[stella] Review my marble animation

[Paul Slocum <paul-stella@xxxxxxxxxxxxxx>]

I managed to rearrange stuff and make room for two extra frames of 
animation for my marbles.  I used a variation of the graphics Kirk 
suggested.  I believe I will be able to get at least one and hopefully two 
more player shapes to animate "falling off".  I haven't tried all of 
Thomas's ideas to optimize the kernal yet, so it's still possible that I 
may find a way to double the number of player shapes.

See what you think of what I've got.  It's not perfect, but I think it 
gives a decent impression of "rolling" and it's at least an improvement 
over no animation.  :o)

I've also started implementing some of your suggestions.  The timer now 
always stops when you die.  And when your marble is reset, it flickers 
quickly right before you regain control to warn you that you are about to 
start playing.  Game Select now cycles through the options on the title 
screen.  I've slowed the "inactive player" animation, and the B&W switch 
now turns it off without affecting the music.

It's a work in progress right now:  There is an extra scanlines right now, 
and only the left player is animated.  Also, I put "walls" on the first level.

I really appreciate everyone's feedback and help so far.  My game's going 
to be a lot better for it.

-paul

Attachment: marble.bin
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