Hi Dennis!
> Hi Manuel,
> > Hm... they actually don't look similar to the "advanced" positioning to
> > me.
> > They do two loops and they're wasting 2 scanlines, just like the original
> > Air-Sea-Battle did from the beginning.
> True but it looks to be the start or spawning of the "advanced" technique.
> They reduced the horizontal positioning significantly from Joe Decuir's
> original routine used in Air-Sea Battle.
Then perhaps you found the "missing link" ;-)
> Oh, I forgot to mention that I looked at Space Invaders briefly after your
> post to AA and Rick Maurer does a routine similar to KABOOM!
And, did you find a clue about how the explosions are done?
Greetings,
Manuel
