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Author Topic: Discovering TI-84 Plus C Silver Edition BASIC programming: New TI-Planet pics!  (Read 22923 times)

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Offline Freyaday

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Re: Discovering TI-84 Plus C Silver Edition BASIC programming: New TI-Planet pics!
« Reply #15 on: February 16, 2013, 02:20:58 am »
Do we have any information at all on the actual power of this thing?
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Offline DJ Omnimaga

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Re: Discovering TI-84 Plus C Silver Edition BASIC programming: New TI-Planet pics!
« Reply #16 on: February 16, 2013, 02:31:56 am »
Not any official info, but from some posts, it appears that the calculator might have a 48 MHz processor that is clocked down to something else, while others state it might have a 15 MHz one.

It seems that the 128KB RAM that allowed programs like RealSound, Omnicalc VirtualCalc and early versions of TI-Boy SE is back, though.
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Offline Sorunome

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Re: Discovering TI-84 Plus C Silver Edition BASIC programming: New TI-Planet pics!
« Reply #17 on: February 16, 2013, 02:40:47 pm »
Quote from: DJ_O on February 16, 2013, 02:31:56 am
It seems that the 128KB RAM that allowed programs like RealSound, Omnicalc VirtualCalc and early versions of TI-Boy SE is back, though.
And that is one of the features I miss in my 84+, only that may get me into buying one of those......
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Offline DrDnar

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Re: Discovering TI-84 Plus C Silver Edition BASIC programming: New TI-Planet pics!
« Reply #18 on: February 16, 2013, 04:37:19 pm »
I bet the OS stores a (probably compressed to 8-bit color) copy of the graph screen into the extra RAM, because when drawing to the graph screen, it remembers what you put there after switching to a different screen.
(Special thanks to critor and KermM for these pictures.)
« Last Edit: February 16, 2013, 04:38:15 pm by DrDnar »
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Offline Sorunome

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Re: Discovering TI-84 Plus C Silver Edition BASIC programming: New TI-Planet pics!
« Reply #19 on: February 16, 2013, 04:45:57 pm »
Does kerm already have one of those too O.O
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Offline DJ Omnimaga

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Re: Discovering TI-84 Plus C Silver Edition BASIC programming: New TI-Planet pics!
« Reply #20 on: February 17, 2013, 03:58:52 am »
Interesting, and I assume that KermM has it too as well? Darn lol I can't wait to get one myself to try it. I hope that it comes out early online and that they ship to Canada fast.

Also that orange thing is intriguing... Horizontal appears to let you draw patterns or something O.O

Also, only background images can be 16 bit I think (the ones that seems 133x83 scaled up 2x). The rest seems to be limited to 16 colors. (meaning 4 bits). The extra RAM would make sense then.

EDIT: Kinda ironic that they added so many gray colors. It's like if they thought we might still prefer making grayscale games or maybe they thought that someone would try making a 8xp/8xk emulator at some point to emulate old games grayscale :P

« Last Edit: February 17, 2013, 04:21:15 am by DJ_O »
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Offline critor

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Re: Discovering TI-84 Plus C Silver Edition BASIC programming: New TI-Planet pics!
« Reply #21 on: February 18, 2013, 04:53:15 pm »
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Offline calc84maniac

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Re: Discovering TI-84 Plus C Silver Edition BASIC programming: New TI-Planet pics!
« Reply #22 on: February 18, 2013, 05:24:03 pm »
Quote from: DrDnar on February 16, 2013, 04:37:19 pm
I bet the OS stores a (probably compressed to 8-bit color) copy of the graph screen into the extra RAM, because when drawing to the graph screen, it remembers what you put there after switching to a different screen.
(Special thanks to critor and KermM for these pictures.)
Not 4-bit? You can only draw with 15 colors, you know.
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Offline blue_bear_94

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Re: Discovering TI-84 Plus C Silver Edition BASIC programming: New TI-Planet pics!
« Reply #23 on: February 18, 2013, 05:43:33 pm »
Don't forget the background image, which can be in full-color.
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Offline willrandship

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Re: Discovering TI-84 Plus C Silver Edition BASIC programming: New TI-Planet pics!
« Reply #24 on: February 19, 2013, 01:08:43 am »
The OS probably doesn't store that in picvars. My guess is it's loaded in with a separate routine through the driver chip.
« Last Edit: February 19, 2013, 01:09:11 am by willrandship »
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Offline DJ Omnimaga

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Re: Discovering TI-84 Plus C Silver Edition BASIC programming: New TI-Planet pics!
« Reply #25 on: February 21, 2013, 11:00:46 pm »
Wait critor is that really a bug for real? O.O

Also two videos of the calc in action were posted today, showing Output/Disp speed.

Mana Force in the first video (which runs at 83+ speed it seems, except the battle intro transition which is quite slower). Initially, Phero was supposed to try Illusiat 6, but the game won't send because it uses 83+ pics:



However, its speed might be due to how poorly coded it is (I think everything non-screen-related is at the exact same speed as the 84+)

Kerm has tried Output yesterday and he can run 1000 Output() commands in 14 seconds, while on the 84+SE he gets 7.2 (both with MathPrint turned OFF). However, if you Output large strings of characters such as in the following video or if you scroll the screen with Disp, get ready for a major slowdown.



Basically, outputing small characters like ASCII sprites moving around shall be perfectly fine, but scrolling and other things that updates the entire screen in 1 command like in Pokémon Purple will be too slow for real time stuff.
« Last Edit: February 21, 2013, 11:01:28 pm by DJ_O »
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Offline willrandship

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Re: Discovering TI-84 Plus C Silver Edition BASIC programming: New TI-Planet pics!
« Reply #26 on: February 22, 2013, 12:09:31 am »
Maybe they should have implemented a disp buffer, like Linux uses. It stores all the console output and displays it as fast as possible, but the program continues running, ignoring whether it has actually displayed.
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Offline Freyaday

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Re: Discovering TI-84 Plus C Silver Edition BASIC programming: New TI-Planet pics!
« Reply #27 on: February 22, 2013, 12:18:04 am »
Hm. Perhaps there would be a way for ASM programs to implement this?
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Quote from: JustCause on March 29, 2011, 11:44:58 pm
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Offline willrandship

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Re: Discovering TI-84 Plus C Silver Edition BASIC programming: New TI-Planet pics!
« Reply #28 on: February 22, 2013, 01:36:26 am »
It would require a fairly substantial change to how the putS bcall operates, and it would probably take an interrupt.
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Offline _Nicco_

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Re: Discovering TI-84 Plus C Silver Edition BASIC programming: New TI-Planet pics!
« Reply #29 on: February 22, 2013, 01:38:20 am »
Quote from: willrandship on February 22, 2013, 12:09:31 am
Maybe they should have implemented a disp buffer, like Linux uses. It stores all the console output and displays it as fast as possible, but the program continues running, ignoring whether it has actually displayed.
Ah so that's what a buffer does.  I still can't believe that TI would reduce the speed but upgrade the screen.

This seems to be aimed at the new student that know nothing about calculators but want the one that looks the coolest/ prettiest.
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