Retro computer enthusiasts: you might find this CPU opcode app useful. Please let me know of errors and omissions!

On TestFlight for iOS now. Requires iOS 18.

https://testflight.apple.com/join/e3nSMedK

Z80, 6502, 6800, 6809, 8080, 1802, 2650 and 8088.

@GrantMeStrength I miss my old paper Z80 programmer's manual. Did my first machine code with that, pencil & paper and a Sinclair Spectrum.
@lopta you don’t have this on a shelf?
@GrantMeStrength I've definitely seen that but I don't own a copy.