* [[Media:Z80 CPU Technical Manual 1977.pdf]]
* [[Media:Mostek Z80 Programming Manual.pdf]]
* [[Media:Z80-Mostek-Technical-Manual.pdf]] [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]]
*[http://z80.info/interrup.htm Interrupt behaviour of the Z80 CPU]
*[https://github.com/hoglet67/Z80Decoder/wiki/Undocumented-Flags Behaviour of the undocumented flags]
*[http://www.z80.info/z80ins.txt Z80 instructions breakdown by M-cycle]
*[https://baltazarstudios.com/zilog-z80-undocumented-behavior/ Complete list of Z80 instructions and their bus responses and cycles dumped from real hardware]
*[https://floooh.github.io/2021/12/06/z80-instruction-timing.html Detailed look at Z80 instruction timings with the help of a Z80 netlist simulation]