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Author Topic: RAM used by OS on 84+ 2.53  (Read 4040 times)

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Offline Hot_Dog

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RAM used by OS on 84+ 2.53
« on: October 01, 2011, 01:18:41 pm »
I found a page on WikiTI that described what areas of RAM (on RAM page $83) were used for MathPrint and other stuff.  I don't remember where that wikiti article is now, can someone post a link?
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Offline thepenguin77

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Re: RAM used by OS on 84+ 2.53
« Reply #1 on: October 01, 2011, 01:35:14 pm »
Calculator Documentation>83+ Family>General OS Information>Version Differences>OS 2.53 MP Changes

It's a bit out of the way, but that's where it's at. If you search 2.53, you might have a 1 in 10 chance of finding it ;D (Sadly, that's not even sarcasm)
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Offline Hot_Dog

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Re: RAM used by OS on 84+ 2.53
« Reply #2 on: October 01, 2011, 02:02:18 pm »
Quote from: thepenguin77 on October 01, 2011, 01:35:14 pm
Calculator Documentation>83+ Family>General OS Information>Version Differences>OS 2.53 MP Changes

It's a bit out of the way, but that's where it's at. If you search 2.53, you might have a 1 in 10 chance of finding it ;D (Sadly, that's not even sarcasm)

If a user is in classic mode rather than MathPrint mode, is the RAM from 977Eh–9D7Dh free to corrupt?
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Offline thepenguin77

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Re: RAM used by OS on 84+ 2.53
« Reply #3 on: October 01, 2011, 02:03:55 pm »
No, only 9A7Eh–9D7Dh is safe. The OS still stores the entries there.

On another note, the entries menu is small enough that you can just throw it in saveSScreen, and replace it when you are done. (That's what I do.)
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Offline calc84maniac

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Re: RAM used by OS on 84+ 2.53
« Reply #4 on: October 01, 2011, 02:05:14 pm »
Quote from: Hot_Dog on October 01, 2011, 02:02:18 pm
Quote from: thepenguin77 on October 01, 2011, 01:35:14 pm
Calculator Documentation>83+ Family>General OS Information>Version Differences>OS 2.53 MP Changes

It's a bit out of the way, but that's where it's at. If you search 2.53, you might have a 1 in 10 chance of finding it ;D (Sadly, that's not even sarcasm)

If a user is in classic mode rather than MathPrint mode, is the RAM from 977Eh–9D7Dh free to corrupt?

I don't think so, since even in Classic mode it stores the last entries there (somebody feel free to correct me if I'm wrong). Well, at any rate you can trash the last 768 bytes in either mode, as long as you zero that buffer before exit.

Edit: SUPAH NINJA
« Last Edit: October 01, 2011, 02:05:41 pm by calc84maniac »
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