3e Port_MemoryControl out
3f Port_IOPortControl out
7e Port_VCounter in
7f Port_PSG out
7f Port_HCounter in
be Port_VDPData
bf Port_VDPAddress out
bf Port_VDPStatus in
dc Port_IOPort1 in
dd Port_IOPort2 in
f0 Port_FMAddress
f1 Port_FMData
f2 Port_AudioControl