decompile nullsub_42 - PlayerHandleDMATransfer

2 files changed, 207 insertions, 713 deletions

diff --git a/asm/battle_6.s b/asm/battle_6.s
index 90c100c73..5d6319467 100644
--- a/asm/battle_6.s
+++ b/asm/battle_6.s
@@ -3675,712 +3675,6 @@ _08030378:
 
 .section .text_8030464
 
-	thumb_func_start nullsub_42
-nullsub_42: @ 8030464
-	bx lr
-	thumb_func_end nullsub_42
-
-	thumb_func_start sub_8030468
-sub_8030468: @ 8030468
-	push {lr}
-	sub sp, 0x4
-	ldr r1, _08030494 @ =0x0000ffff
-	ldr r3, _08030498 @ =0x00002d9f
-	movs r0, 0
-	str r0, [sp]
-	movs r2, 0xC
-	bl sub_814A5C0
-	bl sub_80304A8
-	ldr r1, _0803049C @ =gBattleBankFunc
-	ldr r0, _080304A0 @ =gActiveBank
-	ldrb r0, [r0]
-	lsls r0, 2
-	adds r0, r1
-	ldr r1, _080304A4 @ =sub_802C68C
-	str r1, [r0]
-	add sp, 0x4
-	pop {r0}
-	bx r0
-	.align 2, 0
-_08030494: .4byte 0x0000ffff
-_08030498: .4byte 0x00002d9f
-_0803049C: .4byte gBattleBankFunc
-_080304A0: .4byte gActiveBank
-_080304A4: .4byte sub_802C68C
-	thumb_func_end sub_8030468
-
-	thumb_func_start sub_80304A8
-sub_80304A8: @ 80304A8
-	push {r4,lr}
-	sub sp, 0x4
-	ldr r1, _08030510 @ =gUnknown_030042A4
-	movs r0, 0
-	strh r0, [r1]
-	ldr r1, _08030514 @ =gUnknown_030042A0
-	movs r2, 0xA0
-	lsls r2, 1
-	adds r0, r2, 0
-	strh r0, [r1]
-	bl sub_802E1B0
-	ldr r1, _08030518 @ =gUnknown_03004344
-	movs r0, 0xFF
-	strb r0, [r1]
-	ldr r1, _0803051C @ =gMoveSelectionCursor
-	ldr r4, _08030520 @ =gActiveBank
-	ldrb r0, [r4]
-	adds r0, r1
-	ldrb r0, [r0]
-	movs r1, 0
-	bl sub_802E3B4
-	ldr r1, _08030524 @ =gBattleBufferA
-	ldrb r0, [r4]
-	lsls r0, 9
-	adds r1, 0x2
-	adds r0, r1
-	ldrb r0, [r0]
-	cmp r0, 0x1
-	beq _08030500
-	ldr r4, _08030528 @ =gUnknown_03004210
-	ldr r1, _0803052C @ =gUnknown_08400D38
-	movs r2, 0xA4
-	lsls r2, 2
-	movs r0, 0x37
-	str r0, [sp]
-	adds r0, r4, 0
-	movs r3, 0x17
-	bl InitWindow
-	adds r0, r4, 0
-	bl sub_8002F44
-_08030500:
-	bl sub_802E220
-	bl sub_802E2D4
-	add sp, 0x4
-	pop {r4}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_08030510: .4byte gUnknown_030042A4
-_08030514: .4byte gUnknown_030042A0
-_08030518: .4byte gUnknown_03004344
-_0803051C: .4byte gMoveSelectionCursor
-_08030520: .4byte gActiveBank
-_08030524: .4byte gBattleBufferA
-_08030528: .4byte gUnknown_03004210
-_0803052C: .4byte gUnknown_08400D38
-	thumb_func_end sub_80304A8
-
-	thumb_func_start PlayerHandleOpenBag
-PlayerHandleOpenBag: @ 8030530
-	push {r4,r5,lr}
-	sub sp, 0x4
-	movs r0, 0x1
-	negs r0, r0
-	movs r1, 0
-	str r1, [sp]
-	movs r2, 0
-	movs r3, 0x10
-	bl BeginNormalPaletteFade
-	ldr r1, _0803057C @ =gBattleBankFunc
-	ldr r2, _08030580 @ =gActiveBank
-	ldrb r0, [r2]
-	lsls r0, 2
-	adds r0, r1
-	ldr r1, _08030584 @ =sub_802E004
-	str r1, [r0]
