through rfufunc_80FA020

asm/link_rfu.s

@@ -5,337 +5,6 @@
 
 	.text
 
-	thumb_func_start sub_800FE50
-sub_800FE50: @ 800FE50
-	push {r4,lr}
-	adds r4, r0, 0
-	ldr r0, =gSendCmd
-	ldrh r0, [r0]
-	cmp r0, 0
-	bne _0800FE76
-	bl sub_8011A80
-	cmp r0, 0
-	bne _0800FE76
-	ldr r0, =gUnknown_03005000+0xF2
-	adds r1, r4, 0
-	movs r2, 0xC
-	bl memcpy
-	movs r0, 0xBC
-	lsls r0, 6
-	bl sub_800FD14
-_0800FE76:
-	pop {r4}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end sub_800FE50
-
-	thumb_func_start sub_800FE84
-@ bool8 sub_800FE84(u32 a1, u32 size)
-sub_800FE84: @ 800FE84
-	push {r4-r7,lr}
-	mov r7, r9
-	mov r6, r8
-	push {r6,r7}
-	adds r7, r0, 0
-	adds r6, r1, 0
-	ldr r5, =gUnknown_03005000
-	ldr r0, [r5]
-	cmp r0, 0
-	bne _0800FEB8
-	ldr r0, =gSendCmd
-	ldrh r0, [r0]
-	cmp r0, 0
-	bne _0800FEB8
-	movs r0, 0x7C
-	adds r0, r5
-	mov r9, r0
-	ldrb r1, [r0]
-	mov r8, r1
-	cmp r1, 0
-	beq _0800FEC8
-	ldr r1, =gUnknown_02022B44
-	adds r1, 0x83
-	ldrb r0, [r1]
-	adds r0, 0x1
-	strb r0, [r1]
-_0800FEB8:
-	movs r0, 0
-	b _0800FF32
-	.pool
-_0800FEC8:
-	adds r0, r6, 0
-	movs r1, 0xC
-	bl __umodsi3
-	negs r4, r0
-	orrs r4, r0
-	lsrs r4, 31
-	bl GetMultiplayerId
-	adds r1, r5, 0
-	adds r1, 0x7D
-	strb r0, [r1]
-	movs r0, 0x1
-	mov r1, r9
-	strb r0, [r1]
-	adds r0, r6, 0
-	movs r1, 0xC
-	bl __udivsi3
-	adds r0, r4
-	adds r1, r5, 0
-	adds r1, 0x6E
-	strh r0, [r1]
-	adds r0, r5, 0
-	adds r0, 0x6C
-	mov r1, r8
-	strh r1, [r0]
-	movs r0, 0x80
-	lsls r0, 1
-	cmp r6, r0
-	bls _0800FF0A
-	str r7, [r5, 0x70]
-	b _0800FF1C
-_0800FF0A:
-	ldr r4, =gBlockSendBuffer
-	cmp r7, r4
-	beq _0800FF1A
-	adds r0, r4, 0
-	adds r1, r7, 0
-	adds r2, r6, 0
-	bl memcpy
-_0800FF1A:
-	str r4, [r5, 0x70]
-_0800FF1C:
-	movs r0, 0x88
-	lsls r0, 8
-	bl sub_800FD14
-	ldr r0, =gUnknown_03005000
-	ldr r1, =rfufunc_80F9F44
-	str r1, [r0]
-	adds r0, 0x5B
-	movs r1, 0
-	strb r1, [r0]
-	movs r0, 0x1
-_0800FF32:
-	pop {r3,r4}
-	mov r8, r3
-	mov r9, r4
-	pop {r4-r7}
-	pop {r1}
-	bx r1
-	.pool
-	thumb_func_end sub_800FE84
-
-	thumb_func_start rfufunc_80F9F44
-rfufunc_80F9F44: @ 800FF4C
-	push {r4,r5,lr}
-	ldr r0, =gSendCmd
-	ldrh r0, [r0]
-	cmp r0, 0
-	bne _0800FFA0
-	movs r5, 0x88
-	lsls r5, 8
-	adds r0, r5, 0
-	bl sub_800FD14
-	ldr r4, =gUnknown_03005000
-	ldrb r0, [r4, 0xC]
-	cmp r0, 0x1
-	bne _0800FF84
-	adds r1, r4, 0
-	adds r1, 0x5B
-	ldrb r0, [r1]
-	adds r0, 0x1
-	strb r0, [r1]
-	lsls r0, 24
-	lsrs r0, 24
-	cmp r0, 0x2
-	bls _0800FFA0
-	b _0800FF9C
-	.pool
-_0800FF84:
-	bl GetMultiplayerId
-	ldr r1, =gRecvCmds
-	lsls r0, 24
-	lsrs r0, 20
-	adds r0, r1
-	ldrh r1, [r0]
-	movs r0, 0xFF
-	lsls r0, 8
-	ands r0, r1
-	cmp r0, r5
-	bne _0800FFA0
-_0800FF9C:
-	ldr r0, =sub_800FFB0
-	str r0, [r4]
-_0800FFA0:
