Int 15 Fn 101E - Topview - "start" - Start Task [Q]
AX = 101Eh
ES = segment of object handle for task to be started
(== handle of main window for that task)
Return: indicated task is started up again
Note: once a task has been started, additional "START"s are ignored
See Also: AX=101Dh,AX=102Bh,INT 21/AH=82h