Update

2 files changed, 345 insertions, 384 deletions

diff --git a/asm/intro_credits_graphics.s b/asm/intro_credits_graphics.s
index 190093076..ea4c50aaa 100644
--- a/asm/intro_credits_graphics.s
+++ b/asm/intro_credits_graphics.s
@@ -6,295 +6,6 @@
 
 	.text
 
-
-
-	thumb_func_start sub_8148F3C
-sub_8148F3C: @ 8148F3C
-	push {r4-r6,lr}
-	lsls r0, 24
-	lsrs r5, r0, 24
-	ldr r1, _08148FB4 @ =gTasks
-	lsls r0, r5, 2
-	adds r0, r5
-	lsls r0, 3
-	adds r3, r0, r1
-	ldrh r0, [r3, 0xA]
-	lsls r4, r0, 16
-	adds r6, r1, 0
-	cmp r4, 0
-	beq _08148F7C
-	movs r1, 0xC
-	ldrsh r0, [r3, r1]
-	lsls r0, 16
-	ldrh r1, [r3, 0xE]
-	adds r2, r0, r1
-	lsrs r0, r4, 12
-	subs r2, r0
-	asrs r1, r2, 16
-	strh r1, [r3, 0xC]
-	strh r2, [r3, 0xE]
-	ldr r0, _08148FB8 @ =REG_BG1HOFS
-	strh r1, [r0]
-	ldr r2, _08148FBC @ =REG_BG1VOFS
-	ldr r1, _08148FC0 @ =gUnknown_02039358
-	ldr r0, _08148FC4 @ =gUnknown_0203935A
-	ldrh r0, [r0]
-	ldrh r1, [r1]
-	adds r0, r1
-	strh r0, [r2]
-_08148F7C:
-	ldrh r0, [r3, 0x10]
-	lsls r4, r0, 16
-	cmp r4, 0
-	beq _08148FD8
-	movs r1, 0x12
-	ldrsh r0, [r3, r1]
-	lsls r0, 16
-	ldrh r1, [r3, 0x14]
-	adds r2, r0, r1
-	lsrs r0, r4, 12
-	subs r2, r0
-	asrs r1, r2, 16
-	strh r1, [r3, 0x12]
-	strh r2, [r3, 0x14]
-	ldr r0, _08148FC8 @ =REG_BG2HOFS
-	strh r1, [r0]
-	movs r1, 0x8
-	ldrsh r0, [r3, r1]
-	cmp r0, 0
-	beq _08148FD0
-	ldr r2, _08148FCC @ =REG_BG2VOFS
-	ldr r1, _08148FC0 @ =gUnknown_02039358
-	ldr r0, _08148FC4 @ =gUnknown_0203935A
-	ldrh r0, [r0]
-	ldrh r1, [r1]
-	adds r0, r1
-	strh r0, [r2]
-	b _08148FD8
-	.align 2, 0
-_08148FB4: .4byte gTasks
-_08148FB8: .4byte REG_BG1HOFS
-_08148FBC: .4byte REG_BG1VOFS
-_08148FC0: .4byte gUnknown_02039358
-_08148FC4: .4byte gUnknown_0203935A
-_08148FC8: .4byte REG_BG2HOFS
-_08148FCC: .4byte REG_BG2VOFS
-_08148FD0:
-	ldr r0, _08149010 @ =REG_BG2VOFS
-	ldr r1, _08149014 @ =gUnknown_02039358
-	ldrh r1, [r1]
-	strh r1, [r0]
-_08148FD8:
-	lsls r0, r5, 2
-	adds r0, r5
-	lsls r0, 3
-	adds r3, r0, r6
-	ldrh r0, [r3, 0x16]
-	lsls r4, r0, 16
-	cmp r4, 0
-	beq _08149008
-	movs r1, 0x18
-	ldrsh r0, [r3, r1]
-	lsls r0, 16
-	ldrh r1, [r3, 0x1A]
-	adds r2, r0, r1
-	lsrs r0, r4, 12
-	subs r2, r0
-	asrs r1, r2, 16
-	strh r1, [r3, 0x18]
