Int 2F Fn 1AA3  - Ansiplus V4.03+ - Get/set Ansiplus Internal Variables    [V]

   AX = 1AA3h
   BH = function
       00h get current/default colors

       Return: CH = default colors
           CL = current colors
       01h set current/default colors
       CH = default colors (00h = leave unchanged)
       CL = current colors
       02h get current subscreen region

       Return: BH,BL = true screen rows,columns
           CH,CL = top left row,column of region
           DH,DL = bottom right row,column of region
       03h set subscreen region
       CH,CL = top left row,column of region
       DH,DL = bottom right row,column of region
       04h get driver features (bits 0-31)

       Return: DX:CX = current feature bits
       05h set driver features (bits 0-31)
       DX:CX = feature bits
       06h get driver features (bits 32-63)

       Return: DX:CX = current feature bits
       07h set driver features (bits 32-63)
       DX:CX = feature bits
       other: reserved for future use

See Also: AX=1AA4h,AX=1AA5h