|#F7XX||%xxxx0x11 xxxxxxxx||[[8255]] PIO Control-Register|| - ||Write
|-
|#F880-#F88F||%1111 1000 1000 BBCC||[[PlayCity]] Expansion (CTC #F880-F883 Channels mirror channels and YMZ Right #F884, YMZ Left #F888 Datadata)|| - || Write
|-
|#F890-#F89F||%1111 100x 1001 xxxx||[[MultiPlay]] Expansion|| Read || -
|#F8FF||N/A||[[Peripheral Soft Reset]] (MC_BOOT_PROGRAM and MC_START_PROGRAM do OUT [F8FF],FF)|| - ||Write
|-
|#F980-#F98F||%1111 1001 1000 BBCC||[[PlayCity]] Expansion (CTC #F980-F983 Channels channels and YMZ Right #F984, YMZ Left #F988 Registersregisters)|| - || Write
|-
|#F990-#F99F||%1111 100x 1001 xxxx||[[MultiPlay]] Expansion (mirror)|| Read || -