User Guide

Everything you need to install and use Bizmuth, the ZX Spectrum Next emulator. New here? Start with Installation & first run, then work down the list.

  • Installation & first run — Install Bizmuth, let the first-run assistant fetch the ROMs + SD image, and launch it.
  • The main window & menus — The Bizmuth window, the menu bar, the status bar and the Next core hotkeys.
  • Machines — The machines Bizmuth emulates and how to switch between them.
  • Loading software — Open .nex, snapshots, tapes and disk images in Bizmuth.
  • SD cards & NextZXOS — Attach an SD card image, boot NextZXOS and run Next software from the browser.
  • Input — Keyboard, joysticks, mouse and gamepads in Bizmuth.
  • Display & audio — Scaling, aspect ratio, CRT scanlines, full screen, and audio levels.
  • Tape & disk — Loading tapes and using the +3 disk drive.
  • Save states & screenshots — Save and restore the full machine state, and capture screenshots.
  • Preferences — The Preferences dialog — display, audio, input, controller and advanced settings.
  • Command-line reference — Bizmuth's command-line options.