Changes
|#F880-#F88F||%1111100x 1000xxxx||[[PlayCity]] Expansion CTC channels and YMZ data|| - || Write
|-
|#F890-#F89F||%1111100x 1--1xxxx||[[MultiPlay]] Expansion (mirror conflict with Z-MEMport, use #F9xx)|| Read || -
|-
|#F8A0-#F8AF||%11111000 1010xxxx||[[X-CPC]] ClockPort RTC|| Read || Write
