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Re: Z80 based wearable

Eric, 

You should look into the Patriot Scientific PSC1000 processor.
It is a low cost chip that supports asm, c, forth, and java. 
Interestingly, the stack based machine looks just like a java
virtual machine, only the opcodes are different. They have 
a bytecode translator that allows java to run natively. 
www.ptsc.com

Doug

On Mon, 01 May 2000, Eric Laforest wrote:
> On Mon, May 01, 2000 at 11:31:27AM +0900,  thus spake:
> > At 00:01 1/05/00 +0100, you wrote:
> > >Looking around slashdot, the PSX (Sony PlayStation) documentation project is
> > >available. It includes major details on interfacing to the memory cards.
> > >Programs for our Z80 won't take up that much space, so how about PSX memory
> > >card compatibility? BTW, it's 128k of nvram, available in the UK for about
> > >£5 - bugger all.
> > >
> > >Alex
> > >
> > 
> > Hmmmm interesting idea Alex, but that's too much for too little, also the
> > PSX mem cards are addressed in 128K pages so even a 120 block card would
> > only give you 128K of contiguous memory, I think most of us would be better
> > off with Compact Flash or Smart Media.
> > 
> > Jorn
> > http://wearable.8k.com
> > Wearable Computers Australia Resource Site
> 
> For what I want to do (Forth machine wearable), 128k is a lot of mass-storage
> and an evening spent on google/altavista has yielded zip info on how to
> interface to commercial flash cards.
> Also, flash storage is <censored> expensive.
> Besides, combined with a little RAM, one could turn a card into paged
> memory a la Expanded Memory as in PCs.
> 
> Eric LaForest 
> 
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