Int 2F Fn CD09  - Intel Image Processing Interface - Load Screen           [-]

   AX = CD09h
   CX:BX -> structure (see below)

Return: AL = 00h successful
      = 80h unsuccessful

See Also: AX=CD06h"Image Processing",AX=CD0Ah"Image Processing"

Format of structure:
Offset Size    Description
 00h   BYTE    style
       44h ('D') diamond style
       4Ch ('L') line style
 01h   BYTE    reserved (00h)
 02h   WORD    frequency in lines per inch [sic]
       currently, coerced to nearest of 50, 60, 68, 70, 75, 85, or 100
 04h   WORD    screen angle in degrees (-360 to 360)
       currently coerced to nearest of -45, 0, 45, or 90