-	ldr r1, _08030588 @ =gBankInMenu
-	ldrb r0, [r2]
-	strb r0, [r1]
-	movs r3, 0
-	ldr r5, _0803058C @ =gUnknown_02038470
-	ldr r4, _08030590 @ =gBattleBufferA
-_0803055E:
-	adds r0, r3, r5
-	ldrb r1, [r2]
-	lsls r1, 9
-	adds r1, 0x1
-	adds r1, r3, r1
-	adds r1, r4
-	ldrb r1, [r1]
-	strb r1, [r0]
-	adds r3, 0x1
-	cmp r3, 0x2
-	ble _0803055E
-	add sp, 0x4
-	pop {r4,r5}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0803057C: .4byte gBattleBankFunc
-_08030580: .4byte gActiveBank
-_08030584: .4byte sub_802E004
-_08030588: .4byte gBankInMenu
-_0803058C: .4byte gUnknown_02038470
-_08030590: .4byte gBattleBufferA
-	thumb_func_end PlayerHandleOpenBag
-
-	thumb_func_start sub_8030594
-sub_8030594: @ 8030594
-	push {r4,r5,lr}
-	sub sp, 0x4
-	ldr r0, _08030644 @ =TaskDummy
-	movs r1, 0xFF
-	bl CreateTask
-	ldr r3, _08030648 @ =gUnknown_0300434C
-	ldr r5, _0803064C @ =gActiveBank
-	ldrb r1, [r5]
-	adds r1, r3
-	strb r0, [r1]
-	ldr r4, _08030650 @ =gTasks
-	ldrb r2, [r5]
-	adds r3, r2, r3
-	ldrb r0, [r3]
-	lsls r1, r0, 2
-	adds r1, r0
-	lsls r1, 3
-	adds r1, r4
-	ldr r4, _08030654 @ =gBattleBufferA
-	lsls r2, 9
-	adds r3, r4, 0x1
-	adds r2, r3
-	ldrb r2, [r2]
-	movs r0, 0xF
-	ands r0, r2
-	strh r0, [r1, 0x8]
-	ldr r2, _08030658 @ =0x02000000
-	ldrb r0, [r5]
-	lsls r0, 9
-	adds r0, r3
-	ldrb r0, [r0]
-	lsrs r0, 4
-	ldr r3, _0803065C @ =0x00016054
-	adds r1, r2, r3
-	strb r0, [r1]
-	ldrb r0, [r5]
-	lsls r0, 9
-	adds r1, r4, 0x2
-	adds r0, r1
-	ldrb r1, [r0]
-	adds r3, 0x49
-	adds r0, r2, r3
-	strb r1, [r0]
-	ldrb r0, [r5]
-	lsls r0, 9
-	adds r1, r4, 0x3
-	adds r0, r1
-	ldrb r0, [r0]
-	ldr r1, _08030660 @ =0x000160c0
-	adds r2, r1
-	strb r0, [r2]
-	movs r2, 0
-	ldr r3, _08030664 @ =gUnknown_02038470
-_08030600:
-	adds r0, r2, r3
-	ldrb r1, [r5]
-	lsls r1, 9
-	adds r1, 0x4
-	adds r1, r2, r1
-	adds r1, r4
-	ldrb r1, [r1]
-	strb r1, [r0]
-	adds r2, 0x1
-	cmp r2, 0x2
-	ble _08030600
-	movs r0, 0x1
-	negs r0, r0
-	movs r1, 0
-	str r1, [sp]
-	movs r2, 0
-	movs r3, 0x10
-	bl BeginNormalPaletteFade
-	ldr r1, _08030668 @ =gBattleBankFunc
-	ldr r2, _0803064C @ =gActiveBank
-	ldrb r0, [r2]
-	lsls r0, 2
-	adds r0, r1
-	ldr r1, _0803066C @ =sub_802DF30
-	str r1, [r0]
-	ldr r1, _08030670 @ =gBankInMenu
-	ldrb r0, [r2]
-	strb r0, [r1]
-	add sp, 0x4
-	pop {r4,r5}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_08030644: .4byte TaskDummy
-_08030648: .4byte gUnknown_0300434C
-_0803064C: .4byte gActiveBank
-_08030650: .4byte gTasks
-_08030654: .4byte gBattleBufferA
-_08030658: .4byte 0x02000000
-_0803065C: .4byte 0x00016054
-_08030660: .4byte 0x000160c0
-_08030664: .4byte gUnknown_02038470
-_08030668: .4byte gBattleBankFunc
-_0803066C: .4byte sub_802DF30
