Re: TI-H: New calc design

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Re: TI-H: New calc design


>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


>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
>
>
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