-	strh r2, [r3, 0x1A]
-	ldr r0, _08149018 @ =REG_BG3HOFS
-	strh r1, [r0]
-	ldr r1, _0814901C @ =REG_BG3VOFS
-	ldr r0, _08149014 @ =gUnknown_02039358
-	ldrh r0, [r0]
-	strh r0, [r1]
-_08149008:
-	pop {r4-r6}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_08149010: .4byte REG_BG2VOFS
-_08149014: .4byte gUnknown_02039358
-_08149018: .4byte REG_BG3HOFS
-_0814901C: .4byte REG_BG3VOFS
-	thumb_func_end sub_8148F3C
-
-	thumb_func_start sub_8149020
-sub_8149020: @ 8149020
-	push {r4,lr}
-	sub sp, 0x4
-	lsls r0, 24
-	lsrs r0, 24
-	cmp r0, 0x1
-	beq _08149100
-	cmp r0, 0x1
-	ble _08149034
-	cmp r0, 0x2
-	beq _08149098
-_08149034:
-	ldr r0, _08149060 @ =gMain
-	ldr r2, [r0, 0x20]
-	movs r0, 0x3
-	ands r0, r2
-	cmp r0, 0
-	bne _08149100
-	ldr r0, _08149064 @ =gPaletteFade
-	ldrb r1, [r0, 0x7]
-	movs r0, 0x80
-	ands r0, r1
-	cmp r0, 0
-	bne _08149100
-	movs r0, 0x4
-	ands r2, r0
-	cmp r2, 0
-	beq _0814906C
-	ldr r2, _08149068 @ =gPlttBufferUnfaded
-	ldrh r1, [r2, 0x12]
-	mov r0, sp
-	strh r1, [r0]
-	ldrh r1, [r2, 0x14]
-	b _08149076
-	.align 2, 0
-_08149060: .4byte gMain
-_08149064: .4byte gPaletteFade
-_08149068: .4byte gPlttBufferUnfaded
-_0814906C:
-	ldr r2, _08149094 @ =gPlttBufferUnfaded
-	ldrh r1, [r2, 0x14]
-	mov r0, sp
-	strh r1, [r0]
-	ldrh r1, [r2, 0x12]
-_08149076:
-	adds r0, 0x2
-	strh r1, [r0]
-	adds r4, r0, 0
-	mov r0, sp
-	movs r1, 0x9
-	movs r2, 0x2
-	bl LoadPalette
-	adds r0, r4, 0
-	movs r1, 0xA
-	movs r2, 0x2
-	bl LoadPalette
-	b _08149100
-	.align 2, 0
-_08149094: .4byte gPlttBufferUnfaded
-_08149098:
-	ldr r0, _081490C8 @ =gMain
-	ldr r2, [r0, 0x20]
-	movs r0, 0x3
-	ands r0, r2
-	cmp r0, 0
-	bne _08149100
-	ldr r0, _081490CC @ =gPaletteFade
-	ldrb r1, [r0, 0x7]
-	movs r0, 0x80
-	ands r0, r1
-	cmp r0, 0
-	bne _08149100
-	movs r0, 0x4
-	ands r2, r0
-	cmp r2, 0
-	beq _081490D8
-	mov r1, sp
-	ldr r2, _081490D0 @ =0x00003d27
-	adds r0, r2, 0
-	strh r0, [r1]
-	adds r1, 0x2
-	ldr r2, _081490D4 @ =0x00000295
-	b _081490E6
-	.align 2, 0
-_081490C8: .4byte gMain
-_081490CC: .4byte gPaletteFade
-_081490D0: .4byte 0x00003d27
-_081490D4: .4byte 0x00000295
-_081490D8:
-	mov r1, sp
-	movs r2, 0xC7
-	lsls r2, 2
-	adds r0, r2, 0
-	strh r0, [r1]
