Bitfields for XGA mainframe type character attributes:
Bit(s) Description )
7 blink double rate (75% ON time) or use color 8 as background
(see AX=1003h)
6 reverse video
5 underlined
4 left-most and right-most dots of underline area inverted
3 foreground intensity/character font select
2-0 foreground color
SeeAlso: #00014,#00036