[Suggestion] Soundchip Suggestions #873
Replies: 27 comments 35 replies
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Planned for 0.6 |
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Jerry is a RISC processor. It's not really a fixed-function sound
generator. Essentially, you'd have to write your own software mixer for the
Jaguar, like you'd have to do for the 32X.
…On Fri, Apr 22, 2022, 2:38 PM AmigaX ***@***.***> wrote:
YM2203 (OPN)
Jerry (Atari Jaguar)
TED (7360 / 8360) (Commodore 16, Commodore Plus/4)
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YM2203 is essentially a subset of YM2608, so the only chip worth considering is TED: 2ch, the first channel produced a square wave and the second could produce either a square wave or white noise. |
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More suggestions from AmigaX: YM21280 (OPS) (6 operator FM chip with 16 channels) |
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Impossible.
It's not 4-op and 20ch, but check the PRs 😉
Planned, check the TODO.md
Invalid - exists already, and is a default when opening a blank Mega Drive module. To enable 2612 behaviour, Enable DAC Distortion flag must be enabled in a chip config menu. |
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Why would the 21280 be impossible? That's the dx7 soundchip isn't it? I think ymfm has a dx7/ym21280 core not to mention there are a couple of dx7 vsts out there like Dexed and I think an arturia one as well and they're both considered pretty accurate tot the real hardware, I highly doubt given how popular it is that the chip hasn't been analyzed and reverse engineered enough to make an at least somewhat decent emulation of it for furnace, maybe it would be hard to make it 100% accurate but I doubt most people other than hardcore audiophiles would be able to tell the difference if it wasn't completely accurate as long as it's close enough (tm) so 🤷♂️ |
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the total of 32 algorithms is the obstacle |
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It's not the algorithms, it's the fact that it's a monotimbral synth. Lots of other issues too. The fact of the matter is that if it ever is to be implemented, users will be very disappointed by the limitations that cant be taken out |
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oh yeah the monotimbral issue... |
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Irrelevant.
I don't know what are you talking about, as it doesn't.
Great, please use them for DX7 music creation The biggest problem with OPS, is, aside being just an FM logic chip and requiring EGS envelope generator is that IT IS MONOTIMBRIAL. All 16 channels produced by DX7 can only play the same instrument, and it is a hardware limitation, not a software one. Think of YM2413 OPLL, but you don't have the built-in presets you can freely use. Emulation would not be an issue there, even if licence-compatible DX7 emu core would exist, that is. |
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Not sure if there's any emulation available for this, but what about Dave from the Enterprise 64/128 computers. It seems somewhat similar to the SN76489, but it also has filters, ring modulation and "distortion" apparently. It seems like it'd be a neat chip to have in Furnace, but admittedly, I don't know too much about it myself. |
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Regarding the Dave chip from the Enterprise 64/128, it seems that the chip also has soft panning and (possibly) some kind of hardware volume and pitch macros, all according to Wikipedia. An emulator for the computer can be found linked and described on this website. This demo shows off some of the basic sound capabilities as well as the soft panning. This demo seems to suggest some comparability with ZX spectrum engines; although, don't quote me on that. If nothing else, this is a nearly one-to-one port of a ZX spectrum demo. Here's the original for comparison. This demo seems to have some of the aforementioned distortion, sounding similar to an Atari 2600 or POKEY, but I'm having a hard time telling what might be software based and what is a hardware feature. Here's yet another demo. The poster seems to confirm that the computer does have ring modulation and filters. However, I think the "filters" might be more like the Atari POKEY's filters than the C64's filters, but that is just speculation on my part. Not as related, but the computer is also capable of software samples similar to the Atari 8-bit: https://youtu.be/MOPnCRmnBuo A better demo of the soundchip capabilities: https://youtu.be/X2j67CLd6Nc Ok... One last demo. This one also better utilizes the hardware |
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I don't see any hardware volume and pitch macros, but the chip seems interesting enough. Filters are obviously fake, simple state variable circuits that remember the last output. Although DAC mode and stereo panning make up for the bad, POKEY-like timbres. It also has better frequency range. I may add it to Furnace soon. |
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I found this video that goes over programming for the Dave chip. No idea how helpful it is, but perhaps it could be helpful for if it's ever implemented into Furnace, but idk honestly |
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one more chip I would suggest is the ES5503 (Apple IIGS) unless it is either impossible to add or has already been suggested. |
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I'd like to have the ES5503 chip (used on both ENSONIQ's Mirage synthesizer and the Apple IIGS computer) on Furnace too! |
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I added it in my fork. It's kinda wacky support, though, but you can dynamically load wavetables |
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It has, yes |
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Are suggestions still been accepted here? I just wanted to know if Super Nes is going to be added. |
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Yes, someone is working on it. Check the pull requests |
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man... i can't stop loving this project...after making music for some years with deflemask and having very little response and new features... I just can't thank this team enough.... this is just amazing. |
