Nguyen Duc Toan wrote:
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I have tried your code, but it doesn't work.
Here is what I'm doing :
I use win8051_IDE to simulate
After CLR A
command MOVC A, @A+DPTR doesn't take anything (A=0)
Can you find out the problem.


What is the contents of your DPTR register before you execute MOVC command? Does DPTR point to a table entry?

regards
Patrick