|#4000-7FFF||%01xxxxxx xxxxxxxx||[[ASIC]] - CPC+/GX4000 registers|| Read || Write
|-
|#???C00?||%11xxxxxx xxxxxxx111000000 0000000x||[[Dobbertin Smart Watch]] data read (D0A0=data)|| Read || -
|-
|#???C00?||%11xxxxxx xxxxxDx011000000 0000000x||[[Dobbertin Smart Watch]] data write (A2A0=data)|| Read || -
|-
|}