DOSENTRYADJUSTSEGMENT equ 60h - 26h DOSENTRYADJUSTOFFSET equ DOSENTRYADJUSTSEGMENT * 16 DOSENTRYDEVICEBASE equ 10h %idefine PTR section DOSENTRY dw AUXDEV2 - DOSENTRYDEVICEBASE * 16, seg AUXDEV2 + DOSENTRYDEVICEBASE AUXDEV2: ENTRYPOINT: MOV WORD PTR [ENTRYPOINT+3], DOSENTRY - DOSENTRYADJUSTSEGMENT