With the xA you might actually not even need to swap bellhousings since yours comes with a C5X transmission, right? If its a C15X then you'd need to swap them.
If you do need to swap the bellhousing, here is a procedure written up for Tercels:
http://board.tercelonline.com/viewthread.php?tid=42739
You'll just reuse your stock drive shafts.