sub_500B4

asm/rom_4CEA8.s

@@ -5916,85 +5916,3 @@ _080500A4: .4byte gUnknown_086B11FC
 _080500A8: .4byte 0x040000D4
 _080500AC: .4byte 0x80000020
 _080500B0: .4byte 0x80000040
-
-	thumb_func_start sub_500B4
-sub_500B4: @ 0x080500B4
-	push {r4, r5, lr}
-	movs r1, #0
-	ldr r5, _0805013C @ =gCurrentPinballGame
-	ldr r2, [r5]
-	ldr r3, _08050140 @ =0x00000729
-	adds r0, r2, r3
-	ldrb r0, [r0]
-	lsls r0, r0, #0x18
-	asrs r0, r0, #0x18
-	cmp r0, #0
-	ble _080500D8
-	ldr r1, _08050144 @ =0x00000734
-	adds r0, r2, r1
-	ldrh r1, [r0]
-	movs r0, #1
-	subs r0, r0, r1
-	lsls r0, r0, #0x10
-	lsrs r1, r0, #0x10
-_080500D8:
-	lsls r0, r1, #0x10
-	asrs r0, r0, #0xc
-	ldr r1, _08050148 @ =gUnknown_086B122C
-	adds r3, r0, r1
-	adds r4, r1, #0
-	adds r4, #0x20
-	adds r0, r2, #0
-	adds r0, #0x6a
-	movs r1, #0
-	ldrsh r0, [r0, r1]
-	cmp r0, #0xc2
-	bgt _08050100
-	ldr r1, _0805014C @ =0x040000D4
-	ldr r0, [r3, #4]
-	str r0, [r1]
-	ldr r0, [r4, #4]
-	str r0, [r1, #4]
-	ldr r0, _08050150 @ =0x80000040
-	str r0, [r1, #8]
-	ldr r0, [r1, #8]
-_08050100:
-	ldr r0, [r5]
-	adds r2, r0, #0
-	adds r2, #0x6a
-	movs r1, #0
-	ldrsh r0, [r2, r1]
-	cmp r0, #0x1e
-	ble _0805011E
-	ldr r1, _0805014C @ =0x040000D4
-	ldr r0, [r3, #8]
-	str r0, [r1]
-	ldr r0, [r4, #8]
-	str r0, [r1, #4]
-	ldr r0, _08050150 @ =0x80000040
-	str r0, [r1, #8]
-	ldr r0, [r1, #8]
-_0805011E:
-	movs r1, #0
-	ldrsh r0, [r2, r1]
-	cmp r0, #0x26
-	ble _08050136
-	ldr r1, _0805014C @ =0x040000D4
-	ldr r0, [r3, #0xc]
-	str r0, [r1]
-	ldr r0, [r4, #0xc]
-	str r0, [r1, #4]
-	ldr r0, _08050150 @ =0x80000040
-	str r0, [r1, #8]
-	ldr r0, [r1, #8]
-_08050136:
-	pop {r4, r5}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0805013C: .4byte gCurrentPinballGame
-_08050140: .4byte 0x00000729
-_08050144: .4byte 0x00000734
-_08050148: .4byte gUnknown_086B122C
-_0805014C: .4byte 0x040000D4
-_08050150: .4byte 0x80000040

include/global.h

@@ -625,7 +625,7 @@ struct PinballGame
     /*0x724*/ u16 unk724;
     /*0x726*/ u8 filler726[0x2];
     /*0x728*/ u8 unk728; // TODO: unknown type
-    /*0x729*/ u8 filler729[0x1];
+    /*0x729*/ s8 unk729;
     /*0x72A*/ s8 unk72A;
     /*0x72B*/ u8 filler72B[0x3];
     /*0x72E*/ s8 unk72E;

src/rom_50AD4.c

@@ -10,8 +10,37 @@ extern const u8 *gUnknown_086B125C[][4];
 extern const u8 *gUnknown_086B12D0[][4];
 extern const u8 *gUnknown_086B14A8[][5][3];
 extern const u8 *gUnknown_086B1340[][5][3];
+extern const u8 *gUnknown_086B122C[][4];
 
 
+void sub_500B4(void)
+{
+    s16 index;
+    const u8 **src;
+    const u8 **dest;
+
+    index = 0;
+    if (gCurrentPinballGame->unk729 > 0)
+        index = 1 - gCurrentPinballGame->unk734;
+
+    src = gUnknown_086B122C[index];
+    dest = gUnknown_086B122C[2];
+    if (gCurrentPinballGame->unk6A < 195)
+    {
+        DmaCopy16(3, src[1], dest[1], 0x80);
+    }
+
+    if (gCurrentPinballGame->unk6A > 30)
+    {
+        DmaCopy16(3, src[2], dest[2], 0x80);
+    }
+
+    if (gCurrentPinballGame->unk6A > 38)
+    {
+        DmaCopy16(3, src[3], dest[3], 0x80);
+    }
+}
+
 void sub_50154(void)
 {
     s16 sp0[3];