diff --git a/img2array.py b/img2array.py
index 738aa98..c120e7b 100644
--- a/img2array.py
+++ b/img2array.py
@@ -9,12 +9,20 @@ from PIL import Image
 def printHelp():
   print("Convert image to C array for small3dlib.")
   print("usage:\n")
-  print("  python img2array.py [TODO] file\n")
-  print("  TODO\n")
+  print("  python img2array.py [-xW -yH -h -nS -pT -5] file\n")
+  print("  -xW     set width of the output to W pixels")
+  print("  -yH     set height of the output to H pixels")
+  print("  -h      include header guards (for texture per file)")
+  print("  -nS     use the name S for the texture (defaut: \"texture\")")
+  print("  -pT     use palette from file T and indexed colors (otherwise direct colors)")
+  print("  -5      use 565 format instead of RGB8")
   print("");
   print("by Miloslav \"drummyfish\" Ciz")
   print("released under CC0 1.0")
 
+def rgbTo565(rgb):
+  return ((rgb[0] >> 3) << 11) | ((rgb[1] >> 2) << 5) | ((rgb[2] >> 3))
+
 if len(sys.argv) < 2:
   printHelp()
   quit()
@@ -26,6 +34,7 @@ NAME = "texture"
 GUARDS = False
 OUT_WIDTH = 64
 OUT_HEIGHT = 64
+USE_565 = False
 
 for s in sys.argv:
   if s [:2] == "-x":
@@ -36,6 +45,8 @@ for s in sys.argv:
     GUARDS = True
   elif s[:2] == "-n":
     NAME = s[2:]
+  elif s[:2] == "-5":
+    USE_565 = True
   elif s[:2] == "-p":
     PALETTE = s[2:]
     USE_PALETTE = True
@@ -49,7 +60,7 @@ paletteArray = []
 image = Image.open(FILENAME).convert("RGB")
 pixels = image.load()
 
-if len(PALETTE) > 0:
+if USE_PALETTE > 0:
   palette = Image.open(PALETTE).convert("RGB")
   pixelsPal = palette.load()
 
@@ -57,9 +68,13 @@ if len(PALETTE) > 0:
     for x in range(palette.size[0]):
       c = pixelsPal[x,y]
       paletteColors.append(c)
-      paletteArray.append(c[0])
-      paletteArray.append(c[1])
-      paletteArray.append(c[2])
+
+      if USE_565:
+        paletteArray.append(rgbTo565(c))
+      else:
+        paletteArray.append(c[0])
+        paletteArray.append(c[1])
+        paletteArray.append(c[2])
 
 image2 = Image.new("RGB",(OUT_WIDTH,OUT_HEIGHT),color="white")
 pixels2 = image2.load()
@@ -89,9 +104,13 @@ for y in range(OUT_HEIGHT):
       imageArray.append(closestIndex)
       pixels2[x,y] = paletteColors[closestIndex]
     else:
-      imageArray.append(pixel[0])
-      imageArray.append(pixel[1])
-      imageArray.append(pixel[2])
+      if USE_565:
+        imageArray.append(rgbTo565(pixel))
+      else:
+        imageArray.append(pixel[0])
+        imageArray.append(pixel[1])
+        imageArray.append(pixel[2])
+
       pixels2[x,y] = pixel
 
 #-----------------------
@@ -109,12 +128,12 @@ def printArray(array, name, sizeString):
 
     if lineLen > 80:
       arrayString += "\n"
-      lineLen -= 80
+      lineLen = 0
 
     arrayString += item
 
   print(arrayString[:-1])
-  print("}; // " + name + "\n")
+  print("}; // " + name)
 
 if GUARDS:
   print("#ifndef " + NAME.upper() + "_TEXTURE_H")
@@ -122,12 +141,13 @@ if GUARDS:
 
 if USE_PALETTE:
   printArray(paletteArray,NAME + "Palette",str(len(paletteArray)))
+  print("")
 
 print("#define " + NAME.upper() + "_TEXTURE_WIDTH " + str(OUT_WIDTH))
 print("#define " + NAME.upper() + "_TEXTURE_HEIGHT " + str(OUT_HEIGHT))
 print("")
 
-printArray(imageArray,NAME + "Texture",NAME.upper() + "_TEXTURE_WIDTH * " + NAME.upper() + "_TEXTURE_HEIGHT * 3")
+printArray(imageArray,NAME + "Texture",str(len(imageArray)))
 
 if GUARDS:
   print("\n#endif // guard")