* Accurate Emulation
* AY Sound
* Multiple window sizes
* Support for tape files and snapshots
* A comprehensive debugger
* Download programs from WoS archive
* ULA Plus graphic mode
* Supports 48k, 128k, 128ke, +3 and Pentagon 128k machine models.
* POK support – The cheat helper can be used to select the pokes you want to cheat at a game.
* ZIP support – Load any supported file directly from a .zip file. No need to uncompress first.
* Save Screenshots - Save either in native .scr format or bmp, png, jpeg or gif.
* RZX playback – playback RZX recording of your favourite games from the RZX archives!
* Joystick support - Plug in your PC gamepad or joystick and Zero will emulate Kempston, Cursor and Sinclair joysticks.
* Kempston mouse support – Zero can emulate the popular Kempston mouse interface using your PC mouse.
* Key2Stick – Don’t have a PC gamepad/joystick? No worries! Zero can use the arrow keys and the TAB key to emulate Kempston, Cursor and Sinclair joysticks.
* Zero can automatically restore the emulator’s last state when you quit. No more worries about quitting without saving!