EXCA_SYSMEM_ADDRX_SHIFT
(mem->addr >> EXCA_SYSMEM_ADDRX_SHIFT)) & 0x3fff;
mem->addr >> EXCA_SYSMEM_ADDRX_SHIFT);
((mem->addr >> (EXCA_SYSMEM_ADDRX_SHIFT + 8)) &
(mem->addr + mem->realsize - 1) >> EXCA_SYSMEM_ADDRX_SHIFT);
(EXCA_SYSMEM_ADDRX_SHIFT + 8)) &