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Reed-Solomon encoder, Verilog

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Djony1987

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Hi,

In the attached file description of RS encoder (255, 223). Could you explain about this ratios?

Code: 
begin
		y[0] = x[0] ^ x[3] ^ x[5] ^ x[6];
		y[1] = x[0] ^ x[1] ^ x[3] ^ x[4] ^ x[5] ^ x[7];
		y[2] = x[1] ^ x[2] ^ x[3] ^ x[4];
		y[3] = x[0] ^ x[2] ^ x[3] ^ x[4] ^ x[5];
		y[4] = x[0] ^ x[1] ^ x[3] ^ x[4] ^ x[5] ^ x[6];
		y[5] = x[0] ^ x[1] ^ x[2] ^ x[4] ^ x[5] ^ x[6] ^ x[7];
		y[6] = x[1] ^ x[2] ^ x[3] ^ x[5] ^ x[6] ^ x[7];
		y[7] = x[2] ^ x[4] ^ x[5] ^ x[7];
	end
for example...and so on...for every register.

Thank!
 

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