We just got the real Xband modem to connect...

Former Xbanders on SNES or Genesis can get in touch with each other here. Also for people who wish to help with the Xband revival project.

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SEGA RPG FAN
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Re: We just got the real Xband modem to connect...

Postby SEGA RPG FAN » Tue Mar 28, 2017 9:07 am

I crave more details

rush6432
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Re: We just got the real Xband modem to connect...

Postby rush6432 » Sat Apr 01, 2017 7:49 am

That's nothing new. I've been able to get the genesis xband to do the same thing. it's just dumping info and waiting for the server to respond. no real modification is needed to make this happen other than a phone line simulator and a terminal on the other end.... banging a few obscure bytes to the xband via the console while it says it's connecting can get it to puke some taunt, and login info. I did this about 3 years ago.

if you can get it to actually send back data TO THE xband from the pc side, great your off to a stsrt, but you don't have any snes game patches or know the database structure in which it stores the patch data or calls to it to manipulate it. so have fun with that part. someone MIGHT Have dumped sram with Mario kart I believe but you'll be diving into that via hex editor finding the patch specific data and profile data

Terminal settings are 2400 baud 8N1

rush6432
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Re: We just got the real Xband modem to connect...

Postby rush6432 » Sun Apr 02, 2017 11:19 am

So... i did something VERY similar back in the day btw. I used a phone line simulator with one end into the xband the other end into a phone cord that connected to an rj11 to rs232 serial adapter that plugged into a serial port on my pc. I set the baud rate to 2400 8N1 and was able to see the same stuff you saw on the snes xband dumped out in plain text (with other garbage) onto the terminal..

Xiden
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Re: We just got the real Xband modem to connect...

Postby Xiden » Sun Apr 02, 2017 9:15 pm

Hmmm. Really wish we could figure out how to get the japanese saturn xband modem to direct dial. Have you tried dumping data from tge japanese modem?

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Warp2063
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Re: We just got the real Xband modem to connect...

Postby Warp2063 » Mon Apr 03, 2017 8:30 pm

Dumping the XBAND SRAM is easy enough. Dumping an XBAND ROM is weird. If the Japanese version is anything like the US one, it probably has a custom chip in there. (In the US, it was the FRED chip.) FRED acted as a major control chip, pulling data from the cartridge ROM, its own ROM, and the SRAM on the cart, and patching it all together on the fly. I did a bunch of experimental dumps with a passive dumper some years back, but what came out was weird. I don't remember whether I was actually able to get into much of the actual XBAND ROM.
Don't currently have access to my Saturn hardware, but I still have the craving.

rush6432
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Re: We just got the real Xband modem to connect...

Postby rush6432 » Wed Apr 05, 2017 10:46 pm

Xiden wrote:Hmmm. Really wish we could figure out how to get the japanese saturn xband modem to direct dial. Have you tried dumping data from tge japanese modem?



So if its anything like the snes/genesis version it most likely needs a "dial script" to be obtained from the xband server so it knows what number to dial, and their username and a few other things.

BrAlZy
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Re: We just got the real Xband modem to connect...

Postby BrAlZy » Wed Apr 12, 2017 4:39 pm

Very interesting. Looks like the use of a true land-line phone on the first generation XBAND modems is no longer required. Now all we need is a server so matches can be made, correct? Obviously that's easier said than done, however I would say the fact that the XBAND modem has been faked out into making a connection is the biggest step of progress since the original service shutdown.

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Re: We just got the real Xband modem to connect...

Postby Warp2063 » Sat Apr 15, 2017 3:31 am

The US XBAND modems, from what we've learned, spit out a bunch of data right after connecting to what it believes is the server. We've seen some hints so far that the Japanese XBAND may be very similar, if not the same as the US Genesis and SNES XBANDs when it comes to communicating with the server, but we can't say for sure. We've got a good way to go until we can reproduce that server, but we're working on it!
Don't currently have access to my Saturn hardware, but I still have the craving.


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