diff --git a/mode/hex.py b/mode/hex.py
index 58f1b79..db8d58a 100644
--- a/mode/hex.py
+++ b/mode/hex.py
@@ -31,6 +31,20 @@ class Hex(mode.Fundamental):
             else:
                 self.del_binding(c)
 
+    def enable_line_numbers(self):
+        self.show_line_numbers = True
+        self.lmargin = 12
+    def disable_line_numbers(self):
+        self.show_line_numbers = False
+        self.lmargin = 0
+    def get_lmargin(self, y, x=0, ended=False, cont=False):
+        lm = self.lmargin
+        if ended:
+            s = '  --------  '
+        elif x == 0:
+            s = '0x%08x  ' % y
+        return (s, color.build('default', 'default', 'bold'))
+
 class GotoWord(Method):
     '''Jump to the specified line number'''
     args = [Argument("wordno", type=type(0), prompt="Goto word: ")]