If you are keen to explore the fascinating world of machine code then the ZX Spectrum Monitor and Disassembler is the ideal programming aid.
The powerful Disassembler will translate bytes of machine code into comprehensible assembly language instructions, enabling you to examine the language BASIC ROM to investigate how the Spectrum works or to analyse your own machine code routines.
This, plus the highly versatile Monitor gives you an extensive set of facilities to aid the entry, inspection, modification and debugging of your own machine code programs.
Two versions - 16K and 48K - are supplied on this cassette, accompanied by a detailed user manual.