Re: ROM dump legal?


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Re: ROM dump legal?



At 10:29 PM 2/5/98 -0500, Thomas J. Hruska wrote:
>Okay, what if I re-create all the useable CALLs and JPs to various routines
>in the ROMs on various calcs?  Since the structures of the various calcs'
>ROMs are known (locations of the calls and jumps) it shouldn't be too hard
>to re-write everything without requiring the use of the ROM at all since I
>myself have an 82 and I can use the ROM in that as a base for the
>re-creation of various routines.  You know, displaying pixels, writing text
>to the screen, etc.  I would only need one set of routines since the calcs
>are virtually the same (minus the TI-9x series but there shouldn't be much
>difference even then) in what ASM programs can call.  I just use a jump
>table stored on the hard drive for the different emulations.  In that case,
>I would only need one program to emulate all the calcs.  Now is this legal
>providing I design my own routines and leave TI's ROM alone or would TI
>think I was copying their ROM when in reality I wouldn't be?  What other
>problems could arise (programming or legal)?
>
>
>                 Thomas J. Hruska -- thruska@tir.com
>Shining Light Productions -- "Meeting the needs of fellow programmers"
>         http://www.geocities.com/SiliconValley/Heights/8504
>                    http://shinelight.home.ml.org

Only your own interpretations, no rom involvement whatsoever... as I said,
reverse engineering is the only legal way.  No encoded rom, nothing related
to the rom - just your own stuff.
 ----------------------------------------------
|               Joseph M. Gaffney              |
|    Efnet: rm-rf - gaffney@thethinker.com     |
|  http://www.thethinker.com/members/gaffney/  |
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