Specifications

D:\D\inter61a\INTERRUP.A Saturday, January 08, 2011 11:31 AM
08h VGA w/ color analog display
09h reserved
0Ah MCGA w/ digital color display
0Bh MCGA w/ monochrome analog display
0Ch MCGA w/ color analog display
FFh unknown display type
--------V-101A01-----------------------------
INT 10 - VIDEO - SET DISPLAY COMBINATION CODE (PS,VGA/MCGA)
AX = 1A01h
BL = active display code (see #00039)
BH = alternate display code
Return: AL = 1Ah if function was supported
SeeAlso: AH=12h/BL=35h,AX=1A00h
--------V-101B-------------------------------
INT 10 - VIDEO - FUNCTIONALITY/STATE INFORMATION (PS,VGA/MCGA)
AH = 1Bh
BX = implementation type
0000h return funtionality/state information
ES:DI -> 64-byte buffer for state information (see #00040)
Return: AL = 1Bh if function supported
ES:DI buffer filled with state information
BUG: Trident 8900 (BIOS D3.0 1991/11/12) and Trident 9000 (C3.0 1991/10/25)
do not correctly set the fields at offsets 27h and 29h of the
state information
SeeAlso: AH=15h,AX=1A00h,AX=1F01h
Format of MCGA+ state information:
Offset Size Description (Table 00040)
00h DWORD address of static funtionality table (see #00045)
04h BYTE video mode in effect
05h WORD number of columns
07h WORD length of regen buffer in bytes
09h WORD starting address of regen buffer
0Bh WORD cursor position for page 0
0Dh WORD cursor position for page 1
0Fh WORD cursor position for page 2
11h WORD cursor position for page 3
13h WORD cursor position for page 4
15h WORD cursor position for page 5
17h WORD cursor position for page 6
19h WORD cursor position for page 7
-97-
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