In SX Microcontrollers, SX/B Compiler and SX-Key Tool, bean wrote: YAHOO!!! That was it. It's working perfectly now ! A thousand curses on read-modify-write problems... At least now I can get down to write the tile engine. Bean. ---------- End of Message ---------- You can view the post on-line at: http://forums.parallax.com/forums/default.aspx?f=7&p=2&m=143039#m144779 Need assistance? Send an email to the Forum Administrator at forumadmin@parallax.com The Parallax Forums are powered by dotNetBB Forums, copyright 2002-2006 (http://www.dotNetBB.com)