2 files changed, 133 insertions, 0 deletions
diff --git a/src/trainer_tower.c b/src/trainer_tower.c
index 46c112030..5711bff94 100644
--- a/src/trainer_tower.c
+++ b/src/trainer_tower.c
@@ -77,6 +77,7 @@ struct UnkStruct_847A074
 
 EWRAM_DATA struct UnkStruct_203F458 * gUnknown_203F458 = NULL;
 EWRAM_DATA struct UnkStruct_203F45C * gUnknown_203F45C = NULL;
+EWRAM_DATA u8 unused_variable = 0;
 
 void sub_815D96C(void);
 void sub_815DC8C(void);  // setup
diff --git a/src/unk_815EDDC.c b/src/unk_815EDDC.c
new file mode 100644
index 000000000..d5da946fc
--- /dev/null
+++ b/src/unk_815EDDC.c
@@ -0,0 +1,132 @@
+#include "global.h"
+#include "event_data.h"
+#include "load_save.h"
+#include "menu.h"
+#include "quest_log.h"
+#include "script_menu.h"
+#include "string_util.h"
+#include "strings.h"
+#include "text.h"
+#include "text_window.h"
+
+EWRAM_DATA u8 gUnknown_203F464 = 0;
+
+u32 sub_815EE3C(u32 * a0)
+{
+    return *a0 ^ gSaveBlock2Ptr->encryptionKey;
+}
+
+void sub_815EE54(u32 * a0, u32 a1)
+{
+    *a0 = gSaveBlock2Ptr->encryptionKey ^ a1;
+}
+
+void sub_815EE6C(u32 a0)
+{
+    ApplyNewEncryptionKeyToWord(&gSaveBlock2Ptr->berryCrush.berryPowderAmount, a0);
+}
+
+bool8 sub_815EE88(u32 a0)
+{
+    if (sub_815EE3C(&gSaveBlock2Ptr->berryCrush.berryPowderAmount) < a0)
+        return FALSE;
+    else
+        return TRUE;
+}
+
+bool8 sub_815EEB0(void)
+{
+    if (sub_815EE3C(&gSaveBlock2Ptr->berryCrush.berryPowderAmount) < gSpecialVar_0x8004)
+        return FALSE;
+    else
+        return TRUE;
+}
+
+bool8 sub_815EEE0(u32 a0)
+{
+    u32 * ptr = &gSaveBlock2Ptr->berryCrush.berryPowderAmount;
+    u32 amount = sub_815EE3C(ptr) + a0;
+    if (amount > 99999)
+    {
+        sub_815EE54(ptr, 99999);
+        return FALSE;
+    }
+    else
+    {
+        sub_815EE54(ptr, amount);
+        return TRUE;
+    }
+}
+
+bool8 sub_815EF20(u32 a0)
+{
+    u32 * ptr = &gSaveBlock2Ptr->berryCrush.berryPowderAmount;
+    if (!sub_815EE88(a0))
+        return FALSE;
+    else
+    {
+        u32 amount = sub_815EE3C(ptr);
+        sub_815EE54(ptr, amount - a0);
+        return TRUE;
+    }
+}
+
+bool8 sub_815EF5C(void)
+{
+    u32 * ptr = &gSaveBlock2Ptr->berryCrush.berryPowderAmount;
+    if (!sub_815EE88(gSpecialVar_0x8004))
+        return FALSE;
+    else
+    {
+        u32 amount = sub_815EE3C(ptr);
+        sub_815EE54(ptr, amount - gSpecialVar_0x8004);
+        return TRUE;
+    }
+}
+
+u32 sub_815EFA0(void)
+{
+    return sub_815EE3C(&gSaveBlock2Ptr->berryCrush.berryPowderAmount);
+}
+
+void sub_815EFBC(u8 windowId, u32 powder, u8 x, u8 y, u8 speed)
+{
+    ConvertIntToDecimalStringN(gStringVar1, powder, STR_CONV_MODE_RIGHT_ALIGN, 5);
+    AddTextPrinterParameterized(windowId, 0, gStringVar1, x, y, speed, NULL);
+}
+
+void sub_815F014(u8 windowId, u16 baseBlock, u8 palette, u32 powder)
+{
+    SetWindowBorderStyle(windowId, FALSE, baseBlock, palette);
+    AddTextPrinterParameterized(windowId, 0, gUnknown_8416655, 0, 0, -1, NULL);
+    sub_815EFBC(windowId, powder, 39, 12, 0);
+}
+
+void sub_815F070(void)
+{
+    sub_815EFBC(gUnknown_203F464, sub_815EFA0(), 39, 12, 0);
+}
+
+void sub_815F094(void)
+{
+    struct WindowTemplate template;
+    struct WindowTemplate template2;
+
+    if (sub_81119D4(sub_809D6D4) != TRUE)
+    {
+        SetWindowTemplateFields(&template, 0, 1, 1, 8, 3, 15, 32);
+        template2 = template;
+        gUnknown_203F464 = AddWindow(&template2);
+        FillWindowPixelBuffer(gUnknown_203F464, 0);
+        PutWindowTilemap(gUnknown_203F464);
+        sub_814FF2C(gUnknown_203F464, 0x21D, 0xD0);
+        sub_815F014(gUnknown_203F464, 0x21D, 0xD, sub_815EFA0());
+    }
+}
+
+void sub_815F114(void)
+{
+    ClearWindowTilemap(gUnknown_203F464);
+    sub_810F4D8(gUnknown_203F464, 1);
+    RemoveWindow(gUnknown_203F464);
+}