Double Dribble disk did not contain any on disk copy protection.
BUT instead uses a manual/code book look-up. (SEE Below for the photos)
When you boot the game you immediate get this black screen below.
You need the RED Code sheet to enter the 4 digit Password to start the game.
In this case for C07 you would enter 8467, then the game would start.
Here is the Original RED code sheet – RED because it was hard to Photocopy back in the day. Special THANKS goes to Jerry Kurtz for this original:
Then I convert to B/W with Photoshop so you can print it out: