Specifications

D:\D\inter61a\INTERRUP.A Saturday, January 08, 2011 11:31 AM

AH = 12h

BL = 81h

Return: AH = BIOS major version

AL = BIOS minor version

SeeAlso: AH=12h/BL=80h,AH=12h/BL=82h

--------V-1012--BL82-------------------------

INT 10 - Cirrus Logic BIOS - GET DESIGN REVISION CODE

AH = 12h

BL = 82h

Return: AL = chip revision

AH = ??? (AFh for v1.01)

SeeAlso: AH=12h/BL=80h,AH=12h/BL=81h,#00732 at INT 1A/AX=B102h

--------V-1012--BL84-------------------------

INT 10 - Cirrus Logic BIOS v3.02 - INQUIRE OPTIONS

AH = 12h

BL = 84h

Return: AX = user options word (see #00030)

SeeAlso: AH=12h/BL=89h,AH=12h/BL=8Ah,AH=12h/BL=8Bh,AH=12h/BL=8Ch,AH=12h/BL=8Fh

SeeAlso: AH=12h/BL=90h,AH=12h/BL=9Ah

Bitfields for Cirrus Logic user options word:

Bit(s) Description (Table 00030)

1,0 centering

00 vertical centered, 01 from bottom, 10 from top, 11 reserved

3,2 720-dot fix-up options

00 OR every 8th and 9th pixel

01 display MGA mode from left

10 display MGA mode from right

11 skip every 9th pixel

4 ???

7-5 video mode (001 CGA, 010 MGA, 011 EGA, 100 VGA)

8 external monitor enabled instead of LCD panel

9 vertical expand mode enabled

10 8-bit mode instead of 16-bit mode

11 normal video rather than reverse video (for LCD)

12 attribute automap rather than attribute emulation

13 bold mode disabled (default)

14 fast bandwidth

15 ???

--------V-1012--BL85-------------------------

INT 10 - Cirrus Logic BIOS - GET INSTALLED MEMORY

-85-

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