Merge pull request #519 from camthesaxman/label_unknown_task

label scanline effect routines

13 files changed, 188 insertions, 188 deletions

diff --git a/asm/battle_anim_812C144.s b/asm/battle_anim_812C144.s
index 02eec98ec..8a6a8fffa 100644
--- a/asm/battle_anim_812C144.s
+++ b/asm/battle_anim_812C144.s
@@ -1752,7 +1752,7 @@ _0812CE70:
 	ldrsh r0, [r5, r6]
 	cmp r1, r0
 	bgt _0812CEA6
-	ldr r4, _0812CEB0 @ =gUnknown_03004DE0
+	ldr r4, _0812CEB0 @ =gScanlineEffectRegBuffers
 	movs r0, 0xF0
 	lsls r0, 3
 	adds r0, r4
@@ -1777,7 +1777,7 @@ _0812CEA6:
 	ldr r0, _0812CEB4 @ =REG_BG1HOFS
 	b _0812CEBA
 	.align 2, 0
-_0812CEB0: .4byte gUnknown_03004DE0
+_0812CEB0: .4byte gScanlineEffectRegBuffers
 _0812CEB4: .4byte REG_BG1HOFS
 _0812CEB8:
 	ldr r0, _0812CEE4 @ =REG_BG2HOFS
@@ -1794,7 +1794,7 @@ _0812CEBA:
 	ldr r0, [sp]
 	ldr r1, [sp, 0x4]
 	ldr r2, [sp, 0x8]
-	bl sub_80895F8
+	bl ScanlineEffect_SetParams
 	ldr r0, _0812CEEC @ =sub_812CEF0
 	str r0, [r5]
 	add sp, 0xC
@@ -1889,7 +1889,7 @@ _0812CF74:
 	ldrsh r0, [r4, r2]
 	cmp r1, r0
 	bge _0812CFA8
-	ldr r5, _0812D000 @ =gUnknown_03004DE0
+	ldr r5, _0812D000 @ =gScanlineEffectRegBuffers
 	movs r0, 0xF0
 	lsls r0, 3
 	adds r6, r5, r0
@@ -1917,7 +1917,7 @@ _0812CFA8:
 	ldrsh r0, [r4, r2]
 	cmp r1, r0
 	bgt _0812CFDC
-	ldr r5, _0812D000 @ =gUnknown_03004DE0
+	ldr r5, _0812D000 @ =gScanlineEffectRegBuffers
 	movs r0, 0xF0
 	lsls r0, 3
 	adds r6, r5, r0
@@ -1946,7 +1946,7 @@ _0812CFDC:
 	ldrsh r0, [r4, r1]
 	cmp r0, 0
 	beq _0812CFF2
-	ldr r1, _0812D004 @ =gUnknown_03004DC0
+	ldr r1, _0812D004 @ =gScanlineEffect
 	movs r0, 0x3
 	strb r0, [r1, 0x15]
 _0812CFF2:
@@ -1957,8 +1957,8 @@ _0812CFF8:
 	pop {r0}
 	bx r0
 	.align 2, 0
-_0812D000: .4byte gUnknown_03004DE0
-_0812D004: .4byte gUnknown_03004DC0
+_0812D000: .4byte gScanlineEffectRegBuffers
+_0812D004: .4byte gScanlineEffect
 	thumb_func_end sub_812CEF0
 
