Int 10 Fn 3000  - Video - Locate 3270pc Configuration Table (installation  [V]

   AX = 3000h
   CX = 0000h
   DX = 0000h

Return: CX:DX -> 3270PC configuration table (see #0060)
   CX:DX = 0000h:0000h if 3270PC Control Program not active

See Also: AX=1F01h

Format of 3270 PC configuration table:
Offset Size    Description (Table 0060)
 00h   BYTE    aspect ratio X
 01h   BYTE    aspect ratio Y
 02h   BYTE    monitor type (see #0061)
 03h   BYTE    reserved
 04h   BYTE    adapter ID
       00h = 5151/5272 adapter
       04h = 5151/5272 with XGA adapter
       30h = 3295 or 3270PC G/GX adapter
 05h   BYTE    reserved
 06h   BYTE    function flags 1 (see #0062)
 07h   BYTE    function flags 2
       bit 6: GPI graphics supported
 08h   WORD    segment address of Control Program Level table (see #0063)
 0Ah 10 BYTEs  reserved

(Table 0061)
Values for 3270 PC monitor type:
 00h   5151 (mono) or 5272 (color)
 01h   3295
 02h   5151 or 5272 with XGA (???) graphics adapter
 03h   5279 with 3270PC G adapter
 04h   5379 model C01 with 3270PC GX adapter
 05h   5379 model M01 with 3270PC GX adapter
 07h   non-3270PC with 3270 Workstation Program
 FFh   3270PC Control Program not loaded

Bitfields for 3270 PC function flags 1:
Bit(s) Description (Table 0062)
 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

Format of Control Program Level table:
Offset Size    Description (Table 0063)
 00h   WORD    program version
       02xxh = 3270PC Control Program v2.xx
       03xxh = 3270PC Control Program v3.xx
       04xxh = 3270 Workstation Program v1.xx
 02h   BYTE    Control Program ID (00h)
 03h 27 BYTEs  Control Program Descriptor ("IBM 3270 PC CONTROL PROGRAM")