If you can't get the files you need from your friend so you have the full working version, you
can still test drive the compiler. Just download the demo. It supports the 877A.
http://www.microengineeringlabs.com/pbpdemo.htm
Read the yellow section on this page http://www.microengineeringlabs.com/...pgrade.htm#pbpI gues it is a legal
Bookmarks