-_08030670: .4byte gBankInMenu
-	thumb_func_end sub_8030594
-
-	thumb_func_start sub_8030674
-sub_8030674: @ 8030674
-	push {lr}
-	sub sp, 0x4
-	bl sub_80325B8
-	movs r0, 0x1
-	negs r0, r0
-	movs r1, 0
-	str r1, [sp]
-	movs r1, 0x2
-	movs r2, 0
-	movs r3, 0x10
-	bl BeginNormalPaletteFade
-	bl PlayerBufferExecCompleted
-	add sp, 0x4
-	pop {r0}
-	bx r0
-	thumb_func_end sub_8030674
-
-	thumb_func_start PlayerHandleHealthBarUpdate
-PlayerHandleHealthBarUpdate: @ 8030698
-	push {r4-r7,lr}
-	mov r7, r9
-	mov r6, r8
-	push {r6,r7}
-	sub sp, 0x4
-	movs r0, 0
-	bl load_gfxc_health_bar
-	ldr r3, _08030710 @ =gBattleBufferA
-	ldr r0, _08030714 @ =gActiveBank
-	mov r9, r0
-	ldrb r4, [r0]
-	lsls r2, r4, 9
-	adds r0, r3, 0x2
-	adds r0, r2, r0
-	ldrb r1, [r0]
-	adds r3, 0x3
-	adds r2, r3
-	ldrb r0, [r2]
-	lsls r0, 8
-	orrs r1, r0
-	lsls r1, 16
-	asrs r7, r1, 16
-	ldr r0, _08030718 @ =0x00007fff
-	cmp r7, r0
-	beq _08030728
-	ldr r6, _0803071C @ =gBattlePartyID
-	lsls r0, r4, 1
-	adds r0, r6
-	ldrh r0, [r0]
-	movs r5, 0x64
-	muls r0, r5
-	ldr r4, _08030720 @ =gPlayerParty
-	adds r0, r4
-	movs r1, 0x3A
-	bl GetMonData
-	mov r8, r0
-	mov r1, r9
-	ldrb r0, [r1]
-	lsls r0, 1
-	adds r0, r6
-	ldrh r0, [r0]
-	muls r0, r5
-	adds r0, r4
-	movs r1, 0x39
-	bl GetMonData
-	adds r3, r0, 0
-	mov r1, r9
-	ldrb r0, [r1]
-	ldr r1, _08030724 @ =gHealthboxIDs
-	adds r1, r0, r1
-	ldrb r1, [r1]
-	str r7, [sp]
-	mov r2, r8
-	bl sub_8043D84
-	b _08030762
-	.align 2, 0
-_08030710: .4byte gBattleBufferA
-_08030714: .4byte gActiveBank
-_08030718: .4byte 0x00007fff
-_0803071C: .4byte gBattlePartyID
-_08030720: .4byte gPlayerParty
-_08030724: .4byte gHealthboxIDs
-_08030728:
-	ldr r1, _08030780 @ =gBattlePartyID
-	lsls r0, r4, 1
-	adds r0, r1
-	ldrh r1, [r0]
-	movs r0, 0x64
-	muls r0, r1
-	ldr r1, _08030784 @ =gPlayerParty
-	adds r0, r1
-	movs r1, 0x3A
-	bl GetMonData
-	adds r2, r0, 0
-	mov r1, r9
-	ldrb r0, [r1]
-	ldr r4, _08030788 @ =gHealthboxIDs
-	adds r1, r0, r4
-	ldrb r1, [r1]
-	str r7, [sp]
-	movs r3, 0
-	bl sub_8043D84
-	mov r1, r9
-	ldrb r0, [r1]
-	adds r0, r4
-	ldrb r0, [r0]
-	movs r1, 0
-	movs r2, 0
-	bl sub_80440EC
-_08030762:
-	ldr r1, _0803078C @ =gBattleBankFunc
-	ldr r0, _08030790 @ =gActiveBank
-	ldrb r0, [r0]
-	lsls r0, 2
-	adds r0, r1
-	ldr r1, _08030794 @ =bx_t1_healthbar_update
-	str r1, [r0]
-	add sp, 0x4
-	pop {r3,r4}
-	mov r8, r3
-	mov r9, r4
-	pop {r4-r7}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_08030780: .4byte gBattlePartyID
-_08030784: .4byte gPlayerParty
-_08030788: .4byte gHealthboxIDs
-_0803078C: .4byte gBattleBankFunc
-_08030790: .4byte gActiveBank
-_08030794: .4byte bx_t1_healthbar_update
-	thumb_func_end PlayerHandleHealthBarUpdate
-
