Int 60  u - Hp 95lx System Manager - Open File In Read-only Mode           [b]

   DI = 0501h
   STACK:  2 WORDs unused dummies (for calls from high level languages)
       DWORD   pointer to file state record (see #2958)
       DWORD   pointer to filename
       WORD    length of filename
       WORD    ???
       WORD    suppress buffering if nonzero

Return: AX = status
   STACK unchanged

See Also: INT 60/DI=0500h