MiSTer FPGA mt32-pi | Roland MT-32 MIDI Emulator

Add authentic Roland MT-32 MIDI sound to your MiSTer FPGA with mt32-pi. This bare-metal Raspberry Pi solution provides accurate emulation of the legendary MT-32 synthesizer used in classic DOS games.

Created by Dale Whinham (d0pefish) - show him some love!

What's Included

• mt32-pi interface PCB
• Aluminum case mounting bracket
• PCB shim for Pi Zero 2 W
• USB 3.0 A-to-A cable

Compatible Raspberry Pi Models

• Pi Zero 2 W
• Pi 3A+ (some units have issues - see the mt32-pi wiki)
  • The solution is to replace these files on your sd card
    • fixup_cd.dat
    • start_cd.elf
• Pi 3B
• Pi 4

(Raspberry Pi not included)

Features

• I2S audio output for best quality
• OLED display support (SSD1306)
• Soundfont selection via MiSTer OSD
• Mounts cleanly to Aluminum Armor case

Setup

Configure via mt32-pi.cfg file. See the mt32-pi wiki for instructions.

Recommended: Upgraded power supply for stable operation.