nesdev.org

okay, well I figured that this was the iNES header that I had to remove. However, now I'm wondering how to split the CHR and PRG file from the NES rom. After you remove the header from the NES file, ucon64 and readnes will no longer recognize the file, or they say that it has a bad header. All I did...

okay, that makes sense. my issue was that once I removed the header, both ucon64 and readnes would not recognize the file, saying that it had a bad header. On my NES rom file, this is what the header looks like in HXD: Left side: 4E 45 53 1A 04 01 41 00 00 00 00 00 00 00 00 00 And on the right side:...

thanks for the responses. I actually read through that thread yesterday to try and figure out what I was trying to get. However, I'm using HXD to edit my files. I'm not having any troubles with the copying and pasting, however, I'm just not sure why my file sizes are off. As tepples mentioned, the f...

Hi there, I'm still relatively new to this whole thing, but I am in the process of doing a repro of an SMB2J cart. There has been a ton of info on here for doing so and I think I have everything figured out except one little detail. I'm attempting to remove the header of the iNes file. I understand ...

Thanks alot for the fast reply! I have seen alot of EPROMs online, but wasn't sure if there were variations on them. I think I may try to use a RetroZone board first if it makes things easier. I was using this document: [ http://emu-docs.org/NES/Mappers/nesmapper.txt ] to try and match up all specif...

hello, this is actually my first post, although i've been reading through the forum for a little while now. i am going to be attempting some of my first cart repros, and i have a few basic questions. first of all, what is the best resource to get chips to use for installation on donor carts? will th...