-	pop {r4,r5}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end rfufunc_80F9F44
-
-	thumb_func_start sub_800FFB0
-sub_800FFB0: @ 800FFB0
-	push {r4-r6,lr}
-	ldr r0, =gUnknown_03005000
-	mov r12, r0
-	ldr r5, [r0, 0x70]
-	ldr r3, =gSendCmd
-	mov r2, r12
-	adds r2, 0x6C
-	ldrh r1, [r2]
-	movs r4, 0x89
-	lsls r4, 8
-	adds r0, r4, 0
-	orrs r0, r1
-	strh r0, [r3]
-	movs r4, 0
-	adds r6, r2, 0
-	adds r3, 0x2
-_0800FFD0:
-	lsls r2, r4, 1
-	ldrh r1, [r6]
-	lsls r0, r1, 1
-	adds r0, r1
-	lsls r0, 2
-	adds r0, r2
-	adds r0, r5
-	ldrb r1, [r0, 0x1]
-	lsls r1, 8
-	ldrb r0, [r0]
-	orrs r0, r1
-	strh r0, [r3]
-	adds r3, 0x2
-	adds r4, 0x1
-	cmp r4, 0x6
-	ble _0800FFD0
-	mov r0, r12
-	adds r0, 0x6C
-	ldrh r1, [r0]
-	adds r1, 0x1
-	strh r1, [r0]
-	adds r0, 0x2
-	ldrh r0, [r0]
-	lsls r1, 16
-	lsrs r1, 16
-	cmp r0, r1
-	bhi _08010014
-	mov r0, r12
-	adds r0, 0x7C
-	movs r1, 0
-	strb r1, [r0]
-	ldr r0, =rfufunc_80FA020
-	mov r1, r12
-	str r0, [r1]
-_08010014:
-	pop {r4-r6}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end sub_800FFB0
-
-	thumb_func_start rfufunc_80FA020
-rfufunc_80FA020: @ 8010028
-	push {r4-r7,lr}
-	mov r7, r9
-	mov r6, r8
-	push {r6,r7}
-	ldr r5, =gUnknown_03005000
-	ldr r0, [r5, 0x70]
-	mov r8, r0
-	bl GetMultiplayerId
-	lsls r0, 24
-	lsrs r6, r0, 24
-	ldrb r0, [r5, 0xC]
-	cmp r0, 0
-	bne _080100F0
-	ldr r3, =gSendCmd
-	adds r2, r5, 0
-	adds r2, 0x6E
-	ldrh r0, [r2]
-	subs r0, 0x1
-	ldr r4, =0xffff8900
-	adds r1, r4, 0
-	orrs r0, r1
-	strh r0, [r3]
-	movs r4, 0
-	mov r9, r5
-	ldr r0, =gRecvCmds
-	mov r12, r0
-	lsls r5, r6, 4
-	adds r7, r2, 0
-	adds r3, 0x2
-_08010064:
-	lsls r2, r4, 1
-	ldrh r1, [r7]
-	lsls r0, r1, 1
-	adds r0, r1
-	lsls r0, 2
-	adds r0, r2
-	add r0, r8
-	adds r1, r0, 0
-	subs r1, 0xB
-	ldrb r1, [r1]
-	lsls r1, 8
-	subs r0, 0xC
-	ldrb r0, [r0]
-	orrs r0, r1
-	strh r0, [r3]
-	adds r3, 0x2
-	adds r4, 0x1
-	cmp r4, 0x6
-	ble _08010064
-	mov r1, r12
-	adds r0, r5, r1
-	ldrb r1, [r0]
-	mov r3, r9
-	adds r0, r3, 0
-	adds r0, 0x6E
-	ldrh r0, [r0]
-	subs r0, 0x1
-	cmp r1, r0
-	bne _080100F4
-	lsls r0, r6, 2
-	adds r0, r6
-	lsls r0, 2
-	adds r1, r3, 0
-	adds r1, 0x88
-	adds r1, r0, r1
-	ldr r2, =gUnknown_082ED628
-	adds r0, r3
-	adds r0, 0x82
-	ldrh r0, [r0]
-	lsls r0, 2
-	adds r0, r2
-	ldr r1, [r1]
-	ldr r0, [r0]
-	cmp r1, r0
-	beq _080100E8
-	adds r0, r6, 0
-	bl sub_800F638
-	ldr r1, =gUnknown_02022B44
-	adds r1, 0x64
-	ldrh r0, [r1]
-	adds r0, 0x1
-	strh r0, [r1]
-	b _080100F4
-	.pool
-_080100E8:
-	movs r0, 0
-	mov r4, r9
-	str r0, [r4]
-	b _080100F4
-_080100F0:
-	movs r0, 0
-	str r0, [r5]
-_080100F4:
-	pop {r3,r4}
-	mov r8, r3
-	mov r9, r4
-	pop {r4-r7}
-	pop {r0}
-	bx r0
-	thumb_func_end rfufunc_80FA020
-
 	thumb_func_start sub_8010100
 sub_8010100: @ 8010100
 	push {lr}

