Re: TI-H: NEW expander design

To: ti-hardware@lists.ticalc.org
Subject: Re: TI-H: NEW expander design
From: "Richard Piotter" <richfiles1@hotmail.com>
Date: Fri, 13 Feb 1998 15:20:39 PST
Reply-To: ti-hardware@lists.ticalc.org

I think I'm going to have to agree. It is modular, and it would have 
added features for those with playstations. It might be a bit bulkier 
than the EII or use more power, But it is cool! Now someone figure out 
N64 so I can do the same!!! (=

Richard Piotter
richfiles1@hotmail.com

>
>
>the point is that an expander useing playstation carts would be cool,
>and maybee even better than any other option. especialy if it has a 
port 
>from which to plug in and remove individual carts.
>
>>What's the point? The hardware only needs fine tuning. The TI-82 is 
the 
>>problem!!! I heard that the current shell doesn't have very godd 
>support 
>>for something and it makes accurate drivers difficult. The hardware 
>>doesn't need to be re invented. It's the driver that's taking so long. 
>>If you want to, go ahead and make the driver. It would be interesting 
>to 
>>see it made, but if it's time you're worring about, then it would be a 
>>waste of it to spend time o on a driver for something new, when one is 
>>being worked on now.
>>
>>>
>>>
>>>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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>
>
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