through sub_800EDBC

asm/link_rfu.s

@@ -5,97 +5,6 @@
 
 	.text
 
-	thumb_func_start sub_800ED10
-sub_800ED10: @ 800ED10
-	push {lr}
-	ldr r3, =gUnknown_082ED6E0
-	movs r0, 0x1
-	movs r1, 0
-	movs r2, 0xF0
-	bl sub_800C054
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end sub_800ED10
-
-	thumb_func_start sub_800ED28
-sub_800ED28: @ 800ED28
-	push {lr}
-	movs r0, 0
-	bl sub_800C27C
-	pop {r0}
-	bx r0
-	thumb_func_end sub_800ED28
-
-	thumb_func_start sub_800ED34
-sub_800ED34: @ 800ED34
-	push {r4,lr}
-	ldr r0, =gUnknown_03005000
-	movs r2, 0
-	movs r1, 0xD
-	adds r0, 0x59
-_0800ED3E:
-	strb r2, [r0]
-	subs r0, 0x1
-	subs r1, 0x1
-	cmp r1, 0
-	bge _0800ED3E
-	bl rfu_REQ_recvData
-	bl rfu_waitREQComplete
-	ldr r1, =gUnknown_03007870
-	ldr r3, =gUnknown_03005000
-	ldr r0, =0x00000c3e
-	adds r4, r3, r0
-	ldrb r0, [r4]
-	lsls r0, 2
-	adds r0, r1
-	ldr r0, [r0]
-	ldrb r0, [r0, 0x12]
-	cmp r0, 0
-	beq _0800ED9A
-	movs r2, 0xCD
-	lsls r2, 4
-	adds r1, r3, r2
-	ldrb r0, [r1]
-	adds r0, 0x1
-	ldrb r2, [r1]
-	strb r0, [r1]
-	movs r1, 0x92
-	lsls r1, 1
-	adds r0, r3, r1
-	ldr r2, =0x00000c3f
-	adds r1, r3, r2
-	bl sub_800D7D8
-	ldr r1, =gUnknown_02022B44
-	ldrh r0, [r1, 0x6]
-	adds r0, 0x1
-	strh r0, [r1, 0x6]
-	bl sub_800F048
-	ldrb r0, [r4]
-	bl rfu_UNI_readySendData
-	ldrb r0, [r4]
-	bl rfu_UNI_clearRecvNewDataFlag
-_0800ED9A:
-	movs r0, 0x1
-	bl rfu_REQ_sendData_wrapper
-	pop {r4}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end sub_800ED34
-
-	thumb_func_start sub_800EDBC
-sub_800EDBC: @ 800EDBC
-	ldr r0, =gUnknown_03005000
-	ldr r1, =0x00000cdb
-	adds r0, r1
-	ldrb r1, [r0]
-	movs r1, 0x1
-	strb r1, [r0]
-	bx lr
-	.pool
-	thumb_func_end sub_800EDBC
-
 	thumb_func_start sub_800EDD4
 sub_800EDD4: @ 800EDD4
 	push {r4-r6,lr}

include/librfu.h

@@ -108,7 +108,8 @@ struct RfuUnk1
     u16 unk_0;
     u8 unk_2;
     u8 unk_3;
-    u8 fill_4[0x10];
+    u8 fill_4[14];
+    u8 unk_12;
     u32 unk_14;
     u32 unk_18;
     struct RfuIntrStruct unk_1c;
@@ -217,3 +218,6 @@ u16 rfu_initializeAPI(u32 *unk0, u16 unk1, IntrFunc *interrupt, bool8 copyInterr
 void rfu_setTimerInterrupt(u8 which, IntrFunc *intr);
 void rfu_setRecvBuffer(u8 a0, u8 a1, void *a2, size_t a3);
 bool16 rfu_UNI_setSendData(u8 flag, void *ptr, u8 size);
+void rfu_REQ_recvData(void);
+void rfu_UNI_readySendData(u8 a0);
+void rfu_UNI_clearRecvNewDataFlag(u8 a0);

