Bitfields for 3270 PC function flags 1:
Bit(s)	Description	)
 7	mono text, 1 page
 6	color text, 1 page
 5	color text, 4 pages
 4	CGA color graphics
 3	720x350 two-color graphics
 2	360x350 four-color graphics
 1	720x350 eight-color graphics