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We are proud to publish "MUCOM88" created by Yuzo Koshiro, a legendary game music composer.
Open MUCOM 88 is a project to utilize open source based on MUCOM88 source code of FM synthesis sound driver
 operating on NEC's PC-8801 series.
MUCOM 88 Windows is a system for running MUCOM88 on Windows. Both the command line version and the GUI version are prepared.
"MUCOM88" and "MUCOM88 Windows" released in OBSLive year-end live broadcast in 2018.
The original MUCOM88 disk images are also available at Ancient's site.

Open MUCOM88 is an open source project based on the source code of MUCOM88, the FM sound driver by Yuzo Koshiro, which had been running on the PC-8801 series of NEC. The original MUCOM88 disk image is available on the site of Ancient Corporation.

MUCOM88 Windows is a system to run MUCOM88 on Windows. Available in both command line and GUI versions, no BIOS or disk image is required.
It is possible to play back an actual YM2608 chip connected externally via SCCI.
You can download the latest version of the archive at the link below.
(Please refer to the Github repository for information on other platforms.)

MUCOM88 Windows

Download mucom88win231215.zip(Latest version) (3,031,346bytes) (2023/12/15 19:00 update)

Download mucom88win200409.zip(Previous version) (2,895,872bytes)

A new version of MUCOM88 Windows (2023/12/15) has been released.
The following updates have been made
You can use it by deleting the folder that was installed before and replacing it.
You need to prepare the wav file of the rhythm sound, please get the YM2608 rhythm sound file separately.


Name        : MUCOM88 Windows
Version     : Ver0.54 ( MUCOM88 Ver1.7d )
Platform    : Windows 7 or later
Copyright   : 
OpenMucom88 Ver.1.7 Copyright 1987-2020(C) Yuzo Koshiro
Z80 emulation by Yasuo Kuwahara 2002-2019(C)
FM Sound Generator by cisc 1998, 2003(C)
SCCI system / adpcm converter by gasshi 2020(C)
Windows version by ONION software/onitama 2018-2024(C)
License     : CC BY-NC-SA 4.0

MUCOM88 Windows Sample music data by Yuzo Koshiro

Download mucom88win_yk2mml191012.zip (656,936bytes) (2019/10/13 12:00 update)

The actual music data from the following game titles has been extracted and included as samples.
All rights to the sample musics in this archive are owned by Yuzo Koshiro.

Etrian Odyssey
Based on CC BY-NC-ND 4.0, you may reproduce or reprint the data provided that it is for non-commercial use only and that the data is not altered.
When doing so, please use (C) "Yuzo Koshiro 2019" or other notation of rights.


Name        : MUCOM88 Windows Sample Music Data
Version     : Ver1.7a
Copyright   : (C) Yuzo Koshiro
License     : CC BY-NC-ND 4.0

Based on Creative Commons BY - NC - ND 4.0

1. Share:
    copy and redistribute the material in any medium or format
    The licensor cannot revoke these freedoms as long as you follow the license terms.

2. NonCommercial:
   You must give appropriate credit, provide a link to the license, and indicate if
   changes were made. You may do so in any reasonable manner, but not in any way that
   suggests the licensor endorses you or your use. 

3. NoDerivatives - If you remix, transform, or build upon the material,
    you may not distribute the modified material. 

If you would like to use these songs for commercial purposes
Please contact to Ancient Corp.

For copyright inquiries:

Open MUCOM88 WiKi
MML Reference
Open MUCOM88 Repository
MUCOM88 Disk Image
FM sound driver's summit
PC-8801 software