Memory Map of 65ALL, Rev1

ROM is 32 bytes located at $FC00 and replicated every 32 bytes to $FFFF. It is desirable to replace ROM with RAM by writing to certain “magic register” to be determined

CPLD I/O is $F800 - $FBFF with bit bang serial at $F888 and $F889 and PS2 keyboard at $F8A0 and $F8A1

External I/O is from $F000-$F7FF. $F000-$F007 is assigned to compact flash

Dual port RAM is located at $E000-$EFFF with font table located at $EC00-$EFFF and video text from $E000-$EBFF.

RAM is from $0-$DFFF