READ_PORT_UCHAR READ_PORT_USHORT READ_PORT_ULONG READ_PORT_BUFFER_UCHAR READ_PORT_BUFFER_USHORT READ_PORT_BUFFER_ULONG WRITE_PORT_UCHAR WRITE_PORT_USHORT WRITE_PORT_ULONG WRITE_PORT_BUFFER_UCHAR WRITE_PORT_BUFFER_USHORT WRITE_PORT_BUFFER_ULONG