 0x3
-	movs r2, 0xF
-	bl AddTextPrinterWithCallbackForMessage
-	ldr r1, _08009B1C
-	adds r0, r1, 0
-	strh r0, [r6]
-	ldr r3, _08009B20
-	adds r0, r3, 0
-	strh r0, [r7]
-	ldr r1, _08009B24
-	lsls r0, r5, 2
-	adds r0, r5
-	lsls r0, 3
-	adds r0, r1
-	ldr r1, _08009B28
-	str r1, [r0]
-_08009B10:
-	pop {r4-r7}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_08009B18: .4byte gUnknown_0840DF10
-_08009B1C: .4byte 0x000011df
-_08009B20: .4byte 0x0000719f
-_08009B24: .4byte 0x03004b20
-_08009B28: .4byte Task_WaitForRtcErrorAck
-	thumb_func_end Task_CheckRtc
-
-	thumb_func_start Task_WaitForRtcErrorAck
-Task_WaitForRtcErrorAck: @ 8009B2C
-	push {r4,lr}
-	lsls r0, 24
-	lsrs r4, r0, 24
-	bl sub_8072080
-	lsls r0, 24
-	cmp r0, 0
-	beq _08009B62
-	ldr r0, _08009B68
-	ldrh r1, [r0, 0x2E]
-	movs r0, 0x1
-	ands r0, r1
-	cmp r0, 0
-	beq _08009B62
-	movs r0, 0x2
-	movs r1, 0xE
-	movs r2, 0x1B
-	movs r3, 0x13
-	bl Reset
-	ldr r0, _08009B6C
-	lsls r1, r4, 2
-	adds r1, r4
-	lsls r1, 3
-	adds r1, r0
-	ldr r0, _08009B70
-	str r0, [r1]
-_08009B62:
-	pop {r4}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_08009B68: .4byte 0x03001770
-_08009B6C: .4byte 0x03004b20
-_08009B70: .4byte Task_DrawMainMenu
-	thumb_func_end Task_WaitForRtcErrorAck
-
-	thumb_func_start Task_DrawMainMenu
-Task_DrawMainMenu: @ 8009B74
-	push {r4,r5,lr}
-	sub sp, 0x4
-	lsls r0, 24
-	lsrs r4, r0, 24
-	ldr r0, _08009BDC
-	ldrb r1, [r0, 0x7]
-	movs r0, 0x80
-	ands r0, r1
-	lsls r0, 24
-	lsrs r2, r0, 24
-	cmp r2, 0
-	beq _08009B8E
-	b _08009D20
-_08009B8E:
-	ldr r0, _08009BE0
-	strh r2, [r0]
-	adds r0, 0x4
-	strh r2, [r0]
-	ldr r1, _08009BE4
-	ldr r3, _08009BE8
-	adds r0, r3, 0
-	strh r0, [r1]
-	adds r1, 0x2
-	movs r0, 0x31
-	strh r0, [r1]
-	adds r1, 0x6
-	movs r0, 0xF1
-	strh r0, [r1]
-	ldr r0, _08009BEC
-	strh r2, [r0]
-	adds r1, 0x4
-	movs r0, 0x7
-	strh r0, [r1]
-	mov r0, sp
-	strh r2, [r0]
-	movs r1, 0xFE
-	movs r2, 0x2
-	bl LoadPalette
-	ldr r0, _08009BF0
-	ldrb r0, [r0, 0x8]
-	cmp r0, 0
-	bne _08009BF8
-	mov r1, sp
-	ldr r2, _08009BF4
-	adds r0, r2, 0
-	strh r0, [r1]
-	mov r0, sp
-	movs r1, 0xF1
-	movs r2, 0x2
-	bl LoadPalette
-	b _08009C0A
-	.align 2, 0
-_08009BDC: .4byte 0x0202f388
-_08009BE0: .4byte REG_WIN0H
-_08009BE4: .4byte REG_WININ
-_08009BE8: .4byte 0x00001111
-_08009BEC: .4byte REG_BLDALPHA
-_08009BF0: .4byte gSaveBlock2
-_08009BF4: .4byte 0x00007e04
-_08009BF8:
-	mov r1, sp
-	ldr r3, _08009C54
-	adds r0, r3, 0
-	strh r0, [r1]
-	mov r0, sp
-	movs r1, 0xF1
-	movs r2, 0x2
-	bl LoadPalette
-_08009C0A:
-	ldr r2, _08009C58
-	lsls r1, r4, 2
-	adds r0, r1, r4
-	lsls r0, 3
-	adds r0, r2
-	movs r2, 0x8
-	ldrsh r0, [r0, r2]
-	adds r5, r1, 0
-	cmp r0, 0x1
-	beq _08009C64
-	cmp r0, 0x1
-	ble _08009C26
-	cmp r0, 0x2
-	beq _08009CB8
-_08009C26:
-	movs r0, 0x1
-	movs r1, 0
-	movs r2, 0x1C
-	movs r3, 0x3
-	bl DrawDefaultWindow
-	ldr r0, _08009C5C
-	movs r1, 0x2
-	movs r2, 0x1
-	bl PrintMainMenuItem
-	movs r0, 0x1
-	movs r1, 0x4
-	movs r2, 0x1C
-	movs r3, 0x7
-	bl DrawDefaultWindow
-	ldr r0, _08009C60
-	movs r1, 0x2
-	movs r2, 0x5
-	bl PrintMainMenuItem
-	b _08009D14
-	.align 2, 0
-_08009C54: .4byte 0x0000547f
-_08009C58: .4byte 0x03004b20
-_08009C5C: .4byte gUnknown_0840DCD0
-_08009C60: .4byte gUnknown_0840DCE2
-_08009C64:
-	movs r0, 0x1
-	movs r1, 0
-	movs r2, 0x1C
-	movs r3, 0x7
-	bl DrawDefaultWindow
-	ldr r0, _08009CAC
-	movs r1, 0x2
-	movs r2, 0x1
-	bl PrintMainMenuItem
-	movs r0, 0x1
-	movs r1, 0x8
-	movs r2, 0x1C
-	movs r3, 0xB
-	bl DrawDefaultWindow
-	ldr r0, _08009CB0
-	movs r1, 0x2
-	movs r2, 0x9
-	bl PrintMainMenuItem
-	movs r0, 0x1
-	movs r1, 0xC
-	movs r2, 0x1C
-	movs r3, 0xF
-	bl DrawDefaultWindow
-	ldr r0, _08009CB4
-	movs r1, 0x2
-	movs r2, 0xD
-	bl PrintMainMenuItem
-	bl PrintSaveFileInfo
-	b _08009D14
-	.align 2, 0
-_08009CAC: .4byte gUnknown_0840DCD9
-_08009CB0: .4byte gUnknown_0840DCD0
-_08009CB4: .4byte gUnknown_0840DCE2
-_08009CB8:
-	movs r0, 0x1
-	movs r1, 0
-	movs r2, 0x1C
-	movs r3, 0x7
-	bl DrawDefaultWindow
-	ldr r0, _08009D28
-	movs r1, 0x2
-	movs r2, 0x1
-	bl PrintMainMenuItem
-	movs r0, 0x1
-	movs r1, 0x8
-	movs r2, 0x1C
-	movs r3, 0xB
-	bl DrawDefaultWindow
-	ldr r0, _08009D2C
-	movs r1, 0x2
