through sub_800B3A4

asm/link.s

@@ -5,92 +5,6 @@
 
 	.text
 
-	thumb_func_start sub_800B348
-sub_800B348: @ 800B348
-	push {r4-r6,lr}
-	bl InitLocalLinkPlayer
-	ldr r1, =gLocalLinkPlayerBlock
-	adds r2, r1, 0
-	adds r2, 0x10
-	ldr r0, =gLocalLinkPlayer
-	ldm r0!, {r3-r5}
-	stm r2!, {r3-r5}
-	ldm r0!, {r3,r4,r6}
-	stm r2!, {r3,r4,r6}
-	ldr r0, [r0]
-	str r0, [r2]
-	ldr r3, =gASCIIGameFreakInc
-	adds r2, r1, 0
-	adds r0, r3, 0
-	ldm r0!, {r4-r6}
-	stm r2!, {r4-r6}
-	ldrh r4, [r0]
-	strh r4, [r2]
-	ldrb r0, [r0, 0x2]
-	strb r0, [r2, 0x2]
-	adds r0, r1, 0
-	adds r0, 0x2C
-	ldm r3!, {r2,r5,r6}
-	stm r0!, {r2,r5,r6}
-	ldrh r2, [r3]
-	strh r2, [r0]
-	ldrb r2, [r3, 0x2]
-	strb r2, [r0, 0x2]
-	ldr r0, =gBlockSendBuffer
-	movs r2, 0x3C
-	bl memcpy
-	pop {r4-r6}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end sub_800B348
-
-	thumb_func_start sub_800B3A4
-sub_800B3A4: @ 800B3A4
-	push {r4-r6,lr}
-	lsls r0, 24
-	lsrs r0, 24
-	lsls r2, r0, 8
-	ldr r1, =gBlockRecvBuffer
-	adds r4, r2, r1
-	lsls r2, r0, 3
-	subs r2, r0
-	lsls r2, 2
-	ldr r0, =gLinkPlayers
-	adds r2, r0
-	adds r1, r2, 0
-	adds r0, r4, 0
-	adds r0, 0x10
-	ldm r0!, {r3,r5,r6}
-	stm r1!, {r3,r5,r6}
-	ldm r0!, {r3,r5,r6}
-	stm r1!, {r3,r5,r6}
-	ldr r0, [r0]
-	str r0, [r1]
-	adds r0, r2, 0
-	bl sub_800B524
-	ldr r5, =gASCIIGameFreakInc
-	adds r0, r4, 0
-	adds r1, r5, 0
-	bl strcmp
-	cmp r0, 0
-	bne _0800B3EE
-	adds r0, r4, 0
-	adds r0, 0x2C
-	adds r1, r5, 0
-	bl strcmp
-	cmp r0, 0
-	beq _0800B3F4
-_0800B3EE:
-	ldr r0, =CB2_LinkError
-	bl SetMainCallback2
-_0800B3F4:
-	pop {r4-r6}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end sub_800B3A4
-
 	thumb_func_start HandleLinkConnection
 HandleLinkConnection: @ 800B40C
 	push {r4,r5,lr}

src/link.c

@@ -1785,3 +1785,30 @@ bool8 sub_800B33C(void)
 {
     return gLinkErrorOccurred;
 }
+
+void sub_800B348(void)
+{
+    struct LinkPlayerBlock *block;
+
+    InitLocalLinkPlayer();
+    block = &gLocalLinkPlayerBlock;
+    block->linkPlayer = gLocalLinkPlayer;
+    memcpy(block->magic1, gASCIIGameFreakInc, sizeof(block->magic1) - 1);
+    memcpy(block->magic2, gASCIIGameFreakInc, sizeof(block->magic2) - 1);
+    memcpy(gBlockSendBuffer, block, sizeof(*block));
+}
+
+void sub_800B3A4(u8 who)
+{
+    struct LinkPlayerBlock *block;
+    struct LinkPlayer *player;
+
+    block = (struct LinkPlayerBlock *)gBlockRecvBuffer[who];
+    player = &gLinkPlayers[who];
+    *player = block->linkPlayer;
+    sub_800B524(player);
+    if (strcmp(block->magic1, gASCIIGameFreakInc) != 0 || strcmp(block->magic2, gASCIIGameFreakInc) != 0)
+    {
+        SetMainCallback2(CB2_LinkError);
+    }
+}