-	thumb_func_start PlayerHandleExpBarUpdate
-PlayerHandleExpBarUpdate: @ 8030798
-	push {r4-r7,lr}
-	ldr r5, _080307C4 @ =gBattleBufferA
-	ldr r6, _080307C8 @ =gActiveBank
-	ldrb r0, [r6]
-	lsls r0, 9
-	adds r1, r5, 0x1
-	adds r0, r1
-	ldrb r7, [r0]
-	movs r0, 0x64
-	adds r1, r7, 0
-	muls r1, r0
-	ldr r0, _080307CC @ =gPlayerParty
-	adds r4, r1, r0
-	adds r0, r4, 0
-	movs r1, 0x38
-	bl GetMonData
-	cmp r0, 0x63
-	bls _080307D0
-	bl PlayerBufferExecCompleted
-	b _0803081C
-	.align 2, 0
-_080307C4: .4byte gBattleBufferA
-_080307C8: .4byte gActiveBank
-_080307CC: .4byte gPlayerParty
-_080307D0:
-	movs r0, 0x1
-	bl load_gfxc_health_bar
-	adds r0, r4, 0
-	movs r1, 0xB
-	bl GetMonData
-	ldrb r1, [r6]
-	lsls r1, 9
-	adds r0, r5, 0x2
-	adds r0, r1, r0
-	ldrb r4, [r0]
-	adds r0, r5, 0x3
-	adds r1, r0
-	ldrb r0, [r1]
-	lsls r0, 8
-	orrs r4, r0
-	ldr r0, _08030824 @ =sub_802D924
-	movs r1, 0xA
-	bl CreateTask
-	lsls r0, 24
-	lsrs r0, 24
-	ldr r2, _08030828 @ =gTasks
-	lsls r1, r0, 2
-	adds r1, r0
-	lsls r1, 3
-	adds r1, r2
-	strh r7, [r1, 0x8]
-	strh r4, [r1, 0xA]
-	ldrb r0, [r6]
-	strh r0, [r1, 0xC]
-	ldr r1, _0803082C @ =gBattleBankFunc
-	ldrb r0, [r6]
-	lsls r0, 2
-	adds r0, r1
-	ldr r1, _08030830 @ =nullsub_91
-	str r1, [r0]
-_0803081C:
-	pop {r4-r7}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_08030824: .4byte sub_802D924
-_08030828: .4byte gTasks
-_0803082C: .4byte gBattleBankFunc
-_08030830: .4byte nullsub_91
-	thumb_func_end PlayerHandleExpBarUpdate
-
-	thumb_func_start PlayerHandleStatusIconUpdate
-PlayerHandleStatusIconUpdate: @ 8030834
-	push {r4,lr}
-	ldr r4, _0803088C @ =gActiveBank
-	ldrb r0, [r4]
-	bl mplay_80342A4
-	lsls r0, 24
-	cmp r0, 0
-	bne _08030884
-	ldr r0, _08030890 @ =gHealthboxIDs
-	ldrb r1, [r4]
-	adds r0, r1, r0
-	ldrb r0, [r0]
-	ldr r2, _08030894 @ =gBattlePartyID
-	lsls r1, 1
-	adds r1, r2
-	ldrh r2, [r1]
-	movs r1, 0x64
-	muls r1, r2
-	ldr r2, _08030898 @ =gPlayerParty
-	adds r1, r2
-	movs r2, 0x9
-	bl sub_8045A5C
-	ldrb r0, [r4]
-	lsls r1, r0, 1
-	adds r1, r0
-	lsls r1, 2
-	ldr r0, _0803089C @ =0x02017810
-	adds r1, r0
-	ldrb r2, [r1]
-	movs r0, 0x11
-	negs r0, r0
-	ands r0, r2
-	strb r0, [r1]
-	ldr r1, _080308A0 @ =gBattleBankFunc
-	ldrb r0, [r4]
-	lsls r0, 2
-	adds r0, r1
-	ldr r1, _080308A4 @ =sub_802E434
-	str r1, [r0]
-_08030884:
-	pop {r4}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0803088C: .4byte gActiveBank
-_08030890: .4byte gHealthboxIDs
-_08030894: .4byte gBattlePartyID
-_08030898: .4byte gPlayerParty
-_0803089C: .4byte 0x02017810
-_080308A0: .4byte gBattleBankFunc
-_080308A4: .4byte sub_802E434
-	thumb_func_end PlayerHandleStatusIconUpdate
-
-	thumb_func_start PlayerHandleStatusAnimation
