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Re: Z80 based wearable

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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