Search found 72 matches

by elseyf
Thu Dec 01, 2016 8:16 am
Forum: SNESdev
Topic: Questions on SNES APU Hardware
Replies: 13
Views: 4428

Re: Questions on SNES APU Hardware

@TmEE I came to the same conclusion, but I thought there was a kind of workaround to get to the SMP data easier. I guess recreating the APU on the FPGA might be the way to go in order to get savestates fully working. @defparam I remember seeing your project some time ago, nice work so far. I guess y...
by elseyf
Wed Nov 30, 2016 5:12 pm
Forum: SNESdev
Topic: Questions on SNES APU Hardware
Replies: 13
Views: 4428

Questions on SNES APU Hardware

I figured this may be the right forum to post in: The goal is to get "real" save states working on SNES Hardware (as a feature of my current project) and I cannot figure out a way to know the state of the APU (Memory content and registers) when it is running any uploaded software. I use an FPGA in t...
by elseyf
Fri Feb 19, 2016 1:46 pm
Forum: SNESdev
Topic: What games use non-battery packed ram?
Replies: 6
Views: 2462

Re: What games use non-battery packed ram?

I do not know if they specifically support non-backed ram, but does it even matter? You could (if they do really not suppot it) just use battery backed RAM in the Header, and always assume it does not contain valid data on powerup (always initializing it in Reset routine or something similar). http:...
by elseyf
Fri Feb 19, 2016 12:22 pm
Forum: SNESdev
Topic: What games use non-battery packed ram?
Replies: 6
Views: 2462

Re: What games use non-battery packed ram?

As far as I can tell there is no such game to use non-battery backed SRAM in a cartridge if there is no external coprocessor like Super FX. Games that come to my mind are Super Street fighter alpha 2, star fox, doom, some power Ranger game that uses SA-1. There probably are more with a coprocessor t...
by elseyf
Fri Jan 01, 2016 12:39 pm
Forum: SNESdev
Topic: Checksum Craziness
Replies: 20
Views: 13584

Re: Checksum Craziness

Thanks. Do you plan on putting the source code under a free software or open source license? If you need help choosing one, the GNU project has an article about Apache, LGPL, and GPL . Thanks for the suggestion. After reading the article a bit, the APACHE License seemed appropriate. I actually neve...
by elseyf
Fri Jan 01, 2016 7:11 am
Forum: SNESdev
Topic: Checksum Craziness
Replies: 20
Views: 13584

Re: Checksum Craziness

Is it possible to distribute this as a standalone executable? I tried making a SNES checksum fixer in C++ a while ago that I could use as part of the tool chain when assembling (ucon64 is a bit much for this indeed), but I ran into some weird problems I couldn't figure out and put it on hold. Here ...
by elseyf
Sat Nov 30, 2013 4:24 am
Forum: Newbie Help Center
Topic: [Q] How to Reset the NES from the Cartridge Connector
Replies: 4
Views: 1996

Re: [Q] How to Reset the NES from the Cartridge Connector

Naaah, too bad there is no Reset Option triggerable from the Cart Connector... I had a funny project in mind, which would have used at least the Soft-Reset (pressing the Reset button) through Cartridge Connector for simplifying the program which i would have used. Now to the "going manually to the r...
by elseyf
Fri Nov 29, 2013 11:01 am
Forum: Newbie Help Center
Topic: [Q] How to Reset the NES from the Cartridge Connector
Replies: 4
Views: 1996

[Q] How to Reset the NES from the Cartridge Connector

As the title suggests, I would like to know how I can reset the NES without the need to hit the RESET Button. I could only find out that the SNES has a RESET Line on the connector which is possibly used to reset the console with a signal from a Cartridge. I think in the MultiCart projects of the mem...
by elseyf
Tue Jul 30, 2013 5:59 am
Forum: Reproduction
Topic: Help needed: Rockman 6-in-1 multicart hardware
Replies: 229
Views: 114151

Re: Help needed: Rockman 6-in-1 multicart hardware

FARID wrote:@ infidelity
Well done, thank you!
Now it is possible to make the Ninja Gaiden Trilogy multicart!
Also thank you for the tips, that is really awesome.
Keep up the good work.
that would be awesome :D
you could do it like on the SNES and put in some pictures if it is not too hard :D
by elseyf
Thu Jun 27, 2013 2:40 pm
Forum: NES Hardware and Flash Equipment
Topic: Connect AY-3-8910 sound chip to FME-7 board
Replies: 126
Views: 90238

Re: Connect AY-3-8910 sound chip to FME-7 board

The pitches should be wrong, in the sense of what you get if you try playing the japanese ROM in an emulator set to PAL. If you're not getting any audio at all, that's not what's wrong. The 50 Hz buzz should sound like a pitch, not a clicking. something like this: 50hz-impulse-train.mp3 The sound a...
by elseyf
Thu Jun 27, 2013 1:45 pm
Forum: NES Hardware and Flash Equipment
Topic: Selling a PowerPak?
Replies: 22
Views: 7216

Re: Selling a PowerPak?

I would also go for it if price was less than what you want. Shipping should not be too much, around 5-7€ from GB to Germany i think. And indeed, it would ease up the process of testing my hacks on actual console, than having to set up my old laptop to burn tge eprom, what takes a long time than jus...
by elseyf
Thu Jun 27, 2013 12:02 pm
Forum: NES Hardware and Flash Equipment
Topic: Selling a PowerPak?
Replies: 22
Views: 7216

Re: Selling a PowerPak?

Out of curiosity, what would you want for your power pak?
by elseyf
Thu Jun 27, 2013 11:27 am
Forum: NES Hardware and Flash Equipment
Topic: Connect AY-3-8910 sound chip to FME-7 board
Replies: 126
Views: 90238

Re: Connect AY-3-8910 sound chip to FME-7 board

So is it normal that there is no sound coming out of the AY-3 8910 because of these tuning tables?
Or, as i have understood, there should be the music playing back, but some channels out of sync which would be the channels coming out of the AY-3-8910?
by elseyf
Thu Jun 27, 2013 10:46 am
Forum: NES Hardware and Flash Equipment
Topic: Connect AY-3-8910 sound chip to FME-7 board
Replies: 126
Views: 90238

Re: Connect AY-3-8910 sound chip to FME-7 board

I tried my dump on an acurate emulator (fceux and nestopia) and i listened to the music and it seemed to me like it plays it just as it should, but slower because of the clock frequence. I also thought of something like the game's music would not playback correctly on pal, but after the test i thoug...