dosbox-staging — DOS/x86 emulator focusing on ease of use

A quick summary of new features:

  - Upgrade to SDL 2.0
  - Support FLAC, Opus, Vorbis, and MP3 CD-DA tracks
  - Pixel-perfect scaling mode
  - AUTOTYPE command
  - Changed rendering defaults
  - Expand mouse control methods
  - Nuked OPL v1.8
  - Resizable window
  - Reload key bindings in runtime
  - Improved configuration file handling (Linux, macOS)
  - Modem phonebook
  - 64-bit dynarec
  - CGA emulation improvements
  - GLSL shader support
  - DATE and TIME commands
  - Mount overlay support