-	adds r1, 0x2
-	ldr r2, _08149108 @ =0x00003d27
-_081490E6:
-	adds r0, r2, 0
-	strh r0, [r1]
-	adds r4, r1, 0
-	mov r0, sp
-	movs r1, 0xC
-	movs r2, 0x2
-	bl LoadPalette
-	adds r0, r4, 0
-	movs r1, 0xD
-	movs r2, 0x2
-	bl LoadPalette
-_08149100:
-	add sp, 0x4
-	pop {r4}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_08149108: .4byte 0x00003d27
-	thumb_func_end sub_8149020
-
-	thumb_func_start sub_814910C
-sub_814910C: @ 814910C
-	push {lr}
-	adds r2, r0, 0
-	ldr r0, _08149124 @ =gUnknown_0203935C
-	movs r1, 0
-	ldrsh r0, [r0, r1]
-	cmp r0, 0
-	beq _08149128
-	adds r0, r2, 0
-	bl DestroySprite
-	b _0814916C
-	.align 2, 0
-_08149124: .4byte gUnknown_0203935C
-_08149128:
-	movs r1, 0x20
-	ldrsh r0, [r2, r1]
-	lsls r0, 16
-	ldrh r1, [r2, 0x32]
-	orrs r0, r1
-	ldrh r1, [r2, 0x30]
-	adds r0, r1
-	asrs r1, r0, 16
-	strh r1, [r2, 0x20]
-	strh r0, [r2, 0x32]
-	cmp r1, 0xFF
-	ble _08149144
-	ldr r0, _08149158 @ =0x0000ffe0
-	strh r0, [r2, 0x20]
-_08149144:
-	movs r1, 0x2E
-	ldrsh r0, [r2, r1]
-	cmp r0, 0
-	beq _08149164
-	ldr r1, _0814915C @ =gUnknown_02039358
-	ldr r0, _08149160 @ =gUnknown_0203935A
-	ldrh r0, [r0]
-	ldrh r1, [r1]
-	adds r0, r1
-	b _08149168
-	.align 2, 0
-_08149158: .4byte 0x0000ffe0
-_0814915C: .4byte gUnknown_02039358
-_08149160: .4byte gUnknown_0203935A
-_08149164:
-	ldr r0, _08149170 @ =gUnknown_02039358
-	ldrh r0, [r0]
-_08149168:
-	negs r0, r0
-	strh r0, [r2, 0x26]
-_0814916C:
-	pop {r0}
-	bx r0
-	.align 2, 0
-_08149170: .4byte gUnknown_02039358
-	thumb_func_end sub_814910C
-
 	thumb_func_start sub_8149174
 sub_8149174: @ 8149174
 	push {r4-r7,lr}
@@ -345,11 +56,11 @@ _0814919E:
 	movs r0, 0xC
 	orrs r3, r0
 	strb r3, [r4, 0x5]
-	ldrb r1, [r6]
-	lsls r1, 26
-	lsrs r1, 30
-	lsls r1, 6
-	ldrb r2, [r4, 0x1]
+	ldrb r1, [r6] @take var0
+	lsls r1, 26 @shift left
+	lsrs r1, 30 @shift right
+	lsls r1, 6 @gf wat r u doin
+	ldrb r2, [r4, 0x1] @load OamData byte 1
 	mov r0, r9
 	ands r0, r2
 	orrs r0, r1
diff --git a/src/intro_credits_graphics.c b/src/intro_credits_graphics.c
index 8f5e86b05..ee3fa392b 100755
--- a/src/intro_credits_graphics.c
+++ b/src/intro_credits_graphics.c
@@ -21,6 +21,9 @@
 #include "trig.h"
 #include "unknown_task.h"
 
