Thank you for using List Exist Check©
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This program was created for the TI-83+ and TI-83+ SE. This is probably also compatible with the TI-84+ and TI-84+ SE, but it hasn't been tested.
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This is a great routine for all BASIC programmers! This program is a routine to use in your programs that checks if a list exists. It's written entirely in BASIC!
This program is very easy to use. This makes games (high score charts, people?) and all sorts of BASIC programs easier to create and reduces the chance of error.
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(Send this program to your calculator first) To use this program, you'll need to make 2 changes to the LISTEXST program. First, RCL the code into your program, or go into the code editor for LISTEXST. Then, change the 2 places that say LIST with the name of your list.
That's it! Now, to use this program, if you didn't RCL it into your code, then enter the code prgmLISTEXST. Then, 1 is stored into A if the list DOESN'T exist, or 2 if it does exist. If the list doesn't exist, then a list with {1} is created.
This is version 1.1 of List Exist Check©.
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Versions
Versions
1.0 Initial public release.
1.1 Updated documentation, more compact program, and creates list if one doesn't already exist.
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I go by my user name for ticalc.org, ti-genius. I like programming in QBASIC, VBASIC .NET, C#, C++, HTML, Java, ti-BASIC, Assembly, and C. (lol)
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