This page was last modified 13:39, 18 November 2018 by Rderooy. Based on work by Gdx.


Nextor is an enhanced version of MSX-DOS2 developed by Konamiman using original source code. As announced on September 2018, Mr. Nishi on behalf of the MSX Licensing Corporation granted Konamiman permission to publish the Nextor source code.

Main features added to Nextor since MSX-DOS2.3x:

  • Native support for the FAT16 filesystem
  • Support for MSX1 with Memory Mapper (128kB or more)
  • Can boot in MSX-DOS1 mode
  • Support for disk image files (in beta)
  • Built-in device partitioning tool that can be adapted to your device (driver system is fully documented).