+// define register constants for the inline asm
+asm(".include \"constants/gba_constants.inc\"\n");
+
 extern u8 gUnknown_0841225C;
 extern u8 gUnknown_084126DC;
 extern u8 gUnknown_084121FC;
@@ -36,39 +39,41 @@ extern u8 gUnknown_08413CCC;
 const extern struct CompressedSpriteSheet gUnknown_08416B54;
 const extern struct CompressedSpriteSheet gUnknown_08416BDC;
 
+extern u16 gUnknown_02039358;
+extern s16 gUnknown_0203935A;
 extern s16 gUnknown_0203935C;
-
 extern u8 gReservedSpritePaletteCount;
 
 void sub_8149248();
 void sub_8149264();
 
-void load_intro_part2_graphics(u8 a){
-	LZ77UnCompVram(&gUnknown_0841225C, (void *)(VRAM + 0x4000));
-	LZ77UnCompVram(&gUnknown_084126DC, (void *)(VRAM + 0x7800));
-	LoadPalette(&gUnknown_084121FC, 240, 32);
-	switch (a)
-	{
-		case 0:
-		default:
-			LZ77UnCompVram(&gUnknown_084128D8, (void *)(VRAM));
-			LZ77UnCompVram(&gUnknown_08412EB4, (void *)(VRAM + 0x3000));
-			LoadPalette(&gUnknown_08412818, 0, 96);
-			LoadCompressedObjectPic(&gUnknown_08416B54);
-			LoadPalette(&gUnknown_08413184, 256, 32);
-			sub_8149248();
-			break;
-		case 1:
-			LZ77UnCompVram(&gUnknown_08413340, (void *)(VRAM));
-			LZ77UnCompVram(&gUnknown_084139C8, (void *)(VRAM + 0x3000));
-			LoadPalette(&gUnknown_08413300, 0, 32);
-			LoadCompressedObjectPic(&gUnknown_08416BDC);
-			LoadPalette(&gUnknown_08413CCC, 256, 32);
-			sub_8149264();
-			break;
-	}
-	gUnknown_0203935C = 0;
-	gReservedSpritePaletteCount = 8;
+void load_intro_part2_graphics(u8 a)
+{
+    LZ77UnCompVram(&gUnknown_0841225C, (void *)(VRAM + 0x4000));
+    LZ77UnCompVram(&gUnknown_084126DC, (void *)(VRAM + 0x7800));
+    LoadPalette(&gUnknown_084121FC, 240, 32);
+    switch (a)
+    {
+    case 0:
+    default:
+        LZ77UnCompVram(&gUnknown_084128D8, (void *)(VRAM));
+        LZ77UnCompVram(&gUnknown_08412EB4, (void *)(VRAM + 0x3000));
+        LoadPalette(&gUnknown_08412818, 0, 96);
+        LoadCompressedObjectPic(&gUnknown_08416B54);
+        LoadPalette(&gUnknown_08413184, 256, 32);
+        sub_8149248();
+        break;
+    case 1:
+        LZ77UnCompVram(&gUnknown_08413340, (void *)(VRAM));
+        LZ77UnCompVram(&gUnknown_084139C8, (void *)(VRAM + 0x3000));
+        LoadPalette(&gUnknown_08413300, 0, 32);
+        LoadCompressedObjectPic(&gUnknown_08416BDC);
+        LoadPalette(&gUnknown_08413CCC, 256, 32);
+        sub_8149264();
+        break;
+    }
+    gUnknown_0203935C = 0;
+    gReservedSpritePaletteCount = 8;
 }
 
 void sub_8148C78(u8 a)
@@ -103,78 +108,323 @@ extern u8 gUnknown_08414064;
 
 void sub_8149280();
 
