USB4MAPLE adapter
- Elixir Alex
- shadow
- Posts: 7
- Dreamcast Games you play Online: Alien Front Online, ClassiCube, Quake III Arena, Phantasy Star Online.
Extensions get mixed up.
I've noticed this issue where sometimes my USB4Maple saves virtual VMU's with slightly garbled extensions and it has me kind of concerned.
I made the USB4Maple myself and I wouldn't be surprised if it's the adapter.
I normally keep it on the D port just for saving with a ps4 controller attached to it with a splitter. I switched to a different usb thumb drive but it still causes issues. The current leading theories is that it's either the port being iffy or the usb4maple adapter. I was wondering if anyone else had any issues like this.-
- shadow
- Posts: 7
- Dreamcast Games you play Online: None at the moment :)
Re: Extensions get mixed up.
Interestingly, I wonder if this is what was happening after I edited my VMU .binElixir Alex wrote: ↑Sun Mar 16, 2025 4:21 am I've noticed this issue where sometimes my USB4Maple saves virtual VMU's with slightly garbled extensions and it has me kind of concerned.bins.png
I made the USB4Maple myself and I wouldn't be surprised if it's the adapter.
usb4maple.jpeg
I normally keep it on the D port just for saving with a ps4 controller attached to it with a splitter. I switched to a different usb thumb drive but it still causes issues. The current leading theories is that it's either the port being iffy or the usb4maple adapter. I was wondering if anyone else had any issues like this.
I assumed it was a lack of GDEmu that was making things weird, but you have one from the look of it and are facing a similar problem.
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- noob
- Posts: 3
Re: USB4MAPLE adapter
Can we get a dedicated arcade stick layout? I want to bring this to my fighting game locals but having L only on the L1 and L2 buttons doesn't work well for fighting games. How can I map L to R1?
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- noob
- Posts: 2
Re: USB4MAPLE adapter
I think you might be looking for this viewtopic.php?t=13058
or this https://github.com/mackieks/MaplePad?tab=readme-ov-file
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- noob
- Posts: 3
Re: USB4MAPLE adapter
No dice. Only thing it seemed to change was disabeling r1 and r2 on the gdmenu
Edit: I should clarify. I added the arcade.bin file to the dongle from the first link. installing the maplepad firmware caused no inputs to be read whatsoever. I'm using a gp2040ce controller in direct input mode.
Edit: I should clarify. I added the arcade.bin file to the dongle from the first link. installing the maplepad firmware caused no inputs to be read whatsoever. I'm using a gp2040ce controller in direct input mode.
- megavolt85
- Developer
- Posts: 2167
Re: USB4MAPLE adapter
in Chinese extension cords the colors of the wires do not match the original, you need to check with a multimeter which wire goes where.
P.S. in my extension cord the green wire is VCC
P.S. in my extension cord the green wire is VCC
- lostinspace
- shadow
- Posts: 13
- Dreamcast Games you play Online: not yet
Re: USB4MAPLE adapter
Didn't know this could be done using only a raspeberry pi pico or a STM32F103C8T6, I am going to try that next time.BeeWildered wrote: ↑Mon Mar 17, 2025 11:57 amI think you might be looking for this viewtopic.php?t=13058
or this https://github.com/mackieks/MaplePad?tab=readme-ov-file

- lostinspace
- shadow
- Posts: 13
- Dreamcast Games you play Online: not yet
Re: USB4MAPLE adapter

I did this recently. I tried to use everything that I already had to keep the budget down. I carved/shaped a wooden block and fitted a transparent plastic panel that covers prints ( art ,moves, instructions...). Inside, I have an old 4G memory stick + screen, an arduino microcontroller and a RP2040 ( Usb4Maple).
The nice thing is that it can be used on both Dreamcast and PC, works great. ( don't know if this falls into a another topic category, apologies )
Last edited by lostinspace on Tue Mar 18, 2025 5:40 pm, edited 1 time in total.
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