-	movs r2, 0x9
-	bl PrintMainMenuItem
-	movs r0, 0x1
-	movs r1, 0xC
-	movs r2, 0x1C
-	movs r3, 0xF
-	bl DrawDefaultWindow
-	ldr r0, _08009D30
-	movs r1, 0x2
-	movs r2, 0xD
-	bl PrintMainMenuItem
-	movs r0, 0x1
-	movs r1, 0x10
-	movs r2, 0x1C
-	movs r3, 0x13
-	bl DrawDefaultWindow
-	ldr r0, _08009D34
-	movs r1, 0x2
-	movs r2, 0x11
-	bl PrintMainMenuItem
-	bl PrintSaveFileInfo
-_08009D14:
-	ldr r0, _08009D38
-	adds r1, r5, r4
-	lsls r1, 3
-	adds r1, r0
-	ldr r0, _08009D3C
-	str r0, [r1]
-_08009D20:
-	add sp, 0x4
-	pop {r4,r5}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_08009D28: .4byte gUnknown_0840DCD9
-_08009D2C: .4byte gUnknown_0840DCD0
-_08009D30: .4byte gUnknown_0840DCE9
-_08009D34: .4byte gUnknown_0840DCE2
-_08009D38: .4byte 0x03004b20
-_08009D3C: .4byte Task_HighlightCurrentMenuItem
-	thumb_func_end Task_DrawMainMenu
-
-	thumb_func_start Task_HighlightCurrentMenuItem
-Task_HighlightCurrentMenuItem: @ 8009D40
-	push {r4,lr}
-	lsls r0, 24
-	lsrs r0, 24
-	ldr r1, _08009D64
-	lsls r4, r0, 2
-	adds r4, r0
-	lsls r4, 3
-	adds r4, r1
-	ldrb r0, [r4, 0x8]
-	ldrb r1, [r4, 0xA]
-	bl HighlightCurrentMenuItem
-	ldr r0, _08009D68
-	str r0, [r4]
-	pop {r4}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_08009D64: .4byte 0x03004b20
-_08009D68: .4byte Task_MainMenuProcessKeyInput
-	thumb_func_end Task_HighlightCurrentMenuItem
-
-	thumb_func_start MainMenuProcessKeyInput
-MainMenuProcessKeyInput: @ 8009D6C
-	push {r4-r7,lr}
-	sub sp, 0x4
-	lsls r0, 24
-	lsrs r4, r0, 24
-	ldr r1, _08009DA8
-	ldrh r2, [r1, 0x2E]
-	movs r0, 0x1
-	ands r0, r2
-	mov r12, r1
-	cmp r0, 0
-	beq _08009DB4
-	movs r0, 0x5
-	bl audio_play
-	movs r0, 0x1
-	negs r0, r0
-	movs r1, 0
-	str r1, [sp]
-	movs r2, 0
-	movs r3, 0x10
-	bl BeginNormalPaletteFade
-	ldr r1, _08009DAC
-	lsls r0, r4, 2
-	adds r0, r4
-	lsls r0, 3
-	adds r0, r1
-	ldr r1, _08009DB0
-	str r1, [r0]
-	b _08009E74
-	.align 2, 0
-_08009DA8: .4byte 0x03001770
-_08009DAC: .4byte 0x03004b20
-_08009DB0: .4byte MainMenuPressedA
-_08009DB4:
-	movs r0, 0x2
-	ands r0, r2
-	cmp r0, 0
-	beq _08009E00
-	movs r0, 0x5
-	bl audio_play
-	movs r0, 0x1
-	negs r0, r0
-	ldr r1, _08009DF0
-	str r1, [sp]
-	movs r1, 0
-	movs r2, 0
-	movs r3, 0x10
-	bl BeginNormalPaletteFade
-	ldr r1, _08009DF4
-	movs r0, 0xF0
-	strh r0, [r1]
-	adds r1, 0x4
-	movs r0, 0xA0
-	strh r0, [r1]
-	ldr r1, _08009DF8
-	lsls r0, r4, 2
-	adds r0, r4
-	lsls r0, 3
-	adds r0, r1
-	ldr r1, _08009DFC
-	str r1, [r0]
-	b _08009E74
-	.align 2, 0
-_08009DF0: .4byte 0x0000ffff
-_08009DF4: .4byte REG_WIN0H
-_08009DF8: .4byte 0x03004b20
-_08009DFC: .4byte MainMenuPressedB
-_08009E00:
-	ldr r0, _08009E20
-	lsls r2, r4, 2
-	adds r1, r2, r4
-	lsls r1, 3
-	adds r1, r0
-	movs r3, 0x8
-	ldrsh r1, [r1, r3]
-	adds r6, r0, 0
-	cmp r1, 0x1
-	beq _08009E24
-	cmp r1, 0x1
-	ble _08009E1C
-	cmp r1, 0x2
-	beq _08009E28
-_08009E1C:
-	movs r5, 0x2
-	b _08009E2A
-	.align 2, 0
-_08009E20: .4byte 0x03004b20
-_08009E24:
-	movs r5, 0x3
-	b _08009E2A
-_08009E28:
-	movs r5, 0x4
-_08009E2A:
-	mov r7, r12
-	ldrh r1, [r7, 0x2E]
-	movs r0, 0x40
-	ands r0, r1
-	cmp r0, 0
-	beq _08009E4E
-	adds r0, r2, r4
-	lsls r0, 3
-	adds r1, r0, r6
-	ldrh r3, [r1, 0xA]
-	movs r7, 0xA
-	ldrsh r0, [r1, r7]
-	cmp r0, 0
-	ble _08009E4E
-	subs r0, r3, 0x1
-	strh r0, [r1, 0xA]
-	movs r0, 0x1
-	b _08009E76
-_08009E4E:
-	mov r0, r12
-	ldrh r1, [r0, 0x2E]
-	movs r0, 0x80
-	ands r0, r1
-	cmp r0, 0
-	beq _08009E74
-	adds r0, r2, r4
-	lsls r0, 3
-	adds r2, r0, r6
-	movs r3, 0xA
-	ldrsh r1, [r2, r3]
-	subs r0, r5, 0x1
-	cmp r1, r0
-	bge _08009E74
-	ldrh r0, [r2, 0xA]
-	adds r0, 0x1
-	strh r0, [r2, 0xA]
-	movs r0, 0x1
-	b _08009E76
-_08009E74:
-	movs r0, 0
-_08009E76:
-	add sp, 0x4
-	pop {r4-r7}
-	pop {r1}
-	bx r1
-	thumb_func_end MainMenuProcessKeyInput
-
-	thumb_func_start Task_MainMenuProcessKeyInput
-Task_MainMenuProcessKeyInput: @ 8009E80
-	push {r4,lr}
-	lsls r0, 24
-	lsrs r4, r0, 24
-	adds r0, r4, 0
-	bl MainMenuProcessKeyInput
-	lsls r0, 24
-	cmp r0, 0
-	beq _08009EA0
-	ldr r0, _08009EA8
-	lsls r1, r4, 2
-	adds r1, r4
-	lsls r1, 3
-	adds r1, r0
-	ldr r0, _08009EAC
-	str r0, [r1]
-_08009EA0:
-	pop {r4}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_08009EA8: .4byte 0x03004b20
