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I did not read this info from this thread. This statement was made in a youtube comment by someone.

"FYI if you take two bin files (post byte swap) and merge them into one bin file and write it,...

Jazz you ever do multi carts? I read simply pasting the code of a game on the end of another allows you to have 2 games that will toggle via reset. So as using 2 1MB games to make 1 multi 2MB game. I...

I test all my games on a tmss model 1. You are correct the checksum was bad. I must have missed that. I generally fix them all.

Here is a fixed checksum.

51121

I can do that, I have got plenty of files from this site. How do you upload it and make sure people know it is a region bypassed version? Here it is, if someone wants it.

51117

Yes I just came to the conclusion that PS4 and similar donors must just access save data from different locations within the rom and that is why they are not compatible for saving. As far as Cotton...

Ok so I grabbed a "normal" board and did some pin traces and found out what the problem is. On my Cotton game pins 10(rom 2) and 11(rom1) or "E" was not right. On rom 1 pin 11 went to pin 8 on the...

Welcome to my world. I have not got a dual rom donor to work yet. I tried using just bottom rom and I was using a 27c160 chip and nothing. Now I am trying to split a rom Panorama cotton. I split it...

Just wanted to point out and I can't remember which game it is but PCB P/N 670127 REV 1 does not work for reproductions. I have tried 3 different chips and multiple games on 2 different boards. I use...

So I just tried to make Gley lancer and I am 90 % sure the problem has to do with the region somehow. I downloaded a japan rom and then patched the file to english translation. This is apparently a...

I'm not arguing anything and while I have been registered here for 3 years I have not actually been here. I registered here 3 years ago to get a dream cast iso. Until my post in this thread a few...

Ok. I didn't see it as a multiple post as they were posted days apart. I didn't realize if you were the last to post you were expected to just edit your last post instead of posting a new post. Kind...

I made 2 post and both got deleted??? Seriously what is the problem?

I have a physical pcb in my hand of NFL Football '94 starring Joe Montana and it has a battery on it.

Just got around to playing some of this MM WW and I'm not liking this version. It has major...

I wanted to make an adjustment to your donor cart list of battery save.

Joe Montana Sports talk football is not correct, that game does not have save battery.

NFL Football '94 starring Joe...

So I think the problem with the rom I had was it was "E". I got a hex editor and edited it to a "U" but I know nothing of hex editing and was just following a forum guide I found. After I saved it,...

I actually just tried putting MM WW on a cart and it didn't work. I did toss it in my tester board that has battery save so that could be the problem. I will make another tester board w/out battery...

It's cool, I just thought I was being ignored lol. It shouldn't be just you helping out. Regardless I successfully got Truxton, Musha, and today just made Crusader of Centry. I think I might grab a...

Well I am only updating not because anybody assisted in my problem but for the people who may have the same problem as I did and are struggling. The problem appears to have been not using an external...

Hi, I am new to genesis repros. This is my first time trying. I have a GQ-4X True usb. I have an ADP-054 adapter. I am using a m27c160 eprom as it is what I have. I am trying to do Truxton it is...