through sub_8009414

1 files changed, 64 insertions, 5 deletions

diff --git a/src/link.c b/src/link.c
index ae2cd1992..0b7002124 100644
--- a/src/link.c
+++ b/src/link.c
@@ -1,6 +1,11 @@
 
 // Includes
 #include "global.h"
+#include "librfu.h"
+#include "gpu_regs.h"
+#include "palette.h"
+#include "task.h"
+#include "link.h"
 
 // Static type declarations
 
@@ -31,17 +36,17 @@ IWRAM_DATA u32 gUnknown_03000D54;
 IWRAM_DATA u8 gUnknown_03000D58;
 IWRAM_DATA u32 gUnknown_03000D5C;
 IWRAM_DATA u32 gUnknown_03000D60;
-IWRAM_DATA u8 gUnknown_03000D64[4]; // not really, but won't match otherwise
-IWRAM_DATA u8 gUnknown_03000D68[4];
+IWRAM_DATA u8 gUnknown_03000D64;
+ALIGNED() IWRAM_DATA u8 gUnknown_03000D68[4];
 IWRAM_DATA u8 gUnknown_03000D6C;
 IWRAM_DATA bool8 gUnknown_03000D6D;
 IWRAM_DATA u16 gUnknown_03000D6E;
 IWRAM_DATA u16 gUnknown_03000D70;
 IWRAM_DATA u8 gUnknown_03000D72;
 IWRAM_DATA u8 gUnknown_03000D73;
-IWRAM_DATA u8 gUnknown_03000D74[4]; // not really, but won't match otherwise
-IWRAM_DATA u8 gUnknown_03000D78[8]; // not really, but won't match otherwise
-IWRAM_DATA u8 gUnknown_03000D80[16];
+IWRAM_DATA u8 gUnknown_03000D74;
+ALIGNED() IWRAM_DATA u8 gUnknown_03000D78;
+ALIGNED(8) IWRAM_DATA u8 gUnknown_03000D80[16];
 IWRAM_DATA u16 gUnknown_03000D90[8];
 IWRAM_DATA u32 gUnknown_03000DA0;
 IWRAM_DATA u32 gUnknown_03000DA4;
@@ -51,6 +56,60 @@ IWRAM_DATA bool32 gUnknown_03000DB0;
 
 // Static ROM declarations
 
+void sub_800E700(void);
+u32 sub_800BEC0(void);
+void sub_800B4A4(void);
+
 // .rodata
 
+ALIGNED(4) const u16 gWirelessLinkDisplayPal[] = INCBIN_U16("graphics/interface/wireless_link_display.gbapal");
+const u8 gWirelessLinkDisplayGfx[] = INCBIN_U8("graphics/interface/wireless_link_display.4bpp.lz");
+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");
+
 // .text
+
+bool8 sub_80093CC(void)
+{
+    sub_800B488();
+    sub_800E700();
+    if (sub_800BEC0() == 0x8001)
+    {
+        rfu_REQ_stopMode();
+        rfu_waitREQComplete();
+        return TRUE;
+    }
+    sub_800B4A4();
+    sub_80097E8();
+    RestoreSerialTimer3IntrHandlers();
+    return FALSE;
+}
+
+void sub_8009404(u8 taskId)
+{
+    DestroyTask(taskId);
+}
+
+void sub_8009414(u8 a0, u8 a1, u8 a2, u8 a3, u16 a4)
+{
+    LoadPalette(gLinkTestDigitsPal, a0 * 16, 0x20);
+    DmaCopy16(3, gLinkTestDigitsGfx, (u16 *)BG_CHAR_ADDR(a3) + (16 * a4), sizeof gLinkTestDigitsGfx);
+    gUnknown_03003130[0] = a2;
+    gUnknown_03003130[1] = a0;
+    gUnknown_03003130[2] = a4;
+    switch (a1)
+    {
+        case 1:
+            SetGpuReg(REG_OFFSET_BG1CNT, BGCNT_SCREENBASE(a2) | BGCNT_PRIORITY(1) | BGCNT_CHARBASE(a3));
+            break;
+        case 2:
+            SetGpuReg(REG_OFFSET_BG2CNT, BGCNT_SCREENBASE(a2) | BGCNT_PRIORITY(1) | BGCNT_CHARBASE(a3));
+            break;
+        case 3:
+            SetGpuReg(REG_OFFSET_BG3CNT, BGCNT_SCREENBASE(a2) | BGCNT_PRIORITY(1) | BGCNT_CHARBASE(a3));
+            break;
+    }
+    SetGpuReg(REG_OFFSET_BG0HOFS + a1 * 4, 0);
+    SetGpuReg(REG_OFFSET_BG0VOFS + a1 * 4, 0);
+}