1 files changed, 85 insertions, 0 deletions
diff --git a/src/battle_tower.c b/src/battle_tower.c
new file mode 100644
index 000000000..e70d4af91
--- /dev/null
+++ b/src/battle_tower.c
@@ -0,0 +1,85 @@
+#include "global.h"
+#include "event_data.h"
+#include "battle_setup.h"
+#include "overworld.h"
+#include "random.h"
+#include "battle_tower.h"
+
+extern void sub_81A3ACC(void);
+
+extern const u32 gUnknown_085DF9AC[][2];
+extern const u32 gUnknown_085DF9CC[][2];
+extern void (* const gUnknown_085DF96C[])(void);
+
+// This file's functions.
+void sub_8164ED8(void);
+u16 sub_8164FCC(u8, u8);
+
+// code
+void sub_8161F74(void)
+{
+    gUnknown_085DF96C[gSpecialVar_0x8004]();
+}
+
+void sub_8161F94(void)
+{
+    u32 lvlMode = gSaveBlock2Ptr->frontier.lvlMode;
+    u32 battleMode = VarGet(VAR_FRONTIER_BATTLE_MODE);
+
+    gSaveBlock2Ptr->frontier.field_CA8 = 1;
+    gSaveBlock2Ptr->frontier.field_CB2 = 0;
+    gSaveBlock2Ptr->frontier.field_CA9_a = 0;
+    gSaveBlock2Ptr->frontier.field_CA9_b = 0;
+    sub_81A3ACC();
+    if (!(gSaveBlock2Ptr->frontier.field_CDC & gUnknown_085DF9AC[battleMode][lvlMode]))
+        gSaveBlock2Ptr->frontier.field_CE0[battleMode][lvlMode] = 0;
+
+    sub_8164ED8();
+    saved_warp2_set(0, gSaveBlock1Ptr->location.mapGroup, gSaveBlock1Ptr->location.mapNum, -1);
+    gTrainerBattleOpponent_A = 0;
+}
+
+void sub_8162054(void)
+{
+    u32 lvlMode = gSaveBlock2Ptr->frontier.lvlMode;
+    u32 battleMode = VarGet(VAR_FRONTIER_BATTLE_MODE);
+
+    switch (gSpecialVar_0x8005)
+    {
+    case 0:
+        break;
+    case 1:
+        gSpecialVar_Result = sub_8164FCC(lvlMode, battleMode);
+        break;
+    case 2:
+        gSpecialVar_Result = ((gSaveBlock2Ptr->frontier.field_CDC & gUnknown_085DF9AC[battleMode][lvlMode]) != 0);
+        break;
+    case 3:
+        gSaveBlock2Ptr->frontier.field_D07 = gSaveBlock2Ptr->frontier.lvlMode;
+        break;
+    }
+}
+
+void sub_81620F4(void)
+{
+    u32 lvlMode = gSaveBlock2Ptr->frontier.lvlMode;
+    u32 battleMode = VarGet(VAR_FRONTIER_BATTLE_MODE);
+
+    switch (gSpecialVar_0x8005)
+    {
+    case 0:
+        break;
+    case 1:
+        gSaveBlock2Ptr->frontier.field_CE0[battleMode][lvlMode] = gSpecialVar_0x8006;
+        break;
+    case 2:
+        if (gSpecialVar_0x8006)
+            gSaveBlock2Ptr->frontier.field_CDC |= gUnknown_085DF9AC[battleMode][lvlMode];
+        else
+            gSaveBlock2Ptr->frontier.field_CDC &= gUnknown_085DF9CC[battleMode][lvlMode];
+        break;
+    case 3:
+        gSaveBlock2Ptr->frontier.field_D07 = gSaveBlock2Ptr->frontier.lvlMode;
+        break;
+    }
+}