ARCHITECTURE ARCH OF ENTITY IS
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BEGIN
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PROC_1 : PROCESS (a, b, c, d) IS
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BEGIN
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IF (a = 1) THEN
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CASE b
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WHEN 1 =>
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c <= d;
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CASE b
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WHEN 1 =>
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c <= d;
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WHEN 2 =>
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d <= f;
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END CASE;
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WHEN 2 =>
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d <= f;
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END CASE;
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ELSIF (b = 1) THEN
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CASE b
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WHEN 1 =>
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c <= d;
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WHEN 2 =>
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d <= f;
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END CASE;
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ELSE
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CASE b
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WHEN 1 =>
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c <= d;
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WHEN 2 =>
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d <= f;
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END CASE;
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END IF;
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END PROCESS PROC_1;
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END ARCHITECTURE ARCH;
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