But reading raw machine code (hexadecimal) is like trying to read a novel in a foreign language. That is where a tool becomes indispensable.
Search for "Z80 Disassembler Online" and look for one that explicitly lists "full" or "professional" features. Sites like Defuse.ca, Masswerk.at, or Omegatrix are good starting points. (Note: Always check the tool’s feature list against the checklist above). z80 disassembler online full
Use the "Load File" or "Paste Hex" option. Full tools support drag-and-drop. You might need to tweak the Origin (starting address). If your ROM is designed to run at address $0000 , set the origin to 0. If it’s a ZX Spectrum snapshot at $4000 , set the origin accordingly. But reading raw machine code (hexadecimal) is like