VxDcall                 macro   VxD, Service
                        db      0CDh
                        db      020h
                        dw      Service
                        dw      VxD
                        endm

VMMcall                 macro   Service
                        VxDcall VMM, Service
                        endm

pusho                   macro   lbl
                        local   __tmp
                        call    __tmp
                        jmp     lbl
__tmp:                  endm

getofs                  macro   reg, lab
                        call    $+5
                        pop     reg
                        sub     reg, $-1-offset lab
                        endm