include/link_rfu.h

@@ -47,7 +47,11 @@ struct UnkLinkRfuStruct_02022B44
     u8 fill_08[6];
     vu8 unk_0e;
     u8 unk_0f;
-    u8 fill_10[0xcc];
+    u8 fill_10[0x54];
+    u16 unk_64;
+    u8 fill_66[0x1d];
+    u8 unk_83;
+    u8 fill_84[0x58];
 };
 
 struct UnkRfuStruct_1 {
@@ -96,7 +100,7 @@ struct UnkRfuStruct_1 {
 struct UnkRfuStruct_2_Sub_6c {
     /* 0x00 */ u16 unk_00;
     /* 0x02 */ u16 unk_02;
-    /* 0x04 */ u8 *unk_04;
+    /* 0x04 */ const u8 *unk_04;
     /* 0x08 */ u32 unk_08;
     /* 0x0c */ u32 unk_0c;
     /* 0x10 */ u8 unk_10;
@@ -210,7 +214,7 @@ bool32 sub_800F7E4(void);
 void sub_800F804(void);
 void sub_800F850(void);
 u8 sub_800FCD8(void);
-bool32 sub_800FE84(const void *src, size_t size);
+bool32 sub_800FE84(const u8 *src, size_t size);
 void Rfu_set_zero(void);
 u8 sub_80104F4(void);
 u8 rfu_get_multiplayer_id(void);
@@ -224,10 +228,15 @@ void sub_800E174(void);
 void sub_800E6D0(void);
 bool32 sub_8010EC0(void);
 bool32 sub_8010F1C(void);
+bool32 sub_8011A80(void);
 bool32 sub_800F0B8(void);
 u32 sub_80124D4(void);
 void RfuVSync(void);
 void sub_80111B0(bool32 a0);
 u8 sub_8011A74(void);
+struct UnkLinkRfuStruct_02022B14 *sub_800F7DC(void);
+void sub_8011068(u8 a0);
+void sub_8011170(u32 a0);
+void sub_8011A64(u8 a0, u16 a1);
 
