[Gc-linux-devel] Re: bit-banging memory card reader

[Masken <ma...@em...>]

Ali Campbell wrote:
> Hello there,
> 
> This is slightly off topic, because it does not relate directly to Linux 
> development, but I am attempting to build an external bit-banging device 
> to read and write gamecube memory cards, using an old 6502-based 
> microcomputer equipped with a very useful 6522 VIA.
> 
> It would be helpful for the purposes of testing the device to know what 
> would be an appropriate response to the 0x85 "read ID" command. I notice 
> from the Macronix 4004/05 datasheets that the Macronix manufacturer code 
> (the first byte of the two-byte response to an 0x85) is 0xC2 - does this 
> hold for the memory cards as well ?
> 
> Any other information that might be useful would be appreciated. I'm 
> doing most of my work with a nintendo original 59 block card. I'm aware 
> the cards are locked by default, but I think I may have found a way 
> round that.
> 
> many thanks.
> 
> Ali

Hello,

There's unlocking code in libogc, but since you bypass the exi bus, it 
might take some doing to make it work for you.

I've tried to find a list of card IDs, but have come up empty. If you 
find any, I'd appreciate if you let me know.

//Masken