> > Okay, please tell me how to emulate Sega 315-6347A ASIC, that used on Mario Kart GP/2 flash carts ?
>
> I don't know, but I'd start with emulating the SH4 on the media board.
>
I dont think this is good idea.
Triforce type1/2 media board just contain ALTERA FPGA, 2Mb flash chip (IPL?) and connected to (regular?) Sega DIMM board. so at first must be emulated DIMM with SH4 and then RE how ALTERA emulate Drive Interface commands and scrambles it. All this looks too complicated.
much interesting looks type3 - it combines functions of DIMM board and media board, and contains only one huge chip - mentioned earlier Sega's ASIC.
thanks to great work done by tmbinc we know Segaboot uploads encrypted firmware to that ASIC and have brute-forced DES-key.
I've extracted firmware.asic file and decrypted it - it looks like code for some CPU, but I cant identify for what CPU-type it is (
if anyone can/want help with this - PM me.
> How can I be wrong when I said the media board contained iso's?
oh, sorry, I probably missunderstood you.
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[Triforce] Mario Kart GP2 on Dolphin