 #endif //GUARD_LINK_RFU_H

src/link_rfu.c

@@ -49,16 +49,18 @@ static void sub_800D358(u8 a0);
 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);
+static bool8 sub_800DAC8(struct UnkRfuStruct_2_Sub_c1c *q1, u8 *q2);
 static void sub_800EAB4(void);
 static void sub_800EAFC(void);
 void sub_800ED34(u16 unused);
 static void sub_800EDBC(u16 unused);
 static void sub_800F048(void);
-struct UnkLinkRfuStruct_02022B14 *sub_800F7DC(void);
+static void sub_800F86C(u8 unused);
-void sub_800F86C(u8 a0);
+static void sub_800FCC4(struct UnkRfuStruct_2_Sub_6c *data);
-void sub_800FCC4(struct UnkRfuStruct_2_Sub_6c *data);
+void sub_800FD14(u16 command);
-void sub_800FD14(u16 a0);
+void rfufunc_80F9F44(void);
+void sub_800FFB0(void);
+void rfufunc_80FA020(void);
 bool32 sub_8010454(u16 a0);
 void sub_8010528(void);
 void sub_8010750(void);
@@ -68,9 +70,6 @@ void sub_80109E8(u16 a0);
 void sub_8010A70(void *a0);
 void sub_8010AAC(u8 taskId);
 void sub_8010D0C(u8 taskId);
-void sub_8011068(u8 a0);
-void sub_8011170(u32 a0);
-void sub_8011A64(u8 a0, u16 a1);
 void sub_8011D6C(u8 a0);
 u8 sub_8012224(void);
 void sub_801227C(void);
@@ -1885,7 +1884,7 @@ void sub_800DA68(struct UnkRfuStruct_2_Sub_c1c *q1, const u8 *q2)
     }
 }
 
-bool8 sub_800DAC8(struct UnkRfuStruct_2_Sub_c1c *q1, u8 *q2)
+static bool8 sub_800DAC8(struct UnkRfuStruct_2_Sub_c1c *q1, u8 *q2)
 {
     int i;
 
@@ -3393,7 +3392,7 @@ void sub_800F850(void)
         gUnknown_03005000.unk_00 = sub_800F820;
 }
 
-void sub_800F86C(u8 unused)
+static void sub_800F86C(u8 unused)
 {
     u16 i;
     u16 j;
@@ -3523,7 +3522,7 @@ bool8 sub_800FC88(void)
     return TRUE;
 }
 