-_08009EAC: .4byte Task_HighlightCurrentMenuItem
-	thumb_func_end Task_MainMenuProcessKeyInput
-
-	thumb_func_start MainMenuPressedA
-MainMenuPressedA: @ 8009EB0
-	push {r4,r5,lr}
-	lsls r0, 24
-	lsrs r4, r0, 24
-	ldr r0, _08009EEC
-	ldrb r1, [r0, 0x7]
-	movs r0, 0x80
-	ands r0, r1
-	cmp r0, 0
-	bne _08009FA4
-	ldr r0, _08009EF0
-	lsls r2, r4, 2
-	adds r1, r2, r4
-	lsls r1, 3
-	adds r1, r0
-	movs r5, 0x8
-	ldrsh r3, [r1, r5]
-	adds r5, r0, 0
-	cmp r3, 0x1
-	beq _08009EF4
-	cmp r3, 0x1
-	ble _08009EDE
-	cmp r3, 0x2
-	beq _08009F06
-_08009EDE:
-	movs r0, 0xA
-	ldrsh r1, [r1, r0]
-	cmp r1, 0
-	beq _08009F1E
-	cmp r1, 0x1
-	bne _08009F1E
-	b _08009F26
-	.align 2, 0
-_08009EEC: .4byte 0x0202f388
-_08009EF0: .4byte 0x03004b20
-_08009EF4:
-	movs r0, 0xA
-	ldrsh r1, [r1, r0]
-	cmp r1, 0x1
-	beq _08009F1E
-	cmp r1, 0x1
-	ble _08009F1A
-	cmp r1, 0x2
-	bne _08009F1A
-	b _08009F26
-_08009F06:
-	movs r0, 0xA
-	ldrsh r1, [r1, r0]
-	cmp r1, 0x1
-	beq _08009F1E
-	cmp r1, 0x1
-	ble _08009F1A
-	cmp r1, 0x2
-	beq _08009F22
-	cmp r1, 0x3
-	beq _08009F26
-_08009F1A:
-	movs r0, 0x1
-	b _08009F28
-_08009F1E:
-	movs r0, 0
-	b _08009F28
-_08009F22:
-	movs r0, 0x3
-	b _08009F28
-_08009F26:
-	movs r0, 0x2
-_08009F28:
-	cmp r0, 0x1
-	beq _08009F5C
-	cmp r0, 0x1
-	ble _08009F38
-	cmp r0, 0x2
-	beq _08009F78
-	cmp r0, 0x3
-	beq _08009F98
-_08009F38:
-	ldr r0, _08009F50
-	movs r1, 0
-	strh r1, [r0]
-	ldr r0, _08009F54
-	strh r1, [r0]
-	adds r0, r2, r4
-	lsls r0, 3
-	adds r0, r5
-	ldr r1, _08009F58
-	str r1, [r0]
-	b _08009FA4
-	.align 2, 0
-_08009F50: .4byte 0x0202eac8
-_08009F54: .4byte 0x0202eec8
-_08009F58: .4byte Task_Birch1
-_08009F5C:
-	ldr r0, _08009F6C
-	movs r1, 0
-	strh r1, [r0]
-	ldr r0, _08009F70
-	strh r1, [r0]
-	ldr r0, _08009F74
-	b _08009F80
-	.align 2, 0
-_08009F6C: .4byte 0x0202eac8
-_08009F70: .4byte 0x0202eec8
-_08009F74: .4byte CB2_ContinueSavedGame
-_08009F78:
-	ldr r0, _08009F8C
-	ldr r1, _08009F90
-	str r1, [r0, 0x8]
-	ldr r0, _08009F94
-_08009F80:
-	bl SetMainCallback2
-	adds r0, r4, 0
-	bl DestroyTask
-	b _08009FA4
-	.align 2, 0
-_08009F8C: .4byte 0x03001770
-_08009F90: .4byte sub_80096FC
-_08009F94: .4byte CB2_InitOptionMenu
-_08009F98:
-	ldr r0, _08009FAC
-	bl SetMainCallback2
-	adds r0, r4, 0
-	bl DestroyTask
-_08009FA4:
-	pop {r4,r5}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_08009FAC: .4byte CB2_InitMysteryEventMenu
-	thumb_func_end MainMenuPressedA
-
-	thumb_func_start MainMenuPressedB
-MainMenuPressedB: @ 8009FB0
-	push {r4,lr}
-	lsls r0, 24
-	lsrs r4, r0, 24
-	ldr r0, _08009FD4
-	ldrb r1, [r0, 0x7]
-	movs r0, 0x80
-	ands r0, r1
-	cmp r0, 0
-	bne _08009FCE
-	ldr r0, _08009FD8
-	bl SetMainCallback2
-	adds r0, r4, 0
-	bl DestroyTask
-_08009FCE:
-	pop {r4}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_08009FD4: .4byte 0x0202f388
-_08009FD8: .4byte CB2_InitTitleScreen
-	thumb_func_end MainMenuPressedB
-
-	thumb_func_start HighlightCurrentMenuItem
-HighlightCurrentMenuItem: @ 8009FDC
-	push {r4,lr}
-	lsls r0, 24
-	lsrs r3, r0, 24
-	lsls r1, 24
-	lsrs r2, r1, 24
-	ldr r1, _0800A008
-	ldr r4, _0800A00C
-	adds r0, r4, 0
-	strh r0, [r1]
-	cmp r3, 0x1
-	beq _0800A028
-	cmp r3, 0x1
-	ble _08009FFA
-	cmp r3, 0x2
-	beq _0800A064
-_08009FFA:
-	cmp r2, 0
-	beq _0800A002
-	cmp r2, 0x1
-	beq _0800A018
-_0800A002:
-	ldr r1, _0800A010
-	ldr r2, _0800A014
-	b _0800A0A8
-	.align 2, 0
-_0800A008: .4byte REG_WIN0H
-_0800A00C: .4byte 0x000009e7
-_0800A010: .4byte REG_WIN0V
-_0800A014: .4byte 0x0000011f
-_0800A018:
-	ldr r1, _0800A020
-	ldr r4, _0800A024
-	adds r0, r4, 0
-	b _0800A0AA
-	.align 2, 0
-_0800A020: .4byte REG_WIN0V
-_0800A024: .4byte 0x0000213f
-_0800A028:
-	cmp r2, 0x1
-	beq _0800A044
-	cmp r2, 0x1
-	ble _0800A034
-	cmp r2, 0x2
-	beq _0800A054
-_0800A034:
-	ldr r1, _0800A03C
-	ldr r2, _0800A040
-	b _0800A0A8
-	.align 2, 0
-_0800A03C: .4byte REG_WIN0V
-_0800A040: .4byte 0x0000013f
-_0800A044:
-	ldr r1, _0800A04C
-	ldr r4, _0800A050
-	adds r0, r4, 0
-	b _0800A0AA
-	.align 2, 0
-_0800A04C: .4byte REG_WIN0V
-_0800A050: .4byte 0x0000415f
-_0800A054:
-	ldr r1, _0800A05C
-	ldr r2, _0800A060
-	b _0800A0A8
-	.align 2, 0
