Specifications

D:\D\inter61a\INTERRUP.A Saturday, January 08, 2011 11:31 AM
Bit(s) Description (Table 04084)
0 enable double scanning
1 enable interlacing
2 horizontal sync polarity (0 positive, 1 negative)
3 vertical sync polarity (0 positive, 1 negative)
SeeAlso: #04083
--------V-104F03-----------------------------
INT 10 - VESA SuperVGA BIOS - GET CURRENT VIDEO MODE
AX = 4F03h
Return: AL = 4Fh if function supported
AH = status
00h successful
BX = video mode (see #00083,#00084)
bit 13: VBE/AF v1.0P accelerated video mode
bit 14: linear frame buffer enabled (VBE v2.0+)
bit 15: don't clear video memory
01h failed
SeeAlso: AH=0Fh,AX=4E04h,AX=4F02h
--------V-104F04-----------------------------
INT 10 - VESA SuperVGA BIOS - SAVE/RESTORE SuperVGA VIDEO STATE
AX = 4F04h
DL = subfunction
00h get state buffer size
Return: BX = number of 64-byte blocks needed
01h save video states
ES:BX -> buffer
02h restore video states
ES:BX -> buffer
CX = states to save/restore (see #00085)
Return: AL = 4Fh if function supported
AH = status
00h successful
01h failed
SeeAlso: AH=1Ch,AX=5F90h,AX=5FA0h
Bitfields for VESA SuperVGA states to save/restore:
Bit(s) Description (Table 00085)
0 video hardware state
1 video BIOS data state
2 video DAC state
3 SuperVGA register state
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