Init nand2tetris

projects/01/xor.pgf

@@ -0,0 +1,36 @@
+\begin{circuitikz} \draw
+(0,0) node (nota) [not port] {}
+
+(nota.in) node (A1)   [anchor=east,xshift=-1cm]  {a}
+(A1) -- (nota.in)
+
+(0,-2.6) node (notb) [not port] {}
+(notb.in) node (B1)   [anchor=east,xshift=-1cm] {b}
+(B1) -- (notb.in)
+
+(2.5,-0.7) node (nand1) [nand port]  {}
+
+(nota.out) -| (nand1.in 1)
+
+(2.5,-2) node (nand2) [nand port]  {}
+
+(notb.out) -| (nand2.in 2)
+
+%node [circ, xshift=0.7cm](B1-dot1) at (B1) {}
+%(B1-dot1) |- (nand1.in 2)
+
+(B1) ++(0.7cm,0) node[circ] {} |- (nand1.in 2)
+(A1) ++(1cm,0) node[circ] {} |- (nand2.in 1)
+
+(4.5,-1.4) node (nand3) [nand port]  {}
+(nand3.out) node (C1)   [anchor=west,xshift= 1cm] {out}
+(nand3.out) -- (C1)
+
+(nand1.out) -| (nand3.in 1)
+(nand2.out) -| (nand3.in 2)
+
+(nand1.out)  node [xshift=15,yshift=7,font=\footnotesize]        {nandout1}
+(nand2.out)  node [xshift=15,yshift=-7,font=\footnotesize]        {nandout2}
+ %   (nand1.in 1) node (A1)   [anchor=east,xshift=-1cm]  {A}
+
+;\end{circuitikz}