-_0800A05C: .4byte REG_WIN0V
-_0800A060: .4byte 0x0000617f
-_0800A064:
-	cmp r2, 0x1
-	beq _0800A084
-	cmp r2, 0x1
-	ble _0800A074
-	cmp r2, 0x2
-	beq _0800A094
-	cmp r2, 0x3
-	beq _0800A0A4
-_0800A074:
-	ldr r1, _0800A07C
-	ldr r4, _0800A080
-	adds r0, r4, 0
-	b _0800A0AA
-	.align 2, 0
-_0800A07C: .4byte REG_WIN0V
-_0800A080: .4byte 0x0000013f
-_0800A084:
-	ldr r1, _0800A08C
-	ldr r2, _0800A090
-	b _0800A0A8
-	.align 2, 0
-_0800A08C: .4byte REG_WIN0V
-_0800A090: .4byte 0x0000415f
-_0800A094:
-	ldr r1, _0800A09C
-	ldr r4, _0800A0A0
-	adds r0, r4, 0
-	b _0800A0AA
-	.align 2, 0
-_0800A09C: .4byte REG_WIN0V
-_0800A0A0: .4byte 0x0000617f
-_0800A0A4:
-	ldr r1, _0800A0B4
-	ldr r2, _0800A0B8
-_0800A0A8:
-	adds r0, r2, 0
-_0800A0AA:
-	strh r0, [r1]
-	pop {r4}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0800A0B4: .4byte REG_WIN0V
-_0800A0B8: .4byte 0x0000819f
-	thumb_func_end HighlightCurrentMenuItem
-
-	thumb_func_start PrintMainMenuItem
-PrintMainMenuItem: @ 800A0BC
-	push {r4-r6,lr}
-	sub sp, 0x20
-	adds r4, r0, 0
-	lsls r1, 24
-	lsrs r5, r1, 24
-	lsls r2, 24
-	lsrs r2, 24
-	mov r1, sp
-	movs r0, 0xFC
-	strb r0, [r1]
-	movs r0, 0x1
-	strb r0, [r1, 0x1]
-	movs r0, 0xE
-	strb r0, [r1, 0x2]
-	movs r3, 0
-_0800A0DA:
-	adds r0, r3, 0x3
-	mov r6, sp
-	adds r1, r6, r0
-	adds r0, r4, r3
-	ldrb r0, [r0]
-	strb r0, [r1]
-	adds r0, r3, 0x1
-	lsls r0, 24
-	lsrs r3, r0, 24
-	cmp r3, 0x19
-	bls _0800A0DA
-	mov r1, sp
-	movs r0, 0xFF
-	strb r0, [r1, 0x1D]
-	mov r0, sp
-	adds r1, r5, 0
-	bl Print
-	add sp, 0x20
-	pop {r4-r6}
-	pop {r0}
-	bx r0
-	thumb_func_end PrintMainMenuItem
-
-	thumb_func_start PrintSaveFileInfo
-PrintSaveFileInfo: @ 800A108
-	push {lr}
-	bl PrintPlayerName
-	bl PrintPokedexCount
-	bl PrintPlayTime
-	bl PrintBadgeCount
-	pop {r0}
-	bx r0
-	thumb_func_end PrintSaveFileInfo
-
-	thumb_func_start PrintPlayerName
-PrintPlayerName: @ 800A120
-	push {lr}
-	ldr r0, _0800A13C
-	movs r1, 0x2
-	movs r2, 0x3
-	bl Print
-	ldr r0, _0800A140
-	movs r1, 0x9
-	movs r2, 0x3
-	bl Print
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0800A13C: .4byte gUnknown_0840DF7C
-_0800A140: .4byte gSaveBlock2
-	thumb_func_end PrintPlayerName
-
-	thumb_func_start PrintPlayTime
-PrintPlayTime: @ 800A144
-	push {r4,lr}
-	sub sp, 0x30
-	ldr r0, _0800A180
-	movs r1, 0x10
-	movs r2, 0x3
-	bl Print
-	ldr r0, _0800A184
-	ldrh r1, [r0, 0xE]
-	ldrb r2, [r0, 0x10]
-	mov r0, sp
-	movs r3, 0x1
-	bl FormatPlayTime
-	add r4, sp, 0x10
-	adds r0, r4, 0
-	mov r1, sp
-	movs r2, 0x30
-	movs r3, 0x1
-	bl sub_8072C74
-	adds r0, r4, 0
-	movs r1, 0x16
-	movs r2, 0x3
-	bl Print
-	add sp, 0x30
-	pop {r4}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0800A180: .4byte gUnknown_0840DF8B
-_0800A184: .4byte gSaveBlock2
-	thumb_func_end PrintPlayTime
-
-	thumb_func_start PrintPokedexCount
-PrintPokedexCount: @ 800A188
-	push {lr}
-	sub sp, 0x10
-	ldr r0, _0800A1BC
-	movs r1, 0x2
-	movs r2, 0x5
-	bl Print
-	bl GetPokedexSeenCount
-	adds r1, r0, 0
-	lsls r1, 16
-	lsrs r1, 16
-	mov r0, sp
-	movs r2, 0x12
-	movs r3, 0
-	bl sub_8072C14
-	mov r0, sp
-	movs r1, 0x9
-	movs r2, 0x5
-	bl Print
-	add sp, 0x10
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0800A1BC: .4byte gUnknown_0840DF83
-	thumb_func_end PrintPokedexCount
-
-	thumb_func_start PrintBadgeCount
-PrintBadgeCount: @ 800A1C0
-	push {lr}
-	sub sp, 0x10
-	ldr r0, _0800A1F0
-	movs r1, 0x10
-	movs r2, 0x5
-	bl Print
-	bl GetBadgeCount
-	adds r1, r0, 0
-	lsls r1, 24
-	lsrs r1, 24
-	mov r0, sp
-	bl ConvertIntToDecimalString
-	mov r0, sp
-	movs r1, 0xCD
-	movs r2, 0x28
-	movs r3, 0x1
-	bl sub_80729D8
-	add sp, 0x10
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0800A1F0: .4byte gUnknown_0840DF90
-	thumb_func_end PrintBadgeCount
-
 	thumb_func_start Task_Birch1
 Task_Birch1: @ 800A1F4
 	push {r4,r5,lr}
diff --git a/asm/rom5.s b/asm/rom5.s
index f7fcad083..573d4e7ca 100644
--- a/asm/rom5.s
+++ b/asm/rom5.s
@@ -411385,7 +411385,7 @@ _081433CC: .4byte gUnknown_0840E559
 _081433D0: .4byte gSaveBlock2
 _081433D4: .4byte gUnknown_0840E560
 _081433D8: .4byte 0x020231cc
-_081433DC: .4byte gUnknown_0840DF8B
+_081433DC: .4byte gMainMenuString_Time
 	thumb_func_end sub_8143300
 
