>I am facing problems writing "Serial Communication" routines under Windows.I am trying these routines since last few months and with my experience, I have come accross foll Conclusions/problems
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Narendra

The market seems to definitely be moving towards Windows & away from DOS. Going to DOS will find you in a shrinking market.

There are COMM utilities out the like SilverFox from SilverWare and others that will support the 16 bit environment. Plus eliminate a tedious learning curve. Look in the trade magazines for such products.

Tom