* [[Media:Um0080.pdf|Zilog Z80 User Manual (2016)]]
* [[Media:Z80 CPU Technical Manual 1977.pdf|Zilog Z80 Technical Manual]]
* [[Media:Mostek Z80 Programming Manual.pdf|Mostek Z80 Programming Manual]]* [[Media:Z80-Mostek-Technical-Manual.pdf|Mostek Z80 Technical Manual]] [http://www.z80.info/z80ins.txt Text version] - provides a detailed breakdown of the machine cycles
* [[Media:Mostek Z80 Micro-Reference Manual Feb78.pdf]]
* [[Media:Z80 CPU Instant Reference Card (Color).pdf]]