More link stuff, stumped on sub_807A728

asm/trade.s

@@ -6,81 +6,6 @@
 
 	.text
 
-	thumb_func_start sub_807A728
-sub_807A728: @ 807A728
-	push {r4-r7,lr}
-	ldr r0, =gReceivedRemoteLinkPlayers
-	ldrb r0, [r0]
-	cmp r0, 0
-	beq _0807A7B4
-	movs r4, 0
-	bl GetMultiplayerId
-	ldr r5, =gLinkPlayers
-	movs r7, 0x1
-	eors r0, r7
-	lsls r0, 24
-	lsrs r0, 24
-	lsls r1, r0, 3
-	subs r1, r0
-	lsls r1, 2
-	adds r1, r5
-	ldrb r1, [r1]
-	subs r0, r1, 0x1
-	lsls r0, 16
-	lsrs r0, 16
-	cmp r0, 0x2
-	bls _0807A7B4
-	subs r0, r1, 0x4
-	lsls r0, 16
-	lsrs r0, 16
-	cmp r0, 0x1
-	bhi _0807A762
-	movs r4, 0x2
-_0807A762:
-	cmp r4, 0
-	ble _0807A7B4
-	bl GetMultiplayerId
-	lsls r0, 24
-	lsrs r0, 24
-	lsls r1, r0, 3
-	subs r1, r0
-	lsls r1, 2
-	adds r1, r5
-	ldrb r1, [r1, 0x12]
-	movs r6, 0xF0
-	adds r0, r6, 0
-	ands r0, r1
-	cmp r0, 0
-	beq _0807A7B0
-	cmp r4, 0x2
-	bne _0807A7B4
-	bl GetMultiplayerId
-	eors r0, r7
-	lsls r0, 24
-	lsrs r0, 24
-	lsls r1, r0, 3
-	subs r1, r0
-	lsls r1, 2
-	adds r1, r5
-	ldrb r1, [r1, 0x12]
-	adds r0, r6, 0
-	ands r0, r1
-	cmp r0, 0
-	bne _0807A7B4
-	movs r0, 0x2
-	b _0807A7B6
-	.pool
-_0807A7B0:
-	movs r0, 0x1
-	b _0807A7B6
-_0807A7B4:
-	movs r0, 0
-_0807A7B6:
-	pop {r4-r7}
-	pop {r1}
-	bx r1
-	thumb_func_end sub_807A728
-
 	thumb_func_start sub_807A7BC
 sub_807A7BC: @ 807A7BC
 	push {lr}