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Author Topic: How do you write a string to the basic variable Ans?  (Read 9006 times)

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Offline tehalynn

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How do you write a string to the basic variable Ans?
« on: November 28, 2010, 06:33:56 pm »
How do you write a string to the basic variable Ans?
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Offline Xeda112358

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Re: How do you write a string to the basic variable Ans?
« Reply #1 on: November 28, 2010, 06:35:18 pm »
Whenever you use a string it is stored in Ans. For example:
:"HELLO
:If Ans="HELLO
:Pause Ans
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Offline jnesselr

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Re: How do you write a string to the basic variable Ans?
« Reply #2 on: November 28, 2010, 06:39:13 pm »
Actually, anything you do is written in ans.  Any function automatically stores it's value into ans.  Which means that it can only be used temporarily, because as soon as you do anything that returns a value, the value of ans will change.
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Offline Xeda112358

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Re: How do you write a string to the basic variable Ans?
« Reply #3 on: November 28, 2010, 06:42:32 pm »
Wait a minute... Axe... Oops? I believe a similar question came up before, but I do not remember where. Sorry...
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Offline Deep Toaster

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Re: How do you write a string to the basic variable Ans?
« Reply #4 on: November 28, 2010, 06:42:50 pm »
I actually don't know how to do it, but just to let you all know, this is in the Axe Parser subforum ;)

EDIT: Ah, ninja'd.
« Last Edit: November 28, 2010, 06:43:05 pm by Deep Thought »
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Offline Munchor

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Re: How do you write a string to the basic variable Ans?
« Reply #5 on: November 28, 2010, 06:43:16 pm »
I also think it could be moved.

Anyways, here's a screnie
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Offline calc84maniac

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Re: How do you write a string to the basic variable Ans?
« Reply #6 on: November 28, 2010, 06:48:42 pm »
You should be able to use Data(4,TAns,0) as a name with GetCalc() to create or modify Ans as a string.
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Offline AngelFish

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Re: How do you write a string to the basic variable Ans?
« Reply #7 on: November 28, 2010, 06:51:58 pm »
You can access it in Assembly through OP1. The code for the TI-OS Ans variable is 72h, followed by two bytes of 0. The variable is used for system storage, though, so it's rather volatile. I'd only recommend using it in something like a sprite editor where the user has to transfer data. If you need to store data within the program for later computation, the Ans variable might take too long to store to.

EDIT: kind of Ninja'd  :P
« Last Edit: November 28, 2010, 06:53:06 pm by Qwerty.55 »
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Offline DJ Omnimaga

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Re: How do you write a string to the basic variable Ans?
« Reply #8 on: November 28, 2010, 06:56:17 pm »
Quote from: ScoutDavid on November 28, 2010, 06:43:16 pm
I also think it could be moved.

Anyways, here's a screnie
Nah his question was about Axe so it should remain here.

By the way welcome here tehalynn :) .
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Offline calcdude84se

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Re: How do you write a string to the basic variable Ans?
« Reply #9 on: November 28, 2010, 07:04:23 pm »
It does need two 0's. (Unless you're ending the line with ->Str0 etc.)
For example, this line does not work: (There needs to be another 0 in the Data( sequence)
Disp GetCalc(Data(4,TAns,0
Also, the data in Ans are a series of tokens, not characters, so be aware of that ;)
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Offline calc84maniac

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Re: How do you write a string to the basic variable Ans?
« Reply #10 on: November 28, 2010, 07:22:49 pm »
Quote from: calcdude84se on November 28, 2010, 07:04:23 pm
It does need two 0's. (Unless you're ending the line with ->Str0 etc.)
For example, this line does not work: (There needs to be another 0 in the Data( sequence)
Disp GetCalc(Data(4,TAns,0
Also, the data in Ans are a series of tokens, not characters, so be aware of that ;)
Ah yeah. You only need one 0 after a two-byte name, but two 0's after a one-byte name.
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Offline tehalynn

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Re: How do you write a string to the basic variable Ans?
« Reply #11 on: November 28, 2010, 08:07:33 pm »
Wow, there are lots of helpful people here!  :)

Sorry I wasn't more clear, this was a question about Axe. I just found it recently and I'm impressed. I only really program on-calc so I'd been hoping for a while that somebody would make something like this.

I'm using Ans so that the string can be recalled easily after the program ends.

So let's say I want to put "TEST" into Ans. How exactly do I go about doing that? I don't entirely understand Data, TToken, and how to convert between a string and tokens.
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Offline AngelFish

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Re: How do you write a string to the basic variable Ans?
« Reply #12 on: November 28, 2010, 08:13:23 pm »
It'd be something like
"TEST"->GetCalc(Data(4,TAns,0

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Offline calcdude84se

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Re: How do you write a string to the basic variable Ans?
« Reply #13 on: November 28, 2010, 08:17:05 pm »
No, you have to copy data. So more like this:
Code: [Select]
Copy("TEST",GetCalc(Data,4,[sup]T[/sup],0,0),4
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Offline AngelFish

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Re: How do you write a string to the basic variable Ans?
« Reply #14 on: November 28, 2010, 08:18:15 pm »
That makes more sense. I'd forgotten about the Copy( token.
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