This emulator can handle the TZX file format! Warajevo ZX Spectrum Emulator version 2.51 by Zeljko Juric and Samir Ribic (797,442 bytes).ZX Spectrum-Emulator v1.0s / SPECEMU (shareware) by Bernd Waschke (212,930 bytes).The Spectrum Emulator / SPECEM by Kevin J.JPP and its source by Arnt Gulbrandsen (229,181 bytes).This archive contains versions for both DOS and Windows 3.1/95/98/NT Notice that, although the emulators are written for DOS, they will run in a DOS-box in Windows as well. Ordering per platform is done older (top) to newer (bottom). Of course, you will need an emulator to play your Spectrum Games. (For exhaustive descriptions of the most used emulators for various platforms, read the FAQ)