 	thumb_func_start sub_812D008
@@ -6545,7 +6545,7 @@ _0812F3EE:
 	ldrh r3, [r0]
 	movs r7, 0
 	movs r2, 0
-	ldr r6, _0812F468 @ =gUnknown_03004DE0
+	ldr r6, _0812F468 @ =gScanlineEffectRegBuffers
 	movs r0, 0xF0
 	lsls r0, 3
 	adds r0, r6
@@ -6586,7 +6586,7 @@ _0812F3FE:
 	ldr r0, [sp]
 	ldr r1, [sp, 0x4]
 	ldr r2, [sp, 0x8]
-	bl sub_80895F8
+	bl ScanlineEffect_SetParams
 	ldr r0, _0812F470 @ =sub_812F474
 	str r0, [r4]
 	add sp, 0xC
@@ -6599,7 +6599,7 @@ _0812F458: .4byte REG_BLDCNT
 _0812F45C: .4byte 0x00003f44
 _0812F460: .4byte gBattle_BG2_X
 _0812F464: .4byte gBattle_BG2_Y
-_0812F468: .4byte gUnknown_03004DE0
+_0812F468: .4byte gScanlineEffectRegBuffers
 _0812F46C: .4byte 0xa6600001
 _0812F470: .4byte sub_812F474
 	thumb_func_end sub_812F314
@@ -6711,7 +6711,7 @@ _0812F4EA:
 	ldrsh r0, [r6, r3]
 	cmp r1, r0
 	ble _0812F60A
-	ldr r0, _0812F660 @ =gUnknown_03004DC0
+	ldr r0, _0812F660 @ =gScanlineEffect
 	mov r10, r0
 	ldr r1, [sp, 0x4]
 	lsls r0, r1, 16
@@ -6732,7 +6732,7 @@ _0812F55A:
 	subs r0, r1
 	lsls r0, 7
 	adds r2, r0
-	ldr r0, _0812F664 @ =gUnknown_03004DE0
+	ldr r0, _0812F664 @ =gScanlineEffectRegBuffers
 	adds r2, r0
 	lsls r4, 16
 	asrs r4, 16
@@ -6750,7 +6750,7 @@ _0812F55A:
 	subs r0, r1
 	lsls r0, 7
 	adds r3, r0
-	ldr r1, _0812F664 @ =gUnknown_03004DE0
+	ldr r1, _0812F664 @ =gScanlineEffectRegBuffers
 	adds r3, r1
 	lsls r1, r7, 16
 	asrs r1, 16
@@ -6814,7 +6814,7 @@ _0812F60A:
 	lsls r1, r2, 17
 	cmp r1, 0
 	blt _0812F636
-	ldr r4, _0812F664 @ =gUnknown_03004DE0
+	ldr r4, _0812F664 @ =gScanlineEffectRegBuffers
 	ldr r7, [sp, 0x4]
 	lsls r0, r7, 16
 	asrs r0, 16
@@ -6856,8 +6856,8 @@ _0812F636:
 	strh r0, [r6, 0xE]
 	b _0812F676
 	.align 2, 0
-_0812F660: .4byte gUnknown_03004DC0
-_0812F664: .4byte gUnknown_03004DE0
+_0812F660: .4byte gScanlineEffect
+_0812F664: .4byte gScanlineEffectRegBuffers
 _0812F668: .4byte gSineTable
 _0812F66C: .4byte 0xffff0000
 _0812F670:
@@ -6898,14 +6898,14 @@ _0812F6A6:
 	asrs r0, 16
 	cmp r0, 0xC
 	ble _0812F712
-	ldr r1, _0812F6C0 @ =gUnknown_03004DC0
+	ldr r1, _0812F6C0 @ =gScanlineEffect
 	movs r0, 0x3
 	strb r0, [r1, 0x15]
 	movs r0, 0
 	strh r0, [r6, 0xC]
 	b _0812F700
 	.align 2, 0
-_0812F6C0: .4byte gUnknown_03004DC0
+_0812F6C0: .4byte gScanlineEffect
 _0812F6C4:
 	ldrh r0, [r6, 0xC]
 	adds r0, 0x1
diff --git a/asm/battle_intro.s b/asm/battle_intro.s
index 4bfcf42fb..3f3c58a65 100755
--- a/asm/battle_intro.s
+++ b/asm/battle_intro.s
@@ -299,9 +299,9 @@ _080E45E6:
 	strh r0, [r1, 0xC]
 _080E45FE:
 	movs r3, 0
-	ldr r5, _080E46A0 @ =gUnknown_03004DC0
+	ldr r5, _080E46A0 @ =gScanlineEffect
 	mov r9, r5
-	ldr r7, _080E46A4 @ =gUnknown_03004DE0
+	ldr r7, _080E46A4 @ =gScanlineEffectRegBuffers
 	mov r6, r9
 	adds r5, r1, 0
 _080E460A:
@@ -319,8 +319,8 @@ _080E460A:
 	ble _080E460A
 	cmp r3, 0x9F
 	bgt _080E464E
-	ldr r7, _080E46A4 @ =gUnknown_03004DE0
-	ldr r6, _080E46A0 @ =gUnknown_03004DC0
+	ldr r7, _080E46A4 @ =gScanlineEffectRegBuffers
+	ldr r6, _080E46A0 @ =gScanlineEffect
 	ldr r1, _080E46A8 @ =gTasks
 	mov r2, r12
 	adds r0, r2, r4
@@ -377,8 +377,8 @@ _080E4690: .4byte gBattle_BG1_Y
 _080E4694: .4byte 0x0000ffc8
 _080E4698: .4byte gBattle_WIN0V
 _080E469C: .4byte 0xfffffc04
-_080E46A0: .4byte gUnknown_03004DC0
-_080E46A4: .4byte gUnknown_03004DE0
+_080E46A0: .4byte gScanlineEffect
+_080E46A4: .4byte gScanlineEffectRegBuffers
 _080E46A8: .4byte gTasks
 _080E46AC: .4byte 0x0600e000
 _080E46B0: .4byte 0x05000200
@@ -669,9 +669,9 @@ _080E48CC:
 	strh r0, [r1, 0xC]
 _080E48E0:
 	movs r3, 0
-	ldr r4, _080E4978 @ =gUnknown_03004DC0
+	ldr r4, _080E4978 @ =gScanlineEffect
 	mov r8, r4
-	ldr r0, _080E497C @ =gUnknown_03004DE0
+	ldr r0, _080E497C @ =gScanlineEffectRegBuffers
 	mov r12, r0
 	mov r7, r8
 	adds r4, r1, 0
@@ -690,9 +690,9 @@ _080E48EE:
 	ble _080E48EE
 	cmp r3, 0x9F
 	bgt _080E4932
-	ldr r1, _080E497C @ =gUnknown_03004DE0
+	ldr r1, _080E497C @ =gScanlineEffectRegBuffers
 	mov r12, r1
-	ldr r7, _080E4978 @ =gUnknown_03004DC0
+	ldr r7, _080E4978 @ =gScanlineEffect
 	ldr r1, _080E4980 @ =gTasks
 	adds r0, r6, r5
 	lsls r0, 3
@@ -745,8 +745,8 @@ _080E4932:
 	.align 2, 0
 _080E4970: .4byte gBattle_WIN0V
 _080E4974: .4byte 0xfffffc04
-_080E4978: .4byte gUnknown_03004DC0
-_080E497C: .4byte gUnknown_03004DE0
+_080E4978: .4byte gScanlineEffect
+_080E497C: .4byte gScanlineEffectRegBuffers
 _080E4980: .4byte gTasks
 _080E4984: .4byte 0x0600e000
 _080E4988: .4byte 0x05000200
@@ -978,9 +978,9 @@ _080E4B3A:
 	strh r0, [r1, 0xC]
 _080E4B50:
 	movs r3, 0
-	ldr r6, _080E4BE8 @ =gUnknown_03004DC0
+	ldr r6, _080E4BE8 @ =gScanlineEffect
 	mov r8, r6
-	ldr r7, _080E4BEC @ =gUnknown_03004DE0
+	ldr r7, _080E4BEC @ =gScanlineEffectRegBuffers
 	adds r5, r1, 0
 _080E4B5A:
 	lsls r2, r3, 1
@@ -997,8 +997,8 @@ _080E4B5A:
 	ble _080E4B5A
 	cmp r3, 0x9F
 	bgt _080E4B9E
-	ldr r7, _080E4BEC @ =gUnknown_03004DE0
-	ldr r6, _080E4BE8 @ =gUnknown_03004DC0
+	ldr r7, _080E4BEC @ =gScanlineEffectRegBuffers
+	ldr r6, _080E4BE8 @ =gScanlineEffect
 	ldr r1, _080E4BF0 @ =gTasks
 	mov r2, r12
 	adds r0, r2, r4
@@ -1053,8 +1053,8 @@ _080E4B9E:
 	.align 2, 0
 _080E4BE0: .4byte gBattle_WIN0V
 _080E4BE4: .4byte 0xfffffc04
-_080E4BE8: .4byte gUnknown_03004DC0
-_080E4BEC: .4byte gUnknown_03004DE0
+_080E4BE8: .4byte gScanlineEffect
+_080E4BEC: .4byte gScanlineEffectRegBuffers
 _080E4BF0: .4byte gTasks
 _080E4BF4: .4byte 0x0600e000
 _080E4BF8: .4byte 0x05000200
@@ -1323,9 +1323,9 @@ _080E4E00:
 	strh r0, [r1, 0xC]
 _080E4E16:
 	movs r3, 0
-	ldr r0, _080E4EA4 @ =gUnknown_03004DC0
+	ldr r0, _080E4EA4 @ =gScanlineEffect
 	mov r9, r0
-	ldr r2, _080E4EA8 @ =gUnknown_03004DE0
+	ldr r2, _080E4EA8 @ =gScanlineEffectRegBuffers
 	mov r8, r2
 	mov r7, r9
 	adds r4, r1, 0
@@ -1344,9 +1344,9 @@ _080E4E24:
 	ble _080E4E24
 	cmp r3, 0x9F
 	bgt _080E4E68
-	ldr r0, _080E4EA8 @ =gUnknown_03004DE0
+	ldr r0, _080E4EA8 @ =gScanlineEffectRegBuffers
 	mov r8, r0
-	ldr r7, _080E4EA4 @ =gUnknown_03004DC0
+	ldr r7, _080E4EA4 @ =gScanlineEffect
 	ldr r1, _080E4EAC @ =gTasks
 	adds r0, r5, r6
 	lsls r0, 3
@@ -1395,8 +1395,8 @@ _080E4E94:
 	.align 2, 0
 _080E4E9C: .4byte gBattle_WIN0V
 _080E4EA0: .4byte 0xfffffc04
-_080E4EA4: .4byte gUnknown_03004DC0
-_080E4EA8: .4byte gUnknown_03004DE0
+_080E4EA4: .4byte gScanlineEffect
+_080E4EA8: .4byte gScanlineEffectRegBuffers
 _080E4EAC: .4byte gTasks
 _080E4EB0: .4byte REG_BG1CNT
 _080E4EB4:
diff --git a/asm/contest_link_80C2020.s b/asm/contest_link_80C2020.s
index 71788c918..6eac528df 100644
--- a/asm/contest_link_80C2020.s
+++ b/asm/contest_link_80C2020.s
@@ -94,9 +94,9 @@ sub_80C2020: @ 80C2020
 	strh r2, [r0]
 	ldr r0, _080C2128 @ =gBattle_BG2_Y
 	strh r2, [r0]
-	ldr r0, _080C212C @ =gUnknown_030041B0
+	ldr r0, _080C212C @ =gBattle_BG3_X
 	strh r2, [r0]
-	ldr r0, _080C2130 @ =gUnknown_030041B8
+	ldr r0, _080C2130 @ =gBattle_BG3_Y
 	strh r2, [r0]
 	ldr r0, _080C2134 @ =gBattle_WIN0H
 	strh r2, [r0]
@@ -125,8 +125,8 @@ _080C211C: .4byte gBattle_BG1_X
 _080C2120: .4byte gBattle_BG1_Y
 _080C2124: .4byte gBattle_BG2_X
 _080C2128: .4byte gBattle_BG2_Y
-_080C212C: .4byte gUnknown_030041B0
-_080C2130: .4byte gUnknown_030041B8
+_080C212C: .4byte gBattle_BG3_X
+_080C2130: .4byte gBattle_BG3_Y
 _080C2134: .4byte gBattle_WIN0H
 _080C2138: .4byte gBattle_WIN0V
 _080C213C: .4byte gBattle_WIN1H
@@ -396,7 +396,7 @@ sub_80C2358: @ 80C2358
 	movs r0, 0
 	bl SetVBlankCallback
 	bl sub_80C2020
-	bl dp12_8087EA4
+	bl ScanlineEffect_Clear
 	bl ResetPaletteFade
 	bl ResetSpriteData
 	bl ResetTasks
@@ -506,11 +506,11 @@ sub_80C2448: @ 80C2448
 	ldrh r0, [r0]
 	strh r0, [r1]
 	adds r1, 0x2
-	ldr r0, _080C24DC @ =gUnknown_030041B0
+	ldr r0, _080C24DC @ =gBattle_BG3_X
 	ldrh r0, [r0]
 	strh r0, [r1]
 	adds r1, 0x2
-	ldr r0, _080C24E0 @ =gUnknown_030041B8
+	ldr r0, _080C24E0 @ =gBattle_BG3_Y
 	ldrh r0, [r0]
 	strh r0, [r1]
 	adds r1, 0x22
@@ -532,7 +532,7 @@ sub_80C2448: @ 80C2448
 	bl LoadOam
 	bl ProcessSpriteCopyRequests
 	bl TransferPlttBuffer
-	bl sub_8089668
+	bl ScanlineEffect_InitHBlankDmaTransfer
 	pop {r0}
 	bx r0
 	.align 2, 0
@@ -543,8 +543,8 @@ _080C24CC: .4byte gBattle_BG1_X
 _080C24D0: .4byte gBattle_BG1_Y
 _080C24D4: .4byte gBattle_BG2_X
 _080C24D8: .4byte gBattle_BG2_Y
-_080C24DC: .4byte gUnknown_030041B0
-_080C24E0: .4byte gUnknown_030041B8
+_080C24DC: .4byte gBattle_BG3_X
+_080C24E0: .4byte gBattle_BG3_Y
 _080C24E4: .4byte gBattle_WIN0H
 _080C24E8: .4byte gBattle_WIN0V
 _080C24EC: .4byte gBattle_WIN1H
@@ -1826,11 +1826,11 @@ _080C2F24: .4byte c2_exit_to_overworld_1_continue_scripts_restart_music
 	thumb_func_start sub_80C2F28
 sub_80C2F28: @ 80C2F28
 	push {r4,r5,lr}
-	ldr r2, _080C2F5C @ =gUnknown_030041B0
+	ldr r2, _080C2F5C @ =gBattle_BG3_X
 	ldrh r3, [r2]
 	adds r0, r3, 0x2
 	strh r0, [r2]
-	ldr r4, _080C2F60 @ =gUnknown_030041B8
+	ldr r4, _080C2F60 @ =gBattle_BG3_Y
 	ldrh r5, [r4]
 	adds r1, r5, 0x1
 	strh r1, [r4]
@@ -1854,8 +1854,8 @@ _080C2F56:
 	pop {r0}
 	bx r0
 	.align 2, 0
-_080C2F5C: .4byte gUnknown_030041B0
-_080C2F60: .4byte gUnknown_030041B8
+_080C2F5C: .4byte gBattle_BG3_X
+_080C2F60: .4byte gBattle_BG3_Y
 	thumb_func_end sub_80C2F28
 
