ZX Spectrum - a computer designed over 30 years ago with a 3.5 MHz processor and only 48 KB of RAM. For him, it developed a huge number of
software and games. Moreover, new game releases are constantly in our days.
Previously, the program is loaded from the tape. And the loading is not always succeeds, sometimes the game had to try several times to load
often getting message "R Tape loading error".
Alternatively audiotapes today suggests a memory card that stores the program files in the formats TAP, WAV and TZX.
And as an alternative to tape recorder - microcontroller device that can play and store these files.