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solutions_only/project 03/Bit.hdl

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+// This file is part of www.nand2tetris.org
+// and the book "The Elements of Computing Systems"
+// by Nisan and Schocken, MIT Press.
+// File name: projects/03/a/Bit.hdl
+
+/**
+ * 1-bit register:
+ * If load[t] == 1 then out[t+1] = in[t]
+ *                 else out does not change (out[t+1] = out[t])
+ */
+
+CHIP Bit {
+    IN in, load;
+    OUT out;
+
+    PARTS:
+    Mux(a=out2,b=in,sel=load,out=out1);
+    DFF(in=out1,out=out2,out=out);
+}