 	thumb_func_start sub_81433E0
diff --git a/data/data2.s b/data/data2.s
index 191542eed..3da8512eb 100644
--- a/data/data2.s
+++ b/data/data2.s
@@ -27,7 +27,7 @@ gUnknown_081E796C:: @ 81E796C
 	.space 16
 
 	.align 2
-gUnknown_081E797C:: @ 81E797C
+gMainMenuPalette:: @ 81E797C
 	.incbin "graphics/misc/main_menu.gbapal"
 
 	.align 2
@@ -28868,60 +28868,52 @@ gUnknown_0840DCC8:: @ 840DCC8
 SystemText_Pokemon2:
 	.string "POKéMON$"
 
-gUnknown_0840DCD0:: @ 840DCD0
-SystemText_NewGame:
+gMainMenuString_NewGame:: @ 840DCD0
 	.string "NEW GAME$"
 
-gUnknown_0840DCD9:: @ 840DCD9
-SystemText_Continue:
+gMainMenuString_Continue:: @ 840DCD9
 	.string "CONTINUE$"
 
-gUnknown_0840DCE2:: @ 840DCE2
-SystemText_Option2:
+gMainMenuString_Option:: @ 840DCE2
 	.string "OPTION$"
 
-gUnknown_0840DCE9:: @ 840DCE9
-SystemText_MysteryEvents:
+gMainMenuString_MysteryEvents:: @ 840DCE9
 	.string "MYSTERY EVENTS$"
+
 SystemText_UpdatingSaveExternal:
 	.string "Updating save file using external\ndata. Please wait.$"
+
 SystemText_SaveUpdated:
 	.string "The save file has been updated.$"
+
 SystemText_SaveUpdatedExchangeBackup:
 	.string "The save file has been updated.\pFurther game data cannot be saved\nto the backup memory.\pPlease exchange the backup memory.\pFor details, please contact the\nNintendo Service Center.$"
+
 SystemText_SaveNotUpdated:
 	.string "The save file could not be updated.\pPlease exchange the backup\nmemory.\pFor details, please contact the\nNintendo Service Center.$"
 
-gUnknown_0840DE81:: @ 840DE81
-SystemText_SaveCorrupt:
+gSaveFileCorruptMessage:: @ 840DE81
 	.string "The save file is corrupt. The\nprevious save file will be loaded.$"
 
-gUnknown_0840DEC2:: @ 840DEC2
-SystemText_SaveDeleted:
+gSaveFileDeletedMessage:: @ 840DEC2
 	.string " The save file has been deleted...$"
 
-gUnknown_0840DEE5:: @ 840DEE5
-SystemText_1MSubCircuitNotInstalled:
+gBoardNotInstalledMessage:: @ 840DEE5
 	.string "The 1M sub-circuit board is\nnot installed.$"
 
-gUnknown_0840DF10:: @ 840DF10
-SystemText_InternalBatteryIsDry:
+gBatteryDryMessage:: @ 840DF10
 	.string "The internal battery has run dry.\nThe game can be played.\pHowever, clock-based events will\nno longer occur.$"
 
-gUnknown_0840DF7C:: @ 840DF7C
-SystemText_Player2::
+gMainMenuString_Player:: @ 840DF7C
 	.string "PLAYER$"
 
-gUnknown_0840DF83:: @ 840DF83
-SystemText_Pokedex2::
+gMainMenuString_Pokedex:: @ 840DF83
 	.string "POKéDEX$"
 
-gUnknown_0840DF8B:: @ 840DF8B
-SystemText_Time::
+gMainMenuString_Time:: @ 840DF8B
 	.string "TIME$"
 
-gUnknown_0840DF90:: @ 840DF90
-SystemText_Badges::
+gMainMenuString_Badges:: @ 840DF90
 	.string "BADGES$"
 
 gBirchText_Boy::
diff --git a/iwram_syms.txt b/iwram_syms.txt
index 954308adb..a151b6eee 100644
--- a/iwram_syms.txt
+++ b/iwram_syms.txt
@@ -16,4 +16,6 @@ word_3004858 = 0x3004858;
 
 gTasks = 0x3004B20;
 
