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How to calculate time in 8051???

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nisarg001

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Hi!
I am making a game that counts the reflection time of the user using 8051 µC

I want to calculate the user's reflection time. It may vary from many miliseconds to few (upto 4) seconds.
Can anyone help me "How to calculate time upto 4sec in c51 keil??"

Thanks for your consideration.
 

Make timer interrupt of an 1ms.

Every entrance in interrupt, increment variable "count" by 1. When count = 4000, 4 seconds elapsed.


Mr.Cube
 

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    nisarg001

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