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AX = 4F02h
set SuperVGA screen mode
BX =
AL =
AH =
AX = 4F03h
return SuperVGA screen mode
AL =
AH =
BX =
AX = 4F04h
DL= 00h
CX=
AL=
AH=
BX=
AX = 4F04h
DL=01h
CX=
ES:BX=
AL=
AH=
SuperVGA screen mode
100h: 640 x 400 x 256
101h: 640 x 480 x 256
102h: 800 x 600 x 16
103h: 800 x 600 x 256
104h: 1024 x 768 x 16
105h: 1024 x 768 x 256
106h: 1280 x 1024 x 16
107h: 1280 x 1024 x 256
4Fh (since function is supported)
00h: OK (SuperVGA screen mode is set)
4Fh (since function is supported)
00h: OK (SuperVGA screen mode is set)
01h: error
SuperVGA screen mode
100h: 640 x 400 x 256
101h: 640 x 480 x 256
102h: 800 x 600 x 16
103h: 800 x 600 x 256
104h: 1024 x 768 x 16
105h: 1024 x 768 x 256
106h: 1280 x 1024 x 16
107h: 1280 x 1024 x 256
read size of buffer for screen status
Bit 0: Video-Hardware status
Bit 1: Video-BIOS status
Bit 2: Video-DAC status
Bit 3: SuperVGA status
4Fh (since function is supported)
00h: OK
01h: error
number of 64 Byte blocks (size of buffer)
save status
Bit 0: Video-Hardware status
Bit 1: Video-BIOS status
Bit 2: Video-DAC status
Bit 3: SuperVGA status
buffer for status
4Fh (since function is supported)
00h: OK
01h: error
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