I remember that the "P" key was your friend... and I never thought the Amiga mouse was bad quality, but maybe those shipped with the Amiga 500 were still better

I remember that the "P" key was your friend... and I never thought the Amiga mouse was bad quality, but maybe those shipped with the Amiga 500 were still better, I used to clean it regularly, and of course I hadn't used optical mice until then :)