Int 10H [VGA] Function 10H (16) Subfunction 13H (19) Set color page state

Selects the paging mode for the color registers, or selects an individual page of color registers.

Call with:

To select the paging mode

AH = 10H

AL = 13H

BH = paging mode

00H for 4 pages of 64 registers

01H for 16 pages of 16 registers

BL = 00H

To select a color register page

AH = 10H

AL = 13H

BH = page

BL = 01H

Returns:

Nothing

Note:

This function is not valid in mode 13H (320-by-200 256-color graphics).