nesdev.com

I'd like to learn efficient techniques (if any) for disassembling NES-stuff. Running the code through a disassembler can anyone do but understanding and documenting it later, well, it's a different story. I have a theory of working "backwards" here. Running the game and then analyze each memorylocat...

Now for something a little off the off topic. This post got me thinking about sharing how I do it. I just started Mike Tyson's Punchout. I'm still getting the disassembly to a point where I can work on it. I haven't really started any of the reverse engineering. Would it be interesting to people if...

I meant more like, how did you disassemble the entire game and figure out everything?

DirtyMcDingus wrote: ↑

Sat Jul 25, 2020 5:40 pm

I just finished a complete disassembly of Dragon Warrior 1 (https://github.com/nmikstas/dragon-warrior-disassembly).

Perhaps slightly off-topic but how did your workflow look like when you did this?

I'd rather have seen some NES sourcecode, that'd been nice.

The closest NES source-stuff in these archives I guess are Super Mario AllStars.

The ROMs doesn't seemed to be saved in .NES format (not very surprising..) or come with proper filenames so I guess it'll require some detective-work to figure out what's what. EDIT: Files seems to be split in PRG and CHR's. Filenames seems to be related to developer and game-name (initials). Obviou...

Sorry if I spoked ya'. Many people are probably not very happy about this kind of stuff. Myself I find it fascinating what people can dig up through these old sources. There are plenty of articles about what people have found..

Seen this? Pretty exciting stuff.
https://hothardware.com/news/massive-nintendo-gigaleak

Slightly reminds me of one of my favourite NES games, "The Goonies II".
I think it looks promising. I however might not be a big fan of the brown areas (the walls/ground).
Keep it up.

I just used it for testing, I think the NSF import is really cool, I didn't bother about possible sideffects. :) And yes that song is awesome. :) So I am back at square 0 again, FamiTone2 obviously doesn't support all features so there's no point in using that for my possible future NES-stuff. :( ED...

I attach an NSF from "RcProAm", the titletrack sounds slightly strange in the beginning atleast when saved as FamiTone2 and playback using that code..
This is how it should sound:
https://www.youtube.com/watch?v=zDQ7XfONoYc

I suspect there might be something off with the FamiTone2 export-functionality? I've been in contact with the FamiTone2-guy and there doesn't seem to be any obvious problems with my code.

Got it running, NMI was causing problems. But the music doesn't sound as it sounds in FamiStudio (or exported as a NES-ROM) so there's still something wrong. I attach a new example if anyone's interested.

I found some FamiTone2 example I experimented with but I can't get it to play anything. I got the example code from https://shiru.untergrund.net/code.shtml and I stripped the example from just about everything but the music-code but I'm probably doing something wrong. I'm using ASM6. Anyone see anyt...

I'm interested in a replayer that's easy to implement and use. :) As a former demo-coder (sort of anyway) on the Commodore Amiga platform and I'd like to try to code some stuff on the NES aswell. On the Amiga we just included a replayer and play our music but on the NES, well, things are a little bi...