Quantity   Component name
1 × Text Editor with Z80 assembly Highlight The choosen editor was "Context"
1 × Z80 Assembler It was used PASMO, that can generate .tap files to be loaded on an emulator
1 × ZX Spectrum Emulator Can be either Fuse, RealSpec, Eighty One, or Spectaculator. Fuse was used due to its timing accuracy