Int 2F Fn 1AA4  - Ansiplus V4.02+ - Get/set Ansiplus Smooth Scrolling Rat  [V]

   AX = 1AA4h
   BL = function
       00h get scrolling rate
       01h set scrolling rate
       BH = new minimum scrolling rate in scan lines per retrace

Return: BH = smooth scrolling rate

See Also: AX=1AA3h,AX=1AA5h