diff --git a/build.sh b/build.sh
index 0c633cb..871ae5a 100755
--- a/build.sh
+++ b/build.sh
@@ -7,10 +7,10 @@ clang-format -i nasu.c
 rm ./nasu
 
 # debug(slow)
-# cc -std=c89 -DDEBUG -Wall -Wpedantic -Wshadow -Wextra -Werror=implicit-int -Werror=incompatible-pointer-types -Werror=int-conversion -Wvla -g -Og -fsanitize=address -fsanitize=undefined nasu.c -L/usr/local/lib -lSDL2 -o nasu
+# cc -std=c89 -DDEBUG -Wall -Wno-unknown-pragmas -Wpedantic -Wshadow -Wextra -Werror=implicit-int -Werror=incompatible-pointer-types -Werror=int-conversion -Wvla -g -Og -fsanitize=address -fsanitize=undefined nasu.c -L/usr/local/lib -lSDL2 -o nasu
 
 # build(fast)
-cc nasu.c -std=c89 -Os -DNDEBUG -g0 -s -Wall -L/usr/local/lib -lSDL2 -o nasu
+cc nasu.c -std=c89 -Os -DNDEBUG -g0 -s -Wall -Wno-unknown-pragmas -L/usr/local/lib -lSDL2 -o nasu
 
 # Size
 echo "Size: $(du -sk ./nasu)"
diff --git a/nasu.c b/nasu.c
index 798e061..a542a96 100644
--- a/nasu.c
+++ b/nasu.c
@@ -65,7 +65,7 @@ SDL_Renderer *gRenderer;
 SDL_Texture *gTexture;
 Uint32 *pixels;
 
-/* helpers */
+#pragma mark - HELPERS
 
 int
 clamp(int val, int min, int max)
@@ -101,7 +101,7 @@ screenpos(int pos, int offset)
 	return pos;
 }
 
-/* chr */
+#pragma mark - CHR HANDLERS
 
 int
 rowchr(int x, int y)
@@ -210,7 +210,7 @@ line(int ax, int ay, int bx, int by, int color)
 	}
 }
 
-/* draw */
+#pragma mark - DRAW
 
 void
 clear(Uint32 *dst)
@@ -303,7 +303,7 @@ redraw(Uint32 *dst)
 	SDL_RenderPresent(gRenderer);
 }
 
-/* options */
+#pragma mark - OPTIONS
 
 int
 error(char *msg, const char *err)
@@ -409,6 +409,8 @@ quit(void)
 	exit(0);
 }
 
+#pragma mark - TRIGGERS
+
 void
 domouse(SDL_Event *event)
 {