INT 2F PU - Borland C++ DPMILOAD.EXE - LOAD PROTECTED-MODE EXECUTABLE???
        AX = FB42h
        BX = 0004h
        DS:DX -> ASCIZ filename of protected-mode executable
Return: CX = selector of ??? or 0000h
---BC3.0---
        DX = status (0000h,FFF4h,others???) (see below)
Note:   the filename may also be terminated by a CR rather than a NUL under the
          BC++ 3.0 version of DPMILOAD

Values for status:
 0000h  successful
 0001h  ??? failure
 0002h  invalid selector
 0004h  unknown error
 0008h  no more LDT descriptors available???
 FFDEh  unable to set descriptor
 FFDFh  unable to get segment base address
 FFE0h  ???
 FFF2h  invalid parameter value
 FFF4h  component of filename too long (name not in 8.3 format)
 FFF5h  pathname too long (>79 chars)
 FFF6h  ???
 FFF8h  ???
 FFF9h  index out of range
 FFFAh  ???
 FFFCh  invalid access to code segment???
 FFFEh  ???
 FFFFh  general error