Dr. Dobb's Z80 Toolbook (David E. Cortesi) can be read online ... (derived from simplephpblog file blog\content\13\07\entry130703-200000.txt)

Just take a short break and visit http://www.tassos-oak.com/NB2/toolbook.html for a deeper look into the Z80 coding secrets with Doctor Dobb's Z80 Toolbook.
If this link doesn't work, try this one (archive.org).
Beware the loading time for this page (all things are listed on only one large page !), but enjoy these mostly elegant code snipplets for your Z80 CP/M system... even on emulators.




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