1 files changed, 31 insertions, 0 deletions
diff --git a/src/frontier_pass.c b/src/frontier_pass.c
new file mode 100644
index 000000000..4473dfae0
--- /dev/null
+++ b/src/frontier_pass.c
@@ -0,0 +1,31 @@
+#include "global.h"
+#include "gpu_regs.h"
+#include "bg.h"
+
+void sub_80C50D0(void)
+{
+    SetGpuReg(REG_OFFSET_DISPCNT, 0);
+    SetGpuReg(REG_OFFSET_BG3CNT, 0);
+    SetGpuReg(REG_OFFSET_BG2CNT, 0);
+    SetGpuReg(REG_OFFSET_BG1CNT, 0);
+    SetGpuReg(REG_OFFSET_BG0CNT, 0);
+    ChangeBgX(0, 0, 0);
+    ChangeBgY(0, 0, 0);
+    ChangeBgX(1, 0, 0);
+    ChangeBgY(1, 0, 0);
+    ChangeBgX(2, 0, 0);
+    ChangeBgY(2, 0, 0);
+    ChangeBgX(3, 0, 0);
+    ChangeBgY(3, 0, 0);
+    SetGpuReg(REG_OFFSET_BLDCNT, 0);
+    SetGpuReg(REG_OFFSET_BLDY, 0);
+    SetGpuReg(REG_OFFSET_BLDALPHA, 0);
+    SetGpuReg(REG_OFFSET_WIN0H, 0);
+    SetGpuReg(REG_OFFSET_WIN0V, 0);
+    SetGpuReg(REG_OFFSET_WIN1H, 0);
+    SetGpuReg(REG_OFFSET_WIN1V, 0);
+    SetGpuReg(REG_OFFSET_WININ, 0);
+    SetGpuReg(REG_OFFSET_WINOUT, 0);
+    CpuFill16(0, (void *)VRAM, VRAM_SIZE);
+    CpuFill32(0, (void *)OAM, OAM_SIZE);
+}