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ZLPORTIO Library, Direct port iO access

Include demo application with full source code:
sources  : zlportio.zip(~15 KB)
compiled demo project : portio.zip(~180 kb)

DRVINST Example 

Small project: explain how to install/start/stop/remove  driver under windows NT/2000/XP. Include full source code.
drvinst.zip(~180 KB)

RDTSC Library

High resolution time measuring functions. Include full source code
zlrdtsc.zip(~2 KB)