INT 2F - MS Windows 3.0+ - KERNEL IDLE CALL AX = 1689h BX = status flags (see #04105) Return: ??? Desc: the Windows KERNEL idle loop calls this function, which VMM uses as an indication that the system is idle, which in turn generates INT 28 and INT 2F/AX=1607h/BX=0018h callouts SeeAlso: AX=1680h,AX=1607h/BX=0018h,INT 15/AX=1000h,INT 28