[A83] Re: DS Thread Extended onto this list

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[A83] Re: DS Thread Extended onto this list

" I tried to make a long and complicated story a little shorter. Sorry
if I
oversimplified matters."

I think you, like every other poster in that thread, lack a grasp for
what the original email said:

  v1.15 os is copyrighted by TI. The license to use it does not include
any
  rights to modify or distribute. Making available the routine to
"unlock
  flash" may contribute to infringement by others and would not be
viewed on
  favorably by TI. 

  We trust that now that this has been brought to your attention you
will
  not support or endorse copyright infringement behavior by your members
or
  staff.

Where in that statement did he even /mention/ an OS other than v1.15
from TI?

He proceeds then to quote from the forums calc83p saying:

  I have heard that Michael Vincent is writing his own os for the 83+. I
was
  wondering if this was true because I would like to edit, not rewrite,
the
  v1.15 os so that i can take out the finance app... Could you, Michael
  Vincent, help me with this?

And Michael responded with:

  I shall. I'm just waiting until I'm done with my OS, and then it will
be
  released.

SOOOOO... you, like every reader of the email, have grossly expanded old
Herb's objections to a "flash unlock" routine to: You can't make a new
OS. You must understand that placing a new OS /doesn't require editing
the old codebase/.

The relevant discussion is because a circumvention of the validation is
required (requiring no modified codebase, mind you).

Also, I would like to apologize: The validation requires 3 bytes, not 2.

--
Scott Dial
scott@scottdial.com
AIM GeekMug : ICQ# 3608935

-----Original Message-----
From: assembly-83-bounce@lists.ticalc.org
[mailto:assembly-83-bounce@lists.ticalc.org] On Behalf Of
robvanwijk@gmx.net
Sent: Friday, December 06, 2002 7:09 AM
To: assembly-83@lists.ticalc.org
Subject: [A83] Re: Color Calculators

> This is a grossly butchered version of the truth.

I tried to make a long and complicated story a little shorter. Sorry if
I
oversimplified matters.

> 1) The email TI sent us was in regards to telling the world how to
write
> to the flash with no modifications to the current OS.

The mail from that Herb Foster guy Michael posted referred to calc83p
suggesting a modification (taking finance out). As far as I understood
they didn't tell (and refuse to answer when asked) what they think
about Michael writing his own OS. Because the only way of installing
Michael's OS is telling everybody how to circumvent the OS validation,
the total project can't be completed, because an integral part of it is
not possible to do.

> 2) The circumvention requires no modification of any copyrighted
> material. But does require the copying of _two bytes_ of "copyrighted"
> data at a key location.

Wasn't it the Sega system that would only run a program if it had the
ascii-values of "SEGA" at some location? Sega lost that lawsuit, so I'd
expect those two bytes don't matter (unless it's a digital signature of
course, but then it wouldn't be just two bytes).

> So, TI said we could go to hell if we told anyone how to circumvent
the
> flash protection but didn't say anything about making an OS that
> validated properly.

For an OS to validate properly, the signature has to be correct, which
will happen in two cases: TI signs it (not gonna happen), or you forge
it (not gonna happen and illegal). Also, Michael isn't circumventing the
Flash protection, is he? I understood he worked around the validation.

> --
> Scott Dial
> scott@scottdial.com
> AIM GeekMug : ICQ# 3608935

Rob van Wijk

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