Adam Kt wrote:

> 1) How can I do math operation in 16F84. I am using CCS.

If you use C language, it will take care of all the details for you.
You may need to optimize/fine tune your code then, if speed is an issue.

> 2) Whats the best alternative for 16F84 now-a-days. I beleive that

16F628/648, IMO.

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