I've added a script to help generate timing information of z80 opcodes based on a listing file you give it:
$ python timez80.py myfile.lst
This will show the cycle time in the far left column for each instruction. You can get it here:
https://code.google.com/p/gendev/source ... 253Dclosed
OR
svn checkout http://gendev.googlecode.com/svn/trunk/ ... ts/timez80
Timing the Z80
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