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Int 10 Fn 3000 - Video - Locate 3270pc Configuration Table (installation [V]
AX = 3000h
CX = 0000h
DX = 0000h
Return: CX:DX -> 3270PC configuration table (see below)
CX:DX = 0000h:0000h if 3270PC Control Program not active
See Also: AX=1F01h
Format of 3270 PC configuration table:
Offset Size Description
00h BYTE aspect ratio X
01h BYTE aspect ratio Y
02h BYTE monitor type (see below)
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 below)
07h BYTE function flags 2
bit 6: GPI graphics supported
08h WORD segment address of Control Program Level table (see below)
0Ah 10 BYTEs reserved
Values for 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 function flags 1:
bit 7 mono text, 1 page
bit 6 color text, 1 page
bit 5 color text, 4 pages
bit 4 CGA color graphics
bit 3 720x350 two-color graphics
bit 2 360x350 four-color graphics
bit 1 720x350 eight-color graphics
Format of Control Program Level table:
Offset Size Description
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")
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