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ChipMusic.org / Forums / Posts by zii.hrs
Hi again,
It's a bit more than 2 years since we released our previous EP.
Again we mixed a PC synth with the rough audio texture of the Nintendo Gameboy, but this time with more of a hip-hop and trap inspiration.
Listen here:
Tumble & Toast - tumble toast tape two
We hope you enjoy!
I can't view the images. Try uploading them somewhere else. 
Wah, this is nice! 
Impressed with how much variation you manage to put in your tracks.
zii.hrs wrote:Somehow I must've gotten really confused looking at this diagram, and wired Serial in/out the wrong way. Apparently Serial in is not the pin to send data to.
Yes, it is. I think what likely happened is that you cut a cable in half and use one end of it. But since the in and out wires cross over, (out on one side goes to out on the other side) there's a 50% chance that the SI pin is connected either to red or orange on the end you're using.
I didn't cut a cable in half though, I unsoldered a link port from a game boy and wired it directly to the pi. It should follow the diagram. 
GND and Clock works too - I honestly have no idea what is wrong. I used a multimeter to confirm that the lines are drawn high when they should.
EDIT: Wait, I think I get it now.. I'm using a link cable to connect the two ports, and the link cable of course swaps in and out between the two ports (like you wrote)?...
It works!!!
My intuition was correct - the gameboy never received the row byte 
Somehow I must've gotten really confused looking at this diagram, and wired Serial in/out the wrong way. Apparently Serial in is not the pin to send data to.
Again, thanks for helping out!
Write a program that echo's the data the port receives. You'll need to either provide an external clock or use the internal clock of the GB. This will confirm the GB is receiving your data and hopefully help find where the fault is. PM me if you want some asm to do what you're after.
Thanks.
I would've written you, but it seems like nitro has already made it.
Here, I wrote one:
Amazing, thanks! Much appreciated.
In the interest of learning, can I have the source as well?
Haha, yeah. I consider myself a good programmer, but that Z80 assembly is Russian to me.
I'm trying to replicate Arduinoboy functionality on a Raspberry Pi using OO design.
Hey,
Does anyone know a ROM that simply prints out the bytes the game boy receives on the link port?
I'm tearing my hair out trying to make LSDJ start at a certain row by sending a byte with the row number, but it just won't work, so now I'm suspecting that the game boy never receives the byte..
~zii
Isn't the cart like $35 new? (including shipping) lol
Thanks! I've definitely considered MIDI out and the remaining modes that the Arduinoboy supports, I just haven't gotten around to implementing it.
At the moment I've extended the necessary GPIO pins to a small breadboard, and unsoldered a link port from a GB mainboard that I broke earlier this year, so I wouldn't have to cut the link cable.
The code is hosted at GitHub, but it is minimal at the moment.
I want to develop it further, and it would be really nice to work together with someone, but the problem is that I can't make any commitments right now due to my studies. Maybe I'll have more time after New Years. If you can live with that, I'd be happy to work together with you. 
Isn't A.M.U. from Asia too?
Much appreciated
Yo CMO
A friend and I produced some sounds and put it on bandcamp.
We mixed a PC synth with the rough audio texture of the Nintendo Gameboy, and we're pretty happy with the results.
Tumble & Toast - Knallert Forbudt EP
Listen, enjoy and give some feedback, we've never done this before.
NB: The title is danish and translates into "Moped Prohibited".
I sent one. New version on the way.
New version is up and confirmed working.
Perfect!
It doesn't work for me on emulator nor on gameboy. Retriggering speed is unaffected by the command parameters (broken), and seems to be faster than what was possible before.
Emulator: VBA
Cartridge: EMS64
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