Changes
Add X-MEM / Y-MEM ports
|-
|#7EXX||%0xxxxx10 xxxxxxxx||[[Aleste 520EX]] RAM Mapper page 2 (extended "Gate Array 3")||Read||Write
|-
|#7EXX||%0xxxxxx0 xxxxxxxx||[[Y-MEM]] 512K RAM Expansion part||Read||Write
|-
|#7FXX||?||[[CPC4MB|4Mb Memory extension]]||-||Write
|-
|#7FXX||%0xxxxx11 xxxxxxxx||[[Aleste 520EX]] RAM Mapper page 3 (extended "Gate Array 3")||Read||Write
|-
|#7FXX||%0xxxxxx1 xxxxxxxx||[[X-MEM]] 512K RAM Expansion part||Read||Write
|-
|#7FXX||?||[[Dk'tronics memory expansion]]||-||Write
