Timer screw up, did I handle it right?

[Back In The Saddle]

8 seconds left in the first half. H makes a free throw and V rolls the inbounds along the ground. V coach hollers about the time and I look up at the clock to see that it's down to 6 seconds. No player on the floor has touched the ball yet.

I whistled the play dead, instructed the timer to put 8 seconds on the clock (the clock didn't show tenths, only seconds), and then put the ball back in play with a throw-in at the spot nearest where the ball was when I blew it dead.

Did I handle this correctly?