J'ai utilisé des fichiers CDT ou TZX pour une parfaite reproduction
TZX is a file format designed to preserve all (hopefully) of the tapes with turbo or custom loading routines. Even though some of the newer and 'smarter' emulators can find most of the info about the loader from the code itself, this isn't possible if you want to save the file to tape, or to a real Spectrum. And with all this information in the file, the emulators don't have to bother with finding out the timings and other things.
This file format is explicitly targeted to the ZX Spectrum compatible computers only. Specialized versions of the TZX format have been defined for other machines too, e.g. the Amstrad CPC and C64, but they are now available as distinct file formats with other filename extensions.
At the end of this document you can find a description of encoding differences between these machines and a table which displays timings used by their respective ROM loading routines (some of them are not official). If you know of any other machines that have similar encoding that could be represented with this file format then let us know.
J'ai prévu un test Oric / Oric Atmos puis C64 / VIC20...
Mon SDLEP Reader est un peu plus encombrant que la version de Daniel mais rien ne dépasse