Re: TI-H: Expanders?
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Re: TI-H: Expanders?
btw, who WOULD accept an idea that dumb AND impractical anyway?
But seriously, that's more work that just starting over, Grant... and it's
accepted, not excepted. just being a pain in your @$$...
CK
Mel Tsai wrote:
> >>I will be building (and selling) Expander IIs in a few weeks. Bryan
> >>Rittmeyer will be selling chips for them if you want o build your own. They
> >>work with the TI-92 right now, and should work with the TI-86 in a few
> >>weeks. For more info, please e-mail me privately.
> >
> >Just like the EII was supposed to be out in a few weeks in february... ;)
> >
> >>And yes, there is an expander (developed by Mel Tsai) that is already out
> >>there, but the source of memory chips dried up, so you can't really build
> >>one.
> >
> >You can build it, but both Bryan and Mel don't like the idea. Its called
> >'Grants Not excepted Idea because its dumb and impracticle' expander.
> >Thats GNEIBIDAI Expander. Its an AVR that emulates the ESF chip.
>
> The AVR simply isn't fast enough to do that, grant. Can the AVR
> intelligibly respond to clock transitions every 1 microsecond? Nope,
> not unless it was 50MHz. The only way would be to slow the driver
> down by a LOT.
>
> -Mel
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