[A83] Re: data sent to the black hole, and Iondetect for apps
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[A83] Re: data sent to the black hole, and Iondetect for apps
doesn't the 83+ keep ram defragmented at all times? you're probably
deleting the program highest in memory and thats why its not being
completely destroyed. I bet if you cleared ram, sent the level set first...
then sent the game second, that after deleting your level set the level set
would be completely gone.
brandon sterner
----- Original Message -----
From: "Dan Weiss" <dwedit@hotmail.com>
To: <assembly-83@lists.ticalc.org>
Sent: Monday, June 02, 2003 11:21 PM
Subject: [A83] data sent to the black hole, and Iondetect for apps
> I just discovered that when you delete a program on the TI83, the data
isn't
> erased at all. Only its entry in the VAT gets destroyed immediatly. As
> more memory is allocated, the old program data gets overwritten.
>
> So I'm testing Bubble Bobble out with external levels, and go then delete
> the level. When I went to resume the game using the old pointer to the
> levels, level 1 got junked up bad, but the rest of the levels were still
> perfectly intact! And this is AFTER deleting the map file.
>
> Maybe it would be possible to write a program recoverer, or (actually
> useful) maybe a scandisk type program something to correct bad VAT
enteries,
> like ones that point to ROM and freeze the calc when you delete them.
>
>
> A question: How do I modify ionDetect on the TI83+ to run from an app? I
> don't think you can use the unmodified ionDetect from an app since it
copies
> the detected program to the address pointed by ($9820) [tempmem].
>
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