INT 2F PU - Borland C++ 3.0 DPMILOAD.EXE - ???
        AX = FB42h
        BX = 001Ch
        ES = selector for DPMILOAD data (see AX=FB42h/BX=0005h)
        CX = 1-based index of ???
        DX = 1-based index of ???
Return: DX = status (0000h,0002h,FFF9h) (see AX=FB42h/BX=0004h)

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