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FamiTracker > General > FamiTracker Talk > Hardware recordings (Updated 05/08/2014) Owner: jrlepage New post
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Posted: 2012-11-03 04:13 Reply | Quote
Xyz_39808

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#41624
I'm the joke. I just glanced at that nesdev thread. I honestly thought the cart just had one of these soldered right onto the board. Guess not.

Posted: 2012-11-03 04:20 Reply | Quote
jrlepage
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#41625
Ah ok. No, the 5B looks like this (click the left-hand image at the bottom and you'll see a square-shaped chip; that's the 5B).

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Posted: 2012-11-03 06:39 Reply | Quote
Im_a_Track_Man

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#41631
The "Gimmick!" cartridge is pretty... It's simple.

I heard (and doubt) that the 5B/A/FME-07 is slightly different than the MMC3 (Pinouts aside), but if it's true, I want to see if SMB3 can run with the Sunsoft, or vice versa.

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Posted: 2012-11-03 07:25  (Last Edited: 2012-11-03 07:26) Reply | Quote
B00daW

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#41633
Im_a_Track_Man:

The enthusiasm is appreciated. However:

FME-7 (@wiki.nesdev.com)
MMC3 (@wiki.nesdev.com)

These chips have been documented already.

A brief overview of these documents would show you that writing to the memory mapper register mapped to $8000 would have a different function between FME-7/5A/5B and MMC3. In short, if you swapped the chip and wired a FME-7 in a SMB3 cart for some pointless reason, SMB3 would call to $8000-$FFFF and the FME-7 would do goofy shit and the game may not even work.

You could say it was a circuit bending attempt. ;P

I'm going to go out on a limb here and say you want to know how hardware works and you have an interest in this field. From experience I'll let you know that it's a lonely journey and often there is not much help offered for someone who cannot help themselves.

Calling a cart/PCB simple and making a wild claim without research makes the author of the statement simpler than the statement or the stated design.

Posted: 2012-11-03 08:08  (Last Edited: 2012-11-03 08:10) Reply | Quote
Im_a_Track_Man

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#41643
B00daW wrote:
...the FME-7 would do goofy shit and the game may not even work.


I kind of suspected so...



B00daW wrote:
I'm going to go out on a limb here and say you want to know how hardware works and you have an interest in this field. From experience I'll let you know that it's a lonely journey and often there is not much help offered for someone who cannot help themselves.


Believe me, I am VERY interested in the inner workings of the hardware (I have a copy of Nintendo's Gameboy programming manual, but don't tell anyone ), and also know that it is a very lonely thing to do (but that's probably from my introvertedness).


B00daW wrote:
Calling a cart/PCB simple and making a wild claim without research makes the author of the statement simpler than the statement or the stated design.


Never said THAT, but I see where you're coming from... Going back to the earlier Sunsoft chip comparison, I found this (Which B00daW himself posted in). Apparently, a test someone performed (presumably a straight drop-in) confirmed the 5A having the imbedded YM present.

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Posted: 2012-11-03 08:40 Reply | Quote
rainwarrior

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#41666
MMC3 is similar to FME-7 in capabilities, but it'd still be tricky to port FME-7 games to MMC3 (especially if using the PRG-ROM bank at $6000-7FFF).

RetroUSB sells a reasonably priced Gimmick Repro if you want a hard copy of it.

Posted: 2013-01-17 21:28 Reply | Quote
za909

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#43597
I'd like to revive this thread for a request, that is if you have access to recording equipment now and have a few minutes to spare.
If not, actually I'd be fine with anyone recording this, even if it was just their TV with a camera.
2a03, and it uses those DPCM ramps to control the amplitude of the triangle. I'd really love to hear my attempt at making the clicks as unnoticable as I could on a console. I just basically lowered the pitch of the samples to the lowest value where they sound softer and don't have the high-pitched artifact from the low sample rate.


Attachments:
crystal2a03_tri.nsf (8 Kb)
Posted: 2013-01-17 22:34  (Last Edited: 2013-01-17 22:53) Reply | Quote
rainwarrior

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#43600
Sure I'll do that for you. Gimme a few minutes...

Edit: done.

https://dl.dropbox.com/u/883356/crystal2a03_tri.nsf.flac

I make no promises to do this for anyone else in the future, BTW, but you never know.

My own personal trick for DPCM ramps is to take advantage of the fact that the DPCM pitches are tuned to a partial scale, so I try to pitch the ramps so that they're sort of playing the same note as one of the other channels, and hide it in the attack of that note or something.

Posted: 2013-01-18 00:50  (Last Edited: 2013-01-18 00:51) Reply | Quote
za909

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#43603
Thanks, it sounds ok to me, but it's weird...the pops are not as loud as in famitracker, but the amplitude change isn't that deep either. But I guess it's probably different on every NES and Famicom. Actually I've just noticed that my Low volume sample had $55 bytes instead of clamping at botton with $FFs So now I could bring both samples down to pitch $0 and they are fairly easy to mask now ,especially my track has drums in it. However I can't use noise with volumes higher than 7-8, or I can't balance it as the DMC level changes)

Posted: 2013-05-02 06:13 Reply | Quote
jrlepage
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#47297
Excellent news! Jarhmander is done fixing the HFC3, and also managed to make "Project Faux 5B" work. All being well, within a few days I'll be able to resume the hardware recording service (although I can't promise I'll be as efficient as I was last year), and I'll be in a position to record 5B NSFs as well - though do bear in mind the volume balance might not be exactly what it would be on a genuine Gimmick! cartridge.

Keep an eye out for the post giving the green light to more requests in the very near future!

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Posted: 2013-05-03 23:35 Reply | Quote
jrlepage
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#47336
Update: I have the Famicom and HFC3 back! Send in your requests!

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Posted: 2013-05-03 23:47  (Last Edited: 2013-05-03 23:57) Reply | Quote
Im_a_Track_Man

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#47337


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Posted: 2013-05-03 23:48 Reply | Quote
Mr_Master



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#47338
Cool! I would like a short song to be recorded. Do I need to do something special to it or should I just post the NSF here?

Posted: 2013-05-03 23:53 Reply | Quote
jrlepage
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#47339
Yeah, just post an NSF. Read the guidelines in the first post for more info.

However I should warn you guys: I don't have an internet connection at home right now (well, I sort of to, but it's mobile broadband with very limited bandwidth), so what I'll do is record NSFs, throw the FLACs on a USB drive and upload everything at school.

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Posted: 2013-05-03 23:58  (Last Edited: 2013-05-03 23:59) Reply | Quote
Im_a_Track_Man

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#47340
I'll NSF you when I get home as well.

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