include/link_rfu.h

@@ -42,7 +42,9 @@ struct UnkLinkRfuStruct_02022B2C
 
 struct UnkLinkRfuStruct_02022B44
 {
-    u8 fill_00[15];
+    u8 fill_00[6];
+    u16 unk_06;
+    u8 fill_08[7];
     u8 unk_0f;
     u8 fill_10[0xcc];
 };
@@ -155,8 +157,10 @@ struct UnkRfuStruct_2 {
     /* 0xc3f */ u8 unk_c3f[70];
     /* 0xc85 */ u8 filler_c85[2];
     /* 0xc87 */ u8 unk_c87[70];
-    /* 0xccb */ u8 filler_ccb[13];
-    /* 0xccb */ u8 unk_cda;
+    /* 0xccb */ u8 filler_ccd[3];
+    /* 0xcd0 */ vu8 unk_cd0;
+    /* 0xcd1 */ u8 filler_cd1[9];
+    /* 0xcda */ u8 unk_cda;
     /* 0xcdb */ vu8 unk_cdb;
     /* 0xcdc */ u8 filler_cdc[2];
     /* 0xcde */ u8 unk_cde[4];

src/link_rfu.c

@@ -48,10 +48,11 @@ static void sub_800D434(void);
 static void sub_800D610(void);
 void sub_800D630(void);
 bool8 sub_800DAC8(struct UnkRfuStruct_2_Sub_c1c *q1, u8 *q2);
-void sub_800EDBC(u16 a0);
-void sub_800EAB4(void);
-void sub_800EAFC(void);
-void sub_800ED34(u16 a0);
+static void sub_800EAB4(void);
+static void sub_800EAFC(void);
+void sub_800ED34(u16 unused);
+static void sub_800EDBC(u16 unused);
+void sub_800F048(void);
 struct UnkLinkRfuStruct_02022B14 *sub_800F7DC(void);
 void sub_800FCC4(struct UnkRfuStruct_2_Sub_6c *data);
 bool32 sub_8010454(u16 a0);
@@ -2629,7 +2630,7 @@ void sub_800E94C(u8 taskId)
     }
 }
 
-void sub_800EAB4(void)
+static void sub_800EAB4(void)
 {
     u8 i;
     u8 r5 = gUnknown_03004140.unk_00;
@@ -2644,7 +2645,7 @@ void sub_800EAB4(void)
     }
 }
 
-void sub_800EAFC(void)
+static void sub_800EAFC(void)
 {
     u8 r5 = gUnknown_03004140.unk_00;
     rfu_UNI_setSendData(r5, gUnknown_03005000.unk_c87, 70);
@@ -2714,3 +2715,40 @@ void sub_800EB44(u8 taskId)
             break;
     }
 }
+
+void sub_800ED10(void)
+{
+    sub_800C054(1, 0, 240, gUnknown_082ED6E0);
+}
+
+void sub_800ED28(void)
+{
+    sub_800C27C(FALSE);
+}
+
+void sub_800ED34(u16 unused)
+{
+    int i;
+
+    for (i = 0; i < 14; i++)
+    {
+        gUnknown_03005000.unk_4c[0][i] = 0;
+    }
+    rfu_REQ_recvData();
+    rfu_waitREQComplete();
+    if (gUnknown_03007870[gUnknown_03005000.unk_c3e]->unk_12)
+    {
+        gUnknown_03005000.unk_cd0++;
+        sub_800D7D8(&gUnknown_03005000.unk_124, gUnknown_03005000.unk_c3f);
+        gUnknown_02022B44.unk_06++;
+        sub_800F048();
+        rfu_UNI_readySendData(gUnknown_03005000.unk_c3e);
+        rfu_UNI_clearRecvNewDataFlag(gUnknown_03005000.unk_c3e);
+    }
+    rfu_REQ_sendData_wrapper(1);
+}
+
+static void sub_800EDBC(u16 unused)
+{
+    gUnknown_03005000.unk_cdb = 1;
+}