ws-64:~/m1# diff -u <(hexdump -C 0x39.bit) <(hexdump -C 0x7c-1.bit)
--- /dev/fd/63  2011-08-26 08:06:12.754644504 -0300
+++ /dev/fd/62  2011-08-26 08:06:12.754644504 -0300
@@ -23,7 +23,7 @@
 000001b0  00 a0 cc 26 00 00 00 00  00 00 00 00 0c 44 00 80  |...&.........D..|
 000001c0  00 60 cc 26 00 00 00 00  00 00 00 00 0c 44 00 80  |.`.&.........D..|
 000001d0  00 e0 cc 26 00 00 00 00  00 00 00 00 0c 44 00 80  |...&.........D..|
-000001e0  00 10 cc 26 00 00 00 00  00 00 00 00 0c 44 00 80  |...&.........D..|
+000001e0  00 10 cc 26 00 00 00 00  00 00 00 00 00 40 00 80  |...&.........@..|
 000001f0  00 90 cc 26 00 00 00 00  00 00 00 00 0c 44 00 80  |...&.........D..|
 00000200  00 50 cc 26 00 00 00 00  00 00 00 00 0c 44 00 80  |.P.&.........D..|
 00000210  00 d0 cc 26 00 00 00 00  00 00 00 00 0c 44 00 80  |...&.........D..|
ws-64:~/m1# /home/qi/wernermisc/bitcmp/bitcmp 0x39.bit 0x7c-1.bit 
 2: 2 0