TI-H: NEW expander design


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TI-H: NEW expander design




I was getting a bit tired of waiting for expanders to finally get working for 
my 82 (no offense to anyone)  and so I looked around on the net for chips and 
such to use as an expander.  I think I have found a solution.  I found a paper 
describing the communication protocol and storage format for a Playstation 
memory card.  It uses a 3 pin interface, however I have designed an adapter 
that will convert it to two pins.  I just need help in writing a driver 
because I am not good a ASM programming.  I can try to whip up a circuit 
schematic in the next few days along with the protocol and storage format.  I 
am just looking for help on how to write a good driver program I already have 
a good idea in my mind what it needs to do.  Thank you all for your time.


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