While many were software-only, some versions were designed specifically to work with the ZX Interface 1 for transferring data to Microdrives. Popular Variants & Alternatives Tape Copier (Wye Valley Software):
The last line of code, the one nobody sees until it's too late, reads: zx copy software
: Unlike simple file copiers, these programs were "bit-level" tools. They didn't care what the data was; they just replicated the exact audio pulses (the high-pitched screeches) onto a new tape, often bypassing "un-stoppable" loaders. The Human Element While many were software-only, some versions were designed