RE: A92: Re: A86: Asm Questions that have been building up :)

To: "'assembly-92@lists.ticalc.org'" <assembly-92@lists.ticalc.org>
Subject: RE: A92: Re: A86: Asm Questions that have been building up :)
From: "Williams, Matt" <Williams.Matt@con-way.com>
Date: Wed, 25 Mar 1998 08:50:48 -0800
Delivered-To: assembly-92-outgoing@towerguard.unix.edu.sollentuna.se
Reply-To: assembly-92@lists.ticalc.org


I'd be very interested in as complete of a story as you can remember
about your discoveries on the TI calculators.

>----------
>From: 	David Ellsworth[SMTP:davidell@ix.netcom.com]
>Reply To: 	assembly-92@lists.ticalc.org
>Sent: 	Wednesday, March 25, 1998 4:17 AM
>To: 	assembly-86@lists.ticalc.org
>Cc: 	assembly-85@lists.ticalc.org; assembly-92@lists.ticalc.org
>Subject: 	A92: Re: A86: Asm Questions that have been building up :)
>
>
>At 01:21 AM 3/25/98 +0100, Jimmy Mårdell wrote:
>>At 10:18 1998-03-24 -0500, Dan Eble wrote:
>>>Also, don't forget David Boozer, who discovered how to hack the 85 custom
>>>menu to execute machine code.  Without him, Blackjack would still be the
>>>pinnacle of TI calculator game programming. :-)
>>
>>I still think someone should write the a story about TI-assembly
>>programming, from the early days when you were stuck with TI-Basic,
>>and lo! assembly was "discovered" :-) At least I would think that
>>could be a good story :-)
>
>I *would* be terribly curious to see what people were saying on the Calc-TI
>list around the time the original discovery was made (the list did exist
>back then, didn't it? Unfortunately, Deja News doesn't go back that far).
>It would also be quite interesting to hear the story from David Boozer's
>perspective. Does anyone know if David Boozer released anything about
>hacking the 85 before September 1, 1994 (the date in his text file)? Were
>other people trying to hack it besides him? Did he foreshadow it in any
>way, or did he just come out of the blue to release his text file?
>
>On the other hand, I could tell my story. I hacked the TI-85 myself, before
>I was on the Internet, before I knew there was an online "TI community" (in
>fact I knew only one other person who had a TI-85), and before I knew there
>was any such thing as ZShell. I did tell this story briefly in my "TI tips,
>tricks, and bugs" document, but there's plenty of room for elaboration.
>Would anybody be interested to hear this story in detail?
>
>I'd imagine that, if David Boozer hadn't hacked the 85 and publicized the
>info on how to do it, somebody else would have. Take me, for example. If
>nobody else had hacked the 85 by the time I got on the Internet and
>realized that there was an online TI community, I'd have released my info.
>
>In fact, I wonder if there actually are other people who independently
>discovered the 85's hidden ASM capability, later to find out that it had
>already been done. AFAIK, I'm the only one, but I'd be curious to know if
>there are others who just kept quiet (or told a small circle of people
>about it, who didn't circulate it elsewhere).
>
>While the discovery of the hidden asm capability of the TI-85 was a big
>step, it was not the only step. Thanks must also go to Dan Eble for having
>the idea to create a *shell* for running machine code programs. I didn't
>have this idea back when I hacked the 85; I never even took advantage of
>what I'd found to write games or anything. Back then I was only interested
>in reverse engineering it and getting a ROM dump.
>
>I've crossposted this to both A85 and A92 because:
> - it pertains to the TI-85
> - people who use Fargo might be curious about what I've done
>   on other TI graphing calculators.
>
>---
>David Ellsworth
>davidell@earthling.net
>IRC: eXocomp
>ICQ: 2300673
>