-void sub_800FCC4(struct UnkRfuStruct_2_Sub_6c *data)
+static void sub_800FCC4(struct UnkRfuStruct_2_Sub_6c *data)
 {
     data->unk_00 = 0;
     data->unk_02 = 0;
@@ -3749,3 +3748,101 @@ __attribute__((naked)) void sub_800FD14(u16 command)
                     "\t.pool");
 }
 #endif
+
+void sub_800FE50(u16 *a0)
+{
+    if (gSendCmd[0] == 0 && sub_8011A80() == 0)
+    {
+        memcpy(gUnknown_03005000.unk_f2, a0, sizeof(gUnknown_03005000.unk_f2));
+        sub_800FD14(0x2f00);
+    }
+}
+
+bool32 sub_800FE84(const u8 *src, size_t size)
+{
+    bool8 r4;
+    if (gUnknown_03005000.unk_00 != NULL)
+        return FALSE;
+    if (gSendCmd[0] != 0)
+        return FALSE;
+    if (gUnknown_03005000.unk_6c.unk_10 != 0)
+    {
+        gUnknown_02022B44.unk_83++;
+        return FALSE;
+    }
+    r4 = (size % 12) != 0;
+    gUnknown_03005000.unk_6c.unk_11 = GetMultiplayerId();
+    gUnknown_03005000.unk_6c.unk_10 = 1;
+    gUnknown_03005000.unk_6c.unk_02 = (size / 12) + r4;
+    gUnknown_03005000.unk_6c.unk_00 = 0;
+    if (size > 0x100)
+        gUnknown_03005000.unk_6c.unk_04 = src;
+    else
+    {
+        if (src != gBlockSendBuffer)
+            memcpy(gBlockSendBuffer, src, size);
+        gUnknown_03005000.unk_6c.unk_04 = gBlockSendBuffer;
+    }
+    sub_800FD14(0x8800);
+    gUnknown_03005000.unk_00 = rfufunc_80F9F44;
+    gUnknown_03005000.unk_5b = 0;
+    return TRUE;
+}
+
+void rfufunc_80F9F44(void)
+{
+    if (gSendCmd[0] == 0)
+    {
+        sub_800FD14(0x8800);
+        if (gUnknown_03005000.unk_0c == 1)
+        {
+            if (++gUnknown_03005000.unk_5b > 2)
+                gUnknown_03005000.unk_00 = sub_800FFB0;
+        }
+        else
+        {
+            if ((gRecvCmds[GetMultiplayerId()][0] & 0xff00) == 0x8800)
+                gUnknown_03005000.unk_00 = sub_800FFB0;
+        }
+    }
+}
+
+void sub_800FFB0(void)
+{
+    int i;
+    const u8 *src = gUnknown_03005000.unk_6c.unk_04;
+    gSendCmd[0] = 0x8900 | gUnknown_03005000.unk_6c.unk_00;
+    for (i = 0; i < 7; i++)
+        gSendCmd[i + 1] = (src[(i << 1) + gUnknown_03005000.unk_6c.unk_00 * 12 + 1] << 8) | src[(i << 1) + gUnknown_03005000.unk_6c.unk_00 * 12 + 0];
+    gUnknown_03005000.unk_6c.unk_00++;
+    if (gUnknown_03005000.unk_6c.unk_02 <= gUnknown_03005000.unk_6c.unk_00)
+    {
+        gUnknown_03005000.unk_6c.unk_10 = 0;
+        gUnknown_03005000.unk_00 = rfufunc_80FA020;
+    }
+}
+
+void rfufunc_80FA020(void)
+{
+    const u8 *src = gUnknown_03005000.unk_6c.unk_04;
+    u8 mpId = GetMultiplayerId();
+    int i;
+    if (gUnknown_03005000.unk_0c == 0)
+    {
+        gSendCmd[0] = (~0x76ff) | (gUnknown_03005000.unk_6c.unk_02 - 1);
+        for (i = 0; i < 7; i++)
+            gSendCmd[i + 1] = (src[(i << 1) + (gUnknown_03005000.unk_6c.unk_02 - 1) * 12 + 1] << 8) | src[(i << 1) + (gUnknown_03005000.unk_6c.unk_02 - 1) * 12 + 0];
+        if ((u8)gRecvCmds[mpId][0] == gUnknown_03005000.unk_6c.unk_02 - 1)
+        {
+            if (gUnknown_03005000.unk_80[mpId].unk_08 != gUnknown_082ED628[gUnknown_03005000.unk_80[mpId].unk_02])
+            {
+                sub_800F638(mpId, gUnknown_03005000.unk_80[mpId].unk_08);
+                gUnknown_02022B44.unk_64++;
+            }
+            else
+                gUnknown_03005000.unk_00 = NULL;
+        }
+    }
+    else
+        gUnknown_03005000.unk_00 = NULL;
+}