this pdf file may be useful to you...
hi there, my project requires me to transfer between 2 pic16f877s on different veroboards. somehow similar to yours
**broken link removed**
the link above may be useful as it include initialisation and loading data(these are assembly codes). it even have the interface between the master and the slave.
however, i followed the steps and still unable to transfer the data.
since your post was a few months ago, have you solve ur prob?
hear from you soon
rainfade