My goodness, if you really insist on arguing this point, here are a few books for you.

6502:

https://www.amazon.com/Assembly-Language-Programming-Lance-L...

ftp://ftp.apple.asimov.net/pub/apple_II/documentation/programming/6502assembly/6502%20Assembly%20Language%20Programming.pdf

Z80:

http://maben.homeip.net/static/S100/zilog/z80/Z80%20Assembly...

https://archive.org/details/Zilog_Z80_assembly_language_prog...

68000:

http://dev-docs.atariforge.org/files/Asm_Lang_Prog_68K_Famil...

https://www.amazon.com/68000-Family-Assembly-Language-Progra...