INT 65 - TI Professional PC - OPTION ROM DATA AREA POINTER (NOT A VECTOR!)

Desc:	the low word of this vector contains the segment of the RAM data area
	  to be used by the expansion ROM at F400h:8000h, and the high word
	  contains the length of the data area; this segment and size are
	  both set to 0000h if no ROM is installed at F400h:8000h
SeeAlso: INT 60"TI Professional PC",INT 64"TI Professional"
SeeAlso: INT 66"TI Professional PC"