MT32-pi Hat for MiSTer

MT32-Pi MIDI Add-on for MiSTer FPGA 

Developed by D0pefish, this powerful expansion brings legendary MIDI sound to your MiSTer FPGA setup!

Replicating the iconic Roland MT-32, this add-on connects to your MiSTer FPGA via the USB 3.0 User I/O port, allowing you to enjoy authentic, high-quality MIDI music on classic cores like:

•  ao486
•  Atari ST
•  Commodore Amiga
•  Sharp X68000

With full support for MUNT and FluidSynth, you’ll experience your favorite retro games as they were meant to sound — rich, dynamic, and immersive.

 Why it’s special?

Because it sounds amazing. Truly. A must-have for any retro enthusiast who appreciates great audio fidelity.

 Plug & Play. Compact. Stunning audio quality.

Upgrade your MiSTer experience with real MIDI magic.

What’s Included in the Kit:

• 8GB microSD card preloaded with the latest MT32-Pi firmware

• MT32-Pi MiSTer Hat with integrated display

• USB 3.0 USER I/O cable – fully tested

• Fully assembled and ready to use

• Compatible with Raspberry Pi Zero 2 W, 3A+, 3B, and 4 (Raspberry Pi not included)

 Note: An upgraded power supply is strongly recommended for optimal performance.

 Raspberry Pi not included in this kit.

Looking for a complete bundle with Raspberry Pi? Check out our version with Pi included [here].

 Installation:

We include a pre-configured SDCard. If you need to prepare a new SDCard you may download the latest release, copy all files to a formatted SDcard and edit mt32-pi.cfg:

[control]
scheme = simple_buttons
mister = off
[lcd]
type = ssd1306_i2c
height = 64

When you power on the MT32-Pi, you should see a MiSTer splash screen.

 MT32-pi by D0pefish:

• A work-in-progress bare-metal MIDI synthesizer for the Raspberry Pi, based on Munt, FluidSynth and Circle.
• Turn your Raspberry Pi into a dedicated emulation of the famous multi-timbre sound module used by countless classic MS-DOS, PC-98 and Sharp X68000 games!
• Add your favorite SoundFonts to expand your synthesizer with General MIDI, Roland GS, or even Yamaha XG support for endless MIDI possibilities.
• Includes General MIDI and Roland GS support out of the box thanks to GeneralUser GS by S. Christian Collins.
• No operating system, no complex Linux audio configuration; just super-low latency audio.
• Easy to configure and ready to play from cold-boot in a matter of seconds.
• The perfect companion for your MiSTer FPGA setup.