From 59eb766f47ca0f144447b13aabf7c4b9135fc0f3 Mon Sep 17 00:00:00 2001
From: PikalaxALT <pikalaxalt@gmail.com>
Date: Tue, 7 Nov 2017 21:45:44 -0500
Subject: [PATCH] sub_80094EC

---
 asm/link.s     | 56 --------------------------------------------------
 data/link.s    | 19 -----------------
 include/link.h |  1 +
 src/link.c     | 28 +++++++++++++++++++++++++
 4 files changed, 29 insertions(+), 75 deletions(-)

diff --git a/asm/link.s b/asm/link.s
index d4b76a96e5..6926c065c4 100644
--- a/asm/link.s
+++ b/asm/link.s
@@ -5,62 +5,6 @@
 
 	.text
 
-	thumb_func_start sub_80094EC
-sub_80094EC: @ 80094EC
-	push {r4-r6,lr}
-	mov r6, r8
-	push {r6}
-	mov r8, r0
-	adds r6, r1, 0
-	adds r4, r2, 0
-	adds r5, r3, 0
-	lsls r0, 24
-	lsrs r0, 24
-	mov r8, r0
-	lsls r6, 24
-	lsrs r6, 24
-	lsls r4, 24
-	lsrs r4, 24
-	lsls r5, 24
-	lsrs r5, 24
-	ldr r0, =gLinkTestDigitsPal
-	mov r2, r8
-	lsls r1, r2, 4
-	movs r2, 0x20
-	bl LoadPalette
-	ldr r2, =0x040000d4
-	ldr r0, =gLinkTestDigitsGfx
-	str r0, [r2]
-	lsls r0, r5, 14
-	movs r1, 0xC0
-	lsls r1, 19
-	adds r0, r1
-	str r0, [r2, 0x4]
-	ldr r0, =0x80000110
-	str r0, [r2, 0x8]
-	ldr r0, [r2, 0x8]
-	ldr r0, =gUnknown_03003130
-	str r4, [r0]
-	mov r1, r8
-	str r1, [r0, 0x4]
-	movs r1, 0
-	str r1, [r0, 0x8]
-	ldr r0, =gUnknown_082ED1D0
-	adds r6, r0
-	ldrb r0, [r6]
-	lsls r4, 8
-	lsls r5, 2
-	orrs r4, r5
-	adds r1, r4, 0
-	bl SetGpuReg
-	pop {r3}
-	mov r8, r3
-	pop {r4-r6}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end sub_80094EC
-
 	thumb_func_start sub_8009570
 sub_8009570: @ 8009570
 	push {r4,lr}
diff --git a/data/link.s b/data/link.s
index 578ae0256e..51e9d0c70b 100644
--- a/data/link.s
+++ b/data/link.s
@@ -5,26 +5,7 @@
 
 	.section .rodata
 
-	.string "{HIGHLIGHT TRANSPARENT}{COLOR WHITE}$"
-
 	.align 2
-g2BlankTilesGfx:: @ 82ED168
-	.incbin "graphics/interface/blank_1x2.4bpp"
-
-gUnknown_082ED1A8:: @ 82ED1A8
-	.4byte gUnknown_020228C4
-	.4byte 0x000000C8
-	.4byte gUnknown_020228C4
-	.4byte 0x000000C8
-	.4byte gUnknown_020228C4
-	.4byte 0x00000064
-	.4byte gUnknown_020228C4
-	.4byte 0x000000DC
-	.4byte gUnknown_020228C4
-	.4byte 0x00000028
-
-gUnknown_082ED1D0:: @ 82ED1D0
-	.byte 0x8, 0xA, 0xC, 0xE
 
 gASCIIGameFreakInc:: @ 82ED1D4
 	.ascii "GameFreak inc."
diff --git a/include/link.h b/include/link.h
index 64bb8ff47a..c8eece572e 100644
--- a/include/link.h
+++ b/include/link.h
@@ -132,6 +132,7 @@ extern const struct BlockRequest sBlockRequestLookupTable[5];
 
 extern struct Link gLink;
 extern u16 gRecvCmds[CMD_LENGTH][MAX_LINK_PLAYERS];
+extern u8 gUnknown_020228C4[BLOCK_BUFFER_SIZE]; // gBlockSendBuffer
 extern u8 gBlockSendBuffer[BLOCK_BUFFER_SIZE];
 extern u16 gLinkType;
 extern u32 gLinkStatus;
diff --git a/src/link.c b/src/link.c
index 0b70021249..7955f4427d 100644
--- a/src/link.c
+++ b/src/link.c
@@ -67,6 +67,24 @@ const u8 gWirelessLinkDisplayGfx[] = INCBIN_U8("graphics/interface/wireless_link
 const u8 gWirelessLinkDisplayTilemap[] = INCBIN_U8("graphics/interface/wireless_link_display.bin.lz");
 const u16 gLinkTestDigitsPal[] = INCBIN_U16("graphics/interface/link_test_digits.gbapal");
 const u16 gLinkTestDigitsGfx[] = INCBIN_U16("graphics/interface/link_test_digits.4bpp");
+const u8 unkstring_82ed160[] = _("{HIGHLIGHT TRANSPARENT}{COLOR WHITE}");
+const u16 g2BlankTilesGfx[] = INCBIN_U16("graphics/interface/blank_1x2.4bpp");
+const struct {
+    void *data;
+    u16 size;
+} gUnknown_082ED1A8[] = {
+    {gUnknown_020228C4, 200},
+    {gUnknown_020228C4, 200},
+    {gUnknown_020228C4, 100},
+    {gUnknown_020228C4, 220},
+    {gUnknown_020228C4,  40}
+};
+const u8 gUnknown_082ED1D0[] = {
+    REG_OFFSET_BG0CNT,
+    REG_OFFSET_BG1CNT,
+    REG_OFFSET_BG2CNT,
+    REG_OFFSET_BG3CNT
+};
 
 // .text
 
@@ -113,3 +131,13 @@ void sub_8009414(u8 a0, u8 a1, u8 a2, u8 a3, u16 a4)
     SetGpuReg(REG_OFFSET_BG0HOFS + a1 * 4, 0);
     SetGpuReg(REG_OFFSET_BG0VOFS + a1 * 4, 0);
 }
+
+void sub_80094EC(u8 a0, u8 a1, u8 a2, u8 a3)
+{
+    LoadPalette(gLinkTestDigitsPal, a0 * 16, 0x20);
+    DmaCopy16(3, gLinkTestDigitsGfx, (u16 *)BG_CHAR_ADDR(a3), sizeof gLinkTestDigitsGfx);
+    gUnknown_03003130[0] = a2;
+    gUnknown_03003130[1] = a0;
+    gUnknown_03003130[2] = 0;
+    SetGpuReg(gUnknown_082ED1D0[a1], BGCNT_SCREENBASE(a2) | BGCNT_CHARBASE(a3));
+}