Int 62 Fn 00DD  u - Fgdriver V4.02 - "fg_waitfor" - Delay For Specified D  [V]

   AX = 00DDh
   BX = duration in clock ticks

Return: after delay elapses

Note:  the FGDRIVER functions are rearranged with each major release, but
     their parameters do not change (see #3145 at AX=0000h)

See Also: AX=00BFh,INT 1A/AX=FF01h