 	thumb_func_start sub_80C2F64
diff --git a/asm/dark.s b/asm/dark.s
index f3274861c..9e09d8fbe 100755
--- a/asm/dark.s
+++ b/asm/dark.s
@@ -386,7 +386,7 @@ _080E01F4:
 	movs r0, 0x3
 	bl sub_80E08CC
 	movs r3, 0
-	ldr r4, _080E0290 @ =gUnknown_03004DE0
+	ldr r4, _080E0290 @ =gScanlineEffectRegBuffers
 	movs r0, 0xF0
 	lsls r0, 3
 	adds r6, r4, r0
@@ -406,7 +406,7 @@ _080E0220:
 	ldr r0, [sp]
 	ldr r1, [sp, 0x4]
 	ldr r2, [sp, 0x8]
-	bl sub_80895F8
+	bl ScanlineEffect_SetParams
 	ldr r1, _080E0294 @ =REG_WINOUT
 	movs r0, 0x3F
 	eors r7, r0
@@ -441,7 +441,7 @@ _080E0280: .4byte 0x00003f44
 _080E0284: .4byte REG_BG2VOFS
 _080E0288: .4byte gBattle_BG1_X
 _080E028C: .4byte 0xa2600001
-_080E0290: .4byte gUnknown_03004DE0
+_080E0290: .4byte gScanlineEffectRegBuffers
 _080E0294: .4byte REG_WINOUT
 _080E0298: .4byte gBattle_WIN0H
 _080E029C: .4byte gBattle_WIN0V
@@ -575,7 +575,7 @@ _080E0380:
 	.align 2, 0
 _080E0398: .4byte gBattle_WIN0H
 _080E039C:
-	ldr r1, _080E03AC @ =gUnknown_03004DC0
+	ldr r1, _080E03AC @ =gScanlineEffect
 	movs r0, 0x3
 	strb r0, [r1, 0x15]
 _080E03A2:
@@ -584,7 +584,7 @@ _080E03A2:
 	strh r0, [r4, 0x8]
 	b _080E03B6
 	.align 2, 0
-_080E03AC: .4byte gUnknown_03004DC0
+_080E03AC: .4byte gScanlineEffect
 _080E03B0:
 	adds r0, r2, 0
 	bl DestroyAnimVisualTask
@@ -786,7 +786,7 @@ _080E054E:
 	str r0, [sp, 0xC]
 	movs r3, 0
 	add r4, sp, 0xC
-	ldr r6, _080E059C @ =gUnknown_03004DE0
+	ldr r6, _080E059C @ =gScanlineEffectRegBuffers
 	movs r0, 0xF0
 	lsls r0, 3
 	adds r7, r6, r0
@@ -815,7 +815,7 @@ _080E055C:
 	strb r2, [r4, 0x9]
 	ldr r0, [sp, 0xC]
 	ldr r2, [r4, 0x8]
-	bl sub_80895F8
+	bl ScanlineEffect_SetParams
 _080E0590:
 	ldrh r0, [r5, 0x8]
 	adds r0, 0x1
@@ -823,7 +823,7 @@ _080E0590:
 	b _080E05F2
 	.align 2, 0
 _080E0598: .4byte REG_BG2VOFS
-_080E059C: .4byte gUnknown_03004DE0
+_080E059C: .4byte gScanlineEffectRegBuffers
 _080E05A0: .4byte 0xa2600001
 _080E05A4:
 	movs r1, 0xE
@@ -1043,7 +1043,7 @@ _080E0732:
 	.align 2, 0
 _080E0750: .4byte REG_BLDALPHA
 _080E0754:
-	ldr r1, _080E0764 @ =gUnknown_03004DC0
+	ldr r1, _080E0764 @ =gScanlineEffect
 	movs r0, 0x3
 	strb r0, [r1, 0x15]
 _080E075A:
@@ -1052,7 +1052,7 @@ _080E075A:
 	strh r0, [r4, 0x8]
 	b _080E0784
 	.align 2, 0
-_080E0764: .4byte gUnknown_03004DC0
+_080E0764: .4byte gScanlineEffect
 _080E0768:
 	ldr r0, _080E078C @ =gBattle_WIN0H
 	movs r1, 0
@@ -1102,9 +1102,9 @@ sub_80E079C: @ 80E079C
 	movs r4, 0
 	cmp r0, 0
 	ble _080E07FC
-	ldr r0, _080E0888 @ =gUnknown_03004DE0
+	ldr r0, _080E0888 @ =gScanlineEffectRegBuffers
 	mov r12, r0
-	ldr r7, _080E088C @ =gUnknown_03004DC0
+	ldr r7, _080E088C @ =gScanlineEffect
 _080E07D0:
 	lsls r2, r4, 16
 	asrs r2, 16
@@ -1136,9 +1136,9 @@ _080E07FC:
 	ldrsh r0, [r6, r2]
 	cmp r1, r0
 	bgt _080E0846
-	ldr r0, _080E0888 @ =gUnknown_03004DE0
+	ldr r0, _080E0888 @ =gScanlineEffectRegBuffers
 	mov r12, r0
-	ldr r7, _080E088C @ =gUnknown_03004DC0
+	ldr r7, _080E088C @ =gScanlineEffect
 _080E0810:
 	asrs r4, r3, 16
 	cmp r4, 0
@@ -1179,8 +1179,8 @@ _080E0846:
 	ldrsh r0, [r6, r3]
 	cmp r1, r0
 	bge _080E08BE
-	ldr r7, _080E0888 @ =gUnknown_03004DE0
-	ldr r4, _080E088C @ =gUnknown_03004DC0
+	ldr r7, _080E0888 @ =gScanlineEffectRegBuffers
+	ldr r4, _080E088C @ =gScanlineEffect
 _080E085E:
 	asrs r3, r2, 16
 	cmp r3, 0
@@ -1204,15 +1204,15 @@ _080E0876:
 	blt _080E085E
 	b _080E08BE
 	.align 2, 0
-_080E0888: .4byte gUnknown_03004DE0
-_080E088C: .4byte gUnknown_03004DC0
+_080E0888: .4byte gScanlineEffectRegBuffers
+_080E088C: .4byte gScanlineEffect
 _080E0890:
 	movs r1, 0x1C
 	ldrsh r0, [r6, r1]
 	adds r5, r0, 0
 	adds r5, 0x9F
 	movs r4, 0
-	ldr r3, _080E08C8 @ =gUnknown_03004DE0
+	ldr r3, _080E08C8 @ =gScanlineEffectRegBuffers
 	movs r2, 0xF0
 	lsls r2, 3
 	adds r6, r3, r2
@@ -1238,7 +1238,7 @@ _080E08BE:
 	pop {r0}
 	bx r0
 	.align 2, 0
-_080E08C8: .4byte gUnknown_03004DE0
+_080E08C8: .4byte gScanlineEffectRegBuffers
 	thumb_func_end sub_80E079C
 
