For the first time I finished the DMux chips. Not the best way to do it, but its a start.

projects/01/And16.hdl

@@ -14,4 +14,20 @@ CHIP And16 {
 
     PARTS:
     // Put your code here:
+	And(a=a[0], b=b[0], out=out[0]);
+	And(a=a[1], b=b[1], out=out[1]);
+	And(a=a[2], b=b[2], out=out[2]);
+	And(a=a[3], b=b[3], out=out[3]);
+	And(a=a[4], b=b[4], out=out[4]);
+	And(a=a[5], b=b[5], out=out[5]);
+	And(a=a[6], b=b[6], out=out[6]);
+	And(a=a[7], b=b[7], out=out[7]);
+	And(a=a[8], b=b[8], out=out[8]);
+	And(a=a[9], b=b[9], out=out[9]);
+	And(a=a[10], b=b[10], out=out[10]);
+	And(a=a[11], b=b[11], out=out[11]);
+	And(a=a[12], b=b[12], out=out[12]);
+	And(a=a[13], b=b[13], out=out[13]);
+	And(a=a[14], b=b[14], out=out[14]);
+	And(a=a[15], b=b[15], out=out[15]);
 }

projects/01/And16.out

@@ -0,0 +1,7 @@
+|        a         |        b         |       out        |
+| 0000000000000000 | 0000000000000000 | 0000000000000000 |
+| 0000000000000000 | 1111111111111111 | 0000000000000000 |
+| 1111111111111111 | 1111111111111111 | 1111111111111111 |
+| 1010101010101010 | 0101010101010101 | 0000000000000000 |
+| 0011110011000011 | 0000111111110000 | 0000110011000000 |
+| 0001001000110100 | 1001100001110110 | 0001000000110100 |

projects/01/DMux4Way.hdl

@@ -17,4 +17,20 @@ CHIP DMux4Way {
 
     PARTS:
     // Put your code here:
+	And(a=sel[0], b=sel[1], out=out1);
+	And(a=in, b=out1, out=d);
+	
+	//Invert sel, 00 => 11
+	Not(in=sel[0], out=out2);
+	Not(in=sel[1], out=out3);
+	And(a=out2, b=out3, out=out4);
+	And(a=out4, b=in, out=a);
+	
+	//Output B?
+	And(a=sel[0], b=out3, out=out5);
+	And(a=out5, b=in, out=b);
+	
+	//Output C?
+	And(a=sel[1], b=out2, out=out6);
+	And(a=out6, b=in, out=c);
 }

projects/01/DMux4Way.out

@@ -0,0 +1,9 @@
+| in  | sel  |  a  |  b  |  c  |  d  |
+|  0  |  00  |  0  |  0  |  0  |  0  |
+|  0  |  01  |  0  |  0  |  0  |  0  |
+|  0  |  10  |  0  |  0  |  0  |  0  |
+|  0  |  11  |  0  |  0  |  0  |  0  |
+|  1  |  00  |  1  |  0  |  0  |  0  |
+|  1  |  01  |  0  |  1  |  0  |  0  |
+|  1  |  10  |  0  |  0  |  1  |  0  |
+|  1  |  11  |  0  |  0  |  0  |  1  |

projects/01/DMux8Way.hdl

@@ -7,7 +7,11 @@
  * 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, in, 0, 0, 0, 0, 0} if sel == 010
+							  {0, 0, 0, in, 0, 0, 0, 0} if sel == 011
+							  {0, 0, 0, 0, in, 0, 0, 0} if sel == 100
+							  {0, 0, 0, 0, 0, in, 0, 0} if sel == 101
+							  {0, 0, 0, 0, 0, 0, in, 0} if sel == 110
  *                            {0, 0, 0, 0, 0, 0, 0, in} if sel == 111
  */
 
@@ -17,4 +21,19 @@ CHIP DMux8Way {
 
     PARTS:
     // Put your code here:
+	Not(in=sel[2], out=out1);
+	
+	DMux4Way(in=in, sel=sel[0..1], a=outA, b=outB, c=outC, d=outD);
+	
+	And(a=out1, b=outA, out=a);
+	And(a=out1, b=outB, out=b);
+	And(a=out1, b=outC, out=c);
+	And(a=out1, b=outD, out=d);
+	
+	DMux4Way(in=in, sel=sel[0..1], a=outE, b=outF, c=outG, d=outH);
+	
+	And(a=sel[2], b=outE, out=e);
+	And(a=sel[2], b=outF, out=f);
+	And(a=sel[2], b=outG, out=g);
+	And(a=sel[2], b=outH, out=h);
 }

projects/01/DMux8Way.out

@@ -0,0 +1,17 @@
+| in  |  sel  |  a  |  b  |  c  |  d  |  e  |  f  |  g  |  h  |
+|  0  |  000  |  0  |  0  |  0  |  0  |  0  |  0  |  0  |  0  |
+|  0  |  001  |  0  |  0  |  0  |  0  |  0  |  0  |  0  |  0  |
+|  0  |  010  |  0  |  0  |  0  |  0  |  0  |  0  |  0  |  0  |
+|  0  |  011  |  0  |  0  |  0  |  0  |  0  |  0  |  0  |  0  |
+|  0  |  100  |  0  |  0  |  0  |  0  |  0  |  0  |  0  |  0  |
+|  0  |  101  |  0  |  0  |  0  |  0  |  0  |  0  |  0  |  0  |
+|  0  |  110  |  0  |  0  |  0  |  0  |  0  |  0  |  0  |  0  |
+|  0  |  111  |  0  |  0  |  0  |  0  |  0  |  0  |  0  |  0  |
+|  1  |  000  |  1  |  0  |  0  |  0  |  0  |  0  |  0  |  0  |
+|  1  |  001  |  0  |  1  |  0  |  0  |  0  |  0  |  0  |  0  |
+|  1  |  010  |  0  |  0  |  1  |  0  |  0  |  0  |  0  |  0  |
+|  1  |  011  |  0  |  0  |  0  |  1  |  0  |  0  |  0  |  0  |
+|  1  |  100  |  0  |  0  |  0  |  0  |  1  |  0  |  0  |  0  |
+|  1  |  101  |  0  |  0  |  0  |  0  |  0  |  1  |  0  |  0  |
+|  1  |  110  |  0  |  0  |  0  |  0  |  0  |  0  |  1  |  0  |
+|  1  |  111  |  0  |  0  |  0  |  0  |  0  |  0  |  0  |  1  |