diff --git a/extras/unused/appnote_novatek.sed b/extras/unused/appnote_novatek.sed
new file mode 100644
index 0000000..ab46823
--- /dev/null
+++ b/extras/unused/appnote_novatek.sed
@@ -0,0 +1,55 @@
+#n  does not work.  use nsed -n
+
+######################################################################
+# nsed -f appnote_novatek.sed inputfile
+# produce output in: init_sequence.out
+# still requires removing some garbage.  
+# adding array declaration, inserting argument count on each line.
+
+# parse Novatek App Note sequence. e.g.
+# Lcd_Write_Com(0XF2);
+# Lcd_Write_Data(0x18);
+# delay(100);
+
+:Novatek
+# trim any leading, trailing whitespace. Line scope comments
+s/^[\t ]*//
+s/[\t ]*$//
+s/[\t ]*[/][/]\(.*\)/ \/\*\1\*\/ /
+# block start
+/Lcd_Write_Com(/b good
+/delay(/b good
+b print
+{
+:good
+   h
+   :args
+   n
+   s/^[\t ]*//
+   s/[\t ]*$//
+   s/[\t ]*[/][/]\(.*\)/ \/\*\1\*\/ /
+   # append any data to Hold space
+   /Lcd_Write_Data(/{
+      H 
+      b args
+   }
+   /^$/b args
+   x
+   # trim (   0xNN   ) to (0xNN)
+   s/( */(/g
+   s/ *)/)/g
+   # parse command byte to (0xNN),
+   s/Lcd_Write_Com(\([^)]+\)/    (\1)/
+   # parse data byte to 0xNN,
+   s/\nLcd_Write_Data(//g
+   # parse delay times
+   s/delay(\(.+\));/    TFTLCD_DELAY8, \1, /
+   s/) *\;/,/g
+   s/0X/0x/g
+   s/,;/,/
+   winit_sequence.out   
+   x
+   b Novatek
+}
+:print
+:end