> Note: I had diffcult time finding 6800 (68B00 same CPU but it's 2MHz)
> datasheet. Still couldn't find it except for pinout which helped me
> to figure out that one terminal.
http://www.datasheetarchive.com/search.php?q=6800&sType=part&ExactDS=Starts
Datasheetarchive is your friend ;o)