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Scrolling graphscreen
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noahbaby94


Member


Joined: 09 Oct 2008
Posts: 118
Location: I don't know I was hoping you knew.
Posted: 03 Dec 2008 06:47:08 pm    Post subject: Scrolling graphscreen
Ok so this is more of a proof of concept than anything but I think I might of made a functioning scroll on the graphscreen It's more of a proof on concept than anything. Once Kerm uploads it I'll provide a link Just go to the end of the screen and see it scroll.
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rthprog


Expert


Joined: 21 Sep 2007
Posts: 726
Location: Pittsburgh, PA
Posted: 03 Dec 2008 08:11:32 pm    Post subject:
I havent seen the code, but could you elaborate? I'm assuming it scrolls part of the screen; how fast is it? Could you source-coder it and post the code itself here?
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noahbaby94


Member


Joined: 09 Oct 2008
Posts: 118
Location: I don't know I was hoping you knew.
Posted: 03 Dec 2008 08:24:28 pm    Post subject:
Darnet I'm having issues with ti-connect right now but heres a gif.
It uses stat sprites and changing the Xmin and Xmax.
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rthprog


Expert


Joined: 21 Sep 2007
Posts: 726
Location: Pittsburgh, PA
Posted: 03 Dec 2008 08:49:09 pm    Post subject:
.... so it "scrolls" the graphscreen a couple pixels to the right, given coordinates I presume...?
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noahbaby94


Member


Joined: 09 Oct 2008
Posts: 118
Location: I don't know I was hoping you knew.
Posted: 03 Dec 2008 08:56:56 pm    Post subject:
Yes thats basicly how it works.
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rthprog


Expert


Joined: 21 Sep 2007
Posts: 726
Location: Pittsburgh, PA
Posted: 03 Dec 2008 09:02:06 pm    Post subject:
have you thought about anyway to "scan in" a unique graphscreen? for example, have the code shift pixel by pixel, an entire block of the graphscreen? for example, :


Code:
:for(x,1,30)
:for(y,1,30)
:If pixelTest(Y,X+1)
:Then
:PixelOn(Y,X
:Else
:PixelOff(Y,X
:End
:End
:End
:for(y,1,30
:pixeloff(Y,31
:End


(if it dosent work... yeah, I might be making up commands...)
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KermMartian


Site Admin


Joined: 14 Mar 2005
Posts: 55886
Location: Earth, Sol, Milky Way
Posted: 03 Dec 2008 09:05:39 pm    Post subject:
rthprog, I've tried that before; it's disgustingly slow. If you're doing that, you'd better be StorePic'ing it and then RecallPic'ing in rapid succession (unless it's for a graphics editor, in which case no one cares).
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rthprog


Expert


Joined: 21 Sep 2007
Posts: 726
Location: Pittsburgh, PA
Posted: 03 Dec 2008 09:08:03 pm    Post subject:
KermMartian wrote:
rthprog, I've tried that before; it's disgustingly slow. If you're doing that, you'd better be StorePic'ing it and then RecallPic'ing in rapid succession (unless it's for a graphics editor, in which case no one cares).


which is why I usually use Codex/XLIB to scroll. however, if it for some reason needs to be all-basic and the area is small...

plus, how often do you really need to scroll lines?
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