Decompile unk_02033F50 -> communication_error

3 files changed, 166 insertions, 8 deletions

diff --git a/arm9/src/communication_error.c b/arm9/src/communication_error.c
new file mode 100644
index 00000000..0ea26458
--- /dev/null
+++ b/arm9/src/communication_error.c
@@ -0,0 +1,159 @@
+#include "global.h"
+#include "bg_window.h"
+#include "communication_error.h"
+#include "game_init.h"
+#include "MI_dma.h"
+#include "msgdata.h"
+#include "msgdata/msg.naix"
+#include "text.h"
+
+extern void FUN_02002ED0(enum GFBgLayer layer, u32 base_addr, u32 heap_id);
+extern void FUN_0200A274(fx32 brightness, fx32, u32);
+extern void FUN_0200CB00(struct BgConfig* bg_config, enum GFBgLayer layer, u32 num_tiles, u32, u8, u32 heap_id);
+extern void FUN_0200CCA4(struct Window* window, BOOL copy_to_vram, u16 fill_value, u32 palette_num);
+extern void FUN_0200E394(BOOL set_brightness_on_bottom_screen);
+extern void FUN_0200E3A0(BOOL set_brightness_on_bottom_screen, s32);
+
+static const struct WindowTemplate sCommunicationErrorWindowTemplate = {
+    .bgId = GF_BG_LYR_MAIN_0,
+    .tilemapLeft = 3,
+    .tilemapTop = 3,
+    .width = 26,
+    .height = 18,
+    .paletteNum = 0x01,
+    .baseTile = 0x23,
+};
+
+static const struct GraphicsModes sCommunicationErrorGraphicsModes = {
+    .dispMode = GX_DISPMODE_GRAPHICS,
+    .bgMode = GX_BGMODE_0,
+    .subMode = GX_BGMODE_0,
+    ._2d3dMode = GX_BG0_AS_2D,
+};
+
+static const struct BgTemplate sCommunicationErrorBgTemplate = {
+    .x = 0,
+    .y = 0,
+    .bufferSize = 0x800,
+    .baseTile = 0,
+    .size = GF_BG_SCR_SIZE_256x256,
+    .colorMode = GX_BG_COLORMODE_16,
+    .screenBase = GX_BG_SCRBASE_0x0000,
+    .charBase = GX_BG_CHARBASE_0x18000,
+    .bgExtPltt = GX_BG_EXTPLTT_01,
+    .priority = 1,
+    .areaOver = GX_BG_AREAOVER_XLU,
+    .unk17 = 0,
+    .mosaic = FALSE,
+};
+
+static const struct GraphicsBanks sCommunicationErrorGraphicsBanks = {
+    .bg = 3,
+    .bgextpltt = 0,
+    .subbg = 0,
+    .subbgextpltt = 0,
+    .obj = 0,
+    .objextpltt = 0,
+    .subobj = 0,
+    .subobjextpltt = 0,
+    .tex = 0,
+    .texpltt = 0,
+};
+
+THUMB_FUNC void FUN_02033F50(void)
+{
+    DTCM.intr_check |= 1;
+    MI_WaitDma(3);
+}
+
+THUMB_FUNC void ShowCommunicationError(u32 heap_id, u32 error, u32 error_code)
+{
+    struct Window window;
+    
+    u32 error_message_no;
+    switch (error)
+    {
+        default:
+        case 0:
+            error_message_no = 1;
+            break;
+        case 1:
+            error_message_no = 2;
+            break;
+        case 2:
+            error_message_no = 3;
+            break;
+        case 3:
+            error_message_no = 4;
+            break;
+        case 4:
+            error_message_no = 5;
+            break;
+    }
+
+    FUN_0200E3A0(PM_LCD_TOP, 0);
+    FUN_0200E3A0(PM_LCD_BOTTOM, 0);
+
+    OS_DisableIrqMask(OS_IE_V_BLANK);
+    OS_SetIrqFunction(OS_IE_V_BLANK, FUN_02033F50);
+    OS_EnableIrqMask(OS_IE_V_BLANK);
+
+    Main_SetVBlankIntrCB(NULL, NULL);
+    FUN_02015F34(NULL, NULL);
+
+    GX_DisableEngineALayers();
+    GX_DisableEngineBLayers();
+    reg_GX_DISPCNT &= ~REG_GX_DISPCNT_DISPLAY_MASK;
+    reg_GXS_DB_DISPCNT &= ~REG_GX_DISPCNT_DISPLAY_MASK;
+
+    SetKeyRepeatTimers(4, 8);
+
+    gMain.unk65 = 0;
+
+    GX_SwapDisplay();
+    reg_G2_BLDCNT = 0;
+    reg_G2S_DB_BLDCNT = 0;
+    reg_GX_DISPCNT &= ~(REG_GX_DISPCNT_OW_MASK | REG_GX_DISPCNT_W1_MASK | REG_GX_DISPCNT_W0_MASK);
+    reg_GXS_DB_DISPCNT &= ~(REG_GXS_DB_DISPCNT_OW_MASK | REG_GXS_DB_DISPCNT_W1_MASK | REG_GXS_DB_DISPCNT_W0_MASK);
+    GX_SetBanks(&sCommunicationErrorGraphicsBanks);
+
+    struct BgConfig* bg_config = BgConfig_Alloc(heap_id);
+
+    SetBothScreensModesAndDisable(&sCommunicationErrorGraphicsModes);
+
+    InitBgFromTemplate(bg_config, 0, &sCommunicationErrorBgTemplate, 0);
+    BgClearTilemapBufferAndCommit(bg_config, 0);
+    FUN_0200CB00(bg_config, GF_BG_LYR_MAIN_0, 0x01F7, 2, 0, heap_id);
+    FUN_02002ED0(GF_BG_LYR_MAIN_0, 0x20, heap_id);
+    BG_ClearCharDataRange(GF_BG_LYR_MAIN_0, 0x20, 0, heap_id);
+    BG_SetMaskColor(GF_BG_LYR_MAIN_0, 0x6C21);
+    BG_SetMaskColor(GF_BG_LYR_SUB_0, 0x6C21);
+
+    struct MsgData* error_message_data = NewMsgDataFromNarc(1, NARC_MSGDATA_MSG, NARC_msg_narc_0200_bin, heap_id);
+    struct String* error_message_str = String_ctor(384, heap_id);
+    struct String* tmp_str = String_ctor(384, heap_id);
+    FUN_0201BD5C();
+    struct ScrStrBufs* mgr = ScrStrBufs_new(heap_id);
+
+    AddWindow(bg_config, &window, &sCommunicationErrorWindowTemplate);
+    FillWindowPixelRect(&window, 0xF, 0, 0, 208, 144);
+    FUN_0200CCA4(&window, FALSE, 0x01F7, 2);
+
+    BufferIntegerAsString(mgr, 0, (s32)error_code, 5, 2, 1);
+    ReadMsgDataIntoString(error_message_data, error_message_no, tmp_str);
+    StringExpandPlaceholders(mgr, error_message_str, tmp_str);
+
+    AddTextPrinterParameterized(&window, 0, error_message_str, 0, 0, 0, NULL);
+    String_dtor(error_message_str);
+    // BUG: tmp_str is never destroyed.
+
+    GX_BothDispOn();
+    FUN_0200E394(PM_LCD_TOP);
+    FUN_0200E394(PM_LCD_BOTTOM);
+    FUN_0200A274(0, 0x3F, 3);
+
+    RemoveWindow(&window);
+    DestroyMsgData(error_message_data);
+    ScrStrBufs_delete(mgr);
+    FreeToHeap(bg_config);
+}
diff --git a/arm9/src/main.c b/arm9/src/main.c
index d1a60190..fb4f8707 100644
--- a/arm9/src/main.c
+++ b/arm9/src/main.c
@@ -5,6 +5,7 @@
 #include "CARD_backup.h"
 #include "CARD_pullOut.h"
 #include "CTRDG_common.h"
+#include "communication_error.h"
 #include "PAD_pad.h"
 #include "main.h"
 #include "game_init.h"
@@ -226,21 +227,19 @@ THUMB_FUNC void DoSoftReset(u32 parameter)
     } while (1);
 }
 
