The emulation is extremely accurate and there are many features, including savestates, joystick, and TAP tape file support.You need the SDL library to run this. It's based on the Spectrum emulator for DOS, Z80. This spectrum emulator uses the SDL library to emulate the original spectrum, the classic 128K, the Amstrad Plus 2, and the Amstrad Plus 2A.
It has also been ported to Windows, the Wii, AmigaOS and MorphOS, which are definitely not Unix variants. However, it has now also been ported to Mac OS X, which may or may not count as a Unix variant depending on your advocacy position. Sinclair - ZX / Spectrum / QL Series Emulatorsįuse (the Free Unix Spectrum Emulator) was originally, and somewhat unsurprisingly, a ZX Spectrum emulator for Unix.