From 6c746425ed48ba6d4d6519959b13914192da95b7 Mon Sep 17 00:00:00 2001
From: PikalaxALT <pikalaxalt@gmail.com>
Date: Sat, 4 Nov 2017 11:16:07 -0400
Subject: [PATCH] sub_80E756C

---
 asm/record_mixing.s | 93 ---------------------------------------------
 include/link.h      |  3 ++
 src/record_mixing.c | 46 +++++++++++++++++++++-
 3 files changed, 48 insertions(+), 94 deletions(-)

diff --git a/asm/record_mixing.s b/asm/record_mixing.s
index 634e7fc4f2..77a4d5a514 100644
--- a/asm/record_mixing.s
+++ b/asm/record_mixing.s
@@ -5,99 +5,6 @@
 
 	.text
 
-	thumb_func_start sub_80E756C
-sub_80E756C: @ 80E756C
-	push {r4,r5,lr}
-	lsls r0, 24
-	lsrs r0, 24
-	lsls r1, r0, 2
-	adds r1, r0
-	lsls r1, 3
-	ldr r0, =gTasks
-	adds r5, r1, r0
-	movs r2, 0x8
-	ldrsh r1, [r5, r2]
-	adds r2, r0, 0
-	cmp r1, 0x4
-	bhi _080E7624
-	lsls r0, r1, 2
-	ldr r1, =_080E7598
-	adds r0, r1
-	ldr r0, [r0]
-	mov pc, r0
-	.pool
-	.align 2, 0
-_080E7598:
-	.4byte _080E75AC
-	.4byte _080E75D0
-	.4byte _080E7624
-	.4byte _080E75E2
-	.4byte _080E760E
-_080E75AC:
-	adds r0, r5, 0
-	adds r0, 0xC
-	bl sub_80E77FC
-	adds r1, r0, 0
-	movs r0, 0x10
-	ldrsh r2, [r5, r0]
-	movs r0, 0xC8
-	muls r0, r2
-	adds r1, r0
-	ldr r0, =gUnknown_020228C4
-	movs r2, 0xC8
-	bl memcpy
-	b _080E75FC
-	.pool
-_080E75D0:
-	bl GetMultiplayerId
-	lsls r0, 24
-	cmp r0, 0
-	bne _080E75FC
-	movs r0, 0x1
-	bl sub_800A4D8
-	b _080E75FC
-_080E75E2:
-	ldrh r0, [r5, 0x10]
-	adds r0, 0x1
-	strh r0, [r5, 0x10]
-	movs r1, 0x10
-	ldrsh r4, [r5, r1]
-	ldr r0, =gUnknown_0300115C
-	ldr r0, [r0]
-	movs r1, 0xC8
-	bl __udivsi3
-	adds r0, 0x1
-	cmp r4, r0
-	bne _080E7608
-_080E75FC:
-	ldrh r0, [r5, 0x8]
-	adds r0, 0x1
-	strh r0, [r5, 0x8]
-	b _080E7624
-	.pool
-_080E7608:
-	movs r0, 0
-	strh r0, [r5, 0x8]
-	b _080E7624
-_080E760E:
-	movs r1, 0x1C
-	ldrsh r0, [r5, r1]
-	lsls r1, r0, 2
-	adds r1, r0
-	lsls r1, 3
-	adds r1, r2
-	ldrb r0, [r1, 0x4]
-	cmp r0, 0
-	bne _080E7624
-	ldr r0, =sub_80E77D4
-	str r0, [r5]
-_080E7624:
-	pop {r4,r5}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end sub_80E756C
-
 	thumb_func_start sub_80E7630
 sub_80E7630: @ 80E7630
 	push {r4-r7,lr}
diff --git a/include/link.h b/include/link.h
index 8cd2ee72eb..79ec629610 100644
--- a/include/link.h
+++ b/include/link.h
@@ -6,6 +6,8 @@
 #define QUEUE_CAPACITY 50
 #define BLOCK_BUFFER_SIZE 0x100
 
+#define gBlockSendBuffer gUnknown_020228C4 // FIXME
+
 #define LINK_STAT_LOCAL_ID               0x00000003
 #define LINK_STAT_PLAYER_COUNT           0x0000001C
 #define LINK_STAT_PLAYER_COUNT_SHIFT     2
@@ -197,5 +199,6 @@ bool32 sub_800A03C(void);
 void sub_8009628(u8);
 u8 sub_800AA48(void);
 void sub_8009FAC(void);
+void sub_800A4D8(u8);
 
 #endif // GUARD_LINK_H
diff --git a/src/record_mixing.c b/src/record_mixing.c
index c57dc9daeb..9dd3be0feb 100644
--- a/src/record_mixing.c
+++ b/src/record_mixing.c
@@ -66,8 +66,10 @@ EWRAM_DATA struct PlayerRecords *gUnknown_0203A018 = NULL;
 
 static void sub_80E715C(u8 taskId);
 static void sub_80E7324(u8 taskId);
-void sub_80E756C(u8 taskId);
+static void sub_80E756C(u8 taskId);
 void sub_80E7630(u8 taskId);
+void sub_80E77D4(u8 taskId);
+void *sub_80E77FC(s16 *asShort);
 u8 sub_80E7810(void);
 void sub_80E7808(struct PlayerRecords *records, s16 *a1);
 void sub_80E78C4(OldMan *, size_t, u8);
@@ -401,3 +403,45 @@ static void sub_80E7324(u8 taskId)
             break;
     }
 }
+
+static void sub_80E756C(u8 taskId)
+{
+    struct Task *task;
+    void *dest;
+
+    task = &gTasks[taskId];
+    switch (task->data[0])
+    {
+        case 0:
+            dest = sub_80E77FC(&task->data[2]) + task->data[4] * 200;
+            memcpy(gBlockSendBuffer, dest, 200);
+            task->data[0] ++;
+            break;
+        case 1:
+            if (GetMultiplayerId() == 0)
+            {
+                sub_800A4D8(1);
+            }
+            task->data[0] ++;
+            break;
+        case 2:
+            break;
+        case 3:
+            task->data[4] ++;
+            if (task->data[4] == gUnknown_0300115C / 200 + 1)
+            {
+                task->data[0] ++;
+            }
+            else
+            {
+                task->data[0] = 0;
+            }
+            break;
+        case 4:
+            if (!gTasks[task->data[10]].isActive)
+            {
+                task->func = sub_80E77D4;
+            }
+            break;
+    }
+}