-void sub_8148CB0(u8 a){
-	LZ77UnCompVram(&gUnknown_0841225C, (void *)(VRAM + 0x4000));
-	LZ77UnCompVram(&gUnknown_084126DC, (void *)(VRAM + 0x7800));
-	switch (a)
-	{
-		case 0:
-		default:
-			LoadPalette(&gUnknown_084121FC, 240, 32);
-			LZ77UnCompVram(&gUnknown_084128D8, (void *)(VRAM));
-			LZ77UnCompVram(&gUnknown_08412EB4, (void *)(VRAM + 0x3000));
-			LoadPalette(&gUnknown_08412818, 0, 96);
-			LoadCompressedObjectPic(&gUnknown_08416B54);
-			LZ77UnCompVram(&gUnknown_084131C4, (void *)(VRAM + 0x10000));
-			LoadPalette(&gUnknown_08413184, 256, 32);
-			sub_8149248();
-			break;
-		case 1:
-			LoadPalette(&gUnknown_0841221C, 240, 32);
-			LZ77UnCompVram(&gUnknown_084128D8, (void *)(VRAM));
-			LZ77UnCompVram(&gUnknown_08412EB4, (void *)(VRAM + 0x3000));
-			LoadPalette(&gUnknown_08412878, 0, 96);
-			LoadCompressedObjectPic(&gUnknown_08416B54);
-			LZ77UnCompVram(&gUnknown_084131C4, (void *)(VRAM + 0x10000));
-			LoadPalette(&gUnknown_084131A4, 256, 32);
-			sub_8149248();
-			break;
-		case 2:
-		case 3:
-			LoadPalette(&gUnknown_0841221C, 240, 32);
-			LZ77UnCompVram(&gUnknown_08413340, (void *)(VRAM));
-			LZ77UnCompVram(&gUnknown_084139C8, (void *)(VRAM + 0x3000));
-			LoadPalette(&gUnknown_08413320, 0, 32);
-			LoadCompressedObjectPic(&gUnknown_08416BDC);
-			LoadPalette(&gUnknown_08413320, 256, 32);
-			sub_8149264();
-			break;
-		case 4:
-			LoadPalette(&gUnknown_0841223C, 240, 32);
-			LZ77UnCompVram(&gUnknown_08413E78, (void *)(VRAM));
-			LZ77UnCompVram(&gUnknown_08414084, (void *)(VRAM + 0x3000));
-			LoadPalette(&gUnknown_08413E38, 0, 64);
-			LoadCompressedObjectPic(&gUnknown_08416C70);
-			LoadPalette(&gUnknown_08414064, 256, 32);
-			sub_8149280();
-			break;
-	}
-	gReservedSpritePaletteCount = 8;
-	gUnknown_0203935C = 0;
+void sub_8148CB0(u8 a)
+{
+    LZ77UnCompVram(&gUnknown_0841225C, (void *)(VRAM + 0x4000));
+    LZ77UnCompVram(&gUnknown_084126DC, (void *)(VRAM + 0x7800));
+    switch (a)
+    {
+    case 0:
+    default:
+        LoadPalette(&gUnknown_084121FC, 240, 32);
+        LZ77UnCompVram(&gUnknown_084128D8, (void *)(VRAM));
+        LZ77UnCompVram(&gUnknown_08412EB4, (void *)(VRAM + 0x3000));
+        LoadPalette(&gUnknown_08412818, 0, 96);
+        LoadCompressedObjectPic(&gUnknown_08416B54);
+        LZ77UnCompVram(&gUnknown_084131C4, (void *)(VRAM + 0x10000));
+        LoadPalette(&gUnknown_08413184, 256, 32);
+        sub_8149248();
+        break;
+    case 1:
+        LoadPalette(&gUnknown_0841221C, 240, 32);
+        LZ77UnCompVram(&gUnknown_084128D8, (void *)(VRAM));
+        LZ77UnCompVram(&gUnknown_08412EB4, (void *)(VRAM + 0x3000));
+        LoadPalette(&gUnknown_08412878, 0, 96);
+        LoadCompressedObjectPic(&gUnknown_08416B54);
+        LZ77UnCompVram(&gUnknown_084131C4, (void *)(VRAM + 0x10000));
+        LoadPalette(&gUnknown_084131A4, 256, 32);
+        sub_8149248();
+        break;
+    case 2:
+    case 3:
+        LoadPalette(&gUnknown_0841221C, 240, 32);
+        LZ77UnCompVram(&gUnknown_08413340, (void *)(VRAM));
+        LZ77UnCompVram(&gUnknown_084139C8, (void *)(VRAM + 0x3000));
+        LoadPalette(&gUnknown_08413320, 0, 32);
+        LoadCompressedObjectPic(&gUnknown_08416BDC);
+        LoadPalette(&gUnknown_08413320, 256, 32);
+        sub_8149264();
+        break;
+    case 4:
+        LoadPalette(&gUnknown_0841223C, 240, 32);
+        LZ77UnCompVram(&gUnknown_08413E78, (void *)(VRAM));
+        LZ77UnCompVram(&gUnknown_08414084, (void *)(VRAM + 0x3000));
+        LoadPalette(&gUnknown_08413E38, 0, 64);
+        LoadCompressedObjectPic(&gUnknown_08416C70);
+        LoadPalette(&gUnknown_08414064, 256, 32);
+        sub_8149280();
+        break;
+    }
+    gReservedSpritePaletteCount = 8;
+    gUnknown_0203935C = 0;
 }
 
