In SX Microcontrollers, SX/B Compiler and SX-Key Tool, mghodge wrote: "Faster and more efficient" to me means do it in assembly. I don't think with SX Basic you can do the pin assignments for SHIFTIN/OUT as variables. I know you definitely can not for SERIN/OUT ---------- End of Message ---------- You can view the post on-line at: http://forums.parallax.com/forums/default.aspx?f=7&p=1&m=432901#m432947 Need assistance? Send an email to the Forum Administrator at forumadmin@parallax.com The Parallax Forums are powered by dotNetBB Forums, copyright 2002-2010 (http://www.dotNetBB.com)