NIOS2 BUS ADDRESS

DEAR ALL,

In my board ,the 91c111 and flash share the bus with 16bit ,when i define the# define IORD_LAN91C111_BSR(base) IORD_16DIRECT(base, 14)

then I write data 0x3 to address 0x900000e the Signal Tap obtained the bus address 0x9000007?

so i define the # define IORD_LAN91C111_BSR(base) IORD_16DIRECT(base, (14*2))

could you explain the problem?