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Doing a supersaw lead on the spc700
http://forums.nesdev.com/viewtopic.php?f=12&t=16225
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Author:  psycopathicteen [ Thu Jul 20, 2017 8:22 pm ]
Post subject:  Re: Doing a supersaw lead on the spc700

I got the 65816 side done (it looks correct in a memory editor). Now I got to move it to the spc700 side to hear it. Boy, SNES programming is a lot of work.

EDIT:
Got it working!!!

Attachments:
super saw.zip [2.91 KiB]
Downloaded 25 times

Author:  psycopathicteen [ Sat Jul 22, 2017 4:15 pm ]
Post subject:  Re: Doing a supersaw lead on the spc700

Fixed a bug that caused it not to work in Higan and ZSNES. I always have the worst luck with SNES9x for some reason.

Attachments:
super saw.zip [2.91 KiB]
Downloaded 32 times

Author:  creaothceann [ Sun Jul 23, 2017 1:12 am ]
Post subject:  Re: Doing a supersaw lead on the spc700

Still 262,143 bytes.

Author:  psycopathicteen [ Tue Jul 25, 2017 6:02 pm ]
Post subject:  Re: Doing a supersaw lead on the spc700

Here's some Aquatic Ambience.

Attachments:
supersaw.zip [3.51 KiB]
Downloaded 27 times

Author:  psycopathicteen [ Wed Jul 26, 2017 8:49 am ]
Post subject:  Re: Doing a supersaw lead on the spc700

This one fixes a glitch caused by overlapping echo buffer. Oops! :mrgreen:

Attachments:
supersaw.zip [3.51 KiB]
Downloaded 21 times

Author:  Bregalad [ Thu Jul 27, 2017 2:49 am ]
Post subject:  Re: Doing a supersaw lead on the spc700

What exacly is a "super" saw ? Doesn't just two detuned normal saw emulate this (at the acceptable price of requiring 2 voices) ?

Author:  Nicole [ Thu Jul 27, 2017 4:31 am ]
Post subject:  Re: Doing a supersaw lead on the spc700

Bregalad wrote:
What exacly is a "super" saw ? Doesn't just two detuned normal saw emulate this (at the acceptable price of requiring 2 voices) ?

Apparently it's normally seven detuned sawtooth waves, not just two.

Author:  rainwarrior [ Thu Jul 27, 2017 9:10 am ]
Post subject:  Re: Doing a supersaw lead on the spc700

It was 7 in a specific implementation that made the name popular: https://en.wikipedia.org/wiki/Roland_JP ... e_Supersaw

I don't think there's anything inherently distinctive about exactly 7 though. I think pretty much 3 or more should qualify.

Author:  Bregalad [ Thu Jul 27, 2017 11:49 pm ]
Post subject:  Re: Doing a supersaw lead on the spc700

Honestly, it sounds like just recording the sample, converting to BRR and playing back is the best option. Sure it won't sound as crisp as the original, but nothing will on the SPC700 anyways. Doing that trick with filter 1 is just a particular case of this where you're recreating your sample in BRR format directly rather than converting it automatically. I don't think any method is supperior to the other - you should just try both and see which one makes a sound you like the most.

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