-PlayerHandleStatusAnimation: @ 80308A8
-	push {r4,r5,lr}
-	ldr r5, _08030900 @ =gActiveBank
-	ldrb r0, [r5]
-	bl mplay_80342A4
-	lsls r0, 24
-	cmp r0, 0
-	bne _080308F8
-	ldr r4, _08030904 @ =gBattleBufferA
-	ldrb r3, [r5]
-	lsls r3, 9
-	adds r0, r4, 0x1
-	adds r0, r3, r0
-	ldrb r0, [r0]
-	adds r1, r4, 0x2
-	adds r1, r3, r1
-	ldrb r1, [r1]
-	adds r2, r4, 0x3
-	adds r2, r3, r2
-	ldrb r2, [r2]
-	lsls r2, 8
-	orrs r1, r2
-	adds r2, r4, 0x4
-	adds r2, r3, r2
-	ldrb r2, [r2]
-	lsls r2, 16
-	orrs r1, r2
-	adds r4, 0x5
-	adds r3, r4
-	ldrb r2, [r3]
-	lsls r2, 24
-	orrs r1, r2
-	bl move_anim_start_t2_for_situation
-	ldr r1, _08030908 @ =gBattleBankFunc
-	ldrb r0, [r5]
-	lsls r0, 2
-	adds r0, r1
-	ldr r1, _0803090C @ =sub_802E434
-	str r1, [r0]
-_080308F8:
-	pop {r4,r5}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_08030900: .4byte gActiveBank
-_08030904: .4byte gBattleBufferA
-_08030908: .4byte gBattleBankFunc
-_0803090C: .4byte sub_802E434
-	thumb_func_end PlayerHandleStatusAnimation
-
-	thumb_func_start PlayerHandleStatusXor
-PlayerHandleStatusXor: @ 8030910
-	push {r4-r6,lr}
-	mov r6, r8
-	push {r6}
-	sub sp, 0x4
-	ldr r0, _0803096C @ =gBattlePartyID
-	mov r8, r0
-	ldr r4, _08030970 @ =gActiveBank
-	ldrb r0, [r4]
-	lsls r0, 1
-	add r0, r8
-	ldrh r0, [r0]
-	movs r6, 0x64
-	muls r0, r6
-	ldr r5, _08030974 @ =gPlayerParty
-	adds r0, r5
-	movs r1, 0x37
-	bl GetMonData
-	ldr r2, _08030978 @ =gBattleBufferA
-	ldrb r1, [r4]
-	lsls r1, 9
-	adds r2, 0x1
-	adds r1, r2
-	ldrb r1, [r1]
-	eors r0, r1
-	mov r1, sp
-	strb r0, [r1]
-	ldrb r0, [r4]
-	lsls r0, 1
-	add r0, r8
-	ldrh r0, [r0]
-	muls r0, r6
-	adds r0, r5
-	movs r1, 0x37
-	mov r2, sp
-	bl SetMonData
-	bl PlayerBufferExecCompleted
-	add sp, 0x4
-	pop {r3}
-	mov r8, r3
-	pop {r4-r6}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0803096C: .4byte gBattlePartyID
-_08030970: .4byte gActiveBank
-_08030974: .4byte gPlayerParty
-_08030978: .4byte gBattleBufferA
-	thumb_func_end PlayerHandleStatusXor
-
-	thumb_func_start sub_803097C
-sub_803097C: @ 803097C
-	push {lr}
-	bl PlayerBufferExecCompleted
-	pop {r0}
-	bx r0
-	thumb_func_end sub_803097C
-
-	thumb_func_start PlayerHandleDMATransfer
-PlayerHandleDMATransfer: @ 8030988
-	push {r4,r5,lr}
-	ldr r3, _080309EC @ =gBattleBufferA
-	ldr r0, _080309F0 @ =gActiveBank
-	ldrb r2, [r0]
-	lsls r2, 9
-	adds r0, r3, 0x1
-	adds r0, r2, r0
-	ldrb r5, [r0]
-	adds r0, r3, 0x2
-	adds r0, r2, r0
-	ldrb r0, [r0]
-	lsls r0, 8
-	orrs r5, r0
-	adds r0, r3, 0x3
-	adds r0, r2, r0
-	ldrb r0, [r0]
-	lsls r0, 16
-	orrs r5, r0
-	adds r0, r3, 0x4
-	adds r0, r2, r0
-	ldrb r4, [r0]
-	lsls r4, 24
-	adds r0, r3, 0x5
-	adds r0, r2, r0
-	ldrb r1, [r0]
-	adds r0, r3, 0x6
-	adds r0, r2, r0
