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HERE'S SOMETHING I've been working on...can't decide if I like it or not.

r1k.bin

Screenshot. Background color is different in screenshot.

blog-6060-1138234377_thumb.jpg

 

EDIT: New version attached. Has 24 sprites instead of the 16 previously. Also added more boundary checking and changed the movement routine.

r1k.bin

New screenshot.

blog-6060-1138297543_thumb.jpg

For some reason Stella hates this binary...??? Runs fine in z26 at a (95%) constant 262 scanlines, so I don't know what's up. I think it has something to do with the RIOT timer.EDIT II: New version attached, that works with Stella. Will eventually crash. Still 24 sprites (I think that's the limit of RAM) but some are different now. ;)

r1k.bin

And screenshot:

blog-6060-1138310113_thumb.jpg

11 Comments


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if you put the white dude about halfway on the bottom white line, you can see where his sprite is being multiplexed. Nice engine! That's a ton of crap moving around...

 

...but what is it?

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It is an engine that multiplexes both players. I'm kind of annoyed with it because it was a ton of work to get it working and it doesn't look much better than just multiplexing a single player (use z26 to turn the players on and off to see what I mean).

 

What it's for? I was kind of toying with porting Robotron 2084! :)

 

It only uses 3 bytes for each sprite so I could probably double the number of sprites (to 32) for the demo. I don't think there would be enough time to process them outside the kernel though.

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But I don't think my demo supports your belief. :)

 

Does the demo require the sprites to be of uniform height, or can it work with variable-height ones? Some neat stuff there in any case.

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Now that you mention it, it does look quite a bit like Robotron.

 

I definitely think it looks good enough to make a playable game, if not a flicker-free one. No worse than Asteroids :)

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But I don't think my demo supports your belief. :)

 

Does the demo require the sprites to be of uniform height, or can it work with variable-height ones? Some neat stuff there in any case.

The sprites can be any height, any color. Can't change NUSIZx, though. At least not right now; probably could fit it in with a little tweaking. The kernel is kind of a mess right now, though it seems to work. ;)

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