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Yea it's a great project and i'm sure there are many people interested in that. For my part I found a pi boy in my country and bought it. It's a gameboy raspberri with a real raspi, i mean, not a pi zero. I bought that because it has usb port on it but it's expensive and i don't know if it will arrive because my order is stuck in same place since 28th december with no news...

You have also pi43 which seems good, cheap, but is seems to be unconfortable and too big...

You have m8 tracker which will be released i think in the next months (but i don't know)

You have nerd seq portable which will be released this year too.

But keep working on your project! I can be interested too, and with midi/minijack port it's awesome! (if it works directly with catskull electronics midi/minijack stuff (gen mdm, ym2342, gba midi synth...) it's even better! I mean using only one mini jack. It's really frustrating when you have 2 devices with minijackMidi port but which needs minijackmidi + midicable + midiminijack to work...

If my pi boy arrive some day i will say if it works good. I plane to create a chiptune machine for that, select lgpt at startup or other trackers or music programms on emulator. If you want to boot directly on piggy and poweroff when quit i can help i did that on my raspberry pi (normal one, not the pi boy)

EDIT : also, you can consider adding gate in and gate out like on M8 tracker which will make possibility to sync with korg series and with lsdj + nanoloop (many other hardware machines works with that too like akai rhythm wolf).

Ok thank's for your precisions. I'm sorry if I don't understand all, when it becomes english + technical stuff (i'm french), it started to being hard to understand but I think I get it.

I don't prefer save state than standard way, I think standard way is more confortable, like saving on lsdj or on lgpt. I was just searching an other way to save because I couldn't find a standard way on your tracker. But if you plan to implement that, that's much cooler!

Keep the great work and happy new years :-)

Edit : just for know, my tests are with everdrive x7

So your link works on computer

It's seems to be more like a GPI case than a pi boy because pi boy has 6 buttons. Normally Gpi case is with a pi zero and pi boy is with raspberry pi. I didn't see usb port on GPI case (that mean that lgpt midi can't work on it) that's why I am more searching a pi boy.

But he definitly has something plugged on the right side of the "gameboy", and on Gpi case you are not suppose to be able to do that. So maybe it's another one which I don't know.

But seeing that it works with the one he has is encourageous of it can work on something like this

I get all the most things working right, but I hear a small latency with midi. I use LGPT to drive genMDM (awesome!!) additionnaly with LGPT samples and the sound of sega genesis is a little too late (microseconds) compare to LGPT samples. I use audio output of raspberry pi because I can't get my UR242 soundcard working and because sound is ok for me. I use usb to midi cable for drive genMDM.

I saw on LGPT wiki this :

"MIDI Configuration

This setting is also W32 only. It can be use to delay the output of midi by a certain amount of milliseconds. For example, to delay it of 1 msecs:

<CONFIG>
  <MIDIDELAY value='1'/>
</CONFIG>

also note: Because MIDI on PC is a bitch to synchronise and that the ONLY system that kind of worked was, surprisingly, the old MMSYSTEM audio system, I've re-enabled it as an option. So, if you need good midi sync or good timing, you will NEED to use this. The latency isn't great but in our case it's not a problem. To enable the old ass audio system and enjoy pretty stable midi out, add an entry in the config.xml with <AUDIOAPI value='MMSYSTEM' />
"

This should work only on windows right? Not on pi... and even if it worked, I don't want to delay midi, I want to delay sample for it sounds at the same time as midi.

But I tried MIDIDELAY value="2" for see, I didn't notice any difference. I didn't tried MMSYSTEM because I understood that it's for sync and I don't want to sync anything it's only midi out notes, CCs and samples

For me that's really the ultimate config, and I will defintly use again genMDM with LGPT! (on lsdj it worked but it was too complicated)

I have found an other USB controller I had somewhere, but it's nes style, dpad, select, start, A and B, no shoulder.

I tried to map both shoulder left and right to select, and it works for the page, I can go everywhere except quitting project screen, but I can't do copy operations like select+b in LSDJ (shoulder L + b in LGPT)

So it means that only shoulder right works, i can't mapp select to both shoulder right and left, only the first assignation will work
That should be better if select could do the job like on LSDJ. I think maybe it's that because it was created for consoles which don't have select at good position, but maybe this can be also changed? Maybe have to compile lgpt for that...

So I think I will just try with other controllers (have to buy new...) until it works good. One with no joystick but Dpad and shoulders should be a good candidate.

"I hate linux" hahaha... I work on it every day hehe

I have my response! with help of raspberry community : https://www.raspberrypi.org/forums/view … 7#p1780427

I just had to remove the "exec" word and it works.

#!/bin/sh
cd /home/pi/Desktop/lgpt/lgpt_DEB/bin
sudo ./lgpt.rpi-exe
sudo shutdown -h now

I think it should work also without sudo in my case.
I made a video just for fun when I was happy with midi working on lgpt :

at the end you can see the screen size which should be better if it was a little bit biger. I wait the rca video cable for test with it. Normally i'm on the lowest resolution, and if I use the x2 trick in config.xml, it's bigger than the tv and display don't work.
https://www.youtube.com/watch?v=n7sUiQ3 … el=MazHoot