Re: TI-H: New calc design

To: <ti-hardware@lists.ticalc.org>
Subject: Re: TI-H: New calc design
From: "SMC12" <scross@san.rr.com>
Date: Thu, 21 Aug 1997 20:28:49 -0700
Reply-To: ti-hardware@lists.ticalc.org

Okay, I was actually talking about a 680x0 for the 92 emulator.



>>Why not just write a TI-8x emulator for Windows CE?  Besides, instead of
>>using a 486, use a 680x0.  You won't have to emulate as much.
>
>The Z80 is an intel 8080 clone.  The intel chips can emulate the Z80 many
>times faster than a 680x0 chip.
>
>R
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>
>>Well, any high compression audio codec goes into the realm of floating
>>point.  I'm just trying to maximize the use of RAM on this system.  As for
>>the speakers, I think that the SAT's are the least of my worries.  A
system
>>this powerful would probably be banned anyway.  Since I've already stated
>>that I'm building a palmtop with calculator capabilities, I'm not too
>>concerned about this.  Besides, this will be expensive.  How many of us
want
>>to spend a lot of money on a calculator just for the SAT's?  I'm thinking
of
>>using my design once I'm out of school (June!  Woohoo!!!) for general
>>engineering purposes.  These systems do have a life span beyond high
school.
>>Christopher Kalos
>>raptorone@geocities.com
>>VirtuTech Developer's Group
>>AOL IM: Raptor1CK
>>
>>----------
>>From: Richard Piotter[SMTP:richfiles1@hotmail.com]
>>Sent: Saturday, March 07, 1998 2:31 PM
>>To: ti-hardware@lists.ticalc.org
>>Subject: RE: TI-H: New calc design
>>
>>
>>>how much?  I just need the CPU, really, but it's nice to know how
>>prices =
>>>have dropped recently.  Also, I might bump it down to a 386, but only =
>>>because I have a graveyard of them.  The problem is that I want an FPU,
>>=
>>>especially if I decide to do any audio decoding.  Apparently, MP3 uses
>>=
>>>floating point.
>>
>>If you're worried about MP3 and floating points and audio decoding, buy
>>a palmtop. I think a simple wave form generator and a cheap 8 or even a
>>16 bit DAC would be sufficient for audio. The DAC for digitized audio
>>and the Waveform generator for MIDI, music, beeps, crashes, explosions,
>>musical instruments, or whatever else there is. The sound would be
>>comparable to a Gameboy or a Commodore 128 (they had speech synthesis on
>>the Comodore!! You could even get an upgrade that did speech
>>recognition!!!) There's another note you may want to consider. Audio is
>>NOT allowed on SAT if I remember correctly. Make a header marked analog
>>out. Simply plug in a speaker when needed. That way, you can get away
>>with using it for SATs. Also, an N64 style joystick would be easy to
>>incorporate and make a decent pointing device. It would make the
>>graphing cursor easy to control and make games good. I'm not sure, but I
>>thought I remembered no touch pads or pen based devices are allowed
>>either! THe joystick would solve that, and be cool! Also, an FPU is
>>nice, a 486 is nice, but if you can use a smaller 386 for cheaper and
>>use less power, do it. Remember, we don't need multimedia or CD audio.
>>We're just looking for a calc that'll throw out fast 3D graphs, have a
>>nice GUI, do all the necessary functions, and run games faster than
>>daytona! (=
>>
>>Richard Piotter
>>richfiles1@hotmail.com
>>
>>The Richfiles TI Page
>>http://www.geocities.com/SiliconValley/Lakes/5081/Richfiles.html
>>
>>
>>______________________________________________________
>>Get Your Private, Free Email at http://www.hotmail.com
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