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Cemetech Announcements :: RE: Hands-On with the TI-84 Plus C Silver Edition: Full Review

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Author: KermMartian
Posted: 20 Feb 2013 12:43:03 am (GMT -5)

DJ_O wrote:
Kerm could you try to run the following stuff?

1) Fill the entire 265x165 screen with Horizontal on both a TI-83+ and the color screen calculator. I wonder how long approximately does it take to fill
This one is really painful on the TI-84 Plus C Silver Edition. You can see the partial drawing of the horizontal lines, which I don't think was ever the case. The TI-84+CSE takes 20.6 seconds to fill the screen with 165 horizontal lines. The TI-84+SE takes 2.9 seconds to fill the screen with 64 horizontals. The area ratio is 43725/6144 pixels = 7.11, so pixel-for-pixel, and the speed ratio is 20.6/2.9 seconds = 7.09, so they're about the same speed, per pixel. Sad

Quote:
2) Does RecallPic and StorePic work inside programs with archived pics?
Pics must be archived. There is no choice. Yes, you can use both commands in programs. Also, you'll be happy to know that because there's now a transparent color code, Pics can be recalled over others with (essentially) OR logic!

Quote:
3) Dual-layer ASCII. Here is a TI-83+ piece of code of what I mean:


Code:
For(A,0,56,7
Text(-1,A,0,"LLLLLLLLLLLLLLL
End
StorePic 0
For(A,0,56,7
Text(-1,A,1,"HHHHHHHHHHHHHHHH
End
RecallPic 0


Of course you have to change the A values since text is larger, but I wonder how does that BASIC trick (as used in my screenshot above) behave on the 84+ C Silver Edition? And does it behave differently depending of what color you are using (knowing that white text has a gray background, for example)?

Thanks in advance. Smile
It totally overwrites what's underneath. However, since the Hs and Ls are each about 16px tall or so, I can see that there are no pixels erased above the top of the H (and L) characters when they are drawn. Even with Pic variables, it appears the background of dark colors is *white*, not transparent, which is disappointing.
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