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Atari demoscene BBS
| Re: How do you zoom on Atari? |
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Posted by: Zamuel_a
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Jan,30.2013-12:30
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"Well, mostly it's a result of selfgenerating code that streches the two bitmaps along the x-axis.
The y-axis of the foreground bitmap is stretched by repeating scanlines, and the background zoomed bitmap is copied with the cpu to the current scanline in a race with the electron beam."
Sounds like an ingenious way, but probibly not so easy to figure out. I never done anything with selfgenerating code but I understand that you can do clever stuff with it if you are good at using it.
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[All messages in this thread] [Start new thread]
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Topic
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Posted by
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Date
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How do you zoom on Atari?
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Zamuel_a
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Jan,28.2013-23:30
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Re: How do you zoom on Atari?
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evil
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Jan,29.2013-16:44
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Re: How do you zoom on Atari?
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Zamuel_a
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Jan,29.2013-17:16
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Re: How do you zoom on Atari?
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evil
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Jan,29.2013-17:34
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Re: How do you zoom on Atari?
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Paranoid / pdx
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Jan,29.2013-22:39
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Re: How do you zoom on Atari?
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Bod/STAX
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Jan,29.2013-17:21
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Re: How do you zoom on Atari?
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Zamuel_a
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Jan,29.2013-19:36
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Re: How do you zoom on Atari?
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ggn
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Jan,30.2013-09:47
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Re: How do you zoom on Atari?
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Zamuel_a
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Jan,30.2013-12:30
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Re: How do you zoom on Atari?
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nativ
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Jan,31.2013-16:21
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Re: How do you zoom on Atari?
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Dma-Sc
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Feb,01.2013-12:39
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What's the anti-troll code?
That's your personal code to be able to add comments and messages on the dhs.nu site.
Don't have a code or forgot it? Fix it here.
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