 	thumb_func_start sub_80E08CC
diff --git a/asm/dragon.s b/asm/dragon.s
index 7c4ea0547..59fdc4b68 100755
--- a/asm/dragon.s
+++ b/asm/dragon.s
@@ -510,7 +510,7 @@ _080DF996:
 	ldrsh r0, [r4, r1]
 	cmp r3, r0
 	bgt _080DF9C4
-	ldr r5, _080DF9EC @ =gUnknown_03004DE0
+	ldr r5, _080DF9EC @ =gScanlineEffectRegBuffers
 	movs r0, 0xF0
 	lsls r0, 3
 	adds r6, r5, r0
@@ -533,7 +533,7 @@ _080DF9C4:
 	ldr r0, [sp]
 	ldr r1, [sp, 0x4]
 	ldr r2, [sp, 0x8]
-	bl sub_80895F8
+	bl ScanlineEffect_SetParams
 	ldr r0, _080DF9F0 @ =sub_80DF9F4
 	str r0, [r4]
 	add sp, 0xC
@@ -545,7 +545,7 @@ _080DF9DC: .4byte REG_BG2HOFS
 _080DF9E0: .4byte gBattle_BG2_X
 _080DF9E4: .4byte 0xa2600001
 _080DF9E8: .4byte gAnimBankAttacker
-_080DF9EC: .4byte gUnknown_03004DE0
+_080DF9EC: .4byte gScanlineEffectRegBuffers
 _080DF9F0: .4byte sub_80DF9F4
 	thumb_func_end sub_80DF924
 
@@ -630,7 +630,7 @@ _080DFA8A:
 	bl sub_80DFAB0
 	b _080DFAAA
 _080DFA92:
-	ldr r1, _080DFAA0 @ =gUnknown_03004DC0
+	ldr r1, _080DFAA0 @ =gScanlineEffect
 	movs r0, 0x3
 	strb r0, [r1, 0x15]
 	ldrh r0, [r2, 0x8]
@@ -638,7 +638,7 @@ _080DFA92:
 	strh r0, [r2, 0x8]
 	b _080DFAAA
 	.align 2, 0
-_080DFAA0: .4byte gUnknown_03004DC0
+_080DFAA0: .4byte gScanlineEffect
 _080DFAA4:
 	adds r0, r3, 0
 	bl DestroyAnimVisualTask
@@ -659,11 +659,11 @@ sub_80DFAB0: @ 80DFAB0
 	ldrsh r0, [r5, r1]
 	cmp r4, r0
 	bgt _080DFB06
-	ldr r7, _080DFB1C @ =gUnknown_03004DE0
+	ldr r7, _080DFB1C @ =gScanlineEffectRegBuffers
 	mov r12, r7
 	ldr r0, _080DFB20 @ =gSineTable
 	mov r8, r0
-	ldr r6, _080DFB24 @ =gUnknown_03004DC0
+	ldr r6, _080DFB24 @ =gScanlineEffect
 _080DFACE:
 	lsls r2, r4, 1
 	ldrb r1, [r6, 0x14]
@@ -705,9 +705,9 @@ _080DFB06:
 	pop {r0}
 	bx r0
 	.align 2, 0
-_080DFB1C: .4byte gUnknown_03004DE0
+_080DFB1C: .4byte gScanlineEffectRegBuffers
 _080DFB20: .4byte gSineTable
-_080DFB24: .4byte gUnknown_03004DC0
+_080DFB24: .4byte gScanlineEffect
 	thumb_func_end sub_80DFAB0
 
 	thumb_func_start sub_80DFB28
diff --git a/asm/fight.s b/asm/fight.s
index d0d042113..1969aee14 100755
--- a/asm/fight.s
+++ b/asm/fight.s
@@ -1688,7 +1688,7 @@ _080D9CDE:
 	lsls r0, 24
 	cmp r0, 0
 	bne _080D9D14
-	ldr r1, _080D9D10 @ =gUnknown_030041B0
+	ldr r1, _080D9D10 @ =gBattle_BG3_X
 	ldrh r0, [r4, 0x1A]
 	lsls r0, 16
 	asrs r0, 24
@@ -1699,9 +1699,9 @@ _080D9CDE:
 	b _080D9D24
 	.align 2, 0
 _080D9D0C: .4byte gAnimBankTarget
-_080D9D10: .4byte gUnknown_030041B0
+_080D9D10: .4byte gBattle_BG3_X
 _080D9D14:
-	ldr r2, _080D9D64 @ =gUnknown_030041B0
+	ldr r2, _080D9D64 @ =gBattle_BG3_X
 	ldrh r1, [r4, 0x1A]
 	lsls r1, 16
 	asrs r1, 24
@@ -1710,7 +1710,7 @@ _080D9D14:
 	strh r0, [r2]
 	adds r7, r2, 0
 _080D9D24:
-	ldr r3, _080D9D68 @ =gUnknown_030041B8
+	ldr r3, _080D9D68 @ =gBattle_BG3_Y
 	ldrh r2, [r4, 0x1C]
 	lsls r0, r2, 16
 	asrs r0, 24
@@ -1741,8 +1741,8 @@ _080D9D5C:
 	pop {r0}
 	bx r0
 	.align 2, 0
-_080D9D64: .4byte gUnknown_030041B0
-_080D9D68: .4byte gUnknown_030041B8
+_080D9D64: .4byte gBattle_BG3_X
+_080D9D68: .4byte gBattle_BG3_Y
 _080D9D6C: .4byte gBattleAnimArgs
 	thumb_func_end sub_80D9C80
 	
