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Author Topic: RAM area 8000h-8100h  (Read 3786 times)

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Offline Hot_Dog

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RAM area 8000h-8100h
« on: December 13, 2010, 04:02:11 pm »
I read that the area called appData (starting at $8000) is used during garbage collection.  Is there anything else the area is used for, or is it safe to use if variables are not archived/unarchived?
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Offline calcdude84se

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Re: RAM area 8000h-8100h
« Reply #1 on: December 13, 2010, 06:52:59 pm »
To my knowledge it is safe to use otherwise. thepenguin or Floppus will have to back me up on that, though :D
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Offline Iambian

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Re: RAM area 8000h-8100h
« Reply #2 on: December 13, 2010, 08:15:40 pm »
This RAM area (or around this RAM area) is used for archiving, as well. Anything that has to deal with unlocking Flash and dealing with it in some strange manner. Not sure what else this area is used for.

It might've been $8100...
« Last Edit: December 13, 2010, 08:16:09 pm by Iambian »
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Offline ztrumpet

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Re: RAM area 8000h-8100h
« Reply #3 on: December 13, 2010, 08:38:07 pm »
Quote from: Iambian on December 13, 2010, 08:15:40 pm
This RAM area (or around this RAM area) is used for archiving, as well. Anything that has to deal with unlocking Flash and dealing with it in some strange manner. Not sure what else this area is used for.
The tempSwapArea is 323 bytes located at 82A5h and is used for archiving/unarchiving. :)
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Offline FloppusMaximus

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Re: RAM area 8000h-8100h
« Reply #4 on: December 13, 2010, 10:05:38 pm »
The appData area is also used for ONSCRPT/OFFSCRPT, so it may be overwritten when APD occurs.
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Offline Hot_Dog

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Re: RAM area 8000h-8100h
« Reply #5 on: December 13, 2010, 10:15:46 pm »
Quote from: FloppusMaximus on December 13, 2010, 10:05:38 pm
The appData area is also used for ONSCRPT/OFFSCRPT, so it may be overwritten when APD occurs.

Huh, I'll have to be on the lookout for that one
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