INT 2F - PRINDIR v9.0 - SET FLUSH DELAY AX = 7F0Ah DX = number of clock ticks before flushing Return: AX = status 0000h successful SeeAlso: AX=7F00h"PRINDIR",AX=7F07h"PRINDIR",AX=7F09h,AX=7F0Bh,AX=7F0Ch