GitHub - ab0tj/HardMPU: Atmega1284 based MPU-401 compatible MIDI interface

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Atmega1284 based MPU-401 compatible MIDI interface

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Name		Name	Last commit message	Last commit date
Latest commit History 44 Commits
bin		bin
configtool		configtool
Building the HardMPU.pdf		Building the HardMPU.pdf
EXPORT.H		EXPORT.H
HardMPU.atsln		HardMPU.atsln
HardMPU.c		HardMPU.c
HardMPU.cproj		HardMPU.cproj
LICENSE		LICENSE
MIDI.C		MIDI.C
MPU401.C		MPU401.C
PIC.C		PIC.C
README		README
Schematic.pdf		Schematic.pdf
config.h		config.h

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

Features:
- 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

Limitations:
- 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.