2011-02-13
* 2.1.7 released
* Added forced (non-LOAD) program loading via a load file dialog
* Added a save state system for saving and loading sz81 save states
* Moved command-line emulation options to GUI runtime options
* Added support for 1 to 4, 16, 32, 48 and 56K RAM (UDG now works)
* Added the ability to save screenshots via PrtScn (SDLK_PRINT)
* Added support for o, 80, p and 81 program file types
* Added autoloading of ZX80 program files in addition to the ZX81
* Added sequential filenaming for ZX80, printer and screenshot files
* Added a ZX80 BASIC xxxx REM SAVE "progname" filenaming hack
* Added an emulator pause feature via Pause (SDLK_PAUSE)
* Added mouse wheel support, used within the load file dialog
* Added a machine code PipePanic game and a machine code template
* Added the GNU GPL'd Open80 and Open81 source code and ROMs
* Added Win32 support via the _WIN32 preprocessor macro
* Applied several graphical and usability tweaks
* Fixed a couple of bugs

2010-04-27
* 2.1.6.1 released
* Fixed a few issues with the joystick configurator

2010-04-26
* 2.1.6 released
* Added a joystick configurator
* Added fg/bg colour adjustment
* Added joystick dead zone adjustment
* Added volume control adjustment
* Added key repeat delay/interval adjustment
* Added a runtime options system
* Replaced the Open Sound System (OSS) code with the SDL API
* Fixed a couple of bugs

2010-03-24
* 2.1-5 released
* Added joystick support throughout with runtime control remapping
* Added a configuration file to accommodate reconfigurable properties
* Added control delay/repeating for selected GUI features
* Applied several graphical and usability tweaks

2010-03-08
* 2.1-4 released
* Converted non OSS timing to use a more portable SDL timer
* Added an icon based control bar with several useful options
* Added ZX bitmap fonts and a bitmap font engine for future use within
  the GUI
* Added Chris Young's AmigaOS4 specific code

2010-02-27
* 2.1-3 released
* Added mouse/stylus interactivity to the keyboard with adjustable
  opacity and autohide on newline

2010-02-17
* 2.1-2 released
* Added new keyboard images
* The renderer now centres the emulator regardless of resolution

2010-02-14
* 2.1-1 released
* Initial stable and fully functioning (except OSS sound) SDL port
  of z81
