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Topics by yogi
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cyberic wrote:Tahnks for your answer
But:
- When the rom loads, is the song started, or stopped? do I have to press start on the first controller ? (it would be great to have the status displayed on screen)
- The doc says 'Key presses on controller 2 act as the clock input, and will run the next step of the NSF'. So what key is it?
Thx
Here are my notes:
FamiSlayer V6.66:
Controller 2:
Start = Sync Pulse input, in play mode
Controller 1:
A = PAUSE/PLAY TOGGLE
B = STOP PLAYING
UP = INCREASE SONG#
Down = DECREASE SONG#
LEFT = REWIND - reset to the beginning of the current frame
RIGHT = FAST FWD - skip to the beginning of the next frame
START = RESTART SONG from the beginning
Believe that it boots in the Stop mode. So press A on pad1, then toggle Start on pad2. Think these are correct
yogi
you need at least 60 'presses' per second to play the NFS at it's native rate. So depending on the auto fire rate, the NFS is probable running at a VERY slow rate. If there is a second or two of silence at the start of the NSF, this could take minutes to get to the first sound. Try letting it run awhile with the autofire, if the NFS was compiled into the base code correctly, you should hear some sound at some point. Also make sure that you are triggering the right button on the correct pad.
yogi
you need at least 60 'presses' per second to play the NFS at it's native rate. So depending on the auto fire rate, the NFS is probable running at a VERY slow rate. If there is a second or two of silence at the start of the NSF, this could take minutes to get to the first sound. Try letting it run awhile with the autofire, if the NFS was compiled into the base code correctly, you should hear some sound at some point. Also make sure that you are triggering the right button on the correct pad.
yogi
Well, I think Sauraen's working on the obscure modes ATM; SSG and CSM implementations as supported by GenMDM. I think he is already familiar with the Littlescale doc but will pass along the v103 implementation text also.
From his post "GENMDM-compatible MIDI files that I could play into the synth." so basic midi track (not dependent on the Max4Live tools as he isn't using Ableton) with GenMDM CC messages as opposed to GM files. And of course he is interested in any improvement to the midi handling that can be suggested. The STM ARM32 based HW is far more capable then the original Teensy, so new/better control via midi is possible.
yogi
So there is a HW project @ Midibox.org that I've posted about before, the developer Sauraen is currently working on implementing the midi interface, and is trying to include the GenMDM midi assignments.
At this point he needs a midi test file written for the GenMDM interface, I've been searching abit but haven't found a candidate. Hoping someone here has a song or would like to work with Sauraen to help develop/improve the GenMDM like midi control design.
http://midibox.org/forums/topic/19678-m … ent-174981
yogi
cool, will have to look out for a FM cart 
yogi
bump for project update. Info in the edit to the first post
Yogi
marzacdev wrote:garvalf wrote:I guess it's purely FM, there is no PSG like sounds (square waves) like on the megadrive?
Indeed you are right. It is on a separate dedicated chip so far I remember. This module do not produce square waves. I tried to keep the project simple.
yogi wrote:Any way to update firmware? If there are updates.
Possibly but my philosophy was more to deliver a bug free product and therefore no need for updates. I am seriously thinking about this though.
yogi wrote:Sales of programmed dsPICs at some point?
Yes, guaranteed.
yogi wrote:Would like to build a UI, maybe based on STM32 or PIC32, at some point
Maybe but I also need to make a living. This kickstarter project is more a fun thing for me, I make absolutely no money with this project and it takes a lot of working time, trust me :-)
Thanks for the response. The UI idea was just a follow on to dsPIC sales question, as the Arduino shield is a nice user friendly form factor but not too great for a custom synth builds. If the chips will be on sale at some point, this will open the door to DIYer to develop other form factors with other uControllers.
Your software/firmware is very complete and dedicating an Arduino for a FM synth box is a good option that I plan on doing. Looking forward to a successful Kickstarter campaign for you,
Yogi
marzacdev wrote:garvalf wrote:I guess it's purely FM, there is no PSG like sounds (square waves) like on the megadrive?
Indeed you are right. It is on a separate dedicated chip so far I remember. This module do not produce square waves. I tried to keep the project simple.
yogi wrote:Any way to update firmware? If there are updates.
