Subject: Re: [stella] Big Balls From: "John Saeger" <john@xxxxxxxxxxx> Date: Tue, 16 Feb 1999 13:51:07 -0800 |
-----Original Message----- From: Eckhard Stolberg <Eckhard_Stolberg@xxxxxxxxxxxxxxxxxxxxx> To: stella@xxxxxxxxxxx <stella@xxxxxxxxxxx> Date: Tuesday, February 16, 1999 6:02 AM Subject: Re: [stella] Big Balls >At 10:09 14.02.99 -0800, you wrote: >>I guess it's not too surprising that you can get multiple copies of a >>ball graphic to show up on a line, but at least on my VCS, these balls >>are 9 pixels wide. They're set to be 8 pixels wide and I do a RESBL > >I get a solid line on my VCS too. This trick gets weirder every day. >Are the ball graphics really 9 pixels wide or are they even wider? >Have you tried other spacings than 3 cycles yet? I'm not sure how wide they *really* are. But when I try a 4 cycle delay things look *normal*. Looks like 2 8 pixel balls separated by 4 pixels. When I play some games in the HBLANK area, I can test delays of 1 and 2 cycles. 2 cycles seems *normal*. The balls overlay each other when they're wide (no gaps), and appear next to each other when they're narrow. 1 cycle delay gets interesting. Behavior depends on the width of the balls. At widths 4 and 8 the balls overlay each other. At widths 1 and 2, the first ball disappears. I've attached the tests of 1 cycle at widths 2 and 4 in case you wanted to see. Please let me know if you see something different though... I haven't done much testing with wrapped balls, that start on the right side of the screen and finish on the left side. It's harder to do, and I doubt if it happens much in real games. :-) To tell the truth, I'm not sure if *any* of this stuff actually happens in real games. But I thought the line drawing trick was neat. >I wonder how the trick works with double or quatruple width player >graphics. I don't know. I have been assuming that since I've never seen multiple players with NUSIZ=0 that I would never see them with double or quadruple width, but maybe nothing is safe to assume! John
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