Initial commit of new graphic.

Author: jessehamner

include/fulladder1_example001.tex

@@ -0,0 +1,88 @@
+\begin{circuitikz}
+\draw
+% Inputs and outputs:
+	(0,4.25) node[ocirc](ain) {} % A node
+	(0,4.30) node[left] {{\color{red}$A = 0$}} % A label
+	
+	(0,3.72) node[ocirc](bin) {} % B node
+	(0,3.72) node[left] {{\color{red}$B = 0$}} % B label
+
+	(0,1.72) node[ocirc](cin) {} % C-in node
+	(0,1.72) node[left] {{\color{red}$Carry_{in} = 1$}} % C-in label
+
+	(8.2,1.0) node[ocirc](cout) {} % C-out node
+	(8.2,1.0) node[right] {{\color{red}$Carry_{out} = 0$}} % C-out label
+
+	(8.2,3.72) node[ocirc, fill=red](sout) {} % S node
+	(8.2,3.72) node[right] {{\color{red}$Sum = 1$}} % S label
+;
+
+% Gates:
+\draw
+	(2.8,4.0) node[xor port](xorGate1) {} % xor gate 1
+	(3.0,4.9) node[left] {$XOR_1$} % XOR_1 label
+
+	(5.5,3.72) node[xor port, fill=yellow](xorGate2) {} % xor gate 2
+	(5.7,4.60) node[left] {$XOR_2$} % XOR_2 label 
+
+	(2.8, 0.0) node[and port](andGate1) {} % AND gate 1
+	(3.0,-1.0) node[left] {$AND_1$} % AND_1 label
+ 
+	(5.5,2) node[and port](andGate2) {} % AND gate 2
+	(5.7,1) node[left] {$AND_2$} % AND_2 label
+
+	(7.75,1.00) node[or port](orGate1) {} % or gate
+	(7.55,0.1) node[left] {$OR$} % OR label
+;
+
+% Tie A and B to XOR_1:
+\draw
+	(ain) to[short](xorGate1.in 1) 
+;
+
+\draw
+	(bin) to[short](xorGate1.in 2)  
+;
+
+% Tie XOR_1 output to XOR_2 input and to AND_2 input:
+\draw
+	(xorGate1.out) |- (xorGate2.in 1) 
+	(3.5,4.0) node[circ]{}
+	(3.5,4.0) |- (andGate2.in 1)
+;
+
+% Tie A and B to AND_1:	
+\draw
+	(0.5,4.25) node[circ] {}	
+	(0.5,4.25) |- (andGate1.in 2)
+;
+
+\draw (1.0,3.72) node[circ] {}
+	(1.0,3.72) |- (andGate1.in 1)
+;
+
+% Tie C-in to AND_2 and XOR_2:
+\draw[red, very thick]
+	(cin) -- (andGate2.in 2)
+	(3.0,1.72) node[circ, color=red]{}
+	(3.0,1.72) |- (3.0, 3.4)
+	(3.0,3.40) |- (xorGate2.in 2)
+;
+
+% Tie AND gate outputs to the OR gate:
+\draw (andGate2.out) |- (6,2)
+	(6,2)   |- (orGate1.in 1)
+;	
+
+\draw (andGate1.out) to[short](6,0)
+	(6,0)   |- (orGate1.in 2)
+;
+
+% Outputs:
+\draw[very thick, red] (xorGate2.out) -- (sout) % XOR_2 to Sum
+;
+
+\draw (orGate1.out) |- (cout) % OR to Carry-out
+;
+
+\end{circuitikz}