Initial Commit with everything done

Project 1/DMux8Way.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/01/DMux8Way.hdl
+
+/**
+ * 8-way demultiplexor:
+ * {a, b, c, d, e, f, g, h} = {in, 0, 0, 0, 0, 0, 0, 0} if sel == 000
+ *                            {0, in, 0, 0, 0, 0, 0, 0} if sel == 001
+ *                            etc.
+ *                            {0, 0, 0, 0, 0, 0, 0, in} if sel == 111
+ */
+
+CHIP DMux8Way {
+    IN in, sel[3];
+    OUT a, b, c, d, e, f, g, h;
+
+    PARTS:
+    Not(in=sel[0],out=negSel1);
+    Not(in=sel[1],out=negSel2);
+    Not(in=sel[2],out=negSel3);
+
+    And(a=in,b=sel[0],out=out1);
+    And(a=in,b=negSel1,out=out2);
+    And(a=in,b=sel[1],out=out3);
+    And(a=in,b=negSel2,out=out4);
+    And(a=in,b=sel[2],out=out5);
+    And(a=in,b=negSel3,out=out6);
+
+    And(a=out1,b=out3,out=outX11);
+    And(a=out2,b=out3,out=outX10);
+    And(a=out1,b=out4,out=outX01);
+    And(a=out2,b=out4,out=outX00);
+
+    And(a=outX11,b=out5,out=h);
+    And(a=outX10,b=out5,out=g);
+    And(a=outX01,b=out5,out=f);
+    And(a=outX00,b=out5,out=e);
+    And(a=outX11,b=out6,out=d);
+    And(a=outX10,b=out6,out=c);
+    And(a=outX01,b=out6,out=b);
+    And(a=outX00,b=out6,out=a);
+
+
+
+}