Re: [stella] Gunfight 2600: Little progress...

[Glenn Saunders <cybpunks@xxxxxxxxxxxx>]

At 11:08 AM 3/14/2001 +0100, you wrote:
> You see, he uses 22 bytes for the first sprite, another 11 for every 
> additional one.

That's just one example of sprite multiplexing.  Consider that Solaris 
doesn't have RAM in the cart and they are considerably more complicated 
than your game is likely to be.  Bob has the Solaris sourcecode up on his 
site so you can compare how that game does it.

I don't think Stargate is a superchip game either and it has plenty of 
objects on screen at once.

Where there is a will, there is a way.

If you user your sprite mutiplexer throughout the game for objects other 
than the bullets, the RAM overhead will surely pay off.  If you intend to 
have a playfield bitmap then it might take too much away from that.

But you do have to realize that by having the players be on the same 
horizontal you are forcing yourself into some of these compromises that 
probably wouldn't happen with the vertical orientation, especially if your 
game prevents those players from ever flickering.

A good example of a player vs. player game in a vertical orientation would 
be Demons to Diamonds.  Because of the enforced vertical separation you can 
have all sorts of obstacles between the players without flicker.  That's 
why I thought that would be the best compromise you could make in order to 
preserve a flickerless aesthetic.



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