diff --git a/asm/ghost.s b/asm/ghost.s
index 0db176d08..daf7cd9a5 100755
--- a/asm/ghost.s
+++ b/asm/ghost.s
@@ -1334,7 +1334,7 @@ _080DE584:
 _080DE59C:
 	movs r2, 0x2
 	movs r3, 0x6
-	bl sub_8089944
+	bl ScanlineEffect_InitWave
 	lsls r0, 24
 	lsrs r0, 24
 	strh r0, [r5, 0x1C]
@@ -1507,7 +1507,7 @@ _080DE6E8:
 	beq _080DE740
 	b _080DE7AA
 _080DE6EE:
-	ldr r1, _080DE710 @ =gUnknown_03004DC0
+	ldr r1, _080DE710 @ =gScanlineEffect
 	movs r0, 0x3
 	strb r0, [r1, 0x15]
 	movs r0, 0x1
@@ -1523,7 +1523,7 @@ _080DE6EE:
 	ldr r0, _080DE714 @ =0x0000fdff
 	b _080DE720
 	.align 2, 0
-_080DE710: .4byte gUnknown_03004DC0
+_080DE710: .4byte gScanlineEffect
 _080DE714: .4byte 0x0000fdff
 _080DE718:
 	movs r2, 0x80
diff --git a/asm/ground.s b/asm/ground.s
index fd4cecbfd..e846d1c70 100755
--- a/asm/ground.s
+++ b/asm/ground.s
@@ -631,7 +631,7 @@ _080E13D6:
 _080E13F8: .4byte gBattle_BG2_Y
 _080E13FC: .4byte gSprites
 _080E1400:
-	ldr r1, _080E1410 @ =gUnknown_03004DC0
+	ldr r1, _080E1410 @ =gScanlineEffect
 	movs r0, 0x3
 	strb r0, [r1, 0x15]
 _080E1406:
@@ -640,7 +640,7 @@ _080E1406:
 	strh r0, [r4, 0x8]
 	b _080E1432
 	.align 2, 0
-_080E1410: .4byte gUnknown_03004DC0
+_080E1410: .4byte gScanlineEffect
 _080E1414:
 	adds r0, r2, 0
 	bl DestroyAnimVisualTask
@@ -925,7 +925,7 @@ _080E161C:
 	ldrsh r0, [r0, r1]
 	cmp r0, 0
 	bne _080E1662
-	ldr r1, _080E1658 @ =gUnknown_03004DC0
+	ldr r1, _080E1658 @ =gScanlineEffect
 	movs r0, 0x3
 	strb r0, [r1, 0x15]
 _080E164A:
@@ -935,7 +935,7 @@ _080E164A:
 	b _080E1662
 	.align 2, 0
 _080E1654: .4byte gSprites
-_080E1658: .4byte gUnknown_03004DC0
+_080E1658: .4byte gScanlineEffect
 _080E165C:
 	adds r0, r2, 0
 	bl DestroyAnimVisualTask
@@ -980,7 +980,7 @@ _080E169C:
 	asrs r4, r0, 16
 	cmp r2, r0
 	bge _080E16C8
-	ldr r5, _080E1720 @ =gUnknown_03004DE0
+	ldr r5, _080E1720 @ =gScanlineEffectRegBuffers
 	movs r0, 0xF0
 	lsls r0, 3
 	adds r6, r5, r0
@@ -1003,7 +1003,7 @@ _080E16C8:
 	asrs r0, r1, 16
 	cmp r0, 0x9F
 	bgt _080E16F6
-	ldr r4, _080E1720 @ =gUnknown_03004DE0
+	ldr r4, _080E1720 @ =gScanlineEffectRegBuffers
 	lsls r0, r3, 16
 	asrs r0, 16
 	adds r3, r0, 0
@@ -1035,7 +1035,7 @@ _080E16F6:
 	ldr r0, [sp]
 	ldr r1, [sp, 0x4]
 	ldr r2, [sp, 0x8]
-	bl sub_80895F8
+	bl ScanlineEffect_SetParams
 	add sp, 0xC
 	pop {r4-r6}
 	pop {r0}
@@ -1043,7 +1043,7 @@ _080E16F6:
 	.align 2, 0
 _080E1718: .4byte gBattle_BG2_X
 _080E171C: .4byte REG_BG2HOFS
-_080E1720: .4byte gUnknown_03004DE0
+_080E1720: .4byte gScanlineEffectRegBuffers
 _080E1724: .4byte 0xa2600001
 	thumb_func_end sub_80E1668
 
@@ -1243,14 +1243,14 @@ _080E189C:
 	beq _080E18C8
 	cmp r0, 0x5
 	bne _080E1908
-	ldr r0, _080E18C0 @ =gUnknown_030041B0
+	ldr r0, _080E18C0 @ =gBattle_BG3_X
 	ldrh r0, [r0]
 	strh r0, [r4, 0x22]
 	ldr r0, _080E18C4 @ =sub_80E1934
 	b _080E1926
 	.align 2, 0
 _080E18BC: .4byte gAnimMovePower
-_080E18C0: .4byte gUnknown_030041B0
+_080E18C0: .4byte gBattle_BG3_X
 _080E18C4: .4byte sub_80E1934
 _080E18C8:
 	movs r0, 0
@@ -1351,16 +1351,16 @@ _080E1962:
 	ands r0, r1
 	cmp r0, 0
 	bne _080E198C
-	ldr r1, _080E1988 @ =gUnknown_030041B0
+	ldr r1, _080E1988 @ =gBattle_BG3_X
 	ldrh r0, [r3, 0x26]
 	ldrh r2, [r3, 0x22]
 	adds r0, r2
 	strh r0, [r1]
 	b _080E1996
 	.align 2, 0
-_080E1988: .4byte gUnknown_030041B0
+_080E1988: .4byte gBattle_BG3_X
 _080E198C:
-	ldr r0, _080E19B4 @ =gUnknown_030041B0
+	ldr r0, _080E19B4 @ =gBattle_BG3_X
 	ldrh r1, [r3, 0x22]
 	ldrh r2, [r3, 0x26]
 	subs r1, r2
@@ -1382,7 +1382,7 @@ _080E1996:
 	strh r0, [r3, 0x24]
 	b _080E1A0C
 	.align 2, 0
-_080E19B4: .4byte gUnknown_030041B0
+_080E19B4: .4byte gBattle_BG3_X
 _080E19B8:
 	ldrh r0, [r3, 0xA]
 	adds r0, 0x1
@@ -1397,16 +1397,16 @@ _080E19B8:
 	ands r1, r0
 	cmp r1, 0
 	bne _080E19E4
-	ldr r1, _080E19E0 @ =gUnknown_030041B0
+	ldr r1, _080E19E0 @ =gBattle_BG3_X
 	ldrh r0, [r3, 0x24]
 	ldrh r2, [r3, 0x22]
 	adds r0, r2
 	strh r0, [r1]
 	b _080E19EE
 	.align 2, 0
-_080E19E0: .4byte gUnknown_030041B0
+_080E19E0: .4byte gBattle_BG3_X
 _080E19E4:
-	ldr r0, _080E1A14 @ =gUnknown_030041B0
+	ldr r0, _080E1A14 @ =gBattle_BG3_X
 	ldrh r1, [r3, 0x22]
 	ldrh r2, [r3, 0x24]
 	subs r1, r2
@@ -1433,9 +1433,9 @@ _080E1A0C:
 	strh r0, [r3, 0x8]
 	b _080E1A24
 	.align 2, 0
-_080E1A14: .4byte gUnknown_030041B0
+_080E1A14: .4byte gBattle_BG3_X
 _080E1A18:
-	ldr r1, _080E1A28 @ =gUnknown_030041B0
+	ldr r1, _080E1A28 @ =gBattle_BG3_X
 	ldrh r0, [r3, 0x22]
 	strh r0, [r1]
 	adds r0, r2, 0
@@ -1444,7 +1444,7 @@ _080E1A24:
 	pop {r0}
 	bx r0
 	.align 2, 0
-_080E1A28: .4byte gUnknown_030041B0
+_080E1A28: .4byte gBattle_BG3_X
 	thumb_func_end sub_80E1934
 
