Re: LZ: TI-ROM


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Re: LZ: TI-ROM



>>>Hello all
>>>
>>>I have been doing some disassembly of the TI85 ROM and have found a
lot
>>>of stuff.
>>>
>>>First of all the TI85 seems to have 6 11byte registers like the TI83.
>>>I have located the registers and a lot of functions (>30) which uses
>>>these registers. The registers are used to hold floating point values
>>>and the names and type of variables.
>>>
>>>The registers are located at 8082. And the functions are placed from
>>>1f00 to 3000. I have documented most of the functions, but not all
>>>yet.
>>>
>>>
>>>All the information has been send to rob taylor so he can included in
>>>ti-ram and ti-rom, but if any of you like to have a look at the
functions
>>>I can mail you the information.
>>
>> Is it the same for all versions of ROM?
>
>No the adresses of the functions is not the same in all rom versions.
>I do not have acces to more than one ti85, so i have only checked the
>functions on my 3.0A. My guess i sthat the differens between the rom 
>versions is only small, since the table at the end of the rom is only
>moved app. 8 bytes from version 3.0A to version 8.0 (according to
>TI-ROM),
>but that is just a guess.


Even ONE byte off is enough to give you a bad answer or lock up the
calculator, though...


Jason "Thursday" Wenger
jwenger@juno.com
Illegitimi no carborundum


References: