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Thank you for your helps.
Yes i use the variable final_result on the rest of my code.
I'm sorry i don't understand what do you mean exactly.
I need to calculate a sum of a table using always block.
Thank you
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let me put it this way. You are designing FIR filter based on an accumulator. This is done to save not just adders but multipliers.
What you need to do in fact is not what you are up to. use one multiplier then mux into it h0,x0 then h1,x1 ...etc and let result add up in an accumulator until you clear it. you will mux inputs and clear final sum based say on a running counter that counts number of taps.
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