 	thumb_func_start sub_80E1A2C
@@ -1719,10 +1719,10 @@ _080E1BE2:
 	movs r0, 0xFF
 	ands r1, r0
 	strh r1, [r4, 0xC]
-	ldr r2, _080E1C50 @ =gUnknown_030041B0
+	ldr r2, _080E1C50 @ =gBattle_BG3_X
 	ldrh r0, [r4, 0xA]
 	strh r0, [r2]
-	ldr r0, _080E1C54 @ =gUnknown_030041B8
+	ldr r0, _080E1C54 @ =gBattle_BG3_Y
 	strh r1, [r0]
 	ldrh r0, [r6, 0x4]
 	strh r0, [r4, 0xE]
@@ -1736,8 +1736,8 @@ _080E1C40: .4byte gAnimBankAttacker
 _080E1C44: .4byte sub_80E1C58
 _080E1C48: .4byte gTasks
 _080E1C4C: .4byte 0x000001ff
-_080E1C50: .4byte gUnknown_030041B0
-_080E1C54: .4byte gUnknown_030041B8
+_080E1C50: .4byte gBattle_BG3_X
+_080E1C54: .4byte gBattle_BG3_Y
 	thumb_func_end sub_80E1BB0
 
 	thumb_func_start sub_80E1C58
@@ -1757,10 +1757,10 @@ sub_80E1C58: @ 80E1C58
 	ldrsh r0, [r2, r4]
 	cmp r1, r0
 	bne _080E1C98
-	ldr r0, _080E1C90 @ =gUnknown_030041B0
+	ldr r0, _080E1C90 @ =gBattle_BG3_X
 	movs r1, 0
 	strh r1, [r0]
-	ldr r0, _080E1C94 @ =gUnknown_030041B8
+	ldr r0, _080E1C94 @ =gBattle_BG3_Y
 	strh r1, [r0]
 	adds r0, r3, 0
 	bl DestroyTask
@@ -1768,13 +1768,13 @@ sub_80E1C58: @ 80E1C58
 	.align 2, 0
 _080E1C88: .4byte gTasks
 _080E1C8C: .4byte gBattleAnimArgs
-_080E1C90: .4byte gUnknown_030041B0
-_080E1C94: .4byte gUnknown_030041B8
+_080E1C90: .4byte gBattle_BG3_X
+_080E1C94: .4byte gBattle_BG3_Y
 _080E1C98:
-	ldr r1, _080E1CAC @ =gUnknown_030041B0
+	ldr r1, _080E1CAC @ =gBattle_BG3_X
 	ldrh r0, [r2, 0xA]
 	strh r0, [r1]
-	ldr r1, _080E1CB0 @ =gUnknown_030041B8
+	ldr r1, _080E1CB0 @ =gBattle_BG3_Y
 	ldrh r0, [r2, 0xC]
 	strh r0, [r1]
 _080E1CA4:
@@ -1782,8 +1782,8 @@ _080E1CA4:
 	pop {r0}
 	bx r0
 	.align 2, 0
-_080E1CAC: .4byte gUnknown_030041B0
-_080E1CB0: .4byte gUnknown_030041B8
+_080E1CAC: .4byte gBattle_BG3_X
+_080E1CB0: .4byte gBattle_BG3_Y
 	thumb_func_end sub_80E1C58
 	
 	.align 2, 0 @ Don't pad with nop.
diff --git a/asm/normal.s b/asm/normal.s
index a800b348a..8465e2c2b 100755
--- a/asm/normal.s
+++ b/asm/normal.s
@@ -1103,15 +1103,15 @@ _080E24F0:
 	beq _080E2508
 	b _080E2518
 _080E24F6:
-	ldr r1, _080E24FC @ =gUnknown_030041B0
+	ldr r1, _080E24FC @ =gBattle_BG3_X
 	b _080E250A
 	.align 2, 0
-_080E24FC: .4byte gUnknown_030041B0
+_080E24FC: .4byte gBattle_BG3_X
 _080E2500:
-	ldr r1, _080E2504 @ =gUnknown_030041B8
+	ldr r1, _080E2504 @ =gBattle_BG3_Y
 	b _080E250A
 	.align 2, 0
-_080E2504: .4byte gUnknown_030041B8
+_080E2504: .4byte gBattle_BG3_Y
 _080E2508:
 	ldr r1, _080E2514 @ =gSpriteCoordOffsetX
 _080E250A:
@@ -1359,10 +1359,10 @@ sub_80E26BC: @ 80E26BC
 	strh r1, [r2, 0xE]
 	ldrh r1, [r3, 0x6]
 	strh r1, [r2, 0x18]
-	ldr r4, _080E2704 @ =gUnknown_030041B0
+	ldr r4, _080E2704 @ =gBattle_BG3_X
 	ldrh r1, [r3]
 	strh r1, [r4]
-	ldr r4, _080E2708 @ =gUnknown_030041B8
+	ldr r4, _080E2708 @ =gBattle_BG3_Y
 	ldrh r1, [r3, 0x2]
 	strh r1, [r4]
 	ldr r1, _080E270C @ =sub_80E2710
@@ -1374,8 +1374,8 @@ sub_80E26BC: @ 80E26BC
 	.align 2, 0
 _080E26FC: .4byte gTasks
 _080E2700: .4byte gBattleAnimArgs
-_080E2704: .4byte gUnknown_030041B0
-_080E2708: .4byte gUnknown_030041B8
+_080E2704: .4byte gBattle_BG3_X
+_080E2708: .4byte gBattle_BG3_Y
 _080E270C: .4byte sub_80E2710
 	thumb_func_end sub_80E26BC
 
@@ -1395,7 +1395,7 @@ sub_80E2710: @ 80E2710
 	mov r12, r1
 	cmp r0, 0
 	bne _080E2796
-	ldr r0, _080E2744 @ =gUnknown_030041B0
+	ldr r0, _080E2744 @ =gBattle_BG3_X
 	ldrh r2, [r0]
 	movs r7, 0x8
 	ldrsh r1, [r3, r7]
@@ -1407,12 +1407,12 @@ sub_80E2710: @ 80E2710
 	b _080E274A
 	.align 2, 0
 _080E2740: .4byte gTasks
-_080E2744: .4byte gUnknown_030041B0
+_080E2744: .4byte gBattle_BG3_X
 _080E2748:
 	ldrh r0, [r3, 0x8]
 _080E274A:
 	strh r0, [r6]
-	ldr r2, _080E2768 @ =gUnknown_030041B8
+	ldr r2, _080E2768 @ =gBattle_BG3_Y
 	ldrh r3, [r2]
 	lsls r1, r5, 2
 	adds r0, r1, r5
@@ -1426,7 +1426,7 @@ _080E274A:
 	movs r0, 0
 	b _080E2770
 	.align 2, 0
-_080E2768: .4byte gUnknown_030041B8
+_080E2768: .4byte gBattle_BG3_Y
 _080E276C:
 	ldrh r0, [r4, 0xA]
 	negs r0, r0
@@ -3905,13 +3905,13 @@ sub_80E3AD0: @ 80E3AD0
 	ldrh r7, [r1, 0x1E]
 	adds r2, r7
 	strh r2, [r1, 0x1E]
-	ldr r6, _080E3B40 @ =gUnknown_030041B0
+	ldr r6, _080E3B40 @ =gBattle_BG3_X
 	lsls r0, r3, 16
 	asrs r0, 24
 	ldrh r4, [r6]
 	adds r0, r4
 	strh r0, [r6]
-	ldr r4, _080E3B44 @ =gUnknown_030041B8
+	ldr r4, _080E3B44 @ =gBattle_BG3_Y
 	lsls r0, r2, 16
 	asrs r0, 24
 	ldrh r7, [r4]
@@ -3942,8 +3942,8 @@ _080E3B36:
 	bx r0
 	.align 2, 0
 _080E3B3C: .4byte gTasks
-_080E3B40: .4byte gUnknown_030041B0
-_080E3B44: .4byte gUnknown_030041B8
+_080E3B40: .4byte gBattle_BG3_X
+_080E3B44: .4byte gBattle_BG3_Y
 _080E3B48: .4byte gBattleAnimArgs
 	thumb_func_end sub_80E3AD0
 
