| Author | Comment |
Hawkeyep
Probe
Posted: 6 Oct 2005
19:08 GMT
Total Posts: 2 | Is there any way to save a application and prgms so that when all memory is wiped out it is saved. I need this so when my teach clears my calc i have games to play. |
missingno000
Probe
Posted: 6 Oct 2005
19:48 GMT
Total Posts: 1 | The only way is to hack the firmware and put it in the APPS menu, which is flagged in the firmware as not deletable -- i.e. it doesn't reside in RAM or ARC, which are the only 2 memory areas that can be wiped at all. |
Hawkeyep
Probe
Posted: 6 Oct 2005
19:51 GMT
Total Posts: 2 | But how do you hack the firmware or where do i go to find out |
Andy
Administrator
Posted: 6 Oct 2005
20:04 GMT
Total Posts: 939 | missingno000, I have nfi what you're talking about, but there's NO way to protect ANYTHING if the teacher does a full memory clear, short of actually backing it up to a computer or another calculator. |
jessef
Goliath
Posted: 6 Oct 2005
20:18 GMT
Total Posts: 192 | in the TIGCC docs for EM_write it says that the first word of each sector tells the AMS wehter that sector is in use, full or unused. It may be posible that if it was marked as inuse a sector would not be wiped for a mem erase. I could be totatly wrong though |
Lunchbox
Carrier
Posted: 6 Oct 2005
21:15 GMT
Total Posts: 2007 | I think what he means is overwrite part of the memory the OS resides in and store your program in their, which is, of course, not possible. |
alex10819
Wraith
Posted: 7 Oct 2005
17:27 GMT
Total Posts: 507 | well, theoretically, you could build an improbability drive and do it that way, so the sheer impossiblility of it would make it possible...
or, you could just keep the source code in your head... if its ASM, convert it to hex and memorize the hex codes for it... |
jessef
Goliath
Posted: 7 Oct 2005
17:49 GMT
Total Posts: 192 | scratch it into your calc case I don't think anyone can memorize enoughf numbers and letters to make any sort of useful ASM program. |
Lunchbox
Carrier
Posted: 8 Oct 2005
12:24 GMT
Total Posts: 2007 | You could type it out and print it. |