-	ldrb r0, [r0]
-	lsls r0, 8
-	orrs r1, r0
-	lsls r1, 16
-	adds r3, 0x7
-	adds r2, r3
-	orrs r5, r4
-	lsrs r4, r1, 16
-	movs r0, 0x80
-	lsls r0, 5
-	cmp r4, r0
-	bhi _080309F8
-	ldr r0, _080309F4 @ =0x040000d4
-	str r2, [r0]
-	str r5, [r0, 0x4]
-	lsrs r1, 17
-	movs r2, 0x80
-	lsls r2, 24
-	orrs r1, r2
-	str r1, [r0, 0x8]
-	ldr r0, [r0, 0x8]
-	b _08030A24
-	.align 2, 0
-_080309EC: .4byte gBattleBufferA
-_080309F0: .4byte gActiveBank
-_080309F4: .4byte 0x040000d4
-_080309F8:
-	ldr r3, _08030A30 @ =0x040000d4
-	str r2, [r3]
-	str r5, [r3, 0x4]
-	ldr r0, _08030A34 @ =0x80000800
-	str r0, [r3, 0x8]
-	ldr r0, [r3, 0x8]
-	movs r0, 0x80
-	lsls r0, 5
-	adds r2, r0
-	adds r5, r0
-	ldr r1, _08030A38 @ =0xfffff000
-	adds r4, r1
-	cmp r4, r0
-	bhi _080309F8
-	str r2, [r3]
-	str r5, [r3, 0x4]
-	lsrs r0, r4, 1
-	movs r1, 0x80
-	lsls r1, 24
-	orrs r0, r1
-	str r0, [r3, 0x8]
-	ldr r0, [r3, 0x8]
-_08030A24:
-	bl PlayerBufferExecCompleted
-	pop {r4,r5}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_08030A30: .4byte 0x040000d4
-_08030A34: .4byte 0x80000800
-_08030A38: .4byte 0xfffff000
-	thumb_func_end PlayerHandleDMATransfer
-
 	thumb_func_start sub_8030A3C
 sub_8030A3C: @ 8030A3C
 	push {lr}
diff --git a/src/battle_6.c b/src/battle_6.c
index df2419f70..e835f79e9 100644
--- a/src/battle_6.c
+++ b/src/battle_6.c
@@ -1,7 +1,11 @@
 #include "global.h"
 #include "battle.h"
+#include "battle_interface.h"
 #include "battle_message.h"
 #include "menu_cursor.h"
+#include "palette.h"
+#include "pokemon.h"
+#include "task.h"
 #include "text.h"
 
 extern u16 gUnknown_030042A4;
@@ -14,16 +18,26 @@ extern void (*gBattleBankFunc[])(void);
 extern u8 gActiveBank;
 extern u8 gActionSelectionCursor[];
 extern u8 gDisplayedStringBattle[];
+extern u8 gMoveSelectionCursor[];
+extern u8 gBattleBufferA[][0x200];
+extern u8 gBankInMenu;
+extern u16 gBattlePartyID[];
+extern u8 gHealthboxIDs[];
 
-extern u16 gUnknown_030042C0;
-extern u16 gUnknown_030041B4;
-extern u16 gUnknown_03004288;
-extern u16 gUnknown_03004280;
+extern u8 gUnknown_02038470[];
 extern u16 gUnknown_030041B0;
+extern u16 gUnknown_030041B4;
 extern u16 gUnknown_030041B8;
+extern u16 gUnknown_03004280;
+extern u16 gUnknown_03004288;
+extern u16 gUnknown_030042A4;
+extern u16 gUnknown_030042C0;
+extern u8 gUnknown_03004344;
+extern u8 gUnknown_0300434C[];
 
 extern const u8 gUnknown_08400CA8[];
 extern const u8 gUnknown_08400CF3[];
+extern const u8 gUnknown_08400D38[];
 
 #if ENGLISH
 #define SUB_803037C_TILE_DATA_OFFSET 440
@@ -31,7 +45,26 @@ extern const u8 gUnknown_08400CF3[];
 #define SUB_803037C_TILE_DATA_OFFSET 444
 #endif
 
-void sub_803037C(void) {
+extern void sub_802C68C(void);
+extern void sub_802E1B0(void);
