diff --git a/bitblt_table_gen.c b/bitblt_table_gen.c
index 016145b..c279d22 100644
--- a/bitblt_table_gen.c
+++ b/bitblt_table_gen.c
@@ -4,7 +4,7 @@
  *      will be compressed using ITU-T T.6 (G4) fax encoding.
  *
  * bitblt table generator
- * $Id: bitblt_table_gen.c,v 1.1 2003/02/19 02:14:44 eric Exp $
+ * $Id: bitblt_table_gen.c,v 1.2 2003/02/19 02:34:35 eric Exp $
  * Copyright 2001, 2002, 2003 Eric Smith <eric@brouhaha.com>
  *
  * This program is free software; you can redistribute it and/or modify
@@ -26,12 +26,10 @@
 
 #include <stdio.h>
 
-int main (int argc, char *argv[])
+void gen_bit_reverse_table (void)
 {
   int i, j;
 
-  printf ("/* This file is automatically generated; do not edit */\n");
-  printf ("\n");
   printf ("static const uint8_t bit_reverse_byte [0x100] =\n");
   printf ("{\n");
   for (i = 0; i < 0x100; i++)
@@ -55,5 +53,69 @@ int main (int argc, char *argv[])
 	printf (" ");
     }
   printf ("};\n");
+}
+
+
+int count_run (int byte, int start_bit, int desired_val)
+{
+  int count = 0;
+  int i;
+
+  for (i = start_bit; i < 8; i++)
+    {
+      int bit = (byte >> i) & 1;
+      if (bit == desired_val)
+	count++;
+      else
+	break;
+    }
+  return (count);
+}
+
+
+void gen_run_length_table (int val, char *name)
+{
+  int i, j;
+
+  printf ("static const uint8_t %s [8][256] =\n", name);
+  printf ("{\n");
+  for (i = 0; i < 8; i++)
+    {
+      printf ("  {\n");
+      for (j = 0; j < 256; j++)
+	{
+	  if ((j & 15) == 0)
+	    printf ("  ");
+	  printf ("%d", count_run (j, i, val));
+	  if (j != 0xff)
+	    printf (",");
+	  if ((j & 15) == 15)
+	    printf ("\n");
+	  else
+	    printf (" ");
+	}
+      printf ("  }");
+      if (i != 7)
+	printf (",");
+      printf ("\n");
+    }
+  printf ("};\n");
+}
+
+
+int main (int argc, char *argv[])
+{
+  printf ("/* This file is automatically generated; do not edit */\n");
+  printf ("\n");
+
+  gen_bit_reverse_table ();
+  printf ("\n");
+
+  gen_run_length_table (0, "white_rle_tab");
+  printf ("\n");
+  gen_run_length_table (1, "black_rle_tab");
+  printf ("\n");
+
   return (0);
 }
+