sub_800F498

asm/link_rfu.s

@@ -5,56 +5,6 @@
 
 	.text
 
-	thumb_func_start sub_800F498
-sub_800F498: @ 800F498
-	push {r4,r5,lr}
-	adds r4, r0, 0
-	adds r2, r1, 0
-	ldrh r1, [r4]
-	cmp r1, 0
-	beq _0800F4DC
-	ldr r0, =gUnknown_03005000
-	movs r5, 0x81
-	lsls r5, 1
-	adds r3, r0, r5
-	ldrb r0, [r3]
-	lsls r0, 5
-	orrs r0, r1
-	strh r0, [r4]
-	ldrb r0, [r3]
-	adds r0, 0x1
-	movs r1, 0x7
-	ands r0, r1
-	strb r0, [r3]
-	adds r3, r4, 0
-	movs r4, 0x6
-_0800F4C2:
-	ldrh r1, [r3]
-	lsrs r0, r1, 8
-	strb r0, [r2, 0x1]
-	strb r1, [r2]
-	adds r2, 0x2
-	adds r3, 0x2
-	subs r4, 0x1
-	cmp r4, 0
-	bge _0800F4C2
-	b _0800F4EA
-	.pool
-_0800F4DC:
-	movs r1, 0
-	adds r0, r2, 0
-	adds r0, 0xD
-_0800F4E2:
-	strb r1, [r0]
-	subs r0, 0x1
-	cmp r0, r2
-	bge _0800F4E2
-_0800F4EA:
-	pop {r4,r5}
-	pop {r0}
-	bx r0
-	thumb_func_end sub_800F498
-
 	thumb_func_start sub_800F4F0
 sub_800F4F0: @ 800F4F0
 	push {r4-r7,lr}

include/link_rfu.h

@@ -152,7 +152,9 @@ struct UnkRfuStruct_2 {
     /* 0x080 */ struct UnkRfuStruct_2_Sub_6c unk_80[5];
     /* 0x0e4 */ u8 filler_e4[10];
     /* 0x0ee */ vu8 unk_ee;
-    /* 0x0ef */ u8 filler_ef[0x35];
+    /* 0x0ef */ u8 filler_ef[0x13];
+    /* 0x102 */ u8 unk_102;
+    /* 0x103 */ u8 filler_103[0x21];
     /* 0x124 */ struct UnkRfuStruct_2_Sub_124 unk_124;
     /* 0x9e8 */ struct UnkRfuStruct_2_Sub_9e8 unk_9e8;
     /* 0xc1c */ struct UnkRfuStruct_2_Sub_c1c unk_c1c;

src/link_rfu.c

@@ -3123,3 +3123,24 @@ bool32 sub_800F1E0(void)
     retval = gUnknown_03005000.unk_cdc;
     return gUnknown_03007890->unk_06 ? retval & 1 : FALSE;
 }
+
+void sub_800F498(u16 *a0, u8 *a1)
+{
+    int i;
+
+    if (a0[0])
+    {
+        a0[0] |= (gUnknown_03005000.unk_102 << 5);
+        gUnknown_03005000.unk_102 = (gUnknown_03005000.unk_102 + 1) & 7;
+        for (i = 0; i < 7; i++)
+        {
+            a1[2 * i + 1] = a0[i] >> 8;
+            a1[2 * i + 0] = a0[i];
+        }
+    }
+    else
+    {
+        for (i = 0; i < 14; i++)
+            a1[i] = 0;
+    }
+}