+extern void sub_802E3B4();
+extern void sub_802E220();
+extern void sub_802E2D4();
+extern void sub_802E004(void);
+extern void sub_802DF30(void);
+extern void sub_80325B8(void);
+extern void PlayerBufferExecCompleted(void);
+extern void bx_t1_healthbar_update(void);
+extern void nullsub_91(void);
+extern void sub_802D924(u8);
+extern void sub_802E434(void);
+extern bool8 mplay_80342A4(u8);
+extern void move_anim_start_t2_for_situation();
+
+void sub_80304A8(void);
+
+void sub_803037C(void)
+{
     int r4;
 
     gUnknown_030042A4 = 0;
@@ -46,9 +79,7 @@ void sub_803037C(void) {
     sub_814A5C0(0, 0xFFFF, 12, 11679, 0);
 
     for (r4 = 0; r4 < 4; r4++)
-    {
         nullsub_8(r4);
-    }
 
     sub_802E3E4(gActionSelectionCursor[gActiveBank], 0);
 
@@ -56,3 +87,172 @@ void sub_803037C(void) {
     InitWindow(&gUnknown_03004210, gDisplayedStringBattle, SUB_803037C_TILE_DATA_OFFSET, 2, 35);
     sub_8002F44(&gUnknown_03004210);
 }
+
+void nullsub_42()
+{
+}
+
+void sub_8030468(void)
+{
+	sub_814A5C0(0, 0xFFFF, 12, 0x2D9F, 0);
+	sub_80304A8();
+	gBattleBankFunc[gActiveBank] = sub_802C68C;
+}
+
+void sub_80304A8(void)
+{
+	gUnknown_030042A4 = 0;
+	gUnknown_030042A0 = 320;
+	sub_802E1B0();
+	gUnknown_03004344 = 0xFF;
+	sub_802E3B4(gMoveSelectionCursor[gActiveBank], 0);
+	if (gBattleBufferA[gActiveBank][2] != 1)
+	{
+		InitWindow(&gUnknown_03004210, gUnknown_08400D38, 656, 23, 55);
+		sub_8002F44(&gUnknown_03004210);
+	}
+	sub_802E220();
+	sub_802E2D4();
+}
+
+void PlayerHandleOpenBag(void)
+{
+	s32 i;
+
+	BeginNormalPaletteFade(0xFFFFFFFF, 0, 0, 16, 0);
+	gBattleBankFunc[gActiveBank] = sub_802E004;
+	gBankInMenu = gActiveBank;
+	for (i = 0; i < 3; i++)
+		gUnknown_02038470[i] = gBattleBufferA[gActiveBank][1 + i];
+}
+
+void sub_8030594(void)
+{
+	s32 i;
+
+	gUnknown_0300434C[gActiveBank] = CreateTask(TaskDummy, 0xFF);
+	gTasks[gUnknown_0300434C[gActiveBank]].data[0] = gBattleBufferA[gActiveBank][1] & 0xF;
+	ewram[0x16054] = gBattleBufferA[gActiveBank][1] >> 4;
+	ewram[0x1609D] = gBattleBufferA[gActiveBank][2];
+	ewram[0x160C0] = gBattleBufferA[gActiveBank][3];
+	for (i = 0; i < 3; i++)
+		gUnknown_02038470[i] = gBattleBufferA[gActiveBank][4 + i];
+	BeginNormalPaletteFade(0xFFFFFFFF, 0, 0, 16, 0);
+	gBattleBankFunc[gActiveBank] = sub_802DF30;
+	gBankInMenu = gActiveBank;
+}
+
+void sub_8030674(void)
+{
+	sub_80325B8();
+	BeginNormalPaletteFade(0xFFFFFFFF, 2, 0, 16, 0);
+	PlayerBufferExecCompleted();
+}
+
+void PlayerHandleHealthBarUpdate(void)
+{
+	s16 r7;
+
+	load_gfxc_health_bar(0);
+	r7 = gBattleBufferA[gActiveBank][2] | (gBattleBufferA[gActiveBank][3] << 8);
+	if (r7 != 0x7FFF)
+	{
+		u32 maxHP = GetMonData(&gPlayerParty[gBattlePartyID[gActiveBank]], MON_DATA_MAX_HP);