Possibly but my philosophy was more to deliver a bug free product and therefore no need for updates. I am seriously thinking about this though.
yogi wrote:Sales of programmed dsPICs at some point?
Yes, guaranteed.
yogi wrote:Would like to build a UI, maybe based on STM32 or PIC32, at some point
Maybe but I also need to make a living. This kickstarter project is more a fun thing for me, I make absolutely no money with this project and it takes a lot of working time, trust me :-)
Thanks for the response. The UI idea was just a follow on to dsPIC sales question, as the Arduino shield is a nice user friendly form factor but not too great for a custom synth builds. If the chips will be on sale at some point, this will open the door to DIYer to develop other form factors with other uControllers.
Your software/firmware is very complete and dedicating an Arduino for a FM synth box is a good option that I plan on doing. Looking forward to a successful Kickstarter campaign for you,
Yogi
Very nice! Backed!
Few questions:
Any way to update firmware? If there are updates.
Future plans beyond the Kickstarter? Sales of programmed dsPICs at some point?
Would like to build a UI, maybe based on STM32 or PIC32, at some point
Yogi
PleaseLoseBattle wrote:This article.
Timbob wrote:
How is it different making music with the Yamaha YM2612 chip instead of just using hardware or computer software?
I have the sound chip and what I do is drag a sound into the sound frame and then it decodes. If I like the bassline on Green Hill Zone, I can put that in there and it gets the instrument for me and I can use that to make my own pattern out of it. It’s a really hands-on process, there’s no preset for bass, leads, etc. I have to manually go into the sound chip and find the instrument that I want and then I can tweak it to my liking.
Hmmm.. I don't know what to think of the article. Though they are name dropping 'YM2612' like crazy, it doesn't sound like he is actually tracking for the chip. More like sampling (?). 'Sound Frame' WTF?.....
Anyone know what he is talking about?
Yogi
looks very interesting. Waiting for the demo video.....(not showing up for me)
Yogi
Famitracker will export a NSF as a NES rom or you can also compile a NSF with Vega Play into a NROM. Also I think the Powerpak has a NSF player/mapper that allows direct NSF playing from the CF.
Yogi
Jazzmarazz wrote:Anyone have experience with this program? I think its a tracker on PC, used to export to SPC which can then be played on an SNES APU.
https://www.youtube.com/watch?v=ldblFLM8mKM
https://www.youtube.com/watch?v=7ta5FBAZw1o
Apperently its called "黒猫SPC" from http://kurohane.net/seisanbutu.html
My first SNES pooped out a few years back, but of course I kept it. It has the removeable APU so I would like to build an SPC player from it. It would be pretty wild to control it live. I wonder if that's possible. The original SPC player design was based on a parallel connection, which I would be fine with if I could send the right data out the right port.
Don't know if you've seen this, an APU Arduino shield-
http://www.caitsith2.com/snes/apu.htm
You need to desolder the socket on the SNES main board, to mount the APU. You can either use it on an Arduino or standalone with a PC Parallel port. I bought a board a couple years back, so check with caitsith if he still has any on hand. Of course at his site are the Eagle files so you could send them to OSH Park and sell the two extra.
Also saw that he has some new APU designs on OSH Park. They look like they incorporate the AVR on the board, so it's a single board design. The boards are for just the APU chips, from the newer SNES without the Can; desolder the chip and move to the new board.
https://oshpark.com/profiles/caitsith2
He hasn't posted any info on his site about these but there is a Github link on the OSH pages, so they may still be experimental (?) Last design was posted Dec 23
My stuff is still sitting in a box waiting for some love. Haven't setup the softwares :\ That tracker looks interesting, if you dig up more info would like to hear.
Yogi
Yes, would have to supply the 'Battery' on the line and should work. BUT have you thought about generating the DTMF via arduino? Here is a cool recreation of a blue box, and does all kinds of tones as used on many different systems-
http://www.instructables.com/id/Arduino … roduction/
I had the same thoughts, and plan to build this. Really dig some of the beats by ElmerCat
https://soundcloud.com/elmercat/didja
Yogi
So this might work for you without the second phone-
http://www.instructables.com/id/Simple- … ed-Phones/
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