Re: TI-H: RAM expansion (sort of)


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Re: TI-H: RAM expansion (sort of)




What's it called?  I'll add it to the list.
-LC

On Thu, 13 Aug 1998 07:55:45 PDT "Matt Butch" <mjb25@hotmail.com> writes:
>
>Has anyone seen the RAM/IO expander on Mel's website, the one with the 
>
>74LSXXX TTL logic IC's??  Well last night I got the parts need to make 
>
>it(plus some Z80s!!) and am going to breadboard it tonight(with some 
>modifications).  I also have to make the driver software, but that 
>will 
>be easy.  I;m going to use 3 32KBx8 Static RAM chips(That's 96KB of 
>RAM, 
>plus the 28K already on the 85!! Whoohoo!!!).  Next I'm going to make 
>an 
>(E)EPROM program for it so that I can burn them w/o getting an $150 
>programmer.  For those interested, here's the address to the page:
>http://www.egr.msu.edu/~tsaimelv/download.htm
>download the zip file exp_old.zip.  It has all the info needed.
>
>
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