 void sub_8148E90(u8 a)
 {
-	REG_BG3CNT = 0x603;
+    REG_BG3CNT = 0x603;
     REG_BG2CNT = 0x702;
     REG_BG1CNT = 0xF05;
     REG_DISPCNT = 0x1F40;
 }
 
+u8 sub_8148EC0(u8 a, u16 b, u16 c, u16 d)
+{
+    u8 taskId = CreateTask(&sub_8148F3C, 0);
+    
+    gTasks[taskId].data[0] = a;
+    gTasks[taskId].data[1] = b;
+    gTasks[taskId].data[2] = 0;
+    gTasks[taskId].data[3] = 0;
+    gTasks[taskId].data[4] = c;
+    gTasks[taskId].data[5] = 0;
+    gTasks[taskId].data[6] = 0;
+    gTasks[taskId].data[7] = d;
+    gTasks[taskId].data[8] = 8;
+    gTasks[taskId].data[9] = 0;
+    sub_8148F3C(taskId);
+    return taskId;
+}
+
+#ifdef NONMATCHING
+void sub_8148F3C(u8 taskId)
+{
+    register u32 r4 asm("r4");
+    s32 r2;
+    
+    r4 = (u16)gTasks[taskId].data[1] << 16;
+    if (r4 != 0)
+    {
+        r2 = (gTasks[taskId].data[2] << 16) + (u16)gTasks[taskId].data[3] - (r4 >> 12);
+        gTasks[taskId].data[2] = r2 >> 16;
+        gTasks[taskId].data[3] = r2;
+        REG_BG1HOFS = gTasks[taskId].data[2];
+        REG_BG1VOFS = gUnknown_0203935A + gUnknown_02039358;
+    }
+    
+    r4 = (u16)gTasks[taskId].data[4] << 16;
+    if (r4 != 0)
+    {
+        r2 = (gTasks[taskId].data[5] << 16) + (u16)gTasks[taskId].data[6] - (r4 >> 12);
+        gTasks[taskId].data[5] = r2 >> 16;
+        gTasks[taskId].data[3] = r2;
+        REG_BG2HOFS = gTasks[taskId].data[5];
+        if (gTasks[taskId].data[0] != 0)
+            REG_BG2VOFS = gUnknown_0203935A + gUnknown_02039358;
+        else
+            REG_BG2VOFS = gUnknown_02039358;
+    }
+    
+    r4 = (u16)gTasks[taskId].data[7] << 16;
+    if (r4 != 0)
+    {
+        r2 = (gTasks[taskId].data[8] << 16) + (u16)gTasks[taskId].data[9] - (r4 >> 12);;
+        gTasks[taskId].data[8] = r2 >> 16;
+        gTasks[taskId].data[9] = r2;
+        REG_BG3HOFS = gTasks[taskId].data[8];
+        REG_BG3VOFS = gUnknown_02039358;
+    }
+}
+#else
+__attribute__((naked))
+void sub_8148F3C(u8 taskId)
+{
+    asm(".syntax unified\n\
+    push {r4-r6,lr}\n\
+    lsls r0, 24\n\
+    lsrs r5, r0, 24\n\
+    ldr r1, _08148FB4 @ =gTasks\n\
+    lsls r0, r5, 2\n\
+    adds r0, r5\n\
+    lsls r0, 3\n\
+    adds r3, r0, r1\n\
+    ldrh r0, [r3, 0xA]\n\
+    lsls r4, r0, 16\n\
+    adds r6, r1, 0\n\
+    cmp r4, 0\n\
+    beq _08148F7C\n\
+    movs r1, 0xC\n\
+    ldrsh r0, [r3, r1]\n\
+    lsls r0, 16\n\
+    ldrh r1, [r3, 0xE]\n\
+    adds r2, r0, r1\n\
+    lsrs r0, r4, 12\n\
