Bitfields for TI Professional PC cursor size and type:
Bit(s)	Description	)
 15	reserved (0)
 14-13	cursor type
	00 nonblinking
	01 off
	10 slow blink
	11 fast blink
 12-8	starting scan line (0-11)
 7-5	reserved (0)
 4-0	ending scan line (0-11)
SeeAlso: #03263