diff --git a/src/main.c b/src/main.c
index 7321d75..ecf7909 100644
--- a/src/main.c
+++ b/src/main.c
@@ -206,14 +206,13 @@ void drawMap() {
 
 void render() {
     clearScreenWithTile(TILE_EMPTY);
-    initTileBuffer(12); // map color
-    uploadTileDataToVRAM(TILE_FILLED);
-    initTileBuffer(0); // background color
-    uploadTileDataToVRAM(TILE_EMPTY);
     drawMap();
     VDP_setTextPlane(BG_B);
     VDP_setTextPalette(2);
-    VDP_showFPS(0);
+    VDP_showFPS(1);
+    for(int i = 0; i < 50; i++){
+      castRay(10);
+    }
     SYS_doVBlankProcess();
 }