+    subs r2, r0\n\
+    asrs r1, r2, 16\n\
+    strh r1, [r3, 0xC]\n\
+    strh r2, [r3, 0xE]\n\
+    ldr r0, _08148FB8 @ =REG_BG1HOFS\n\
+    strh r1, [r0]\n\
+    ldr r2, _08148FBC @ =REG_BG1VOFS\n\
+    ldr r1, _08148FC0 @ =gUnknown_02039358\n\
+    ldr r0, _08148FC4 @ =gUnknown_0203935A\n\
+    ldrh r0, [r0]\n\
+    ldrh r1, [r1]\n\
+    adds r0, r1\n\
+    strh r0, [r2]\n\
+_08148F7C:\n\
+    ldrh r0, [r3, 0x10]\n\
+    lsls r4, r0, 16\n\
+    cmp r4, 0\n\
+    beq _08148FD8\n\
+    movs r1, 0x12\n\
+    ldrsh r0, [r3, r1]\n\
+    lsls r0, 16\n\
+    ldrh r1, [r3, 0x14]\n\
+    adds r2, r0, r1\n\
+    lsrs r0, r4, 12\n\
+    subs r2, r0\n\
+    asrs r1, r2, 16\n\
+    strh r1, [r3, 0x12]\n\
+    strh r2, [r3, 0x14]\n\
+    ldr r0, _08148FC8 @ =REG_BG2HOFS\n\
+    strh r1, [r0]\n\
+    movs r1, 0x8\n\
+    ldrsh r0, [r3, r1]\n\
+    cmp r0, 0\n\
+    beq _08148FD0\n\
+    ldr r2, _08148FCC @ =REG_BG2VOFS\n\
+    ldr r1, _08148FC0 @ =gUnknown_02039358\n\
+    ldr r0, _08148FC4 @ =gUnknown_0203935A\n\
+    ldrh r0, [r0]\n\
+    ldrh r1, [r1]\n\
+    adds r0, r1\n\
+    strh r0, [r2]\n\
+    b _08148FD8\n\
+    .align 2, 0\n\
+_08148FB4: .4byte gTasks\n\
+_08148FB8: .4byte REG_BG1HOFS\n\
+_08148FBC: .4byte REG_BG1VOFS\n\
+_08148FC0: .4byte gUnknown_02039358\n\
+_08148FC4: .4byte gUnknown_0203935A\n\
+_08148FC8: .4byte REG_BG2HOFS\n\
+_08148FCC: .4byte REG_BG2VOFS\n\
+_08148FD0:\n\
+    ldr r0, _08149010 @ =REG_BG2VOFS\n\
+    ldr r1, _08149014 @ =gUnknown_02039358\n\
+    ldrh r1, [r1]\n\
+    strh r1, [r0]\n\
+_08148FD8:\n\
+    lsls r0, r5, 2\n\
+    adds r0, r5\n\
+    lsls r0, 3\n\
+    adds r3, r0, r6\n\
+    ldrh r0, [r3, 0x16]\n\
+    lsls r4, r0, 16\n\
+    cmp r4, 0\n\
+    beq _08149008\n\
+    movs r1, 0x18\n\
+    ldrsh r0, [r3, r1]\n\
+    lsls r0, 16\n\
+    ldrh r1, [r3, 0x1A]\n\
+    adds r2, r0, r1\n\
+    lsrs r0, r4, 12\n\
+    subs r2, r0\n\
+    asrs r1, r2, 16\n\
+    strh r1, [r3, 0x18]\n\
+    strh r2, [r3, 0x1A]\n\
+    ldr r0, _08149018 @ =REG_BG3HOFS\n\
+    strh r1, [r0]\n\
+    ldr r1, _0814901C @ =REG_BG3VOFS\n\
+    ldr r0, _08149014 @ =gUnknown_02039358\n\
+    ldrh r0, [r0]\n\
+    strh r0, [r1]\n\
+_08149008:\n\
+    pop {r4-r6}\n\
+    pop {r0}\n\
+    bx r0\n\
+    .align 2, 0\n\
+_08149010: .4byte REG_BG2VOFS\n\
+_08149014: .4byte gUnknown_02039358\n\
+_08149018: .4byte REG_BG3HOFS\n\
+_0814901C: .4byte REG_BG3VOFS\n\
+    .syntax divided\n");
+}
+#endif
 
