Search found 92 matches

by foobat
Tue Apr 08, 2014 3:10 am
Forum: Sound
Topic: Dual-YM2612 hardware synthesizer
Replies: 53
Views: 26297

SSG support isn't a big deal if we can control it via FMDrive using the little-scale CC list. The actual ym2612 is just a big list of registers, so once the hardware is in it's just raw lines of code to make the callbacks to handle the CC events ;) This hardware definitely can't keep up with PCM bei...
by foobat
Tue Apr 01, 2014 7:48 am
Forum: Sound
Topic: Dual-YM2612 hardware synthesizer
Replies: 53
Views: 26297

Thanks for the suggestions, everybody. I finally got around to wrapping this thing up, and have sent a board design out to be built. The first set will probably be broken since this is my first time working with anything analog or with two separate power supplies, but we'll see how it goes. :) Every...
by foobat
Tue Apr 01, 2014 6:49 am
Forum: Sound
Topic: FMDrive VST / YM2612 + Extended Vsti (Some News!)
Replies: 35
Views: 16479

Yeah, I'm interested! I've been fiddling with a Teensy-operated ym2612 for a couple years off and on and I've been meaning to get a PSG working to go with it. Controlling it via SPSG would be a massive timesaver. I might be able to come up with a good way to do the SID sound without lag via hardware...
by foobat
Mon Mar 31, 2014 11:14 am
Forum: Sound
Topic: FMDrive VST / YM2612 + Extended Vsti (Some News!)
Replies: 35
Views: 16479

How are you running the hardware SN76489 through SuperPSG? Is it just the little-scale sn76489 + teensy code you use or do you have custom firmware?
by foobat
Wed Mar 19, 2014 11:43 am
Forum: Sound
Topic: GENNY VST - Beta available for download!
Replies: 81
Views: 78140

You should grab Aly's VST, it's pretty insane
by foobat
Mon Mar 10, 2014 4:30 am
Forum: Demos
Topic: Ocean Melody
Replies: 6
Views: 4002

I tried playing this back on my custom player, and all the short waits and small PCM writes totally brought my little microcontroller to a screeching halt. You're really working the PCM like a dog with this song!
by foobat
Sat Mar 08, 2014 11:18 am
Forum: Hardware
Topic: New FM Enabled Power Base Converter Prototype
Replies: 3
Views: 2680

Wow, dude, that's awesome
by foobat
Sat Mar 08, 2014 10:51 am
Forum: Sound
Topic: Extreme High Quality Sound Emulation
Replies: 24
Views: 7952

"Proper key off" as opposed to decay/sustain expiry. There comes a point after which you start getting limited returns. The MegaDrive is kind of noisy, and it's hard to get perfect output from a real ym2612 in the first place (ask me how I know, I was working on an amplifier and a mixing circuit to ...
by foobat
Sat Dec 14, 2013 1:48 am
Forum: Sound
Topic: Nerdy Nights-style music tutorial for the Sega Genesis
Replies: 4
Views: 2808

It's not easily distillable into a wiki page. The NES has a square and triangle wave generator with 5 channels, and that's all you get. The YM2612 is basically a synthesizer with a real ADSR envelope and LFO and feedback and everything that goes with it. In order to make a wiki page with the same le...
by foobat
Sat Oct 05, 2013 12:53 pm
Forum: Announcement
Topic: AtariAge gets cease & desist for Princess Rescue?
Replies: 17
Views: 8253

From the videos, that's the most blatant alternate console Mario ripoff I've seen since Giana Sisters. The only thing it seems to be missing is proper level layouts. Mario 3 sprite + Mario Land Goombas = hilarity ensuing ;) haha yo check it out, it got a sequel http://store.steampowered.com/app/223...
by foobat
Wed Jun 05, 2013 9:52 pm
Forum: Sound
Topic: Dual-YM2612 hardware synthesizer
Replies: 53
Views: 26297

It might be better for me to migrate off PAK and to something else. The only difference between PAK and TFI I think, besides the parameter-to-byte order, is that PAK has a header to contain the name of the instrument. It would probably be better for me to change and to consolidate on a standard file...
by foobat
Wed Jun 05, 2013 7:29 pm
Forum: Sound
Topic: Dual-YM2612 hardware synthesizer
Replies: 53
Views: 26297

I've been having some problems with op amps as voltage followers and preamps. I think the switching speed on them is too low or something and it causes distortion. The way the ym2612 does multichannel output is with time-division multiplexing, which it seems lots of cheap op amps have problems with....
by foobat
Wed Jun 05, 2013 10:00 am
Forum: Sound
Topic: Dual-YM2612 hardware synthesizer
Replies: 53
Views: 26297

Dual-YM2612 hardware synthesizer

Heya peoples, I finally got around to making some schematics for my dual-YM2612 synthesizer. There might be some bugs in the layout and my EE knowledge is limited so I may have done some dumb stuff. Rough draft ahead. This device takes MIDI input through a standard 5-pin MIDI DIN connector, generate...
by foobat
Wed May 29, 2013 5:35 am
Forum: Blabla
Topic: What are you working on?
Replies: 16
Views: 4893

batchpcb takes soooo long and cnc machines are soooo cool
by foobat
Tue May 28, 2013 7:27 am
Forum: Blabla
Topic: What are you working on?
Replies: 16
Views: 4893

Learning how to make music so I can actually use the 2612 synth I made ;)

Also saving up for one of these http://www.mydiycnc.com/full_product so I can mill the circuit board myself.