It's WILD. Whoever was bidding on that goodwill auction is going to be in an awful spot. It's buy that for over 250, plus tax, plus shipping, then ship to me or leonk or one of the euro dudes, then pay that fee, and shipping both ways, and they could have had a DS at that point.
Im guilty of this. I will fully admit that I paid $300 to get a cart with faster/more reliable shipping. I didn't even get the blue cart that I wanted, but compromised :p. This was after I didn't have luck with the SD cart, granted it was probably user error when I did find the super secret 1 way source to get the specific games and they finally played, but kept restarting and I returned it. I was in "Give me Neo Geo Now" mode and thus why I paid what I did.
Did I not send you a blue cart? I have maybe 3 spare blue shells and one or two yellow.
Someone did cart labels. I think they're in my thread? Real nice with holo and everything. Pay the shipping and I'll drop it off at UPS, no need to pay, it's just taking up space here anyway
Main thing im a bit worried about is people accidentally pulling one of those cables a little in the wrong direction is fairly likely to fuck up the pads since theres so little surface area.
The board will sit on top of the main PCB on standoffs kind of like the Cavewich. So once installed one time, there's really no reason to uninstall it, and no real way to mess with it unless you're shoving a screwdriver between the boards or something.
Here's the other gent who has brilliant ideas that I'd mentioned! I had the same luck with ghidra. I could not even find the manufacturer ID check for the flashroms with it.
Both excellent ideas. This has been a back burner project for a long time, and it'll still be a while until I have enough time to really put anything more into it since I'm setting up a whole new workshop, but at least the most basic of solutions will be out there and open source and if someone wants to be speedier than me about finishing it, they're more than welcome to fork it as long as they are also not intent on commercializing it.
I have some old notes somewhere from when i did https://github.com/buffis/cv1k_research/tree/main/U2_Replacement
Yeeeaaaahhhhhh! What, like 3 years now? lol
VERY much appreciated. Having seen your work there with the U2 replacement I knew it should be possible to find the RTC check as well, but Ghidra and I were not getting along (likely due to the amount of Godzilla stuff in the house). I did pull up some notes from other SH2/SH3 projects that got me part way there and could see SOME code, but nothing related to anything one would hope for.
So the 3 problems I was referring to were
Ramplings from a old .txt doc on my drive. Not very friendly but hey maybe it helps.
. I need 2. Messaged you the address too
)"At startup, the game decompresses and moves the U4 data to 0xc000000 - 0xd000000
Can be extracted with: save u4.dump,0xc000000,0x1000000 in mame
U4 rom needs to be 16bit word swapped otherwise.
Import file as SuperH4 big endian in Ghidra. In Options... change base address to 0c000000 or it wont work-
Open memory map, split executable section from data..
Mark first part R+X. Second part R+W.
Run analysis."