I don't need 16-bit-Address-lines, because I don't want to read from a SRAM or whatever but from a Compactflash.
Port0 is for Data and Port2 for Control-lines (like RD, and special pins from the compactflash-card)
That makes things much clearer (I'm a beginner in µC-projects) so you are not yet familiar with the lingo. You do not, per say, want to simulate movx, you want to do data I/O.
Do you have any external memory Code or Data on your board, a lot will depend on that.

Erik