+gSaveFileStatus = 0x3005EB8;
+
 gMPlayMemAccArea = 0x3007440;
diff --git a/ld_script.txt b/ld_script.txt
index fbd9bafbb..2c7565e80 100644
--- a/ld_script.txt
+++ b/ld_script.txt
@@ -69,6 +69,7 @@ SECTIONS {
         src/string_util.o(.text);
         src/link.o(.text);
         src/rtc.o(.text);
+        src/main_menu.o(.text);
         asm/rom3.o(.text);
         src/rng.o(.text);
         asm/rom_8040EB4.o(.text);
diff --git a/src/main_menu.c b/src/main_menu.c
new file mode 100644
index 000000000..d6f62bac8
--- /dev/null
+++ b/src/main_menu.c
@@ -0,0 +1,605 @@
+#include "global.h"
+#include "text.h"
+#include "sprite.h"
+#include "task.h"
+#include "main.h"
+#include "rtc.h"
+#include "songs.h"
+#include "palette.h"
+
+extern u8 sub_8072080(void);
+extern void Print(u8 *, u8, u8);
+extern void CB2_ContinueSavedGame(void);
+extern void CB2_InitMysteryEventMenu(void);
+extern void CB2_InitOptionMenu(void);
+extern void CB2_InitTitleScreen(void);
+extern void FormatPlayTime(u8 *str, u16 hours, u16 minutes, bool16 colon);
+extern u8 *sub_8072C74(u8 *, u8 *, u8, u8);
+extern u16 GetPokedexSeenCount(void);
+extern u8 *sub_8072C14(u8 *, s32, u8, u8);
+extern u8 sub_80729D8(u8 *, u8, u16, u8);
+extern u8 GetBadgeCount(void);
+extern void Task_Birch1(u8);
+
+extern struct PaletteFadeControl gPaletteFade;
+extern u8 gSaveFileDeletedMessage[];
+extern u8 gSaveFileCorruptMessage[];
+extern u8 gBoardNotInstalledMessage[];
+extern u8 gBatteryDryMessage[];
+extern u16 gSaveFileStatus;
+extern u8 gMainMenuString_Continue[];
+extern u8 gMainMenuString_NewGame[];
+extern u8 gMainMenuString_MysteryEvents[];
+extern u8 gMainMenuString_Option[];
+extern u8 gMainMenuString_Player[];
+extern u8 gMainMenuString_Time[];
+extern u8 gMainMenuString_Pokedex[];
+extern u8 gMainMenuString_Badges[];
+
+void CB2_MainMenu(void);
+void VBlankCB_MainMenu(void);
+void CB2_InitMainMenu(void);
+static void sub_80096FC(void);
+static u32 InitMainMenu(bool8 a1);
+static void Task_CheckSave(u8 taskId);
+static void Task_WaitForSaveErrorAck(u8 taskId);
+static void Task_CheckRtc(u8 taskId);
+static void Task_WaitForRtcErrorAck(u8 taskId);
+static void Task_DrawMainMenu(u8 taskId);
+static void Task_HighlightCurrentMenuItem(u8 taskId);
+static bool8 MainMenuProcessKeyInput(u8 taskId);
+static void Task_MainMenuProcessKeyInput(u8 taskId);
+static void MainMenuPressedA(u8 taskId);
+static void MainMenuPressedB(u8 taskId);
+static void HighlightCurrentMenuItem(u8, u8);
+static void PrintMainMenuItem(u8 *text, u8, u8);
+static void PrintSaveFileInfo(void);
+static void PrintPlayerName(void);
+static void PrintPlayTime(void);
+static void PrintPokedexCount(void);
+static void PrintBadgeCount(void);
+
+extern u16 gMainMenuPalette[];
+
+void CB2_MainMenu(void)
+{
+    RunTasks();
+    AnimateSprites();
+    BuildOamBuffer();
+    UpdatePaletteFade();
+}
+
+void VBlankCB_MainMenu(void)
+{
+    LoadOam();
+    ProcessSpriteCopyRequests();
+    TransferPlttBuffer();
+}
+
+void CB2_InitMainMenu(void)
+{
+    InitMainMenu(FALSE);
+}
+
+static void sub_80096FC(void)
+{
+    InitMainMenu(TRUE);
+}
+
+u32 InitMainMenu(u8 a1)
+{
+    u16 savedIme;
+    u8 taskId;
+
+    SetVBlankCallback(NULL);
+
+    REG_DISPCNT = 0;
+    REG_BG2CNT = 0;
+    REG_BG1CNT = 0;
+    REG_BG0CNT = 0;
+    REG_BG2HOFS = 0;
+    REG_BG2VOFS = 0;
+    REG_BG1HOFS = 0;
+    REG_BG1VOFS = 0;
+    REG_BG0HOFS = 0;
+    REG_BG0VOFS = 0;
+
+    DmaFill16(3, 0, (void *)VRAM, VRAM_SIZE);
+    DmaFill32(3, 0, (void *)OAM, OAM_SIZE);
+    DmaFill16(3, 0, (void *)(PLTT + 2), PLTT_SIZE - 2);
+
+    ResetPaletteFade();
+    LoadPalette(gMainMenuPalette, 0, 32);
+    remove_some_task();
+    ResetTasks();
+    ResetSpriteData();
+    FreeAllSpritePalettes();
+    SetUpWindowConfig(&gWindowConfig_81E6C3C);
+    sub_8071C4C(&gWindowConfig_81E6CE4);
+
+    if (a1)
+        BeginNormalPaletteFade(-1, 0, 0x10u, 0, 0);
+    else
+        BeginNormalPaletteFade(-1, 0, 0x10u, 0, -1);
+
+    REG_WIN0H = 0;
+    REG_WIN0V = 0;
+    REG_WININ = 0;
+    REG_WINOUT = 0;
+    REG_BLDCNT = 0;
+    REG_BLDALPHA = 0;
+    REG_BLDY = 0;
+
+    savedIme = REG_IME;
+    REG_IME = 0;
+    REG_IE |= INTR_FLAG_VBLANK;
+    REG_IME = savedIme;
+
+    SetVBlankCallback(VBlankCB_MainMenu);
+    SetMainCallback2(CB2_MainMenu);
+
+    REG_DISPCNT = DISPCNT_OBJ_1D_MAP
+                | DISPCNT_BG0_ON
+                | DISPCNT_OBJ_ON
+                | DISPCNT_WIN0_ON;
+
+    taskId = CreateTask(Task_CheckSave, 0);
+    gTasks[taskId].data[1] = 0;
+
+    return 0;
+}
+
+void Task_CheckSave(u8 taskId)
+{
+    if (gPaletteFade.active)
+        return;
+
+    REG_WIN0H = 0;
+    REG_WIN0V = 0;
+    REG_WININ = 0x1111;
+    REG_WINOUT = 49;
+    REG_BLDCNT = 241;
+    REG_BLDALPHA = 0;
+    REG_BLDY = 7;
+
+    switch (gSaveFileStatus)
+    {
+    case 1:
+        if (sub_806918C() == TRUE)
+            gTasks[taskId].data[0] = 2;
+        else
+            gTasks[taskId].data[0] = 1;
+
+        gTasks[taskId].func = Task_CheckRtc;
+        break;
+    case 2:
+        DrawDefaultWindow(2, 14, 27, 19);
