INT 21 - Attachmate Extra! - GET 3270 DISPLAY STATE                             
	AH = A0h
Return: AL = display status (see #01796)
	BX = host window status (see #01797)
Program: Attachmate Extra! is a 3270 emulator by Attachmate Corporation
SeeAlso: AH=A1h


Bitfields for Attachmate Extra! display status:
Bit(s)	Description	(Table 01796)
 7	0=windowed, 1=enlarged
 6-3	current screen profile number 0-9
 2-0	active window number (0=PCIBM PC, 1-4=host B-E, 5-6=notepad F-G)


Bitfields for host window status:
Bit(s)	Description	(Table 01797)
 15	reserved
 14	0=host E window installed, 1=not
 13	0=host E terminal on, 1=off
 12	0=host E window displayed, 1=not
 11	reserved
 10	0=host D window installed, 1=not
 9	0=host D terminal on, 1=off
 8	0=host D window displayed, 1=not
 7	reserved
 6	0=host C window installed, 1=not
 5	0=host C terminal on, 1=off
 4	0=host C window displayed, 1=not
 3	reserved
 2	0=host B window installed, 1=not
 1	0=host B terminal on, 1=off
 0	0=host B window displayed, 1=not