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Revision as of 08:27, 19 July 2017 by SnatcherMkII (talk | contribs) (This emulator deserves a better article. Like seriously.)
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Current version: 0.13.0
Active: Yes
OS: Multi-platform
Authors: openMSX Team
Official website: openMSX
Source code: GitHub

openMSX is an open source, multi-system MSX emulator.

For copyright reasons the emulator cannot be distributed with original BIOS ROM images. OpenMSX includes C-BIOS, a minimal implementation of the MSX BIOS, allowing some games to be played without an original MSX BIOS ROM image, though you can also use your own BIOS ROM image if need be.



  • MSXturboR
  • Moonsound
  • IDE Controller by Sunrise
  • GFX9000
  • Pioneer Palcom LaserDisc

Notable Features

  • Hard- and software Scalers
  • Debugging
  • Tcl Script Support
  • Cheat Finder (through Tcl)
  • Game Trainers (through Tcl)
  • Audio/Video recording (through console; can record at 720p, allowing recordings to be played at 60fps; much better than blueMSX's offering)
  • Reverse support (go back in emulated time to correct mistakes or debug what happened)

Other features and supported hardware not listed can be seen here.


openMSX Catapult is a GUI openMSX, a GUI of some sorts. It is currently being redeveloped utilizing Python and the Qt toolkit. It also includes a debugger.

External links