+        AddTextPrinterWithCallbackForMessage(gSaveFileDeletedMessage, 3, 15);
+        REG_WIN0H = 4575;
+        REG_WIN0V = 29087;
+        gTasks[taskId].data[0] = 0;
+        gTasks[taskId].func = Task_WaitForSaveErrorAck;
+        break;
+    case 255:
+        DrawDefaultWindow(2, 14, 27, 19);
+        AddTextPrinterWithCallbackForMessage(gSaveFileCorruptMessage, 3, 15);
+        REG_WIN0H = 4575;
+        REG_WIN0V = 29087;
+        gTasks[taskId].data[0] = 1;
+        gTasks[taskId].func = Task_WaitForSaveErrorAck;
+
+        if (sub_806918C() == TRUE)
+            gTasks[taskId].data[0] = 2;
+        else
+            gTasks[taskId].data[0] = 1;
+        break;
+    case 0:
+    default:
+        gTasks[taskId].data[0] = 0;
+        gTasks[taskId].func = Task_CheckRtc;
+        break;
+    case 4:
+        DrawDefaultWindow(2, 14, 27, 19);
+        AddTextPrinterWithCallbackForMessage(gBoardNotInstalledMessage, 3, 15);
+        REG_WIN0H = 4575;
+        REG_WIN0V = 29087;
+        gTasks[taskId].data[0] = 0;
+        gTasks[taskId].func = Task_WaitForSaveErrorAck;
+        return;
+    }
+}
+
+void Task_WaitForSaveErrorAck(u8 taskId)
+{
+    if (sub_8072080())
+    {
+        if (gMain.newKeys & A_BUTTON)
+        {
+            Reset(2, 14, 27, 19);
+            gTasks[taskId].func = Task_CheckRtc;
+        }
+    }
+}
+
+void Task_CheckRtc(u8 taskId)
+{
+    if (!gPaletteFade.active)
+    {
+        REG_WIN0H = 0;
+        REG_WIN0V = 0;
+        REG_WININ = 4369;
+        REG_WINOUT = 49;
+        REG_BLDCNT = 241;
+        REG_BLDALPHA = 0;
+        REG_BLDY = 7;
+
+        if (!(RtcGetErrorStatus() & RTC_ERR_FLAG_MASK))
+        {
+            gTasks[taskId].func = Task_DrawMainMenu;
+        }
+        else
+        {
+            DrawDefaultWindow(2, 14, 27, 19);
+            AddTextPrinterWithCallbackForMessage(gBatteryDryMessage, 3, 15);
+            REG_WIN0H = 4575;
+            REG_WIN0V = 29087;
+            gTasks[taskId].func = Task_WaitForRtcErrorAck;
+        }
+    }
+}
+
+void Task_WaitForRtcErrorAck(u8 taskId)
+{
+    if (sub_8072080())
+    {
+        if ( gMain.newKeys & 1 )
+        {
+            Reset(2, 14, 27, 19);
+            gTasks[taskId].func = Task_DrawMainMenu;
+        }
+    }
+}
+
+void Task_DrawMainMenu(u8 taskId)
+{
+    u16 palette;
+
+    if (!gPaletteFade.active)
+    {
+        REG_WIN0H = 0;
+        REG_WIN0V = 0;
+        REG_WININ = 4369;
+        REG_WINOUT = 49;
+        REG_BLDCNT = 241;
+        REG_BLDALPHA = 0;
+        REG_BLDY = 7;
+
+        palette = RGB(0, 0, 0);
+        LoadPalette(&palette, 254, 2);
+
+        if (gSaveBlock2.playerGender == MALE)
+        {
+            palette = RGB(4, 16, 31);
+            LoadPalette(&palette, 241, 2);
+        }
+        else
+        {
+            palette = RGB(31, 3, 21);
+            LoadPalette(&palette, 241, 2);
+        }
+
+        switch (gTasks[taskId].data[0])
+        {
+        case 0:
+        default:
+            DrawDefaultWindow(1, 0, 28, 3);
+            PrintMainMenuItem(gMainMenuString_NewGame, 2, 1);
+            DrawDefaultWindow(1, 4, 28, 7);
+            PrintMainMenuItem(gMainMenuString_Option, 2, 5);
+            break;
+        case 1:
+            DrawDefaultWindow(1, 0, 28, 7);
+            PrintMainMenuItem(gMainMenuString_Continue, 2, 1);
+            DrawDefaultWindow(1, 8, 28, 11);
+            PrintMainMenuItem(gMainMenuString_NewGame, 2, 9);
+            DrawDefaultWindow(1, 12, 28, 15);
+            PrintMainMenuItem(gMainMenuString_Option, 2, 13);
+            PrintSaveFileInfo();
+            break;
+        case 2:
+            DrawDefaultWindow(1, 0, 28, 7);
+            PrintMainMenuItem(gMainMenuString_Continue, 2, 1);
+            DrawDefaultWindow(1, 8, 28, 11);
+            PrintMainMenuItem(gMainMenuString_NewGame, 2, 9);
+            DrawDefaultWindow(1, 12, 28, 15);
+            PrintMainMenuItem(gMainMenuString_MysteryEvents, 2, 13);
+            DrawDefaultWindow(1, 16, 28, 19);
+            PrintMainMenuItem(gMainMenuString_Option, 2, 0x11);
+            PrintSaveFileInfo();
+            break;
+        }
+
+        gTasks[taskId].func = Task_HighlightCurrentMenuItem;
+    }
+}
+
+void Task_HighlightCurrentMenuItem(u8 taskId)
+{
+    HighlightCurrentMenuItem(gTasks[taskId].data[0], gTasks[taskId].data[1]);
+    gTasks[taskId].func = Task_MainMenuProcessKeyInput;
+}
+
+bool8 MainMenuProcessKeyInput(u8 taskId)
+{
+    if (gMain.newKeys & A_BUTTON)
+    {
+        audio_play(SE_SELECT);
+        BeginNormalPaletteFade(0xFFFFFFFF, 0, 0, 0x10, 0);
+        gTasks[taskId].func = MainMenuPressedA;
+    }
+    else if (gMain.newKeys & B_BUTTON)
+    {
+        audio_play(SE_SELECT);
+        BeginNormalPaletteFade(0xFFFFFFFF, 0, 0, 0x10, 0xFFFF);
+        REG_WIN0H = 240;
+        REG_WIN0V = 160;
+        gTasks[taskId].func = MainMenuPressedB;
+    }
+    else
+    {
+        s32 menuItemCount;
+
+        switch (gTasks[taskId].data[0])
+        {
+        case 0:
+        default:
+            menuItemCount = 2;
+            break;
+        case 1:
