EXCA_SYSMEM_ADDRX_SHIFT
(mem->addr >> EXCA_SYSMEM_ADDRX_SHIFT)) & 0x3fff;
(mem->addr >> EXCA_SYSMEM_ADDRX_SHIFT) & 0xff);
((mem->addr >> (EXCA_SYSMEM_ADDRX_SHIFT + 8)) &
EXCA_SYSMEM_ADDRX_SHIFT) & 0xff);
(EXCA_SYSMEM_ADDRX_SHIFT + 8)) &