+		u32 curHP = GetMonData(&gPlayerParty[gBattlePartyID[gActiveBank]], MON_DATA_HP);
+
+		sub_8043D84(gActiveBank, gHealthboxIDs[gActiveBank], maxHP, curHP, r7);
+	}
+	else
+	{
+		u32 maxHP = GetMonData(&gPlayerParty[gBattlePartyID[gActiveBank]], MON_DATA_MAX_HP);
+
+		sub_8043D84(gActiveBank, gHealthboxIDs[gActiveBank], maxHP, 0, r7);
+		sub_80440EC(gHealthboxIDs[gActiveBank], 0, 0);
+	}
+	gBattleBankFunc[gActiveBank] = bx_t1_healthbar_update;
+}
+
+void PlayerHandleExpBarUpdate(void)
+{
+	u8 r7 = gBattleBufferA[gActiveBank][1];
+
+	if (GetMonData(&gPlayerParty[r7], MON_DATA_LEVEL) >= 100)
+	{
+		PlayerBufferExecCompleted();
+	}
+	else
+	{
+		u16 r4;
+		u8 taskId;
+
+		load_gfxc_health_bar(1);
+		GetMonData(&gPlayerParty[r7], MON_DATA_SPECIES);  // unused return value
+		r4 = gBattleBufferA[gActiveBank][2] | (gBattleBufferA[gActiveBank][3] << 8);
+		taskId = CreateTask(sub_802D924, 10);
+		gTasks[taskId].data[0] = r7;
+		gTasks[taskId].data[1] = r4;
+		gTasks[taskId].data[2] = gActiveBank;
+		gBattleBankFunc[gActiveBank] = nullsub_91;
+	}
+}
+
+void PlayerHandleStatusIconUpdate(void)
+{
+	if (!mplay_80342A4(gActiveBank))
+	{
+		sub_8045A5C(gHealthboxIDs[gActiveBank], &gPlayerParty[gBattlePartyID[gActiveBank]], 9);
+		ewram17810[gActiveBank].unk0_4 = 0;
+		gBattleBankFunc[gActiveBank] = sub_802E434;
+	}
+}
+
+void PlayerHandleStatusAnimation(void)
+{
+	if (!mplay_80342A4(gActiveBank))
+	{
+		move_anim_start_t2_for_situation(
+		  gBattleBufferA[gActiveBank][1],
+		  gBattleBufferA[gActiveBank][2] | (gBattleBufferA[gActiveBank][3] << 8) | (gBattleBufferA[gActiveBank][4] << 16) | (gBattleBufferA[gActiveBank][5] << 24));
+		gBattleBankFunc[gActiveBank] = sub_802E434;
+	}
+}
+
+void PlayerHandleStatusXor(void)
+{
+	u8 val = GetMonData(&gPlayerParty[gBattlePartyID[gActiveBank]], MON_DATA_STATUS) ^ gBattleBufferA[gActiveBank][1];
+
+	SetMonData(&gPlayerParty[gBattlePartyID[gActiveBank]], MON_DATA_STATUS, &val);
+	PlayerBufferExecCompleted();
+}
+
+void sub_803097C(void)
+{
+	PlayerBufferExecCompleted();
+}
+
+void PlayerHandleDMATransfer(void)
+{
+	u32 val1 = gBattleBufferA[gActiveBank][1]
+			| (gBattleBufferA[gActiveBank][2] << 8)
+			| (gBattleBufferA[gActiveBank][3] << 16)
+			| (gBattleBufferA[gActiveBank][4] << 24);
+	u16 val2 = gBattleBufferA[gActiveBank][5] | (gBattleBufferA[gActiveBank][6] << 8);
+
+	const u8 *src = &gBattleBufferA[gActiveBank][7];
+	u8 *dst = (u8 *)val1;
+	u32 size = val2;
+
+	while (1)
+	{
+		if (size <= 0x1000)
+		{
+			DmaCopy16(3, src, dst, size);
+			break;
+		}
+		DmaCopy16(3, src, dst, 0x1000);
+		src += 0x1000;
+		dst += 0x1000;
+		size -= 0x1000;
+	}
+	PlayerBufferExecCompleted();
+}