+            menuItemCount = 3;
+            break;
+        case 2:
+            menuItemCount = 4;
+            break;
+        }
+
+        if (gMain.newKeys & DPAD_UP)
+        {
+            if (gTasks[taskId].data[1] > 0)
+            {
+                gTasks[taskId].data[1]--;
+                return TRUE;
+            }
+        }
+        if (gMain.newKeys & DPAD_DOWN)
+        {
+            if (gTasks[taskId].data[1] < menuItemCount - 1)
+            {
+                gTasks[taskId].data[1]++;
+                return TRUE;
+            }
+        }
+    }
+
+    return FALSE;
+}
+
+void Task_MainMenuProcessKeyInput(u8 taskId)
+{
+    bool8 currentMenuItemChanged = MainMenuProcessKeyInput(taskId);
+    if (currentMenuItemChanged)
+        gTasks[taskId].func = Task_HighlightCurrentMenuItem;
+}
+
+void MainMenuPressedA(u8 taskId)
+{
+    enum
+    {
+        NEW_GAME,
+        CONTINUE,
+        OPTION,
+        MYSTERY_EVENTS,
+    } action;
+
+    if (gPaletteFade.active)
+        return;
+
+    switch (gTasks[taskId].data[0])
+    {
+    case 0:
+    default:
+        switch (gTasks[taskId].data[1])
+        {
+        case 0:
+        default:
+            action = NEW_GAME;
+            break;
+        case 1:
+            action = OPTION;
+            break;
+        }
+        break;
+    case 1:
+        switch (gTasks[taskId].data[1])
+        {
+        case 0:
+        default:
+            action = CONTINUE;
+            break;
+        case 1:
+            action = NEW_GAME;
+            break;
+        case 2:
+            action = OPTION;
+            break;
+        }
+        break;
+    case 2:
+        switch (gTasks[taskId].data[1])
+        {
+        case 0:
+        default:
+            action = CONTINUE;
+            break;
+        case 1:
+            action = NEW_GAME;
+            break;
+        case 2:
+            action = MYSTERY_EVENTS;
+            break;
+        case 3:
+            action = OPTION;
+            break;
+        }
+        break;
+    }
+
+    switch ((int)action)
+    {
+    case 0:
+    default:
+        gPlttBufferUnfaded[0] = 0;
+        gPlttBufferFaded[0] = 0;
+        gTasks[taskId].func = Task_Birch1;
+        break;
+    case 1:
+        gPlttBufferUnfaded[0] = 0;
+        gPlttBufferFaded[0] = 0;
+        SetMainCallback2(CB2_ContinueSavedGame);
+        DestroyTask(taskId);
+        break;
+    case 2:
+        gMain.field_8 = (u32)sub_80096FC;
+        SetMainCallback2(CB2_InitOptionMenu);
+        DestroyTask(taskId);
+        break;
+    case 3:
+        SetMainCallback2(CB2_InitMysteryEventMenu);
+        DestroyTask(taskId);
+        break;
+    }
+}
+
+void MainMenuPressedB(u8 taskId)
+{
+    if (!gPaletteFade.active)
+    {
+        SetMainCallback2(CB2_InitTitleScreen);
+        DestroyTask(taskId);
+    }
+}
+
+void HighlightCurrentMenuItem(u8 layout, u8 menuItem)
+{
+    REG_WIN0H = 2535;
+
+    switch (layout)
+    {
+    case 0:
+    default:
+        switch (menuItem)
+        {
+        case 0:
+        default:
+            REG_WIN0V = 287;
+            break;
+        case 1:
+            REG_WIN0V = 8511;
+            break;
+        }
+        break;
+    case 1:
+        switch (menuItem)
+        {
+        case 0:
+        default:
+            REG_WIN0V = 319;
+            break;
+        case 1:
+            REG_WIN0V = 16735;
+            break;
+        case 2:
+            REG_WIN0V = 24959;
+            break;
+        }
+        break;
+    case 2:
+        switch (menuItem)
+        {
+        case 0:
+        default:
+            REG_WIN0V = 319;
+            break;
+        case 1:
+            REG_WIN0V = 16735;
+            break;
+        case 2:
+            REG_WIN0V = 24959;
+            break;
+        case 3:
+            REG_WIN0V = 33183;
+            break;
+        }
+        break;
+    }
+}
+
+void PrintMainMenuItem(u8 *text, u8 left, u8 top)
+{
+    u8 i;
+    u8 buffer[32];
+
+    buffer[0] = 0xFC;
+    buffer[1] = 1;
+    buffer[2] = 14;
+
+    for (i = 0; i < 26; i++)
+        buffer[3 + i] = text[i];
+
+    buffer[29] = EOS;
+
+    Print(buffer, left, top);
+}
+
+void PrintSaveFileInfo(void)
+{
+    PrintPlayerName();
+    PrintPokedexCount();
+    PrintPlayTime();
+    PrintBadgeCount();
+}
+
+void PrintPlayerName(void)
+{
+    Print(gMainMenuString_Player, 2, 3);
+    Print(gSaveBlock2.playerName, 9, 3);
+}
+
+void PrintPlayTime(void)
+{
+    u8 playTime[16];
+    u8 alignedPlayTime[32];
+
+    Print(gMainMenuString_Time, 16, 3);
+    FormatPlayTime(playTime, gSaveBlock2.playTimeHours, gSaveBlock2.playTimeMinutes, 1);
+    sub_8072C74(alignedPlayTime, playTime, 48, 1);
+    Print(alignedPlayTime, 22, 3);
+}
+
+void PrintPokedexCount(void)
+{
+    u8 buffer[16];
+
+    Print(gMainMenuString_Pokedex, 2, 5);
+    sub_8072C14(buffer, GetPokedexSeenCount(), 18, 0);
+    Print(buffer, 9, 5);
+}
+
+void PrintBadgeCount(void)
+{
+    u8 buffer[16];
+
+    Print(gMainMenuString_Badges, 16, 5);
+    ConvertIntToDecimalString(buffer, GetBadgeCount());
+    sub_80729D8(buffer, 205, 40, 1);
+}