Memory Map:

&H0000-&H07FF	Working RAM
&H0800-&H1FFF	Unused
&H2000-&H5FFF	System use
&H6000-&H6FFF	Unused
&H7000-&H6FFF	System use
&H7040-&H77FF	Working RAM, Board Data, Basic Free Area
&H7800-&H7FFF	Unused	
&H8000-&HFFFF	Program ROM