I/O for Address

Added HEX2ASCII
Added DSPAX: Displays ASCII in D0.L to the screen
Added DSPHXW: Displays HEX word in D0.W to the screen
Added DSPHXL: Displays HEX long word in D0.L to the screen

Added memory address display to loop.

Revised compress method so that it doesn't get traced into when stepping through the code (much faster to skip to the important stuff when debugging now)