+void sub_8149020(u8 mode)
+{
+	u16 var1;
+	u16 var2;
+    switch (mode)
+    {
+		case 0:
+        default:
+            /* stuff */
+			if(gMain.vblankCounter1 & 3 || gPaletteFade.active) break;
+			if(gMain.vblankCounter1 & 4)
+			{
+			    var1 = gPlttBufferUnfaded[9];
+				var2 = gPlttBufferUnfaded[10];
+			}
+			else
+			{
+				var1 = gPlttBufferUnfaded[10];
+				var2 = gPlttBufferUnfaded[9];
+			}
+			LoadPalette(&var1, 9, 2);
+			LoadPalette(&var2, 10, 2);
+            break;
+        case 2:
+            /* stuff */
+			if(gMain.vblankCounter1 & 3 || gPaletteFade.active) break;
+			if(gMain.vblankCounter1 & 4)
+			{
+			    var1 = 0x3D27;
+				var2 = 0x295;
+			}
+			else
+			{
+			    var1 = 0x31C;
+				var2 = 0x3D27;
+			}
+			LoadPalette(&var1, 12, 2);
+			LoadPalette(&var2, 13, 2);
+            break;
+        case 1:
+            break;
+    }
+}
 
-u8 sub_8148EC0(u8 a, u16 b, u16 c, u16 d){
-	u8 taskId = CreateTask(&sub_8148F3C, 0);
-	gTasks[taskId].data[0] = a;
-	gTasks[taskId].data[1] = b;
-	gTasks[taskId].data[2] = 0;
-	gTasks[taskId].data[3] = 0;
-	gTasks[taskId].data[4] = c;
-	gTasks[taskId].data[5] = 0;
-	gTasks[taskId].data[6] = 0;
-	gTasks[taskId].data[7] = d;
-	gTasks[taskId].data[8] = 8;
-	gTasks[taskId].data[9] = 0;
-	sub_8148F3C(taskId);
-	return taskId;
+void sub_814910C(struct Sprite *sprite)
+{
+    if(gUnknown_0203935C)
+	{
+	    DestroySprite(sprite);
+	}
+	else
+	{
+	    s32 var = ((sprite->pos1.x << 16) | (u16)sprite->data2) + (u16)sprite->data1;
+        sprite->pos1.x = var >> 16;
+        sprite->data2 = var;
+		if (sprite->pos1.x > 255) sprite->pos1.x = 0xFFE0;
+		if (sprite->data0)
+		{
+			sprite->pos2.y = -(gUnknown_02039358 + gUnknown_0203935A);
+		}
+		else
+		{
+			sprite->pos2.y = -gUnknown_02039358;
+		}
+	}
 }
+
+struct UnknownStruct1
+{
+    s8 var0;
+    s8 var1;
+    u8 var2;
+    u8 var3;
+    u16 var4;
+};
+
+// void sub_8149174(u8 a, struct UnknownStruct1 *b, union AnimCmd **c, u8 d)
+// {
+    // int i;
+	// for(i = 0, i < d, i++)
+	// {
+		    // u8 sprite = CreateSprite(&gSpriteTemplate_8416B3C, b[i].var1, b[i].var2, b[i].var3)
+			// CalcCenterToCornerVec(&gSprites[sprite], b[i].var0 / 16, b[i].var0 << 20, 0)
+			// gSprites[sprite].oam.priority = 3;
+			
+    // }
+// } 
\ No newline at end of file