Int 10/AX=4F07h

VESA SuperVGA BIOS v1.1+ - GET/SET DISPLAY START

AX = 4F07h
BL = subfunction
00h,80h set display start
CX = leftmost displayed pixel in scan line
DX = first displayed scan line
01h get display start
Return:
BH = 00h
CX = leftmost displayed pixel in scan line
DX = first displayed scan line.
BH = 00h (reserved)

Return:
AL = 4Fh if function supported
AH = status
00h successful
01h failed

Notes: This function is valid in text modes, provided that values are multiplied by the character cell width/height. Subfunction 80h waits until vertical retrace before changing the display start address (VBE v2.0+)

See Also: AX=4F01h - AX=4F05h - AX=4F06h

Category: Video - Int 10h - V

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