INT 60 u - HP 95LX System Manager - CLOSE FILE
        DI = 0508h
        STACK:  2 WORDs unused dummies (for calls from high level languages)
                DWORD   pointer to file state record (see INT 60/DI=0500h)
Return: ???
        STACK unchanged
SeeAlso: INT 60/DI=0500h

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