sz81 v2.1.6.1 is released. sz81 is a Sinclair ZX80/ZX81 emulator very much based upon the work of Ian Collier's xz80 and Russell Marks's z81 but employing the highly portable SDL and including additional functionality and features for desktop computers and portable devices.

sz81 v2.1.6.1 Changelog:
2010-05-06 Thunor
* Tweaked GPH GP2X Wiz support.
2010-05-04 Thunor
* Added support for the GPH GP2X Wiz.
2010-04-30 Thunor
* Changed the way sdl_rcfile_read() manages reading ctrl_remaps: If one
or more ctrl_remaps were read then they will completely replace the
existing default ctrl_remaps, and if none were read then the defaults
will remain.
2010-04-28 Thunor
* Added fullscreen, xres and yres command line options.
* Added keyboard page up and page down to the load selector.
2010-04-27 Thunor
* Version 2.1.6.1 released
* Fixed a few issues with the joystick configurator.
2010-04-26 Thunor
* Version 2.1.6 released
* Added an alternative keyboard based control remapper (F9) for users
with single buttoned joysticks.

Download: sz81 v2.1.6.1
Source:Here