-extern void FUN_02033F70(int, int, int);
-
 THUMB_FUNC void FUN_02000F4C(u32 arg0, u32 arg1)
 {
     if (arg1 == 3)
     {
-        FUN_02033F70(0, 3, 0);
+        ShowCommunicationError(0, 3, 0);
     }
     else if (arg0 == 0)
     {
-        FUN_02033F70(0, 2, 0);
+        ShowCommunicationError(0, 2, 0);
     }
     else
     {
-        FUN_02033F70(0, 0, 0);
+        ShowCommunicationError(0, 0, 0);
     }
     FUN_02032DAC();
     while (1)
diff --git a/arm9/src/unk_02031734.c b/arm9/src/unk_02031734.c
index 7d3b4c03..e6a1514b 100644
--- a/arm9/src/unk_02031734.c
+++ b/arm9/src/unk_02031734.c
@@ -1,6 +1,7 @@
 #include "global.h"
 #include "unk_02031734.h"
 #include "MI_memory.h"
+#include "communication_error.h"
 #include "game_init.h"
 #include "heap.h"
 #include "player_data.h"
@@ -52,7 +53,6 @@ extern void MOD04_021DD6F0();
 extern s32 MOD04_021D76AC();
 extern MOD05_021D74E0(struct SaveBlock2 *sav2, u32 param1);
 extern void MOD04_021D83A8(void (*param0)(s32));
-extern void FUN_02033F70(int, int, int);
 extern void FUN_0200541C();
 
 THUMB_FUNC void FUN_02031734(struct SaveBlock2 *sav2, u8 param1)
@@ -2090,7 +2090,7 @@ THUMB_FUNC u8 FUN_020335B8()
 
 THUMB_FUNC void FUN_020335D0(s32 param0)
 {
-    FUN_02033F70(0, 1, param0);
+    ShowCommunicationError(0, 1, param0);
     while (TRUE)
     {
     }
@@ -2098,7 +2098,7 @@ THUMB_FUNC void FUN_020335D0(s32 param0)
 
 THUMB_FUNC void FUN_020335E0()
 {
-    FUN_02033F70(0, 4, 0);
+    ShowCommunicationError(0, 4, 0);
     while (TRUE)
     {
     }