INT 60 u - HP 95LX System Manager - OPEN FILE IN READ-ONLY MODE                 
	DI = 0501h
	STACK:	2 WORDs unused dummies (for calls from high level languages)
		DWORDDoubleword; four bytes.	 Commonly used to hold a 32-bit segment:offset or selector:offset address.	pointer to file state record (see #03287)
		DWORDDoubleword; four bytes.	 Commonly used to hold a 32-bit segment:offset or selector:offset address.	pointer to filename
		WORD	length of filename
		WORD	???
		WORD	suppress buffering if nonzero
Return: AX = status
	STACK unchanged
SeeAlso: INT 60/DI=0500h