Int 2F Fn 7F0A  - Prindir V9.0 - Set Flush Delay                           [P]

   AX = 7F0Ah
   DX = number of clock ticks before flushing

Return: AX = status
       0000h successful

See Also: AX=7F00h"PRINDIR",AX=7F07h"PRINDIR",AX=7F09h,AX=7F0Bh,AX=7F0Ch