From 5ec0fc9aa0b62ee15bf7fea44371f928ed222371 Mon Sep 17 00:00:00 2001
From: PikalaxALT <pikalaxalt@gmail.com>
Date: Sun, 12 Nov 2017 21:26:11 -0500
Subject: [PATCH] sub_800AB18

---
 asm/link.s | 79 ------------------------------------------------------
 src/link.c | 26 ++++++++++++++++++
 2 files changed, 26 insertions(+), 79 deletions(-)

diff --git a/asm/link.s b/asm/link.s
index 0d97ed0ca0..70fd1fedea 100644
--- a/asm/link.s
+++ b/asm/link.s
@@ -5,85 +5,6 @@
 
 	.text
 
-	thumb_func_start sub_800AAF4
-sub_800AAF4: @ 800AAF4
-	push {r4,r5,lr}
-	ldr r5, =gSavedLinkPlayers
-	movs r4, 0x3
-_0800AAFA:
-	adds r0, r5, 0
-	movs r1, 0
-	movs r2, 0x1C
-	bl CpuSet
-	adds r5, 0x1C
-	subs r4, 0x1
-	cmp r4, 0
-	bge _0800AAFA
-	pop {r4,r5}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end sub_800AAF4
-
-	thumb_func_start sub_800AB18
-sub_800AB18: @ 800AB18
-	push {r4-r7,lr}
-	mov r7, r8
-	push {r7}
-	movs r4, 0
-	ldr r0, =gSavedLinkPlayerCount
-	ldrb r0, [r0]
-	cmp r4, r0
-	bcs _0800AB78
-	ldr r6, =gSavedLinkPlayers
-	ldr r5, =gLinkPlayers
-	movs r0, 0x8
-	adds r0, r6
-	mov r8, r0
-	adds r7, r5, 0
-	adds r7, 0x8
-_0800AB36:
-	lsls r0, r4, 3
-	subs r0, r4
-	lsls r2, r0, 2
-	adds r1, r6, 0x4
-	adds r1, r2, r1
-	adds r0, r5, 0x4
-	adds r0, r2, r0
-	ldr r1, [r1]
-	ldr r0, [r0]
-	cmp r1, r0
-	bne _0800AB5A
-	mov r1, r8
-	adds r0, r2, r1
-	adds r1, r2, r7
-	bl StringCompare
-	cmp r0, 0
-	beq _0800AB6A
-_0800AB5A:
-	ldr r1, =gLinkErrorOccurred
-	movs r0, 0x1
-	strb r0, [r1]
-	bl CloseLink
-	ldr r0, =CB2_LinkError
-	bl SetMainCallback2
-_0800AB6A:
-	adds r0, r4, 0x1
-	lsls r0, 24
-	lsrs r4, r0, 24
-	ldr r0, =gSavedLinkPlayerCount
-	ldrb r0, [r0]
-	cmp r4, r0
-	bcc _0800AB36
-_0800AB78:
-	pop {r3}
-	mov r8, r3
-	pop {r4-r7}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end sub_800AB18
-
 	thumb_func_start sub_800AB98
 sub_800AB98: @ 800AB98
 	ldr r0, =gSavedLinkPlayerCount
diff --git a/src/link.c b/src/link.c
index 1ccfb51586..5ca08dd274 100644
--- a/src/link.c
+++ b/src/link.c
@@ -1331,3 +1331,29 @@ bool8 sub_800AA60(void)
     }
     return FALSE;
 }
+
+void sub_800AAF4(void)
+{
+    int i;
+
+    // Clearly not what was meant to be written, but here it is anyway.
+    for (i = 0; i < 4; i ++)
+    {
+        CpuSet(&gSavedLinkPlayers[i], NULL, sizeof(struct LinkPlayer));
+    }
+}
+
+void sub_800AB18(void)
+{
+    u8 i;
+
+    for (i = 0; i < gSavedLinkPlayerCount; i ++)
+    {
+        if (gSavedLinkPlayers[i].trainerId != gLinkPlayers[i].trainerId || StringCompare(gSavedLinkPlayers[i].name, gLinkPlayers[i].name) != 0)
+        {
+            gLinkErrorOccurred = TRUE;
+            CloseLink();
+            SetMainCallback2(CB2_LinkError);
+        }
+    }
+}