INT 60 u - HP 95LX System Manager - READ FROM FILE                              
	DI = 0504h
	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 data buffer
		WORD	number of bytes to read
		DWORDDoubleword; four bytes.	 Commonly used to hold a 32-bit segment:offset or selector:offset address.	pointer to WORD in which to return actual bytes read
Return: ???
	STACK unchanged
SeeAlso: INT 60/DI=0505h