.htaccess Help...Can't Figure This Out

Alright, I tried searching google, and while I found a lot of answers that were ALMOST what I needed, nothing quite does EXACTLY what I need. Hopefully somebody here can help me out.

I have a site that I just copied completely to a brand new domain...but in a sub-directory.

I need a .htaccess code that can do this:

Take http://oldsite.com/page1.htm and turn it into:

http://newsite.com/newdirectory/page1.htm

It has to be able to do that for ALL the pages of http://oldsite.com/ automatically.

Any suggestions?

Alright, I got it figured out, I was over-complicating things.