Specifications

D:\D\inter61a\INTERRUP.A Saturday, January 08, 2011 11:31 AM
Bitfields for XGA mode attributes:
Bit(s) Description (Table 00074)
0 set if mode is supported
1 reserved
2 output is supported by the BIOS
3 reserved
4 if set this is a graphics mode (VGA registers inactive, XGA active),
if clear this is a text mode (VGA registers active, XGA inactive)
(Table 00075)
Values for XGA video memory model:
00h Text Mode
01h CGA graphics
02h Hercules graphics
03h 4-planar graphics
04h Packed Pixel
05h Non-chain 4, 256 color
06h Direct Color
07h YUV-24
--------V-104E03-----------------------------------
INT 10 - VESA XGA BIOS Extensions - SET XGA VIDEO MODE
AX = 4E03h
BX = video mode
CX = other command flags
bit 0 If clear the feature connector is set to the default state
DX = XGA handle
ES:DI -> 256 byte buffer
Return: AL = 4Eh if function supported
AH = status
00h function successful
else error code
SeeAlso: AH=00h,AX=4E04h,AX=4F02h
--------V-104E04-----------------------------------
INT 10 - VESA XGA BIOS Extensions - RETURN CURRENT VIDEO MODE
AX = 4E04h
DX = XGA handle
Return: AL = 4Eh if function supported
AH = status
00h function successful
BX??? = current mode
else error code
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