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VIDEO - Compaq Extensions - GET EXTENDED ENVIRONMENT

AX = BF11h

Return:
AL = BFh if supported
CF clear
ES:DI -> ASCII signature "COMPAQ"
ES:SI -> advanced functionality table (see #00214)

Note: Supported by at least the QVision board and the LTE Lite and ProSignia ROM BIOSes

See Also: AX=1A00h - AX=BF03h

Bitfields for Compaq advanced video functionality:

Bit(s)  Description     (Table 00214)
31     future graphics extensions (reserved, set to 0)
30-16  reserved
15-12  available video memory in 256K blocks, less one (0000 = 256K, etc.)
11-8   reserved
7      QVision modes supported
6      Advanced VGA modes supported
5      Accelerated VGA modes supported
4      standard VGA modes supported
3-2    reserved
1      132-column modes supported
0      reserved

Category: Vendor-specific BIOS Extensions - Int 10h - V

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