Atmega1284 based MPU-401 compatible MIDI interface
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Latest commit 5eb53c4 Apr 22, 2018


HardMPU: An intelligent MPU-401 compatible MIDI interface based on an Atmega microcontroller and SoftMPU software.

- IRQ driven intelligent mode compatible
- UART mode compatible
- SysEx delay for Roland MT-32 on faster computers
- "Fake all notes off" for Roland RA-50
- JTAG, ISP, and UART interfaces for user expansion

- Playback only, recording planned but not yet implemented
- Requires an ISA slot in your computer

This software is covered by the GPL. The circuit design is free for non-commercial use.