21 lines
395 B
Ruby
21 lines
395 B
Ruby
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require_relative "gate.rb"
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require_relative "port.rb"
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# Represents an XOR gate
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class XorGate < Gate
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# Called when inputs change.
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# Calculates XOR of all inputs and sets output port to that value.
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def inputs_changed(vals)
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xorval=nil
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vals.each do |val|
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if xorval==nil
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xorval=val
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else
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xorval=xorval^val
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end
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end
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out.setval(xorval)
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end
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end
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