diff --git a/asm/pokenav.s b/asm/pokenav.s
index 7c766addc..67b4ece33 100644
--- a/asm/pokenav.s
+++ b/asm/pokenav.s
@@ -10956,8 +10956,8 @@ sub_80F5B50: @ 80F5B50
 _080F5B68: .4byte gUnknown_083DFEC4
 _080F5B6C: .4byte 0x00009345
 _080F5B70:
-	bl dp12_8087EA4
-	ldr r0, _080F5BA8 @ =gUnknown_03004DE0
+	bl ScanlineEffect_Clear
+	ldr r0, _080F5BA8 @ =gScanlineEffectRegBuffers
 	movs r2, 0xEF
 	movs r3, 0xF4
 	lsls r3, 3
@@ -10984,7 +10984,7 @@ _080F5B82:
 	movs r0, 0x1
 	b _080F5BCE
 	.align 2, 0
-_080F5BA8: .4byte gUnknown_03004DE0
+_080F5BA8: .4byte gScanlineEffectRegBuffers
 _080F5BAC: .4byte gUnknown_083DFEC4
 _080F5BB0: .4byte 0x00009345
 _080F5BB4:
@@ -10995,7 +10995,7 @@ _080F5BB4:
 	ldr r0, [sp]
 	ldr r1, [sp, 0x4]
 	ldr r2, [sp, 0x8]
-	bl sub_80895F8
+	bl ScanlineEffect_SetParams
 	ldrb r0, [r4]
 	adds r0, 0x1
 	strb r0, [r4]
@@ -11013,14 +11013,14 @@ _080F5BD8: .4byte gUnknown_083E4990
 	thumb_func_start sub_80F5BDC
 sub_80F5BDC: @ 80F5BDC
 	push {lr}
-	ldr r1, _080F5BEC @ =gUnknown_03004DC0
+	ldr r1, _080F5BEC @ =gScanlineEffect
 	movs r0, 0x3
 	strb r0, [r1, 0x15]
-	bl sub_8089668
+	bl ScanlineEffect_InitHBlankDmaTransfer
 	pop {r0}
 	bx r0
 	.align 2, 0
-_080F5BEC: .4byte gUnknown_03004DC0
+_080F5BEC: .4byte gScanlineEffect
 	thumb_func_end sub_80F5BDC
 
 	thumb_func_start sub_80F5BF0
@@ -11045,7 +11045,7 @@ sub_80F5BF0: @ 80F5BF0
 	adds r0, r4, 0
 	bl sub_80F5A1C
 	movs r6, 0
-	ldr r1, _080F5CC4 @ =gUnknown_03004DE0
+	ldr r1, _080F5CC4 @ =gScanlineEffectRegBuffers
 	mov r12, r1
 	movs r0, 0xF0
 	lsls r0, 3
@@ -11128,7 +11128,7 @@ _080F5CA6:
 _080F5CB8: .4byte gUnknown_083DFEC4
 _080F5CBC: .4byte 0x00009344
 _080F5CC0: .4byte 0x0000911c
-_080F5CC4: .4byte gUnknown_03004DE0
+_080F5CC4: .4byte gScanlineEffectRegBuffers
 _080F5CC8: .4byte 0x0000ffff
 _080F5CCC: .4byte 0x00009130
 _080F5CD0: .4byte 0x00009132
@@ -11164,7 +11164,7 @@ sub_80F5CDC: @ 80F5CDC
 	lsls r0, 17
 	lsrs r5, r0, 16
 	movs r7, 0
-	ldr r1, _080F5DBC @ =gUnknown_03004DE0
+	ldr r1, _080F5DBC @ =gScanlineEffectRegBuffers
 	mov r12, r1
 	movs r4, 0xF0
 	lsls r4, 3
@@ -11248,7 +11248,7 @@ _080F5DA0:
 _080F5DB0: .4byte gUnknown_083DFEC4
 _080F5DB4: .4byte 0x00009344
 _080F5DB8: .4byte 0x0000911c
-_080F5DBC: .4byte gUnknown_03004DE0
+_080F5DBC: .4byte gScanlineEffectRegBuffers
 _080F5DC0: .4byte 0x0000ffff
 _080F5DC4: .4byte 0x00009130
 _080F5DC8: .4byte 0x00009132
diff --git a/asm/psychic.s b/asm/psychic.s
index 20e558bf6..7dbedd08f 100755
--- a/asm/psychic.s
+++ b/asm/psychic.s
@@ -1588,7 +1588,7 @@ _080DC380:
 	adds r0, 0x40
 	cmp r1, r0
 	bgt _080DC3BA
-	ldr r5, _080DC3E8 @ =gUnknown_03004DE0
+	ldr r5, _080DC3E8 @ =gScanlineEffectRegBuffers
 	movs r0, 0xF0
 	lsls r0, 3
 	adds r6, r5, r0
@@ -1621,7 +1621,7 @@ _080DC3BA:
 	ldr r0, [sp]
 	ldr r1, [sp, 0x4]
 	ldr r2, [sp, 0x8]
-	bl sub_80895F8
+	bl ScanlineEffect_SetParams
 	ldr r0, _080DC3F0 @ =sub_80DC3F4
 	str r0, [r4]
 	add sp, 0xC
@@ -1631,7 +1631,7 @@ _080DC3BA:
 	.align 2, 0
 _080DC3E0: .4byte gBattle_BG2_X
 _080DC3E4: .4byte REG_BG2HOFS
-_080DC3E8: .4byte gUnknown_03004DE0
+_080DC3E8: .4byte gScanlineEffectRegBuffers
 _080DC3EC: .4byte 0xa2600001
 _080DC3F0: .4byte sub_80DC3F4
 	thumb_func_end sub_80DC2D4
@@ -1676,7 +1676,7 @@ _080DC426:
 	ldr r0, _080DC470 @ =gSineTable
 	mov r9, r0
 	movs r7, 0x3
-	ldr r1, _080DC474 @ =gUnknown_03004DE0
+	ldr r1, _080DC474 @ =gScanlineEffectRegBuffers
 	mov r12, r1
 	movs r2, 0xF0
 	lsls r2, 3
@@ -1704,7 +1704,7 @@ _080DC448:
 	b _080DC484
 	.align 2, 0
 _080DC470: .4byte gSineTable
-_080DC474: .4byte gUnknown_03004DE0
+_080DC474: .4byte gScanlineEffectRegBuffers
 _080DC478:
 	cmp r3, 0
 	bge _080DC488
@@ -1753,7 +1753,7 @@ _080DC4BE:
 	ble _080DC4E6
 	b _080DC4D4
 _080DC4CE:
-	ldr r1, _080DC4DC @ =gUnknown_03004DC0
+	ldr r1, _080DC4DC @ =gScanlineEffect
 	movs r0, 0x3
 	strb r0, [r1, 0x15]
 _080DC4D4:
@@ -1762,7 +1762,7 @@ _080DC4D4:
 	strh r0, [r5, 0x8]
 	b _080DC4E6
 	.align 2, 0
-_080DC4DC: .4byte gUnknown_03004DC0
+_080DC4DC: .4byte gScanlineEffect
 _080DC4E0:
 	adds r0, r2, 0
 	bl DestroyAnimVisualTask
diff --git a/asm/rock.s b/asm/rock.s
index 923c842be..2f878db2c 100755
--- a/asm/rock.s
+++ b/asm/rock.s
@@ -1549,7 +1549,7 @@ sub_80DDA8C: @ 80DDA8C
 	movs r0, 0xC8
 	strh r0, [r5, 0xA]
 _080DDAAE:
-	ldr r4, _080DDAEC @ =gUnknown_030041B8
+	ldr r4, _080DDAEC @ =gBattle_BG3_Y
 	movs r1, 0xA
 	ldrsh r0, [r5, r1]
 	movs r1, 0xA
@@ -1577,7 +1577,7 @@ _080DDADA:
 	bx r0
 	.align 2, 0
 _080DDAE8: .4byte gTasks
-_080DDAEC: .4byte gUnknown_030041B8
+_080DDAEC: .4byte gBattle_BG3_Y
 	thumb_func_end sub_80DDA8C
 
