*[http://www.myquest.nl/z80undocumented/z80-documented-v0.91.pdf "The Undocumented Z80 Documented" by Sean Young Version 0.91, 18th September, 2005] at [http://www.myquest.nl/z80undocumented/ Jan Wilmans' Website]
*[http://www.rawwgrimware.org/indexlib/exe/fetch.php?name=News&file=article&sid=2226 /documentations/devices/z80/z80.memptr.eng.txt Short information about the internal "MEMPTR" 16bit register of the Z80 and its influence on the F-Register]
[[Category:Programming]]