Z80 Assembly Language

Опубликовано: 11 Март 2026
на канале: John's Basement
22,060
669

You can support this channel on Patreon!   / johnsbasement  
This is part of a YouTube playlist/series:    • Z80 Retro  

This is a discussion of, arguably, the most useful reference documentation of Z80 Assembly Language.

Here is a video I did that discusses how machine stacks work. Note that the Z80 stack is a FULL DESCENDING stack (specifically mentioned 6 minutes in):
   • Introduction to Stacks (K3U0-NIU-463)  

Links to documentation seen in this video:
Original ye-olde Z80 Assembly Language Programming Manuals:
http://zxevo.ru/inc/Zilog_Z80_assembl...
Modern OCR'd version of the same thing with creative errors in it:
http://www.zilog.com/docs/z80/um0080.pdf

This is a cleaned up and proper table of Z80 Instructions created by Sean Young:
https://eclass.aspete.gr/modules/docu...

Original ye-olde datasheet with green-card-ish table of instructions:
http://www.bitsavers.org/components/z...
https://www.zilog.com/docs/z80/ps0178...
Modern re-created version of the same thing including the undocumented instructions:
http://www.z80.info/zip/z80sean.zip

Arguably, the best books on Z80 Assembly language are by Lance Leventhal:
https://archive.org/details/Z-80_Asse...
https://archive.org/details/bitsavers...

Music used in this video (Vibe Tracks, Alternate) was downloaded from the YouTube Audio Library: https://www.youtube.com/audiolibrary_...

#Z80
#CPM
#homebrew
#retrocomputer