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In the topic of sound chips, will we ever get template sound generators like (Pulse/Square), Triangle, Wavetable or Sample? I could have sworn I saw such a thing in an older version of Furnace called "Realtek Audio". It would make it very easy to make or prototype your own sound chip with its separate parameters. This might just be a dumb idea that I am putting out there and might even be impossible but it would be amazing to see a feature like this. |
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ESSFM, a enhanced opl3? from ESS audio found in cards like ES1688 ES1938(PCI). No real need to be able to get VGM which will play on real ESS audio drive, just able to play around with it in tracker makes me giggle. Also, Commander X16 should have a new sound card from texlec which should have dual opl3. |
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ESFM added lol |
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WOW ! A 2nd Xmas! woo! |
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There's also a demo song contest till Jan 29 |
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ah jee, |
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Join Furnace Discord server |
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Is this a general thread for soundchip suggestions? |
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Bump. Making Atari 2600 talk is cool. |
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TED is finally here Won't add Jerry as it's all done in software. |
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Could I ask you for OPN3(YMF288) or OPP(YM2164) support? |
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read more on why |
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YM2164 isn't there though..... even if it's just faster LFO |
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it can be a flag for 2151 |
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So, on config option? |
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yeah |
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frankly, the only sound sources i would expect to land is DAVE, ES5503 (as a ES5506 flag?) and Namco PCM chips. On the other hand, fixing game.com, adding adpcm for K053260 is more important. still, we have no demos for ted and k039483985238958321 |
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Games like Ridge Racer and the Tekken series use the Namco C352 PCM chip, so I would love to see this added in the future. As for the DAVE sound chip (or DPC), I ran across a webpage detailing its technical specs. IceDragonDee said that this chip is a SN76489 on steroids, and I would agree. I never knew about it until recently, and I think this should be implemented as well. The documentation is below: |
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After reading that document, now I definitely want the Dave chip to be added. It feels like a retake on an SN76489 or Atari POKEY. Additionally, I found a forum post in Hungarian detailing more information about the chip not covered in that document. Contains useful ASCII art diagrams on how the high-pass filter and ring modulator work, but be warned, Google Translate messes them up! Also, "DPC" is a valid alternative name for it??? Not to be mistaken for the Pitfall II (Atari 2600) DPC chip! |
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Yeah, I was surprised to see that the sound chip used in Pitfall II was also named DPC, even though it seems they are different from each other. If this would be helpful for Tildearrow and co., in case you aren't aware, I found a link to the source code of an emulator for Enterprise 128. Within that source code database are some files for the sound chip, "dave.cpp" and "dave.hpp". The link to that is below: |
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Dave is now in Git master. 0.6.2 will have it. |
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The Playstation 1 sound chip (24 channels of ADPCM audio with 44100hz sample rate and 512kb ram) would be awesome, it is similar to the snes sound chip. |
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I support this, it would be interesting to use its comb filter reverb thingy. |
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This one is a LOOOONG shot, but how about the IGS PolyGame Master's soundchip? Unfortunately, there doesn't seem to be much info on it other than that it has 32 sample channels and 32 MB of RAM. I also don't know if there's any open source emulation of it, but you can play some PGM games on Fightcade, so it is probably at least somewhat worth looking into? |
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seems interesting enough. could be simulated using 2 softmix GBAs, as those have 32mb sample ram too |
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Not wrong, though I can assume it has 16-bit samples, though I couldn't say for sure |
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32mb of sample data? Woah, that's huge for a game console ( ? ) |
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It's an Arcade system, not too different from the NEO GEO MVS. It was released in 1997, so it's nothing too crazy for the time. |
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oh, thanks for that info ( considerable amount for arcade system ) |
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No chance of getting the TI-82 "soundchip" that Houston Tracker 2 uses? |
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Excuse me what? |
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If memory serves, Houston Tracker is something that requires some kind of hard mod to add audio output to play Spectrum Beeper-like tones. Maybe it's worth it, but I also don't know if the code for the playback is open source. Your mileage may vary |
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It doesn't require a hard mod, it just utilizes the data port to output 4 square waves. You do need to adapt the slightly smaller jack to 3.5mm to get audio out, though. Houston Tracker 2 does have a github here: https://github.com/utz82/HoustonTracker2 so I assume the playback code is somewhere in there. Obviously this is a long shot compared to actual sound chips, but it would be fun. |
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and others
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YM2203 (OPN)
Jerry (Atari Jaguar)
TED (7360 / 8360) (Commodore 16, Commodore Plus/4)
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