better alignments

scripts/dec.py

@@ -32,7 +32,7 @@ def dec(d):
     return ret
 
 def hexdump(dump):
-    print(" " * 9, end="")
+    print(" " * 10, end="")
     for i in range(0, 0xF+1):
         print(f"{i:2X}", end=" ")
 
@@ -47,6 +47,8 @@ def hexdump(dump):
         for b in line:
             print(f"{b:02x}", end=" ")
 
+        if len(line) < 16:
+            print("   " * (16 - len(line)), end="")
         print("  ", end="")
         for b in line:
             rep = "."