 	thumb_func_start sub_80DDAF0
@@ -1600,7 +1600,7 @@ sub_80DDAF0: @ 80DDAF0
 	ldrh r0, [r4, 0x8]
 	adds r0, 0x1
 	strh r0, [r4, 0x8]
-	ldr r0, _080DDB60 @ =gUnknown_030041B8
+	ldr r0, _080DDB60 @ =gBattle_BG3_Y
 	ldrh r0, [r0]
 	strh r0, [r4, 0xC]
 _080DDB1C:
@@ -1609,7 +1609,7 @@ _080DDB1C:
 	movs r1, 0xFF
 	ands r0, r1
 	strh r0, [r4, 0xA]
-	ldr r6, _080DDB60 @ =gUnknown_030041B8
+	ldr r6, _080DDB60 @ =gBattle_BG3_Y
 	movs r2, 0xA
 	ldrsh r1, [r4, r2]
 	movs r0, 0x4
@@ -1635,7 +1635,7 @@ _080DDB54:
 	bx r0
 	.align 2, 0
 _080DDB5C: .4byte gTasks
-_080DDB60: .4byte gUnknown_030041B8
+_080DDB60: .4byte gBattle_BG3_Y
 _080DDB64: .4byte gBattleAnimArgs
 _080DDB68: .4byte 0x00000fff
 	thumb_func_end sub_80DDAF0
diff --git a/asm/water.s b/asm/water.s
index d72f9438c..56e552241 100755
--- a/asm/water.s
+++ b/asm/water.s
@@ -300,7 +300,7 @@ _080D3D9C:
 	movs r3, 0
 	movs r2, 0x10
 	ldrsh r0, [r4, r2]
-	ldr r1, _080D3E6C @ =gUnknown_03004DE0
+	ldr r1, _080D3E6C @ =gScanlineEffectRegBuffers
 	mov r12, r1
 	cmp r3, r0
 	bge _080D3DDA
@@ -337,7 +337,7 @@ _080D3DDA:
 	ldrsh r0, [r4, r3]
 	cmp r1, r0
 	bge _080D3E14
-	ldr r5, _080D3E6C @ =gUnknown_03004DE0
+	ldr r5, _080D3E6C @ =gScanlineEffectRegBuffers
 	movs r0, 0xF0
 	lsls r0, 3
 	adds r6, r5, r0
@@ -366,7 +366,7 @@ _080D3E14:
 	asrs r0, r2, 16
 	cmp r0, 0x9F
 	bgt _080D3E4A
-	ldr r5, _080D3E6C @ =gUnknown_03004DE0
+	ldr r5, _080D3E6C @ =gScanlineEffectRegBuffers
 	movs r0, 0xF0
 	lsls r0, 3
 	adds r6, r5, r0
@@ -407,7 +407,7 @@ _080D3E4A:
 	ldrh r0, [r4, 0xA]
 	b _080D3E8A
 	.align 2, 0
-_080D3E6C: .4byte gUnknown_03004DE0
+_080D3E6C: .4byte gScanlineEffectRegBuffers
 _080D3E70: .4byte 0x0000ffff
 _080D3E74:
 	lsls r0, r3, 16
@@ -436,7 +436,7 @@ _080D3E8A:
 	ldr r0, [sp]
 	ldr r1, [sp, 0x4]
 	ldr r2, [sp, 0x8]
-	bl sub_80895F8
+	bl ScanlineEffect_SetParams
 	ldrh r0, [r4, 0x8]
 	adds r0, 0x1
 	strh r0, [r4, 0x8]
@@ -475,8 +475,8 @@ _080D3EE8:
 	ldrsh r0, [r4, r1]
 	cmp r3, r0
 	bge _080D3F1C
-	ldr r6, _080D3F80 @ =gUnknown_03004DE0
-	ldr r5, _080D3F84 @ =gUnknown_03004DC0
+	ldr r6, _080D3F80 @ =gScanlineEffectRegBuffers
+	ldr r5, _080D3F84 @ =gScanlineEffect
 _080D3EF6:
 	lsls r1, r3, 16
 	asrs r1, 16
@@ -505,8 +505,8 @@ _080D3F1C:
 	ldrsh r0, [r4, r3]
 	cmp r1, r0
 	bge _080D3F50
-	ldr r6, _080D3F80 @ =gUnknown_03004DE0
-	ldr r5, _080D3F84 @ =gUnknown_03004DC0
+	ldr r6, _080D3F80 @ =gScanlineEffectRegBuffers
+	ldr r5, _080D3F84 @ =gScanlineEffect
 _080D3F2E:
 	asrs r3, r2, 16
 	lsls r2, r3, 1
@@ -531,8 +531,8 @@ _080D3F50:
 	asrs r0, r1, 16
 	cmp r0, 0x9F
 	bgt _080D4032
-	ldr r6, _080D3F80 @ =gUnknown_03004DE0
-	ldr r5, _080D3F84 @ =gUnknown_03004DC0
+	ldr r6, _080D3F80 @ =gScanlineEffectRegBuffers
+	ldr r5, _080D3F84 @ =gScanlineEffect
 _080D3F5E:
 	asrs r3, r1, 16
 	lsls r2, r3, 1
@@ -551,16 +551,16 @@ _080D3F5E:
 	ble _080D3F5E
 	b _080D4032
 	.align 2, 0
-_080D3F80: .4byte gUnknown_03004DE0
-_080D3F84: .4byte gUnknown_03004DC0
+_080D3F80: .4byte gScanlineEffectRegBuffers
+_080D3F84: .4byte gScanlineEffect
 _080D3F88:
 	movs r3, 0
 	movs r1, 0x10
 	ldrsh r0, [r4, r1]
 	cmp r3, r0
 	bge _080D3FBC
-	ldr r6, _080D403C @ =gUnknown_03004DE0
-	ldr r5, _080D4040 @ =gUnknown_03004DC0
+	ldr r6, _080D403C @ =gScanlineEffectRegBuffers
+	ldr r5, _080D4040 @ =gScanlineEffect
 _080D3F96:
 	lsls r1, r3, 16
 	asrs r1, 16
@@ -589,8 +589,8 @@ _080D3FBC:
 	ldrsh r0, [r4, r3]
 	cmp r1, r0
 	bge _080D3FF0
-	ldr r6, _080D403C @ =gUnknown_03004DE0
-	ldr r5, _080D4040 @ =gUnknown_03004DC0
+	ldr r6, _080D403C @ =gScanlineEffectRegBuffers
+	ldr r5, _080D4040 @ =gScanlineEffect
 _080D3FCE:
 	asrs r3, r2, 16
 	lsls r2, r3, 1
@@ -615,8 +615,8 @@ _080D3FF0:
 	asrs r0, r1, 16
 	cmp r0, 0x9F
 	bgt _080D401C
-	ldr r6, _080D403C @ =gUnknown_03004DE0
-	ldr r5, _080D4040 @ =gUnknown_03004DC0
+	ldr r6, _080D403C @ =gScanlineEffectRegBuffers
+	ldr r5, _080D4040 @ =gScanlineEffect
 _080D3FFE:
 	asrs r3, r1, 16
 	lsls r2, r3, 1
@@ -640,7 +640,7 @@ _080D401C:
 	negs r0, r0
 	cmp r1, r0
 	bne _080D4032
-	bl remove_some_task
+	bl ScanlineEffect_Stop
 	adds r0, r7, 0
 	bl DestroyTask
 _080D4032:
@@ -649,8 +649,8 @@ _080D4032:
 	pop {r0}
 	bx r0
 	.align 2, 0
-_080D403C: .4byte gUnknown_03004DE0
-_080D4040: .4byte gUnknown_03004DC0
+_080D403C: .4byte gScanlineEffectRegBuffers
+_080D4040: .4byte gScanlineEffect
 	thumb_func_end sub_80D3D68
 
 	thumb_func_start sub_80D4044