Re: - TI82Filez.sit [00/01] Assembler on TI 82 ??!!


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Re: - TI82Filez.sit [00/01] Assembler on TI 82 ??!!



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Bendzick wrote:
>
> Renaud Deraison wrote:
> >
> > Heya,
> >
> > I know that TI-82 is getting old, but this item may interest some of you...
> > I 've put in the variable Y1 the variable X, and while executing a program
> > which contained one of the following instructions (see the list below),
> > and break it while the curve was drawn, here is what happended :
> >
> >
> > -------------------------------------------------------------
> > Instruction :                                |  What does the calculator
> > displays
> > -------------------------------------------------------------
> > Shade(1,2,7                                  |           "Memory cleared",
> > but in fact it's still full.
> > Shade(1,2,6                                  |            - Displays weird
> > characters. YOu can write anything, it'll
> >
> > |            write "Done".
> >
> > |              - When you type "P" and push the right arrow, the screen
> > is
> >
> > |                  badly messed up. Just try !
> > Shade(1,2,4                                  |        - When you write " "
> > (square root), the message "Memory
> >                                                                |
> > Cleared" appears, and when pushing the arrows, the screen is
> >                                                                |
> > also BADLY messed up. Just try :
> >                                                                |
> > prgm/exec and have a llok at the strange characters that
> >
> >                                                                |
> > appear !!
> > -------------------------------------------------------------
> >
> > When you do the "last entry" command, before typing anything, ROM sems to
> > be displayed roughly.
> >
> > So, my question is : if ROM can be displayed, maybe raw hexadecimal can be
> > sent to the TI82 (maybe stored in the Y1 variable) and executed as machine
> > code.
> >
> > What do you think of that ? Maybe it could be possible to execute ZShells
> > programms after modification ?
> >
> > --
> >
> > -- DHEA
> Could you post the program that you were running at the time of the
> things, and if possible a mem backup from you calculator and the rom
> number?
I tried Shade(1,2,6 on Rom ver 18.0 and when I breaked it locked the
calc up.  Took batteries out, then tried again and got odd characters,
some corresponding to the name of the program I used, another part was
Shade(1,2,6, but there was also stuff like o, weird looking o's, h's,
greek symbols, and more.  This is indeed interesting.  Then pressed
[CLEAR] and the calc wouldn't turn on without taking batteries out.
Attached is an example of the weird stuff displayed.
-Calcbert


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