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include mdef.inc

        modstart        sqrt087
.8087
        xdefp   __sqrt87        ; calc sqrt(fac1)


        defp    __sqrt87
        push    BP              ; save BP
        mov     BP,SP           ; get access to stack
        push    AX              ; push argument
        push    BX              ; . . .
        push    CX              ; . . .
        push    DX              ; . . .
        fld     qword ptr -8[BP]; load argument
        fsqrt                   ; calculate square root of argument
        fstp    qword ptr -8[BP]; store result
        fwait                   ; wait
        pop     DX              ; load result
        pop     CX              ; . . .
        pop     BX              ; . . .
        pop     AX              ; . . .
        pop     BP              ; restore BP
        ret                     ; return
        endproc __sqrt87

        endmod
        end
