Oops! I think I read too quickly, just like where I thought I read 16F877 but you wrote 18F877! Sorry I probably can't help directly with your problem, but will be interested to see others suggestions. Peter Keller wrote: > Brent, > realy nice program, I will make use of it one day. > But I need something different. oviously I was not clear in my > explanation. Brent Brown Electronic Design Solutions 16 English Street Hamilton, New Zealand Ph/fax: +64 7 849 0069 Mobile: 025 334 069 eMail: brent.brown@clear.net.nz