sz81 is a ZX80/81 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.
* 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